Friction clutch transmission shaft convenient to disassemble quickly

Abstract

The utility model relates to a friction clutch transmission shaft convenient to disassemble quickly. The device is provided with a driving device, a first friction plate is fixedly arranged at the driving end of the driving device, a first transmission rod is rotationally arranged in the middle of the first friction plate, the first transmission rod is slidably sleeved with a second friction plate and a mounting disc, and the second friction plate is fixedly arranged on the side, facing the first friction plate, of the mounting disc; a pulling ring is fixedly arranged on the other side of the mounting disc; the first transmission rod is detachably and fixedly connected with a second transmission rod through a connecting assembly; the connecting assembly comprises a first connecting block and a second connecting block, and the pulling ring is slidably arranged on the first connecting block; the first connecting block is provided with a plurality of slots, the second connecting block is provided with insertion blocks, the first connecting block is in insertion fit with the second connecting block through the insertion fit of the insertion blocks and the slots, and the first connecting block and the second connecting block are fixedly connected through the locking piece in a matched mode.

Description

Technical Field

[0001] The utility model relates to a friction clutch transmission shaft which is easy to disassemble quickly. Background Art

[0002] The friction clutch is usually located between the engine and the gearbox, or combined with the gear to form a gearbox assembly with clutch, forward and reverse functions. It is the main component connecting the engine and the shaft system. The shaft system is the transmission shaft, which is a mechanical part mainly used to transmit torque and rotation. It is usually used in situations where the distance between components is far or it is not easy to transmit directly. The transmission shaft is usually composed of one or more universal joints, claw couplings and other components.

[0003] Most existing transmission shafts use a single shaft. When the clutch friction disc needs to be replaced due to excessive friction, the entire transmission shaft must be disassembled and removed for replacement. The steps are complicated, time-consuming and labor-intensive, and it is not convenient to disassemble and repair the clutch. Utility Model Content

[0004] The utility model aims to provide a friction clutch transmission shaft which is easy to disassemble quickly and convenient to replace the clutch friction plate.

[0005] The technical solution to achieve the purpose of the utility model is: the utility model has a driving device, a first friction plate is fixedly provided on the driving end of the driving device, a first transmission rod is rotatably provided in the middle of the first friction plate, a second friction plate and a mounting plate are slidably sleeved on the first transmission rod, the second friction plate is fixedly provided on a side of the mounting plate facing the first friction plate, and a pulling ring is fixedly provided on the other side of the mounting plate; the first transmission rod is detachably fixedly connected to the second transmission rod through a connecting assembly; the connecting assembly includes a first connecting block fixedly connected to the first transmission rod and a second connecting block fixedly connected to the second transmission rod, and the pulling ring is slidably provided on the first connecting block; the first connecting block is provided with a plurality of slots distributed circumferentially in the axial direction, the second connecting block is provided with a plurality of plug-in blocks corresponding to the slots and capable of forming a plug-in fit, the first connecting block forms a plug-in fit with the second connecting block through the plug-in fit between the plug-in block and the slot, and is also provided with a locking member that can form a fixed connection between the first connecting block and the second connecting block that form a plug-in fit.

[0006] Furthermore, the locking member includes a flexible limit block fixedly provided on each plug-in block and a limit groove provided on the side wall of the slot which can correspond one-to-one with the flexible limit block and form a limit fit. Each limit groove is distributed circumferentially along the axial direction of the first connecting block. The limit groove is connected to the outside. The first connecting block and the second connecting block are detachably fixed by the plug-in fit between the plug-in block and the slot and the limit fit between the flexible limit block and the limit groove.

[0007] Furthermore, a plurality of sliding grooves are provided on the outer surface of the first connecting block, and a plurality of sliding blocks corresponding to the sliding grooves one by one and capable of forming a sliding fit are provided on the inner wall of the pulling ring, and the pulling ring is slidably arranged on the first connecting block through the sliding fit between the sliding blocks and the sliding grooves; the sliding groove is located between two adjacent limit grooves, and the flexible limit block can be squeezed under the sliding of the pulling ring to disengage from the limit groove.

