Wear-resistant structure for coupler

By introducing a support box and a limiting block structure into the coupling, the installation and replacement process of the buffer spring is simplified, and the problem of inconvenient replacement of the buffer spring in the prior art is solved, ensuring the wear resistance of the coupling.

CN223257339UActive Publication Date: 2025-08-22NANTONG JIANGXIN TRANSMISSION TECHNOLOGY CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422989736.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-08-22
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

The buffer springs of existing couplings are inconvenient to replace, resulting in a decrease in buffering effect and inability to maintain effectively.

Method used

A wear-resistant structure for coupling is designed. Through the combination of the support box and the limiting block, the buffer spring is easily installed and replaced. The combination of the mounting column and limiting block is used to simplify the disassembly and installation process of the buffer spring.

Benefits of technology

It realizes convenient replacement of cushioning springs, ensures good cushioning effect of couplings, and extends the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223257339U_ABST
    Figure CN223257339U_ABST
Patent Text Reader

Abstract

The utility model discloses a wear-resistant structure for a coupler, and particularly relates to the technical field of couplings, the wear-resistant structure comprises an elastic plate, a plurality of annularly arranged supporting boxes are arranged on the outer surface of the elastic plate, an elastic ring is sleeved on the outer surface of each supporting box, and wear-resistant blocks are fixedly mounted on two sides of the outer surface of each elastic ring. And the two wear-resistant blocks are in a hollow state. According to the abrasion-resistant structure for the coupler, in actual work, two buffer springs are inserted into two abrasion-resistant blocks through two connecting holes respectively, then the mounting columns are inserted into the supporting box, the mounting columns abut against the two mounting plates, limiting blocks can penetrate through limiting holes, and the two abrasion-resistant blocks are fixed through the limiting holes. The two buffer springs can be installed by rotating the limiting block till the limiting block does not coincide with the limiting hole, the two buffer springs can be pulled out by only rotating the limiting block till the limiting block coincides with the limiting hole, the two buffer springs can be pulled out, and therefore the buffer springs can be replaced conveniently, and the good buffer effect is ensured.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of couplings, in particular to a wear-resistant structure for couplings. Background Art

[0002] A coupling is a mechanical device used to connect two or more rotating shafts, enabling torque or motion to be transmitted between the shafts at different angles and positions. It is usually used to transmit power and motion, and allows slight deviation, vibration and alignment errors between the shafts.

[0003] After searching, for example, the utility model with the announcement number CN220015868U discloses a wear-resistant structure for a coupling, including an elastic plate, a through opening on the front of the elastic plate, and an outer surface of the elastic plate is fixedly connected to an elastic block arranged in a ring, and the outer surface of each elastic block is fixedly connected to two wear-resistant blocks, and the interior of each wear-resistant block is provided with a cavity. The utility model can achieve a good buffering effect through the cooperation of the buffer spring and the cavity, but the buffer spring will lose its own elastic force after long-term use, and will also be damaged due to external factors, so it needs to be replaced to ensure a good buffering effect, but the utility model is not convenient for replacing the buffer spring. Therefore, in order to solve the above defects, the inventor proposes a wear-resistant structure for a coupling. Utility Model Content

[0004] The main purpose of the utility model is to provide a wear-resistant structure for a coupling, which can effectively solve the problem that the wear-resistant structure of the coupling in the prior art is inconvenient for replacing the buffer spring.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] The cam is secured to a location where the two ends of the cam are connected, and the cam is secured to a location where the two ends of the cam are connected.

[0007] Preferably, the middle part of the bottom surface of the mounting column is rotatably connected to a limiting block, the middle part of the outer bottom surface of the supporting box is provided with a limiting hole, the cross-sectional shapes of the two mounting plates are both arc-shaped, and the two mounting plates are in a mirror image state.

