CN218381615U - Hand brake test fixture - Google Patents

Abstract

The utility model discloses a manual brake test fixture, the cover is located on the manual brake handle, manual brake test fixture is including cup jointing the subassembly, along cup jointing the outside extension that extends of subassembly one end, and keep away from along the extension and cup joint the outside handheld portion that extends of subassembly one end, cup joint subassembly one end and offer the cover connecting groove that is used for holding manual brake handle, according to the last cover connecting assembly of manual brake test fixture, the design of extension and handheld portion, can extend manual brake handle use length, and according to lever principle behind extension manual brake handle apart from manual brake pivot interval, the pulling dynamics when having effectively reduced operation workman back-pull manual brake handle, alleviate working strength and improve the test production efficiency of manual brake simultaneously, the frequent pulling test manual brake of present manual brake test needs assembly and debugging workman has been solved, very easily cause arm fatigue damage problem.

Description

Hand brake test fixture

Technical Field

The utility model relates to an automobile tooling tests technical field, in particular to manual brake test fixture.

Background

The manual brake is called as an auxiliary brake in the profession, and is different from the principle of the brake, and a steel wire pull wire is connected to a rear brake shoe to brake a vehicle.

At present, most commercial truck leather trucks and light trucks still mostly use mechanical hand brakes, and after the mechanical hand brakes are installed and debugged, the mechanical hand brakes need to be pulled back and forth for four times to eliminate residual stress in metal parts such as handles, parking cables and brake shoes in a parking system. The installation and debugging of the hand brake are ensured to be in place, and the safety and the reliability are ensured.

For an assembly and debugging worker in the conventional hand brake testing process, the workload caused by the rise of the yield of the assembly and debugging worker is relatively increased, so that the assembly and debugging worker is very easy to cause arm fatigue damage in the frequent pulling and testing hand brake process.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a manual brake test fixture aims at solving among the prior art assembly and debugging workman and very easily causes the problem of arm fatigue damage at frequent pulling test manual brake in-process.

The utility model provides a manual brake test fixture, the cover is located on the manual brake handle, manual brake test fixture is including cup jointing the subassembly, following cup joint the outside extension that extends of subassembly one end, and follow the extension is kept away from cup joint the outside handheld portion that extends of subassembly one end, cup joint subassembly one end and offer and be used for the holding hand brake handle cup joint the groove, cup joint the subassembly including the solid fixed cylinder, follow the outside clamping part that extends of solid fixed cylinder one end and follow the wall that bulldozes that the periphery of clamping part outwards extends, the solid fixed cylinder periphery is provided with solid wall, the cover connects the groove to set up in the solid fixed cylinder.

The hand brake testing tool is sleeved on a hand brake handle to be tested through the sleeving groove by an operator, the fastener can be rotated clockwise, the inner side thread of the fastening cylinder and the outer surface thread of the fastening wall are in transmission, the fastener is controlled to move towards the pushing wall, the fastening cylinder is continuously rotated to enable the pushing cylinder to be in contact with the pushing wall to abut against the pushing wall, when the pushing cylinder continuously moves towards the pushing wall, the inner wall of the pushing cylinder can generate inward acting force on the pushing wall, the pushing wall drives the clamping part to move towards the inner side, so that the clamping part is axially folded, the hand brake handle is fixed, according to the design of the sleeving assembly, the extending part and the hand-held part on the hand brake testing tool, the service length of the hand brake handle can be increased, after the distance between the hand brake handle and the hand brake rotating shaft is increased according to the lever principle, the pulling operation of the operator on the hand brake handle is convenient, the operation process effectively reduces the pulling force when the operator pulls back the hand brake handle, the work intensity is reduced, the testing production efficiency of the hand brake handle is improved, the problem that the hand brake handle is frequently pulled and tested and damaged by the assembling and the hand brake is very easily tested is solved.

Additionally, according to the utility model provides a manual brake test fixture can also have following additional technical characteristics:

furthermore, at least one deformation groove is formed in the clamping part and used for providing a deformation space for the clamping part.

