Self-correcting generator one-way belt pulley
By introducing a combination design of one-way ring, fixing rod, cam and torsion spring on the one-way pulley, the automatic correction of the belt strip is achieved, which solves the problem of easy pulley disengagement and position deviation, and improves the transmission efficiency and service life.
Patent Information
- Application Number
- CN202422801420.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-18
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-11-18
AI Technical Summary
The existing one-way pulleys are easy to disengage and lack self-correction capabilities, resulting in low power transmission efficiency, increased noise and difficult maintenance.
One-way rotation is achieved by using a one-way ring, a fixing rod, a cam and a torsion spring. By disassembling the fastening bolts, the correction shaft and a correction roller are installed, and the correction assembly is driven to move by the pulley rotation. The correction roller presses the belt strip and adjusts the tightening bolts to keep the belt strip in the V-shaped alveolar.
Effectively prevent the belt strip from falling apart, maintaining the best position, improving power transmission efficiency, reducing noise, reducing maintenance costs and operating difficulty.
Smart Images

Figure CN223294189U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pulleys, in particular to a self-correcting one-way pulley for a generator. Background Art
[0002] In modern machinery, one-way pulleys are a key component widely used in generators, air conditioning compressors, and other power transmission systems. These devices transfer engine power to other components via belts, enabling efficient energy conversion and utilization. However, the one-way pulleys currently in widespread use suffer from significant drawbacks, particularly the tendency for the belt to become dislodged and the inability to accurately adjust the belt's position.
[0003] A major drawback of existing one-way pulley designs is that the belt easily slips out of the belt groove. This is primarily due to the oversimplified structure of traditional one-way pulleys, which lack adequate anti-slip mechanisms to ensure the belt remains firmly on its intended path. When the equipment experiences sudden acceleration or deceleration, or when the belt ages and relaxes due to prolonged use, the belt is very likely to slip out of its proper path. This not only directly impacts power transmission efficiency but can also cause failure or even damage to the entire drive system, increasing repair costs and downtime.
[0004] Existing one-way pulleys do not have the function of automatically adjusting the belt position. This means that even if the belt position can be set correctly at the beginning of installation, it is difficult to ensure that it always remains in optimal condition during long-term use. As the belt gradually wears and lengthens, or due to the thermal expansion and contraction effects caused by external environmental changes (such as temperature fluctuations), the belt may deviate from the center line and deviate to one side. This deviation not only increases the wear rate of the belt edge and reduces the service life, but also causes unnecessary noise, affecting the user experience. More importantly, incorrect belt positioning will cause the transmission ratio to change, which in turn affects the performance of the entire system.
[0005] The lack of a self-correcting mechanism also means that users need to manually check and adjust the belt position regularly to ensure it is in ideal working condition. For applications that are installed in difficult-to-reach locations or require frequent maintenance, this process is not only time-consuming and labor-intensive, but also increases the operator's labor intensity.
[0006] Therefore, how to provide a self-correcting generator one-way pulley is a problem that those skilled in the art urgently need to solve. Utility Model Content
[0007] One purpose of the present invention is to propose a self-correcting one-way pulley of a generator, which realizes one-way rotation through a one-way ring, a fixing rod, a cam and a torsion spring, and then removes the correction shaft and the correction roller by disassembling the fastening bolts, and then puts the belt strip on the V-shaped teeth of the pulley, and then fastens the correction shaft and the correction roller to the slide seat again by the fastening bolts. The rotation of the pulley drives the correction assembly to move to the bottom of the pulley, and the rotation of the pulley drives the rotation of the belt strip. The belt strip will limit the sliding of the slide seat, and the correction roller will press the belt strip, and adjust the force of the tightening bolt on the bottom surface of the sliding groove. By adjusting the force of the correction roller on the belt strip, the correction belt strip is kept in place to prevent the belt strip from leaving the tooth groove of the V-shaped teeth.
