CN211364701U - Tubular column type electric power steering device - Google Patents
Tubular column type electric power steering device Download PDFInfo
- Publication number
- CN211364701U CN211364701U CN201922426578.4U CN201922426578U CN211364701U CN 211364701 U CN211364701 U CN 211364701U CN 201922426578 U CN201922426578 U CN 201922426578U CN 211364701 U CN211364701 U CN 211364701U
- Authority
- CN
- China
- Prior art keywords
- electromagnetic block
- rack
- electric power
- pump shell
- electromagnetism piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Power Steering Mechanism (AREA)
Abstract
The utility model belongs to the technical field of the automotive engineering technique and specifically relates to a tubular column type electric power steering device. The utility model discloses a ECU module is to first electromagnetism piece, second electromagnetism piece go on control such as expert, outage, logical electric quantity, makes first electromagnetism piece, second electromagnetism piece produce suitable appeal, repulsion, makes first electromagnetism piece drive the rack and provide helping hand torque for reduction gear, steering column, improves a steering system's light degree. Meanwhile, as the first electromagnetic block and the second electromagnetic block are not in contact with each other and are not controlled by other clutch speed reducing mechanisms, the problem that the tubular electric power assisting device in the prior art is easy to generate noise can be reduced, and the comfort in a cab is improved. And include that first electromagnetism piece, second electromagnetism piece, rack, reduction gear etc. all are installed in the pump case that is equipped with the magnetism-isolating layer, both can further reduce the noise, can also avoid the utility model discloses electromagnetic force (appeal, repulsion) that produces during the power assisted steering device operation influence the use of other instrument and equipment in the driver's cabin etc.
Description
Technical Field
The utility model belongs to the technical field of the automotive engineering technique and specifically relates to a tubular column type electric power steering device is related to.
Background
The installation position of the tubular column type electric power steering device is arranged on a steering tubular column. The motor of the tubular column type electric power steering device is arranged in the cab. Because the motor is nearer apart from the steering wheel, noise is produced easily when using such as helping hand motor, clutch for it is quiet to be difficult to in the driver's cabin, probably influences the comfort of driving.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned not enough, provide an electronic power assisted steering device of tubular column type.
In order to achieve the above object, the technical solution of the present invention is: a tubular column type electric power steering device comprises an ECU module, a torque sensor, a reduction gear, a steering column, a rack drive and a pump shell. The rack drive comprises a first electromagnetic block fixedly connected with one end of the rack and a second electromagnetic block positioned outside the first electromagnetic block. The first electromagnetic block, the second electromagnetic block, the rack and the reduction gear are all arranged in the pump shell. The steering column penetrates through the pump shell and is sleeved in a reduction gear in the pump shell. The reduction gear is in transmission connection with the rack, and the torque sensor, the first electromagnetic block and the second electromagnetic block are respectively and electrically connected with the ECU module. And the inner wall of the pump shell is provided with a magnetism isolating layer.
The utility model discloses a ECU module is to first electromagnetism piece, second electromagnetism piece go on control such as expert, outage, logical electric quantity, makes first electromagnetism piece, second electromagnetism piece produce suitable appeal, repulsion, makes first electromagnetism piece drive the rack and provide helping hand torque for reduction gear, steering column, improves a steering system's light degree. Meanwhile, as the first electromagnetic block and the second electromagnetic block are not in contact with each other and are not controlled by other clutch speed reducing mechanisms, the problem that the tubular electric power assisting device in the prior art is easy to generate noise can be reduced, and the comfort in a cab is improved. And include that first electromagnetism piece, second electromagnetism piece, rack, reduction gear etc. all are installed in the pump case that is equipped with the magnetism-isolating layer, both can further reduce the noise, can also avoid the utility model discloses electromagnetic force (appeal, repulsion) that produces during the power assisted steering device operation influence the use of other instrument and equipment in the driver's cabin etc.
Preferably, the bottom in the pump shell is provided with a slide rail; the first electromagnetic block and the second electromagnetic block are respectively installed on the sliding rail in a sliding mode; a lubricating layer is arranged between the slide rail and the first electromagnetic block and between the slide rail and the second electromagnetic block; one end of the sliding rail, which is close to the first electromagnetic block, is provided with a limiting block. The slide rail can prevent the interaction from irregularly moving in the pump shell when the first electromagnetic block and the second electromagnetic block are electrified to generate attraction force and repulsion force.