Further, a fastening piece is movably connected to the periphery of the fastening wall, and the fastening piece moves towards the direction close to and away from the pushing wall.

Further, the fastener comprises a fastening barrel connected with the fastening wall and a pushing barrel extending outwards along one end of the fastening barrel and approaching to and far away from the pushing wall.

Further, the fastening cylinder is in threaded connection with the fastening wall.

Further, the outer diameter of the pushing wall gradually increases from one end close to the fastening wall to the other end far away from the fastening wall.

Furthermore, at least one anti-skid part which is abutted against the hand brake handle extends inwards from the inner side of the sleeve groove.

Drawings

Fig. 1 is a schematic structural view of a handbrake test fixture provided in an embodiment of the present invention;

fig. 2 isbase:Sub>A schematic cross-sectional view ofbase:Sub>A positionbase:Sub>A-base:Sub>A in the handbrake test fixture provided in the embodiment of the present invention;

fig. 3 is a schematic view of a cross-sectional structure of a fastener in a handbrake test fixture provided in an embodiment of the present invention.

Description of the main element symbols:

the following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for purposes of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1 to 3, which illustrate the hand brake testing tool in the embodiment of the present invention, the hand brake handle is sleeved with the cover, the hand brake testing tool includes a sleeve component 1, an extending portion 2 extending outward along one end of the sleeve component 1, and a hand-held portion 3 extending outward along one end of the extending portion 2, the sleeve groove 4 for accommodating the hand brake handle is provided at one end of the sleeve component 1, and the hand-held portion 3, the sleeve component 1, the extending portion 2 and the hand-held portion are used for lengthening the length of the hand brake handle.

It should be noted that, the hand brake testing process in this embodiment belongs to a debugging scenario after the hand brake is installed, and this scenario is limited only after the hand brake is installed, and the brake button is not installed on the hand brake handle, so that it is not necessary to consider the problem that the brake button on the hand brake handle needs to be pressed when the hand brake is put down during the testing process performed on the hand brake testing tool set and the hand brake handle.

When concrete implementation, operation workman accessible cup joints groove 4 with manual brake test fixture cover establish on the manual brake handle of required test, and cup joint subassembly 1 on the manual brake test fixture, extension 2 and handheld portion 3's design, can increase manual brake handle service length, and according to lever principle behind extension manual brake handle apart from manual brake pivot interval, the pulling dynamics when effectively having reduced operation workman back-pull manual brake handle, alleviate working strength and improve the test production efficiency of manual brake simultaneously, it needs the frequent pulling test manual brake of assembly workman to have solved present manual brake test, very easily cause arm fatigue damage problem.

In addition, in some optional embodiments of the present invention, the socket joint component 1 includes a fixed cylinder 11, a clamping portion 12 extending outward along one end of the fixed cylinder 11, and a pressing wall 13 extending outward along the periphery of the clamping portion 12, the periphery of the fixed cylinder 11 is provided with a fastening wall 16, a socket joint groove 4 is opened in the fixed cylinder 11, the periphery of the fastening wall 16 is movably connected with a fastening member 17, the fastening member 17 moves toward and away from the pressing wall 13, the fastening member 17 includes a fastening cylinder 171 connected with the fastening wall 16 and a pressing cylinder 172 extending outward along one end of the fastening cylinder 171 toward and away from the pressing wall 13, the fastening cylinder 171 is in threaded connection with the fastening wall 16, the outer diameter of the pressing wall 13 gradually increases from one end close to the fastening wall 16 to the other end away from the fastening wall 16, and at least one anti-slip portion 14 abutting against the hand brake handle extends inward inside the socket joint groove 4;

it should be noted that, in order to improve the stability of the connection between the socket component 1 and the hand brake handle, a fastening component may be further disposed on the socket component 1, wherein the fastening component includes a fastening member 17, a fastening wall 16 in threaded connection with the fastening member 17, and a pushing wall 13 and a clamping portion 12 which are abutted against each other and deformed by the fastening member 17 during threaded transmission with the fastening wall 16, wherein at least one deformation groove 15 is formed on the clamping portion 12 to provide a deformation space required by the clamping portion 12;

