Associated quick-release buckle device and bulletproof quick-release vest

Abstract

An associated quick-release buckle device and a bulletproof quick-release vest are provided, where the associated quick-release buckle device includes a first connection buckle, a second connection buckle, a quick-release buckle, a first drawstring and a second drawstring, and the quick-release buckle is provided with an unlocking operation member that can be operated for unlocking; the first drawstring is connected between the first connection buckle and the quick-release buckle; the second drawstring is connected between the second connection buckle and the quick-release buckle; and when the unlocking operation member is operated, the first connection buckle and the second connection buckle can be associated for unlocking in sequence, so that connection buckles at multiple different positions are unlocked through one motion. A user can operate the associated quick-release buckle device in the present invention with only one hand to complete unlocking of the multiple connection buckles.

What is claimed is: 
     
         1 . An associated quick-release buckle device, comprising:
 a first connection buckle ( 10 ), comprising a first male buckle ( 101 ) and a first female buckle ( 102 ) that can be locked and separated from each other;   a second connection buckle ( 20 ), comprising a second male buckle ( 201 ) and a second female buckle ( 202 ) that can be locked and separated from each other;   a quick-release buckle ( 30 ), provided with an unlocking operation member ( 31 ) that can be operated for unlocking;   a first drawstring ( 40 ), connected between the first connection buckle ( 10 ) and the quick-release buckle ( 30 ); and   a second drawstring ( 50 ), connected between the second connection buckle ( 20 ) and the quick-release buckle ( 30 ), wherein   when the unlocking operation member ( 31 ) is operated, the first connection buckle ( 10 ) and the second connection buckle ( 20 ) can be associated for unlocking in sequence, so that the first male buckle ( 101 ) and the first female buckle ( 102 ) are separated from each other and then the second male buckle ( 201 ) and the second female buckle ( 202 ) are separated from each other;   unlocking operation members ( 31 ) comprise a first unlocking operation member ( 311 ) and a second unlocking operation member ( 312 ) that can be pressed in opposite directions, the first unlocking operation member ( 311 ) is connected with the first drawstring ( 40 ), and the second unlocking operation member ( 312 ) is connected with the second drawstring ( 50 );   a first elastic member ( 33 ) is provided between the first unlocking operation member ( 311 ) and the quick-release buckle ( 30 ), a second elastic member ( 34 ) is provided between the second unlocking operation member ( 312 ) and the quick-release buckle ( 30 ), and a damping coefficient of the first elastic member ( 33 ) is less than a damping coefficient of the second elastic member ( 34 ); and   when the first unlocking operation member ( 311 ) and the second unlocking operation member ( 312 ) are pressed in opposite directions, the first connection buckle ( 10 ) and the second connection buckle ( 20 ) are unlocked in sequence.   
     
     
         2 . The associated quick-release buckle device according to  claim 1 , wherein
 the quick-release buckle ( 30 ) comprises a shell ( 35 ) and a base ( 36 ) that are docked, and a partition portion ( 361 ) is provided in the shell ( 35 ) and/or the base ( 36 );   the first unlocking operation member ( 311 ) and the second unlocking operation member ( 312 ) are distributed on two sides of the partition portion ( 361 ) and are spaced apart from the partition portion ( 361 );   the first elastic member ( 33 ) is connected between the first unlocking operation member ( 311 ) and the partition portion ( 361 ); and   the second elastic member ( 34 ) is connected between the second unlocking operation member ( 312 ) and the partition portion ( 361 ).   
     
     
         3 . The associated quick-release buckle device according to  claim 1 , wherein
 the first unlocking operation member ( 311 ) and the second unlocking operation member ( 312 ) each comprise one pressing portion ( 313 ) and two connection portions ( 314 ), and the connection portions ( 314 ) are distributed on two sides of the pressing portion ( 313 );   a connection portion ( 314 ) of the first unlocking operation member ( 311 ) is connected with the first connection buckle ( 10 ) through the first drawstring ( 40 ) respectively; and   a connection portion ( 314 ) of the second unlocking operation member ( 312 ) is connected with the second connection buckle ( 20 ) through the second drawstring ( 50 ) respectively.   
     
