Pinion steering system input shaft

Abstract

The utility model discloses a pinion steering system input shaft, and relates to the technical field of automobile system input shafts. Comprising a shaft body, one end of the shaft body is fixedly sleeved with a pinion, the other end of the shaft body is provided with a connecting shaft, an installation connecting structure is arranged between the connecting shaft and the shaft body, a lubricating assembly is arranged in the shaft body and comprises a sponge groove formed in the shaft body, a lubricating sponge pressing block is placed in the sponge groove, and a piston plate is arranged at one end in the sponge groove. Due to the arrangement of the installation connecting structure and the lubricating assembly, the connecting shaft can be conveniently installed on the shaft body, the overall steering operation of the shaft body, the pinion body and the connecting shaft is guaranteed, during lubricating operation, the connecting shaft extrudes the whole sliding plate, the piston plate extrudes the lubricating sponge pressing block, lubricating oil flows out of the pinion body through the lubricating hole, and the lubricating effect is achieved. Manual dismounting operation is not needed, the probability of tooth surface fatigue and abrasion is reduced, and the using effect is guaranteed to a certain degree.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile system input shafts, in particular to a pinion steering system input shaft. Background Art

[0002] The input shaft is usually located inside the gearbox and is connected to the clutch. Its function is to input the power of the car engine into the gearbox through the control of the clutch. In the automotive field, the input shaft is a shaft in the gearbox that is responsible for transmitting the power of the engine to the gearbox through the control of the clutch.

[0003] An existing motor input shaft (authorization announcement number: CN214480072U) has the following defects: the motor input shaft has a simple structure, is easy to use and efficient, and can be widely used in various motors. However, during the use of the automobile, the small gear body on the input shaft needs to be kept in a lubricated state, and generally requires manual regular lubrication operations to avoid tooth surface fatigue and wear problems, which affects use. For this reason, the present utility model is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a pinion steering system input shaft to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pinion steering system input shaft comprises a shaft body, a pinion body is sleeved and fixed on one end of the shaft body, a connecting shaft is arranged at the other end of the shaft body, an installation connection structure is arranged between the connecting shaft and the shaft body, a lubrication assembly is arranged inside the shaft body, the lubrication assembly comprises a sponge groove opened inside the shaft body, a lubrication sponge pressure block is placed in the sponge groove, a piston plate is arranged at one end of the sponge groove, the piston plate is contacted and adapted with the lubrication sponge pressure block, a connecting groove is opened at the other end of the shaft body, a sliding plate is slidably adapted at the bottom of the connecting groove, a piston rod is fixed between the sliding plate and the piston plate, the shaft body and the pinion body are integrated, a plurality of lubrication holes are circumferentially connected on one side of the sponge groove, and the end of the lubrication hole is opened on the pinion body.

[0006] Preferably, the piston plate, the piston rod and the sliding plate are integrated, a first spring is connected between the sliding plate and the bottom of the connecting groove, and the first spring is sleeved on the piston rod.

[0007] Preferably, a damping rod is symmetrically connected between the sliding plate and the bottom of the connecting groove, a locking rod is lockedly connected to the shaft body, and the locking rod is communicated with the sponge groove.

[0008] Preferably, the installation connection structure comprises a plurality of installation holes symmetrically provided on the groove wall of the connecting groove, a plurality of installation grooves are circumferentially provided on one end of the connecting shaft, and an installation block is slidably inserted into the installation groove.

[0009] Preferably, a second spring is connected between the mounting block and the bottom of the mounting slot, limiting blocks are symmetrically fixed at both ends of the mounting block, limiting slots are symmetrically provided on both sides of the mounting slot, and the limiting blocks are slidably adapted to the limiting slots.

[0010] Preferably, the mounting block passes through the mounting groove and is slidably fitted with the mounting groove, the shaft end of the connecting shaft is in extrusion contact with the sliding plate, and the connecting groove is slidably fitted with the connecting shaft.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The input shaft of the pinion steering system is easy to install on the shaft body by installing the connection structure and the lubrication component, so that the connecting shaft can be easily installed on the shaft body, ensuring the overall steering operation of the shaft body, the pinion body and the connecting shaft. When lubricating, the connecting shaft is squeezed onto the sliding plate as a whole, so that the piston plate squeezes the lubricating sponge block, and the lubricating oil flows out onto the pinion body through the lubrication hole. No manual disassembly operation is required, which reduces the probability of tooth surface fatigue and wear problems, and ensures the use effect to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the first three-dimensional structure of the utility model;

[0014] Figure 2 It is a second three-dimensional structural schematic diagram of the utility model;

[0015] Figure 3 It is a cross-sectional view of the utility model;

[0016] Figure 4 It is a schematic diagram of the three-dimensional split structure of the utility model.

