CN202429113U - Steering device - Google Patents
Steering device Download PDFInfo
- Publication number
- CN202429113U CN202429113U CN 201220040665 CN201220040665U CN202429113U CN 202429113 U CN202429113 U CN 202429113U CN 201220040665 CN201220040665 CN 201220040665 CN 201220040665 U CN201220040665 U CN 201220040665U CN 202429113 U CN202429113 U CN 202429113U
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- rotating part
- teeth
- steering hardware
- output shaft
- worm screw
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- 239000012634 fragment Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 21
- 238000013461 design Methods 0.000 abstract description 11
- 208000032369 Primary transmission Diseases 0.000 abstract 1
- 230000006978 adaptation Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The utility model discloses a steering device which comprises a driving part, a rotating part and a rotating shaft. The driving part is provided with an output shaft; a conical worm is arranged on the output shaft; and the conical worm can rotate through the output shaft. Teeth are arranged at the edge part of the upper side of the rotating part and matched with the conical worm in a meshed way. The rotating shaft is arranged on the rotating part and far from one end of the edge where the teeth are arranged of the rotating part; and the structural design can ensure that the rotating part rotates around the rotating shaft, and the teeth can rotate around the axis of the rotating shaft when the rotating part rotates. Due to the adoption of the structural design, the steering device adopts the conical worm to realize the steering operation of a car lamp through primary transmission of the rotating part, not only ensures that the steering device has high transmission accuracy, but also can realize the purpose of solving the problem that the volume of a rotary actuator is large in the prior art.
Description
Technical field
The utility model relates to the automotive automation technical field, particularly a kind of steering hardware.
Background technology
Along with the continuous development of automotive electronic technology, safe driving and intelligent driving have proposed increasingly high requirement to vehicle electronics and vehicle structure design field.Self adaptation car light steering swivel system (AFS:Adaptive Front-lighting system) wherein, be a kind of when solving the automobile night running system of visual angle problem.In this system automobile lamp can the direction of illumination of lamp in time be turned to chaufeur the direction that will turn to so that chaufeur can clearly be recognized the particular case of the direction that will turn to, thereby improve drive safety.One of device of most critical is exactly the horizontal directional drive of automobile lamp in the self adaptation car light steering swivel system.In the prior art, the kind of the structure of horizontal directional drive is more, but rough structure all comprises following a few part: 1) stepping motor provides to drive power and export predetermined rotational angular; 2) driving device, effect are the output torques that slows down and amplify stepping motor; 3) output unit is connected with driven lamp holder, rotates to drive lamp holder; 4) corner accuracy control system, this system be by the sensor senses angle position, and compare with pre-stored values, and when producing error, the control unit that is carried by this actuator sends instruction, and angle is revised.
In automobile technical field, any one parts is satisfying under the situation of its in-use performance, requires the volume of parts more little good more.In above-mentioned self adaptation car light steering swivel system, rotary actuator is installed in the lamp house of automobile lamp, if the rotary actuator volume can reduce, will improve the simple installation property that car light is installed.
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of representative type rotary actuator in the prior art.
Representative type rotary actuator in a kind of prior art comprises the two-stage transmission, and the worm and gear transmission is adopted in first order transmission, and the outer transmission of parallel shafts is adopted in the second stage.Adopt the type of drive of two-stage transmission, though can realize the steering operation of car light, its complex structure, volume are bigger, be not easy to install, and in the two-stage transmission, all there is driving error in each level, will reduce the transmission accuracy of rotary actuator.
In sum, how to solve the problem of the big and underneath drive precision of rotary actuator volume in the prior art, become those skilled in the art's problem demanding prompt solution.
The utility model content
The technical matters that the utility model will solve is for providing a kind of steering hardware, and this steering hardware can realize solving the purpose of the big and underneath drive precision problem of rotary actuator volume in the prior art through its structure.
For solving the problems of the technologies described above, the utility model provides a kind of steering hardware, is mainly used in turning to of automobile lamp, comprising:
Drive division, the output shaft of said drive division is provided with the taper worm screw;
Rotating part, the upper edge of said rotating part partly is provided with the teeth with said taper worm mesh;
Be used for the turning cylinder that links to each other with automobile lamp, said turning cylinder is arranged on the said rotating part, and is provided with an end of said teeth away from said rotating part.
Preferably, said drive division is a stepping motor.
Preferably, the utility model comprises that also the output shaft to said drive division provides the elastomeric element of thrust, and said elastomeric element and said output shaft are equipped with the relative end of said taper worm screw and connect.
Preferably, said elastomeric element is a U type shell fragment.
Preferably, to be provided with the edge of said teeth be curved edge to said rotating part.
Preferably, said rotating part is fan-shaped rotating part.
Preferably, the projection of shape of the teeth on the said rotating part on vertical direction constitutes the envelope structure, and teeth on the said rotating part and said rotating part form the enveloping solid structure.
