High-precision dual-protection elastic double-tooth coupling

Abstract

The high-precision double-protection elastic double-tooth coupling comprises a double-tooth coupling body and two connecting blocks, a plurality of first force transmission teeth are movably connected into a third coupling block, two springs are fixedly connected to the inner walls of a plurality of protection shells, the other side faces of a plurality of first clamping blocks are movably connected with movable blocks, and the movable blocks are fixedly connected with the first force transmission teeth. The ends, extending out of the protective shell, of the multiple first clamping blocks are slidably connected with the interiors of first force transmission teeth, second clamping blocks are arranged in the two connecting blocks, pull rings are fixedly connected to the upper surfaces of the two second clamping blocks, and screws are movably connected to the upper surfaces of the two second clamping blocks. The lower surfaces of the two second clamping blocks are slidably connected into the connecting rod, through mutual cooperation of the movable blocks, the springs and the first clamping blocks, the first force transmission teeth can be conveniently and independently replaced, expenditure can be saved, through mutual cooperation of the second clamping blocks, pull rings and screws, workers can conveniently and rapidly assemble and disassemble, the working time can be effectively saved, and the working efficiency can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of high-precision double-protection elastic double-tooth couplings, in particular to a high-precision double-protection elastic double-tooth coupling. Background Art

[0002] Couplings are widely used in various general-purpose machinery to connect two shafts so that they rotate together to transmit torque and motion. Depending on whether there are elastic elements inside the coupling, it can be divided into elastic couplings and rigid couplings.

[0003] The existing coupling cannot replace the transmission teeth individually and is inconvenient to install on the machine. The practical device can replace a single transmission tooth, saving costs and making installation more convenient. Utility Model Content

[0004] The utility model aims to provide a high-precision double-protection elastic double-tooth coupling to solve the problem that a single pair of power transmission teeth cannot be replaced and is inconvenient to install on a machine.

[0005] To achieve the above-mentioned purpose, a high-precision double-protection elastic double-tooth coupling is provided, comprising: a double-tooth coupling and two connecting blocks, the third coupling block is internally movably connected to a plurality of first force transmission teeth, the third coupling block is internally fixedly connected to a plurality of protective shells, the inner walls of the plurality of protective shells are fixedly connected to two springs, one end of the two springs are fixedly connected to the side of the first clamping block, the other side of the plurality of first clamping blocks are movably connected to the movable block, the side of the plurality of movable blocks are movably connected to the inner wall of the protective shell, the ends of the plurality of first clamping blocks extending out of the protective shell are slidably connected to the inside of the first force transmission teeth, and the first clamping block cooperates with each other to facilitate the replacement of the first force transmission teeth alone, thereby saving expenses;

[0006] A second clamping block is provided inside the two connecting blocks, and pull rings are fixedly connected to the upper surfaces of the two second clamping blocks, and screws are movably connected to the upper surfaces of the two second clamping blocks. The lower surfaces of the two second clamping blocks are slidably connected to the inside of the access rod. The second clamping block, the pull ring and the screw cooperate with each other, which is convenient for workers to quickly install and disassemble, can effectively save working time, and greatly improve work efficiency.

[0007] According to the high-precision double-protection elastic double-tooth coupling, a second force transmission tooth is arranged between the two connected first force transmission teeth, and a polyurethane gear ring is movably connected between the first force transmission teeth and the second force transmission teeth. The provided polyurethane gear ring can effectively protect the first force transmission teeth and the second force transmission teeth, reduce wear and extend service life.

[0008] According to the high-precision double-protection elastic double-tooth coupling, one end of each of the second force transmission teeth is fixedly connected to the first coupling block and the second coupling block respectively, and the coordinated rotation of the two machines can be achieved through the second force transmission gear, the first coupling block and the second coupling block.

[0009] According to the high-precision double-protection elastic double-tooth coupling, the two connecting blocks are fixedly connected to the sides of the first coupling block and the second coupling block respectively, and the access rod can be fixed by the second clamping block to prevent movement.

