Durable clutch shifting fork

Abstract

The utility model discloses a durable clutch shifting fork, which belongs to the technical field of engine parts, solves the problems that a fork arm of an existing device is extremely easy to wear after being used for a long time and is short in service life, and comprises a shifting fork body which is formed by combining a shifting fork seat, a connecting block and the fork arm, threaded holes distributed in an array mode are symmetrically formed in the top face and the bottom face of the fork arm, semicircular protection pads are symmetrically arranged on the top face and the bottom face of the fork arm, the surfaces of the protection pads make contact with the driven gear, and then the driven gear is pushed to be meshed with the driving gear. The situation that the shifting fork body directly makes contact with the driven gear and is abraded is avoided, the purpose of prolonging the service life of the shifting fork body is achieved, when the protective pad is damaged due to long-term friction with the driven gear, the flat head cross screw can be screwed out from the interiors of the threaded hole and the third connecting hole, then the protective pad is detached and replaced, and therefore the service life of the shifting fork body is prolonged. And the purpose of conveniently disassembling and replacing the protective pad is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of engine parts, concretely is a durable clutch yoke. BACKGROUND

[0002] In the engine gearbox operating mechanism, the yoke needs to be moved on the shaft to drive the gear meshing or separation, so that the driven gear meshes with the driving gear of different transmission ratio, and then the gear shifting operation of the clutch is realized.

[0003] Through the search, the application number CN201922265387.4 application book discloses an automobile yoke, which comprises a yoke body, a yoke hole is arranged on the yoke body, the yoke hole is located at the upper end of the yoke body, the outer side wall of the yoke hole is connected with the yoke body and is provided with a reinforcing rib, the reinforcing rib is located on both sides of the yoke hole, the lower end of the yoke body is provided with a fork arm, two fork arms are arranged on both sides of the yoke body and extend in the same direction, the end of the fork arm is provided with a guide sliding hook, the guide sliding hook comprises an arm and a hook arranged on the arm, the arm is connected with the end of the fork arm and is perpendicular to the fork arm, the arm extends towards the fork arm on the opposite side, the hook is arranged perpendicular to the fork arm, and the hook extends towards the yoke hole.

[0004] Although the automobile yoke can realize the guidance and limiting of the yoke through the guide sliding hook, prevent the yoke from falling off the shaft, ensure the straightness of the yoke movement and the connection fastness, and ensure the gear shifting efficiency of the gearbox, the fork arm of the automobile yoke needs to be repeatedly contacted and rubbed with the surface of the driving gear when pushing the driving gear, and the fork arm is easily worn after long-term use, so the service life is short.

[0005] Therefore, we propose a durable clutch yoke. UTILITY MODEL CONTENTS

[0006] In view of the defects of the prior art, the utility model provides a durable clutch yoke, which solves the problem that the fork arm of the existing device is easily worn after long-term use and has a short service life.

[0007] In order to achieve the above object, the utility model discloses a durable clutch yoke through the following technical schemes, comprising yoke body, the yoke body is combined by yoke seat, connecting block and fork arm, the top surface and bottom surface of fork arm are opened the array distribution's threaded hole symmetrically, the top surface and bottom surface of fork arm are provided with the half circular ring's protective pad symmetrically, the lateral surface of protective pad is opened the recess, the bottom surface of recess is opened the third connecting hole opposite with threaded hole position, the inside of third connecting hole is provided with flat head cross screw, flat head cross screw passes through third connecting hole and is screwed in the inside of threaded hole, the arc surface of protective pad inboard is greater than the arc surface of fork arm inboard.

[0008] Preferably, the threaded hole is provided with eight and is symmetrically distributed on the top surface and bottom surface of the fork arm, the top surface of the recess is provided with a clearance hole opposite to the third connecting hole and matching the size of the flat head cross screw, wherein the eight threaded holes facilitate the stability of the flat head cross screw fixing the protective pad, the flat head cross screw passes through the clearance hole, and the screwdriver passes through the clearance hole to tighten the flat head cross screw.

[0009] Preferably, the side surface of the yoke seat is provided with a shaft hole, the arc surface of the yoke seat is fixedly installed with the connecting block, and the side of the connecting block away from the yoke seat is provided with a detachable fork arm, wherein the worn fork arm can be replaced conveniently.

[0010] Preferably, the side of the connecting block away from the yoke seat is provided with a plug-in slot, the top surface of the connecting block is provided with a first connecting hole in communication with the plug-in slot, and the side of the fork arm is fixedly installed with a plug-in block matching the plug-in slot, wherein the plug-in block is clamped in the plug-in slot to connect the fork arm and the connecting block.