[0017] In the figure: 1. shaft body; 101. mounting hole; 102. sliding plate; 103. piston rod; 104. piston plate; 105. first spring; 106. damping rod; 107. lubricating sponge pressure block; 108. locking rod; 2. connecting shaft; 201. mounting groove; 202. limiting groove; 203. mounting block; 204. limiting block; 205. second spring; 3. pinion body; 301. lubrication hole. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] During the operation of the vehicle body, the input shaft is needed. The input shaft provided by the utility model is specially used for lubricating and protecting the pinion body 3 on the shaft body 1, thereby avoiding the situation where the tooth surface of the pinion body 3 is worn due to insufficient lubrication, and improving the service life to a certain extent. During the use of the input shaft, it is necessary to carry out inspection, installation and other preparatory work in advance to ensure the normal use of the input shaft.

[0020] like Figure 1-Figure 4 As shown, the utility model provides a technical solution: a pinion steering system input shaft comprises a shaft body 1, a pinion body 3 is sleeved and fixed on one end of the shaft body 1, a connecting shaft 2 is arranged on the other end of the shaft body 1, an installation connection structure is arranged between the connecting shaft 2 and the shaft body 1, a lubrication assembly is arranged inside the shaft body 1, the lubrication assembly comprises a sponge groove opened inside the shaft body 1, a lubrication sponge pressing block 107 is placed in the sponge groove, a piston plate 104 is arranged at one end of the sponge groove, the piston plate 104 is in contact with the lubrication sponge pressing block 107, a connecting groove is opened at the other end of the shaft body 1, a sliding plate 102 is slidingly adapted at the bottom of the connecting groove, a piston rod 103 is fixed between the sliding plate 102 and the piston plate 104, the shaft body 1 and the pinion body 3 are integrated, a plurality of lubrication holes 301 are circumferentially connected on one side of the sponge groove, and the end of the lubrication hole 301 is opened on the pinion body 3, wherein the shaft body 1, the pinion body 3 and the connecting shaft 2 are the prior art, and lubricating oil is stored in the lubrication sponge pressing block 107.

[0021] In the embodiment, the piston plate 104, the piston rod 103 and the sliding plate 102 are integrated, and a first spring 105 is connected between the sliding plate 102 and the bottom of the connecting groove, and the first spring 105 is sleeved on the piston rod 103. A damping rod 106 is symmetrically connected between the sliding plate 102 and the bottom of the connecting groove. A locking rod 108 is locked and connected to the shaft body 1, and the locking rod 108 is connected to the sponge groove. Among them, the first spring 105 and the damping rod 106 are existing technologies, which ensure the stability of the input shaft to a certain extent. The locking rod 108 is easy to open and close, and the lubricating oil enters the sponge groove through the through hole of the locking rod 108, and the lubricating oil is locked by the lubricating sponge block 107. When the lubricating sponge block 107 is squeezed, the lubricating oil is squeezed out through the lubrication hole 301 and flows out on the pinion body 3.

[0022] In the embodiment, the installation and connection structure includes a plurality of installation holes 101 symmetrically opened on the groove wall of the connecting groove, a plurality of installation grooves 201 are opened circumferentially at one end of the connecting shaft 2, a mounting block 203 is slidably inserted in the mounting groove 201, a second spring 205 is connected between the mounting block 203 and the groove bottom of the mounting groove 201, limiting blocks 204 are symmetrically fixed at both ends of the mounting block 203, limiting grooves 202 are symmetrically opened on both sides of the mounting groove 201, and the limiting blocks 204 are slidably adapted to the limiting grooves 202, wherein the second spring 205 is the prior art, and during the installation and connection process, the mounting block 203 is pressed into the mounting groove 201 to ensure that the connecting shaft 2 is inserted into the connecting groove, and the mounting block 203 passes through the mounting hole 101, at this time, one end of the connecting shaft 2 squeezes the sliding plate 102, and the first spring 105 is in an extruded state, which ensures that the mounting block 203 is tightly squeezed in the mounting hole 101, thereby ensuring the stability of the connecting shaft 2 and the shaft body 1.