[0008] According to an embodiment of the present invention, a self-correcting generator one-way pulley comprises an outer wheel, an inner wheel, a bearing, a sealing assembly, a one-way assembly and a correction assembly, wherein the outer wheel is sleeved on the inner wheel, the outer side of the bearing is fixedly mounted on the inner wall of the outer wheel, the inner side of the bearing is fixedly mounted on the outer wall of the inner wheel, the sealing assembly is mounted on the upper and lower ends of the outer wheel and the inner wheel, the one-way assembly is fixedly mounted on the outer wheel and the inner wheel, and the correction assembly is mounted on the upper and lower ends of the outer wheel;
[0009] The correction assembly includes a correction shaft and a correction roller. Both ends of the correction shaft make circular motion around the center line of the outer wheel, and the correction roller is rotatably mounted on the correction shaft.
[0010] Furthermore, flanges are fixedly provided at the upper and lower ends of the outer wheel, and V-shaped teeth are fixedly provided on the outer surface of the outer wheel.
[0011] Furthermore, a thread groove is provided inside the inner wheel.
[0012] Furthermore, the bearing component is composed of an outer ring, an inner ring, a retaining frame and rollers.
[0013] Furthermore, the outer wall of the outer ring is fixedly mounted on the inner wall of the outer wheel, the inner wall of the inner ring is fixedly mounted on the outer wall of the inner wheel, the retaining frame is located between the outer ring and the inner ring, and the roller is rotatably mounted in the retaining frame.
[0014] Furthermore, the sealing assembly includes a first sealing ring, a second sealing ring and a third sealing ring, wherein the outer wall slider of the first sealing ring is slidably embedded in the inner top of the outer wheel, the inner wall slider of the second sealing ring is slidably embedded in the top of the outer side of the inner wheel, the joint between the first sealing ring and the second sealing ring is a sliding fit, and the outer wall slider of the third sealing ring is slidably embedded in the inner bottom of the outer wheel.
[0015] Furthermore, the one-way assembly includes a one-way ring, a fixed rod, a cam and a torsion spring, wherein the inner wall of the one-way ring is fixedly mounted on the outer wall of the inner wheel, one end of the fixed rod is fixedly mounted on the inner wall of the outer wheel, the cam is rotatably mounted on the other end of the fixed rod, one end of the torsion spring is fixedly mounted on the convex ring of the fixed rod, and the other end of the torsion spring is fixedly mounted on the cam.
[0016] Furthermore, the correction assembly also includes a sliding groove, a sliding seat, a rolling wheel, a fastening bolt and a tightening bolt, wherein the sliding groove is opened on the outer surface of the flange member, the sliding seat is slidably installed in the sliding groove, the rolling wheel is located in the sliding groove, and the rolling wheel is rotatably installed on both sides of the sliding seat, the threaded end of the fastening bolt passes through the sliding seat, and the threaded end of the fastening bolt is threaded into the two ends of the correction shaft, the threaded end of the tightening bolt is screwed into the sliding seat, and the threaded end of the tightening bolt is pressed against the bottom surface of the sliding groove.
[0017] The beneficial effects of the utility model are:
[0018] The utility model realizes the one-way rotation through the one-way ring, the fixing rod, the cam and the torsion spring, and then the correction shaft and the correction roller are removed by dismantling the fastening bolt, and the belt strip is put on the V-shaped tooth of the pulley, and the correction shaft and the correction roller are fastened to the slide again by the fastening bolt. The rotation of the pulley drives the correction assembly to move to the bottom of the pulley, and the rotation of the pulley drives the rotation of the belt strip. The belt strip will limit the sliding of the slide, and the correction roller will press the belt strip, and the force of the tightening bolt on the bottom surface of the sliding groove is adjusted. The force of the correction roller on the belt strip is adjusted to tighten the belt strip, so that the correction belt strip is kept in place, and the belt strip is prevented from falling off the tooth groove of the V-shaped tooth. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0020] Figure 1 This is a cross-sectional view of the outer pulley of a self-correcting generator one-way pulley proposed in the utility model;
[0021] Figure 2 This utility model proposes a self-correcting generator one-way pulley Figure 1 A magnified view of point A;
[0022] Figure 3 This utility model proposes a self-correcting generator one-way pulley Figure 1 Enlarged view of point B;
[0023] Figure 4This is a schematic diagram of the overall structure of a self-correcting generator one-way pulley proposed by the utility model.
