CN220764604U - Interval-adjustable reverse brake crank - Google Patents

Abstract

The utility model relates to an adjustable interval reverse brake crank, and belongs to the field of bicycle accessories. The utility model comprises a brake handle seat, a brake handle, a spring and a screw shaft, wherein the brake handle is arranged on the brake handle seat through the screw shaft, a bushing is sleeved on the screw shaft, the spring is sleeved on the bushing, and two ends of the spring are respectively contacted with the brake handle seat and the brake handle, and the structure is characterized in that: still include sinle silk reducing sleeve and adjusting screw, be provided with the mounting hole on the brake lever handle, sinle silk reducing sleeve sets up in the mounting hole, adjusting screw sets up on the brake lever handle, and adjusting screw and brake lever seat cooperation, be provided with the tight screw in top on the brake lever handle, tight screw in top and sinle silk reducing sleeve contact, the brake lever seat sets up on the bicycle handlebar through the broken tight structure of inflation.

Description

Interval-adjustable reverse brake crank

Technical Field

The utility model relates to an adjustable interval reverse brake crank, and belongs to the field of bicycles.

Background

The bicycle brake crank is the accessory in the bicycle, and most brake crank among the prior art passes through staple bolt isotructure and installs on the bicycle handlebar, has the reason that this has disclosed a bicycle brake crank in the patent document of application number 201510061548.1, installs on the bicycle handlebar through being similar to staple bolt structure among the above-mentioned prior art, inconvenient installation, also can't adjust the grip of brake crank simultaneously, can't be applicable to various crowds.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide the adjustable interval reverse brake lever with reasonable structural design.

The utility model solves the problems by adopting the following technical scheme: this interval reverse brake lever with adjustable, including brake handle seat, brake handle, spring and screw arbor, the brake handle passes through the screw arbor setting on the brake handle seat, the spring suit is on the screw arbor, and the both ends of spring contact with brake handle seat and brake handle respectively, its structural feature lies in: the novel brake crank is characterized by further comprising a wire core reducing sleeve and an adjusting screw, wherein the handle of the brake crank is provided with a mounting hole, the wire core reducing sleeve is arranged in the mounting hole, the adjusting screw is arranged on the handle of the brake crank, and the adjusting screw is matched with the brake crank seat. The holding distance of the brake crank can be adjusted through the adjusting screw, so that the brake crank is applicable to various crowds.

Further, a bushing is sleeved on the screw shaft, and the spring is sleeved on the bushing.

Further, a tightening screw is arranged on the brake crank handle, and the tightening screw is in contact with the wire core reducing sleeve.

Further, the brake lever seat is arranged on the bicycle handle bar through an expansion tightening structure.

Further, the expansion tightening structure comprises a plurality of expansion blocks, hollow screws and tightening nuts, wherein the tightening nuts are located among the expansion blocks, the hollow screws penetrate through the brake crank seat, the hollow screws are in threaded connection with the tightening nuts, one ends of the expansion blocks are in contact with the tightening nuts, and the other ends of the expansion blocks are in contact with the brake crank seat.

Further, O-rings are sleeved outside the expansion blocks.

Further, the number of the expansion blocks is three.

Compared with the prior art, the utility model has the following advantages: this interval reverse brake lever with adjustable is through the broken tip that tightly installs at hollow handlebar of inflation structure, set up the mounting hole on the brake lever handle and can be convenient for screw up hollow screw and tensioning nut through this mounting hole, still can install sinle silk reducing sleeve in the mounting hole after screwing up hollow screw and tensioning nut to the head joint of being convenient for act as go-between is on the sinle silk reducing sleeve, and this brake lever still accessible is screwed the adjusting screw for adjusting screw and brake lever seat butt, in order to realize adjusting the distance of holding of this brake lever, with this crowd that can be applicable to different palm sizes.

Drawings

Fig. 1 is a schematic perspective view of an adjustable interval reverse brake lever according to an embodiment of the present utility model.

Fig. 2 is a schematic perspective view of an adjustable interval reverse brake lever according to an embodiment of the present utility model.

Fig. 3 is a schematic cross-sectional view of an adjustable interval reverse brake lever according to an embodiment of the present utility model.

Fig. 4 is a schematic cross-sectional view of an adjustable interval reverse brake lever according to an embodiment of the present utility model.

Fig. 5 is an exploded view of an adjustable interval reversing lever according to an embodiment of the present utility model.

In the figure: the brake handle comprises a brake handle seat 1, a brake handle 2, an expansion tightening structure 3, a spring 4, a screw shaft 5, a bushing 6, a wire core reducing sleeve 7, an adjusting screw 8, a tightening screw 9,

A mounting hole 21,

Expansion block 31, hollow screw 32, tensioning nut 33, O-ring 34.

Detailed Description

The present utility model will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present utility model and not limited to the following examples.

Examples

Referring to fig. 1 to 5, it should be understood that the structures, proportions, sizes, etc. shown in the drawings attached to the present specification are shown only for the purpose of understanding and reading by those skilled in the art, and are not intended to limit the applicable limitations of the present utility model, so that any structural modification, change in proportion, or adjustment of size does not have any technical significance, and all fall within the scope of the technical content of the present utility model without affecting the efficacy and achievement of the present utility model. In the meantime, if the terms such as "upper", "lower", "left", "right", "middle" and "a" are used in the present specification, they are merely for convenience of description, but are not intended to limit the scope of the present utility model, and the relative relation changes or modifications are considered to be within the scope of the present utility model without substantial modification of the technical content.

The interval reverse brake lever with adjustable in this embodiment, including brake handle seat 1, brake handle 2, spring 4, screw arbor 5, bush 6, sinle silk reducing sleeve 7, adjusting screw 8 and tight screw 9 in top, brake handle 2 passes through screw arbor 5 to be set up on brake handle seat 1, and the cover is equipped with bush 6 on the screw arbor 5, and spring 4 suit is on bush 6, and the both ends of spring 4 contact with brake handle seat 1 and brake handle 2 respectively.

Be provided with mounting hole 21 on brake lever handle 2 in this embodiment, sinle silk reducing bush 7 sets up in mounting hole 21, and adjusting screw 8 sets up on brake lever handle 2, and adjusting screw 8 and the cooperation of brake lever seat 1 are provided with on the brake lever handle 2 and prop up tight screw 9, prop up tight screw 9 and sinle silk reducing bush 7 contact.

The brake handle holder 1 in this embodiment is disposed on a bicycle handlebar through an expansion tightening structure 3, the expansion tightening structure 3 includes a plurality of expansion blocks 31, a hollow screw 32 and a tightening nut 33, the number of expansion blocks 31 is typically three, the tightening nut 33 is located between the expansion blocks 31, the hollow screw 32 penetrates through the brake handle holder 1, the hollow screw 32 is in threaded connection with the tightening nut 33, one end of the expansion block 31 is in contact with the tightening nut 33, the other end of the expansion block 31 is in contact with the brake handle holder 1, and an O-ring 34 is sleeved outside the expansion blocks 31.

Specifically, this interval reverse brake lever with adjustable inserts the tip of hollow handlebar with inflation broken tight structure 3 when using, screw up hollow screw 32 through mounting hole 21, make expansion block 31 inflation in hollow handlebar through hollow screw 32 pulling tensioning nut 33, and then can install brake handle seat 1 on hollow handlebar, install sinle silk reducing bush 7 on mounting hole 21, sinle silk reducing bush 7 is fixed on brake handle 2 through jack screw 9, can pass sinle silk reducing bush 7 with the stay wire, hollow screw 32, tensioning nut 33, can make the head card of stay wire on sinle silk reducing bush 7 simultaneously, this brake handle can be according to the palm size of riding person and adjust the grip of brake lever, accessible screw 8 of screwing up when adjusting the grip of this brake lever for adjusting screw 8 and brake handle seat 1 butt, and then can realize adjusting the grip of this brake lever.

In addition, it should be noted that the specific embodiments described in the present specification may vary from part to part, from name to name, etc., and the above description in the present specification is merely illustrative of the structure of the present utility model. All equivalent or simple changes of the structure, characteristics and principle according to the inventive concept are included in the protection scope of the present patent. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the utility model as defined in the accompanying claims.

Claims (7)

1. The utility model provides a interval reverse brake lever with adjustable, includes brake handle seat (1), brake handle (2), spring (4) and screw rod axle (5), brake handle (2) set up on brake handle seat (1) through screw rod axle (5), spring (4) suit is on screw rod axle (5), and the both ends of spring (4) contact with brake handle seat (1) and brake handle (2) respectively, its characterized in that: still include sinle silk reducing sleeve (7) and adjusting screw (8), be provided with mounting hole (21) on brake lever handle (2), sinle silk reducing sleeve (7) set up in mounting hole (21), adjusting screw (8) set up on brake lever handle (2), and adjusting screw (8) and brake lever seat (1) cooperation.

2. The adjustable interval reversing brake lever according to claim 1, wherein: the screw shaft (5) is sleeved with a bushing (6), and the spring (4) is sleeved on the bushing (6).

3. The adjustable interval reversing brake lever according to claim 1, wherein: the brake crank handle (2) is provided with a tightening screw (9), and the tightening screw (9) is contacted with the wire core reducing sleeve (7).

4. The adjustable interval reversing brake lever according to claim 1, wherein: the brake crank seat (1) is arranged on a bicycle handle through an expansion tightening structure (3).

5. The adjustable interval reversing brake lever according to claim 4, wherein: the expansion tightening structure (3) comprises a plurality of expansion blocks (31), hollow screws (32) and tightening nuts (33), wherein the number of the expansion blocks (31) is multiple, the tightening nuts (33) are located among the expansion blocks (31), the hollow screws (32) penetrate through a brake crank seat (1), the hollow screws (32) are in threaded connection with the tightening nuts (33), one ends of the expansion blocks (31) are in contact with the tightening nuts (33), and the other ends of the expansion blocks (31) are in contact with the brake crank seat (1).

6. The adjustable interval reversing brake lever according to claim 5, wherein: o-shaped rings (34) are sleeved outside the expansion blocks (31).

7. The adjustable interval reversing brake lever according to claim 5, wherein: the number of the expansion blocks (31) is three.