[0023] In the embodiment, the mounting block 203 passes through the mounting groove 201 and is slidably fitted with the mounting groove 201, the shaft end of the connecting shaft 2 is squeezed and contacted with the sliding plate 102, and the connecting groove is slidably fitted with the connecting shaft 2. By installing the connecting structure and the setting of the lubrication component, the connecting shaft 2 is easy to be installed on the shaft body 1, ensuring the overall steering operation of the shaft body 1, the pinion body 3 and the connecting shaft 2. When lubricating, the connecting shaft 2 is squeezed onto the sliding plate 102 as a whole, so that the piston plate 104 squeezes the lubricating sponge block 107, and the lubricating oil flows out onto the pinion body 3 through the lubrication hole 301. There is no need for manual disassembly operation, which reduces the probability of tooth surface fatigue and wear problems, and ensures the use effect to a certain extent.

[0024] Working principle: When installing the input shaft, the shaft body 1 and the connecting shaft 2 are connected by installing the connecting structure, the second spring 205 is squeezed, the connecting shaft 2 is inserted into the connecting groove, and the mounting block 203 is ensured to pass through the mounting hole 101. At this time, the sliding plate 102 is in a state of squeezing the connecting shaft 2, ensuring that the connecting shaft 2 is installed more stably. When using the input shaft, the connecting shaft 2 is driven to perform steering operations, so that the connecting shaft 2, the shaft body 1 and the pinion body 3 rotate as a whole. During operation, when the pinion body 3 needs to be lubricated, the connecting shaft 2 squeezes the sliding plate 102, so that the sliding plate 102, the piston rod 103 and the piston plate 104 squeeze the lubricating sponge block 107 as a whole, so that the lubricating oil in the lubricating sponge block 107 is squeezed and flows out to the surface of the pinion body 3 through the lubrication hole 301, ensuring that the pinion body 3 is lubricated in time.

[0025] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is limited by the attached embodiments and their equivalents.

Claims

1. A pinion steering system input shaft, comprising a shaft body (1), characterized in that: A pinion gear body (3) is sleeved and fixedly mounted on one end of the shaft body (1), a connecting shaft (2) is arranged at the other end of the shaft body (1), a mounting connection structure is arranged between the connecting shaft (2) and the shaft body (1), a lubrication assembly is arranged inside the shaft body (1), the lubrication assembly comprises a sponge groove arranged inside the shaft body (1), a lubrication sponge pressing block (107) is placed in the sponge groove, a piston plate (104) is arranged at one end of the sponge groove, the piston plate (104) and the lubrication sponge pressing block (107) are contact-fitted, a connecting groove is arranged at the other end of the shaft body (1), a sliding plate (102) is slidably fitted at the bottom of the connecting groove, a piston rod (103) is fixed between the sliding plate (102) and the piston plate (104), the shaft body (1) and the pinion gear body (3) are integrated, a plurality of lubrication holes (301) are circumferentially connected on one side of the sponge groove, and the ends of the lubrication holes (301) are arranged on the pinion gear body (3).

2. The pinion steering system input shaft according to claim 1, characterized in that: The piston plate (104), the piston rod (103) and the sliding plate (102) are integrated. A first spring (105) is connected between the sliding plate (102) and the bottom of the connecting groove. The first spring (105) is sleeved on the piston rod (103).

3. The pinion steering system input shaft according to claim 2, characterized in that: A damping rod (106) is symmetrically connected between the sliding plate (102) and the bottom of the connecting groove, and a locking rod (108) is locked and connected to the shaft body (1), and the locking rod (108) is connected to the sponge groove.

4. The pinion steering system input shaft according to claim 1, characterized in that: The mounting connection structure comprises a plurality of mounting holes (101) symmetrically provided on the groove wall of the connecting groove, a plurality of mounting grooves (201) are circumferentially provided on one end of the connecting shaft (2), and a mounting block (203) is slidably inserted into the mounting groove (201).

5. The pinion steering system input shaft according to claim 4, characterized in that: A second spring (205) is connected between the mounting block (203) and the bottom of the mounting groove (201); limiting blocks (204) are symmetrically fixed at both ends of the mounting block (203); limiting grooves (202) are symmetrically provided at both sides of the mounting groove (201); and the limiting blocks (204) are slidably matched with the limiting grooves (202).

6. The pinion steering system input shaft according to claim 5, characterized in that: The mounting block (203) penetrates the mounting groove (201) and is slidably matched with the mounting groove (201), the shaft end of the connecting shaft (2) is in compression contact with the sliding plate (102), and the connecting groove is slidably matched with the connecting shaft (2).

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