CN221091096U - Folding device for bicycle frame - Google Patents

Abstract

The utility model relates to the technical field of bicycle parts and discloses a folder for folding a bicycle frame, which comprises a movable seat, wherein a fixed seat is arranged on the right side of the movable seat, a bicycle main beam is fixedly connected to the left side of the movable seat and the right side of the fixed seat, a folding mechanism is fixedly connected to the rear side of the fixed seat, and a limiting assembly is fixedly connected to the front side of the folding mechanism. This folding folder of bicycle frame through setting up folding mechanism, in the use, only need to push down two to the centre when needs fold the frame of bicycle and draw the piece, makes the fixture block leave the draw-in groove that corresponds, can fold the frame this moment, convenient operation is swift to press and draw the piece and need not to spend a large amount of strength, thereby make folding folder adaptability of this bicycle frame better, when expanding, the fixture block can get into the draw-in groove voluntarily under the effect on inclined plane in, carries out spacingly to U-shaped piece and installation piece, makes the bicycle more convenient when expanding.

Description

Folding device for bicycle frame

Technical Field

The utility model relates to the technical field of bicycle parts, in particular to a folder for folding a bicycle frame.

Background

Bicycles, also known as bicycles or bicycles, are typically two-wheeled small land vehicles; after a person gets on the vehicle, the pedal is taken as power, so that the vehicle is a green and environment-friendly vehicle; the bicycle types are many, there is single bicycle, double bicycle still has many people's bicycles, along with people's growing demand, the technique of bicycle is also perfecting constantly, in order to conveniently carry the bicycle, and folding bicycle technique is perfecting gradually, through can setting up a folder in the middle of the girder when folding the frame of bicycle.

Most of existing folding devices for folding bicycle frames cancel limit through a handle, but in order to enable connection at folding positions to be stable, an operation handle usually needs to use a large force to pull when pulling, so that a user with small force is difficult to pull the handle when folding, and the folding device for folding bicycle frames is poor in practicability.

Disclosure of utility model

The present utility model is directed to a bicycle frame folding folder that solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a folding folder of bicycle frame, includes the movable seat, the movable seat right side is provided with the fixing base, the equal fixedly connected with bicycle girder in movable seat left side and fixing base right side, fixing base rear side fixedly connected with folding mechanism, folding mechanism front side fixedly connected with spacing subassembly.

Folding mechanism includes the U-shaped seat, U-shaped seat fixed connection is in the fixing base rear side, U-shaped seat inboard is through bearing swing joint has the transfer line, transfer line outside fixedly connected with L shape piece, movable seat front side fixedly connected with U-shaped piece, fixing base front side fixedly connected with installation piece, the movable groove has all been seted up to installation piece top and bottom, two the movable groove is close to one side mutually and is equal fixedly connected with spring one, two the equal fixedly connected with fixture block of one end is kept away from mutually to spring one, the draw-in groove has been seted up to the U-shaped piece inboard.

Preferably, the mounting block front side has seted up the spread groove, fixture block front side fixedly connected with draws the piece, draw the piece front side to run through in the spread groove and extend to outside the mounting block.

Preferably, the front side of the clamping block is provided with an inclined plane, the clamping block is slidably connected to the inner side of the movable groove, and the rear side of the connecting groove is communicated with the inner side of the movable groove.

Preferably, the left side of the fixed seat is provided with a long groove, the right side of the movable seat is fixedly connected with a bump, and the top and the bottom of the bump are matched with the inner side of the long groove.

Preferably, the limiting assembly comprises a stop block, the stop block is fixedly connected to the front side of the mounting block, a second spring is fixedly connected to the right side of the stop block, and a movable block is fixedly connected to the right end of the second spring.

Preferably, the right side of the stop block is fixedly connected with a rectangular rod, a through rectangular hole is formed in the left side of the movable block, and the rectangular rod is slidably connected to the inner side of the rectangular hole.

Preferably, the front side of the movable block is fixedly connected with a fixed block, and the top and the bottom of the movable block are respectively and tightly attached to the opposite surfaces of the two pull blocks.

Compared with the prior art, the utility model has the beneficial effects that:

1. This folding folder of bicycle frame through setting up folding mechanism, in the use, only need to push down two to the centre when needs fold the frame of bicycle and draw the piece, makes the fixture block leave the draw-in groove that corresponds, can fold the frame this moment, convenient operation is swift to press and draw the piece and need not to spend a large amount of strength, thereby make folding folder adaptability of this bicycle frame better, when expanding, the fixture block can get into the draw-in groove voluntarily under the effect on inclined plane in, carries out spacingly to U-shaped piece and installation piece, makes the bicycle more convenient when expanding.

