Push-pull connection mechanism for floor cleaning machine, and floor cleaning machine

Abstract

A push-pull connection mechanism for a floor cleaning machine, and a floor cleaning machine. The push-pull connection mechanism comprises: a rotating member rotatably mounted on a machine head; and a first connecting member rotatably mounted on the rotating member by means of a rotating shaft, a rotation axis of the first connecting member being parallel to a rotation axis of the rotating member. A machine body rotatably matches the first connecting member, and a rotation axis of the machine body is perpendicular to the rotation axis of the first connecting member. The rotation axis of the first connecting member of the push-pull connection mechanism is parallel to the rotation axis of the rotating member, i.e., eccentric arrangement is performed, so that an operator can control the machine head to move in different directions by applying forward, backward, leftward, and rightward force to the machine body.

1 . A push-pull connection mechanism for a floor cleaning machine, wherein the floor cleaning machine comprises a machine head and a machine body, and the push-pull connection mechanism comprises:
 a rotating member rotatably mounted on the machine head;   a first connecting member rotatably mounted on the rotating member by means of a rotating shaft, a rotation axis of the first connecting member being parallel to a rotation axis of the rotating member, the machine body rotatably matching the first connecting member, and a rotation axis of the machine body being perpendicular to the rotation axis of the first connecting member.   
     
     
         2 . The push-pull connection mechanism for a floor cleaning machine according to  claim 1 , further comprising:
 a positioning shaft mounted on the machine head, wherein the rotating member is directly coated on the positioning shaft or is coated on the positioning shaft through a circumferentially rollable element, and an axis of the positioning shaft is coincidental to the rotation axis of the rotating member; and   a protective member positioned outside the positioning shaft, wherein at least part of the structure of the rotating member is positioned between the protective member and the positioning shaft.   
     
     
         3 . The push-pull connection mechanism for a floor cleaning machine according to  claim 2 , wherein the protective member is provided with a cylindrical inner side wall, the cylindrical inner side wall is provided with an arc-shaped groove, and the rotating member is provided with a bump extending into the arc-shaped groove, and the bump moves in the arc-shaped groove when the rotating member rotates relative to the machine head. 
     
     
         4 . A floor cleaning machine, comprising a machine head, a machine body, and a push-pull connection mechanism connecting the machine head and the machine body, wherein the push-pull connection mechanism is the push-pull connection mechanism according to  claim 1 . 
     
     
         5 . The floor cleaning machine according to  claim 4 , further comprising a limiting structure, wherein the limiting structure comprises:
 a positioning groove arranged on the first connecting member;   a limiting member movably arranged on the machine body, and the limiting member being provided with a limiting part for being clamped into the positioning groove;   a linkage member being connected with the limiting member and used for driving the limiting member to move.   
     
     
         6 . The floor cleaning machine according to  claim 5 , wherein the machine body comprises a second connecting member, the limiting member is movably arranged on the second connecting member, the second connecting member is rotatably mounted on the first connecting member, and a plurality of positioning grooves are provided, and the plurality of positioning grooves are distributed at intervals around a rotation axis of the second connecting member. 
     
     
         7 . The floor cleaning machine according to  claim 6 , wherein the rotation axis of the second connecting member is arranged horizontally; the machine body is provided with a plurality of working positions, and when at different working positions, the angles between the machine body and the floor are different, and the limiting parts of the limiting members are clamped into different positioning grooves. 
     
     
         8 . The floor cleaning machine according to  claim 7 , wherein the positioning groove is provided with two limiting side walls, and the limiting side walls match the limiting part to define the position of the limiting part;
 at least one positioning groove is a movable groove, and when the limiting part is clamped into the movable groove, the limiting part and at least one limiting side wall of the movable groove have a movable space, and the machine body can drive the limiting part to rotate in the movable groove.   
     
     
         9 . The floor cleaning machine according to  claim 6 , wherein the limiting member is slidably arranged on the second connecting member, and the limiting structure further comprises an elastic member arranged on the second connecting member or the machine body for driving the limiting member to slide toward one side of the first connecting member;
 the machine body is rotatably provided with an unlocking member, one end of the linkage member is connected with the unlocking member, and the rotation of the unlocking member enables the linkage member to drive the limiting member to slide to the side away from the positioning groove.   
     
     
         10 . The floor cleaning machine according to  claim 6 , wherein the second connecting member is provided with a channel for the limiting member and the linkage member to pass through, a lower end of the second connecting member is provided with two oppositely arranged connecting parts, the two connecting parts are respectively located on both sides of the first connecting member, the two connecting parts rotatably match the first connecting member through a connecting shaft, the two connecting parts form an mounting groove, a bottom wall of the mounting groove is provided with a through hole communicated with the channel, and the limiting part penetrates the through hole;
 the first connecting member is provided with at least one limiting block, and the limiting block is used for cooperating with the second connecting member to define a rotation angle of the second connecting member relative to the first connecting member.