A bushing with a cushioning structure

Abstract

The utility model relates to the field of bushing discloses a bushing with buffer structure, including a bushing with buffer structure, including bushing, bushing inner wall is provided with lubrication backflow mechanism and heat dissipation transmission mechanism, lubrication backflow mechanism includes pivot, pivot outer wall rotation is connected in bushing inner wall, bushing inner wall is opened with annular mounting groove, annular mounting groove inner wall is fixed with solid lubricating block, bushing inner wall still is opened with annular backflow groove, in the utility model, through setting lubrication backflow mechanism, solid lubricating block melts to form lubricating liquid under heat, can form oil film further to reduce friction in pivot outer wall, oil film can be used as buffer medium when pivot high -speed rotation, make the absorption pivot displacement energy, annular backflow groove can collect redundant lubricating liquid, connecting hole can make these lubricating liquid flow into annular mounting groove and store, thereby realized the recycling of lubricating liquid.

Description

Technical Field

[0001] This utility model relates to the field of bushings, and more particularly to a bushing with a cushioning structure. Background Technology

[0002] A bushing is a cylindrical part used in mechanical components, usually fitted onto shafts or other parts, and plays a variety of important roles. It is generally made of materials with good wear resistance and friction reduction properties, such as copper alloys, aluminum alloys, and engineering plastics.

[0003] Existing technology, Chinese Patent Publication No. CN211364189U, discloses a bushing belonging to the field of automotive mechanical technology. It solves the problem of inconvenient installation of existing bushings. This bushing includes a body, with a planar friction surface in the middle of one end face of the body. Another end face of the body also has a guide surface that slopes from the edge of the friction surface towards the edge of the end face and towards the other end of the body. The body also has a skeleton, and an outer sleeve is fitted over the body. The skeleton and the outer sleeve are integrally formed by rubber vulcanization. A concave, arc-shaped deformation portion is formed on the side wall of the body near the guide surface. During installation, the mounting bracket can be adjusted and pressed against the friction surface through the inclined guide surface. The deformation portion of the body can slightly deform due to the elasticity of the rubber, making installation easier. This bushing has a simple structure and is convenient and labor-saving to install.

[0004] Existing lubrication methods mostly rely on external oil injection devices to replenish lubricant periodically. This is not only cumbersome to operate and prone to uneven lubrication, but also causes excessive lubricant overflow, which leads to resource waste and equipment pollution. At the same time, the heat generated by high-speed operation is difficult to dissipate quickly, which can easily cause the bushing material to age and deform. Furthermore, there is a lack of an effective lubricant recycling mechanism, which cannot meet the long-term stable operation requirements of the equipment. Therefore, a bushing with a buffer structure is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a bushing with a buffer structure, which aims to solve the problems of poor buffering performance and easy leakage and waste of lubricant when the shaft and bushing are matched in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a bushing with a buffer structure, comprising a bushing, wherein the inner wall of the bushing is provided with a lubrication return mechanism and a heat dissipation transfer mechanism, the lubrication return mechanism includes a rotating shaft, the outer wall of the rotating shaft is rotatably connected to the inner wall of the bushing, the inner wall of the bushing is provided with an annular mounting groove, a solid lubricating block is fixedly installed on the inner wall of the annular mounting groove, the inner wall of the bushing is also provided with an annular return groove, one end of the inner wall of the annular return groove is provided with a connecting hole, and the other end of the connecting hole is connected to the inner wall of the annular mounting groove.

[0007] As a further description of the above technical solution:

[0008] The lubrication return mechanism also includes a positioning and fixing plate, the outer wall of which is fixedly connected to the outer wall of the bushing.

[0009] As a further description of the above technical solution:

[0010] The lubrication return mechanism also includes a positioning hole, which is formed on the outer wall of the positioning and fixing plate.

[0011] As a further description of the above technical solution:

[0012] The number of annular reflux grooves and connecting holes is two sets, and the two sets of annular reflux grooves and connecting holes are symmetrically arranged on the left and right sides of the solid lubricating block.

