Feed compensation type one-way belt pulley

Abstract

The utility model discloses a feed compensation type one-way belt pulley which comprises an outer ring, an inner ring, a sealing end cover, sealing rubber rings, a rolling assembly, a compensation assembly, a one-way gear ring and a swing pawl, the inner ring is located inside the outer ring, the sealing end cover is fixedly installed at the end of the inner ring, and the sealing rubber rings are located at the upper end and the lower end of the outer ring. The compensation springs are assembled in the spring grooves of the upper spring seat and the spring grooves of the lower spring seat, the elastic fiber column pulls the upper spring seat and the lower spring seat to improve the tension resistance, and the compensation springs assembled in the spring grooves of the upper spring seat and the spring grooves of the lower spring seat keep proper tension through the elastic force of the compensation springs; the pawl is clamped in a tooth groove of the one-way gear ring through swinging; when the one-way gear ring rotates in the forward direction, the swing pawl slides through the one-way gear ring, and when the one-way gear ring rotates in the reverse direction, the swing pawl clamps the one-way gear ring, so that the one-way belt wheel can rotate in the single direction, and rotation is stable.

Description

Technical Field

[0001] The utility model relates to the technical field of belt pulleys, in particular to a feed compensation type one-way belt pulley. Background Art

[0002] The feed compensation type one-way belt pulley plays a crucial role in many industrial applications, especially in occasions where precise control of material transmission or power transmission is required. Such devices achieve one-way transmission of materials or energy through their unique designs and can automatically adjust to a certain extent to adapt to changes in working conditions. However, there are some significant problems with the feed compensation type one-way belt pulleys in the prior art, especially regarding tension maintenance and rotational stability, which limit their application in a wider range of scenarios.

[0003] A key problem is that these belt pulleys often fail to effectively maintain an appropriate belt tension during feed compensation. An ideal belt drive system requires a constant and appropriate tension level throughout the operation to ensure smooth and efficient operation. However, in actual use, due to changes in load or the influence of environmental factors (such as temperature fluctuations), the existing feed compensation mechanisms may not be sufficient to respond to these changes immediately and accurately, resulting in the belt being too tight or too loose. This unstable tension state not only accelerates the wear of the belt and the belt pulley itself but may also cause slipping, thereby affecting the reliability and efficiency of the entire system.

[0004] Unstable one-way rotation is another important problem that plagues users. Ideally, a one-way belt pulley should be able to provide stable directional rotation, ensuring power transmission only in one direction and preventing reverse movement. However, in some cases, due to design defects in the internal mechanical structure or deficiencies in the manufacturing process, some products are prone to reverse rotation after being subjected to large impact loads or long-term continuous operation. This not only violates the essential purpose of the one-way function but also poses potential damage to the connected equipment and even leads to safety accidents.

[0005] When encountering extreme working conditions such as rapid start-up or stop, some existing feed compensation type one-way belt pulleys may exhibit obvious performance degradation. For example, in the case of a sudden increase in load, if the compensation mechanism reacts slowly, it will result in excessive instantaneous tension, which may cause the belt to break in severe cases; conversely, the lack of effective buffering measures during deceleration or stop may also make the belt too loose, reducing the power transmission efficiency during restart. Both of these situations indicate that the current products on the market still have limitations in dealing with complex and changing working conditions.

[0006] Therefore, how to provide a feed compensation type one-way belt pulley is an urgent problem to be solved by those skilled in the art. Content of the Utility Model

[0007] An object of the present utility model is to provide a feed compensation type one-way pulley. In the present utility model, a compensation spring is assembled in the spring grooves of the upper spring seat and the lower spring seat. The elastic fiber column pulls the upper spring seat and the lower spring seat to improve the tensile strength. The compensation spring assembled in the spring grooves of the upper spring seat and the lower spring seat maintains an appropriate tension through its own elastic force; the swing pawl is stuck in the tooth groove of the one-way tooth ring; when the one-way tooth ring rotates in the forward direction, the swing pawl slides over the one-way tooth ring, and when the one-way tooth ring rotates in the reverse direction, the swing pawl catches the one-way tooth ring, so that the one-way pulley can rotate in one direction and the rotation is relatively stable.

