CN216842991U - Steering gear shaft for automobile - Google Patents
Steering gear shaft for automobile Download PDFInfo
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- CN216842991U CN216842991U CN202220745517.3U CN202220745517U CN216842991U CN 216842991 U CN216842991 U CN 216842991U CN 202220745517 U CN202220745517 U CN 202220745517U CN 216842991 U CN216842991 U CN 216842991U
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- shaft body
- oil chamber
- sealing block
- shaft
- oil
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Abstract
The utility model provides a steering gear axle that car was used belongs to auto-parts technical field. The automobile steering shaft solves the problems that the existing automobile steering shaft is general in lubricating effect, easy to wear, poor in structural stability and short in service life. The steering gear shaft for the automobile comprises a shaft body, wherein spline parts are respectively arranged at two ends of the shaft body, a step shaft part is arranged in the middle of the shaft body, and lubricating oil cavities for respectively lubricating the spline parts at the two ends of the shaft body and the step shaft part in the middle of the shaft body are arranged in the shaft body; the lubricating oil cavity comprises a first oil cavity, a second oil cavity and a third oil cavity which are arranged in the shaft body in the same axial direction as the shaft body, the spline part of the right end of the first oil cavity and the spline part of the right end of the shaft body are communicated, the step shaft part of the second oil cavity and the step shaft part of the shaft body are communicated, and the spline part of the left end of the shaft body of the third oil cavity box is communicated. The utility model has the advantages of reasonable design, simple, the position lubrication effect of assembly is good on the axis body, difficult wearing and tearing, stable in structure, long service life.
Description
Technical Field
The utility model belongs to the technical field of auto-parts, a steering gear axle that car was used is related to.
Background
For example, chinese patent literature discloses an automobile steering shaft [ application number: 201821774524.6, respectively; authorization notice number: CN208915250U ], which comprises a cylindrical and hollow body, wherein the inner end of one end of the body is provided with an internal spline, the other end of the body is provided with a connecting section with an outer diameter smaller than that of the body, the body is provided with a transition section connected with the connecting section, the connecting section is in a regular hexagonal prism shape, six inclined planes are uniformly distributed in the circumferential direction of the transition section, and each inclined plane is butted with a corresponding prismatic surface on the connecting section; the middle part of the body is provided with two connecting holes which are symmetrically arranged and run through in the radial direction for lubrication.
In foretell automobile steering axle, set up a connecting hole on this body, through single connecting hole lubrication, the lubricated effect is general, and during long-time work rotation transmission, wearing and tearing appear easily in the mounted position on this body, and structural stability is relatively poor, and life is short.
Disclosure of Invention
The utility model aims at the above-mentioned problem that exists among the prior art, provide a simple structure, lubricated effectual, stable in structure, long service life's steering gear axle that car was used.
The purpose of the utility model can be realized by the following technical proposal: the steering gear shaft for the automobile comprises a shaft body, wherein spline parts for axially assembling spline sleeve teeth are respectively arranged at two ends of the shaft body, and a step shaft part for rotational assembly is arranged in the middle of the shaft body; the lubricating oil cavity comprises a first oil cavity, a second oil cavity and a third oil cavity which are arranged in the shaft body in the same axial direction of the shaft body, the spline part of the right end of the first oil cavity is communicated with the spline part of the right end of the shaft body, the step shaft part of the second oil cavity is communicated with the step shaft part of the shaft body, and the spline part of the left end of the shaft body of the third oil cavity box is communicated with the spline part of the left end of the shaft body.
This steering gear shaft for car mainly sets up first oil pocket, second oil pocket and third oil pocket in the axis body, and spline portion, step shaft portion on this axis body communicate first oil pocket, second oil pocket and third oil pocket and are used for the lubrication, and lubricated effectual, stable in structure, long service life.
In the steering gear shaft for the automobile, the first oil chamber, the second oil chamber and the third oil chamber are all in a cylindrical cavity shape, the first oil chamber, the second oil chamber and the third oil chamber are all located on a central line of the shaft body in the same axial direction, and the first oil chamber, the second oil chamber and the third oil chamber are all communicated in the axial direction. The purpose of setting up like this is convenient for first oil pocket, second oil pocket and third oil pocket to store lubricating oil, and it is convenient to produce manufacturing.
