CN220924363U - Antiskid formula bicycle U type buckle - Google Patents

Abstract

The utility model discloses an anti-skid bicycle U-shaped buckle, which relates to the technical field of seat accessories and comprises a center sleeve, wherein a U-shaped fixing frame is fixedly arranged on the outer side of the center sleeve, a pair of symmetrical fastening structures are arranged on the inner side of the U-shaped fixing frame, each fastening structure comprises a half-type clamping block and a plurality of anti-skid strips fixedly arranged on the inner cambered surface of the half-type clamping block, a pair of telescopic rods are fixedly arranged between each half-type clamping block and the U-shaped fixing frame, and the telescopic rods movably penetrate through the center sleeve. According to the utility model, the pair of half clamping blocks are synchronously driven to approach each other based on the position of the surface wall of the saddle pipe until the plurality of anti-slip strips on the pair of half clamping blocks form a circular path and are tightly attached to the surface wall of the saddle pipe, so that the stress point for clamping the surface wall of the saddle pipe can be increased in a clamping manner, the quick disassembly and assembly of the saddle pipe are met, the anti-slip capability of the saddle pipe after the height adjustment is improved, and the compression resistance of the saddle pipe after fixation is met.

Description

Antiskid formula bicycle U type buckle

Technical Field

The utility model relates to the technical field of seat accessories, in particular to an anti-skid U-shaped buckle of a bicycle.

Background

The seat tube and the frame middle tube of the bicycle are connected by the seat tube clamp, so that a plurality of bicycle seat tube clamps exist on the market, and the use requirement of a user for adjusting the height of the seat can be basically met.

When the bicycle saddle is buckled, the clamping of the saddle seat pipe wall is realized in a mode of extrusion deformation, the stress surface of the surface wall of the saddle seat pipe is few in the clamping mode, and the phenomenon that the saddle seat pipe slides down easily occurs when the saddle seat pipe bears larger vertical pressure, so that the pressure-resistant and anti-slip U-shaped bicycle saddle buckle is urgently needed.

Disclosure of utility model

The utility model aims to provide an anti-skid bicycle U-shaped buckle, which can improve the anti-skid capability of a saddle seat tube after height adjustment and the compression resistance of the saddle seat tube after fixation by increasing the stress points for clamping the surface wall of the saddle seat tube, thereby solving the prior art problems.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

The utility model relates to an anti-skid bicycle U-shaped buckle, which comprises a center sleeve, wherein a U-shaped fixing frame is fixedly arranged on the outer side of the center sleeve, a pair of symmetrical fastening structures are arranged on the inner side of the U-shaped fixing frame, each fastening structure comprises a half-type clamping block and a plurality of anti-skid strips fixedly arranged on the inner cambered surface of the half-type clamping block, a pair of telescopic rods are fixedly arranged between each half-type clamping block and the U-shaped fixing frame, the telescopic rods movably penetrate through the center sleeve, push rods are fixedly connected to the outer ring surface of each half-type clamping block, the push rods sequentially and movably penetrate through the center sleeve and the U-shaped fixing frame, and a driving structure for moving a pair of push rods close to each other or away from each other is arranged on the U-shaped fixing frame.

Preferably, the openings of the pair of half-clips are disposed opposite each other.

Preferably, the center sleeve is provided with a perforation for the telescopic rod to pass through.

Preferably, a pair of first linear bearings is fixedly penetrated through the center sleeve, a pair of second linear bearings is fixedly penetrated through the U-shaped fixing frame, and push rods arranged on the half-shaped clamping blocks are sequentially inserted into the first linear bearings and the second linear bearings in a sliding mode.

Preferably, an inner groove is formed in the side face of the center sleeve, and the driving structure is arranged in the inner groove.

Preferably, the driving structure comprises a rotating support fixedly arranged in the inner groove, a bidirectional screw rod rotatably connected to the rotating support, a pair of thread blocks in threaded connection with the thread of the bidirectional screw rod, and a pair of hexagonal grooves formed at two ends of the bidirectional screw rod;

The thread blocks arranged on the bidirectional screw rod are fixedly arranged at one end of the push rod, which is opposite to the half-type clamping block.

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

1. According to the application, the pair of fastening structures and the driving structure for controlling the pair of fastening structures to move close to or away from each other through the push rod are arranged, the semi-type clamping blocks arranged in the semi-type manner and the plurality of anti-slip strips matched with the semi-type clamping blocks are utilized to synchronously drive the pair of semi-type clamping blocks to approach each other based on the surface wall position of the seat tube until the plurality of anti-slip strips on the pair of semi-type clamping blocks form a circular path and are tightly attached to the surface wall of the seat tube, so that the stress point for clamping the surface wall of the seat tube can be increased in a clamping manner, the anti-slip capability of the seat tube after the height adjustment can be improved while the quick disassembly of the seat tube is met, and the compression resistance of the seat tube after fixation is met.

