CN216140057U - Sixteen-tooth spline steering intermediate shaft - Google Patents
Sixteen-tooth spline steering intermediate shaft Download PDFInfo
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- CN216140057U CN216140057U CN202121966163.7U CN202121966163U CN216140057U CN 216140057 U CN216140057 U CN 216140057U CN 202121966163 U CN202121966163 U CN 202121966163U CN 216140057 U CN216140057 U CN 216140057U
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- sixteen
- tooth
- tooth spline
- spline
- shaft
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- 239000004677 Nylon Substances 0.000 claims abstract description 39
- 229920001778 nylon Polymers 0.000 claims abstract description 39
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 230000004323 axial length Effects 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 5
- 239000000428 dust Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model relates to a sixteen-tooth spline steering intermediate shaft which comprises a sixteen-tooth spline shaft, a sixteen-tooth spline pipe, a first universal joint mechanism and a second universal joint mechanism, wherein one end of the sixteen-tooth spline shaft is inserted into the sixteen-tooth spline pipe and is in sliding contact with the sixteen-tooth spline pipe, the other end of the sixteen-tooth spline shaft is connected with the first universal joint mechanism, a nylon layer is arranged between the inner side of the sixteen-tooth spline pipe and the sixteen-tooth spline shaft, a rubber gasket sealing mechanism is arranged between one end of the sixteen-tooth spline pipe and the sixteen-tooth spline shaft, and the other end of the sixteen-tooth spline shaft is connected with the second universal joint mechanism. Compared with the prior art, the utility model provides a new steering intermediate shaft type on the basis of the existing ten-tooth spline steering intermediate shaft and eighteen-tooth spline steering intermediate shaft, the working torque of the novel steering intermediate shaft type is 30-80 N.m, the novel steering intermediate shaft type is suitable for middle-grade vehicle types, the novel steering intermediate shaft type can be used for a hydraulic/electric power steering system, the sliding performance is good, certain rigidity and strength are realized, and meanwhile, domestic materials can be selected, and the cost is lower.
Description
Technical Field
The utility model belongs to the technical field of steering intermediate shafts, and relates to a sixteen-tooth spline steering intermediate shaft.
Background
In motor vehicles, a steering intermediate shaft, through which the movement and operating forces are transmitted, is the medium connecting the steering gear to the steering column. At present, the rigidity requirement of the hydraulic/electric power assistance on the worm gear and the worm is very high, so that the rigidity requirement on the steering intermediate shaft is also particularly high. The existing steering intermediate shaft mainly comprises a ten-tooth spline steering intermediate shaft and an eighteen-tooth spline steering intermediate shaft. The working torque of the ten-tooth spline steering intermediate shaft is generally 10-30 N.m, the strength and the rigidity are poor, and the ten-tooth spline steering intermediate shaft is generally only suitable for miniature and small vehicles and is mainly used for a hydraulic power-assisted steering system; the eighteen-tooth spline steering intermediate shaft has the working torque of 60-120 N.m, the strength and the rigidity of the eighteen-tooth spline steering intermediate shaft are superior to those of a ten-tooth spline steering intermediate shaft, and the eighteen-tooth spline steering intermediate shaft is suitable for middle-high-grade vehicles, SUV vehicles and other vehicles and is multipurpose for an electric power steering system.
However, the eighteen-tooth spline steering intermediate shaft generally needs to be selected according to the cost requirements of customers, and if the eighteen-tooth spline steering intermediate shaft is made of domestic materials like the ten-tooth spline steering intermediate shaft, the matching force consistency of the sliding part is poor, the sliding performance of the product is affected, and the service life of the product is further affected; if the imported material is adopted, although the consistency of the matching force of the sliding part of the product is ensured, the cost is obviously increased. Thus, the use of an eighteen-tooth spline steering jackshaft is limited.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sixteen-tooth spline steering intermediate shaft which is good in sliding performance and has certain rigidity and strength.