Preferably, an auxiliary support is further arranged in the pump shell, and the auxiliary support is provided with a rack hollow through hole matched with the rack; the auxiliary support is located on the other side, far away from the first electromagnetic block, of the rack. The auxiliary stand can cooperate first electromagnetism piece to support the rack jointly, ensures the utility model discloses in the use, the rack keeps meshing transmission with reduction gear to be connected.
Preferably, the opposite side walls of the first electromagnetic block and the second electromagnetic block are provided with buffer pads; and a pump shell buffer cushion is arranged on the side wall of the pump shell, which is close to the second electromagnetic block. The buffer pad and the pump shell buffer pad can reduce the vibration and noise generated by the collision of the first electromagnetic block and the second electromagnetic block and the stress between the second electromagnetic block and the pump shell, and can also avoid damage.
Preferably, a distance monitoring module is arranged between the auxiliary support and the first electromagnetic block and is electrically connected with the ECU module; the distance monitoring module is provided with two parts which are respectively arranged at the connecting part of the first electromagnetic block and the rack and at one side of the rack empty perforation hole close to the first electromagnetic block, and the two parts of the distance monitoring module are arranged in opposite directions. The distance monitoring module can monitor and acquire distance data of forward and backward movement of the rack, and transmits the data to the ECU module to assist the ECU module in adjusting the size of the electrified current of the first electromagnetic block and the second electromagnetic block and other regulation and control operations.
The size of the magnetic field formed by the electromagnetic block is directly related to the number of turns of the coil wound on the electromagnetic block and the size of the electrified current (the biot-savart law is that B is u0nI, B is magnetic induction intensity, u0 is a constant, n is the number of turns of the wound coil, and I is the current in the lead). Therefore, when the electromagnetic block is used, the proper electromagnetic block is selected to serve as the first electromagnetic block and the second electromagnetic block according to the conditions of the steering power assisting size and the like required by a vehicle type.
Through adopting foretell technical scheme, the beneficial effects of the utility model are that: the utility model discloses a ECU module is to first electromagnetism piece, second electromagnetism piece go on control such as expert, outage, logical electric quantity, makes first electromagnetism piece, second electromagnetism piece produce suitable appeal, repulsion, makes first electromagnetism piece drive the rack and provide helping hand torque for reduction gear, steering column, improves a steering system's light degree. Meanwhile, as the first electromagnetic block and the second electromagnetic block are not in contact with each other and are not controlled by other clutch speed reducing mechanisms, the problem that the tubular electric power assisting device in the prior art is easy to generate noise can be reduced, and the comfort in a cab is improved. And include that first electromagnetism piece, second electromagnetism piece, rack, reduction gear etc. all are installed in the pump case that is equipped with the magnetism-isolating layer, both can further reduce the noise, can also avoid the utility model discloses electromagnetic force (appeal, repulsion) that produces during the power assisted steering device operation influence the use of other instrument and equipment in the driver's cabin etc.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the internal structure of the pump casing.
Description of the main reference numerals:
1. a steering wheel; 2. a wheel; 3. a diverter; 4. a torque sensor; 5. an ECU module; 6. a steering column; 7. a first electromagnetic block; 8. a second electromagnetic block; 9. a rack; 10. a pump housing; 11. a magnetism isolating layer; 12. a reduction gear; 13. a limiting block; 14. an auxiliary support; 15. a cushion pad; 16. a pump housing cushion; 17. a wire; 18. a slide rail; 19. a distance monitoring module; 20. the rack is empty-perforated.
Detailed Description
The invention is further described with reference to the following figures and specific examples. The directional wording mentioned in the present invention, for example: the directional terms such as up, down, left, right, inner, outer, etc. are used only with reference to the orientation of the attached FIG. 1 of the specification. Accordingly, the directional terminology used is for the purpose of illustration only and is not intended to be limiting of the invention.