[0010] According to the high-precision double-protection elastic double-tooth coupling, an isolation sleeve is arranged outside the first coupling block and the second coupling block, and the isolation sleeve can protect the first force transmission tooth and the second force transmission tooth, reduce contact with external air, prevent rust, extend service life and reduce replacement frequency.

[0011] According to the high-precision double-protection elastic double-tooth coupling, the two screw side surfaces are both connected to the internal threads of the connecting block.

[0012] According to the high-precision double-protection elastic double-tooth coupling, a groove is provided on the side surface of the first force transmission tooth, and the first clamping block is clamped in the groove on the side surface of the first force transmission tooth to fix it.

[0013] The above scheme has the following beneficial effects:

[0014] 1. The movable block, the spring and the first clamping block cooperate with each other, so that the first force transmission tooth can be replaced separately, which can save costs.

[0015] 2. The second clamp, pull ring and screws cooperate with each other to facilitate the staff to quickly install and disassemble, which can effectively save working time and greatly improve work efficiency.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0018] Figure 1 This is a three-dimensional diagram of a high-precision double-protection elastic double-tooth coupling of the utility model;

[0019] Figure 2 This is a cross-sectional view of a high-precision double-protection elastic double-tooth coupling of the utility model;

[0020] Figure 3 This is a front view of a high-precision double-protection elastic double-tooth coupling of the utility model;

[0021] Figure 4 It is a side view of the third coupling block of a high-precision double-protection elastic double-tooth coupling of the utility model;

[0022] Figure 5 This is a cross-sectional view of a high-precision double-protection elastic double-tooth coupling protective shell of the utility model;

[0023] Figure 6 It is a front view of the first transmission tooth of a high-precision double-protection elastic double-tooth coupling of the utility model.

[0024] Legend:

[0025] 1. First coupling block; 2. Isolation sleeve; 3. Third coupling block; 4. First force transmission tooth; 5. Second coupling block; 7. Access rod; 8. Screw; 9. Pull ring; 10. Movable block; 11. Polyurethane gear ring; 12. Spring; 13. First clamping block; 14. Protective shell; 15. Groove; 16. Second clamping block; 17. Connecting block; 18. Second force transmission tooth. DETAILED DESCRIPTION

[0026] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0027] Reference Figure 1-6 The utility model embodiment is a high-precision double-protection elastic double-tooth coupling, which includes: a third coupling block 3 and two connecting blocks 17, the third coupling block 3 is internally movably connected to multiple first force transmission teeth 4, the third coupling block 3 is internally fixedly connected to multiple protective shells 14, the inner walls of multiple protective shells 14 are fixedly connected to two springs 12, and the protective shells 14 can be used to protect the internal springs 12, one end of the two springs 12 is fixedly connected to the side of the first clamping block 13, the other sides of multiple first clamping blocks 13 are movably connected to the movable block 10, the sides of multiple movable blocks 10 are movably connected to the inner wall of the protective shell 14, and the ends of multiple first clamping blocks 13 extending out of the protective shell 14 are slidably connected to the inside of the first force transmission teeth 4, and the movable block 10, the spring 12 and the first clamping block 13 cooperate with each other, so that the first force transmission teeth 4 can be replaced separately, which can save expenses;

[0028] A second clamping block 16 is provided inside the two connecting blocks 17. The upper surfaces of the two second clamping blocks 16 are fixedly connected to the pull ring 9. The upper surfaces of the two second clamping blocks 16 are movably connected to the screws 8. The second clamping blocks 16 are fixed more firmly by the screws 8, which improves work safety. The lower surfaces of the two second clamping blocks 16 are slidably connected to the inside of the access rod 7. The second clamping blocks 16, the pull ring 9 and the screws 8 cooperate with each other, which is convenient for the staff to quickly install and disassemble, can effectively save working time, and greatly improve work efficiency.

