CN218986747U - Power-assisted steering device - Google Patents
Power-assisted steering device Download PDFInfo
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- CN218986747U CN218986747U CN202223361594.8U CN202223361594U CN218986747U CN 218986747 U CN218986747 U CN 218986747U CN 202223361594 U CN202223361594 U CN 202223361594U CN 218986747 U CN218986747 U CN 218986747U
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Abstract
The utility model relates to the technical field of steering, in particular to a power-assisted steering device which comprises a mounting tube, a power-assisted mechanism and an ash removing mechanism, wherein the mounting tube is fixedly arranged on a vehicle body, the power-assisted mechanism is arranged on the mounting tube and comprises a connecting shaft, a driving component and a traction component, a housing is fixedly arranged on the outer wall of the mounting tube, the connecting shaft is rotatably arranged in the housing through a bearing, the driving component is inserted on the housing, the traction component is arranged on the mounting tube, the ash removing mechanism is arranged on the power-assisted mechanism, the ash removing mechanism comprises a dust sensor and an adsorption component, the dust sensor is inserted at the top of the housing, the output end of the dust sensor faces the inside of the housing, and the adsorption component is arranged in the housing.
Description
Technical Field
The utility model relates to the technical field of steering, in particular to a power-assisted steering device.
Background
EPS is an abbreviation for electric power steering, i.e. electric power steering. Electric power steering systems are a direction of development of automotive steering systems. The system directly provides steering assistance by the electric booster, and omits a power steering oil pump, a hose, hydraulic oil, a conveyor belt and a belt pulley arranged on an engine which are necessary for a hydraulic power steering system, thereby saving energy and protecting the environment. In addition, the steering device has the characteristics of simple adjustment, flexible assembly and capability of providing steering assistance under various conditions. With these advantages, electric power steering systems, as a new steering technology, will challenge hydraulic steering systems that are well known and have been known for over 50 years.
The existing automobile steering system has the following defects:
1. after the driving assembly works for a period of time, dust is very easy to adsorb in the cover shell and rubber scraps which are aged and shed from the wire insulation layer of the electrical parts in the cover shell are subjected to manual treatment, the vehicle is required to be lifted first, the cover shell is opened again, time and labor are wasted, the treatment efficiency is low, the dirt degree in the cover shell cannot be monitored in real time, the intelligent degree is low, and the instantaneity is poor.
2. The existing hydraulic power-assisted steering system controls steering through oil pressure conveying, is unstable in control, takes longer time, is slower in speed, and reduces steering accuracy and rapidness.
Disclosure of Invention
The utility model aims to provide a power steering device.
To achieve the purpose, the utility model adopts the following technical scheme:
there is provided a power steering apparatus including a mounting tube fixedly provided to a vehicle body,
also comprises a power-assisted mechanism and an ash-cleaning mechanism,
the power assisting mechanism is arranged on the mounting tube, the power assisting mechanism comprises a connecting shaft, a driving component and a traction component, a housing is fixedly arranged on the outer wall of the mounting tube, the connecting shaft is rotatably arranged in the housing through a bearing, the driving component is inserted on the housing, the traction component is arranged on the mounting tube,
the ash removal mechanism is arranged on the power assisting mechanism and comprises a dust sensor and an adsorption assembly, the dust sensor is inserted into the top of the housing, the output end of the dust sensor faces the interior of the housing, and the adsorption assembly is arranged in the housing.
Preferably, the adsorption component comprises a belt, a micro motor, three synchronous wheels and three fans, wherein three support plates are arranged on the inner wall of the housing at equal intervals, the micro motor is fixedly arranged at the top of one support plate, the tops of the other two support plates are respectively provided with a hinge shaft in an inserted mode, the three synchronous wheels and the three fans are respectively fixedly arranged at the output end of the micro motor and the two hinge shafts, and the belt is sleeved between the three synchronous wheels.
Preferably, the air inlet filter plates are arranged on the outer wall of the housing in the circumferential direction, and three air outlet filter plates are arranged at equal intervals on the top of the housing.
Preferably, the driving assembly comprises a worm wheel, a worm and a servo motor, wherein the servo motor is inserted on the outer wall of the housing, the output end of the servo motor extends into the housing, the worm is fixedly arranged on the output end of the servo motor, the worm wheel is fixedly arranged on the outer wall of the connecting shaft, the worm wheel is meshed with the worm and connected, and a plurality of oblique tooth grooves are formed in the outer wall of the bottom of the connecting shaft.
