Fitting device for christmas tree bases

Abstract

The invention belongs to the technical field of household appliances, and particularly relates to a fitting device for Christmas tree bases. The fitting device includes frames and connecting members, outer ends of the respective frames are approximately on the same cylindrical surface, the connecting member is arranged between outer ends of two adjacent frames, at least one connecting member is arc-shaped and its curvature is greater than that of a corresponding arc, and the connecting member is elastic in a radial direction, so that a tree base of a conventional real tree can also be used to fix an artificial tree or a small-size real tree.

What is claimed is: 
     
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         18 . A fitting device for Christmas tree base, which is used for fitting into a cavity of a real Christmas tree base to make an artificial Christmas tree be fixed with the real Christmas tree base; comprising:
 a side fitting member, an upper surface of which is formed as an upper surface of the fitting device,   a bottom fitting member connected to the side fitting member, a lower surface of the bottom fitting member is formed as a bottom wall of the fitting device, and   a tree base hole formed in the upper surface of the fitting device, the tree base hole which has a small-sized tree base is used for fitting the artificial Christmas tree;   the side fitting member including:   frames, arranged to extend outward in a radial direction from outer surface of the tree base hole to form a radial-shaped frame group; the length of each respective frame is approximately equal, so that outer ends of each respective frame is approximately on a cylindrical surface; and   connecting members, arranged between the outer ends of adjacent frames, the connecting members are elastic in the radial direction so as to be fitted on a side wall of the cavity of the real Christmas tree base through deformation of the connecting members in the radial direction; and the connecting members are formed as a side wall of the fitting device;   at least one of the connecting members is arc-shaped and curvature of the connecting members is greater than curvature of the cylindrical surface.   
     
     
         19 . The fitting device for Christmas tree base according to  claim 18 , wherein each of the connecting members is arranged between outer end of each respective frame and another frame adjacent on both of left and right sides thereof, and the respective connecting members have same or different curvature; and
 a side acting member is formed by each of the connecting members and respective frame adjacent to it, and all of the side acting member is arranged continuously.   
     
     
         20 . The fitting device for Christmas tree base according to  claim 18 , wherein each of the connecting members is arranged between outer end of each respective frame and another frame adjacent on either of left or right side thereof, and the respective connecting members have same or different curvature; and
 a side acting member is formed by each of the connecting members and respective frame adjacent thereto, a notch is formed between the adjacent frames without respective connecting member, and the side acting member and the notch is arranged spacedly.   
     
     
         21 . The fitting device for Christmas tree base according to  claim 18 , wherein the bottom fitting member including:
 a bottom fitting body, which is cylindrical, and   a supporting piece arranged on an outer wall of the bottom fitting body, the supporting piece extends radially outward along an outer surface of the bottom fitting body; and   a bottom wall of the fitting device is formed by a bottom surface of the supporting piece or a bottom surface of the bottom fitting body.   
     
     
         22 . The fitting device for Christmas tree base according to  claim 21 , wherein outer diameter of the bottom fitting member is smaller than outer diameter of the side fitting member, a side surface of the bottom fitting member do not contacting with the cavity of the real Christmas tree base. 
     
     
         23 . The fitting device for Christmas tree base according to  claim 21 , wherein a hollow central cavity which is internally is formed in the bottom fitting body, and the side fitting member is formed as a flat cylindrical shape and arranged concentrically with the bottom fitting member; and the tree base hole is formed by extending the bottom fitting body upward; and
 the tree base hole including an upper hole, a transition hole and a bottom hole in a circular cross-sectional shape, inner diameter of the upper hole is greater than inner diameter of the bottom hole, and an inner wall of the transition hole is conical to smoothly connect an inner wall of the upper hole and an inner wall of the bottom hole;   and the bottom hole is communicated with the central cavity.   
     
     
         24 . The fitting device for Christmas tree base according to  claim 18 , wherein the connecting members are sheet-like; and diameter of the cylindrical surface is slightly smaller than inner diameter of the cavity of the real Christmas tree base. 
     
     
         25 . The fitting device for Christmas tree base according to  claim 20 , wherein quantity of the side acting members is at least three, and quantity of the side acting member and the notch is same or different. 
     
     
         26 . A fitting device for Christmas tree base, which is used for fitting into a cavity of a real Christmas tree base to make an artificial Christmas tree be fixed with the real Christmas tree base; comprising:
 a side fitting member, an upper surface of which is formed as an upper surface of the fitting device,   a bottom fitting member connected to the side fitting member, a lower surface of the bottom fitting member is formed as a bottom wall of the fitting device, and   a tree base hole formed in the upper surface of the fitting device, the tree base hole which has a small-sized tree base is used for fitting the artificial Christmas tree;   the side fitting member including:   frames, arranged in a crisscross pattern to form a mesh structure, and lengths of the frames are set according to position of respective frames so that outer end of respective frames are substantially on a cylindrical surface; and   connecting members, arranged between outer end of respective frames adjacently to connect outer end of the frame; at least one connecting member is arc-shaped and its curvature is greater than curvature of the cylindrical surface, and respective connecting member have same or different curvature; and the connecting members are elastic in a radial direction so as to be fitted on a side wall of the cavity of the real Christmas tree base through deformation of the connecting member in the radial direction; and   a side acting member is formed by the connecting member and respective frame adjacently thereto, and all of the side acting member is arranged continuously; or   a side acting member is formed by each of the connecting member and respective frame adjacently thereto, a notch is formed between respective frame adjacently without the connecting member, the side acting member and the notche is arranged spacedly.   
     
