Aligning structure of driven wheel

By connecting the buffer assembly and the sealing assembly, the problems of fixed buffering and sealing of the driven wheel self-aligning structure are solved, which improves the stability and lubrication performance of the driven wheel, extends its service life, and reduces maintenance requirements.

CN224187895UActive Publication Date: 2026-05-01ZHEJIANG TAIYIDE PLASTICS MASCH MFG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG TAIYIDE PLASTICS MASCH MFG CO LTD
Filing Date
2025-06-06
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

The existing driven wheel self-aligning structure has weak fixed buffer function, is easily damaged, and has poor sealing performance, making it easy for dust and impurities to enter, leading to lubricating oil leakage and unstable rotation.

Method used

It adopts a structure consisting of a connecting buffer assembly and a sealing assembly, including a fixed ring, a connecting ring, a spring, a bolt, an outer ring, an inner ring, a sealing ring, and rollers. The springs buffer the impact force, the silicone rubber sealing rings prevent impurities from entering, and the porous oil-containing polymer material lubrication grooves ensure the supply of lubricating oil.

Benefits of technology

It improves the stability and service life of the driven wheel, prevents damage, reduces maintenance frequency, and ensures lubrication performance and smooth rotation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224187895U_ABST
    Figure CN224187895U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of driven wheels, in particular to an aligning structure of a driven wheel, which comprises a connecting buffer component and a sealing component, the connecting buffer component comprises a fixing ring, a connecting ring, a spring and a bolt, one side of the fixing ring is provided with the connecting ring, one side of the connecting ring is provided with the bolt, and the sealing component is arranged on the connecting ring. And a spring is arranged between the fixing ring and the connecting ring. According to the self-aligning structure of the driven wheel, through the arrangement of the outer ring, the inner ring, the first sealing ring and the second sealing ring, when the self-aligning structure is used, the outer ring and the inner ring are connected with the first sealing ring and the second sealing ring respectively, the first sealing ring and the second sealing ring are made of silicon rubber, and the silicon rubber has outstanding high and low temperature resistance; dust and impurities can be prevented from entering the outer ring and the inner ring and making contact with the joint of the outer ring and the inner ring, the situation that the interior of the device is damaged by the impurities or metal chippings is effectively prevented, the frequency of maintenance and replacement is reduced, and the actual performance of the device is improved.
Need to check novelty before this filing date? Find Prior Art

Description

A self-aligning structure for a driven wheel Technical Field

[0001] This utility model relates to the field of driven wheel technology, specifically to a self-aligning structure for a driven wheel. Background Technology

[0002] The driven wheel is a crucial component in a mechanical transmission system, receiving power from the driving wheel and transmitting it to the next mechanical component or load. The relationship between the driven wheel and the self-aligning bearing is primarily observed in mechanical transmission systems. Self-aligning structures are commonly used for supporting and mounting driven wheels to improve the stability and reliability of the transmission system, enabling mechanical components to automatically adjust their position to maintain proper alignment and operating conditions. The main purpose of self-aligning structures is to compensate for installation errors, shaft deflection, or dynamic changes during operation, thereby ensuring the stability and efficiency of mechanical components during operation.

[0003] However, the existing self-aligning structure of the driven wheel has the following disadvantages:

[0004] (1) The existing self-aligning structure of the driven wheel has a weak fixed buffer function. When the existing driven wheel is installed with the self-aligning bearing, it cannot buffer the driven wheel during operation. The contact and shaking between the driven wheel and the connected object may cause damage to the driven wheel.