     
         4 . The associated quick-release buckle device according to  claim 3 , wherein
 the pressing portion ( 313 ) is respectively provided with a first pressing zone ( 3131 ), a second pressing zone ( 3132 ) and a third pressing zone ( 3133 ), and the first pressing zone ( 3131 ) and the third pressing zone ( 3133 ) are located on two sides of the second pressing zone ( 3132 );   when first pressing zones ( 3131 ) of the first unlocking operation member ( 311 ) and the second unlocking operation member ( 312 ) are pressed in opposite directions, one first connection buckle ( 10 ) can be associated for unlocking and then one second connection buckle ( 20 ) is associated for unlocking;   when third pressing zones ( 3133 ) of the first unlocking operation member ( 311 ) and the second unlocking operation member ( 312 ) are pressed in opposite directions, another first connection buckle ( 10 ) can be associated for unlocking and then another second connection buckle ( 20 ) is associated for unlocking; and   when second pressing zones ( 3132 ) of the first unlocking operation member ( 311 ) and the second unlocking operation member ( 312 ) are pressed in opposite directions, all first connection buckles ( 10 ) can be associated for unlocking and then all second connection buckles ( 20 ) are associated for unlocking.   
     
     
         5 . The associated quick-release buckle device according to  claim 1 , wherein
 the first male buckle ( 101 ) and the second male buckle ( 201 ) each are provided with a lock tongue ( 81 ); and   the first female buckle ( 102 ) and the second female buckle ( 202 ) each are provided with a lock hole ( 921 ) for inserting the lock tongue ( 81 ) and a movably disposed locking part ( 93 ), the locking part ( 93 ) can be fitted with the lock tongue ( 81 ) penetrating through the lock hole ( 921 ), to engage the first male buckle ( 101 ) with the first female buckle ( 102 ) and engage the second male buckle ( 201 ) with the second female buckle ( 202 ), and the locking part ( 93 ) can be detached from the lock tongue ( 81 ) under a pulling force of the first drawstring ( 40 ) or the second drawstring ( 50 ) to enable the first male buckle ( 101 ) to be separated from the first female buckle ( 102 ) and enable the second male buckle ( 201 ) to be separated from the second female buckle ( 202 ).   
     
     
         6 . The associated quick-release buckle device according to  claim 5 , wherein
 the locking part ( 93 ) comprises a locking portion ( 931 ), an actuation portion ( 932 ) and a shoveling portion ( 933 ) that are integrally formed or fixedly connected, the locking portion ( 931 ) and the shoveling portion ( 933 ) are spaced apart and disposed opposite each other, the locking portion ( 931 ) can be engaged with the lock tongue ( 81 ), and the shoveling portion ( 933 ) can drive the lock tongue ( 81 ) to detach from the lock hole ( 921 );   the actuation portion ( 932 ) is connected with the first drawstring ( 40 ) or the second drawstring ( 50 ); and   when the unlocking operation member ( 31 ) is operated, the first drawstring ( 40 ) and the second drawstring ( 50 ) pull the actuation portion ( 932 ) to enable the locking portion ( 931 ) to detach from the lock tongue ( 81 ), and pull the shoveling portion ( 933 ) to drive the lock tongue ( 81 ) to detach from the lock hole ( 921 ).   
     
     
         7 . The associated quick-release buckle device according to  claim 5 , wherein the locking part ( 93 ) comprises a locking portion ( 931 ), an actuation portion ( 932 ) and a shoveling portion ( 933 ) that can move relative to each other, the shoveling portion ( 933 ) is movably provided on the actuation portion ( 932 ), a third elastic member ( 934 ) is provided between the shoveling portion ( 933 ) and the actuation portion ( 932 ), and the locking portion ( 931 ) and the shoveling portion ( 933 ) are spaced apart and disposed opposite each other;
 the actuation portion ( 932 ) is connected with the first drawstring ( 40 ) or the second drawstring ( 50 ); and   when the unlocking operation member ( 31 ) is operated, the first drawstring ( 40 ) and the second drawstring ( 50 ) pull the actuation portion ( 932 ) to enable the shoveling portion ( 933 ) to move to a joint portion of the lock tongue ( 81 ) and the first female buckle ( 102 ) or the second female buckle ( 202 ) to tend to drive the lock tongue ( 81 ) to detach from the lock hole ( 921 ); and when the actuation portion ( 932 ) moves to a position at which the locking portion ( 931 ) can be actuated, the locking portion ( 931 ) is detached from the lock tongue ( 81 ), and the shoveling portion ( 933 ) drives the lock tongue ( 81 ) to detach from the lock hole ( 921 ).   
     