[0008] A feed compensation type one-way pulley according to an embodiment of the present utility model includes an outer ring, an inner ring, an end cover, a sealing rubber ring, a rolling assembly, a compensation assembly, a one-way tooth ring and a swing pawl. Among them, the inner ring is located inside the outer ring, the end cover is fixedly installed at the end of the inner ring, the sealing rubber ring is located at the upper and lower ends of the outer ring, the rolling assembly is located inside the upper and lower ends of the outer ring, the compensation assembly is located inside the middle position of the outer ring, the inner wall of the one-way tooth ring is fixedly installed on the outer wall of the inner ring, and the shaft of the swing pawl is rotatably installed at the upper and lower ends of the compensation assembly.

[0009] Further, flange members are fixedly provided at the upper and lower ends of the outer ring, and pulley grooves are fixedly provided on the outer surface of the outer ring.

[0010] Further, bolts are threadedly provided on the end cover, and the threaded ends of the bolts are threadedly embedded in the end of the inner ring.

[0011] Further, a convex ring is fixedly provided on the outer side of the sealing rubber ring, and the convex ring is fixedly installed on the inner walls of the upper and lower ends of the outer ring.

[0012] Further, the rolling assembly includes four bearing bodies and a gasket ring. Every two of the four bearing bodies form a group. The two groups of bearing bodies are located at the upper and lower ends inside the outer ring. The bearing bodies are located between the outer ring and the inner ring, and the gasket ring is located between the outer ring and the inner ring and is located between two bearings in the same group.

[0013] Further, the bearing body is composed of a bearing outer ring, a bearing inner ring, rolling balls and a cage. The bearing outer ring is sleeved on the bearing inner ring, the rolling balls are rotatably installed in the cage, and the rolling balls and the cage are rotatably embedded between the bearing outer ring and the bearing inner ring.

[0014] Further, the compensation assembly includes an upper spring seat, a lower spring seat, a spring groove and a compensation spring. Among them, the outer side of the upper spring seat is clamped on the inner wall of the outer ring, the inner side of the lower spring seat is provided on the outer side of the inner ring, the spring groove is opened on the end faces of the opposite ends of the upper spring seat and the lower spring seat, the top of the compensation spring is fixedly installed in the spring groove of the upper spring seat, and the bottom of the compensation spring is fixedly installed in the spring groove of the lower spring seat.

[0015] Further, the compensation assembly further includes an elastic fiber column. The top of the elastic fiber column is fixedly installed at the bottom of the upper spring seat, and the bottom of the elastic fiber column is fixedly installed at the top of the lower spring seat.

[0016] The beneficial effects of the present utility model are as follows:

[0017] In the present utility model, a compensation spring is assembled in the spring groove of the upper spring seat and the spring groove of the lower spring seat. The elastic fiber column pulls the upper spring seat and the lower spring seat to improve the tensile resistance. The compensation spring assembled in the spring groove of the upper spring seat and the spring groove of the lower spring seat maintains an appropriate tension through its own elastic force; the swing pawl is stuck in the tooth groove of the one-way tooth ring; when the one-way tooth ring rotates in the forward direction, the swing pawl slides over the one-way tooth ring, and when the one-way tooth ring rotates in the reverse direction, the swing pawl catches the one-way tooth ring, so that the one-way pulley can rotate in one direction and rotates relatively stably. Description of the Drawings

[0018] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model and do not constitute a limitation to the present utility model. In the drawings:

[0019] Figure 1 is a cross-sectional view of the whole of a feed compensation type one-way pulley proposed by the present utility model;

[0020] Figure 2 is a feed compensation type one-way pulley proposed by the present utility model Figure 1 of the enlarged view at A;

[0021] Figure 3 is a feed compensation type one-way pulley proposed by the present utility model Figure 1 of the enlarged view at B;

[0022] Figure 4 is a schematic structural diagram of the whole of a feed compensation type one-way pulley proposed by the present utility model;

[0023] Figure 5 is a schematic structural diagram of the one-way tooth ring of a feed compensation type one-way pulley proposed by the present utility model.

[0024] In the figure: 1. Outer ring; 1.1 Flange member; 1.2 Pulley groove; 2. Inner ring; 3. Sealing end cap; 3.1 Bolt; 4. Sealing rubber ring; 4.1 Convex ring; 5. Rolling assembly; 5.1 Bearing body; 5.2 Spacer ring; 5.3 Bearing outer ring; 5.4 Bearing inner ring; 5.5 Ball; 5.6 Cage; 6. Compensation assembly; 6.1 Upper spring seat; 6.2 Lower spring seat; 6.3 Spring groove; 6.4 Compensation spring; 6.5 Elastic fiber column; 7. One-way toothed ring; 8. Swing pawl. Detailed implementation mode

[0025] Now, the present utility model will be further described in detail with reference to the accompanying drawings. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present utility model in a schematic manner, so they only show the components related to the present utility model.