2. This folding folder of bicycle frame through setting up spacing subassembly, in the use, can carry out spacingly to the position of two pull blocks under the effect of movable block to prevent that two pull blocks from appearing the phenomenon of removal under the exogenic action, ensure that the fixture block is located the draw-in groove all the time and carry out spacingly to the U-shaped piece, make folding folder junction of this bicycle frame have good stability.

Drawings

FIG. 1 is a schematic view of the back side of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a front side of the overall structure of the present utility model;

FIG. 3 is a schematic view of a front partial explosion of the present utility model;

FIG. 4 is a schematic view of a backside partially exploded view of the present utility model;

Fig. 5 is an enlarged schematic view of the structure of fig. 3 at a.

In the figure: 1. a bicycle main beam; 2. a movable seat; 3. a folding mechanism; 301. a U-shaped block; 302. a clamping groove; 303. a bump; 304. a movable groove; 305. a clamping block; 306. a first spring; 307. pulling blocks; 308. a long groove; 309. an L-shaped block; 310. a U-shaped seat; 311. a connecting groove; 312. a mounting block; 4. a fixing seat; 5. a limit component; 501. a rectangular hole; 502. a fixed block; 503. a second spring; 504. a rectangular bar; 505. a stop block; 506. a movable block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides the following technical scheme:

Referring to fig. 1-5, a folder for folding a bicycle frame comprises a movable seat 2, wherein a fixed seat 4 is arranged on the right side of the movable seat 2, a bicycle main beam 1 is fixedly connected to the left side of the movable seat 2 and the right side of the fixed seat 4, a folding mechanism 3 is fixedly connected to the rear side of the fixed seat 4, and a limiting component 5 is fixedly connected to the front side of the folding mechanism 3.

Folding mechanism 3 includes U-shaped seat 310, U-shaped seat 310 fixedly connected with transfer line in fixing base 4 rear side, U-shaped seat 310 inboard is through bearing swing joint, transfer line outside fixedly connected with L-shaped piece 309, movable seat 2 front side fixedly connected with U-shaped piece 301, fixing base 4 front side fixedly connected with installation piece 312, movable groove 304 has all been seted up to installation piece 312 top and bottom, two movable grooves 304 are close to one side and all fixedly connected with first spring 306, two first springs 306 keep away from one end all fixedly connected with fixture block 305 mutually, the draw-in groove 302 has been seted up to U-shaped piece 301 inboard, only need press two pull blocks 307 to the centre when needs fold the frame of bicycle, make 305 leave corresponding draw-in groove 302, can fold the frame at this moment, convenient operation is swift, and press the pull block 307 need not to spend a large amount of effort, thereby make this folding folder adaptability of bicycle frame better, when expanding, the effect under the inclined plane fixture block 305 can get into the fixture block 302 voluntarily, carry out spacing to U-shaped piece 301 and installation piece 312.

Specifically, the front side of the mounting block 312 is provided with a connecting groove 311, the front side of the clamping block 305 is fixedly connected with a pulling block 307, and the front side of the pulling block 307 penetrates through the connecting groove 311 and extends out of the mounting block 312, so that the movement of the clamping block 305 can be controlled under the action of the pulling block 307.

Specifically, the front side of the clamping block 305 is set to be an inclined plane, the clamping block 305 is slidably connected inside the movable groove 304, the rear side of the connecting groove 311 is communicated with the inner side of the movable groove 304, and the connection between the U-shaped block 301 and the mounting block 312 is facilitated under the action of the inclined plane of the clamping block 305, so that the clamping block 305 enters the clamping groove 302.

Specifically, the long groove 308 is formed in the left side of the fixed seat 4, the bump 303 is fixedly connected to the right side of the movable seat 2, the top and the bottom of the bump 303 are matched with the inner side of the long groove 308, the joint is reinforced under the action of the long groove 308 and the bump 303, the force of the bicycle on the joint, especially the force in the vertical direction, is reduced, and the service life of the folder is prolonged.

Specifically, the limiting assembly 5 comprises a stop block 505, the stop block 505 is fixedly connected to the front side of the mounting block 312, a second spring 503 is fixedly connected to the right side of the stop block 505, a movable block 506 is fixedly connected to the right end of the second spring 503, and the positions of the two pull blocks 307 can be limited under the action of the movable block 506, so that the phenomenon that the two pull blocks 307 move under the action of external force is prevented, the clamping block 305 is ensured to be always located in the clamping groove 302 to limit the U-shaped block 301, and the connecting part of the folding folder of the bicycle frame has good stability.