Preferably, the traction assembly comprises a diagonal rack, two transverse pull rods and two connecting arms, wherein the diagonal rack is arranged in the installation tube in a sliding mode, the diagonal rack is connected with the diagonal groove in a meshed mode, the two transverse pull rods are arranged at two ends of the diagonal rack in a hinged mode through two spherical hinges, and each connecting arm is fixedly arranged at one end, far away from the spherical hinge, of one transverse pull rod.
Preferably, the top outer wall of the housing is fixedly provided with a mounting rod, and the outer wall of the mounting rod is fixedly provided with a signal processing module.
The utility model has the beneficial effects that:
1. when the dust sensor detects that dust exists in the housing, the dust sensor sends the signal to the signal processing module, the signal processing module sends the signal to the vehicle system, the vehicle system sends an instruction to the micro motor, the micro motor is started, the belt, the three synchronous wheels and the three fans are driven to rotate, three air outlets are formed in the top of the housing at equal intervals, each air outlet filter plate is positioned in one air outlet, when the three fans rotate, external air is sucked into the housing from the air inlet filter plate, and the three air outlet filter plates are matched, so that negative pressure is formed in the housing, dust and rubber debris accumulated in the housing are sucked out of the housing from the air outlet filter plates, a cleaning effect is achieved, and because hot air is rising, the top of the housing is extremely easy to accumulate heat flow generated when the worm wheel, the worm and the connecting shaft rotate, the hot air is sucked out synchronously, the external lower-temperature air enters, a cooling effect is achieved, and electric elements in the housing are prevented from burning out, and protection is achieved.
2. According to the utility model, the dust accumulation amount of the housing can be monitored in real time by designing the dust sensor, so that the pollution degree in the housing can be conveniently and quickly known, the intelligent degree and instantaneity of the power steering system are improved, the maintenance efficiency is improved, and the service life of the power steering system is prolonged.
3. Compared with the traditional hydraulic power steering system HPS, the electric transmission is quicker than the hydraulic power steering through the power assisting mechanism, namely the connecting shaft, the driving assembly and the traction assembly, the steering efficiency is improved, meanwhile, the steering is more accurate, the driving safety is improved, and the potential safety hazard is avoided.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the following description briefly describes the drawings in the embodiments of the present utility model.
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic perspective view of the utility model with the mounting tube and housing removed;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 2;
FIG. 5 is a schematic diagram showing a perspective view of the mounting tube and housing removed in accordance with the present utility model;
FIG. 6 is an enlarged view at C in FIG. 5;
in the figure: the device comprises a mounting tube 1, a connecting shaft 2, a driving component 3, a traction component 4, a housing 5, a dust sensor 6, an adsorption component 7, a belt 8, a micro motor 9, a synchronous wheel 10, a fan 11, an air inlet filter plate 12, an air outlet filter plate 13, a worm wheel 14, a worm 15, a servo motor 16, a helical groove 17, a helical rack 18, a transverse pull rod 19, a connecting arm 20, a spherical hinge 21 and a signal processing module 22.
Detailed Description
The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced in size and do not represent the actual product dimensions.
Referring to fig. 1 and 3, a power steering apparatus includes a mounting tube 1, the mounting tube 1 being fixedly provided on a vehicle body,
also comprises a power-assisted mechanism and an ash-cleaning mechanism,
the power assisting mechanism is arranged on the installation tube 1, the power assisting mechanism comprises a connecting shaft 2, a driving component 3 and a traction component 4, a housing 5 is fixedly arranged on the outer wall of the installation tube 1, the connecting shaft 2 is rotatably arranged in the housing 5 through a bearing, the driving component 3 is inserted on the housing 5, the traction component 4 is arranged on the installation tube 1,
the ash removal mechanism is arranged on the power assisting mechanism and used for cleaning dust in the housing 5, the ash removal mechanism comprises a dust sensor 6 and an adsorption assembly 7, the dust sensor 6 is inserted into the top of the housing 5, the output end of the dust sensor faces the interior of the housing 5, and the adsorption assembly 7 is arranged in the housing 5.