     
         8 . The associated quick-release buckle device according to  claim 7 , wherein
 a second magnetic member ( 82 ) is provided in the lock tongue ( 81 ), first magnetic members ( 94 ) are provided at positions, corresponding to the lock hole ( 921 ), in the first female buckle ( 102 ) and the second female buckle ( 202 ), and a third magnetic member ( 95 ) is provided on the locking portion ( 931 );   the second magnetic member ( 82 ) can attract the first magnetic member ( 94 ), so that the lock tongue ( 81 ) is aligned with and inserted into the lock hole ( 921 );   the second magnetic member ( 82 ) can attract or repel the third magnetic member ( 95 ) and actuate the locking portion ( 931 ) when the lock tongue ( 81 ) is inserted into the lock hole ( 921 ), so that the locking portion ( 931 ) is engaged with the lock tongue ( 81 ); and   the first magnetic member ( 94 ) can repel or attract the third magnetic member ( 95 ), so that the locking portion ( 931 ) remains outside the lock hole ( 921 ) after the lock tongue ( 81 ) exits from the lock hole ( 921 ).   
     
     
         9 . An associated quick-release buckle device, comprising:
 a first connection buckle ( 10 ), comprising a first male buckle ( 101 ) and a first female buckle ( 102 ) that can be locked and separated from each other;   a second connection buckle ( 20 ), comprising a second male buckle ( 201 ) and a second female buckle ( 202 ) that can be locked and separated from each other;   a quick-release buckle ( 30 ), provided with an unlocking operation member ( 31 ) that can be operated for unlocking;   a first drawstring ( 40 ), connected between the first connection buckle ( 10 ) and the quick-release buckle ( 30 ); and   a second drawstring ( 50 ), connected between the second connection buckle ( 20 ) and the quick-release buckle ( 30 ), wherein   when the unlocking operation member ( 31 ) is operated, the first connection buckle ( 10 ) and the second connection buckle ( 20 ) can be associated for unlocking in sequence, so that the first male buckle ( 101 ) and the first female buckle ( 102 ) are separated from each other and then the second male buckle ( 201 ) and the second female buckle ( 202 ) are separated from each other;   the unlocking operation member ( 31 ) can rotate around a fixed rotation center, a first guide surface ( 315 ) and a second guide surface ( 316 ) are provided on the unlocking operation member ( 31 ), and guiding distances of the first guide surface ( 315 ) and the second guide surface ( 316 ) are different;   the first drawstring ( 40 ) has one end connected with the unlocking operation member ( 31 ), and has another end protruding from the quick-release buckle ( 30 ) along the first guide surface ( 315 ) to be connected with the first connection buckle ( 10 );   the second drawstring ( 50 ) has one end connected with the unlocking operation member ( 31 ), and has another end protruding from the quick-release buckle along the second guide surface ( 316 ) to be connected with the second connection buckle ( 20 ); and   when the unlocking operation member ( 31 ) is operated to rotate around the rotation center, movement distances of the first drawstring ( 40 ) and the second drawstring ( 50 ) are different under guide of the first guide surface ( 315 ) and the second guide surface ( 316 ), and the first connection buckle ( 10 ) and the second connection buckle ( 20 ) can be associated for unlocking in sequence.   
     
     
         10 . The associated quick-release buckle device according to  claim 9 , wherein
 curvature of the first guide surface ( 315 ) is greater than that of the second guide surface ( 316 ).   
     
     
         11 . The associated quick-release buckle device according to  claim 9 , wherein the quick-release buckle ( 30 ) comprises a shell ( 35 ) and a buckle base ( 37 ) that are docked, the shell ( 35 ) is provided with a hollow hole ( 351 ) for movement of the unlocking operation member ( 31 ), a connection tab ( 371 ) facing toward the hollow hole ( 351 ) is provided in the buckle base ( 37 ), a rotation shaft ( 38 ) is inserted into the connection tab ( 371 ), and the unlocking operation member ( 31 ) is rotatably connected with the rotation shaft ( 38 ) and can rotate around the rotation shaft ( 38 ). 
     