The purpose of the utility model can be realized by the following technical scheme:
a sixteen-tooth spline steering intermediate shaft comprises a sixteen-tooth spline shaft, a sixteen-tooth spline pipe, a first universal joint mechanism and a second universal joint mechanism, wherein one end of the sixteen-tooth spline shaft is inserted into the sixteen-tooth spline pipe and is in sliding contact with the sixteen-tooth spline pipe, the other end of the sixteen-tooth spline shaft is connected with the first universal joint mechanism, a nylon layer is arranged between the inner side of the sixteen-tooth spline pipe and the sixteen-tooth spline shaft, a rubber gasket sealing mechanism is arranged between one end of the sixteen-tooth spline pipe and the sixteen-tooth spline shaft, and the other end of the sixteen-tooth spline shaft is connected with the second universal joint mechanism.
Furthermore, the nylon layer is sleeved on the side face of the sixteen-tooth spline shaft, the inner side of the nylon layer is fixedly connected with the sixteen-tooth spline shaft, and the outer side of the nylon layer is in sliding contact with the sixteen-tooth spline pipe.
Furthermore, the side of sixteen tooth spline shafts is provided with nylon layer slots, and the inner side of the nylon layer is provided with nylon layer protrusions matched with the nylon layer slots. The nylon layer is fixedly sleeved on the sixteen-tooth spline shaft through the matching of the nylon layer clamping grooves and the nylon layer protrusions.
Furthermore, the axial length of the nylon layer is 60% -80% of the axial length of the sixteen-tooth spline tube, and one end of the sixteen-tooth spline shaft can slide back and forth in the sixteen-tooth spline tube in a certain range along the axial direction.
Further, rubber gasket sealing mechanism including set up at the rubber gasket of sixteen tooth spline pipe tip and establish the fixed cover that the cover is established at sixteen tooth spline pipe tip and with rubber gasket looks adaptation. The rubber gasket is used for guaranteeing the leakproofness between sixteen-tooth spline pipe end portion and the sixteen-tooth spline shaft, prevents that debris such as dust from getting into in the sixteen-tooth spline pipe and influencing sliding performance. The fixing sleeve is used for fixing the rubber gasket at the end part of the sixteen-tooth spline tube.
Further, the rubber gasket is in contact with the end portion of the sixteen-tooth spline pipe, and the inner side face of the rubber gasket is in sliding contact with the side face of the sixteen-tooth spline shaft, namely, dynamic sealing is formed between the end portion of the sixteen-tooth spline pipe and the sixteen-tooth spline shaft through the rubber gasket.
Further, fixed cover include fixed part and the spacing portion that links to each other with the fixed part, the fixed part cover establish the outside of sixteen teeth spline pipe to with sixteen teeth spline pipe fixed connection, the rubber packing ring be located between the tip and the spacing portion of sixteen teeth spline pipe. The rubber gasket is clamped and fixed between the end part of the sixteen-tooth spline tube and the limiting part.
Furthermore, the outer side surface of the sixteen-tooth spline pipe is provided with a fixed sleeve clamping groove, and the inner side surface of the fixed part is provided with a fixed sleeve bulge matched with the fixed sleeve clamping groove. The fixing sleeve is fixed on the sixteen-tooth spline tube through the matching of the clamping groove of the fixing sleeve and the bulge of the fixing sleeve.
Further, the inner diameter of the rubber gasket is smaller than the outer diameter of the nylon layer, so that the sixteen-tooth spline shaft is prevented from being completely pulled out of the sixteen-tooth spline pipe.
Furthermore, the first universal joint mechanism comprises a first cross bearing, a first joint fork and a second joint fork, wherein the first joint fork and the second joint fork are arranged in a cross mode and are respectively connected with the first cross bearing; the second universal joint mechanism comprises a second cross-shaped bearing, a third section fork and a fourth section fork, wherein the third section fork and the fourth section fork are arranged in a cross mode and are respectively connected with the second cross-shaped bearing, a second bolt is arranged on the fourth section fork, and the third section fork is connected with the end portion of the sixteen-tooth spline pipe. The joint forks are U-shaped, and each cross bearing and two joint forks which are mutually perpendicular and crossed form a rotatable universal joint mechanism.
When the bearing is assembled, the second section fork is firstly connected with the sixteen-tooth spline shaft and then connected with the first cross bearing and the first section fork; the third section of fork is connected with the sixteen-tooth spline pipe, and then connected with the second cross bearing and the fourth section of fork; the fixing sleeve and the rubber gasket are sequentially sleeved on the sixteen-tooth spline shaft, one end of the sixteen-tooth spline shaft is inserted into the sixteen-tooth spline shaft, the fixing sleeve is pressed towards the sixteen-tooth spline shaft by the rubber plunger, the fixing sleeve is clamped on the clamping groove of the fixing sleeve in a protruding mode, and then assembly is completed, so that the sixteen-tooth spline steering intermediate shaft with sealing performance and capable of sliding is obtained. The fixed sleeve and the rubber gasket are matched for use, so that the sealing and dustproof effects can be achieved, and the sliding performance is prevented from being influenced by impurities such as dust.
When the steering device is applied, the first section of fork is connected with the steering device, and the fourth section of fork is connected with the steering column and is fixed through the first bolt and the second bolt respectively. The steering column is adjusted along with the steering wheel in a vertically telescopic mode, the sixteen-tooth spline shaft and the sixteen-tooth spline pipe are pushed to slide relatively to achieve telescopic movement, and therefore height adjustment of the automobile steering wheel is achieved.
Compared with the prior art, the utility model has the following characteristics:
1) the utility model provides a new type of steering intermediate shaft on the basis of the existing ten-tooth spline steering intermediate shaft and eighteen-tooth spline steering intermediate shaft, the working torque of the novel steering intermediate shaft is 30-80 N.m, the novel steering intermediate shaft is suitable for middle-grade vehicle types, the novel steering intermediate shaft can be used for a hydraulic/electric power steering system, the sliding performance is good, certain rigidity and strength are realized, domestic materials can be selected, and the cost is lower;
2) sixteen tooth spline shafts, sixteen tooth spline pipes and nylon layer constitute the slide mechanism who turns to the jackshaft, can eliminate chassis automobile body vibrations, and nylon layer raw and other materials can be granular nylon, adopts injection molding process to wrap up the nylon on sixteen tooth spline shafts to shape and size after available mould control nylon layer wraps up. In addition, the nylon layer also has the sound insulation effect, prevents to turn to the in-process and produces the noise.
Drawings
FIG. 1 is an axial cross-sectional structural schematic of the present invention;
FIG. 2 is a schematic structural view of section A-A of FIG. 1;
FIG. 3 is a schematic three-dimensional exploded view of the present invention;
the notation in the figure is:
1-first bolt, 2-first section fork, 3-first cross bearing, 4-second section fork, 5-sixteen tooth spline shaft, 6-fixed cover, 7-rubber packing ring, 8-nylon layer, 9-sixteen tooth spline pipe, 10-third section fork, 11-second cross bearing, 12-fourth section fork, 13-second bolt.
Detailed Description
The utility model is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Example (b):
as shown in fig. 1, 2 and 3, the sixteen-tooth spline steering intermediate shaft comprises a sixteen-tooth spline shaft 5, a sixteen-tooth spline pipe 9, a first universal joint mechanism and a second universal joint mechanism, wherein one end of the sixteen-tooth spline shaft 5 is inserted into the sixteen-tooth spline pipe 9 and is in sliding contact with the sixteen-tooth spline pipe 9, the other end of the sixteen-tooth spline shaft is connected with the first universal joint mechanism, a nylon layer 8 is arranged between the inner side of the sixteen-tooth spline pipe 9 and the sixteen-tooth spline shaft 5, a rubber gasket sealing mechanism is arranged between one end of the sixteen-tooth spline pipe 9 and the sixteen-tooth spline shaft 5, and the other end of the sixteen-tooth spline shaft is connected with the second universal joint mechanism.
Wherein, the nylon layer 8 cover is established at the side of sixteen teeth spline axle 5, and the inboard and the sixteen teeth spline axle 5 fixed connection of nylon layer 8, the outside and sixteen teeth spline pipe 9 sliding contact. The side of sixteen-tooth spline shaft 5 is equipped with nylon layer draw-in groove, and the inboard of nylon layer 8 is equipped with the nylon layer arch with nylon layer draw-in groove looks adaptation. The axial length of the nylon layer 8 is 60-80% of the axial length of the sixteen-tooth spline tube 9.
The rubber gasket sealing mechanism comprises a rubber gasket 7 arranged at the end part of the sixteen-tooth spline pipe 9 and a fixing sleeve 6 which is sleeved at the end part of the sixteen-tooth spline pipe 9 and is matched with the rubber gasket 7. The rubber packing 7 is in contact with the end of the sixteen-tooth spline tube 9, and the inner side face of the rubber packing 7 is in sliding contact with the side face of the sixteen-tooth spline shaft 5. Fixed cover 6 includes fixed part and the spacing portion that links to each other with the fixed part, and the fixed part cover is established in the outside of sixteen teeth spline pipe 9 to with sixteen teeth spline pipe 9 fixed connection, rubber packing ring 7 is located between the tip of sixteen teeth spline pipe 9 and the spacing portion. The outer side surface of the sixteen-tooth spline pipe 9 is provided with a fixed sleeve clamping groove, and the inner side surface of the fixed part is provided with a fixed sleeve bulge matched with the fixed sleeve clamping groove. The inner diameter of the rubber gasket 7 is smaller than the outer diameter of the nylon layer 8.
The first universal joint mechanism comprises a first cross bearing 3, a first joint fork 2 and a second joint fork 4 which are arranged in a cross mode and are respectively connected with the first cross bearing 3, a first bolt 1 is arranged on the first joint fork 2, and the second joint fork 4 is connected with the end part of a sixteen-tooth spline shaft 5; the second universal joint mechanism comprises a second cross bearing 11, a third section fork 10 and a fourth section fork 12 which are arranged in a cross mode and connected with the second cross bearing 11 respectively, a second bolt 13 is arranged on the fourth section fork 12, and the third section fork 10 is connected with the end portion of the sixteen-tooth spline tube 9.
During assembly, the second yoke 4 is connected with the sixteen-tooth spline shaft 5 and then connected with the first cross bearing 3 and the first yoke 2; the third section of fork 10 is connected with the sixteen-tooth spline tube 9, and then is connected with the second cross bearing 11 and the fourth section of fork 12; the fixing sleeve 6 and the rubber gasket 7 are sequentially sleeved on the sixteen-tooth spline shaft 5, one end of the sixteen-tooth spline shaft 5 is inserted into the sixteen-tooth spline pipe 9, the fixing sleeve 6 is pressed towards the sixteen-tooth spline pipe 9 by the rubber plunger, the fixing sleeve is clamped on the fixing sleeve clamping groove in a protruding mode, and then assembly is completed, so that the sixteen-tooth spline steering intermediate shaft with sealing performance and capable of sliding is obtained. The fixed sleeve 6 and the rubber gasket 7 are matched for use, so that the sealing and dustproof effects can be achieved, and the sliding performance is prevented from being influenced by impurities such as dust.
When the steering device is used, the first yoke 2 is connected with a steering device, the fourth yoke 12 is connected with a steering column, and the first yoke and the fourth yoke are respectively fixed through the first bolt 1 and the second bolt 13. The steering column is adjusted by stretching up and down along with the steering wheel, and pushes the sixteen-tooth spline shaft 5 and the sixteen-tooth spline pipe 9 to slide relatively to realize stretching movement, so that the height adjustment of the automobile steering wheel is completed.
The embodiments described above are intended to facilitate the understanding and use of the utility model by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. The utility model provides a sixteen-teeth spline turns to jackshaft, its characterized in that should turn to the jackshaft and include sixteen-teeth spline shaft (5), sixteen-teeth spline pipe (9), first universal joint mechanism and second universal joint mechanism, sixteen-teeth spline shaft (5) one end insert establish in sixteen-teeth spline pipe (9) to with sixteen-teeth spline pipe (9) sliding contact, the other end links to each other with first universal joint mechanism, the inboard of sixteen-teeth spline pipe (9) and sixteen-teeth spline shaft (5) between be equipped with nylon layer (8), the one end of sixteen-teeth spline pipe (9) and sixteen-teeth spline shaft (5) between be equipped with rubber packing ring sealing mechanism, the other end links to each other with second universal joint mechanism.