Referring to fig. 4, the adsorbing assembly 7 includes a belt 8, a micro motor 9, three synchronizing wheels 10 and three fans 11, three supporting plates are disposed on the inner wall of the housing 5 at equal intervals, the micro motor 9 is fixedly disposed on the top of one supporting plate, hinge shafts are inserted on the tops of the other two supporting plates, the three synchronizing wheels 10 and the three fans 11 are fixedly disposed on the output end of the micro motor 9 and the two hinge shafts, respectively, the belt 8 is sleeved between the three synchronizing wheels 10, since the mounting tube 1 is mounted on the bottom bracket of the vehicle body, the housing 5 is disposed on the outer wall of the mounting tube 1, after the driving assembly 3 operates for a certain time, dust is easily adsorbed in the interior of the housing 5 and rubber chips aged and shed from the wire insulation layers of the electrical components in the housing 5 are very easily adsorbed, when the dust sensor 6 detects the dust in the interior of the housing 5, the dust is transmitted to the signal processing module 22, thereby the signal processing module 22 is transmitted to the vehicle system, and then the vehicle system is transmitted to the micro motor 9 to be started, and the belt 8 and the three synchronizing wheels 10 and the three fans 11 are driven to rotate.
Referring to fig. 3 and 6, an air inlet filter plate 12 is arranged on the outer wall of the housing 5 in the circumferential direction, three air outlet filter plates 13 are arranged at the top of the housing 5 at equal intervals, three air outlets are arranged at the top of the housing 5 at equal intervals, each air outlet filter plate 13 is positioned in one air outlet, when the three fans 11 rotate, external air is sucked into the housing 5 from the air inlet filter plates 12 and is matched with the three air outlet filter plates 13, so that negative pressure is formed in the housing 5, dust and rubber chips accumulated in the housing are sucked out of the housing 5 from the air outlet filter plates 13, a cleaning effect is achieved, and as hot air is raised, the top of the housing 5 is extremely easy to accumulate heat flow generated when the worm wheel 14, the worm 15 and the connecting shaft 2 rotate, and the hot air can be synchronously sucked out while the dust and the rubber chips are sucked out, so that the external lower-temperature air enters into the housing, a cooling effect is achieved, electric elements in the housing 5 are prevented from being burnt out, and a protection effect is achieved.
Referring to fig. 2, the driving assembly 3 includes a worm wheel 14, a worm 15 and a servo motor 16, the servo motor 16 is inserted on the outer wall of the housing 5, the output end of the servo motor 16 extends into the housing 5, the worm 15 is fixedly arranged on the output end of the servo motor, the worm wheel 14 is fixedly arranged on the outer wall of the connecting shaft 2, the worm wheel 14 is meshed with the worm 15, a plurality of helical grooves 17 are arranged on the outer wall of the bottom of the connecting shaft 2, an angle sensor is fixedly arranged on the outer wall of the connecting shaft 2, a magnetic induction coil and a contactor are arranged in the housing 5, when a driver rotates the steering wheel, the angle sensor detects the rotation angle of the connecting shaft 2 connected with the steering wheel in real time, a probe on the angle sensor contacts with the inner wall of the contactor, thereby facilitating the induction of the magnetic induction coil and transmitting a torque signal of the connecting shaft 2 to an electronic control unit in a vehicle machine system, thereby starting the servo motor 16 to drive the worm 15 on the output end of the servo motor to rotate, and the worm wheel 15 is fixedly connected with the connecting shaft 2 due to the worm wheel 14 and the worm wheel 15 being meshed with the worm wheel 14, thereby driving the connecting shaft 2 to rotate.
Referring to fig. 5, the traction assembly 4 includes a diagonal rack 18, two tie rods 19 and two connecting arms 20, the diagonal rack 18 is slidably disposed in the installation tube 1, the diagonal rack 18 is engaged with the diagonal slot 17, the two tie rods 19 are hinged at two ends of the diagonal rack 18 through two spherical hinges 21, each connecting arm 20 is fixedly disposed at one end of one tie rod 19 far away from the spherical hinge 21, when the connecting shaft 2 rotates, the diagonal rack 18 is slidably connected with the installation tube 1 due to the fact that the diagonal slot 17 on the connecting shaft 2 is engaged with the diagonal rack 18, and further, the diagonal rack 18 is driven to slide left due to the fact that the tie rods 19 are hinged with one end of the diagonal rack 18 through the spherical hinges 21, so that left-direction deflection of two wheels is achieved, when the two wheels need to deflect right, the operation is opposite to the above steps, and the overall steering effect of the vehicle is achieved.