In the above steering gear shaft for an automobile, an inner diameter of the first oil chamber is smaller than an inner diameter of the second oil chamber and smaller than an inner diameter of the third oil chamber, a first communicating hole radially arranged is formed in the spline portion of the right end of the shaft body, the spline portion of the right end of the shaft body is communicated with the first oil chamber through the first communicating hole, a second communicating hole radially arranged is formed in the step shaft portion of the middle position of the shaft body, the step shaft portion of the middle position of the shaft body is communicated with the second oil chamber through the second communicating hole, a third communicating hole radially arranged is formed in the spline portion of the left end of the shaft body, and the spline portion of the left end of the shaft body is communicated with the third oil chamber through the third communicating hole. The first oil chamber of the shaft body is used for lubricating through the first communicating hole, the second oil chamber through the second communicating hole and the third oil chamber through the third communicating hole.
In the steering gear shaft for the automobile, a first sealing block for separating the first oil chamber and the second oil chamber is arranged between the first oil chamber and the second oil chamber in the shaft body, a second sealing block for separating the second oil chamber and the third oil chamber is arranged between the second oil chamber and the third oil chamber in the shaft body, a third sealing block for sealing the third oil chamber is arranged at an outer end cavity opening of the third oil chamber in the shaft body, and an assembly supporting device for fixing the first sealing block, the second sealing block and the third sealing block at intervals is arranged among the first sealing block, the second sealing block and the third sealing block. The first sealing block, the second sealing block and the third sealing block are all of a columnar structure with one large end and one small end, one end of the small end of the first sealing block is connected with the first oil cavity in an inserting mode, one end of the large end of the first sealing block is located in the second oil cavity, one end of the small end of the second sealing block is connected with the second oil cavity in an inserting mode, one end of the large end of the second sealing block is located in the third oil cavity, one end of the small end of the third sealing block is connected with the third oil cavity in an inserting mode, and one end of the large end of the third sealing block abuts against the end portion of the left end of the shaft body.
In foretell steering gear axle for car, assembly strutting arrangement include the supporting screw rod, first sealed sprue, second sealed sprue and the third sealed sprue three's intermediate position inlay and be equipped with the adapter sleeve, the right-hand member screwed connection of supporting screw rod in the adapter sleeve of first sealed sprue, the supporting screw rod spiral pass second sealed sprue and the second sealed sprue is in the intermediate position of supporting screw rod, the adapter sleeve screwed connection of third sealed sprue in the left end tip of supporting screw rod. The purpose that sets up like this makes things convenient for first sealing plug, second sealing plug and third sealing plug at supporting screw threaded connection, production convenient to assemble.
In foretell steering gear axle for car, first sealed jam in still inlay and be equipped with first backup plate, the right-hand member screwed connection of supporting screw in the adapter sleeve of first sealed jam and the right-hand member of supporting screw support and lean on first backup plate on, third sealed jam in still inlay and be equipped with the second backup plate, the left end of adapter sleeve screwed connection in the left end tip of supporting screw and supporting screw of third sealed jam support and lean on the second backup plate on. The purpose that sets up like this prevents that first sealed sprue, third sealed sprue from excessively spiraling on the supporting screw and causing the supporting screw to run through first sealed sprue, third sealed sprue, stable in structure, production convenient assembling.
In the steering gear shaft for the automobile, a first nut sleeve is screwed at the right end of the supporting screw rod and abuts against the first sealing block, a second nut sleeve and a third nut sleeve are screwed at the middle position of the supporting screw rod and abut against two ends of the second sealing block respectively. The purpose that sets up like this can prevent effectively that first seal block from at the left end of supporting screw, second seal block at the middle part drunkenness displacement of supporting screw, stable in structure.
Compared with the prior art, the steering gear shaft for the automobile has the advantages that: structural design is reasonable, simple, and the position lubrication effect of assembly on the axis body is good, difficult wearing and tearing, stable in structure, long service life.
Drawings
Fig. 1 is a schematic sectional view of a steering gear shaft for a vehicle.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Fig. 3 is an enlarged schematic view of a portion B in fig. 1.
