A wear-resistant anti-loose type rotating shaft assembly

Abstract

The utility model discloses a kind of wear-resistant anti-loose type rotating shaft assemblies, it is related to rotating shaft technical field, including rotating shaft body and the shaft sleeve being located on rotating shaft body, the shaft sleeve inside is equipped with lubricating assembly, for lubricating anti-rough, improve rotating effect, the rotating shaft body both ends are equipped with anti-loose assembly, for avoiding loosening, the lubricating assembly includes lubricating sleeve, the lubricating sleeve is located in the shaft sleeve inside and is sleeved on rotating shaft body, the lubricating sleeve inside is equipped with four evenly distributed oil depot, the inside of the oil depot close to rotating shaft body is equipped with two driving blocks of distribution, the utility model is contacted with rotating shaft body by lubricating bead, and extrude spring and driving block, make lubricating oil overflow from oil outlet, to realize the sustained, uniform, self-adapting release of lubricating oil, reduce the friction and abrasion between rotating shaft body and shaft sleeve, avoid rough, enhance the wear resistance and long-term operation reliability of rotating shaft assembly.

Description

Technical Field

[0001] This utility model relates to the field of rotating shaft technology, specifically a wear-resistant and anti-loosening rotating shaft assembly. Background Technology

[0002] A shaft is an essential component for connecting main parts of a product. It is used to withstand both bending moment and torque during rotation. A shaft assembly is an important part of connecting product components, mainly used to withstand bending moment and torque, and to ensure that moving parts maintain a fixed angle.

[0003] For example, a rotating shaft assembly according to Chinese patent application number CN201720292367.4 includes a fixed rotating shaft and a movable rotating shaft. A locking strip is fixed to the inner wall of the fixed rotating shaft, and symmetrically arranged first grooves are formed on the movable rotating shaft. A screw passes through the fixed rotating shaft, a spring, a positioning ring, and the movable rotating shaft and is fixed to a nut. The positioning ring has a second groove and a limiting groove that cooperates with the locking strip. A ball bearing is installed between the first and second grooves. This rotating shaft assembly facilitates the adjustment of the illumination direction of the light source module and better meets the needs of nighttime maintenance and emergency repairs. When the movable rotating shaft rotates, the spring is compressed by the sufficient force exerted upward or downward by the steel balls inside the cavity of the positioning ring, thereby achieving the upward or downward displacement of the positioning ring. This results in a simple rotating structure, convenient use, and easy automatic positioning.

[0004] However, in actual use, the steel balls are prone to rusting after prolonged use, which can cause rotational resistance and affect the overall performance of the shaft assembly. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a wear-resistant and anti-loosening shaft assembly. By having lubricating beads contact the shaft body and compress the spring and drive block, lubricating oil overflows from the oil outlet, thereby achieving continuous, uniform, and adaptive release of lubricating oil. This reduces friction and wear between the shaft body and the bushing, prevents rust and stiffness, and enhances the wear resistance and long-term operational reliability of the shaft assembly, effectively solving the problems in the background technology.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a wear-resistant and anti-loosening shaft assembly, comprising a shaft body and a bushing disposed on the shaft body; The bushing is equipped with a lubrication component inside, which is used to lubricate and prevent stiffness, and improve the rotation effect; Both ends of the rotating shaft body are equipped with anti-loosening components to prevent loosening; The lubrication assembly includes a lubrication sleeve, which is located inside the bushing and fitted onto the rotating shaft body. The lubrication sleeve has four evenly distributed oil reservoirs inside. Near the rotating shaft body, there are two vertically distributed drive blocks inside the oil reservoirs. A lubricating bead is movably held between the two drive blocks. The inner wall of the lubrication sleeve has four evenly distributed oil outlets. One side of the lubricating bead abuts against the oil outlet, which facilitates the rolling of the lubricating bead and allows the lubricating oil to overflow through the oil outlet, thus providing lubrication and wear resistance to the rotating shaft body.