[0005] (2) The existing self-aligning structure of the driven wheel has a weak sealing function. During long-term use, due to the complex surrounding environment, metal shavings or dust impurities may enter the self-aligning structure, causing scratches and damage to the roller surface and the inner wall of the outer ring, resulting in lubricating oil leakage or unstable rotation inside the self-aligning structure. Summary of the Invention

[0006] The purpose of this invention is to provide a self-aligning structure for a driven wheel to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a self-aligning structure for a driven wheel, comprising: a connecting buffer assembly and a sealing assembly, wherein the connecting buffer assembly is composed of a fixed ring, a connecting ring, a spring and a bolt, a connecting ring is provided on one side of the fixed ring, a bolt is installed on one side of the connecting ring, and a spring is provided between the fixed ring and the connecting ring;

[0008] The sealing assembly consists of an outer ring, an inner ring, a first sealing ring, and a second sealing ring. The inner ring is disposed on the inner wall of the outer ring, and the first sealing ring is disposed on one side of the inner wall of the outer ring. The second sealing ring is installed on the surface of the inner ring.

[0009] Optionally, the inner ring has a placement groove between the second sealing ring and the inner wall of the placement groove. The inner ring is provided with rollers. The installation of the rollers facilitates the movement of the inner ring inside the outer ring and allows the driven wheel to rotate. When there is eccentric rotation between the driven wheel and the drive shaft, the roller rolling linear guide pair can automatically adjust the position of the driven wheel to maintain correct alignment and prevent jamming.

[0010] Optionally, there are two of each of the first and second sealing rings. The first and second sealing rings are symmetrically distributed. The symmetrical distribution of the first and second sealing rings can seal the sides of the outer ring and the inner ring, preventing dust and impurities from entering the inner ring and the outer ring.

[0011] Optionally, there are four bolts, which are symmetrically distributed. The symmetrical distribution of the bolts can effectively fix the driven wheel.

[0012] Optionally, the inner ring surface is provided with a lubrication groove between the rollers. The lubrication groove is connected to the roller surface. The inside of the lubrication groove is made of a porous oil-containing polymer material. A porous oil-containing polyimide composite material with a gradient pore structure is constructed by using a surface texture method. This can realize the gradient storage and release of lubricating oil, ensure a continuous and stable supply of lubricating oil, and thus obtain excellent lubrication performance.

[0013] Optionally, the lubrication groove is provided with a connecting groove, and a rubber ring is fixedly connected to the inner wall of the connecting groove. The installation of the rubber ring can increase the surface tension of the lubricating oil. The rubber ring is made of fluororubber, which is a high-performance synthetic rubber. Due to the surface tension of the liquid, the molecules on the liquid surface are subjected to molecular forces from the inside of the liquid and both sides of the surface, so that the lubricating oil will not leak in the lubrication groove. The lubricating oil can lubricate the rollers and keep the rotation smooth without jamming.

[0014] Compared with this device, the beneficial effects of this utility model are:

[0015] 1. The self-aligning structure of this driven wheel, through the arrangement of a fixed ring, a connecting ring, a spring, and bolts, allows the driven wheel to be fixed to one side of the connecting ring by rotating the bolts during use. The bolts passing through the fixed ring provide stable fixation to the connecting ring. The spring, installed during the operation of the driven wheel, provides support from the fixed ring in case of wobbling. When compressed, the spring applies a reaction force to the connecting ring. The spring is a compression spring: it can absorb the impact and store energy during operation, distributing the pressure between the drive shaft and the mechanical device and reducing the impact force on the driven wheel and the connecting ring. This protects the driven wheel and reduces the possibility of shear force causing breakage or damage, greatly increasing the safety of the device and extending the service life of the driven wheel.

[0016] 2. The self-aligning structure of the driven wheel, through the setting of an outer ring, an inner ring, a first sealing ring, and a second sealing ring, allows the outer ring and inner ring to connect with the first and second sealing rings respectively during use. The first and second sealing rings are made of silicone rubber, which has outstanding high and low temperature resistance, preventing dust and impurities from entering the interior of the outer and inner rings and making contact with the connection between the outer and inner rings. This effectively prevents impurities or metal debris from damaging the internal parts of the device, reduces the frequency of maintenance and replacement, and improves the actual performance of the device. Attached Figure Description

[0017] Figure 1 is a schematic diagram of the overall appearance of this utility model;

[0018] Figure 2 is an enlarged schematic diagram of the inner ring of this utility model;

[0019] Figure 3 is an enlarged schematic diagram of the outer ring of this utility model;

[0020] Figure 4 is an enlarged schematic diagram of the connection buffer component of this utility model.