[0024] In the figure: 1. Outer wheel; 1.1. Flange; 1.2. V-shaped tooth; 2. Inner wheel; 2.1. Threaded groove; 3. Bearing; 3.1. Outer ring; 3.2. Inner ring; 3.3. Retaining frame; 3.4. Roller; 4. Sealing assembly; 4.1. First sealing ring; 4.2. Second sealing ring; 4.3. Third sealing ring; 5. One-way assembly; 5.1. One-way ring; 5.2. Fixing rod; 5.3. Cam; 5.4. Torsion spring; 6. Correction assembly; 6.1. Correction shaft; 6.2. Correction roller; 6.3. Sliding groove; 6.4. Sliding seat; 6.5. Rolling wheel; 6.6. Fastening bolt; 6.7. Tightening bolt. DETAILED DESCRIPTION
[0025] The present invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic diagrams that illustrate the basic structure of the present invention in a schematic manner.
[0026] Please refer to Figures 1 to 4 The utility model provides a self-correcting one-way pulley of a generator, comprising an outer wheel 1, an inner wheel 2, a bearing member 3, a sealing assembly 4, a one-way assembly 5 and a correction assembly 6, wherein the outer wheel 1 is sleeved on the inner wheel 2, the outer side of the bearing member 3 is fixedly mounted on the inner wall of the outer wheel 1, the inner side of the bearing member 3 is fixedly mounted on the outer wall of the inner wheel 2, the sealing assembly 4 is mounted on the upper and lower ends of the outer wheel 1 and the inner wheel 2, the one-way assembly 5 is fixedly mounted on the outer wheel 1 and the inner wheel 2, and the correction assembly 6 is mounted on the upper and lower ends of the outer wheel 1.
[0027] Specifically, flanges 1.1 are fixedly provided at the upper and lower ends of the outer wheel 1, V-shaped teeth 1.2 are fixedly provided on the outer surface of the outer wheel 1, and a threaded groove 2.1 is provided inside the inner wheel 2.
[0028] The bearing component 3 consists of an outer ring 3.1, an inner ring 3.2, a cage 3.3 and rollers 3.4. The outer wall of the outer ring 3.1 is fixedly mounted on the inner wall of the outer wheel 1, the inner wall of the inner ring 3.2 is fixedly mounted on the outer wall of the inner wheel 2, the cage 3.3 is located between the outer ring 3.1 and the inner ring 3.2, and the rollers 3.4 are rotatably mounted in the cage 3.3.
[0029] More specifically, the sealing assembly 4 includes a first sealing ring 4.1, a second sealing ring 4.2 and a third sealing ring 4.3, wherein the outer wall slider of the first sealing ring 4.1 slides and fits into the inner top of the outer wheel 1, and the inner wall slider of the second sealing ring 4.2 slides and fits into the top of the outer side of the inner wheel 2. The joint of the first sealing ring 4.1 and the second sealing ring 4.2 is a sliding fit, and the outer wall slider of the third sealing ring 4.3 slides and fits into the inner bottom of the outer wheel 1. The first sealing ring 4.1, the second sealing ring 4.2 and the third sealing ring 4.3 are used for sealing. The one-way assembly 5 includes a one-way ring 5.1, a fixed rod 5.2, a cam 5.3 and a torsion spring 5.4, wherein the inner wall of the one-way ring 5.1 is fixedly mounted on the outer wall of the inner wheel 2, one end of the fixed rod 5.2 is fixedly mounted on the inner wall of the outer wheel 1, and the cam 5.3 is rotatably mounted on the other end of the fixed rod 5.2. The rotating protruding part of the cam 5.3 clamps the one-way ring 5.1 to facilitate rotation in the locking direction. One end of the torsion spring 5.4 is fixedly mounted on the convex ring of the fixed rod 5.2, and the other end of the torsion spring 5.4 is fixedly mounted on the cam 5.3.
