CN217048941U

CN217048941U - Dislocation pull rod

Info

Publication number: CN217048941U
Application number: CN202220274964.5U
Authority: CN
Inventors: 郑成果; 王翊槐; 程瑶
Original assignee: Lanxi Jieke Sports Apparatus Manufacturing Co ltd
Current assignee: Lanxi Jieke Sports Apparatus Manufacturing Co ltd
Priority date: 2022-02-10
Filing date: 2022-02-10
Publication date: 2022-07-26
Anticipated expiration: 2032-02-10

Abstract

The utility model discloses a dislocation pull rod, it is limited to aim at solving traditional pull rod swing angle, influences the suitability of clamp, and influences the problem of brake wiring smooth and easy degree, which comprises a housin, the casing is provided with one side open-ended interior drive space, and rotates in the interior drive space and installs the interior drive pull rod that initial work position is A position, spacing work position is D position, the biggest interior drive angle is alpha, one end of interior drive pull rod extends interior drive space and misplaces and installs the exterior drive pull rod that initial work position is C position, spacing work position is B position, the biggest exterior drive angle is gamma, the angle between C position and A position is the dislocation delay angle that the exterior drive pull rod compared interior drive pull rod; the outer driving pull rod is rotatably installed on the top wall of the shell through a fixing pin, and a wire clamping block is detachably installed on the outer driving pull rod through a wire pressing screw. The utility model discloses be particularly useful for the brake application of bicycle, have higher social use value and application prospect.

Description

Dislocation pull rod

Technical Field

The utility model relates to a bicycle spare part technical field, concretely relates to dislocation pull rod.

Background

The brake triggering of the existing bicycle adopts the shape of a pull rod, the existing pull rod mainly comprises two types, the first type is an internal drive pull rod, and referring to fig. 5, the working angle range alpha of the internal drive pull rod 20 is smaller due to the limitation of a clamp body;

the second is that the inner driving pull rod is directly connected with the outer driving pull rod, referring to fig. 6, the inner driving pull rod 20 and the outer driving pull rod 40 are superposed with the limitation of the working environment and are limited by the position of the threading pin 30, the working angle range β of the outer driving pull rod 40 is smaller, even in some occasions, in order to ensure smooth threading, the position of the threading pin 30 may be closer to the outer driving pull rod 40 than the position in fig. 6, and the working angle range β of the outer driving pull rod 40 is further reduced.

In order to improve the adaptability of the clamp and increase the swing angle of the pull rod, a dislocation pull rod is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve or at least alleviate the problem that exists among the prior art.

The utility model provides a dislocation pull rod, including the casing as the installation base member, the casing embeds one side open-ended interior drive space, and rotate in the interior drive space and install the interior pull rod that initial work position is A position, spacing work position is D position, the biggest interior angle of driving is alpha, the one end of interior pull rod extends interior drive space and the dislocation is installed the exterior pull rod that initial work position is C position, spacing work position is B position, the biggest exterior angle of driving is gamma, the angle between C position and A position is the dislocation back angle that the exterior pull rod compared interior pull rod;

the outer driving pull rod is rotatably installed on the top wall of the shell through a fixing pin, and a wire clamping block is detachably installed on the outer driving pull rod through a wire pressing screw and used for fixedly drawing a brake cable rotating the outer driving pull rod.

Optionally, the inner driving pull rod comprises an inner driving rod body rotatably mounted in the inner driving space and an inner driving side rod body integrally formed on the side wall of the inner driving rod body and extending upwards and vertically.

Optionally, the outer drive pull rod includes that the last body of rod and integrated into one piece installed on the casing roof rotate through the fixed pin and the outer side body of rod that drives that misplaces downwardly extending on last body of rod lateral wall, and the joint groove that is used for the joint inner drive side body of rod is offered to the bottom inboard of the outer side body of rod that drives.

Optionally, a housing seat portion for fixing the housing to the vehicle body by a screw is integrally formed on a side wall of the housing.

Optionally, a threading pin for brake cable introduction and protection is provided on the side wall of the housing.

Optionally, the maximum working angle α of the inner drive link is 50 ° to 100 °.

Optionally, the maximum in-drive angle is α ≦ maximum out-drive angle γ.

The utility model discloses mainly possess following beneficial effect:

1. the utility model discloses an outer drive pull rod and interior drive pull rod dislocation connection design, the different originated angle of outer drive pull rod and interior drive pull rod has, because the outer drive pull rod is compared and is driven the pull rod dislocation and prolong a dislocation angle in, the outer drive side lever body that extends through the dislocation makes outer drive pull rod and interior drive pull rod be connected, can drive the biggest work angle alpha of pull rod design in the make full use of, and avoid the interference of threading round pin, solve the little problem of traditional pull rod swing angle and pull open the distance between threading screw and the line ball screw, improve the brake and walk the line smooth and easy degree.

Drawings

The above features, technical features, advantages and modes of realisation of an offset tie are described in more detail below in a clearly understandable manner, with reference to the accompanying drawings, which illustrate preferred embodiments.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a structural exploded view of the inner drive rod and the outer drive rod of the present invention;

fig. 3 is a first structural plan view of the present invention;

fig. 4 is a second structural plan view of the present invention;

FIG. 5 is a schematic view of a motion structure of a prior art inner drive link;

fig. 6 is a schematic view of a motion structure of an external drive pull rod in the prior art.

In the figure: the cable-free end cover comprises a shell 10, an inner drive space 101, a shell seat portion 102, an inner drive pull rod 20, an inner drive rod body 201, an inner drive side rod body 202, a threading pin 30, an outer drive pull rod 40, an upper rod body 401, an outer drive side rod body 402, a clamping groove 403, a fixing pin 50, a cable clamping block 60 and a cable pressing screw 70.

Detailed Description

The invention will be further described with reference to the following figures 1-6 and examples:

example 1

The utility model provides a dislocation pull rod, including the casing 10 as the installation base member, casing 10 embeds there is one side open-ended interior space 101 of driving, and rotate in the interior space 101 of driving and install the interior pull rod 20 that the initial work position is A position, spacing work position is D position, the biggest interior angle of driving is alpha, the biggest work angle alpha of interior pull rod 20 is 50-100, one end of interior pull rod 20 extends interior space 101 and the dislocation is installed the exterior pull rod 40 that the initial work position is C position, spacing work position is B position, the biggest exterior angle of driving is gamma, the angle between C position and A position is the dislocation back angle that exterior pull rod 40 compares interior pull rod 20, and the biggest interior angle of driving is alpha and is not more than the biggest exterior angle gamma of driving;

in this embodiment, as shown in fig. 1 and 2, the inner driving rod 20 includes an inner driving rod 201 rotatably installed in the inner driving space 101 and an inner driving side rod 202 integrally formed on a side wall of the inner driving rod 201 and extending vertically upward;

in this embodiment, as shown in fig. 1 to 4, the externally-driven pull rod 40 is rotatably mounted on the top wall of the housing 10 through a fixing pin 50, a wire clamping block 60 is detachably mounted on the externally-driven pull rod 40 through a wire pressing screw 70 for fixing a brake wire for pulling the externally-driven pull rod 40 to rotate, a threading pin 30 for introducing and protecting the brake wire is disposed on the side wall of the housing 10, and in this embodiment, the threading pin 30 is fixed on the side wall of the housing 10 through a threading screw; referring to fig. 2, the externally-driven pull rod 40 includes an upper rod 401 rotatably mounted on the top wall of the casing 10 by a fixing pin 50, and an externally-driven side rod 402 integrally formed on the side wall of the upper rod 401 and extending downwards in a staggered manner, and a clamping groove 403 for clamping the internally-driven side rod 202 is formed on the inner side of the bottom end of the externally-driven side rod 402;

in this embodiment, referring to fig. 3-4, the design of the connection between the externally-driven pull rod 40 and the internally-driven pull rod 20 in a staggered manner has different initial angles between the externally-driven pull rod 40 and the internally-driven pull rod 20, the upper rod 401 of the externally-driven pull rod 40 is initially located at C, the internally-driven side rod 202 of the internally-driven pull rod 20 is initially located at a, and the externally-driven pull rod 40 is staggered and extended by a staggered angle compared with the internally-driven pull rod 20, so that the externally-driven pull rod 40 is connected with the internally-driven pull rod 20 through the externally-driven side rod 402 extending in a staggered manner, the maximum working angle α designed for the internally-driven pull rod 20 can be fully utilized, the interference of the threading pin 30 is avoided, the problem of small swing angle of the conventional pull rod is solved, the distance between the threading screw and the line pressing screw 70 is shortened, and the smoothness of brake routing is improved.

Example 2

The present embodiment is different from embodiment 1 in that, as shown in fig. 1 to 4, a housing seat 102 for fixing the housing 10 to the vehicle body by screws is integrally formed on the side wall of the housing 10, so as to ensure the fixed mounting of the housing 10 on the vehicle body.

Other undescribed structures refer to example 1.

According to the utility model discloses above-mentioned embodiment's dislocation pull rod.

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The dislocation pull rod comprises a shell (10) serving as an installation base body, and is characterized in that an inner drive space (101) with an opening on one side is arranged in the shell (10), an inner drive pull rod (20) with an initial working position of A, a limiting working position of D and a maximum inner drive angle of alpha is rotatably installed in the inner drive space (101), one end of the inner drive pull rod (20) extends out of the inner drive space (101) and is provided with an outer drive pull rod (40) with an initial working position of C, a limiting working position of B and a maximum outer drive angle of gamma in a dislocation way, and the angle between the C position and the A position is the dislocation delay angle of the outer drive pull rod (40) compared with the inner drive pull rod (20);

the outer driving pull rod (40) is rotatably installed on the top wall of the shell (10) through a fixing pin (50), and a wire clamping block (60) is detachably installed on the outer driving pull rod (40) through a wire pressing screw (70) and used for fixedly drawing a brake cable rotating the outer driving pull rod (40).

2. The dislocation drawbar of claim 1, wherein: the inner drive pull rod (20) comprises an inner drive rod body (201) rotatably installed in the inner drive space (101) and an inner drive side rod body (202) which is integrally formed on the side wall of the inner drive rod body (201) and extends upwards and vertically.

3. The malposition tie of claim 2, wherein: the outer drive pull rod (40) comprises an upper rod body (401) and an outer drive side rod body (402), wherein the upper rod body (401) and the outer drive side rod body are rotatably installed on the top wall of the shell (10) through fixing pins (50), the outer drive side rod body (401) is integrally formed on the side wall of the upper rod body (401) and extends downwards in a staggered mode, and a clamping groove (403) used for clamping the inner drive side rod body (202) is formed in the inner side of the bottom end of the outer drive side rod body (402).

4. The dislocated pull rod of claim 1, wherein: a shell seat part (102) used for fixing the shell (10) on a vehicle body through a screw is integrally formed on the side wall of the shell (10).

5. The dislocated pull rod of claim 1, wherein: the side wall of the shell (10) is provided with a threading pin (30) for introducing and protecting a brake cable.

6. The dislocated pull rod of claim 1, wherein: the maximum working angle alpha of the inner driving pull rod (20) is 50-100 degrees.

7. The dislocated pull rod of claim 6, wherein: the maximum internal driving angle alpha is less than or equal to the maximum external driving angle gamma.