Anti-attrition dustproof chain structure

Abstract

The utility model relates to the technical field of chains, and discloses an anti-attrition dustproof chain structure which comprises a chain body, a dustproof assembly, a first protection block and a second protection block, wherein the dustproof assembly is rotationally arranged at the two ends of a sleeve of the chain body and used for preventing dust from entering a roller gap between the sleeve and the chain body, and the first protection block and the second protection block are arranged outside the sleeve in a sleeving mode. Mounting grooves are formed in the first protection block and the second protection block, sealing blocks are slidably inserted into the mounting grooves, and the sealing blocks located outside the mounting grooves abut against the chain plates of the chain body. The dustproof assembly is reasonable in structure, the gap between the sleeve and the roller can be sealed, external dust and sundries are prevented from entering the gap between the sleeve and the roller, a user can conveniently detach the dustproof assembly from a chain, the cruising ability of the dustproof assembly can be improved, and the protection performance is high.

Description

Technical Field

[0001] This utility model relates to the field of chain technology, specifically to a wear-reducing and dust-proof chain structure. Background Technology

[0002] In industrial production and daily mechanical operation, chains are widely used as a key transmission component in various equipment and mechanical structures.

[0003] However, in the use of existing chains, external dust and other impurities can easily enter the gap between the pins and sleeves. These dust particles cause additional friction and wear on components such as the pins and sleeves during the relative movement of the chain. Over time, this wear intensifies, causing the various components of the chain to gradually lose their original precision, resulting in fatigue damage, and ultimately affecting the overall transmission efficiency and service life of the chain.

[0004] Therefore, we propose a wear-reducing and dust-proof chain structure. Utility Model Content

[0005] The purpose of this invention is to address the aforementioned shortcomings and provide a wear-reducing and dust-proof chain structure.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0007] This utility model is achieved by the following technical solution: a wear-reducing and dust-proof chain structure, comprising a chain body:

[0008] The dustproof assembly is rotatably mounted at both ends of the sleeve of the chain body to prevent dust from entering the gap between the sleeve and the roller of the chain body, including protective block one and protective block two sleeved on the outside of the sleeve;

[0009] Both the first and second protective blocks are provided with mounting grooves. A sealing block is slidably inserted into the mounting groove. The sealing block located outside the mounting groove abuts against the chain plate of the chain body. The sealing blocks on the first and second protective blocks can seal the gap between the sleeve and the chain plate, preventing external dust and debris from entering the gap between the sleeve and the roller.

[0010] As a further improvement to the above solution, the two ends of the second protective block are provided with snap-fit ​​grooves, and the two ends of the first protective block are fixed with snap-fit ​​blocks that slide inside the adjacent snap-fit ​​grooves. Through the cooperation of the snap-fit ​​grooves and snap-fit ​​blocks, the first protective block and the second protective block can be connected.

[0011] As a further improvement to the above solution, the first protective block is provided with a connecting component for connecting the second protective block. The connecting component includes mounting holes at both ends of the first protective block and a mounting shaft that is slidably inserted into the mounting holes. A connecting piece is rotatably connected to the end of the mounting shaft located outside the mounting holes. A positioning shaft that is fixed on the second protective block is slidably inserted into the end of the connecting piece away from the mounting shaft. Through the operation of the connecting component, the user can easily separate the first protective block and the second protective block from the sleeve.

[0012] As a further improvement to the above solution, multiple push springs are fixed between the sealing block located inside the mounting groove and the inner wall of the mounting groove to push the sealing block to move. By pushing the elasticity of the springs, the sealing block is pushed to move, causing the sealing block to abut against the chain plate, thereby improving the endurance of the sealing block.

[0013] As a further improvement to the above solution, the depth of the mounting hole is greater than the length of the mounting shaft, and the length of the mounting shaft is greater than the length of the positioning shaft. With the mounting shaft having a length greater than that of the positioning shaft, the user can easily disassemble protective block one and protective block two.

[0014] As a further improvement to the above solution, a return spring is fixed between the end of the mounting shaft located inside the mounting hole and the inner wall of the mounting hole for pulling the displaced mounting shaft to reset. The elasticity of the return spring can pull the mounting shaft to reset.

[0015] As a further improvement to the above solution, the rollers of the chain body are provided with receiving grooves at both ends to cooperate with the connecting plate and the positioning shaft. The connecting plate and the positioning shaft slide inside the adjacent receiving grooves, and the rollers are sleeved on the outside of the sleeve. Through the cooperation of the receiving grooves with the connecting plate and the positioning shaft, the protective block one and the protective block two can be driven to rotate when the rollers rotate.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] This invention uses a dustproof component to seal the gap between the sleeve and the roller, preventing external dust and debris from entering the gap and causing additional wear on the chain components, thus improving the service life of the chain body. Through the connecting component, users can easily separate protective block one and protective block two from the sleeve. By pushing the elasticity of the spring, the sealing block is displaced, causing the sealing block to abut against the chain plate, thereby improving the sealing block's endurance.