[0030] More specifically, the correction assembly 6 includes a correction shaft 6.1 and a correction roller 6.2. The two ends of the correction shaft 6.1 make a circular motion around the center line of the outer wheel 1. The correction roller 6.2 is rotatably mounted on the correction shaft 6.1. The correction roller 6.2 is used to press the belt strip of the pulley. The correction assembly 6 also includes a sliding groove 6.3, a slide 6.4, a rolling wheel 6.5, a fastening bolt 6.6 and a tightening bolt 6.7. Among them, the sliding groove 6.3 is opened on the outer surface of the flange 1.1, and the slide 6.4 is slidably mounted in the sliding groove 6.3. The rolling wheel 6.5 is located in the sliding groove 6.3, and the rolling wheel 6.5 is rotatably installed on both sides of the slide 6.4. The threaded end of the fastening bolt 6.6 passes through the slide 6.4, and the threaded end of the fastening bolt 6.6 is screwed into the two ends of the correction shaft 6.1, and the threaded end of the tightening bolt 6.7 is screwed into the slide 6.4, and the threaded end of the tightening bolt 6.7 is pressed against the bottom surface of the sliding groove 6.3. The tightening bolt 6.7 is pressed against the bottom surface of the sliding groove 6.3 to adjust the sliding resistance between the slide 6.4 and the bottom surface of the sliding groove 6.3.
[0031] Furthermore, a bearing 3 is provided between the outer wheel 1 and the inner wheel 2 to enable free rotation of the outer wheel 1 and the inner wheel 2 and to fix the positions of the two.
[0032] When the outer wheel 1 rotates in the forward direction of the one-way assembly 5, the outer wheel 1 drives the fixed rod 5.2 to perform a circular motion around the center of the inner wheel 2. The cam 5.3 performs a circular motion around the center of the one-way ring 5.1. The protruding part of the cam 5.3 exerts a friction force on the one-way ring 5.1. The twisting of the cam 5.3 drives the torsion spring 5.4 to rotate. The non-protruding part of the cam 5.3 is slidably installed on the one-way ring 5.1, and the outer wheel 1 and the inner wheel 2 rotate normally.
[0033] When the outer wheel 1 rotates in the forward direction of the one-way component 5, the torsion spring 5.4 drives the cam 5.3 to reset, and the protruding part of the cam 5.3 contacts the one-way ring 5.1. The cam 5.3 will be locked on the one-way ring 5.1, and the rotation between the outer wheel 1 and the inner wheel 2 will stop.
[0034] By removing the fastening bolts 6.6, the correction shaft 6.1 and the correction roller 6.2 are removed, and the belt strip is then put on the V-shaped teeth 1.2 of the pulley, and the correction shaft 6.1 and the correction roller 6.2 are fastened to the slide 6.4 again by the fastening bolts 6.6. The rotation of the pulley drives the correction assembly 6 to move to the bottom of the pulley, and the rotation of the pulley drives the rotation of the belt strip. The belt strip will limit the sliding of the slide 6.4, and the correction roller 6.2 will press the belt strip. The force of the tightening bolt 6.7 on the bottom surface of the sliding groove 6.3 is adjusted. By reaching the force of the correction roller 6.2 to adjust the pressure on the belt strip, the correction belt strip is kept in place to prevent the belt strip from escaping from the groove of the V-shaped teeth 1.2.
