CN203739969U - Pinion-type electric power steering gear adopting novel sensor - Google Patents
Pinion-type electric power steering gear adopting novel sensor Download PDFInfo
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- CN203739969U CN203739969U CN201320728201.4U CN201320728201U CN203739969U CN 203739969 U CN203739969 U CN 203739969U CN 201320728201 U CN201320728201 U CN 201320728201U CN 203739969 U CN203739969 U CN 203739969U
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- 239000000203 mixture Substances 0.000 claims description 4
- 230000008054 signal transmission Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
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Abstract
The utility model relates to a pinion-type electric power steering gear adopting a novel sensor. The novel sensor is simple in structure and convenient to mount, adopts an integrated chip, and is high in anti-jamming capability and convenient to mount and debug. At the same time, the sensor realizes lossless signal transmission, and greatly prolongs the service life of the pinion-type electric power steering gear. The pinion-type electric power steering gear adopts a modular design, wherein a first module takes the novel non-contact torque sensor, a worm gear, a worm and a power deceleration reduction upper shell as a core; a second module takes a power deceleration reduction lower shell and a rack as a core. The modular design is simple; the application of the pinion-type electric power steering gear to vehicles of different types is facilitated; meanwhile, the pinion-type electric power steering gear is convenient to produce and mount; 90-degree rotation is realized between the first module and the second module, thus the first module has four locating positions relative to the second module, and the application of the pinion-type electric power steering gear to vehicles of different types is greatly facilitated. A bearing is arranged between the two modules and supports the two modules; the assembly manner is simplified; meanwhile, axial movement of a pinion shaft is prevented during use.
Description
Technical field
The utility model relates to a kind of novel electric booster steering device, especially a kind of pinion type power-assisted steering device with novel sensor structure.
Background technology
Miniature gears electric booster steering device is widely used in the deflector of riding vehicle.Original deflector is mechanical type deflector, and this type deflector does not have power-assisted, and hard steering is suitable for vehicle few.For improving hard steering problem, develop into hydraulic power assisted deflector by mechanical type deflector, this deflector is power resources by Hydraulic Pump, has realized servo-steering function.But along with the requirement of energy-conserving and environment-protective, develop into pinion type electric booster steering device.This type power-assisted steering device not only can be realized power steering, the more important thing is its energy-saving and environmental protection, non-maintaining, long service life and the features such as convenience are installed.
The sensor that existing miniature gears electric booster steering device adopts is resistance-type contact pickup, than novel magnetoelectricity noncontacting proximity sensor, and its poor anti jamming capability, poor stability, setting accuracy requires high, and productive costs is higher.Existing miniature gears electric booster steering device ubiquity does not have modular design, produces inconvenience, to shortcomings such as different automobile types bad adaptability.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the utility model provides the miniature gears electric booster steering device of novel sensor.
The utility model has adopted following technical scheme to be: the outer survey ring of novel Non-contact torque sensing device is fixed on power-assisted speed reduction gearing upper shell, its magnetic guiding loop is fixed on pinion shaft, its magnet ring is fixed on input shaft, and input shaft is connected by torsion bar with pinion shaft.When input shaft rotates, pinion shaft also rotates with input shaft with respect to Torsion rod, because of Torsion rod, makes magnetic guiding loop the variation of magnet ring magnetic flow be detected, and this variation is delivered to outer survey ring, is transported to controller with the form of voltage signal.
Compared with prior art the beneficial effects of the utility model are: this torque sensor is a kind of non-contact torque sensor.This type sensor construction is simple, easy for installation, and the outer ring of surveying adopts integrated chip to magnetic flux change simultaneously, and antijamming capability is strong, is convenient to installation and adjustment.Owing to adopting novel noncontacting proximity sensor, sensor is realized signal lossless transmission, has greatly improved miniature gears electric booster steering device service life.