2. A sixteen-tooth spline steering intermediate shaft according to claim 1, characterized in that the nylon layer (8) is sleeved on the side surface of the sixteen-tooth spline shaft (5), the inner side of the nylon layer (8) is fixedly connected with the sixteen-tooth spline shaft (5), and the outer side is in sliding contact with the sixteen-tooth spline pipe (9).
3. A sixteen-tooth spline steering intermediate shaft according to claim 2, characterized in that the side of the sixteen-tooth spline shaft (5) is provided with nylon layer slots, and the inner side of the nylon layer (8) is provided with nylon layer protrusions matched with the nylon layer slots.
4. A sixteen-tooth splined steering countershaft according to claim 2, wherein the axial length of the nylon layer (8) is 60% -80% of the axial length of the sixteen-tooth splined tube (9).
5. A sixteen-tooth spline steering intermediate shaft according to claim 1, characterized in that the rubber gasket sealing mechanism comprises a rubber gasket (7) arranged at the end of the sixteen-tooth spline tube (9) and a fixing sleeve (6) sleeved at the end of the sixteen-tooth spline tube (9) and matched with the rubber gasket (7).
6. A sixteen-tooth splined steering countershaft according to claim 5, wherein the rubber washer (7) is in contact with the end of the sixteen-tooth splined tube (9) and the inner side of the rubber washer (7) is in sliding contact with the side of the sixteen-tooth splined shaft (5).
7. A sixteen-tooth spline steering intermediate shaft according to claim 6, characterized in that the fixing sleeve (6) comprises a fixing portion and a limiting portion connected with the fixing portion, the fixing portion is sleeved outside the sixteen-tooth spline tube (9) and is fixedly connected with the sixteen-tooth spline tube (9), and the rubber gasket (7) is located between the end portion of the sixteen-tooth spline tube (9) and the limiting portion.
8. The steering intermediate shaft with sixteen teeth and spline according to claim 7, characterized in that the outer side of the spline tube (9) has a retaining sleeve slot, and the inner side of the fixing part has a retaining sleeve protrusion matching with the retaining sleeve slot.
9. A sixteen tooth splined central shaft according to claim 5, wherein the inner diameter of said rubber washer (7) is smaller than the outer diameter of the nylon layer (8).
10. A sixteen-tooth splined steering intermediate shaft according to claim 1, wherein the first universal joint mechanism comprises a first cross bearing (3) and a first yoke (2) and a second yoke (4) which are arranged crosswise and connected with the first cross bearing (3) respectively, the first yoke (2) is provided with a first bolt (1), and the second yoke (4) is connected with the end part of a sixteen-tooth splined shaft (5); the second universal joint mechanism comprises a second cross bearing (11), a third section fork (10) and a fourth section fork (12), wherein the third section fork (10) and the fourth section fork (12) are arranged in a cross mode and are respectively connected with the second cross bearing (11), a second bolt (13) is arranged on the fourth section fork (12), and the third section fork (10) is connected with the end portion of the sixteen-tooth spline pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121966163.7U CN216140057U (en) | 2021-08-20 | 2021-08-20 | Sixteen-tooth spline steering intermediate shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121966163.7U CN216140057U (en) | 2021-08-20 | 2021-08-20 | Sixteen-tooth spline steering intermediate shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216140057U true CN216140057U (en) | 2022-03-29 |
Family
ID=80806993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121966163.7U Active CN216140057U (en) | 2021-08-20 | 2021-08-20 | Sixteen-tooth spline steering intermediate shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216140057U (en) |
-
2021
- 2021-08-20 CN CN202121966163.7U patent/CN216140057U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A sixteen tooth spline steering intermediate shaft Effective date of registration: 20230518 Granted publication date: 20220329 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Jiading sub branch Pledgor: Xinliangchuan (Shanghai) Automobile Technology Co.,Ltd. Registration number: Y2023310000197 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220329 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Jiading sub branch Pledgor: Xinliangchuan (Shanghai) Automobile Technology Co.,Ltd. Registration number: Y2023310000197 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A sixteen tooth spline steering intermediate shaft Granted publication date: 20220329 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Jiading sub branch Pledgor: Xinliangchuan (Shanghai) Automobile Technology Co.,Ltd. Registration number: Y2024310000379 |