CN212685558U

CN212685558U - Brake self-locking handle

Info

Publication number: CN212685558U
Application number: CN202021404120.5U
Authority: CN
Inventors: 朱毅文; 黄忆军
Original assignee: Nanning Thai Public Engineering Machinery Co ltd
Current assignee: Nanning Thai Public Engineering Machinery Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-03-12
Anticipated expiration: 2030-07-16

Abstract

The utility model discloses a brake self-locking handle, which comprises a handle seat, wherein a holding tube is fixedly arranged on the handle seat, an installation through hole is arranged at the middle position of the handle seat, and the hollow part of the holding tube is communicated with the installation through hole; a plurality of brake teeth are wound on the handle seat by taking the mounting through hole as an axis; an installation shaft is fixedly arranged in the installation through hole, and a positioning hole is formed in the installation shaft; a locking rod is sleeved in the holding tube, and one end of the locking rod, which is close to the handle seat, is in contact with the mounting shaft; the free end of the holding tube is provided with a self-locking spring which is contacted with the locking rod. The position of the handle seat can be automatically locked under the control of the self-locking spring by arranging the locking rod inside the holding tube, so that the condition of accidents caused by misoperation is avoided, and potential safety hazards are eliminated.

Description

Brake self-locking handle

Technical Field

The utility model belongs to the technical field of mechanical brake structure, especially, belong to a brake auto-lock handle.

Background

At rail transport's transport vechicle overhead, can be provided with brake lever usually to in-process braking to the transport vechicle, current brake lever is at the in-process that uses, because handle position easy contact, mistake bump, often appear because of the maloperation causes the unexpected braking of locomotive, or the condition of unexpected unblock, have the potential safety hazard, influence the normal use of device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: provides a brake self-locking handle with a self-locking function.

The utility model adopts the technical scheme as follows:

a brake self-locking handle comprises a handle seat, wherein a holding tube is fixedly arranged on the handle seat, an installation through hole is formed in the middle of the handle seat, and the hollow part of the holding tube is communicated with the installation through hole; a plurality of brake teeth are wound on the handle seat by taking the mounting through hole as an axis; an installation shaft is fixedly arranged in the installation through hole, and a positioning hole is formed in the installation shaft; a locking rod is sleeved in the holding tube, and one end of the locking rod, which is close to the handle seat, is in contact with the mounting shaft; the free end of the holding tube is provided with a self-locking spring which is contacted with the locking rod. The setting of installation axle, a rotation connection is on equipment for with the handle seat, the setting of a plurality of brake teeth, then can be through the rotation/braking of handle seat to the device output shaft, control, the hollow department locking pole of holding rod reaches and sets up with installation through-hole intercommunication, under the state of not controlling, the auto-lock spring can promote the locking pole towards the handle seat, make locking pole front end and installation axle contact, in order to reach the purpose of auto-lock, avoid appearing the condition that the user carries out the maloperation to the handle, improve device's stability.

Preferably, a handle head is fixedly arranged at the free end of the holding tube, a pressure spring groove is formed in the handle head, the self-locking spring is arranged in the pressure spring groove, a self-locking column is arranged at one end, far away from the handle seat, of the locking rod, and the self-locking column is sleeved in the self-locking spring. The setting of the pressure spring groove in the handle head can exert a force towards the handle seat on the locking rod all the time to guarantee the self-locking effect, and the setting of the self-locking column can be sleeved inside the self-locking spring to avoid the self-locking spring to be separated from the self-locking column.

Preferably, one end of the locking rod, which is close to the self-locking column, is provided with a pin hole, the grip tube is further sleeved with a handle ring block, the handle ring block is provided with a through hole matched with the pin hole, and the handle ring block is fixed with the self-locking column through a pin shaft. The handle ring block is fixed with the locking rod through the pin shaft, and the position of the locking rod can be controlled through the sliding of the handle ring block, so that the locking rod can be conveniently withdrawn from the mounting through hole when the self-locking handle is required to be adjusted, and the control effect is achieved.

Preferably, the free end of the holding tube is provided with a sliding shaft through groove, and the sliding shaft through groove is suitable for placing the pin shaft. The arrangement of the through groove of the sliding shaft can avoid the pin shaft connected with the handle ring block and the locking rod, so that the pin shaft can freely deviate along the pipe holding direction, and the use effect is ensured.