The utility model adopts another technical scheme to be: this utility model has adopted modular design, the i.e. module one taking novel Non-contact torque sensing device, worm and gear and power-assisted deceleration upper shell as core, the module two taking power-assisted speed reduction gearing lower house and tooth bar as core.Module one composition comprises other appurtenances such as non-contact torque sensor, worm and gear input shaft, pinion shaft, power-assisted speed reduction gearing upper shell and radial ball bearing.Module two compositions comprise other appurtenances such as power-assisted speed reduction gearing lower house, tooth bar and pull bar.In addition, between the power-assisted deceleration lower house of the power-assisted deceleration upper shell of module one and module two, be connected by four fixing threaded holes, module one can 90 degree rotations.Two modules are by bearings.
Compared with prior art the beneficial effects of the utility model are: adopt modular design, simplicity of design, facilitates the application of different automobile types miniature gears electric booster steering device, are convenient to produce simultaneously and install.Between two modules, can, by 90 degree rotations, make the relative module two of module one have four kinds of position locations, greatly facilitate the application of different automobile types.Between two modules, by bearings, simplify assembling mode, ensured that pinion shaft in use can not produce end float misalignment simultaneously.
Brief description of the drawings
Fig. 1 is the constructional drawing of miniature gears electric booster steering device.
Fig. 2 is the cutaway view of miniature gears electric booster steering device.
In Fig. 1,1 is assist motor, and 2 is input shaft, and 3 is steering wheel power-assisted speed reduction gearing, and 4 is steering wheel fixed support, and 5 is steering wheel tooth bar, and 6 is dust boot, and 7 is rod head.
In Fig. 2,8 is torsion bar, and 9 is outer survey ring, and 10 is power-assisted speed reduction gearing upper shell, and 11 is worm screw, 12 is O type circle, and 13 is power-assisted speed reduction gearing lower house, and 14 is magnetic guiding loop, and 15 is magnet ring, and 16 is worm gear, 17 is radial ball bearing, and 18 is miniature gears output shaft, and 19 is tooth bar, and 20 is bearing.
Detailed description of the invention
The utility model module one: outer survey ring (9) and worm screw (11) are installed on power-assisted speed reduction gearing upper shell (10).Input shaft (2) is connected with magnet ring (15), magnetic guiding loop (14), worm gear (16) and radial ball bearing (17) press-fit in miniature gears output shaft (18) upper in turn, and input shaft (2) is connected by torsion bar (8) pin joint with miniature gears output shaft (18).Connecting body is installed in power-assisted speed reduction gearing upper shell (10).
The utility model module two: steering wheel tooth bar (5) is connected with rod head (7), junction has dust boot (6) to cover, and this connector is installed in power-assisted deceleration lower house (13).
Module one is assemblied in module two, and the miniature gears output shaft (18) of module one is supported by the bearing (20) of module two, and engages with the worm screw (11) of module two.Module one is connected by four fixing threaded holes with module two, by O type circle (12) sealing, reaches good waterproof effect.
In the time that input shaft (2) has steering effort, between input shaft (2) and miniature gears output shaft (18), there is torque difference, make torsion bar (8) that deformation occur, magnet ring (15) on input shaft (2) relatively rotates with the magnetic guiding loop (14) on miniature gears output shaft (18), cause the magnetic flow on magnetic guiding loop (14) to change, this magnetic energy variable quantity is passed to outer survey ring (9), outer survey ring (9) converts magnetic energy signal to electric signal, delivers to controller.
Controller receives after this signal, send as calculated instruction control assist motor (1), assist motor (1) is connected with worm screw (11), worm screw (11) is passed to miniature gears output shaft (18) by power-assisted by worm gear (16), the rotation band carry-over bar (5) of miniature gears output shaft (18) axially moves, and realizes the electric boosted effect of miniature gears.
The utility model can conserve energy, under various driving cycles, provide that suitable power-assisted, part is few, quality is light, compact conformation, assembly automation degree are high, is that a kind of reliability is high, the vehicle power steering device of long service life, safety and environmental protection.