[0008] Preferably, a plurality of fixing sleeves are fixedly installed on the inner wall of the elastic plate, and the plurality of fixing sleeves correspond one-to-one to the plurality of support boxes, a telescopic cylinder is fixedly installed on one side of the outer surface of the fixing sleeve, a connecting spring is fixedly installed on the inner side of the telescopic cylinder, a fixing head is fixedly installed on one end of the connecting spring close to the opening of the telescopic cylinder, and a movable rod is fixedly installed on one side of the fixing head located on the connecting spring, and the movable rod passes through the interior of the connecting spring.

[0009] Preferably, a portion of the movable rod is located inside the telescopic cylinder, and another portion of the movable rod is located outside the telescopic cylinder, and a handle is fixedly mounted on one end of the movable rod located outside the telescopic cylinder.

[0010] Preferably, a fixing block is fixedly mounted on one side of the outer surface of the elastic ring, a clamping groove is provided on the bottom surface of the fixing block, and a fixing hole is provided on one side of the outer surface of the fixing block.

[0011] Preferably, the cross-sectional shape of the limiting block and the cross-sectional shape of the limiting hole are both rectangular, and the size of the limiting block is the same as the size of the limiting hole.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] The utility model discloses a wear-resistant structure for a coupling. By arranging a support box, in actual work, two buffer springs are respectively inserted into the interior of two wear-resistant blocks through two connecting holes, and then the mounting post is inserted into the support box. The mounting post will press the two mounting plates, and the limit block will pass through the limit hole. The limit block is rotated until it does not coincide with the limit hole, and the installation of the two buffer springs can be completed. The limit block only needs to be rotated until it coincides with the limit hole, and the mounting post can be pulled out, and the two buffer springs can be pulled out, so that the buffer springs are easy to replace, so as to ensure a good buffering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic cross-sectional view of the support box of the present invention;

[0016] Figure 3 This is a schematic diagram of the mounting column structure of the utility model;

[0017] Figure 4 This is a schematic cross-sectional view of the telescopic cylinder of the present invention;

[0018] Figure 5 This is a schematic diagram of the elastic plate structure of the present utility model.

[0019] In the figure: 1. elastic plate; 2. support box; 201. elastic ring; 202. wear-resistant block; 203. support rod; 204. buffer spring; 205. support head; 206. mounting plate; 207. mounting column; 208. connecting hole; 2071. limit block; 2072. limit hole; 101. fixing sleeve; 102. connecting spring; 103. movable rod; 104. fixing head; 105. telescopic cylinder; 2011. fixing block; 2012. slot; 2013. fixing hole. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] The utility model discloses a wear-resistant structure for a coupling, such as Figure 1-5 As shown, it includes an elastic plate 1, the outer surface of the elastic plate 1 is provided with a plurality of support boxes 2 arranged in a ring, the outer surface of the support box 2 is provided with an elastic ring 201, and wear-resistant blocks 202 are fixedly installed on both sides of the outer surface of the elastic ring 201. The wear-resistant blocks 202 can effectively improve the wear-resistant effect, and the two wear-resistant blocks 202 are hollow.

[0022] Two support rods 203 are fixedly installed on one side of the outer surface of the elastic ring 201 located inside the two wear-resistant blocks 202, and the four support rods 203 are respectively fixedly connected to the inner walls of the two wear-resistant blocks 202. The material of the four support rods 203 is rubber. The support rods 203 can support the two wear-resistant blocks 202.

[0023] Connecting holes 208 are provided on both sides of the interior of the support box 2, and the support box 2 is connected to the two wear-resistant blocks 202 through the two connecting holes 208. Two buffer springs 204 are provided inside the support box 2, and part of the two buffer springs 204 are respectively located inside the two wear-resistant blocks 202, and the other parts of the two buffer springs 204 are both located inside the support box 2. The buffer springs 204 can be inserted into the interior of the wear-resistant block 202 through the connecting holes 208.