Referring to fig. 2, a mounting rod is fixedly arranged on the top outer wall of the housing 5, a signal processing module 22 is fixedly arranged on the outer wall of the mounting rod, the signal processing module 22 is responsible for receiving signals sent by the angle sensor, and electronic control is performed after the signals are processed, so that steering precision and efficiency are improved.
Claims (6)
1. The utility model provides a power assisted steering device, includes installation pipe (1), and installation pipe (1) are fixed to be established on the automobile body, its characterized in that:
also comprises a power-assisted mechanism and an ash-cleaning mechanism,
the power assisting mechanism is arranged on the mounting pipe (1), the power assisting mechanism comprises a connecting shaft (2), a driving component (3) and a traction component (4), a housing (5) is fixedly arranged on the outer wall of the mounting pipe (1), the connecting shaft (2) is rotatably arranged in the housing (5) through a bearing, the driving component (3) is inserted on the housing (5), the traction component (4) is arranged on the mounting pipe (1),
the dust removing mechanism is arranged on the power assisting mechanism and used for cleaning dust inside the housing (5), the dust removing mechanism comprises a dust sensor (6) and an adsorption assembly (7), the dust sensor (6) is inserted into the top of the housing (5), the output end of the dust sensor is towards the inside of the housing (5), and the adsorption assembly (7) is arranged inside the housing (5).
2. A power steering apparatus according to claim 1, wherein: the adsorption component (7) comprises a belt (8), a micro motor (9), three synchronous wheels (10) and three fans (11), wherein three supporting plates are arranged on the inner wall of the housing (5) at equal intervals, the micro motor (9) is fixedly arranged at the top of one supporting plate, the tops of the other two supporting plates are respectively inserted with a hinge shaft, the three synchronous wheels (10) and the three fans (11) are respectively fixedly arranged at the output end of the micro motor (9) and the two hinge shafts, and the belt (8) is sleeved between the three synchronous wheels (10).
3. A power steering apparatus according to claim 2, wherein: an air inlet filter plate (12) is arranged on the outer wall of the housing (5) in the circumferential direction, and three air outlet filter plates (13) are arranged at equal intervals on the top of the housing (5).
4. A power steering apparatus according to claim 3, wherein: the driving assembly (3) comprises a worm wheel (14), a worm (15) and a servo motor (16), wherein the servo motor (16) is inserted on the outer wall of the housing (5), the output end of the servo motor extends into the housing (5), the worm (15) is fixedly arranged on the output end of the servo motor, the worm wheel (14) is fixedly arranged on the outer wall of the connecting shaft (2), the worm wheel (14) is meshed with the worm (15), and a plurality of helical tooth grooves (17) are formed in the outer wall of the bottom of the connecting shaft (2).
5. A power steering apparatus according to claim 4, wherein: the traction assembly (4) comprises a diagonal rack (18), two tie rods (19) and two connecting arms (20), wherein the diagonal rack (18) is arranged inside the installation pipe (1) in a sliding mode, the diagonal rack (18) is connected with the diagonal groove (17) in a meshed mode, the two tie rods (19) are arranged at two ends of the diagonal rack (18) in a hinged mode through two spherical hinges (21), and each connecting arm (20) is fixedly arranged at one end, far away from the spherical hinge (21), of one tie rod (19).
6. A power steering apparatus according to claim 5, wherein: the top outer wall of the housing (5) is fixedly provided with a mounting rod, and the outer wall of the mounting rod is fixedly provided with a signal processing module (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223361594.8U CN218986747U (en) | 2022-12-13 | 2022-12-13 | Power-assisted steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223361594.8U CN218986747U (en) | 2022-12-13 | 2022-12-13 | Power-assisted steering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218986747U true CN218986747U (en) | 2023-05-09 |
Family
ID=86220264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223361594.8U Active CN218986747U (en) | 2022-12-13 | 2022-12-13 | Power-assisted steering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218986747U (en) |
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2022
- 2022-12-13 CN CN202223361594.8U patent/CN218986747U/en active Active
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