[0008] Furthermore, a guiding inclined surface for guiding the pulling ring to perform extrusion is provided on the portion of the flexible limiting block inserted into the limiting groove.

[0009] Furthermore, the first connecting block is provided with a first hole for the first transmission rod to be inserted, the first connecting block is provided with a first threaded hole connected with the first hole, the part of the first transmission rod inserted into the first hole is provided with a second threaded hole arranged corresponding to the first hole, and is also provided with a first bolt that can form a threaded match with the first threaded hole and the second threaded hole, the part of the first transmission rod inserted into the first hole is fixedly arranged on the first connecting block by the threaded match of the first bolt and the first threaded hole and the second threaded hole, and the part of the first transmission rod not inserted into the first hole is rotatably arranged on the first friction plate; the second connecting block is provided with a second hole for the second transmission shaft to be inserted, the side wall of the second hole is provided with a through groove that is connected with the outside and the two ends extend to the two sides of the second connecting block and are connected with the outside, the outer wall of the second connecting block is provided with a third threaded hole that passes through the through groove, and is also provided with a second bolt that can form a threaded match with the third threaded hole, and the second transmission rod is fixedly arranged on the second connecting block by the threaded match of the second screw and the third threaded hole.

[0010] Furthermore, each slot is provided with a spring, one end of the spring acts on the bottom of the corresponding slot, and the other end of the spring acts on an insert block that is plugged into and fits with the slot where the spring is located.

[0011] Furthermore, the first transmission rod, the second transmission rod, the first connecting block and the second connecting block are all coaxially arranged.

[0012] The utility model has positive effects: (1) the first transmission rod of the utility model is detachably fixedly connected to the second transmission rod through a connecting assembly, the connecting assembly includes a first connecting block fixedly connected to the first transmission rod and a second connecting block fixedly connected to the second transmission rod, the first connecting block is plug-in-fitted with the second connecting block through the plug-in fit of the plug-in block and the slot, and then fixed by a locking member, since the pulling ring of the second friction plate is slidably arranged on the first connecting block, the second friction plate can be removed and replaced together with the first connecting block and the first transmission rod after being removed through the first connecting block and the second connection, and the second friction plate can also be quickly removed and replaced after the second friction plate together with the first connecting block and the first transmission rod are removed, which is convenient and efficient.

[0013] (2) The locking member of the utility model includes a flexible limit block fixedly provided on each plug-in block and a limit groove provided on the side wall of the slot which can correspond to the flexible limit block one by one and form a limit fit. Each limit groove is distributed circumferentially along the axial direction of the first connecting block. The limit groove is connected to the outside. The first connecting block and the second connecting block are detachably fixed by the plug-in fit between the plug-in block and the slot and the limit fit between the flexible limit block and the limit groove. The first connecting block and the second connecting block are fixed by the limit fit between the flexible limit block and the limit groove, which is efficient and fast.

[0014] (3) The pull ring of the utility model is slidably set on the first connecting block through the sliding cooperation of the slider and the sliding groove. When the pull ring slides toward the second connecting block, it will be restricted by the flexible limit block. Continuing sliding will squeeze the flexible limit block located in the limit groove, so that the flexible limit block and the limit groove are disengaged from the limit cooperation, so that the first connecting block and the second connecting block return to the plug-in cooperation for disassembly, which is convenient and quick.

[0015] (4) The flexible limit block of the utility model is provided with a guiding inclined surface for guiding the pulling ring to perform extrusion. When the pulling ring slides and extrudes the flexible limit block, the guiding inclined surface can better promote the pulling ring to extrude the flexible limit block.

