High-strength driving shaft

Abstract

The utility model discloses a high-strength driving shaft, which relates to the field of driving shafts and comprises a main shaft, the surface of the main shaft is fixedly connected with an anti-corrosion component, the surface of the anti-corrosion component is sleeved with a balance block, one end of the main shaft is fixedly connected with a connector, one end of the connector is provided with an outer ball cage, and the other end of the connector is provided with an inner ball cage. One side of the outer ball cage is rotationally connected with a connecting shaft, and a spline rod is welded to the other end of the main shaft. According to the utility model, through the arrangement of the buffer component and the reinforcing component, the main shaft is easy to vibrate and bend under the conditions of high rotating speed and high load during use, the reinforcing rib A and the reinforcing rib B are dispersed in the main shaft, and the reinforcing rib A, the reinforcing rib B and the reinforcing steel plate have rigidity and strength, so that the bearing capacity is improved; the driving shaft can bear larger torque and load, the spring has elasticity, extrusion supporting can be conducted among the rubber block A, the clamping block and the rubber block B, the vibration sense is relieved, and the service life of the driving shaft is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of drive shafts, in particular to a high-strength drive shaft. Background Art

[0002] The drive shaft is an important component in the automobile transmission system. One end of the drive shaft is connected to the engine system, and the other end is connected to the wheel system. The drive shaft is located between the left and right drive wheels of the motor vehicle and provides power for the left and right drive wheels. The electric drive shaft includes an electric motor and left and right torque couplings. The torque generated by the motor is transmitted to the drive shaft connected to the drive wheels through the torque coupling, so that the car can operate.

[0003] The existing drive shafts, due to the complex ground environment in which they travel, the main shaft and connecting parts are subjected to large forces during the use of the drive shafts. Many drive shafts have the problem of low strength, which affects the service life of the drive shafts.

[0004] After searching the existing patent: A high-strength drive shaft (publication number: CN208010792U), the high-strength drive shaft provided by the utility model has the following beneficial effects: through the combination and innovation of the main shaft, the wheel universal joint body, the transmission universal joint body, the star sleeve and the inner sleeve, a high-strength drive shaft with simple structure, good strength, long service life and stable performance is provided.

[0005] Although the above patent has achieved high strength for the drive shaft, the drive shaft is relatively close to the ground during use, and there is water or mud on the ground, which may contain corrosive substances that adhere to the surface of the drive shaft for a long time, making it difficult to increase the service life of the drive shaft.

[0006] Therefore, it is necessary to invent a high-strength drive shaft to solve the above problems. Utility Model Content

[0007] The purpose of the utility model is to provide a high-strength drive shaft to solve the problem in the above-mentioned background technology that the drive shaft is relatively close to the ground during use, there is water or mud on the ground, which may contain corrosive substances and adhere to the surface of the drive shaft for a long time, making it difficult to increase the service life of the drive shaft.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-strength drive shaft, comprising a main shaft, the surface of the main shaft is fixedly connected with an anti-corrosion component, the surface of the anti-corrosion component is sleeved with a balancing block, one end of the main shaft is fixedly connected with a connecting head, one end of the connecting head is installed with an outer ball cage, one side of the outer ball cage is rotatably connected with a connecting shaft, the other end of the main shaft is welded with a spline rod, the surface of the spline rod is provided with a hub universal joint, the edges of the two side surfaces of the main shaft are sleeved with dustproof components, the inside of the main shaft is fixedly connected with a reinforcement component, and the surface of the reinforcement component is fixedly connected with a buffer component.

[0009] Preferably, the anti-corrosion component includes a galvanized layer fixedly connected to the surface of the main shaft, and the surface of the galvanized layer is fixedly connected with a polyamide anti-corrosion layer, and the polyamide anti-corrosion layer has excellent chemical and thermal stability.

[0010] Preferably, the dustproof assembly includes rubber dust covers which are sleeved on the edges of the surfaces on both sides of the main shaft, the surface of the rubber dust cover is provided with a groove, a fixing ring is sleeved inside the groove, and the other end of the rubber dust cover is clamped on one side of the outer ball cage and the wheel hub universal joint, so that the rubber dust cover is easy to prevent dust.

[0011] Preferably, the reinforcement component comprises a hollow tube fixedly connected to the interior of the main shaft, and a reinforcing rib A is fixedly connected to the interior of the hollow tube, and the reinforcing rib A is convenient for improving rigidity.

[0012] Preferably, the surface of the hollow tube is fixedly connected with four rows of reinforcing ribs B in a circular array, and the surface of the reinforcing ribs B is fixedly connected with reinforcing steel plates, which are convenient for improving supporting rigidity.

[0013] Preferably, the buffer assembly includes a spring and a rubber block A fixedly connected to the surface of the reinforcing steel plate of the reinforcement assembly, a clamping block fixedly connected to the surface of the rubber block A, and a rubber block B fixedly connected to the surface of the clamping block, so that the rubber block B can provide a buffering effect.