As shown in fig. 1-2, the present invention relates to a column type electric power steering apparatus, which comprises an ECU module 5, a torque sensor 4, a reduction gear 12, a steering column 6, a rack 9, a rack drive and pump case 10. The rack drive comprises a first electromagnetic block 7 fixedly connected with one end of a rack 9 and a second electromagnetic block 8 positioned outside the first electromagnetic block 7. The first electromagnetic block 7, the second electromagnetic block 8, the rack 9 and the reduction gear 12 are all arranged in the pump shell 10. The steering column 6 penetrates through the pump shell 10 and is sleeved in a reduction gear 12 in the pump shell 10. The reduction gear 12 is in transmission connection with the rack 9 in a meshed mode, and the torque sensor 4, the first electromagnetic block 7 and the second electromagnetic block 8 are electrically connected with the ECU module 6 respectively. The inner wall of the pump shell 10 is provided with a magnetism isolating layer 11.
The utility model discloses a ECU module 6 is to first electromagnetism piece 7, second electromagnetism piece 8 control such as expert, outage, circular telegram volume, makes first electromagnetism piece 7, second electromagnetism 8 piece produce suitable appeal, repulsion, makes first electromagnetism piece 7 drive rack 9 provide power-assisted torque for reduction gear 12, steering column 6, improves steering system's light degree. Meanwhile, as the first electromagnetic block 7 and the second electromagnetic block 8 are not in contact with each other or controlled by other clutch speed reducing mechanisms, the problem that the tubular electric power assisting device in the prior art is easy to generate noise can be reduced, and the comfort in a cab is improved. And include that first electromagnetism piece 7, second electromagnetism piece 8, rack 9, reduction gear 12 etc. all are installed in the pump case 10 that is equipped with magnetism separating layer 11, both can further reduce the noise, can also avoid the utility model discloses electromagnetic force (appeal, repulsion) that produces when the power assisted steering device operation influence the use of other instrument and equipment in the driver's cabin etc..
A slide rail 18 is arranged at the bottom in the pump shell 10; the first electromagnetic block 7 and the second electromagnetic block 8 are respectively installed on a slide rail 18 in a sliding manner; a lubricating layer is arranged between the slide rail 18 and the first electromagnetic block 7 and between the slide rail and the second electromagnetic block 8; and a limiting block 13 is arranged at one end of the sliding rail 18 close to the first electromagnetic block. The slide rail 18 can prevent the first electromagnetic block 7 and the second electromagnetic block 8 from irregularly moving in the pump housing 10 due to interaction when the first electromagnetic block and the second electromagnetic block are electrified to generate attraction force and repulsion force.
An auxiliary support 14 is further arranged in the pump shell 10, and the auxiliary support 14 is provided with a rack hollow through hole matched with the rack 9; the auxiliary support 14 is located on the other side of the rack 9 from the first electromagnet block 7. The auxiliary stand 14 can cooperate first electromagnetism piece 7 to support rack 9 jointly, ensures the utility model discloses in the use, rack 9 keeps meshing transmission with reduction gear 12 to be connected.
The opposite side walls of the first electromagnetic block 7 and the second electromagnetic block 8 are provided with buffer pads 15; the pump shell 10 is provided with a pump shell cushion pad 16 near the side wall of the second electromagnet block 8. The cushion pad 15 and the pump case cushion pad 16 can reduce the vibration and noise generated by the collision of the first electromagnetic block 7 and the second electromagnetic block 8 and the stress between the second electromagnetic block 8 and the pump case 10, and can also avoid damage.
A distance monitoring module 19 is arranged between the auxiliary bracket 14 and the first electromagnetic block 7, and the distance monitoring module 19 is electrically connected with the ECU module 5; the distance monitoring module 19 has two parts, which are respectively installed at the connection part of the first electromagnetic block 7 and the rack 9, and one side of the rack hollow perforation hole 20 close to the first electromagnetic block 7, and the two parts of the distance monitoring module 19 are oppositely arranged. The distance monitoring module 19 can monitor and acquire the distance data of the forward and backward movement of the rack 9, and transmit the data to the ECU module 5, so as to assist the ECU module 5 in adjusting the magnitude of the energizing current of the first electromagnetic block 7 and the second electromagnetic block 8.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited to the above description, and all the equivalent changes and decorations made according to the claims of the present invention should still fall within the scope covered by the present invention.