[0013] As a further description of the above technical solution:

[0014] The heat dissipation mechanism includes a heat sink, the outer wall of which is fixedly connected to the outer wall of the bushing.

[0015] As a further description of the above technical solution:

[0016] The heat dissipation transfer mechanism also includes transfer teeth, the outer wall of which is fixedly connected to the inner wall of the annular mounting groove.

[0017] This utility model has the following beneficial effects:

[0018] 1. In this utility model, by setting a lubrication return mechanism, the solid lubricating block melts when heated to form lubricating fluid, which can form an oil film on the outer wall of the rotating shaft to further reduce friction. When the rotating shaft rotates at high speed, the oil film can act as a buffer medium to absorb the displacement energy of the rotating shaft. The annular return groove can collect excess lubricating fluid, and the connecting hole can allow this lubricating fluid to flow into the annular mounting groove for storage, thereby realizing the recycling of lubricating fluid.

[0019] 2. In this utility model, by setting a heat dissipation transfer mechanism, the heat dissipation area is increased, which can dissipate the heat generated by the high-speed rotation of the bushing in a timely manner, effectively increasing the contact area with the solid lubricating block, thereby improving the heat conduction efficiency, so that the heat generated by the rotation of the shaft can be transferred to the solid lubricating block more quickly, causing it to melt into lubricating fluid in a timely manner, and ensuring the continuous and stable lubrication effect. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the main structure of a bushing with a buffer structure proposed in this utility model.

[0021] Figure 2 This is a schematic diagram of a bushing structure with a buffer structure proposed in this utility model;

[0022] Figure 3 This is a schematic cross-sectional view of a bushing with a buffer structure proposed in this utility model.

[0023] Figure 4 This is a schematic diagram of the transmission tooth structure of a bushing with a buffer structure proposed in this utility model.

[0024] Legend:

[0025] 1. Bushing; 2. Lubrication return mechanism; 211. Rotating shaft; 212. Annular mounting groove; 213. Solid lubricating block; 214. Annular return groove; 215. Connecting hole; 216. Positioning and fixing plate; 217. Positioning hole; 3. Heat dissipation transfer mechanism; 311. Heat sink; 312. Transfer tooth. Detailed Implementation

[0026] 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.

[0027] Reference Figures 1-3 The present invention provides an embodiment of a bushing with a buffer structure, comprising a bushing 1, wherein the inner wall of the bushing 1 is provided with a lubrication return mechanism 2 and a heat dissipation transfer mechanism 3, the lubrication return mechanism 2 includes a rotating shaft 211, the outer wall of the rotating shaft 211 being rotatably connected to the inner wall of the bushing 1, the inner wall of the bushing 1 having an annular mounting groove 212 for mounting a solid lubricating block 213, the solid lubricating block 213 being fixedly mounted on the inner wall of the annular mounting groove 212, the solid lubricating block 213 being melted by heat to provide lubricating fluid, the inner wall of the bushing 1 also having an annular return groove 214 for storing excess lubricating fluid, one end of the inner wall of the annular return groove 214 having a connecting hole 215, the other end of the connecting hole 215 being connected to the inner wall of the annular mounting groove 212, the connecting hole 215 being used to realize the circulation and return of lubricating fluid.

[0028] Reference Figures 2-4 The lubrication return mechanism 2 also includes a positioning and fixing plate 216. The outer wall of the positioning and fixing plate 216 is fixedly connected to the outer wall of the bushing 1. The positioning and fixing plate 216 is used to install and fix the bushing 1. The lubrication return mechanism 2 also includes a positioning hole 217. The positioning hole 217 is opened on the outer wall of the positioning and fixing plate 216. The positioning hole 217 is used for positioning by bolts and nuts. The number of annular return grooves 214 and connecting holes 215 is two sets. The two sets of annular return grooves 214 and connecting holes 215 are symmetrically arranged on the left and right sides of the solid lubricating block 213.