[0021] In the diagram: 1. Connecting buffer assembly; 101. Fixing ring; 102. Connecting ring; 103. Spring; 104. Bolt; 2. Sealing assembly; 201. Outer ring; 202. Inner ring; 203. First sealing ring; 204. Second sealing ring; 3. Roller; 4. Lubrication groove; 5. Rubber ring. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please refer to Figures 1-4. The present invention provides a technical solution: a self-aligning structure for a driven wheel, comprising: a connecting buffer assembly 1 and a sealing assembly 2. The connecting buffer assembly 1 is composed of a fixing ring 101, a connecting ring 102, a spring 103 and a bolt 104. A connecting ring 102 is provided on one side of the fixing ring 101, and a bolt 104 is installed on one side of the connecting ring 102. A spring 103 is provided between the fixing ring 101 and the connecting ring 102.

[0024] The sealing assembly 2 consists of an outer ring 201, an inner ring 202, a first sealing ring 203, and a second sealing ring 204. The inner ring 202 is disposed on the inner wall of the outer ring 201. The first sealing ring 203 is disposed on one side of the inner ring 202 on the inner wall of the outer ring 201. The second sealing ring 204 is mounted on the surface of the inner ring 202. Rotating the bolt 104 can fix the driven wheel to one side of the connecting ring 102. The bolt 104 passes through the fixing ring 101 to stably fix the connecting ring 102. The spring 103 is installed so that when the driven wheel shakes during operation, it is supported by the fixing ring 101. When the spring 103 is compressed, it applies a reaction force to the connecting ring 102, transmitting the impact force to the drive shaft and the surface of the mechanical device to distribute the pressure. The spring 103 is a compression spring: it withstands the impact... Pressure can absorb the impact during operation and store energy, reducing the impact force on the driven wheel and connecting ring 102, thereby protecting the driven wheel and reducing the possibility of shear force causing breakage and damage to the driven wheel. This greatly increases the safety of the device and extends the service life of the driven wheel. The outer ring 201 and inner ring 202 are connected to the first sealing ring 203 and the second sealing ring 204, respectively. The first sealing ring 203 and the second sealing ring 204 are made of silicone rubber. Silicone rubber has outstanding high and low temperature resistance, which can prevent dust and impurities from entering the interior of the outer ring 201 and inner ring 202. It contacts the connection between the outer ring 201 and inner ring 202, effectively preventing impurities or metal debris from damaging the inside of the device, reducing the frequency of maintenance and replacement, and improving the actual performance of the device.

[0025] The inner ring 202 has a placement groove between the second sealing ring 204 on its surface. The inner wall of the placement groove is provided with rollers 3. The installation of rollers 3 allows the inner ring 202 to move inside the outer ring 201 and can rotate when the driven wheel moves. When there is eccentric rotation between the driven wheel and the drive shaft, the rollers 3 can automatically adjust the position of the driven wheel by rolling the linear guide pair to maintain correct alignment and prevent jamming.

[0026] There are two of each of the first sealing ring 203 and the second sealing ring 204. The first sealing ring 203 and the second sealing ring 204 are symmetrically distributed. The symmetrical distribution of the first sealing ring 203 and the second sealing ring 204 can seal the sides of the outer ring 201 and the inner ring 202 to prevent dust and impurities from entering the interior of the outer ring 201 and the inner ring 202.

[0027] There are four bolts 104, which are symmetrically distributed. The symmetrical distribution of the bolts 104 can effectively fix the driven wheel.

[0028] The inner ring 202 has a lubrication groove 4 between the rollers 3. The lubrication groove 4 is connected to the surface of the roller 3. The inside of the lubrication groove 4 is made of porous oil-containing polymer material. The porous oil-containing polyimide composite material with a gradient pore structure is constructed by using the surface texture method. This can realize the gradient storage and release of lubricating oil, ensure the continuous and stable supply of lubricating oil, and thus obtain excellent lubrication performance.