[0018] In summary, this utility model has a reasonable structure, which can seal the gap between the sleeve and the roller, preventing external dust and debris from entering the gap between the sleeve and the roller. It also allows users to easily detach the dustproof component from the chain, improves the endurance of the dustproof component, and provides high protection performance. Attached Figure Description

[0019] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0020] Figure 1 A schematic diagram of a wear-reducing and dust-proof chain structure;

[0021] Figure 2 This is a cross-sectional view of the sleeve in a friction-reducing and dust-proof chain structure;

[0022] Figure 3 This is a schematic diagram of a connecting piece in a wear-reducing and dust-proof chain structure;

[0023] Figure 4 This is a schematic diagram of a protective block in a wear-reducing and dust-proof chain structure;

[0024] Figure 5 This is a schematic diagram of a protective block two in a wear-reducing and dust-proof chain structure;

[0025] Figure 6 This is a schematic diagram of a sealing block in a friction-reducing and dust-proof chain structure;

[0026] Figure 7 for Figure 4 Enlarged structural diagram at point A in the middle.

[0027] In the diagram: 1. Chain body; 2. Sleeve; 3. Protective block one; 4. Protective block two; 5. Sealing block; 6. Push spring; 7. Snap-fit ​​block; 8. Snap-fit ​​groove; 9. Mounting hole; 10. Mounting shaft; 11. Return spring; 12. Connecting piece; 13. Positioning shaft; 14. Mounting groove. Detailed Implementation

[0028] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0029] Example 1:

[0030] Combination Figure 1 and Figure 4 This embodiment of a wear-reducing and dust-proof chain structure includes a chain body 1.

[0031] The dustproof component is rotatably mounted at both ends of the sleeve 2 of the chain body 1 to prevent dust from entering the gap between the sleeve 2 and the roller of the chain body 1. It includes a protective block 3 and a protective block 4 sleeved on the outside of the sleeve 2. The outer diameter of the protective block 3 and the protective block 4 is smaller than the outer diameter of the roller.

[0032] Both protective block 3 and protective block 4 are provided with mounting grooves 14. A sealing block 15 is slidably inserted into the mounting groove 14. The sealing block 15 located outside the mounting groove 14 abuts against the chain plate of the chain body 1.

[0033] The implementation principle of a friction-reducing and dustproof chain structure in this application embodiment is as follows: the roller is sleeved on the outside of the sleeve 2, so that the roller is connected to the first protective block 3 and the second protective block 4. Through the sealing blocks 15 on the first protective block 3 and the second protective block 4 at both ends of the sleeve 2, the gap between the sleeve 2 and the roller can be sealed, so as to prevent external dust and debris from entering the gap between the sleeve 2 and the roller, causing additional friction and wear on the chain body 1, thereby improving the service life of the chain body 1.

[0034] Example 2:

[0035] Combination Figure 5 Based on embodiment 1, the further improvement of this embodiment is that: the inner walls of protective block 3 and protective block 4 are both fixed with locking blocks 5, and the sleeve 2 is provided with a locking groove 6 that slides with the locking blocks 5, thus limiting protective block 3 and protective block 4 to the outside of the sleeve 2. Through the sliding cooperation of the locking blocks 5 and the locking groove 6, the stability of protective block 3 and protective block 4 outside the sleeve 2 can be improved.

[0036] The protective block 2 4 has snap-fit ​​grooves 8 at both ends, and the protective block 1 3 has snap-fit ​​blocks 7 that slide inside the adjacent snap-fit ​​grooves 8 at both ends. Through the cooperation of the snap-fit ​​grooves 8 and the snap-fit ​​blocks 7, the protective block 1 3 and the protective block 2 4 can be connected.

[0037] Example 3:

[0038] Combination Figure 2 , Figure 3 and Figure 7This embodiment is further improved on the basis of embodiment 1 in that: the first protective block 3 is provided with a connecting component for connecting the second protective block 4. The connecting component includes mounting holes 9 opened at both ends of the first protective block 3 and a mounting shaft 10 slidably inserted into the mounting holes 9. The end of the mounting shaft 10 located outside the mounting holes 9 is rotatably connected to a connecting piece 12. The end of the connecting piece 12 away from the mounting shaft 10 is slidably inserted with a positioning shaft 13 fixed on the second protective block 4. The connecting piece 12 has a connecting hole, and the positioning shaft 13 is slidably inserted into the connecting hole. When it is necessary to separate the first protective block 3 and the second protective block 4 from the outside of the sleeve 2 for maintenance of the chain body 1, the connecting piece 12 can be pulled to move the connecting piece 12. When the positioning shaft 13 is separated from the connecting piece 12, the first protective block 3 and the second protective block 4 can be pulled. When the locking block 5 on the first protective block 3 and the second protective block 4 is disengaged from the slot 6, the first protective block 3 and the second protective block 4 are separated from the sleeve 2.