Claims (3)
1. the miniature gears electric booster steering device of a novel sensor, comprise non-contact torque sensor, assist motor, worm gear, worm screw, bearing, power-assisted speed reduction gearing upper shell, power-assisted speed reduction gearing lower house, pinion shaft, tooth bar, steering assembly and torsion bar, input shaft is connected by torsion bar with pinion shaft, when input shaft rotates, pinion shaft also rotates with input shaft with respect to Torsion rod, because of Torsion rod, make non-contact torque sensor change deformation signal into voltage signal, be transported to controller, controller is according to this signal control assist motor, assist motor is passed to pinion shaft by assist torque by worm and gear, pinion shaft band carry-over bar does straight-line motion, realize servo-steering.
2. the miniature gears electric booster steering device of a kind of novel sensor according to claim 1, it is characterized in that: the outer survey ring of described Non-contact torque sensing device is fixed on power-assisted speed reduction gearing upper shell, its magnetic guiding loop is fixed on pinion shaft, and its magnet ring is fixed on input shaft.
3. the miniature gears electric booster steering device of a kind of novel sensor according to claim 1, it is characterized in that: described miniature gears electric booster steering device has adopted modular design, the i.e. module one taking Non-contact torque sensing device, worm and gear and power-assisted deceleration upper shell as core, the module two taking power-assisted speed reduction gearing lower house and tooth bar as core; Module one composition comprises non-contact torque sensor, worm and gear input shaft, pinion shaft, power-assisted speed reduction gearing upper shell and radial ball bearing, module two compositions comprise power-assisted speed reduction gearing lower house, tooth bar, between the power-assisted deceleration lower house of the power-assisted deceleration upper shell of module one and module two, be connected by four fixing threaded holes in addition, module one can be rotated by 90 degree, and two modules are by bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320728201.4U CN203739969U (en) | 2013-11-15 | 2013-11-15 | Pinion-type electric power steering gear adopting novel sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320728201.4U CN203739969U (en) | 2013-11-15 | 2013-11-15 | Pinion-type electric power steering gear adopting novel sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203739969U true CN203739969U (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320728201.4U Expired - Lifetime CN203739969U (en) | 2013-11-15 | 2013-11-15 | Pinion-type electric power steering gear adopting novel sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203739969U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105151114A (en) * | 2015-09-30 | 2015-12-16 | 安徽江淮汽车股份有限公司 | Electric steering-column worm and gear structure |
| CN108116476A (en) * | 2017-12-30 | 2018-06-05 | 王思瑶 | A kind of motor power transfer |
-
2013
- 2013-11-15 CN CN201320728201.4U patent/CN203739969U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105151114A (en) * | 2015-09-30 | 2015-12-16 | 安徽江淮汽车股份有限公司 | Electric steering-column worm and gear structure |
| CN108116476A (en) * | 2017-12-30 | 2018-06-05 | 王思瑶 | A kind of motor power transfer |
| CN108116476B (en) * | 2017-12-30 | 2019-01-04 | 曹胜伟 | A kind of motor power transfer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 300356, Tianjin, Jinnan District, eight mile town, Keda Road, No. 4 Patentee after: TIANJIN DECO AUTOMOTIVE PARTS Co.,Ltd. Address before: Three road 300384 Tianjin city Xiqing District hi tech Industrial Park Branch No. 1 Building 5 -1101 Patentee before: TIANJIN DECO AUTOMOTIVE PARTS Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300356 No.4, Keda 1st Road, Balitai Town, Jinnan District, Tianjin Patentee after: Tianjin Deke Intelligent Control Co.,Ltd. Address before: 300356 No.4, Keda 1st Road, Balitai Town, Jinnan District, Tianjin Patentee before: Tianjin Deke Auto Parts Co.,Ltd. Address after: 300356 No.4, Keda 1st Road, Balitai Town, Jinnan District, Tianjin Patentee after: Tianjin Deke Auto Parts Co.,Ltd. Address before: 300356 No.4, Keda 1st Road, Balitai Town, Jinnan District, Tianjin Patentee before: TIANJIN DECO AUTOMOTIVE PARTS Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |