Polytetrafluoroethylene composite reinforced bushing
By designing the snap-in groove and annular sleeve structure of the polytetrafluoroethylene composite reinforced bushing, the deformation problem during bushing installation is solved, convenient installation and efficient sealing, heat dissipation and corrosion resistance are achieved, and the practicality and life of the device are improved.
Patent Information
- Application Number
- CN202423082678.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-12-13
AI Technical Summary
In the prior art, the bushing needs to be squeezed and deformed during installation before it can be placed in the bearing seat hole, resulting in deformation and affecting installation efficiency and reliability.
A polytetrafluoroethylene composite reinforced bushing was designed, which adopted a snap-in groove and annular sleeve structure. The bushing body was placed in the bearing seat hole through disassembly and installation. It was combined with components such as sealing gasket, heat conducting plate, injection hole and corrosion-resistant layer to improve installation efficiency and practicality.
The bushing is conveniently installed, deformation is avoided, installation efficiency and practicability of the device are improved, sealing, heat dissipation and corrosion resistance are enhanced, and service life is extended.
Smart Images

Figure CN223330970U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bushings, in particular to a polytetrafluoroethylene composite reinforced bushing. Background Art
[0002] In traditional mechanical design, bushings are widely used to meet the needs of connection, support and friction reduction between different components.
[0003] A Chinese patent application, CN202020881275.1, discloses a reinforced copper mesh bushing. The key technical features of the bushing are as follows: It includes a bushing body, one side of which is provided with a multi-layer protective copper mesh mechanism on the inner surface of the bushing body. The multi-layer protective copper mesh mechanism includes a protective mesh, a reinforcement layer, and an anti-corrosion layer. One side of the bushing body is provided with a large mounting hole and a small mounting hole, the large mounting hole being located to one side of the small mounting hole. The other side of the bushing body is provided with a sleeve on the outer surface. One side of the sleeve is provided with a high-load pressure-resistant mechanism, which includes a rubber washer, a high-load threaded block, a buffering bump, and a sponge washer. The reinforced copper mesh bushing described in this utility model is not easily damaged and is provided with a reinforcement layer, which enhances its structural structure, making it harder and more durable, capable of longer use, and can reduce vibration during exercise, providing a certain buffering effect, and increasing its load-bearing capacity, bringing better prospects for use.
[0004] In view of the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: when the staff install the bushing, they need to extrude and deform the bushing body before placing the bushing body in the bearing seat hole, which causes the bushing body to undergo certain deformation; therefore, a polytetrafluoroethylene composite reinforced bushing is proposed to address the above problems. Utility Model Content
[0005] The purpose of the utility model is to solve the disadvantage in the prior art that workers need to extrude and deform the bushing body before placing the bushing body in the bearing seat hole when installing the bushing, and to propose a polytetrafluoroethylene composite reinforced bushing.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: a polytetrafluoroethylene composite reinforced bushing, comprising a bushing body, a snap-in groove is provided on the surface of the bushing body, an annular sleeve is slidably connected to the inner wall of the snap-in groove, the annular sleeve is made of rubber material, the arc surface of the annular sleeve is fixedly connected to a snap-in plate, and one side of the snap-in plate is fixedly connected to a connecting plate.
[0007] The effect achieved by the above components is: by setting the bushing body for disassembly and installation, it is convenient for the staff to place the bushing body in the bearing seat hole, thereby improving the efficiency of installing the shaft and the bearing seat hole, and avoiding the need for the staff to squeeze and deform the bushing body before placing the bushing body in the bearing seat hole when installing the bushing, thereby causing the bushing body to undergo certain deformation, thereby improving the practicality of the device.
[0008] Preferably, a sealing gasket is fixedly connected to the surface of the bushing body, and the sealing gasket is in contact with the connecting plate.
[0009] The effects achieved by the above components are: achieving the effect of sealing and fitting the connecting plate and the bushing body during installation, thereby improving the practicability of the device.
[0010] Preferably, an arc plate is installed inside the bushing body, and a plurality of heat conducting plates are fixedly connected to the surface of the arc plate.
[0011] The effects achieved by the above components are: achieving the heat dissipation effect of the bushing body, so that the heat generated by the bushing body during operation is dissipated, thereby improving the practicality of the device.
[0012] Preferably, an injection hole is fixedly connected to the surface of the bushing body, a connecting hole is opened inside the bushing body, and the injection hole is communicated with the connecting hole.
[0013] The effect achieved by the above components is that lubricant is added to the bushing body through the cooperation of the injection hole and the connection hole, thereby improving the practicality of the device.
[0014] Preferably, a corrosion-resistant layer is fixedly connected to the surface of the bushing body, and the corrosion-resistant layer is a nitride layer.
[0015] The effect achieved by the above components is that by setting the corrosion-resistant layer as a nitride layer, the inner surface hardness, wear resistance and corrosion resistance of the bushing body can be further improved.
[0016] Preferably, an anti-oxidation layer is fixedly connected to the surface of the bushing body, and the material of the anti-oxidation layer is a ceramic coating.
[0017] The effect achieved by the above components is: by providing the anti-oxidation layer, the bushing body is protected from oxidation, thereby increasing the service life of the device.
[0018] In summary, the beneficial effects of the present invention are as follows:
[0019] In the utility model, the bushing body is arranged to be disassembled and installed, which makes it convenient for workers to place the bushing body in the bearing seat hole, thereby improving the efficiency of installing the shaft and the bearing seat hole, and avoiding the need for workers to squeeze and deform the bushing body before placing the bushing body in the bearing seat hole when installing the bushing, thereby causing the bushing body to undergo certain deformation, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0021] Figure 2 For this utility model Figure 1 Schematic diagram of part of the structure;
[0022] Figure 3 This is a partial structural diagram of the bushing body in the utility model;
[0023] Figure 4 This is a schematic structural diagram of the arc plate in the utility model;
[0024] Figure 5 For this utility model Figure 2 Enlarged view of point A.