[0039] Example 4:

[0040] Combination Figure 6 Based on Embodiment 1, this embodiment is further improved in that: multiple push springs 16 are fixed between the sealing block 15 located inside the mounting groove 14 and the inner wall of the mounting groove 14 to push the sealing block 15 to move. When the sealing block 15 wears out after a long period of sealing work and can no longer abut against the chain plate, the elasticity of the push springs 16 is used to push the sealing block 15 to move, so that the sealing block 15 abuts against the chain plate, thereby improving the endurance of the sealing block 15.

[0041] The depth of the mounting hole 9 is greater than the length of the mounting shaft 10, and the length of the mounting shaft 10 is greater than the length of the positioning shaft 13. Through the mounting shaft 10, which is longer than the positioning shaft 13, the user can easily disassemble the protective block 3 and the protective block 4.

[0042] A reset spring 11 is fixed between the end of the mounting shaft 10 located inside the mounting hole 9 and the inner wall of the mounting hole 9. The reset spring 11 can pull the mounting shaft 10 to reset by means of the elasticity of the reset spring 11.

[0043] The rollers of the chain body 1 have receiving grooves at both ends that cooperate with the connecting piece 12 and the positioning shaft 13. The connecting piece 12 and the positioning shaft 13 slide inside the adjacent receiving grooves. Through the cooperation between the receiving grooves of the rollers and the connecting piece 12 and the positioning shaft 13, the connecting piece 12 and the positioning shaft 13 can be driven to rotate when the rollers rotate, thereby driving the first protective block 3 and the second protective block 4 to rotate.

[0044] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention.

Claims

1. A friction-reducing and dust-proof chain structure, comprising a chain body (1), characterized in that: The dustproof assembly is rotatably set at both ends of the sleeve (2) of the chain body (1) to prevent dust from entering the gap between the sleeve (2) and the roller of the chain body (1), including protective block one (3) and protective block two (4) sleeved on the outside of the sleeve (2); Both the first protective block (3) and the second protective block (4) are provided with mounting grooves (14). A sealing block (5) is slidably inserted in the mounting groove (14). The sealing block (5) located outside the mounting groove (14) abuts against the chain plate of the chain body (1).

2. The wear-reducing and dust-proof chain structure as described in claim 1, characterized in that, The protective block 2 (4) has snap-fit ​​grooves (8) at both ends, and the protective block 1 (3) has snap-fit ​​blocks (7) that slide inside the adjacent snap-fit ​​grooves (8) at both ends.

3. The wear-reducing and dust-proof chain structure as described in claim 1, characterized in that, The first protective block (3) is provided with a connecting component for connecting the second protective block (4). The connecting component includes mounting holes (9) at both ends of the first protective block (3) and a mounting shaft (10) that is slidably inserted inside the mounting holes (9). A connecting piece (12) is rotatably connected to the end of the mounting shaft (10) located outside the mounting holes (9). A positioning shaft (13) that is fixed on the second protective block (4) is slidably inserted at the end of the connecting piece (12) away from the mounting shaft (10).

4. The wear-reducing and dust-proof chain structure as described in claim 1, characterized in that, Multiple push springs (6) for pushing the sealing block (5) to move are fixed between the sealing block (5) located inside the mounting groove (14) and the inner wall of the mounting groove (14).

5. The wear-reducing and dust-proof chain structure as described in claim 3, characterized in that, The depth of the mounting hole (9) is greater than the length of the mounting shaft (10), and the length of the mounting shaft (10) is greater than the length of the positioning shaft (13).

6. The wear-reducing and dust-proof chain structure as described in claim 3, characterized in that, A return spring (11) for pulling the displacement mounting shaft (10) to reset is fixed between the end of the mounting shaft (10) located inside the mounting hole (9) and the inner wall of the mounting hole (9).

7. The wear-reducing and dust-proof chain structure as described in claim 2, characterized in that, The chain body (1) has receiving grooves at both ends of the rollers that cooperate with the connecting piece (12) and the positioning shaft (13), and the connecting piece (12) and the positioning shaft (13) slide inside the adjacent receiving grooves.

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