[0024] The two buffer springs 204 are both fixedly installed with a support head 205 at one end located inside the two wear-resistant blocks 202. When the buffer springs 204 are inserted into the wear-resistant block 202, the support head 205 will contact the inner wall of the wear-resistant block 202, and the two buffer springs 204 are both fixedly installed with a mounting plate 206 at one end located inside the support box 2. A mounting column 207 is provided inside the support box 2. The cross-sectional shape of the two mounting plates 206 is both arc-shaped, so that they can better fit the outer surface of the mounting column 207, and the two mounting plates 206 are in a mirror image state.

[0025] Insert the two buffer springs 204 into the interior of the two wear-resistant blocks 202 through the two connecting holes 208 respectively, and then insert the mounting post 207 into the support box 2. The mounting post 207 will press the two mounting plates 206 to prevent the buffer springs 204 from detaching from the interior of the wear-resistant blocks 202.

[0026] The middle part of the bottom surface of the mounting column 207 is rotatably connected to the limiting block 2071, and a limiting hole 2072 is opened in the middle part of the outer bottom surface of the support box 2. The cross-sectional shape of the limiting block 2071 and the cross-sectional shape of the limiting hole 2072 are both rectangular, and the size of the limiting block 2071 is the same as the size of the limiting hole 2072. When the mounting column 207 is fully inserted into the support box 2, the limiting block 2071 will pass through the limiting hole 2072. Rotate the limiting block 2071 until it does not overlap with the limiting hole 2072, and the mounting column 207 can be fixed to complete the installation of the two buffer springs 204.

[0027] A plurality of fixing sleeves 101 are fixedly installed on the inner wall of the elastic plate 1, and the plurality of fixing sleeves 101 correspond one to one with the plurality of support boxes 2. A telescopic cylinder 105 is fixedly installed on one side of the outer surface of the fixing sleeve 101, and a connecting spring 102 is fixedly installed on one side of the inner side of the telescopic cylinder 105. A fixing head 104 is fixedly installed on one end of the connecting spring 102 close to the opening of the telescopic cylinder 105. When the fixing head 104 moves toward the inside of the telescopic cylinder 105, it will squeeze the connecting spring 102.

[0028] Moreover, a movable rod 103 is fixedly installed on one side of the fixed head 104 located at the connecting spring 102 . The movable rod 103 passes through the inside of the connecting spring 102 . Pulling the movable rod 103 toward the outside of the telescopic cylinder 105 can drive the fixed head 104 to squeeze the connecting spring 102 .

[0029] A portion of the movable rod 103 is located inside the telescopic cylinder 105 , and another portion of the movable rod 103 is located outside the telescopic cylinder 105 . A handle is fixedly mounted on one end of the movable rod 103 located outside the telescopic cylinder 105 .

[0030] A fixing block 2011 is fixedly installed on one side of the outer surface of the elastic ring 201, and a slot 2012 is provided on the bottom surface of the fixing block 2011. The cross-sectional shape of the slot 2012 is arc-shaped, and a fixing hole 2013 is provided on one side of the outer surface of the fixing block 2011. The movable rod 103 is pulled toward the outside of the telescopic cylinder 105 to drive the fixing head 104 to move into the telescopic cylinder 105 and squeeze the connecting spring 102. Then, the fixing block 2011 is clamped to the side of the elastic plate 1 through the slot 2012 and inserted into the interior of the fixing sleeve 101. After that, the movable rod 103 is released, and the squeezed connecting spring 102 will push the fixing head 104 to reset, so that the fixing head 104 is inserted into the fixing hole 2013, so that the support box 2 is installed on the side of the elastic plate 1. Then, when one of the support boxes 2 is damaged, only the more damaged support box 2 is needed.