[0016] (5) A spring is provided in each slot of the utility model. One end of the spring acts on the bottom of the corresponding slot, and the other end of the spring acts on the plug-in block that is plugged in with the slot where the spring is located. The spring can rely on its own elastic force to pop the plug-in block out of the slot after the flexible limit block and the limit slot are out of limit fit, which is convenient and fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to make the content of the utility model easier to understand, the utility model is further described in detail according to specific embodiments and in conjunction with the accompanying drawings.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is an exploded view of the utility model;

[0020] Figure 3 This is a structural schematic diagram of the first connecting block of the utility model;

[0021] Figure 4 It is a schematic diagram of the assembly structure of the pull ring and the first connecting block of the utility model;

[0022] Figure 5 It is a structural schematic diagram of the second connecting block of the utility model. DETAILED DESCRIPTION

[0023] See Figures 1 to 5 The utility model has a driving device 1, a first friction plate 11 is fixedly arranged on the driving end of the driving device 1, a first transmission rod 2 is rotatably arranged in the middle of the first friction plate 11, a second friction plate 21 and a mounting plate 3 are slidably sleeved on the first transmission rod 2, the second friction plate 21 is fixedly arranged on one side of the mounting plate 3 facing the first friction plate 11, and a pulling ring 31 is fixedly arranged on the other side of the mounting plate 3; the first transmission rod 2 is detachably fixedly connected to the second transmission rod 5 through a connecting assembly 4; the connecting assembly 4 includes a second transmission rod 5 fixedly connected to the first transmission rod 2 A connecting block 41 and a second connecting block 42 fixedly connected to the second transmission rod 5, the pulling ring 31 is slidably arranged on the first connecting block 41; the first connecting block 41 is provided with a plurality of slots 6 distributed circumferentially in the axial direction, the second connecting block 42 is provided with a plurality of plug-in blocks 7 corresponding to the slots 6 and capable of forming a plug-in fit, the first connecting block 41 forms a plug-in fit with the second connecting block 42 through the plug-in fit between the plug-in blocks 7 and the slots 6, and is also provided with a locking member 8 that can form a fixed connection between the first connecting block 41 and the second connecting block 42 that form a plug-in fit.

[0024] After the insert block 7 is inserted into the slot 6 , a space is provided in the slot 6 for the insert block 7 to move.

[0025] The locking member 8 includes a flexible limit block 81 fixedly provided on each plug block 7 and a limit groove 82 provided on the side wall of the slot 6 which can correspond to the flexible limit block 81 one by one and form a limit fit. Each limit groove 82 is distributed circumferentially along the axial direction of the first connecting block 41. The limit groove 82 is connected to the outside. The first connecting block 41 and the second connecting block 42 are detachably fixed by the plug-in fit between the plug block 7 and the slot 6 and the limit fit between the flexible limit block 81 and the limit groove 82.

[0026] A plurality of slide grooves 411 are provided on the outer surface of the first connecting block 41, and a plurality of sliders 311 corresponding to the slide grooves 411 and capable of slidingly fitting are provided on the inner wall of the pulling ring 31. The pulling ring 31 is slidably arranged on the first connecting block 41 through the sliding fit between the sliders 311 and the slide grooves 411; the slide groove 411 is located between two adjacent limiting grooves 82, and the flexible limiting block 81 can be squeezed under the sliding of the pulling ring 31 to disengage from the limiting fit with the limiting groove 82.

[0027] When the pulling ring 31 slides to the position where the flexible limiting block 81 forms a limiting fit with the limiting groove 82 , the second friction plate 21 is still slidably disposed on the first transmission rod 2 and does not come into contact with the first connecting block 41 .

[0028] The portion of the flexible limiting block 81 inserted into the limiting groove 82 is provided with a guiding inclined surface 811 for guiding the pulling ring 31 to be squeezed.