Claims (5)
1. The utility model provides a tubular column type electric power steering device, includes ECU module, torque sensor, reduction gear, steering column, rack drive and pump case, its characterized in that: the rack drive comprises a first electromagnetic block fixedly connected with one end of the rack and a second electromagnetic block positioned outside the first electromagnetic block; the first electromagnetic block, the second electromagnetic block, the rack and the reduction gear are all arranged in the pump shell; the steering column penetrates through the pump shell and is sleeved in a reduction gear in the pump shell; the reduction gear is meshed with the rack and is in transmission connection; the torque sensor, the first electromagnetic block and the second electromagnetic block are respectively and electrically connected with the ECU module; and the inner wall of the pump shell is provided with a magnetism isolating layer.
2. The column type electric power steering apparatus according to claim 1, wherein: a slide rail is arranged at the bottom in the pump shell; the first electromagnetic block and the second electromagnetic block are respectively installed on the sliding rail in a sliding mode; a lubricating layer is arranged between the slide rail and the first electromagnetic block and between the slide rail and the second electromagnetic block; one end of the sliding rail, which is close to the first electromagnetic block, is provided with a limiting block.
3. The column type electric power steering apparatus according to claim 1, wherein: an auxiliary support is further arranged in the pump shell, and the auxiliary support is provided with a rack hollow through hole matched with the rack; the auxiliary support is located on the other side, far away from the first electromagnetic block, of the rack.
4. The column type electric power steering apparatus according to claim 2, wherein: the opposite side walls of the first electromagnetic block and the second electromagnetic block are provided with buffer pads; and a pump shell buffer cushion is arranged on the side wall of the pump shell, which is close to the second electromagnetic block.
5. The column type electric power steering apparatus according to claim 3, wherein: a distance monitoring module is arranged between the auxiliary bracket and the first electromagnetic block and is electrically connected with the ECU module; the distance monitoring module is provided with two parts which are respectively arranged at the connecting part of the first electromagnetic block and the rack and at one side of the rack empty perforation hole close to the first electromagnetic block, and the two parts of the distance monitoring module are arranged in opposite directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922426578.4U CN211364701U (en) | 2019-12-30 | 2019-12-30 | Tubular column type electric power steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922426578.4U CN211364701U (en) | 2019-12-30 | 2019-12-30 | Tubular column type electric power steering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211364701U true CN211364701U (en) | 2020-08-28 |
Family
ID=72167851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922426578.4U Active CN211364701U (en) | 2019-12-30 | 2019-12-30 | Tubular column type electric power steering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211364701U (en) |
-
2019
- 2019-12-30 CN CN201922426578.4U patent/CN211364701U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202144249U (en) | Automatic brake device for automobile back running | |
| CN104870227A (en) | Vehicle mounting structure for electronic device | |
| JP2013144509A (en) | Motor feeder wiring structure of in-wheel motor driving wheel | |
| CN211364701U (en) | Tubular column type electric power steering device | |
| WO2016099263A1 (en) | Electro-mechanical power steering for application in heavy commercial vehicles | |
| CN111907499A (en) | Electro-hydraulic braking system and braking method thereof | |
| JP5891803B2 (en) | Steering wheel wire harness wiring structure | |
| JP6335277B2 (en) | Vehicle steering device | |
| US20110153159A1 (en) | Magnetic assisted power steering system | |
| CN113104102A (en) | Vehicle wireless electromagnetic transmission omnidirectional driving device and system | |
| CN102642528B (en) | Electromagnetic rear-end collision preventing system | |
| EP2826700A1 (en) | Motor control system for electric bicycle and method of controlling the same | |
| CN204915186U (en) | Automobile -used motor formula initiative stabilizer bar | |
| CN107074263B (en) | Power generation device for steering wheel | |
| JP4038464B2 (en) | Drive device for hybrid vehicle | |
| KR101650432B1 (en) | electronic parking brakes actuator and the electronic parking brake System | |
| CN105109300A (en) | Automotive motor type active stabilizer bar | |
| JP2009029287A (en) | Electric power steering device | |
| CN219134134U (en) | Mechanical power-assisted hand brake system | |
| CN201890157U (en) | Permanent magnetic parking and braking device | |
| EP1595766A3 (en) | Steering device for motor vehicles in general | |
| CN212124851U (en) | Vehicle instrument board with turnover structure | |
| CN104176112A (en) | Instructional car auxiliary steering device | |
| CN203543849U (en) | Electric car control system | |
| CN213565433U (en) | Gear shifting control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |