Six-equally-divided key sliding fit clutch convenient to install

Abstract

The utility model relates to the technical field of sliding-fit clutches, in particular to a six-equal-key sliding-fit clutch convenient to install, the number of bases is two, the bases are symmetrically arranged front and back, the number of flange plates is two, the flange plates are fixedly arranged on the bases on the front side and the back side respectively, and a driving shaft is fixedly arranged on the back surface of the base on the front side. The driven shaft is fixedly arranged on the front surface of the base on the rear side, an inner hexagonal hole is formed in the front end face of the driven shaft, the hexagonal transmission shaft is fixedly arranged on the rear end face of the driving shaft, the hexagonal transmission shaft is movably inserted into the inner hexagonal hole, the key block is arranged on the side wall of the hexagonal transmission shaft, and a key groove is formed in the inner wall of the inner hexagonal hole. The key block is slidably arranged in the key groove. According to the torque transmission device, the six-equal-part key block structure is arranged, and the matched key groove structure is correspondingly arranged, so that torque transmission is achieved through insertion matching of the key blocks and the key grooves during transmission, the stability of torque transmission is guaranteed by increasing the contact surface, and meanwhile it is guaranteed that the key blocks cannot slip off.

Description

Technical Field

[0001] The utility model relates to the technical field of a slip-matching clutch, in particular to a sextuplicate key slip-matching clutch which is easy to install. Background Art

[0002] When driving marine anchor windlasses, capstans and other equipment, a clutch is used to connect the main shaft to the power unit. There is currently a slip-on clutch with a hexagonal key structure, which uses the cooperation of a hexagonal rod and a hexagonal hole to achieve transmission. The hexagonal key of this structure has a certain amount of gap to maintain the assembly with the hexagonal hole, so that when the transmission is subjected to force, the hexagonal key is worn and damaged too quickly due to the smaller contact surface, which leads to the problem of slippage. Therefore, it is necessary to improve the hexagonal key clutch of the transmission. Utility Model Content

[0003] The purpose of the utility model is to address the defects and shortcomings of the prior art and provide a six-part key slip-matching clutch that is easy to install. The utility model provides a six-part key block structure and a corresponding key slot structure, so that torque transmission is achieved through the insertion and cooperation of the key block and the key slot during transmission, thereby ensuring the stability of torque transmission by increasing the contact surface and ensuring that the key block will not slip.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] It includes a base and a flange, wherein the base is two and is symmetrically arranged front and back, and the flange is two and is fixedly arranged on the base at the front and back sides respectively. It also includes:

[0006] A driving shaft, wherein the driving shaft is fixedly arranged on the rear surface of the base at the front side;

[0007] A driven shaft, the driven shaft is fixedly arranged on the front surface of the base at the rear side, and a hexagonal hole is opened on the front end surface of the driven shaft;

[0008] A hexagonal transmission shaft, which is fixedly arranged on the rear end surface of the driving shaft and movably inserted into the inner hexagonal hole;

[0009] The key block is arranged on the side wall of the hexagonal transmission shaft, a key slot is provided on the inner wall of the inner hexagonal hole, and the key block is slidably arranged in the key slot.

[0010] Preferably, the hexagonal transmission shaft is arranged in a right spiral at a certain angle along the axis, and the inner hexagonal hole is arranged in cooperation with the hexagonal transmission shaft;

[0011] Preferably, there are six key blocks, and six side walls of the hexagonal transmission shaft are each provided with a card slot, and the rear end of the card slot is opened, a card block is slidably arranged in the card slot, and the key block is fixedly arranged on the outer side wall of the card block.

[0012] Preferably, a mounting groove is provided on the side wall of the hexagonal transmission shaft, and the mounting groove is connected with the end of the clamping slot away from the open end, a mounting block is fixedly provided on the clamping block, and the mounting block is arranged in the mounting groove, a countersunk hole is provided on the mounting block, a countersunk bolt is inserted into the countersunk hole, a bolt hole is provided on the bottom side wall of the mounting groove, and the countersunk bolt is screwed into the bolt hole through a Luvorn.

[0013] Preferably, spline holes are provided on the walls of the front and rear bases on the opposite sides.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] It sets a key block structure divided into six equal parts and a corresponding key slot structure, so that torque transmission is achieved through the insertion and cooperation of the key block and the key slot during transmission, thereby ensuring the stability of torque transmission by increasing the contact surface and ensuring that the key block will not slip. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model.

[0017] Figure 2 It is a structural schematic diagram of a hexagonal transmission shaft, a clamping block and a key block in the utility model.

[0018] Figure 3 It is a structural schematic diagram of the driving shaft and the hexagonal transmission shaft in the utility model.

[0019] Figure 4 It is a structural schematic diagram of the driven shaft in the utility model.

[0020] Figure 5 It is a structural schematic diagram of a clamping block, a key block and a mounting block in the utility model.

[0021] Description of reference numerals:

[0022] Base 1, flange 2, driving shaft 3, driven shaft 4, hexagonal hole 5, hexagonal transmission shaft 6, key block 7, keyway 8, clamping groove 9, clamping block 10, mounting groove 11, mounting block 12, countersunk hole 13, countersunk bolt 14, bolt hole 15, spline hole 16. DETAILED DESCRIPTION

[0023] The technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples, and all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the utility model.

[0024] Embodiment 1:

[0025] like Figure 1-5 As shown, this embodiment includes a base 1, wherein the base 1 is two and is symmetrically arranged front and back, and a spline hole 16 is opened on the wall of the two bases 1 on the opposite side;

[0026] Flanges 2, wherein the flanges 2 are two and are fixedly arranged at the front and rear ends of the front and rear bases 1 respectively;

[0027] A driving shaft 3, wherein the driving shaft 3 is fixedly arranged on the rear surface of the base 1 at the front side;

[0028] A driven shaft 4, wherein the driven shaft 4 is fixedly arranged on the front surface of the base 1 at the rear side, and a hexagonal hole 5 is provided on the front end surface of the driven shaft 4, and six edges of the hexagonal hole 5 are all arranged in a right spiral at an angle of 30° to the axis of the driven shaft 4;

[0029] A hexagonal transmission shaft 6, wherein the hexagonal transmission shaft 6 is fixedly arranged on the rear end surface of the driving shaft 3, and the hexagonal transmission shaft 6 is movably inserted into the inner hexagonal hole 5, and the six edges of the hexagonal transmission shaft 6 are arranged in a right spiral at an angle of 30° with the axis of the driving shaft 3;

[0030] The card block 10 is provided with card slots 9 on the six side walls of the hexagonal transmission shaft 6, and the rear end of the card slot 9 is open, the card block 10 is movably inserted in the card slot 9, the rear end wall of the card block 10 is flush with the rear end wall of the hexagonal transmission shaft 6, and the outer side wall of the card block 10 is flush with the side wall of the hexagonal transmission shaft 6;

[0031] A key block 7, wherein the key block 7 is fixedly arranged on the outer wall of the card block 10, a key slot 8 is provided on the inner wall of the hexagonal hole 5, and the key block 7 is slidably arranged in the key slot 8;

[0032] A mounting block 12, wherein the mounting block 12 is fixedly arranged at the front end of the clamping block 10, a mounting groove 11 is provided on the side wall of the hexagonal transmission shaft 6, and the mounting groove 11 is connected with the front end of the clamping groove 9, and the mounting block 12 is movably arranged in the mounting groove 11;

[0033] A countersunk bolt 14 is provided on the mounting block 12 with a countersunk hole 13, the countersunk bolt 14 is inserted into the countersunk hole 13, and the end cap of the countersunk bolt 14 is arranged in the countersunk hole 13, a bolt hole 15 is provided on the bottom side wall of the mounting groove 11, and the countersunk bolt 14 is inserted into the bolt hole 15 by threaded connection.

[0034] After adopting the technical solution disclosed in the utility model, it can achieve:

[0035] When using the device, the device is used as a coupling between the active device shaft and the driven device shaft. The front base 1 is fixed on the active device shaft, and the rear base 1 is fixed on the driven device shaft. The clamping block 10 is slidably inserted from the rear end of the clamping slot 9 to achieve docking of the clamping block 10 with the hexagonal transmission shaft 6, that is, the key block 7 is installed on the hexagonal transmission shaft 6, and the clamping block 10 is slid so that the mounting block 12 is inserted into the mounting slot 11, and the countersunk hole 13 is aligned with the bolt hole 15, and then the countersunk bolt 14 is inserted into the countersunk hole 13 and the countersunk bolt 14 is rotated and riveted to the countersunk hole 13, so that the end cap of the countersunk bolt 14 is placed in the countersunk hole. The mounting base is fixed on the hexagonal transmission shaft 6 in the hole 13, that is, the clamping block 10 and the key block 7 are fixed on the hexagonal transmission shaft 6, and then the position of the driving shaft 3 is adjusted so that the hexagonal transmission shaft 6 is aligned with the inner hexagonal hole 5 on the driven shaft 4, and then the front base 1 is moved backward to insert the hexagonal transmission shaft 6 into the inner hexagonal hole 5. During this process, the key block 7 is slid into the key slot 8. After the hexagonal transmission shaft 6 and the inner hexagonal hole 5 are connected, the transmission connection between the driving shaft 3 and the driven shaft 4 is completed, and the front base 1 and the driving shaft 3 are driven to rotate through the active device, so that the active shaft 3 drives the driven shaft 4 and drives the driven device to move.