     
         27 . A fitting device for Christmas tree base, which is used to be fitting into a cavity of a real Christmas tree base to make an artificial Christmas tree can be fixed with the real Christmas tree base; comprising:
 a side fitting member, an upper surface of which is formed as an upper surface of the fitting device,   a bottom fitting member connected to the side fitting member, a lower surface of the bottom fitting member is formed as a bottom wall of the fitting device, and   a tree base hole formed in the upper surface of the fitting device, the tree base hole which has a small-sized tree base is used for fitting an artificial Christmas tree;   the side fitting member including:   frames, including inner frames and outer frames, the inner frames are arranged in a crisscross pattern to form a mesh structure, a connecting frame is connected to an outer end of at least one respective inner frame, and the outer frames are arranged to extend outward in a radial direction from an outer surface of the connecting frame to form a frame group with a radial shape; and length of respective outer frames is approximately equal, so that outer end of respective outer frames are substantially on a cylindrical surface;   the connecting member is arc-shaped and arranged between outer ends of two adjacent respective outer frames to connect the outer ends of the two respective outer frames; and respective connecting members have same or different curvature; and   the connecting member is elastic in a radial direction so as to be fitted on a side wall of the cavity of the real Christmas tree base through a deformation of the connecting member in the radial direction; and   a side acting member is formed by each of the connecting members and respective frame adjacently thereto, and all of the respective side acting member is arranged continuously; or   a side acting member is formed by each of the connecting members and respective frame adjacently thereto, a notch is formed between the frame adjacently without respective connecting member, the side acting member and the notche is arranged spacedly.   
     
     
         28 . The fitting device for Christmas tree base according to  claim 27 , wherein quantity of the side acting members is at least three. 
     
     
         29 . A fitting device for Christmas tree base, which is used for fitting into a cavity of a real Christmas tree base to make an artificial Christmas tree can be fixed with the real Christmas tree base; comprising:
 a bottom wall of the fitting device for matching a bottom surface of the cavity of the real Christmas tree base,   a side wall of the fitting device for matching a side surface of the cavity of the real Christmas tree base;   frames, outer end of which is substantially on a cylindrical surface, and   each of the connecting members arranged between outer end of respective adjacent frames; at least one connecting member is arc-shaped and its curvature is greater than curvature of the cylindrical surface;   the connecting members are elastic in a radial direction, all of the connecting members are formed as the side wall of the fitting device.   
     
     
         30 . The fitting device for Christmas tree base according to  claim 29 , wherein the fitting device further including a side fitting member, the frames and the connecting members are arranged on the side fitting member, the respective frame is arranged to extend outward in the radial direction, and length of the respective frame is approximately equal. 
     
     
         31 . The fitting device for Christmas tree base according to  claim 29 , wherein the fitting device further including a side fitting member, the frames and the connecting members are arranged on the side fitting member, the respective frame is arranged in a crisscross pattern to form an intersecting mesh structure, and length of the frames is set according to position of the respective frame so that the outer ends of the respective frames are substantially on a cylindrical surface. 
     
     
         32 . The fitting device for Christmas tree base according to  claim 29 , wherein the fitting device further including a side fitting member, and the frames and the connecting members are arranged on the side fitting member; the frames including inner frame and outer frame, the inner frame is arranged in a crisscross pattern to form a mesh structure, a connecting frame is connected to an outer end of at least one respective inner frame, and the outer frame is arranged to extend outward in the radial direction from an outer surface of respective connecting frame to form a frame group with a radial shape; and length of the respective outer frame is approximately equal, so that outer end of the respective outer frame is substantially on a cylindrical surface. 
     
     
         33 . The fitting device for Christmas tree base according to  claim 29 , wherein the fitting device further including a bottom fitting member, an upper surface of the fitting device is formed by a surface of the side fitting member and the other surface of the side fitting member is connected to or integrally formed with one surface of the bottom fitting member, and the bottom wall of the fitting device is formed by the other surface of the bottom fitting member. 
     
     
         34 . The fitting device for Christmas tree base according to  claim 30  wherein a side acting member is formed by respective connecting member and respective frame adjacent thereto, and all of the side acting member is continuously arranged; or, a side acting member is formed by each of the connecting member and respective frame adjacent thereto, a notch is formed between respective frames adjacent without respective connecting member, the side acting member and the notch is arranged spacedly.