Specifically, the right side of the block 505 is fixedly connected with a rectangular rod 504, the left side of the movable block 506 is provided with a rectangular hole 501 penetrating through, the rectangular rod 504 is slidably connected to the inner side of the rectangular hole 501, and the movement track of the movable block 506 is limited under the action of the rectangular rod 504 and the rectangular hole 501.

Specifically, the front side of the movable block 506 is fixedly connected with the fixed block 502, the top and the bottom of the movable block 506 are respectively and tightly attached to the opposite surfaces of the two pull blocks 307, and the movable block 506 is conveniently driven to move under the action of the fixed block 502.

In the actual operation process, when the device is used and a bicycle frame needs to be folded, the movable block 506 is pulled leftwards through the fixed block 502, so that the movable block 506 loses the limit of the two pull blocks 307, the two pull blocks 307 can be pressed towards the middle until the clamping block 305 leaves the groove, the U-shaped block 301 loses the limit of the clamping block 305 and the clamping groove 302, and the bicycle frame can be folded under the action of the L-shaped block 309, the U-shaped seat 310 and the transmission rod;

When the frame of the bicycle needs to be unfolded, the movable block 506 is pulled leftwards through the fixed block 502, then the frame on the left side of the movable seat 2 is rotated, the clamping block 305 is convenient to enter the clamping groove 302 under the action of the inclined surface on the front side of the clamping block 305, the fixed block 502 is loosened after the unfolding is completed, the movable block 506 is reset under the action of the spring II 503, the two pulling blocks 307 are limited, and the unfolding of the frame of the bicycle is completed.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Claims (7)

1. A folder for folding a bicycle frame, comprising a movable seat (2), characterized in that: the bicycle is characterized in that a fixed seat (4) is arranged on the right side of the movable seat (2), a bicycle main beam (1) is fixedly connected to the left side of the movable seat (2) and the right side of the fixed seat (4), a folding mechanism (3) is fixedly connected to the rear side of the fixed seat (4), and a limiting assembly (5) is fixedly connected to the front side of the folding mechanism (3);

folding mechanism (3) are including U-shaped seat (310), U-shaped seat (310) fixedly connected with is in fixing base (4) rear side, U-shaped seat (310) inboard is through bearing swing joint has the transfer line, transfer line outside fixedly connected with L shape piece (309), movable seat (2) front side fixedly connected with U-shaped piece (301), fixing base (4) front side fixedly connected with installation piece (312), movable groove (304) have all been seted up to installation piece (312) top and bottom, two movable groove (304) are close to one side mutually and are all fixedly connected with first spring (306), two one end equal fixedly connected with fixture block (305) are kept away from mutually to first spring (306), draw-in groove (302) have been seted up to U-shaped piece (301) inboard.

2. A bicycle frame folding folder as claimed in claim 1, wherein: the front side of the mounting block (312) is provided with a connecting groove (311), the front side of the clamping block (305) is fixedly connected with a pulling block (307), and the front side of the pulling block (307) penetrates through the connecting groove (311) and extends out of the mounting block (312).

3. A bicycle frame folding folder as claimed in claim 2, wherein: the front side of the clamping block (305) is provided with an inclined plane, the clamping block (305) is slidably connected to the inner side of the movable groove (304), and the rear side of the connecting groove (311) is communicated with the inner side of the movable groove (304).

4. A bicycle frame folding folder as claimed in claim 1, wherein: the left side of the fixed seat (4) is provided with a long groove (308), the right side of the movable seat (2) is fixedly connected with a lug (303), and the top and the bottom of the lug (303) are matched with the inner side of the long groove (308).

5. A bicycle frame folding folder as claimed in claim 1, wherein: the limiting assembly (5) comprises a stop block (505), the stop block (505) is fixedly connected to the front side of the mounting block (312), a second spring (503) is fixedly connected to the right side of the stop block (505), and a movable block (506) is fixedly connected to the right end of the second spring (503).

6. A bicycle frame folding folder as defined in claim 5, wherein: the right side of the stop block (505) is fixedly connected with a rectangular rod (504), a through rectangular hole (501) is formed in the left side of the movable block (506), and the rectangular rod (504) is slidably connected to the inner side of the rectangular hole (501).

7. A bicycle frame folding folder as defined in claim 6, wherein: the front side of the movable block (506) is fixedly connected with a fixed block (502), and the top and the bottom of the movable block (506) are respectively and tightly attached to the opposite surfaces of the two pull blocks (307).