[0029] The first connecting block 41 is provided with a first hole 412 for inserting the first transmission rod 2, the first connecting block 41 is provided with a side wall connected to the first hole 412, and a through groove connected to the outside and extending at both ends to the second connecting block 42 on both sides and connected to the outside, the second connecting block 41 is provided with a first threaded hole 414, the portion of the first transmission rod 2 inserted into the first hole 412 is provided with a second threaded hole 22 corresponding to the first hole 412, and is also provided with a first bolt that can form a threaded match with the first threaded hole 414 and the second threaded hole 22, and the portion of the first transmission rod 2 inserted into the first hole 412 is connected through the first threaded hole 414. The bolt is fixedly arranged on the first connecting block 41 by threaded cooperation with the first threaded hole 414 and the second threaded hole 22, and the part of the first transmission rod 2 not inserted into the first hole 412 is rotatably arranged on the first friction plate 11; the second connecting block 42 is provided with a second hole 421 for the second transmission shaft to be inserted, and the outer wall of the connecting block 42 of the second hole 421 is provided with a third threaded hole 422 passing through the through groove, and is also equipped with a second bolt that can form a threaded cooperation with the third threaded hole 422, and the second transmission rod 5 is fixedly arranged on the second connecting block 42 by threaded cooperation between the second screw and the third threaded hole 422.

[0030] The slots 6 are evenly distributed on the first connection block 41 along the axial direction of the first hole 412 , and the insert blocks 7 are evenly distributed on the second connection block 42 along the axial direction of the second hole 421 .

[0031] A spring 61 is provided in each slot 6 , one end of the spring 61 acts on the bottom of the corresponding slot 6 , and the other end of the spring 61 acts on the plug block 7 which is plugged into the slot 6 where the spring 61 is located.

[0032] The first transmission rod 2, the second transmission rod 5, the first connecting block 41 and the second connecting block 42 are all coaxially arranged.

[0033] The working principle of the utility model is as follows: one end of the first transmission rod 2 is rotatably mounted on the middle part of the first friction disc, the second friction disc is slidably mounted on the first transmission rod 2, the other end of the first transmission rod 2 is fixedly mounted on the first connecting block 41, the pull ring 31 is fixedly mounted on the other end of the first transmission rod 2 on the first connecting block 41 and then slidably mounted on the outer surface of the first connecting block 41, the second transmission rod 5 is fixedly mounted on the second connecting block 42; the first connecting block 41 and the second connecting block 42 are detachably fixedly connected through the plug-in cooperation of the plug-in block 7 and the slot 6 and the limiting cooperation of the flexible limiting block 81 and the limiting groove 82, and the first transmission rod 2 and the second transmission rod 5 are synchronously rotated after the first connecting block 41 and the second connecting block 42 form a match;

[0034] When the pulling block slides toward the second connecting block 42, the second friction plate 21 and the first friction plate 11 are disengaged from the friction fit, and the pulling ring 31 is engaged by the flexible limit block 81 and will not slide indefinitely. When the pulling block forcibly slides and squeezes the flexible limit block 81, the flexible limit and the limit groove 82 are disengaged from the limit fit, and the second connecting block 42 can be pulled out.

[0035] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A friction clutch transmission shaft that is easy to quickly disassemble; characterized in that: The invention relates to a driving device (1), wherein a first friction plate (11) is fixedly provided on a driving end of the driving device (1), a first transmission rod (2) is rotatably provided in the middle of the first friction plate (11), a second friction plate (21) and a mounting plate (3) are slidably sleeved on the first transmission rod (2), the second friction plate (21) is fixedly provided on a side of the mounting plate (3) facing the first friction plate (11), and a pulling ring (31) is fixedly provided on the other side of the mounting plate (3); the first transmission rod (2) is detachably fixedly connected to the second transmission rod (5) via a connecting assembly (4); the connecting assembly (4) comprises a first connecting assembly fixedly connected to the first transmission rod (2); A connecting block (41) and a second connecting block (42) fixedly connected to a second transmission rod (5); a pulling ring (31) is slidably arranged on the first connecting block (41); the first connecting block (41) is provided with a plurality of slots (6) distributed circumferentially in the axial direction; the second connecting block (42) is provided with a plurality of plug-in blocks (7) corresponding to the slots (6) and capable of forming a plug-in fit; the first connecting block (41) forms a plug-in fit with the second connecting block (42) through the plug-in fit of the plug-in blocks (7) and the slots (6); and a locking member (8) is also provided which can form a fixed connection between the first connecting block (41) and the second connecting block (42) that form a plug-in fit.