In the figure, 1, a shaft body; 2. a spline section; 3. a stepped shaft portion; 4. a first oil chamber; 5. a second oil chamber; 6. a third oil chamber; 7. a first communication hole; 8. a second communication hole; 9. a third communication hole; 10. a first sealing plug; 11. a second sealing plug; 12. a third sealing plug; 13. a support screw; 14. connecting sleeves; 15. a first backup plate; 16. a second backup plate; 17. a first nut sleeve; 18. a second nut sleeve; 19. and a third nut sleeve.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, 2 and 3, the steering gear shaft for the automobile mainly comprises a shaft body 1, wherein spline portions 2 for axially assembling spline sleeve teeth are respectively arranged at two ends of the shaft body 1, a step shaft portion 3 for rotationally assembling is arranged in the middle of the shaft body 1, and lubricating oil cavities for respectively lubricating the spline portions 2 at the two ends of the shaft body 1 and the step shaft portion 3 in the middle of the shaft body 1 are arranged in the shaft body 1; during actual manufacturing, the specific implementation structure of the lubricating oil cavity is as follows: a first oil chamber 4, a second oil chamber 5 and a third oil chamber 6 which are arranged in the same axial direction as the shaft body 1 are arranged in the shaft body 1, the first oil chamber 4 is communicated with a spline part 2 at the right end of the shaft body 1, the second oil chamber 5 is communicated with a step shaft part 3 of the shaft body 1, and the third oil chamber 6 is communicated with the spline part 2 at the left end of the shaft body 1; the first oil chamber 4, the second oil chamber 5 and the third oil chamber 6 are all in a cylindrical cavity shape, the first oil chamber 4, the second oil chamber 5 and the third oil chamber 6 are all located on a central line of the shaft body 1 in the same axial direction, and the first oil chamber 4, the second oil chamber 5 and the third oil chamber 6 are all communicated in the axial direction.
When actually making, the inner diameter that this first oil chamber 4's inner diameter is less than second oil chamber 5 is less than the inner diameter of third oil chamber 6, have the first intercommunicating pore 7 of radial setting on the spline portion 2 of the right-hand member of axis body 1, the spline portion 2 of the right-hand member of this axis body 1 communicates through first intercommunicating pore 7 and first oil chamber 4, have the second intercommunicating pore 8 of radial setting on the step axial region 3 of the middle part position of axis body 1, the step axial region 3 of the middle part position of axis body 1 communicates through second intercommunicating pore 8 and second oil chamber 5, have the third intercommunicating pore 9 of radial setting on the spline portion 2 of the left end of axis body 1, the spline portion 2 of the left end of axis body 1 communicates through third intercommunicating pore 9 and third oil chamber 6.
During actual manufacturing, a first sealing block 10 for separating the first oil chamber 4 and the second oil chamber 5 is arranged between the first oil chamber 4 and the second oil chamber 5 in the shaft body 1, a second sealing block 11 for separating the second oil chamber 5 and the third oil chamber 6 is arranged between the second oil chamber 5 and the third oil chamber 6 in the shaft body 1, a third sealing block 12 for sealing the third oil chamber 6 is arranged at an outer end cavity opening of the third oil chamber 6 in the shaft body 1, and an assembling and supporting device for fixing the first sealing block 10, the second sealing block 11 and the third sealing block 12 at intervals is arranged among the first sealing block 10, the second sealing block 11 and the third sealing block 12.
In actual manufacturing, the specific implementation of the assembly supporting device is as follows: the sealing device mainly comprises a supporting screw 13, a connecting sleeve 14 is embedded in the middle of the first sealing block 10, the second sealing block 11 and the third sealing block 12, the right end of the supporting screw 13 is spirally connected into the connecting sleeve 14 of the first sealing block 10, the supporting screw 13 spirally passes through the second sealing block 11, the second sealing block 11 is arranged in the middle of the supporting screw 13, and the connecting sleeve 14 of the third sealing block 12 is spirally connected to the left end of the supporting screw 13.
During actual manufacturing, still inlay in this first sealed plugging block 10 and be equipped with first backup plate 15, the right-hand member screwed connection of supporting screw 13 in the adapter sleeve 14 of first sealed plugging block 10 and the right-hand member of supporting screw 13 support and lean on first backup plate 15 on, still inlay in third sealed plugging block 12 and be equipped with second backup plate 16, the adapter sleeve 14 screwed connection of third sealed plugging block 12 supports the left end tip of screw 13 and the left end of supporting screw 13 supports and leans on second backup plate 16 on.
During actual manufacturing, a first nut sleeve 17 is screwed at the right end of the supporting screw 13, the first nut sleeve 17 abuts against the first sealing block 10, a second nut sleeve 18 and a third nut sleeve 19 are screwed at the middle position of the supporting screw 13, and the second nut sleeve 18 and the third nut sleeve 19 respectively abut against two ends of the second sealing block.
Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (7)
1. The steering gear shaft for the automobile comprises a shaft body (1), wherein spline parts (2) for axially assembling spline sleeve teeth are respectively arranged at two ends of the shaft body (1), and a step shaft part (3) for rotationally assembling is arranged in the middle of the shaft body (1), and is characterized in that lubricating oil cavities for respectively lubricating the spline parts (2) at the two ends of the shaft body (1) and the step shaft part (3) in the middle of the shaft body (1) are arranged in the shaft body (1); the lubricating oil cavity comprises a shaft body (1), wherein a first oil cavity (4), a second oil cavity (5) and a third oil cavity (6) are arranged in the shaft body (1) in the same axial direction as the shaft body (1), the spline part (2) at the right end of the first oil cavity (4) and the shaft body (1) is communicated, the step shaft part (3) of the second oil cavity (5) and the shaft body (1) is communicated, and the spline part (2) at the left end of the shaft body (1) of the third oil cavity (6) is communicated.