[0036] The technical advantages that can be achieved by adopting the above technical solution are as follows:

[0037] The device is provided with a driving shaft 3 with a hexagonal transmission shaft 6, and a driven shaft 4 with a hexagonal inner hole 5, and the hexagonal transmission shaft 6 is a spiral structure with a certain angle, and a key block 7 is arranged on the hexagonal transmission shaft 6, and a key groove 8 is arranged on the inner wall of the hexagonal inner hole 5, so that when the hexagonal transmission shaft 6 is inserted into the hexagonal inner hole 5 to realize the transmission between the driving shaft 3 and the driven shaft 4, the side wall surface of the hexagonal transmission shaft 6 is pressed against the side wall surface of the hexagonal inner hole 5 to transmit the torque, and at the same time, the torque transmission is realized through the cooperation between the key block 7 and the key groove 8, and the force direction between the key block 7 and the key groove 8 is a linear direction force perpendicular to the end face of the key block 7, so that the internal transmission is stable by increasing the contact surface, and the device realizes clutch separation through a push-pull structure, so that the equipment is easy to use and operate.

[0038] For those skilled in the art, they can modify the technical solutions recorded in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A six-element key slip-on clutch that is easy to install, comprising a base (1) and a flange (2), wherein the base (1) is two and is symmetrically arranged front and back, and the flange (2) is two and is fixedly arranged on the base (1) at the front and rear sides respectively; characterized in that: It also contains: A driving shaft (3), wherein the driving shaft (3) is fixedly arranged on the rear surface of the base (1) at the front side; A driven shaft (4), wherein the driven shaft (4) is fixedly arranged on the front surface of the rear base (1), and a hexagonal hole (5) is formed on the front end surface of the driven shaft (4); A hexagonal transmission shaft (6), wherein the hexagonal transmission shaft (6) is fixedly arranged on the rear end surface of the driving shaft (3), and the hexagonal transmission shaft (6) is movably inserted into the inner hexagonal hole (5); A key block (7) is arranged on the side wall of the hexagonal transmission shaft (6), a key slot (8) is provided on the inner wall of the hexagonal hole (5), and the key block (7) is slidably arranged in the key slot (8).

2. The easy-to-install sextuplicate key slip-on clutch according to claim 1, characterized in that: The hexagonal transmission shaft (6) is arranged in a right spiral at a certain angle along the axis, and the inner hexagonal hole (5) is arranged in cooperation with the hexagonal transmission shaft (6).

3. The easy-to-install sextuplicate key slip-on clutch according to claim 2, characterized in that: There are six key blocks (7), and six side walls of the hexagonal transmission shaft (6) are each provided with a card slot (9), and the rear end of the card slot (9) is opened. A card block (10) is slidably arranged in the card slot (9), and the key block (7) is fixedly arranged on the outer side wall of the card block (10).

4. The easy-to-install sextuplicate key slip-on clutch according to claim 3, characterized in that: A mounting groove (11) is provided on the side wall of the hexagonal transmission shaft (6), and the mounting groove (11) is connected to the end of the clamping groove (9) away from the open end. A mounting block (12) is fixedly provided on the clamping block (10), and the mounting block (12) is arranged in the mounting groove (11). A countersunk hole (13) is provided on the mounting block (12), and a countersunk bolt (14) is inserted into the countersunk hole (13). A bolt hole (15) is provided on the bottom side wall of the mounting groove (11), and the countersunk bolt (14) is screwed into the bolt hole (15) through a lug.

5. The easy-to-install sextuplicate key slip-on clutch according to claim 4, characterized in that: Spline holes (16) are provided on the walls of the two front and rear bases (1) on the opposite sides.

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