[0029] Reference Figure 4 The heat dissipation transfer mechanism 3 includes a heat sink 311, the outer wall of which is fixedly connected to the outer wall of the bushing 1 to increase the heat dissipation area. The heat dissipation transfer mechanism 3 also includes a transfer tooth 312, the outer wall of which is fixedly connected to the inner wall of the annular mounting groove 212 to improve the heat conduction efficiency.

[0030] Working principle: When bushing 1 is in use, it can be installed in a designated position using positioning and fixing plate 216. Then, it can be positioned using bolts and nuts through positioning holes 217 on the outer wall of positioning and fixing plate 216. Subsequently, one end of rotating shaft 211 can be installed on the inner wall of bushing 1. When the external drive component rotates rotating shaft 211, the high-speed rotation of shaft 211 generates heat inside bushing 1, which slowly melts the solid lubricant block 213. When a small portion of the solid lubricant block 213 melts into lubricant, the lubricant forms an oil film on the outer wall of rotating shaft 211, which can protect the outer surface of rotating shaft 211. The oil film lubricates the bushing 1, thereby reducing the coefficient of friction and allowing the shaft 211 to rotate smoothly within the bushing 1. When the shaft 211 rotates at high speed within the bushing 1, an oil film forms a buffering medium between the shaft 211 and the bushing 1. The oil film has a certain elasticity. When the shaft 211 undergoes a small displacement or shaking due to external force, the oil film can undergo elastic deformation, thereby absorbing part of the displacement energy of the shaft 211, reducing the direct collision and impact between the shaft 211 and the bushing 1, and thus playing a buffering role, protecting the surfaces of the shaft 211 and the bushing 1 from damage.

[0031] The heat sink 311 increases the heat dissipation area, thereby preventing the bushing 1 from overheating. The transmission tooth 312 increases the contact area with the solid lubricating block 213, thereby improving the efficiency of heat conduction. The annular reflux groove 214 stores excess lubricant, which can then flow into the annular mounting groove 212 for storage through the connection hole 215, thus realizing the recycling of lubricant and avoiding waste caused by excessive lubricant overflow.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A bushing with a cushioning structure, comprising a bushing (1), characterized in that: The inner wall of the bushing (1) is provided with a lubrication return mechanism (2) and a heat dissipation transfer mechanism (3); The lubrication return mechanism (2) includes a rotating shaft (211), the outer wall of which is rotatably connected to the inner wall of the bushing (1). The inner wall of the bushing (1) is provided with an annular mounting groove (212), and a solid lubricating block (213) is fixedly installed on the inner wall of the annular mounting groove (212). The inner wall of the bushing (1) is also provided with an annular return groove (214), and one end of the inner wall of the annular return groove (214) is provided with a connecting hole (215). The other end of the connecting hole (215) is connected to the inner wall of the annular mounting groove (212).

2. The bushing with a buffer structure according to claim 1, characterized in that: The lubrication return mechanism (2) further includes a positioning and fixing plate (216), the outer wall of which is fixedly connected to the outer wall of the bushing (1).

3. A bushing with a buffer structure according to claim 1, characterized in that: The lubrication return mechanism (2) also includes a positioning hole (217), which is located on the outer wall of the positioning and fixing plate (216).

4. A bushing with a buffer structure according to claim 1, characterized in that: The number of annular reflux grooves (214) and connecting holes (215) is two sets, and the two sets of annular reflux grooves (214) and connecting holes (215) are symmetrically arranged on the left and right sides of the solid lubricating block (213).

5. A bushing with a buffer structure according to claim 1, characterized in that: The heat dissipation mechanism (3) includes a heat sink (311), the outer wall of which is fixedly connected to the outer wall of the bushing (1).

6. A bushing with a buffer structure according to claim 1, characterized in that: The heat dissipation transfer mechanism (3) also includes a transfer tooth (312), the outer wall of which is fixedly connected to the inner wall of the annular mounting groove (212).

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