2. The friction clutch transmission shaft for quick disassembly according to claim 1, characterized in that: The locking member (8) comprises a flexible limiting block (81) fixedly provided on each plug block (7) and a limiting groove (82) provided on the side wall of the slot (6) and corresponding to the flexible limiting block (81) to form a limiting fit. Each limiting groove (82) is distributed circumferentially along the axial direction of the first connecting block (41). The limiting groove (82) is connected to the outside. The first connecting block (41) and the second connecting block (42) are detachably fixed by the plug-in fit between the plug block (7) and the slot (6) and the limiting fit between the flexible limiting block (81) and the limiting groove (82).

3. The friction clutch transmission shaft for quick disassembly according to claim 2, characterized in that: A plurality of slide grooves (411) are provided on the outer surface of the first connecting block (41), and a plurality of sliders (311) corresponding to the slide grooves (411) and capable of forming a sliding fit are provided on the inner wall of the pulling ring (31), and the pulling ring (31) is slidably arranged on the first connecting block (41) through the sliding fit between the sliders (311) and the slide grooves (411); the slide groove (411) is located between two adjacent limiting grooves (82), and the flexible limiting block (81) can be squeezed by the sliding of the pulling ring (31) so as to be out of the limiting fit with the limiting groove (82).

4. The friction clutch transmission shaft for quick disassembly according to claim 3, characterized in that: A guiding inclined surface (811) for guiding the pulling ring (31) to be squeezed is provided on the portion of the flexible limiting block (81) inserted into the limiting groove (82).

5. The friction clutch transmission shaft for quick disassembly according to claim 1, characterized in that: The first connecting block (41) is provided with a first hole (412) for the first transmission rod (2) to be inserted, the first connecting block (41) is provided with a first threaded hole (414) connected to the first hole (412), the portion of the first transmission rod (2) inserted into the first hole (412) is provided with a second threaded hole (22) arranged corresponding to the first hole (412), and is also provided with a first bolt capable of forming a threaded fit with the first threaded hole (414) and the second threaded hole (22), the portion of the first transmission rod (2) inserted into the first hole (412) is fixedly arranged on the first connecting block (41) through the threaded fit of the first bolt, the first threaded hole (414) and the second threaded hole (22). ), the portion of the first transmission rod (2) not inserted into the first hole (412) is rotatably arranged on the first friction plate (11); the second connecting block (42) is provided with a second hole (421) for the second transmission shaft to be inserted, the side wall of the second hole (421) is provided with a through groove which is connected to the outside and the two ends extend to the two sides of the second connecting block (42) and are connected to the outside, the outer wall of the second connecting block (42) is provided with a third threaded hole (422) passing through the through groove, and is also provided with a second bolt which can form a threaded fit with the third threaded hole (422), and the second transmission rod (5) is fixedly arranged on the second connecting block (42) by the threaded fit of the second screw and the third threaded hole (422).

6. The friction clutch transmission shaft for quick disassembly according to claim 1, characterized in that: A spring (61) is provided in each slot (6), one end of the spring (61) acts on the bottom of the corresponding slot (6), and the other end of the spring (61) acts on an insert block (7) that is plugged into and fits with the slot (6) where the spring (61) is located.

7. The friction clutch transmission shaft for quick release according to claim 1, characterized in that: The first transmission rod (2), the second transmission rod (5), the first connecting block (41) and the second connecting block (42) are all coaxially arranged.

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