[0011] Preferably, the top surface of the plug-in block is provided with a second connecting hole opposite to the first connecting hole, and the inside of the first connecting hole and the second connecting hole is movably sleeved with a bolt, and the end of the bolt is screwed with a nut, wherein when the plug-in block is clamped in the plug-in slot, the bolt passes through the first connecting hole and the second connecting hole in sequence, and then the nut is screwed on the end of the bolt, so as to fix the plug-in block in the plug-in slot, and then fix the fork arm and the connecting block together.

[0012] Preferably, the top surface and bottom surface of the connecting block are fixedly installed with two symmetrically distributed supporting plates, one side of the supporting plate close to the yoke seat is fixedly installed on the arc surface of the yoke seat, and the both ends of the fork arm are fixedly sleeved with a bushing, wherein the supporting plate can increase the connection strength between the yoke seat and the connecting block, avoid the breakage or bending of the connecting block and the yoke seat, and the bushing can increase the anti-skid property and wear resistance of the both ends of the fork arm.

[0013] The utility model provides a durable clutch yoke. It has the following beneficial effects:

[0014] 1、 the durable clutch yoke, through the surface of the protective pad and driven gear contact, in turn, drive gear and driving gear meshing, avoid the yoke body direct and driven gear contact and wear and tear situation occurs, reached the purpose of increasing the yoke body service life, make the yoke body more durable, when the protective pad long -term and driven gear friction and damage, can use screwdriver to pass through the gap and take out the flat -head cross screw from the inside of the threaded hole and third connecting hole, then the protective pad is dismantled and changes, reaches the purpose that the protective pad is convenient to dismantle and change, solves the fork arm of prior art device after long -term use extremely easy to wear, and the service life is shorter's problem.

[0015] 2、 the durable clutch yoke, the connecting block and fork arm are installed together through bolt and nut, when the fork arm or yoke seat appears wear and tear, can unscrew the bolt, then the damaged component is replaced, the component after replacement and the original intact component are assembled together through bolt and nut, and the disassembly pre -assembly process is simple and convenient, saves the maintenance replacement cost of yoke body. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic diagram of the utility model;

[0017] Figure 2 It is the side view structure schematic diagram of the utility model;

[0018] Figure 3 It is the split structure schematic diagram of the utility model;

[0019] Figure 4 It is the protective pad structure schematic diagram of the utility model.

[0020] In the drawing: 1, yoke body;11, yoke seat;12, connecting block;13, first connecting hole;14, fork arm;15, plug -in block;16, second connecting hole;17, bolt;18, nut;19, threaded hole;2, support plate;3, protective pad;31, recess;32, gap;33, third connecting hole;34, flat -head cross screw;4, bushing. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] Example 1: As Figures 1-4 As shown: The fork body 1 comprises a fork seat 11, a connecting block 12, and a fork arm 14. The top and bottom surfaces of the fork arm 14 are symmetrically arranged with an array of threaded holes 19. A semi-circular protective pad 3 is symmetrically positioned on the top and bottom surfaces of the fork arm 14. A groove 31 is formed on the side of the protective pad 3. A third connecting hole 33, corresponding to the position of the threaded holes 19, is formed on the bottom surface of the groove 31. A flat-head Phillips head screw 34 is installed inside the third connecting hole 33, passing through the third connecting hole 33 and threaded into the threaded hole 19. The inner arc surface of the protective pad 3 is larger than the inner arc surface of the fork arm 14. A total of eight threaded holes 19 are provided and symmetrically distributed on the fork arm 14. The top and bottom surfaces of 4, the top surface of the groove 31 is provided with a clearance hole 32 that is opposite to the position of the third connecting hole 33 and matches the size of the flat-head cross screw 34. The surface of the protective pad 3 contacts the driven gear, and then pushes the driven gear to mesh with the driving gear, avoiding direct contact between the shift fork body 1 and the driven gear, thereby increasing the service life of the shift fork body 1 and making the shift fork body 1 more durable. When the protective pad 3 is damaged due to long-term friction with the driven gear, a screwdriver can be used to pass through the clearance hole 32 to unscrew the flat-head cross screw 34 from the inside of the threaded hole 19 and the third connecting hole 33, and then the protective pad 3 can be removed and replaced, thus achieving the purpose of facilitating the disassembly and replacement of the protective pad 3.