[0029] The lubrication groove 4 has a connecting groove, and a rubber ring 5 is fixedly connected to the inner wall of the connecting groove. The installation of the rubber ring 5 can increase the surface tension of the lubricating oil. The material of the rubber ring 5 is fluororubber, which is a high-performance synthetic rubber. Due to the surface tension of the liquid, the molecules on the liquid surface are subjected to molecular forces from the inside of the liquid and both sides of the surface, so that the lubricating oil will not leak in the lubrication groove 4. The lubricating oil can lubricate the roller 3, keep the rotation smooth and prevent jamming.

[0030] In this invention, the working steps of the device are as follows:

[0031] First step: Rotating bolt 104 can fix the driven wheel to one side of the connecting ring 102. Bolt 104 passes through the fixing ring 101 to stably fix the connecting ring 102. The installation of spring 103 can support the driven wheel when it shakes during operation. When spring 103 is compressed, it applies a reaction force to the connecting ring 102 to distribute the impact force to the drive shaft and the surface of the mechanical device. Spring 103 is a compression spring: it can absorb the impact during operation and store energy, reducing the impact force on the driven wheel and the connecting ring 102, thereby protecting the driven wheel and reducing the occurrence of shear force that could cause the driven wheel to break or be damaged. This greatly increases the safety of the device and extends the service life of the driven wheel.

[0032] The second step: the outer ring 201 and the inner ring 202 are connected to the first sealing ring 203 and the second sealing ring 204 respectively. The first sealing ring 203 and the second sealing ring 204 are made of silicone rubber. Silicone rubber has outstanding high and low temperature resistance, which can prevent dust and impurities from entering the interior of the outer ring 201 and the inner ring 202. It contacts the connection between the outer ring 201 and the inner ring 202, effectively preventing impurities or metal debris from damaging the inside of the device, reducing the frequency of maintenance and replacement, and improving the actual performance of the device.

[0033] The third step: The installation of roller 3 facilitates the movement of the inner ring 202 inside the outer ring 201, and allows the driven wheel to rotate without any jamming or restriction.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A self-aligning structure for a driven gear, comprising: A connecting buffer assembly (1) and a sealing assembly (2) are characterized in that the connecting buffer assembly (1) is composed of a fixing ring (101), a connecting ring (102), a spring (103) and a bolt (104), a connecting ring (102) is provided on one side of the fixing ring (101), a bolt (104) is installed on one side of the connecting ring (102), and a spring (103) is provided between the fixing ring (101) and the connecting ring (102); the sealing assembly (2) is composed of an outer ring (201), an inner ring (202), a first sealing ring (203) and a second sealing ring (204), an inner ring (202) is provided on the inner wall of the outer ring (201), a first sealing ring (203) is provided on the side of the inner wall of the outer ring (201) located on the inner ring (202), and a second sealing ring (204) is installed on the surface of the inner ring (202).

2. The self-aligning structure of a driven wheel according to claim 1, characterized in that: The inner ring (202) has a placement groove between the second sealing ring (204) on its surface, and the inner wall of the placement groove is provided with rollers (3).

3. The self-aligning structure of a driven wheel according to claim 1, characterized in that: There are two of each of the first sealing ring (203) and the second sealing ring (204), and the first sealing ring (203) and the second sealing ring (204) are symmetrically distributed.

4. The self-aligning structure of a driven wheel according to claim 1, characterized in that: There are four bolts (104), and the bolts (104) are symmetrically distributed.

5. The self-aligning structure of a driven wheel according to claim 1, characterized in that: The inner ring (202) has a lubrication groove (4) between the rollers (3) on its surface, and the lubrication groove (4) is connected to the surface of the rollers (3).

6. The self-aligning structure of a driven wheel according to claim 5, characterized in that: The lubrication groove (4) has a connecting groove, and a rubber ring (5) is fixedly connected to the inner wall of the connecting groove.