CN214985860U

CN214985860U - Bicycle rear hook device

Info

Publication number: CN214985860U
Application number: CN202120743968.9U
Authority: CN
Inventors: 万爱员
Original assignee: Tianjin Juhui Sports Equipment Co ltd
Current assignee: Tianjin Juhui Sports Equipment Co ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-12-03
Anticipated expiration: 2031-04-08

Abstract

The utility model belongs to bicycle accessory field discloses a collude claw device behind bicycle, and shown lug passes through the bolt and colludes claw fixed connection, colludes one side of claw and has seted up the mounting groove, the spout that two levels set up is seted up to the symmetry on the mounting groove inner wall, one side fixedly connected with spring in the spout, four there are two first fixed plates and second fixed plate respectively slidable mounting in the spout, first fixed plate and second fixed plate are L shape structure. The utility model reinforces the installed lifting lug, thereby avoiding the condition of easy loosening or deflection when being impacted by external force, and simultaneously avoiding unsmooth speed change or noise generation; buffering external force, avoiding the stress that receives to concentrate easily in the junction of colluding claw and lug and lead to cracked condition to take place easily, very big improvement the incorruptibility.

Description

Bicycle rear hook device

Technical Field

The utility model belongs to bicycle accessory field especially relates to a collude claw device behind bicycle.

Background

The rear hook of a common bicycle is welded on two sides of a rear fork of a frame to provide installation of a hook lifting lug, and the type of the hook lifting lug is different according to a single-speed bicycle or a variable-speed bicycle.

Present bicycle colludes intensity after combining between claw and the lug and slightly suspiciously not enough, when receiving external force striking, causes the condition that pine takes off or is crooked easily, may lead to the variable speed not smooth or have the noise to produce, and when receiving external force striking, the stress that receives concentrates easily in the junction of colluding claw and lug and leads to the fracture easily, consequently, colludes claw device behind the needs a bicycle and solves above problem.

SUMMERY OF THE UTILITY MODEL

To the problem that prior art exists, the utility model provides a collude claw device behind bicycle.

The utility model discloses a realize like this, collude claw device behind bicycle and be provided with:

the hook claw and the lifting lug;

the lifting lug is fixedly connected with the hook claw through a bolt, one side of the hook claw is provided with a mounting groove, the inner wall of the mounting groove is symmetrically provided with two horizontally arranged sliding grooves, one side in each sliding groove is fixedly connected with a spring, two first fixing plates and two second fixing plates are respectively and slidably mounted in the four sliding grooves, the first fixing plates and the second fixing plates are both of L-shaped structures, one ends of the four springs are respectively and fixedly connected with the two first fixing plates and the two second fixing plates, the lifting lug is positioned between the first fixing plates and the second fixing plates, four fixing blocks are welded on one side of the lifting lug, through holes are formed in the fixing blocks, the two first fixing plates and the two second fixing plates are respectively positioned in the four through holes, grooves are respectively formed in the inner walls on the sides, close to the first fixing plates and the second fixing plates, and spring columns are mounted in the grooves, one end of the spring column is tightly attached to the side wall of the lifting lug, two connecting rods are welded between the first fixing plate and the two second fixing plates, a transverse plate is welded on one side of each connecting rod, and the transverse plate is fixedly connected with the hook claw through bolts.

Furthermore, a slot is formed in one end of the first fixing plate, an inner insertion block is welded at one end of the second fixing plate, and the inner insertion block is matched with the slot.

Further, install the guide bar in the spout, first fixed plate, second fixed plate and the equal sliding sleeve of spring are located on the guide bar.

Further, the width value of the through hole is slightly larger than the width values of the first fixing plate and the second fixing plate.

Further, threaded holes are formed in the lifting lugs, the transverse plate and the inner wall of the mounting groove.

Combine foretell all technical scheme, the utility model discloses the advantage that possesses and positive effect are:

the utility model discloses a stimulate first fixed plate and second fixed plate for in the insert piece removed the slot, first fixed plate and second fixed plate passed the through-hole on the fixed block simultaneously, then fixed the diaphragm in the mounting groove through the bolt, consolidate the lug after the installation, thereby when having avoided receiving external impact, caused the pine easily and take off or crooked condition to take place, avoided leading to the variable speed not in order smooth or have the noise to produce simultaneously.

The utility model discloses a spring post and spring in the recess can cushion external force when receiving external impact, and the stress of avoiding receiving concentrates on the junction of colluding claw and lug easily and leads to the cracked condition to take place, very big improvement the incorruptibility easily.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.

Fig. 1 is a schematic structural view of a bicycle rear pawl device provided by an embodiment of the present invention.

Fig. 2 is a schematic bottom view of the first fixing plate, the second fixing plate and the lifting lug according to the embodiment of the present invention.

In the figure: 1. hooking claws; 2. mounting grooves; 3. a chute; 4. a spring; 5. a first fixing plate; 6. a slot; 7. a second fixing plate; 8. an inner insertion block; 9. lifting lugs; 10. a fixed block; 11. a through hole; 12. a groove; 13. a spring post; 14. a connecting rod; 15. a transverse plate; 16. a guide rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

To the problem that prior art exists, the utility model provides a collude claw device behind bicycle, it is right to combine the figure below the utility model discloses do detailed description.

As shown in fig. 1 to 2, a lifting lug 9 of a bicycle rear hook claw device provided by an embodiment of the present invention is fixedly connected to a hook claw 1 through a bolt, a mounting groove 2 is formed on one side of the hook claw 1, two horizontally disposed sliding grooves 3 are symmetrically formed on an inner wall of the mounting groove 2, a spring 4 is fixedly connected to one side of each sliding groove 3, two first fixing plates 5 and two second fixing plates 7 are respectively slidably mounted in the four sliding grooves 3, the first fixing plates 5 and the second fixing plates 7 are both L-shaped structures, one end of each of the four springs 4 is respectively fixedly connected to the two first fixing plates 5 and the two second fixing plates 7, the lifting lug 9 is located between the first fixing plates 5 and the second fixing plates 7, the four fixing blocks 10 are welded to one side of the lifting lug 9, through holes 11 are formed in the fixing blocks 10, the two first fixing plates 5 and the two second fixing plates 7 are respectively located in the four through holes 11, all seted up recess 12 on the one side inner wall that first fixed plate 5 and second fixed plate 7 are close to mutually, installed spring post 13 in the recess 12, the lug 9 lateral wall is hugged closely to the one end of spring post 13, and all welded has connecting rod 14 between two first fixed plates 5 and two second fixed plates 7, and the welding of one side of connecting rod 14 has diaphragm 15, and diaphragm 15 passes through the bolt and colludes claw 1 fixed connection.

Preferably, a slot 6 is formed at one end of the first fixing plate 5, an inner insertion block 8 is welded at one end of the second fixing plate 7, and the inner insertion block 8 is matched with the slot 6.

Preferably, a guide rod 16 is installed in the sliding chute 3, and the first fixing plate 5, the second fixing plate 7 and the spring 4 are slidably sleeved on the guide rod 16.

Preferably, the width of the through hole 11 is slightly larger than the width of the first and

second fixing plates

5 and 7.

Preferably, the lifting lug 9, the transverse plate 15 and the inner wall of the mounting groove 2 are all provided with threaded holes.

When the embodiment of the utility model is used, firstly, the lifting lugs 9 are fixed in the mounting groove 2 through the bolts, then the first fixing plate 5 and the second fixing plate 7 are pulled to enable the inner insert block 8 to move into the slot 6, meanwhile, the first fixing plate 5 and the second fixing plate 7 pass through the through holes 11 on the fixing blocks 10, then the transverse plate 15 is fixed in the mounting groove 2 through the bolts to reinforce the lifting lugs 9 after being mounted, thereby avoiding the situation of loosening or skewing easily caused by external force impact, avoiding unsmooth speed change or noise generation, when the lifting lugs 9 are impacted by external force, the lifting lugs 9 transmit external force to the spring columns 13 in the grooves 12, meanwhile, the lifting lugs 9 transmit partial external force to the first fixing plate 5 or the second fixing plate 7, the first fixing plate 5 and the second fixing plate 7 transmit the spring 4, the external force can be buffered through the matching of the spring columns 13 and the spring 4, the situation that the stress is easily concentrated on the joint of the hook claw 1 and the lifting lug 9 to cause fracture is avoided, and the durability is greatly improved.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The above description is only for the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art should be covered by the protection scope of the present invention within the technical scope of the present invention, any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention.

Claims

1. The utility model provides a collude claw device behind bicycle which characterized in that colludes claw device behind bicycle is provided with:

the hook claw and the lifting lug;

the lifting lug is fixedly connected with the hook claw through a bolt, a mounting groove is formed in one side of the hook claw, two sliding grooves which are horizontally arranged are symmetrically formed in the inner wall of the mounting groove, a spring is fixedly connected to one side in each sliding groove, two first fixing plates and two second fixing plates are respectively and slidably mounted in the four sliding grooves, the first fixing plates and the second fixing plates are both of an L-shaped structure, one ends of the four springs are respectively and fixedly connected with the two first fixing plates and the two second fixing plates, the lifting lug is located between the first fixing plates and the second fixing plates, four fixing blocks are welded to one side of the lifting lug, through holes are formed in the fixing blocks, the two first fixing plates and the two second fixing plates are respectively located in the four through holes, grooves are formed in the inner walls of the sides, close to the first fixing plates and the second fixing plates, and spring columns are mounted in the grooves, one end of the spring column is tightly attached to the side wall of the lifting lug, two connecting rods are welded between the first fixing plate and the two second fixing plates, a transverse plate is welded on one side of each connecting rod, and the transverse plate is fixedly connected with the hook claw through bolts.

2. The bicycle dropout apparatus of claim 1, wherein one end of the first fixing plate is provided with a slot, one end of the second fixing plate is welded with an inner insertion block, and the inner insertion block is matched with the slot.

3. The bicycle dropout apparatus of claim 1 wherein a guide bar is mounted in said slide groove, and the first fixing plate, the second fixing plate and the spring are slidably mounted on the guide bar.

4. The bicycle dropout apparatus of claim 1 wherein the width of said through hole is slightly larger than the width of said first and second retaining plates.

5. The bicycle dropout apparatus of claim 1 wherein said lifting lug, cross plate and mounting groove inner wall are provided with threaded holes.