     
         12 . The associated quick-release buckle device according to  claim 11 , wherein a returning torsion spring ( 39 ) for driving returning of the unlocking operation member ( 31 ) is provided between the unlocking operation member ( 31 ) and the rotation shaft ( 38 ), the returning torsion spring ( 39 ) is sleeved on the rotation shaft ( 38 ), and a torsion arm ( 391 ) of the returning torsion spring ( 39 ) is connected with the unlocking operation member ( 31 ), the housing and/or the buckle base ( 37 ). 
     
     
         13 . The associated quick-release buckle device according to  claim 9 , wherein
 the first male buckle ( 101 ) and the second male buckle ( 201 ) each are provided with a lock tongue ( 81 ); and   the first female buckle ( 102 ) and the second female buckle ( 202 ) each are provided with a lock hole ( 921 ) for inserting the lock tongue ( 81 ) and a movably disposed locking part ( 93 ), the locking part ( 93 ) can be fitted with the lock tongue ( 81 ) penetrating through the lock hole ( 921 ), to engage the first male buckle ( 101 ) with the first female buckle ( 102 ) and engage the second male buckle ( 201 ) with the second female buckle ( 202 ), and the locking part ( 93 ) can be detached from the lock tongue ( 81 ) under a pulling force of the first drawstring ( 40 ) or the second drawstring ( 50 ) to enable the first male buckle ( 101 ) to be separated from the first female buckle ( 102 ) and enable the second male buckle ( 201 ) to be separated from the second female buckle ( 202 ).   
     
     
         14 . The associated quick-release buckle device according to  claim 13 , wherein
 the locking part ( 93 ) comprises a locking portion ( 931 ), an actuation portion ( 932 ) and a shoveling portion ( 933 ) that are integrally formed or fixedly connected, the locking portion ( 931 ) and the shoveling portion ( 933 ) are spaced apart and disposed opposite each other, the locking portion ( 931 ) can be engaged with the lock tongue ( 81 ), and the shoveling portion ( 933 ) can drive the lock tongue ( 81 ) to detach from the lock hole ( 921 );   the actuation portion ( 932 ) is connected with the first drawstring ( 40 ) or the second drawstring ( 50 ); and   when the unlocking operation member ( 31 ) is operated, the first drawstring ( 40 ) and the second drawstring ( 50 ) pull the actuation portion ( 932 ) to enable the locking portion ( 931 ) to detach from the lock tongue ( 81 ), and pull the shoveling portion ( 933 ) to drive the lock tongue ( 81 ) to detach from the lock hole ( 921 ).   
     
     
         15 . The associated quick-release buckle device according to  claim 13 , wherein the locking part ( 93 ) comprises a locking portion ( 931 ), an actuation portion ( 932 ) and a shoveling portion ( 933 ) that can move relative to each other, the shoveling portion ( 933 ) is movably provided on the actuation portion ( 932 ), a third elastic member ( 934 ) is provided between the shoveling portion ( 933 ) and the actuation portion ( 932 ), and the locking portion ( 931 ) and the shoveling portion ( 933 ) are spaced apart and disposed opposite each other;
 the actuation portion ( 932 ) is connected with the first drawstring ( 40 ) or the second drawstring ( 50 ); and   when the unlocking operation member ( 31 ) is operated, the first drawstring ( 40 ) and the second drawstring ( 50 ) pull the actuation portion ( 932 ) to enable the shoveling portion ( 933 ) to move to a joint portion of the lock tongue ( 81 ) and the first female buckle ( 102 ) or the second female buckle ( 202 ) to tend to drive the lock tongue ( 81 ) to detach from the lock hole ( 921 ); and when the actuation portion ( 932 ) moves to a position at which the locking portion ( 931 ) can be actuated, the locking portion ( 931 ) is detached from the lock tongue ( 81 ), and the shoveling portion ( 933 ) drives the lock tongue ( 81 ) to detach from the lock hole ( 921 ).   
     