[0026] Please refer to Figures 1 to 5 , the present utility model provides a feed compensation type one-way pulley, including an outer ring 1, an inner ring 2, a sealing end cap 3, a sealing rubber ring 4, a rolling assembly 5, a compensation assembly 6, a one-way toothed ring 7 and a swing pawl 8. Among them, the inner ring 2 is located inside the outer ring 1, there is an internal thread inside the inner ring 2, the sealing end cap 3 is fixedly installed at the end of the inner ring 2, the sealing rubber ring 4 is located at the upper and lower ends of the outer ring 1, the rolling assembly 5 is located inside the upper and lower ends of the outer ring 1, the compensation assembly 6 is located inside the middle position of the outer ring 1, the inner wall of the one-way toothed ring 7 is fixedly installed on the outer wall of the inner ring 2, the shaft of the swing pawl 8 is rotatably installed at the upper and lower ends of the compensation assembly 6, there are eight swing pawls 8, and the eight swing pawls 8 are arranged at equal angles.

[0027] Specifically, flange members 1.1 are fixedly arranged at the upper and lower ends of the outer ring 1, a pulley groove 1.2 is fixedly arranged on the outer surface of the outer ring 1, bolts 3.1 are arranged on the sealing end cap 3 in a threaded manner, and the threaded ends of the bolts 3.1 are threadedly embedded into the end of the inner ring 2. A convex ring 4.1 is fixedly arranged on the outer side of the sealing rubber ring 4, and the convex ring 4.1 is fixedly installed on the inner walls of the upper and lower ends of the outer ring 1.

[0028] More specifically, the rolling assembly 5 includes four bearing bodies 5.1 and a spacer ring 5.2. Every two of the four bearing bodies 5.1 form a group, and the two groups of bearing bodies 5.1 are located at the upper and lower ends inside the outer ring 1. The bearing bodies 5.1 are located between the outer ring 1 and the inner ring 2. The spacer ring 5.2 is located between the outer ring 1 and the inner ring 2, and the spacer ring 5.2 is located between two bearings in the same group. The bearing body 5.1 is composed of a bearing outer ring 5.3, a bearing inner ring 5.4, a ball 5.5 and a cage 5.6. The bearing outer ring 5.3 is sleeved on the bearing inner ring 5.4, the ball 5.5 is rotatably installed in the cage 5.6, and the ball 5.5 and the cage 5.6 are rotatably embedded between the bearing outer ring 5.3 and the bearing inner ring 5.4.

[0029] More specifically, the compensation component 6 includes an upper spring seat 6.1, a lower spring seat 6.2, a spring groove 6.3 and a compensation spring 6.4. Among them, the outer side of the upper spring seat 6.1 is clamped on the inner wall of the outer ring 1, the inner side of the lower spring seat 6.2 is provided on the outer side of the inner ring 2, the spring groove 6.3 is opened on the end faces of the opposite ends of the upper spring seat 6.1 and the lower spring seat 6.2, the top of the compensation spring 6.4 is fixedly installed in the spring groove 6.3 of the upper spring seat 6.1, the bottom of the compensation spring 6.4 is fixedly installed in the spring groove 6.3 of the lower spring seat 6.2. The compensation component 6 further includes an elastic fiber column 6.5. The top of the elastic fiber column 6.5 is fixedly installed at the bottom of the upper spring seat 6.1, and the bottom of the elastic fiber column 6.5 is fixedly installed at the top of the lower spring seat 6.2. The elastic fiber column 6.5 is used to improve the tensile resistance ability.

[0030] Furthermore, the internal thread of the inner ring 2 is used for installation in an external device, and the pulley groove 1.2 of the outer ring 1 is used for sleeving on a belt strip.

[0031] The outer side of the upper spring seat 6.1 is clamped on the inner wall of the outer ring 1, and the upper spring seat 6.1 and the outer ring 1 are in interference fit. The inner side of the lower spring seat 6.2 is provided on the outer side of the inner ring 2, and the lower spring seat 6.2 and the inner ring 2 are in interference fit. The compensation spring 6.4 is assembled in the spring groove 6.3 of the upper spring seat 6.1 and the spring groove 6.3 of the lower spring seat 6.2. The elastic fiber column 6.5 pulls the upper spring seat 6.1 and the lower spring seat 6.2 to improve the tensile resistance ability. The compensation spring 6.4 assembled in the spring groove 6.3 of the upper spring seat 6.1 and the spring groove 6.3 of the lower spring seat 6.2 maintains an appropriate tension through its own elastic force.