[0025] Legend: 1. Bushing body; 2. Snap-in groove; 3. Annular sleeve; 4. Snap-in plate; 5. Connecting plate; 6. Sealing gasket; 7. Arc plate; 8. Heat conducting plate; 9. Injection hole; 10. Connecting hole; 11. Corrosion-resistant layer; 12. Anti-oxidation layer. DETAILED DESCRIPTION
[0026] Reference Figure 1-5As shown, the utility model provides a technical solution: a polytetrafluoroethylene composite reinforced bushing, comprising a bushing body 1, a clamping groove 2 is opened on the surface of the bushing body 1, an annular sleeve 3 is slidably connected to the inner wall of the clamping groove 2, the annular sleeve 3 is made of rubber material, the arc surface of the annular sleeve 3 is fixedly connected to the clamping plate 4, and one side of the clamping plate 4 is fixedly connected to the connecting plate 5. By setting the bushing body 1 to be detachable and installable, it is convenient for the staff to place the bushing body 1 in the bearing seat hole, thereby improving the efficiency of installing the shaft and the bearing seat hole, avoiding the need for the staff to squeeze and deform the bushing body 1 before placing the bushing body 1 in the bearing seat hole when installing the bushing, thereby causing the bushing body 1 to undergo a certain deformation, thereby improving the practicality of the device, a sealing gasket 6 is fixedly connected to the surface of the bushing body 1, and the sealing gasket 6 is in contact with the connecting plate 5, thereby achieving the effect of sealing and fitting the connecting plate 5 and the bushing body 1 when installing, thereby improving the practicality of the device, and the bushing An arc plate 7 is installed inside the main body 1, and several heat-conducting plates 8 are fixedly connected to the surface of the arc plate 7, which achieves the effect of heat dissipation of the bushing body 1, so that the heat generated by the bushing body 1 during operation can be dissipated, thereby improving the practicality of the device. An injection hole 9 is fixedly connected to the surface of the bushing body 1, and a connecting hole 10 is opened inside the bushing body 1. The injection hole 9 is connected to the connecting hole. Through the cooperation of the injection hole 9 and the connecting hole 10, the lubricant is added to the bushing body 1, thereby improving the practicality of the device. A corrosion-resistant layer 11 is fixedly connected to the surface of the bushing body 1, and the corrosion-resistant layer 11 is a nitride layer. By setting the corrosion-resistant layer 11 as a nitride layer, the inner surface hardness, wear resistance and corrosion resistance of the bushing body 1 can be further improved. An anti-oxidation layer 12 is fixedly connected to the surface of the bushing body 1, and the material of the anti-oxidation layer 12 is a ceramic coating. By setting the anti-oxidation layer 12, the anti-oxidation effect of the bushing body 1 is achieved, thereby improving the service life of the device.
[0027] Working principle: when the staff needs to install the bushing body 1 in the bearing seat, pull the connecting plate 5 to drive the connecting clamping plate 4, and the clamping plate 4 drives the annular sleeve 3 to slide out of the clamping groove 2. At this time, the connecting plate 5 is separated from the bushing body 1, and then the staff places the bushing body 1 in the bearing seat, and then clamps the connecting plate 5 and the bushing body 1. By setting the bushing body 1 to be disassembled and installed, it is convenient for the staff to place the bushing body 1 in the bearing seat hole, which improves the efficiency of installing the shaft and the bearing seat hole, and avoids the need for the staff to extrude and deform the bushing body 1 before placing the bushing body 1 in the bearing seat hole when installing the bushing, thereby causing a certain deformation of the bushing body 1, thereby improving the practicality of the device.
[0028] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.
Claims
1. A polytetrafluoroethylene composite reinforced bushing, comprising a bushing body (1), characterized in that: A snap-fit groove (2) is provided on the surface of the bushing body (1); an annular sleeve (3) is slidably connected to the inner wall of the snap-fit groove (2); the annular sleeve (3) is made of rubber; a snap-fit plate (4) is fixedly connected to the arc surface of the annular sleeve (3); and a connecting plate (5) is fixedly connected to one side of the snap-fit plate (4).
2. The polytetrafluoroethylene composite reinforced bushing according to claim 1, characterized in that: A sealing gasket (6) is fixedly connected to the surface of the bushing body (1), and the sealing gasket (6) is in contact with the connecting plate (5).
3. The polytetrafluoroethylene composite reinforced bushing according to claim 1, characterized in that: A circular arc plate (7) is installed inside the bushing body (1), and a plurality of heat conducting plates (8) are fixedly connected to the surface of the circular arc plate (7).
4. The polytetrafluoroethylene composite reinforced bushing according to claim 1, characterized in that: An injection hole (9) is fixedly connected to the surface of the bushing body (1), a connecting hole (10) is opened inside the bushing body (1), and the injection hole (9) is communicated with the connecting hole.
5. The polytetrafluoroethylene composite reinforced bushing according to claim 1, characterized in that: A corrosion-resistant layer (11) is fixedly connected to the surface of the bushing body (1), and the corrosion-resistant layer (11) is a nitride layer.
6. The polytetrafluoroethylene composite reinforced bushing according to claim 1, characterized in that: An anti-oxidation layer (12) is fixedly connected to the surface of the bushing body (1), and the material of the anti-oxidation layer (12) is a ceramic coating.
Citation Information
Patent Citations
Enhanced copper net bushing
CN212744720U