     
         16 . The associated quick-release buckle device according to  claim 15 , wherein
 a second magnetic member ( 82 ) is provided in the lock tongue ( 81 ), first magnetic members ( 94 ) are provided at positions, corresponding to the lock hole ( 921 ), in the first female buckle ( 102 ) and the second female buckle ( 202 ), and a third magnetic member ( 95 ) is provided on the locking portion ( 931 );   the second magnetic member ( 82 ) can attract the first magnetic member ( 94 ), so that the lock tongue ( 81 ) is aligned with and inserted into the lock hole ( 921 );   the second magnetic member ( 82 ) can attract or repel the third magnetic member ( 95 ) and actuate the locking portion ( 931 ) when the lock tongue ( 81 ) is inserted into the lock hole ( 921 ), so that the locking portion ( 931 ) is engaged with the lock tongue ( 81 ); and   the first magnetic member ( 94 ) can repel or attract the third magnetic member ( 95 ), so that the locking portion ( 931 ) remains outside the lock hole ( 921 ) after the lock tongue ( 81 ) exits from the lock hole ( 921 ).   
     
     
         17 . A bulletproof quick-release vest, comprising a front vest plate ( 61 ) and a back vest plate ( 62 ), and further comprising the associated quick-release buckle device according to  claim 1 , wherein
 shoulder portions on one side or two sides of the front vest plate ( 61 ) and the back vest plate ( 62 ) are detachably connected through the second connection buckle ( 20 );   waist portions on one side or two sides of the front vest plate ( 61 ) and the back vest plate ( 62 ) are detachably connected through the first connection buckle ( 10 );   the quick-release buckle ( 30 ) is provided on the front vest plate ( 61 );   the first drawstring ( 40 ) and the second drawstring ( 50 ) are provided on the front vest plate ( 61 ); and   when the quick-release buckle ( 30 ) is operated, the first drawstring ( 40 ) and the second drawstring ( 50 ) can associate the first connection buckle ( 10 ) with the second connection buckle ( 20 ) for locking in sequence, so that waist portions of the front vest plate ( 61 ) and the back vest plate ( 62 ) are first unlocked and then shoulder portions of the front vest plate ( 61 ) and the back vest plate ( 62 ) are unlocked.   
     
     
         18 . The bulletproof quick-release vest according to  claim 17 , wherein the first connection buckle ( 10 ) and/or the second connection buckle ( 20 ) are or is provided with a manual unlocking operation portion ( 96 ), and when the manual unlocking operation portion ( 96 ) is operated, the current first connection buckle ( 10 ) and/or the second connection buckle ( 20 ) are or is unlocked, so that the waist portions and/or the shoulder portions of the front vest plate ( 61 ) and the back vest plate ( 62 ) are unlocked. 
     
     
         19 . A bulletproof quick-release vest, comprising a front vest plate ( 61 ) and a back vest plate ( 62 ), and further comprising the associated quick-release buckle device according to  claim 9 , wherein
 shoulder portions on one side or two sides of the front vest plate ( 61 ) and the back vest plate ( 62 ) are detachably connected through the second connection buckle ( 20 );   waist portions on one side or two sides of the front vest plate ( 61 ) and the back vest plate ( 62 ) are detachably connected through the first connection buckle ( 10 );   the quick-release buckle ( 30 ) is provided on the front vest plate ( 61 );   the first drawstring ( 40 ) and the second drawstring ( 50 ) are provided on the front vest plate ( 61 ); and   when the quick-release buckle ( 30 ) is operated, the first drawstring ( 40 ) and the second drawstring ( 50 ) can associate the first connection buckle ( 10 ) with the second connection buckle ( 20 ) for locking in sequence, so that waist portions of the front vest plate ( 61 ) and the back vest plate ( 62 ) are first unlocked and then shoulder portions of the front vest plate ( 61 ) and the back vest plate ( 62 ) are unlocked.   
     
     
         20 . The bulletproof quick-release vest according to  claim 19 , wherein the first connection buckle ( 10 ) and/or the second connection buckle ( 20 ) are or is provided with a manual unlocking operation portion ( 96 ), and when the manual unlocking operation portion ( 96 ) is operated, the current first connection buckle ( 10 ) and/or the second connection buckle ( 20 ) are or is unlocked, so that the waist portions and/or the shoulder portions of the front vest plate ( 61 ) and the back vest plate ( 62 ) are unlocked.