[0023] Example 2: Figures 1-3 As shown: A shaft hole is provided on the side of the shift fork seat 11. A connecting block 12 is fixedly installed on the arc surface of the shift fork seat 11. A detachable fork arm 14 is provided on the side of the connecting block 12 away from the shift fork seat 11. A insertion groove is provided on the side of the connecting block 12 away from the shift fork seat 11. A first connecting hole 13 communicating with the insertion groove is provided through the top surface of the connecting block 12. A insertion block 15 matching the insertion groove is fixedly installed on the side of the fork arm 14. A second connecting hole 16 corresponding to the position of the first connecting hole 13 is provided through the top surface of the insertion block 15. Bolts 17 are installed inside the connecting hole 13 and the second connecting hole 16. Nuts 18 are threaded onto the end of bolt 17. The connecting block 12 and the fork arm 14 are installed together by bolts 17 and nuts 18. When the fork arm 14 or the shift fork seat 11 is worn, bolts 17 can be unscrewed, and the damaged parts can be replaced. The replaced parts can then be reassembled with the original intact parts by bolts 17 and nuts 18. The disassembly and pre-assembly process is simple and convenient, saving the maintenance and replacement cost of the shift fork body 1.

[0024] Example 3: As Figures 1-3The top surface and the bottom surface of the connecting block 12 are fixedly provided with two symmetrical support plates 2, one side of the support plate 2 close to the fork seat 11 is fixedly provided on the arc surface of the fork seat 11, and the two ends of the fork arm 14 are fixedly provided with a bushing 4, so that the connecting strength between the fork seat 11 and the connecting block 12 is increased, the breakage or bending of the connecting block 12 at the connecting position with the fork seat 11 is avoided, and the anti-skid property and wear resistance of the two ends of the fork arm 14 are increased through the bushing 4.

[0025] The working principle and use process of the utility model are as follows: the durable clutch fork, when in use, the surface of the protective pad 3 is in contact with the driven gear, and then the driven gear is meshed with the driving gear, so that the fork body 1 is prevented from being directly in contact with the driven gear, and the service life of the fork body 1 is increased; when the protective pad 3 is damaged due to long-term friction with the driven gear, the flat-head cross screw 34 can be screwed out from the inside of the threaded hole 19 and the third connecting hole 33 by using a screwdriver to pass through the gap hole 32, and then the protective pad 3 can be disassembled and replaced; when the fork arm 14 or the fork seat 11 is worn, the bolt 17 can be unscrewed, and then the damaged parts are replaced, and then the replaced parts and the original intact parts are connected together through the bolt 17 and the nut 18.

[0026] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0027] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A durable clutch fork, characterized by: The fork body (1) is combined by a fork seat (11), a connecting block (12) and a fork arm (14), the top surface and the bottom surface of the fork arm (14) are symmetrically provided with array distributed threaded holes (19), the top surface and the bottom surface of the fork arm (14) are symmetrically provided with semicircular annular protective pads (3), the side surface of the protective pad (3) is provided with a groove (31), the bottom surface of the groove (31) is provided with a third connecting hole (33) opposite to the threaded hole (19), the third connecting hole (33) is internally provided with a flat head cross screw (34), the flat head cross screw (34) passes through the third connecting hole (33) and is threadedly sleeved in the threaded hole (19), and the arc surface of the inner side of the protective pad (3) is larger than the arc surface of the inner side of the fork arm (14).

2. A durable clutch fork according to claim 1, characterized in that: The threaded holes (19) are arranged in eight and symmetrically distributed on the top surface and the bottom surface of the fork arm (14), the top surface of the groove (31) is provided with a giving hole (32) opposite to the third connecting hole (33) and matched with the size of the flat head cross screw (34).

3. A durable clutch fork according to claim 1, wherein: The side surface of the fork seat (11) is provided with a shaft hole, the arc surface of the fork seat (11) is fixedly installed with the connecting block (12), and the side, away from the fork seat (11), of the connecting block (12) is provided with the detachable fork arm (14).

4. A durable clutch fork according to claim 1, wherein: The side, away from the fork seat (11), of the connecting block (12) is provided with a plug-in groove, the top surface of the connecting block (12) is provided with a first connecting hole (13) in communication with the plug-in groove, and the side of the fork arm (14) is fixedly installed with a plug-in block (15) matched with the plug-in groove.

5. A durable clutch fork according to claim 4, wherein: The top surface of the plug-in block (15) is provided with a second connecting hole (16) opposite to the first connecting hole (13), and the first connecting hole (13) and the second connecting hole (16) are internally movably sleeved with a bolt (17), and the end of the bolt (17) is threadedly sleeved with a nut (18).

6. A durable clutch fork according to claim 1, wherein: The top surface and the bottom surface of the connecting block (12) are fixedly installed with two symmetrically distributed supporting plates (2), one side of the supporting plate (2) close to the fork seat (11) is fixedly installed on the arc surface of the fork seat (11), and the both ends of the fork arm (14) are fixedly sleeved with a bushing (4).

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