in specific implementation, after an operator sleeves the sleeve component 1 on the hand brake handle through the sleeve groove 4, the fastening member 17 can be rotated clockwise to enable the inner thread of the fastening cylinder 171 and the outer thread of the fastening wall 16 to transmit each other, and the fastening member 17 is controlled to move towards the pushing wall 13, the fastening cylinder 17 is continuously rotated to enable the pushing cylinder 172 and the pushing wall 13 to contact and abut against each other, and when the pushing cylinder 172 continuously moves towards the pushing wall 13, according to the shape design of the pushing wall 13, the inner wall of the pushing cylinder 172 can generate an inward acting force on the pushing wall 13, so that the pushing wall 13 drives the clamping part 12 to move inwards, and meanwhile, the clamping part 12 can be axially folded through the deformation space provided for the clamping part 12 by the deformation groove 15, so that the outer surface of the hand brake handle embedded inside abuts against, and the hand brake handle is fixed, so as to improve the firmness degree of the joint of the sleeve component 1 and the hand brake handle, prevent the situation that the sleeve component 1 and the hand brake handle are easily loosened repeatedly due to unstable connection between the sleeve component 1 and the hand brake handle in the process of repeatedly pulling the hand brake handle to reduce the testing efficiency, further improve the adaptation degree between the sleeve component 1 and the hand brake handle to a certain degree according to the design of deformation and clamping of the clamping part 12, and is suitable for the installation and use of the hand brake handles with different outer diameters, thereby improving the application range of the hand brake testing tool, and finally, the inner side of the clamping part 12 is also provided with an anti-slip part 14, wherein the protective part 14 can be made of rubber materials, and has better anti-slip and protective effects according to the rubber materials, the tightness degree of the hand brake handle when the hand brake handle is contacted with the inner wall of the clamping part 12 can be increased, and the purpose of protecting the outer surface of the hand brake handle against contact is achieved at the same time, the hand brake handle and the inner wall of the clamping part 12 are prevented from colliding and wearing in the testing process.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (7)

1. The utility model provides a manual brake test fixture, the cover is located on the manual brake handle, its characterized in that: the hand brake test fixture comprises a sleeve joint component, an extension part and a handheld part, wherein the extension part extends outwards from one end of the sleeve joint component, the handheld part is far away from the extension part, a sleeve joint groove used for containing the hand brake handle is formed in one end of the sleeve joint component, the sleeve joint component comprises a fixed cylinder, a clamping part and a pushing wall, the clamping part extends outwards from one end of the fixed cylinder, the pushing wall extends outwards from the periphery of the clamping part, a fastening wall is arranged on the periphery of the fixed cylinder, and the sleeve joint groove is formed in the fixed cylinder.

2. The hand brake test fixture of claim 1, characterized in that: the clamping part is provided with at least one deformation groove, and the deformation groove is used for providing a deformation space of the clamping part.

3. The hand brake test tool according to claim 2, characterized in that: and a fastening piece is movably connected to the periphery of the fastening wall and moves towards the direction close to and far away from the pushing wall.

4. The hand brake test fixture of claim 3, characterized in that: the fastener comprises a fastening barrel connected with the fastening wall and a pushing barrel extending outwards along one end of the fastening barrel and approaching and far away from the pushing wall.

5. The hand brake test tool according to claim 4, characterized in that: the fastening cylinder is in threaded connection with the fastening wall.

6. The hand brake test tool according to claim 3, characterized in that: the outer diameter of the pushing wall is gradually increased from one end close to the fastening wall to the other end far away from the fastening wall.

7. The hand brake test tool according to claim 1, characterized in that: at least one anti-slip part which is abutted against the hand brake handle is inwards extended from the inner side of the sleeving groove.

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