CN210000394U - kind of automobile electric steering gear nut - Google Patents
kind of automobile electric steering gear nut Download PDFInfo
- Publication number
- CN210000394U CN210000394U CN201920521594.9U CN201920521594U CN210000394U CN 210000394 U CN210000394 U CN 210000394U CN 201920521594 U CN201920521594 U CN 201920521594U CN 210000394 U CN210000394 U CN 210000394U
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- cylinder body
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- grooves
- steering
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Abstract
The utility model relates to an kind of auto electric steering gear nut, this nut include cylinder body, cylinder body's outer wall is smooth, and cylinder body's inner wall is equipped with spiral circular arc track, all be equipped with on the lateral wall at cylinder body's both ends and run through the inner wall of cylinder body and the square groove that turns to of outer wall, two are equipped with the straight flute on turning to the cylinder body outer wall between the square groove, the straight flute is parallel with cylinder body's axis compare with prior art, the utility model discloses a fixed direction of nut when the assembly improves assembly precision and product property ability.
Description
Technical Field
The utility model relates to an automobile parts technical field, concretely relates to kind of auto electric steering ware nut.
Background
The nut of the automobile electric steering gear is assembled at through a steel ball and a ball screw type rack, and the steel ball circularly rolls in the nut and the ball screw type rack through a steering block arranged in a steering groove on the excircle of the nut.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing automobile electric steering gear nuts easy to install for overcoming the defects of the prior art.
kind of auto electric steering ware nut, this nut include cylinder body, cylinder body's outer wall is smooth, and cylinder body's inner wall is equipped with spiral circular arc track, all be equipped with on the lateral wall at cylinder body's both ends and run through cylinder body's inner wall and the square groove that turns to of outer wall, two are turned to and are equipped with the straight flute on the cylinder body outer wall between the square groove, the straight flute is parallel with cylinder body's axis.
Preferably, the turning square grooves and the axis of the cylindrical body form an inclination angle of 85 degrees, and the inclination directions of the two turning square grooves are the same. The inclined angle of the steering square groove is basically the same as the lead angle of the inner spiral ball channel, so that the design of the steel ball guide steering block for assembling the steering square groove is simple and easy to manufacture.
Preferably, the side walls of the two steering square grooves are provided with identification positioning grooves, the identification positioning grooves are positioned on the side where the steering square grooves are connected with the straight grooves, and the identification positioning grooves are arranged in the steering square grooves and are mainly used for direction identification when the steel ball diversion steering block is assembled, so that reverse steering block assembly is prevented, and the assembly efficiency is improved.
The transition grooves are arranged in opposite directions, so that the ball steel ball flows out from the spiral arc spherical surface of the inner hole to the connected -end steering block, passes through the straight groove and enters the other -end steering block, and the reliability and the stability of the nut, the ball steel ball and the ball screw type rack pair during mutual operation are improved.
The end of the cylindrical body is provided with a flange step.
Preferably, the lateral wall of the flange step is provided with an opening positioning groove, and the opening positioning groove and the straight groove on the cylindrical body form an included angle of 180 degrees in the circumferential direction.
Compared with the prior art, the beneficial effects of the utility model are embodied in following several aspects:
(1) the long sides of the two steering square grooves form fixed included angles with the axis of the cylindrical body, and the long sides are provided with circular-arc-shaped identification positioning grooves, so that the installation direction can be conveniently identified when the steering block is installed, and the assembly precision is improved;
(2) transition arcs are arranged at two ends of a straight groove connecting the two steering square grooves and are opposite in direction, so that the ball steel ball flows smoothly when coming out from the inner hole spiral arc spherical surface to the connected -end steering block, passing through the straight groove and then entering another -end steering block, and the reliability and stability of the nut, the ball steel ball and the ball screw type rack pair during mutual operation are improved.
Drawings
Fig. 1 is a schematic front view of the nut of the present invention;
fig. 2 is a schematic side view of the nut of the present invention;
FIG. 3 is a schematic structural diagram of B-B in FIG. 1.
Wherein, 1 is the cylinder body, 2 is the circular arc track, 3 is turning to the square trough, 4 is discernment constant head tank, 5 is the straight flute, 6 is the aqueduct, 7 is the flange step, 8 is the opening constant head tank.
Detailed Description
The embodiments of the present invention will be described in detail below, and 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.
Examples
kind of auto electric steering ware nut, as shown in fig. 1 ~ 3, this nut includes cylinder body 1, and cylinder body 1's outer wall is smooth, and cylinder body 1's inner wall is equipped with spiral circular arc track 2, all is equipped with on the lateral wall at cylinder body 1's both ends and runs through cylinder body 1's inner wall and the square groove 3 that turns to of outer wall, turns to and is equipped with straight flute 5 on the cylinder body 1 outer wall between the square groove 3 for two, and straight flute 5 is parallel with cylinder body 1's axis.
The steering square groove 3 and the axis of the cylindrical body 1 form an inclination angle of 85 degrees, the inclination directions of the two steering square grooves 3 are the same, the inclination angle of the steering square groove is basically the same as the lead angle of an inner spiral ball channel, so that the assembling steel ball diversion steering block of the steering square groove is simple in design and easy to manufacture, the side walls of the two steering square grooves 3 are provided with identification positioning grooves 4, the identification positioning grooves 4 are positioned on the side where the steering square grooves 3 are connected with the straight groove 5, the direction identification is mainly used for assembling the steel ball diversion steering block when the identification positioning grooves are arranged in the steering square groove, the reverse assembling prevention steering block is achieved, and the assembling efficiency is improved.
The connecting part of the steering square groove 3 and the straight groove 5 is provided with the arc transition groove 6, the directions of the two transition grooves 6 are opposite, the transition grooves 6 are arranged, and the directions of the two transition grooves 6 are opposite, so that the ball steel ball flows smoothly when coming out from the steering block at the end connected with the inner hole spiral arc spherical surface, passing through the straight groove 5 and then entering the steering block at the other end, and the reliability and the stability of the nut, the ball steel ball and the ball screw type rack pair during mutual operation are improved.
The end of cylinder body 1 is equipped with flange step 7, and the lateral wall of flange step 7 is equipped with opening positioning groove 8, and positioning groove 8 and cylinder body 1 go up straight flute 5 and be 180 degrees contained angles on the circumferencial direction.
Claims (6)
- The utility model provides an electronic steering gear nut of kind of car, this nut include the cylinder body, the outer wall of cylinder body is smooth, and the inner wall of cylinder body is equipped with spiral circular arc track, its characterized in that, all be equipped with on the lateral wall at the both ends of cylinder body and run through the inner wall of cylinder body and the square groove that turns to of outer wall, two are turned to and are equipped with the straight flute on the cylinder body outer wall between the square groove, the straight flute is parallel with the axis of cylinder body.
- 2. The A nut for an electric steering gear of car according to claim 1, wherein the angle of inclination of the steering square grooves is 85 ° with the axis of the cylindrical body, and the direction of inclination of the two steering square grooves is the same.
- 3. The kinds of automobile electric steering gear nuts, according to claim 2, wherein the side walls of two said steering square grooves are provided with identification positioning grooves, said identification positioning grooves are located at the side where the steering square grooves are connected with the straight grooves.
- 4. The kinds of automobile electric steering gear nuts, according to claim 1, wherein the junction of the steering square groove and the straight groove is provided with a circular arc transition groove, and the two transition grooves are opposite in direction.
- 5. The automobile electric steering gear nut of claim 1, wherein the end of the cylindrical body is provided with a flange step.
- 6. A nut for the electric steering gear of automobile as claimed in claim 5, wherein the side wall of the flange step is provided with an opening positioning slot, the opening positioning slot and the straight slot on the cylindrical body form an angle of 180 degrees in the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920521594.9U CN210000394U (en) | 2019-04-17 | 2019-04-17 | kind of automobile electric steering gear nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920521594.9U CN210000394U (en) | 2019-04-17 | 2019-04-17 | kind of automobile electric steering gear nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210000394U true CN210000394U (en) | 2020-01-31 |
Family
ID=69303999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920521594.9U Active CN210000394U (en) | 2019-04-17 | 2019-04-17 | kind of automobile electric steering gear nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210000394U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910998A (en) * | 2019-04-17 | 2019-06-21 | 上海格尔汽车科技发展有限公司 | A kind of electric direction converter of vehicle nut |
-
2019
- 2019-04-17 CN CN201920521594.9U patent/CN210000394U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910998A (en) * | 2019-04-17 | 2019-06-21 | 上海格尔汽车科技发展有限公司 | A kind of electric direction converter of vehicle nut |
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