2. According to the application, the telescopic rod, the first linear bearing and the second linear bearing are arranged, so that the telescopic rod can meet the requirement of the sliding smoothness of the push rod pulling half-type clamping blocks under the guiding of the translation of the half-type clamping blocks, and the stability of the half-type clamping blocks when moving close to or far from each other can be ensured.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 shows a partial cross-sectional view of fig. 1.

Fig. 3 is a schematic view showing the structure of the fastening structure in fig. 2.

Fig. 4 is an enlarged view of a portion a in fig. 2.

Description of the main reference signs

1. A center sleeve; 2. a U-shaped fixing frame; 3. a fastening structure; 31. a half-type clamping block; 32. an anti-slip strip; 4. a telescopic rod; 5. a push rod; 6. a driving structure; 61. rotating the support; 62. a two-way screw rod; 63. a screw block; 64. a hexagonal groove; 7. a first linear bearing; 8. a second linear bearing; 9. an inner tank.

The foregoing general description of the utility model will be described in further detail with reference to the drawings and detailed description.

Detailed Description

The present utility model will be described in detail with reference to the accompanying drawings.

Referring to fig. 1, 2 and 3, the present embodiment provides an anti-slip bicycle U-shaped buckle, which includes a center sleeve 1; the center sleeve 1 can be coaxially arranged in the middle pipe of the frame so as to facilitate the insertion of the seat pipe of the frame; the outer side of the center sleeve 1 is fixedly provided with a U-shaped fixing frame 2; with continued reference to fig. 3, a pair of symmetrical fastening structures 3 are provided on the inner side of the u-shaped fixing frame 2, each fastening structure 3 includes a half-shaped clamping block 31 and a plurality of anti-slip strips 32 fixedly mounted on the inner arc surface of the half-shaped clamping block 31; the anti-slip strip 32 can increase the friction with the surface wall of the seat tube to achieve the effect of fastening and anti-slip; a pair of telescopic rods 4 are fixedly arranged between each half-type clamping block 31 and the U-shaped fixing frame 2, and the telescopic rods 4 movably penetrate through the center sleeve 1; the telescopic rod 4 can be used for stabilizing the parallelism of the movement of the half-clamping blocks 31 in the center sleeve 1; the outer ring surface of each half-type clamping block 31 is fixedly connected with a push rod 5, and the push rods 5 sequentially penetrate through the central sleeve 1 and the U-shaped fixing frame 2; the push rod 5 can move linearly through the half-type clamping block 31 in the external stress control center sleeve 1; the U-shaped fixing frame 2 is provided with a driving structure 6 for moving a pair of push rods 5 toward each other or away from each other.

In this embodiment, the half-type clamping blocks 31 and the plurality of anti-slip strips 32 matched with the half-type clamping blocks are utilized to synchronously drive the pair of half-type clamping blocks 31 to approach each other based on the surface wall position of the seat tube until the plurality of anti-slip strips 32 on the pair of half-type clamping blocks 31 form a circular path and are tightly attached to the surface wall of the seat tube, so that the stress point for clamping the surface wall of the seat tube can be increased in such a clamping manner, and the anti-slip capability of the seat tube after the height adjustment can be improved and the compression resistance of the seat tube after the fixation can be satisfied when the quick disassembly of the seat tube is satisfied.

It should be noted that, when the plurality of anti-slip strips 32 form a circular path, the diameter of the circular path is adapted to the diameter of the bicycle saddle tube, so that the clamping stress point can be improved when the plurality of anti-slip strips 32 are tightly attached to the surface wall of the bicycle saddle tube, and the anti-slip performance is satisfied.

The openings of the pair of half-type clamping blocks 31 are oppositely arranged; this allows clamping or unclamping of the seat tube when the pair of half-clips 31 move toward or away from each other.

Referring to fig. 4 in combination, a through hole for the telescopic rod 4 to pass through is formed in the center sleeve 1; perforations may be used to avoid telescoping rods 4 of telescopic applicability.

A pair of first linear bearings 7 are fixedly penetrated through the center sleeve 1, a pair of second linear bearings 8 are fixedly penetrated through the U-shaped fixing frame 2, and push rods 5 arranged on the half-type clamping blocks 31 are sequentially inserted on the first linear bearings 7 and the second linear bearings 8 in a sliding manner; when the push rod 5 is forced to pull the half-type clamping block 31 to horizontally move, the push rod 5 can slide in the first linear bearing 7 and the second linear bearing 8, so that the smoothness of the extension and the extension of the push rod 5 can be adjusted.