[0035] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A self-correcting generator one-way pulley, characterized in that: The invention comprises an outer wheel (1), an inner wheel (2), a bearing component (3), a sealing component (4), a one-way component (5) and a correction component (6), wherein the outer wheel (1) is sleeved on the inner wheel (2), the outer side of the bearing component (3) is fixedly mounted on the inner wall of the outer wheel (1), the inner side of the bearing component (3) is fixedly mounted on the outer wall of the inner wheel (2), the sealing component (4) is mounted on the upper and lower ends of the outer wheel (1) and the inner wheel (2), the one-way component (5) is fixedly mounted on the outer wheel (1) and the inner wheel (2), and the correction component (6) is mounted on the upper and lower ends of the outer wheel (1); The correction assembly (6) comprises a correction shaft (6.1) and a correction roller (6.2). Both ends of the correction shaft (6.1) perform circular motion around the center line of the outer wheel (1), and the correction roller (6.2) is rotatably mounted on the correction shaft (6.1).
2. A self-correcting generator one-way pulley according to claim 1, characterized in that: Flanges (1.1) are fixedly provided at the upper and lower ends of the outer wheel (1), and V-shaped teeth (1.2) are fixedly provided on the outer surface of the outer wheel (1).
3. The self-correcting generator one-way pulley according to claim 1, characterized in that: A thread groove (2.1) is provided inside the inner wheel (2).
4. A self-correcting generator one-way pulley according to claim 1, characterized in that: The bearing component (3) is composed of an outer ring (3.1), an inner ring (3.2), a retaining frame (3.3) and rollers (3.4).
5. A self-correcting generator one-way pulley according to claim 4, characterized in that: The outer wall of the outer ring (3.1) is fixedly mounted on the inner wall of the outer wheel (1), the inner wall of the inner ring (3.2) is fixedly mounted on the outer wall of the inner wheel (2), the retaining frame (3.3) is located between the outer ring (3.1) and the inner ring (3.2), and the roller (3.4) is rotatably mounted in the retaining frame (3.3).
6. The self-correcting generator one-way pulley according to claim 1, characterized in that: The sealing assembly (4) comprises a first sealing ring (4.1), a second sealing ring (4.2) and a third sealing ring (4.3), wherein the outer wall slider of the first sealing ring (4.1) is slidably embedded in the inner top of the outer wheel (1), the inner wall slider of the second sealing ring (4.2) is slidably embedded in the outer top of the inner wheel (2), the joint between the first sealing ring (4.1) and the second sealing ring (4.2) is slidably fitted, and the outer wall slider of the third sealing ring (4.3) is slidably embedded in the inner bottom of the outer wheel (1).
7. The self-correcting generator one-way pulley according to claim 1, characterized in that: The one-way assembly (5) comprises a one-way ring (5.1), a fixed rod (5.2), a cam (5.3) and a torsion spring (5.4), wherein the inner wall of the one-way ring (5.1) is fixedly mounted on the outer wall of the inner wheel (2), one end of the fixed rod (5.2) is fixedly mounted on the inner wall of the outer wheel (1), the cam (5.3) is rotatably mounted on the other end of the fixed rod (5.2), one end of the torsion spring (5.4) is fixedly mounted on the convex ring of the fixed rod (5.2), and the other end of the torsion spring (5.4) is fixedly mounted on the cam (5.3).
8. The self-correcting generator one-way pulley according to claim 1, characterized in that: The correction assembly (6) further comprises a sliding groove (6.3), a sliding seat (6.4), a rolling wheel (6.5), a fastening bolt (6.6) and a tightening bolt (6.7), wherein the sliding groove (6.3) is provided on the outer surface of the flange member (1.1), the sliding seat (6.4) is slidably mounted in the sliding groove (6.3), the rolling wheel (6.5) is located in the sliding groove (6.3), and the rolling wheel (6.5) is rotatably mounted on both sides of the sliding seat (6.4), the threaded end of the fastening bolt (6.6) passes through the sliding seat (6.4), and the threaded end of the fastening bolt (6.6) is screwed into the two ends of the correction shaft (6.1), the threaded end of the tightening bolt (6.7) is screwed into the sliding seat (6.4), and the threaded end of the tightening bolt (6.7) is pressed against the bottom surface of the sliding groove (6.3).