[0007] Preferably, the oil reservoir is provided with two vertically distributed springs near the bushing. The two springs correspond vertically to the two drive blocks respectively. The two ends of the springs are fixedly connected to the inner wall of one side of the oil reservoir and the corresponding side of the drive block, which facilitates continuous pressure on the drive block, ensures that the lubricating beads always keep in contact with the surface of the rotating shaft, and provides stable oil supply during rotation.

[0008] Preferably, the inner wall of the lubricating sleeve has two annular oil grooves distributed front and back, the two annular oil grooves are respectively located on both sides of the four oil chambers and are interconnected with the interior of the four oil chambers, and the top of the lubricating sleeve has an oil inlet, and the inside of the oil inlet is connected to an oil cap by a thread to facilitate the periodic replenishment of lubricating oil.

[0009] Preferably, the anti-loosening component includes an anti-loosening sleeve, which is disposed on one side of the rotating shaft body, and a fixing sleeve is fixedly provided at one end of the anti-loosening sleeve near the bushing.

[0010] Preferably, the inner wall of the anti-loosening sleeve at the end away from the bushing is provided with a groove, and four screws are threadedly connected to the fixing sleeve to fix the anti-loosening sleeve and the rotating shaft body, which facilitates direct radial locking of the rotating shaft body.

[0011] Preferably, both ends of the bushing are fixedly provided with anti-vibration rubber rings, one end of the anti-vibration rubber ring is fixedly provided with a bushing, and the inner walls of the bushing, the anti-vibration rubber ring and the bushing are all fixedly provided with wear-resistant ceramic layers, and the wear-resistant ceramic layers are attached to the surface of the rotating shaft body.

[0012] Compared with the prior art, this utility model provides a wear-resistant and anti-loosening shaft assembly, which has the following beneficial effects: 1. This utility model achieves continuous, uniform, and adaptive release of lubricating oil by having a lubricating bead contact with the shaft body, causing the lubricating bead to rotate inside the oil tank, and driving the drive block to be squeezed and rubbed. Subsequently, the two springs are squeezed, causing the lubricating oil to overflow from the oil tank through the gaps on both sides of the drive block. Finally, the lubricating oil is evenly applied to the surface of the shaft body through the oil outlet, thereby reducing the friction and wear between the shaft body and the bushing, preventing rust and stiffness, and enhancing the wear resistance and long-term operational reliability of the shaft assembly.

[0013] 2. When the anti-loosening sleeve is tightened, it moves along the thread towards the bushing, squeezing the anti-vibration rubber ring and bushing, which greatly increases the resistance to axial movement of the shaft body, thereby preventing axial movement and loosening. At the same time, when the screw is tightened, the grooved cylinder wall will contract and tightly hold the shaft body, thus achieving a double insurance of axial pre-tightening and radial locking. This effectively resists vibration and impact, prevents the shaft body from loosening, and greatly improves the reliability and service life of the shaft assembly. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram showing the overall structure of this utility model separated from the rest. Figure 3 This is a schematic diagram of the lubrication component structure of this utility model; Figure 4 This is a schematic diagram of the anti-loosening component structure of this utility model.

[0015] In the diagram: 1. Shaft body, 2. Bushing, 3. Anti-vibration rubber ring, 4. Liner ring, 5. Wear-resistant ceramic layer, 6. Anti-loosening component, 7. Lubrication component; 61 Anti-loosening sleeve, 62 Fixing sleeve, 63 Groove, 64 Screw, 71 Lubricating sleeve, 72 Oil tank, 73 Lubricating bead, 74 Drive block, 75 Spring, 76 Ring oil groove, 77 Oil cap. Detailed Implementation

[0016] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0017] like Figure 1-4 As shown, this utility model provides a wear-resistant and anti-loosening shaft assembly, including a shaft body 1 and a bushing 2 disposed on the shaft body 1.