Preferably, the outer side of the handle head faces the enclosing plate which is arranged on the holding tube in a downward extending mode, the handle ring block is sleeved in the enclosing plate, and a limiting convex block is further arranged at one end, far away from the handle head, of the handle ring block. The setting of bounding wall can be established handle ring piece cover in the handle head, avoids handle ring piece disengaging device, and the setting of spacing lug then can avoid the handle ring piece to get into the bounding wall inner wall, and the operation is held in the influence.

Preferably, the free end of the holding tube is provided with an external thread, and the handle head is provided with an internal thread hole matched with the external thread. The holding tube is connected with the bolt of the handle head, so that the connecting effect can be ensured, and meanwhile, the handle is convenient to disassemble and assemble and high in practicability.

Preferably, the handle seat is further provided with an auxiliary rod, and the auxiliary rod is fixedly connected with the handle seat. The setting of auxiliary rod can be too big at holding rod skew angle, when handheld inconvenience, plays auxiliary control's effect, the operation of being convenient for.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the setting of the inside locking pole of holding tube, can be under the control of self-locking spring the position of automatic lock solid handle seat, avoid the operator to appear the condition of maloperation in the course of the work, improve the stability of device, get rid of the potential safety hazard.

2. The utility model discloses in, through the setting of handle ring piece, locking pole and round pin axle, can control the position of locking pole through the slip of handle ring piece to withdraw from the installation through-hole with the locking pole when needs are adjusted the auto-lock handle, in order to reach active control's purpose.

3. The utility model discloses in, through the setting of bounding wall, can wrap up the free end of locking pole and the top of handle ring piece, avoid in the motion process debris get into the influence and use, spacing lug then can avoid the handle ring piece whole to slide into in the bounding wall on the handle ring piece, guarantees that the user can carry out active control to the state of locking pole all the time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic cross-sectional view of fig. 1.

Fig. 3 is an enlarged schematic view of the area a in fig. 2.

Fig. 4 is a schematic structural view of the middle handle ring block of the present invention.

Fig. 5 is a schematic sectional view of the handle head of the present invention.

Fig. 6 is a schematic structural view of the middle holding rod of the present invention.

Fig. 7 is a schematic structural view of the top end of the locking rod of the present invention.

The labels in the figure are: 1-handle seat, 2-holding tube, 3-installation through hole, 4-brake tooth, 5-locking rod, 6-self-locking spring, 7-handle head, 8-compression spring groove, 9-self-locking column, 10-pin hole, 11-handle ring block, 12-through hole, 13-pin shaft, 14-sliding shaft through groove, 15-coaming plate, 16-limit lug, 17-external thread, 18-internal thread hole and 19-auxiliary rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be 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. Also, 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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

As shown in fig. 1-7, a brake self-locking handle comprises a handle seat 1, wherein a grip tube 2 is fixedly arranged on the handle seat 1, an installation through hole 3 is formed in the middle of the handle seat 1, and the hollow part of the grip tube 2 is communicated with the installation through hole 3; a plurality of brake teeth 4 are wound on the handle seat 1 by taking the mounting through hole 3 as an axis; an installation shaft is fixedly arranged in the installation through hole 3, and a positioning hole is formed in the installation shaft; a locking rod 5 is sleeved in the holding tube 2, and one end of the locking rod 5, which is close to the handle seat 1, is in contact with the mounting shaft; the free end of the holding tube 2 is provided with a self-locking spring 6 which is contacted with the locking rod 5.

Specifically, as shown in fig. 1, 2, 3 and 4, a handle head 7 is fixedly arranged at the free end of the holding tube 2, a pressure spring groove 8 is formed in the handle head 7, the self-locking spring 6 is arranged in the pressure spring groove 8, a self-locking column 9 is arranged at one end of the locking rod 5, which is far away from the handle seat 1, and the self-locking column 9 is sleeved in the self-locking spring 6.

Specifically, as shown in fig. 3, 4 and 7, a pin hole 10 is formed in one end, close to the self-locking column 9, of the locking rod 5, a handle ring block 11 is further sleeved outside the holding tube 2, a through hole 12 matched with the pin hole 10 is formed in the handle ring block 11, and the handle ring block 11 is fixed to the self-locking column 9 through a pin shaft 13.

Specifically, as shown in fig. 6, a sliding shaft through groove 14 is formed at the free end of the grip tube 2, and the sliding shaft through groove 14 is suitable for placing the pin 13.