With continued reference to fig. 1 and 2, the driving structure 6 includes a rotation support 61 fixedly installed in the inner groove 9, a bidirectional screw rod 62 rotatably connected to the rotation support 61 through a rolling bearing, a pair of screw blocks 63 screw-connected to the screw thread of the bidirectional screw rod 62, and a pair of hexagonal grooves 64 provided at both ends of the bidirectional screw rod 62; the threaded block 63 arranged on the bidirectional screw rod 62 is fixedly arranged at one end of the push rod 5, which is opposite to the half-type clamping block 31; the arrangement of the inner groove 9 on the U-shaped fixing frame 2 can facilitate the local hiding of the position of the driving structure 6, so that the size of the whole buckle can be reduced; a pair of screw blocks 63 are respectively arranged on the screw areas which are oppositely arranged at two positions of the bidirectional screw rod 62;

Specifically, a hexagonal tool is adopted to correspondingly rotate in a hexagonal groove 64 at the end part of the bidirectional screw rod 62, so that the bidirectional screw rod 62 can rotate on a rotary support 61 at fixed points, and based on the movement that a pair of threaded blocks 63 on the bidirectional screw rod 62 can mutually approach or mutually separate, when the pair of threaded blocks 63 mutually approach, a pair of push rods 5 can be driven to mutually approach at the moment until the pair of push rods 5 push a pair of half-type clamping blocks 31 to press the corresponding anti-slip strips 32 on a seat tube of a seat, and the limit of the seat tube can be completed; similarly, the height of the seat tube can be released by controlling the distance between the pair of half-shaped clamping blocks 31, so that the height of the seat can be conveniently adjusted.

The application principle of the U-shaped buckle of the anti-slip bicycle in the embodiment is as follows: firstly, the center sleeve 1 is assembled on a middle tube of a vehicle frame, a vehicle seat tube is inserted into the middle tube through the center sleeve 1, a hexagonal tool is correspondingly arranged in a hexagonal groove 64 at the end part of a bidirectional screw rod 62 and is rotated, the bidirectional screw rod 62 can rotate on a rotating support 61 at fixed points, a pair of thread blocks 63 on the bidirectional screw rod 62 can move close to or away from each other, when the pair of thread blocks 63 are close to each other, a pair of push rods 5 can smoothly move close to each other, under the condition that the telescopic rod 4 provides horizontal guidance for a half-type clamping block 31, and when the half-type clamping block 31 moves for adaptability and extension, the pair of push rods 5 can respectively push a pair of half-type clamping blocks 31 to press corresponding anti-slip strips 32 on the half-type clamping blocks to the vehicle seat tube, so that the limit of the vehicle seat tube can be completed; similarly, when the height of the seat tube is to be removed or adjusted, the height of the seat tube can be released by controlling the pair of half-clips 31 to be separated from each other, and the height of the seat can be adjusted or removed.

Claims (6)

1. The utility model provides an anti-skidding type bicycle U type buckle, its characterized in that, includes center cover (1), the outside fixed mounting of center cover (1) has U type mount (2), the inboard of U type mount (2) is provided with a pair of symmetrical fastening structure (3), and every fastening structure (3) are in including half clamp splice (31) and fixed mounting a plurality of antislip strip (32) of cambered surface in half clamp splice (31), every half clamp splice (31) with fixed mounting has a pair of telescopic link (4) between U type mount (2), and telescopic link (4) activity run through center cover (1), the outer loop fixedly connected with push rod (5) of every half clamp splice (31), and push rod (5) activity in proper order run through center cover (1) and U type mount (2), be provided with on U type mount (2) and be used for a pair of push rod (5) to be close to each other or keep away from driving structure (6) of motion each other.

2. The U-shaped buckle for a bicycle according to claim 1, wherein the openings of the pair of half-clips (31) are arranged opposite to each other.

3. The anti-skid bicycle U-shaped buckle according to claim 1, characterized in that the central sleeve (1) is provided with a perforation for the passage of the telescopic rod (4).

4. The anti-skid bicycle U-shaped buckle according to claim 1, wherein the central sleeve (1) is fixedly penetrated with a pair of first linear bearings (7), the U-shaped fixing frame (2) is fixedly penetrated with a pair of second linear bearings (8), and the push rods (5) arranged on the half-shaped clamping blocks (31) are sequentially inserted on the first linear bearings (7) and the second linear bearings (8) in a sliding manner.

5. The anti-skid bicycle U-shaped buckle according to claim 1, characterized in that the side of the center sleeve (1) is provided with an inner groove (9), and the driving structure (6) is arranged in the inner groove (9).

6. The anti-skid bicycle U-shaped buckle according to claim 5, characterized in that said driving structure (6) comprises a rotating support (61) fixedly installed in said inner groove (9), a bidirectional screw (62) rotatably connected to said rotating support (61), a pair of threaded blocks (63) screwed at the threads of said bidirectional screw (62) and a pair of hexagonal grooves (64) opened at both ends of said bidirectional screw (62);

The threaded block (63) arranged on the bidirectional screw rod (62) is fixedly arranged at one end of the push rod (5) opposite to the half-type clamping block (31).