[0018] like Figure 1-3 As shown, the bushing 2 is equipped with a lubrication component 7 for lubrication and anti-stiffness, and to improve the rotation effect. The lubrication component 7 includes a lubrication sleeve 71, which is located inside the bushing 2 and sleeved on the rotating shaft body 1. The lubrication sleeve 71 has four evenly distributed oil reservoirs 72 inside. The oil reservoirs 72 are equipped with two vertically distributed drive blocks 74 near the rotating shaft body 1. The two drive blocks 74 movably hold lubricating beads 73. The inner wall of the lubrication sleeve 71 has four evenly distributed oil outlets. One side of the lubricating bead 73 abuts against the oil outlet, which facilitates the rolling of the lubricating bead and allows the lubricating oil to overflow through the oil outlet, thus providing lubrication and wear resistance to the rotating shaft body 1.

[0019] The oil reservoir 72 has two vertically distributed springs 75 inside the bushing 2. The two springs 75 correspond vertically to the two drive blocks 74. The two ends of the springs 75 are fixedly connected to the inner wall of one side of the oil reservoir 72 and the corresponding side of the drive block 74, respectively, so as to continuously apply pressure to the drive block 74, ensure that the lubricating beads 73 always keep in contact with the rotating shaft surface, and stably supply oil during rotation. The inner wall of the lubricating sleeve 71 has two annular oil grooves 76 distributed front and back. The two annular oil grooves 76 are respectively located on both sides of the four oil reservoirs 72 and communicate with the interior of the four oil reservoirs 72. The top of the lubricating sleeve 71 has an oil inlet, and the inside of the oil inlet is connected to an oil cap 77 by a thread, so as to replenish the lubricating oil periodically.

[0020] By setting the lubrication component 7, when the shaft body 1 rotates, the lubricating beads 73 come into contact with the shaft body 1, causing the lubricating beads 73 to rotate inside the oil reservoir 72. This causes the drive block 74 to be squeezed and rubbed, subsequently squeezing the two springs 75. This rolling and squeezing action causes the lubricating oil to be slowly released from the oil reservoir 72. At the same time, the inner wall of the lubrication sleeve 71 is provided with annular oil grooves 76, connecting the four oil reservoirs 72, so that the oil pressure is evenly distributed. The rolling of the lubricating beads 73 causes the lubricating oil to overflow from the gaps on both sides of the drive block 74. Finally, it is evenly coated on the surface of the shaft body through the oil outlet, thereby achieving continuous, uniform, and adaptive release of lubricating oil. This reduces the friction and wear between the shaft body 1 and the bushing 2, prevents rust and stiffness, and enhances the wear resistance and long-term operational reliability of the shaft assembly. like Figure 1 , 2 As shown in Figure 4, both ends of the rotating shaft body 1 are provided with anti-loosening components 6 to prevent loosening. The anti-loosening component 6 includes an anti-loosening sleeve 61, which is located on one side of the rotating shaft body 1. A fixing sleeve 62 is fixedly provided at the end of the anti-loosening sleeve 61 near the bushing 2. A groove 63 is provided on the inner wall of the end of the anti-loosening sleeve 61 away from the bushing 2. Four screws 64 are threadedly connected to the fixing sleeve 62 to fix the anti-loosening sleeve 61 and the rotating shaft body 1, which facilitates direct radial locking of the rotating shaft body 1.

[0021] like Figure 1 , 2 As shown, both ends of the bushing 2 are fixedly provided with anti-vibration rubber rings 3, and one end of the anti-vibration rubber ring 3 is fixedly provided with a bushing 4. The inner walls of the bushing 2, the anti-vibration rubber ring 3 and the bushing 4 are all fixedly provided with wear-resistant ceramic layers 5, and the wear-resistant ceramic layers 5 are attached to the surface of the rotating shaft body 1.