[0014] Preferably, the rubber block B and the top surface of the spring are both fixedly connected with a shock absorbing plate, and the shock absorbing plate is fixedly connected to the inner bottom wall of the main shaft, and the shock absorbing plate serves as a connection.

[0015] Technical effects and advantages of the utility model:

[0016] 1. Through the setting of the buffer component and the reinforcement component, when in use, the main shaft is prone to vibration and bending under high speed and high load conditions. The reinforcing ribs A and B are dispersed inside the main shaft. The reinforcing ribs A, B and the reinforcing steel plate have rigidity and strength, which improves its bearing capacity and enables the drive shaft to withstand greater torque and load. The spring has elastic force, and the rubber block A, the clamping block and the rubber block B can be squeezed and supported to reduce the vibration and increase the service life of the drive shaft.

[0017] 2. Through the setting of anti-corrosion components, when in use, the position where the drive shaft is connected to the wheel hub and the transmission is relatively close to the ground. When the drive shaft is at high speed, rainwater or mud on the ground is easy to adhere to the main shaft, which is prone to corrosion for a long time, causing the material to lose its original strength or even break. The polyamide anti-corrosion layer has excellent chemical and thermal stability, good anti-corrosion performance, reduces the occurrence of corrosion, reduces maintenance costs, saves repair and replacement time, and extends service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 The utility model is a schematic diagram of the overall structure of a high-strength drive shaft.

[0020] Figure 2 The utility model is a schematic diagram of the overall split structure of a high-strength drive shaft.

[0021] Figure 3 The utility model is a schematic diagram of the anti-corrosion layer structure of a high-strength drive shaft.

[0022] Figure 4 The utility model is a schematic diagram of a reinforcement component structure of a high-strength drive shaft.

[0023] In the figure: 1. main shaft; 2. anti-corrosion component; 201. galvanized layer; 202. polyamide anti-corrosion layer; 3. balance block; 4. connector; 5. outer ball cage; 6. connecting shaft; 7. spline rod; 8. wheel hub universal joint; 9. dustproof component; 901. rubber dust cover; 902. fixing ring; 10. reinforcement component; 1001. hollow tube; 1002. reinforcing rib A; 1003. reinforcing rib B; 1004. reinforcing steel plate; 11. buffer component; 1101. spring; 1102. rubber block A; 1103. clamping block; 1104. rubber block B; 1105. shock-absorbing plate. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0025] The utility model provides Figure 1-4 A high-strength drive shaft shown in the figure includes a main shaft 1, and an anti-corrosion component 2 is fixedly connected to the surface of the main shaft 1. Through the setting of the anti-corrosion component 2, when in use, the position where the drive shaft is connected to the wheel hub and the transmission is relatively close to the ground. When the drive shaft is at a high speed, rainwater or mud on the ground is easy to adhere to the main shaft 1, and it is easy to be corroded for a long time, causing the material to lose its original strength or even break. The polyamide anti-corrosion layer 202 has excellent chemical and thermal stability and good anti-corrosion performance, which reduces the occurrence of corrosion, reduces maintenance costs, saves maintenance and replacement time, and extends the service life. A balancing block 3 is sleeved on the surface of the anti-corrosion component 2, one end of the main shaft 1 is fixedly connected to a connector 4, one end of the connector 4 is installed with an outer ball cage 5, one side of the outer ball cage 5 is rotatably connected to a connecting shaft 6, and the other end of the main shaft 1 is welded with a flower Key rod 7, the surface of spline rod 7 is provided with hub universal joint 8, the edges of the surfaces on both sides of main shaft 1 are sleeved with dustproof assembly 9, the inside of main shaft 1 is fixedly connected with reinforcement assembly 10, the surface of reinforcement assembly 10 is fixedly connected with buffer assembly 11, through the setting of buffer assembly 11 and reinforcement assembly 10, when in use, main shaft 1 is prone to vibration and bending under high speed and high load conditions, reinforcement rib A1002 and reinforcement rib B1003 are dispersed in the inside of main shaft 1, reinforcement rib A1002, reinforcement rib B1003 and reinforcement steel plate 1004 have rigidity and strength, improve its bearing capacity, so that the drive shaft can withstand greater torque and load, spring 1101 has elastic force, rubber block A1102, clamp block 1103, rubber block B1104 can be squeezed and supported to reduce vibration and improve the service life of the drive shaft.

[0026] The anti-corrosion component 2 includes a galvanized layer 201 fixedly connected to the surface of the main shaft 1, and a polyamide anti-corrosion layer 202 is fixedly connected to the surface of the galvanized layer 201. The anti-corrosion component 2 plays an anti-corrosion role.

[0027] The dustproof component 9 includes rubber dust covers 901 which are sleeved on the edges of the surfaces on both sides of the main shaft 1. A groove is provided on the surface of the rubber dust cover 901. A fixing ring 902 is sleeved inside the groove. The other end of the rubber dust cover 901 is clamped on one side of the outer ball cage 5 and the wheel hub universal joint 8. The dustproof component 9 is arranged to achieve a dustproof effect.

[0028] The reinforcement component 10 includes a hollow tube 1001 fixedly connected to the inside of the main shaft 1. A reinforcing rib A1002 is fixedly connected to the inside of the hollow tube 1001. The arrangement of the reinforcement component 10 can improve the overall rigidity.

[0029] The surface of the hollow tube 1001 is fixedly connected with four rows of reinforcing ribs B1003 in a circular array, and the surface of the reinforcing ribs B1003 is fixedly connected with reinforcing steel plates 1004. The provision of the reinforcing steel plates 1004 serves to improve the rigidity.

[0030] The buffer component 11 includes a spring 1101 and a rubber block A1102 fixedly connected to the surface of the reinforcing steel plate 1004 of the reinforcement component 10. The surface of the rubber block A1102 is fixedly connected to a clamping block 1103, and the surface of the clamping block 1103 is fixedly connected to a rubber block B1104. The setting of the buffer component 11 plays a shock-absorbing role.

[0031] The top surfaces of the rubber block B1104 and the spring 1101 are fixedly connected with a shock absorbing plate 1105, and the shock absorbing plate 1105 is fixedly connected to the inner bottom wall of the main shaft 1. The setting of the rubber block B1104 plays a role of shock absorption.

[0032] Working principle: When in use, the main shaft 1 is prone to vibration and bending under high speed and high load conditions. The reinforcing ribs A1002 and B1003 are scattered inside the main shaft 1. The reinforcing ribs A1002, B1003 and reinforcing steel plates 1004 have rigidity and strength to improve their carrying capacity, so that the drive shaft can withstand greater torque and load. The spring 1101 has elastic force, and the rubber block A1102, the clamping block 1103, and the rubber block B1104 can be squeezed and supported to reduce the vibration. When in use, the position where the drive shaft is connected to the wheel hub and the transmission is relatively close to the ground. When the drive shaft is at a high speed, rainwater or mud on the ground is easy to adhere to the main shaft 1, which is prone to corrosion for a long time, causing the material to lose its original strength or even break. The polyamide anti-corrosion layer 202 has excellent chemical and thermal stability, good anti-corrosion performance, and reduces the occurrence of corrosion.

[0033] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high-strength drive shaft, comprising a main shaft (1), characterized in that: The surface of the main shaft (1) is fixedly connected to an anti-corrosion component (2), and a balancing block (3) is sleeved on the surface of the anti-corrosion component (2). One end of the main shaft (1) is fixedly connected to a connecting head (4), and one end of the connecting head (4) is installed with an outer ball cage (5). One side of the outer ball cage (5) is rotatably connected to a connecting shaft (6). The other end of the main shaft (1) is welded to a spline rod (7), and the surface of the spline rod (7) is provided with a wheel hub universal joint (8). The edges of the surfaces on both sides of the main shaft (1) are sleeved with dustproof components (9). The interior of the main shaft (1) is fixedly connected to a reinforcement component (10), and the surface of the reinforcement component (10) is fixedly connected to a buffer component (11).

2. A high-strength drive shaft according to claim 1, characterized in that: The anti-corrosion component (2) comprises a galvanized layer (201) fixedly connected to the surface of the main shaft (1), and a polyamide anti-corrosion layer (202) is fixedly connected to the surface of the galvanized layer (201).

3. A high-strength drive shaft according to claim 1, characterized in that: The dustproof assembly (9) comprises a rubber dust cover (901) which is sleeved on the edges of the surfaces of both sides of the main shaft (1); a groove is provided on the surface of the rubber dust cover (901); a fixing ring (902) is sleeved inside the groove; and the other end of the rubber dust cover (901) is clamped on one side of the outer ball cage (5) and the wheel hub universal joint (8).

4. The high-strength drive shaft according to claim 1, characterized in that: The reinforcement component (10) comprises a hollow tube (1001) fixedly connected to the interior of the main shaft (1), and a reinforcing rib A (1002) is fixedly connected to the interior of the hollow tube (1001).

5. A high-strength drive shaft according to claim 4, characterized in that: The surface of the hollow tube (1001) is fixedly connected with four rows of reinforcing ribs B (1003) in a circular array, and the surface of the reinforcing ribs B (1003) is fixedly connected with a reinforcing steel plate (1004).

6. The high-strength drive shaft according to claim 1, characterized in that: The buffer component (11) comprises a spring (1101) and a rubber block A (1102) fixedly connected to the surface of a reinforcing steel plate (1004) of the reinforcing component (10); a clamping block (1103) is fixedly connected to the surface of the rubber block A (1102); and a rubber block B (1104) is fixedly connected to the surface of the clamping block (1103).

7. A high-strength drive shaft according to claim 6, characterized in that: The top surfaces of the rubber block B (1104) and the spring (1101) are both fixedly connected with a shock absorbing plate (1105), and the shock absorbing plate (1105) is fixedly connected to the inner bottom wall of the main shaft (1).

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