2. The steering gear shaft for the automobile as claimed in claim 1, wherein the first oil chamber (4), the second oil chamber (5) and the third oil chamber (6) are all in a cylindrical chamber shape, the first oil chamber (4), the second oil chamber (5) and the third oil chamber (6) are all located on a center line of the shaft body (1) in the same axial direction, and the first oil chamber (4), the second oil chamber (5) and the third oil chamber (6) are all in axial communication.
3. The steering gear shaft for an automobile according to claim 2, wherein the inner diameter of the first oil chamber (4) is smaller than the inner diameter of the second oil chamber (5) is smaller than the inner diameter of the third oil chamber (6), the spline portion (2) at the right end of the shaft body (1) is provided with a first communication hole (7) arranged in the radial direction, the spline portion (2) at the right end of the shaft body (1) is communicated with the first oil chamber (4) through the first communication hole (7), the step shaft portion (3) at the middle position of the shaft body (1) is provided with a second communication hole (8) arranged in the radial direction, the step shaft portion (3) at the middle position of the shaft body (1) is communicated with the second oil chamber (5) through the second communication hole (8), and the spline portion (2) at the left end of the shaft body (1) is provided with a third communication hole (9) arranged in the radial direction, the spline part (2) at the left end of the shaft body (1) is communicated with the third oil cavity (6) through the third communicating hole (9).
4. The steering gear shaft for the automobile as claimed in claim 3, wherein a first sealing block (10) for separating the first oil chamber (4) and the second oil chamber (5) is provided between the first oil chamber (4) and the second oil chamber (5) in the shaft body (1), a second sealing block (11) for separating the second oil chamber (5) and the third oil chamber (6) is arranged between the second oil chamber (5) and the third oil chamber (6) in the shaft body (1), a third sealing block (12) for sealing the third oil chamber (6) is arranged at the outer end orifice of the third oil chamber (6) in the shaft body (1), and an assembly supporting device for fixing the first sealing block (10), the second sealing block (11) and the third sealing block (12) at intervals is arranged among the first sealing block (10), the second sealing block (11) and the third sealing block (12).
5. The steering gear shaft for the automobile as claimed in claim 4, wherein the assembling support device comprises a support screw (13), a connecting sleeve (14) is embedded in the middle of the first sealing block (10), the second sealing block (11) and the third sealing block (12), the right end of the support screw (13) is screwed into the connecting sleeve (14) of the first sealing block (10), the support screw (13) is screwed through the second sealing block (11) and the second sealing block (11) is located in the middle of the support screw (13), and the connecting sleeve (14) of the third sealing block (12) is screwed into the left end of the support screw (13).
6. The steering gear shaft for the automobile as claimed in claim 5, wherein a first abutting plate (15) is further embedded in the first sealing block (10), the right end of the supporting screw (13) is screwed into the connecting sleeve (14) of the first sealing block (10) and the right end of the supporting screw (13) abuts against the first abutting plate (15), a second abutting plate (16) is further embedded in the third sealing block (12), the connecting sleeve (14) of the third sealing block (12) is screwed into the left end of the supporting screw (13) and the left end of the supporting screw (13) abuts against the second abutting plate (16).
7. The steering gear shaft for the automobile as claimed in claim 6, wherein a first nut sleeve (17) is screwed at the right end of the support screw (13), the first nut sleeve (17) abuts against the first sealing block (10), a second nut sleeve (18) and a third nut sleeve (19) are screwed at the middle position of the support screw (13), and the second nut sleeve (18) and the third nut sleeve (19) abut against the two ends of the second sealing block (11), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220745517.3U CN216842991U (en) | 2022-04-02 | 2022-04-02 | Steering gear shaft for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220745517.3U CN216842991U (en) | 2022-04-02 | 2022-04-02 | Steering gear shaft for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216842991U true CN216842991U (en) | 2022-06-28 |
Family
ID=82097739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220745517.3U Active CN216842991U (en) | 2022-04-02 | 2022-04-02 | Steering gear shaft for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216842991U (en) |
-
2022
- 2022-04-02 CN CN202220745517.3U patent/CN216842991U/en active Active
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