[0022] By setting the anti-loosening component 6, the anti-loosening sleeve 61 is connected to the bushing 2 through the fixed sleeve 62 at one end. When the anti-loosening sleeve 61 is tightened, it moves along the thread towards the bushing 2, which will squeeze the anti-vibration rubber ring 3 and the bushing 4 located at the end of the bushing 2. After the anti-vibration rubber ring 3 is compressed, it generates a continuous axial restoring force pointing towards the shaft. The force is ultimately applied to the step or mating surface of the shaft body 1 through the wear-resistant ceramic layer 5, which greatly increases the resistance to the axial movement of the shaft body 1, thereby preventing its axial movement and loosening. At the same time, a groove 63 is opened at the end of the anti-loosening sleeve 61 away from the bushing 2, which makes the cylinder wall of this part have a certain elasticity. When the screw 64 is tightened, the cylinder wall with the groove 63 will contract and tightly hold the shaft body 1, thus achieving a double insurance of axial pre-tightening and radial locking. This can effectively resist vibration and impact, prevent the shaft body 1 from loosening, and greatly improve the reliability and service life of the shaft assembly.

[0023] 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 illustrative of the principles of this 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 technical scope of the claimed utility model.

Claims

1. A wear-resistant and anti-loosening shaft assembly, comprising a shaft body (1) and a bushing (2) disposed on the shaft body (1), characterized in that: The bushing (2) is equipped with a lubrication component (7) for lubrication and preventing stiffness, thereby improving the rotation effect; Both ends of the rotating shaft body (1) are provided with anti-loosening components (6) to prevent loosening; The lubrication assembly (7) includes a lubrication sleeve (71), which is located inside the bushing (2) and fitted onto the rotating shaft body (1). The lubrication sleeve (71) has four evenly distributed oil reservoirs (72) inside. The oil reservoirs (72) are located near the rotating shaft body (1) and have two vertically distributed drive blocks (74). The two drive blocks (74) hold a lubricating bead (73) in a movable clamp between them. The inner wall of the lubrication sleeve (71) has four evenly distributed oil outlets, and one side of the lubricating bead (73) abuts against the oil outlet.

2. The wear-resistant and anti-loosening shaft assembly according to claim 1, characterized in that: The oil tank (72) is provided with two vertically distributed springs (75) inside the bushing (2). The two springs (75) correspond vertically to the two drive blocks (74) respectively. The two ends of the springs (75) are fixedly connected to the inner wall of one side of the oil tank (72) and the corresponding drive block (74) respectively.

3. The wear-resistant and anti-loosening shaft assembly according to claim 2, characterized in that: The inner wall of the lubricating sleeve (71) has two annular oil grooves (76) distributed front and back. The two annular oil grooves (76) are respectively located on both sides of the four oil tanks (72) and are interconnected with the interior of the four oil tanks (72). The top of the lubricating sleeve (71) has an oil inlet, and the inside of the oil inlet is connected to an oil cap (77) by a thread.

4. The wear-resistant and anti-loosening shaft assembly according to claim 1, characterized in that: The anti-loosening component (6) includes an anti-loosening sleeve (61), which is located on one side of the rotating shaft body (1). A fixing sleeve (62) is fixedly provided at one end of the anti-loosening sleeve (61) near the bushing (2).

5. The wear-resistant and anti-loosening shaft assembly according to claim 4, characterized in that: The anti-loosening sleeve (61) has a groove (63) on the inner wall of the end away from the bushing (2), and the fixing cylinder (62) has four screws (64) for fixing the anti-loosening sleeve (61) and the rotating shaft body (1) by thread.

6. The wear-resistant and anti-loosening shaft assembly according to claim 1, characterized in that: Both ends of the bushing (2) are fixedly provided with anti-vibration rubber rings (3), and one end of the anti-vibration rubber ring (3) is fixedly provided with a bushing (4). The inner walls of the bushing (2), the anti-vibration rubber ring (3) and the bushing (4) are all fixedly provided with wear-resistant ceramic layers (5), and the wear-resistant ceramic layers (5) are attached to the surface of the rotating shaft body (1).

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