[0032] Through the bearing outer ring 5.3, the bearing inner ring 5.4, the rolling balls 5.5 and the cage 5.6, the outer ring 1 and the inner ring 2 can rotate freely. The internal of the one-way toothed ring 7 is fixedly sleeved on the outer wall of the inner ring 2, and the one-way toothed ring 7 and the inner ring 2 are in interference fit. The swing pawl 8 is stuck in the tooth groove of the one-way toothed ring 7. When the one-way toothed ring 7 rotates in the forward direction, the swing pawl 8 slides over the one-way toothed ring 7. When the one-way toothed ring 7 rotates in the reverse direction, the swing pawl 8 catches the one-way toothed ring 7, so that the one-way pulley can rotate in one direction and rotates relatively stably.

[0033] The above is only the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present invention.

Claims

1. A feed compensation type one-way pulley, characterized in that, It includes an outer ring (1), an inner ring (2), an end cover (3), a sealing rubber ring (4), a rolling component (5), a compensation component (6), a one-way gear ring (7) and a swinging pawl (8). Among them, the inner ring (2) is located inside the outer ring (1), the end cover (3) is fixedly installed at the end of the inner ring (2), the sealing rubber ring (4) is located at the upper and lower ends of the outer ring (1), the rolling component (5) is located inside the upper and lower ends of the outer ring (1), the compensation component (6) is located inside the middle position of the outer ring (1), the inner wall of the one-way gear ring (7) is fixedly installed on the outer wall of the inner ring (2), and the shaft of the swinging pawl (8) is rotatably installed at the upper and lower ends of the compensation component (6).

2. The one-way pulley with feed compensation according to claim 1, characterized in that, Flange members (1.1) are fixedly provided at the upper and lower ends of the outer ring (1), and a pulley groove (1.2) is fixedly provided on the outer surface of the outer ring (1).

3. The one-way pulley with feed compensation according to claim 1, characterized in that, A bolt (3.1) is threadedly provided on the end cover (3), and the threaded end of the bolt (3.1) is threadedly embedded into the end of the inner ring (2).

4. The one-way pulley with feed compensation according to claim 1, characterized in that, A convex ring (4.1) is fixedly provided on the outer side of the sealing rubber ring (4), and the convex ring (4.1) is fixedly installed on the inner walls of the upper and lower ends of the outer ring (1).

5. A feed compensation type one-way pulley according to claim 1, characterized in that, The rolling component (5) includes four bearing bodies (5.1) and a gasket ring (5.2). Every two of the four bearing bodies (5.1) form a group. The two groups of bearing bodies (5.1) are located at the upper and lower ends inside the outer ring (1). The bearing bodies (5.1) are located between the outer ring (1) and the inner ring (2). The gasket ring (5.2) is located between the outer ring (1) and the inner ring (2), and the gasket ring (5.2) is located between two bearings of the same group.

6. The one-way pulley with feed compensation according to claim 5, characterized in that, The bearing body (5.1) is composed of a bearing outer ring (5.3), a bearing inner ring (5.4), rolling balls (5.5) and a cage (5.6). The bearing outer ring (5.3) is sleeved on the bearing inner ring (5.4). The rolling balls (5.5) are rotatably installed in the cage (5.6). The rolling balls (5.5) and the cage (5.6) are rotatably embedded between the bearing outer ring (5.3) and the bearing inner ring (5.4).

7. The one-way pulley with feed compensation according to claim 1, wherein The compensation component (6) includes an upper spring seat (6.1), a lower spring seat (6.2), a spring groove (6.3) and a compensation spring (6.4). Among them, the outer side of the upper spring seat (6.1) is clamped on the inner wall of the outer ring (1), the inner side of the lower spring seat (6.2) is opened on the outer side of the inner ring (2), the spring groove (6.3) is opened on the end faces of the opposite ends of the upper spring seat (6.1) and the lower spring seat (6.2), the top of the compensation spring (6.4) is fixedly installed in the spring groove (6.3) of the upper spring seat (6.1), and the bottom of the compensation spring (6.4) is fixedly installed in the spring groove (6.3) of the lower spring seat (6.2).

8. The one-way pulley with feed compensation according to claim 7, characterized in that, The compensation component (6) further includes an elastic fiber column (6.5). The top of the elastic fiber column (6.5) is fixedly installed at the bottom of the upper spring seat (6.1), and the bottom of the elastic fiber column (6.5) is fixedly installed at the top of the lower spring seat (6.2).

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