[0029] A second transmission tooth 18 is provided between two connected first transmission teeth 4, and a polyurethane gear ring 11 is movably connected between the first transmission teeth 4 and the second transmission teeth 18. The polyurethane gear ring 11 provided can effectively protect the first transmission teeth 4 and the second transmission teeth 18. The polyurethane gear ring 11 can absorb vibration and impact caused by machinery, reduce damage to the protection element, extend service life, reduce replacement frequency, and save costs. One end of the plurality of second transmission teeth 18 is respectively fixedly connected to the first coupling block 1 and the second coupling block 5, and the first coupling block 1 and the second coupling block 5 are connected to each other through the second transmission gear 18. 5 can realize the coordinated rotation of the two machines, the two connecting blocks 17 are fixedly connected to the sides of the first coupling block 1 and the second coupling block 5 respectively, and the first coupling block 1 and the second coupling block 5 are provided with a spacer sleeve 2 outside, and the first force transmission tooth 4 and the second force transmission tooth 18 can be protected by the spacer sleeve 2 to reduce contact with the external air, reduce corrosion, extend the service life and reduce the replacement frequency, the sides of the two screws 8 are connected with the internal threads of the connecting block 17, and the side of the first force transmission tooth 4 is provided with a groove 15, and the first clamping block 13 is clamped in the groove 15 on the side of the first force transmission tooth 4 to fix it.

[0030] Working principle: when it is needed, first lift the second clamping block 16 through the pull ring 9, then insert the access rod 7, loosen the pull ring 9 to fix the second clamping block 16 to the access rod 7, and then use the screw 8 to fix the second clamping block 16 to make the access rod 7 more firmly installed, and then install the two polyurethane gear rings 11 on the side of the first coupling block 1 and the side of the second coupling block 5 respectively, first install the first force transmission tooth 4 on the third coupling block 3, first insert the movable block 10 and then rotate it to fix the first clamping block 13 to the first force transmission tooth 4, and then install the third coupling block 3 between the first coupling block 1 and the second coupling block 5, and then install the isolation sleeve 2, when the first force transmission tooth 4 is damaged, the movable block 10 can be pulled out, and then the spring 12 can reset the first clamping block 13, and then the damaged first force transmission tooth 4 can be replaced.

[0031] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A high-precision double-protection elastic double-tooth coupling, characterized in that: include: A third coupling block (3) and two connecting blocks (17); the third coupling block (3) is internally movably connected to a plurality of first force transmission teeth (4); the third coupling block (3) is internally fixedly connected to a plurality of protective shells (14); the inner walls of the plurality of protective shells (14) are fixedly connected to two springs (12); one end of the two springs (12) is fixedly connected to the side of the first clamping block (13); the other sides of the plurality of first clamping blocks (13) are movably connected to the movable block (10); the sides of the plurality of movable blocks (10) are movably connected to the inner wall of the protective shell (14); and one end of the plurality of first clamping blocks (13) extending out of the protective shell (14) is slidably connected to the inside of the first force transmission teeth (4); The two connecting blocks (17) are each provided with a second clamping block (16) inside, the upper surfaces of the two second clamping blocks (16) are each fixedly connected to a pull ring (9), the upper surfaces of the two second clamping blocks (16) are each movably connected to a screw (8), and the lower surfaces of the two second clamping blocks (16) are slidably connected to the inside of the access rod (7).

2. A high-precision double-protection elastic double-tooth coupling according to claim 1, characterized in that: A second force transmission tooth (18) is provided between two connected first force transmission teeth (4), and a polyurethane gear ring (11) is movably connected between the first force transmission teeth (4) and the second force transmission teeth (18).

3. A high-precision double-protection elastic double-tooth coupling according to claim 2, characterized in that: One end of each of the plurality of second force transmission teeth (18) is respectively fixedly connected to the first coupling block (1) and the second coupling block (5).

4. A high-precision double-protection elastic double-tooth coupling according to claim 1, characterized in that: The two connection blocks (17) are respectively fixedly connected to the side surfaces of the first coupling block (1) and the second coupling block (5).

5. A high-precision double-protection elastic double-tooth coupling according to claim 4, characterized in that: A spacing sleeve (2) is arranged outside the first coupling block (1) and the second coupling block (5).

6. A high-precision double-protection elastic double-tooth coupling according to claim 1, characterized in that: The side surfaces of the two screws (8) are both connected to the inner threads of the connection block (17).

7. A high-precision double-protection elastic double-tooth coupling according to claim 1, characterized in that: A groove (15) is provided on the side surface of the first force transmission tooth (4).

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