[0031] The working principle of the present utility model is as follows: the two buffer springs 204 are respectively inserted into the interior of the two wear-resistant blocks 202 through the two connecting holes 208, and then the mounting column 207 is inserted into the support box 2, the mounting column 207 will press the two mounting plates 206, and the limit block 2071 will pass through the limit hole 2072. The limit block 2071 is rotated until it does not coincide with the limit hole 2072, and the installation of the two buffer springs 204 can be completed. When the buffer spring 204 is damaged and needs to be replaced, it is only necessary to rotate the limit block 2071 until it coincides with the limit hole 2072, and the mounting column 207 can be pulled out, and the two buffer springs 204 can be pulled out so that the buffer spring 204 can be replaced.

[0032] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A wear-resistant structure for a coupling, comprising an elastic plate (1) installed inside the coupling, characterized in that: The outer surface of the elastic plate (1) is provided with a plurality of annularly arranged support boxes (2), the outer surface of the support box (2) is sleeved with an elastic ring (201), wear-resistant blocks (202) are fixedly installed on both sides of the outer surface of the elastic ring (201), and the two wear-resistant blocks (202) are in a hollow state, and two support rods (203) are fixedly installed on one side of the outer surface of the elastic ring (201) located inside the two wear-resistant blocks (202), and the four support rods (203) are respectively fixedly connected to the inner walls of the two wear-resistant blocks (202), and the inner sides of the support box (2) are provided with connection holes (208), and the support box (2) is connected through two The connecting hole (208) is communicated with the two wear-resistant blocks (202); two buffer springs (204) are provided inside the support box (2); a portion of the two buffer springs (204) is respectively located inside the two wear-resistant blocks (202); the other portions of the two buffer springs (204) are both located inside the support box (2); a support head (205) is fixedly mounted on one end of the two buffer springs (204) located inside the two wear-resistant blocks (202); a mounting plate (206) is fixedly mounted on one end of the two buffer springs (204) located inside the support box (2); and a mounting column (207) is provided inside the support box (2).

2. The wear-resistant structure for a coupling according to claim 1, characterized in that: The middle of the bottom surface of the mounting column (207) is rotatably connected to a limiting block (2071), and a limiting hole (2072) is provided in the middle of the outer bottom surface of the support box (2). The cross-sectional shapes of the two mounting plates (206) are both arc-shaped, and the two mounting plates (206) are in a mirror image state.

3. The wear-resistant structure for a coupling according to claim 1, characterized in that: A plurality of fixing sleeves (101) are fixedly mounted on the inner wall of the elastic plate (1), and the plurality of fixing sleeves (101) correspond one to one with the plurality of support boxes (2). A telescopic cylinder (105) is fixedly mounted on one side of the outer surface of the fixing sleeve (101), a connecting spring (102) is fixedly mounted on one side of the inner surface of the telescopic cylinder (105), a fixing head (104) is fixedly mounted on one end of the connecting spring (102) close to the opening of the telescopic cylinder (105), and a movable rod (103) is fixedly mounted on the fixing head (104) located on one side of the connecting spring (102), and the movable rod (103) passes through the interior of the connecting spring (102).

4. The wear-resistant structure for a coupling according to claim 3, characterized in that: A portion of the movable rod (103) is located inside the telescopic cylinder (105), and another portion of the movable rod (103) is located outside the telescopic cylinder (105). A handle is fixedly mounted on one end of the movable rod (103) located outside the telescopic cylinder (105).

5. The wear-resistant structure for a coupling according to claim 1, characterized in that: A fixing block (2011) is fixedly mounted on one side of the outer surface of the elastic ring (201), a clamping groove (2012) is provided on the bottom surface of the fixing block (2011), and a fixing hole (2013) is provided on one side of the outer surface of the fixing block (2011).

6. The wear-resistant structure for a coupling according to claim 2, characterized in that: The cross-sectional shape of the limiting block (2071) and the cross-sectional shape of the limiting hole (2072) are both rectangular, and the size of the limiting block (2071) is the same as the size of the limiting hole (2072).

Citation Information

Patent Citations

  • Wear-resistant structure for coupler

    CN220015868U