Specifically, as shown in fig. 3 and 5, a surrounding plate 15 extends downwards from the outer side of the handle head 7 towards the grip tube 2, the handle ring block 11 is sleeved in the surrounding plate 15, and a limiting projection 16 is further arranged at one end, far away from the handle head 7, of the handle ring block 11.

Specifically, as shown in fig. 3, 5 and 6, the free end of the grip tube 2 is provided with an external thread 17, and the handle head 7 is provided with an internal thread hole 18 matched with the external thread 17.

Specifically, as shown in fig. 1 and 2, the handle seat 1 is further provided with an auxiliary rod 19, and the auxiliary rod 19 is fixedly connected with the handle seat 1.

In the use process, when a user loosens the control on the handle, the self-locking spring 6 in the handle head 7 applies a pushing force towards the handle seat 1 to the locking rod 5 through the self elastic force, so that the end part of the locking rod 5 is pushed to be in contact with the mounting shaft, the handle seat 1 is prevented from rotating along the mounting shaft, and the purpose of self-locking is achieved (the user is prevented from misoperation).

When need control brake lever, only need hand handle ring piece 11 and orientation handle head 7 promotes, and handle ring piece 11 drives locking pole 5 through round pin axle 13 and removes for 5 tip of locking pole break away from with the installation axle, leave the auto-lock state, can hand handle head 7 and rotate handle seat 1 this moment, with the cooperation state of adjusting brake tooth 4, control braking effect, convenient to use, the practicality is strong.

In the installation process, the handle ring block 11 is connected with the locking rod 5 only through the pin shaft 13, then the other end of the locking rod 5 is pushed into the holding rod through the threaded end of the holding tube 2, then the handle ring block 11 is sleeved with the holding rod until the pin shaft 13 enters the sliding shaft through groove 14, finally the self-locking spring 6 is placed in the pressure spring groove 8 of the handle head 7, and the handle head 7 is in threaded fit with the holding rod (the self-locking spring 6 is required to be sleeved with the self-locking column 9 in the matching process).

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a brake auto-lock handle, includes handle seat (1), its characterized in that, handle seat (1) is last to set firmly holding tube (2), wherein:

a mounting through hole (3) is formed in the middle of the handle seat (1), and the hollow part of the holding tube (2) is communicated with the mounting through hole (3);

a plurality of brake teeth (4) are wound on the handle seat (1) by taking the mounting through hole (3) as an axis;

an installation shaft is sleeved in the installation through hole (3);

a locking rod (5) is sleeved in the holding tube (2), and one end of the locking rod (5) close to the handle seat (1) is arranged in contact with the mounting shaft;

the free end of the holding tube (2) is provided with a self-locking spring (6) which is contacted with the locking rod (5).

2. The brake self-locking handle according to claim 1, wherein a handle head (7) is fixedly arranged at the free end of the holding tube (2), a compression spring groove (8) is arranged in the handle head (7), the self-locking spring (6) is arranged in the compression spring groove (8), a self-locking column (9) is arranged at one end of the locking rod (5) far away from the handle seat (1), and the self-locking column (9) is sleeved in the self-locking spring (6).

3. The brake self-locking handle according to claim 2, wherein a pin hole (10) is formed in one end, close to the self-locking column (9), of the locking rod (5), a handle ring block (11) is further sleeved outside the holding tube (2), a through hole (12) matched with the pin hole (10) is formed in the handle ring block (11), and the handle ring block (11) and the self-locking column (9) are fixed through a pin shaft (13).

4. The brake self-locking handle according to claim 3, wherein the free end of the grip tube (2) is provided with a sliding shaft through groove (14), and the sliding shaft through groove (14) is suitable for placing the pin shaft (13).

5. The brake self-locking handle according to claim 3, wherein a surrounding plate (15) extends downwards from the outer side of the handle head (7) towards the grip tube (2), the handle ring block (11) is sleeved in the surrounding plate (15), and a limiting convex block (16) is further arranged at one end of the handle ring block (11) far away from the handle head (7).

6. The brake self-locking handle according to claim 2, wherein the free end of the grip tube (2) is provided with an external thread (17), and the handle head (7) is provided with an internal threaded hole (18) matched with the external thread (17).

7. The brake self-locking handle according to any one of claims 1 to 6, wherein the handle base (1) is further provided with an auxiliary rod (19), and the auxiliary rod (19) is fixedly connected with the handle base (1).