Preferably, the whole gear teeth on the said taper worm screw have identical modulus.
The utility model provides a kind of steering hardware; Be mainly used in turning to of automobile lamp; Be applied in the self adaptation car light steering swivel system of automobile; In time turn on the direction that chaufeur institute will turn in order to the illumination direction of adjustment automobile lamp, thereby make chaufeur can clearly recognize the particular case of the direction that will turn to, the raising drive safety.In order to realize the steering operation to automobile lamp, the steering hardware that the utility model provided comprises: drive division, rotating part and turning cylinder.Wherein, drive division is used to provide the car light steering power, and drive division has output shaft, and output shaft is provided with the taper worm screw, and the taper worm screw can be rotated through output shaft.Rotating part can rotate, and the upper edge of rotation section partly is provided with teeth, and teeth cooperate with taper worm mesh.Turning cylinder is arranged on the rotating part; And be provided with the end at the edge of teeth away from rotating part; The axis that this structure design can make rotating part center on turning cylinder is rotated action, and when rotating part rotated, teeth can be rotated around the axis of turning cylinder.In the structure design of above-mentioned steering hardware, when drive section drives taper worm screw was rotated, because the teeth engagement fit on taper worm screw and the rotating part, rotating part can rotate around the axis of turning cylinder.Turning cylinder is connected with rotating part, drives the rotational of turning cylinder around self when rotating part rotates, and this moment, the end of turning cylinder was connected with automobile lamp, then can realize the purpose that automobile lamp turns to.In the steering hardware that the utility model provided; At first; Because this device adopts the one-level transmission, directly rotate (, therefore can turning cylinder be regarded as the part of rotating part) and realize turning to of car light because turning cylinder is to be arranged on the rotating part by taper worm screw driven rotary portion; The driving error that adopts the one-level transmission to introduce is less, therefore can realize improving the purpose of transmission accuracy; And, adopt the one-level transmission, its steering hardware simple in structure, volume is less, is convenient to the fitting operation of the utility model; In addition, owing to adopt the engagement system realization of teeth on taper worm screw and the rotating part to be connected, this connection structure is similar to awl turbine spiroid structure of the prior art, has bigger transmitting ratio, thereby can satisfy the takeoff output requirement that car light turns to.The steering hardware that the utility model provided not only has higher transmission accuracy through the said structure design, can also realize solving the purpose of the big problem of rotary actuator volume in the prior art.
Description of drawings
Fig. 1 is the structural representation of a kind of representative type rotary actuator in the prior art;
Fig. 2 is for turning to the structural representation of device among a kind of embodiment of the utility model;
The corresponding relation of component names and Reference numeral is among Fig. 2:
Drive division 1; Taper worm screw 11;
Rotating part 2; Teeth 21;
Turning cylinder 3;
The specific embodiment
The core of the utility model is for providing a kind of steering hardware, and this steering hardware can realize solving the purpose of the big and underneath drive precision problem of rotary actuator volume in the prior art through its structure.
In order to make those skilled in the art understand the technical scheme of the utility model better, the utility model is done further to specify below in conjunction with accompanying drawing and specific embodiment.
Please refer to Fig. 2, Fig. 2 is for turning to the structural representation of device among a kind of embodiment of the utility model.
The utility model provides a kind of steering hardware; Be mainly used in turning to of automobile lamp; Be applied in the self adaptation car light steering swivel system of automobile; In time turn on the direction that chaufeur institute will turn in order to the illumination direction of adjustment automobile lamp, thereby make chaufeur can clearly recognize the particular case of the direction that will turn to, the raising drive safety.In order to realize the steering operation to automobile lamp, the steering hardware that the utility model provided comprises: drive division 1, rotating part 2 and turning cylinder 3.Wherein, drive division 1 is used to provide the car light steering power, and drive division 1 has output shaft, and output shaft is provided with taper worm screw 11, and taper worm screw 11 can be rotated through output shaft.Rotating part 2 can rotate, and the upper edge of rotation section partly is provided with teeth 21, teeth 21 and taper worm screw 11 engagement fit.Turning cylinder 3 is arranged on the rotating part 2; And be provided with the end at the edge of teeth 21 away from rotating part 2; This structure design can make rotating part 2 be rotated action around the axis of turning cylinder 3, and when rotating part 2 rotated, teeth 21 can be rotated around the axis of turning cylinder 3.In the structure design of above-mentioned steering hardware, when drive division 1 driving taper worm screw 11 was rotated, because teeth 21 engagement fit on taper worm screw 11 and the rotating part 2, rotating part 2 can rotate around the axis of turning cylinder 3.Turning cylinder 3 is connected with rotating part 2, and rotating part 2 drives the rotational of turning cylinder 3 around self when rotating, and this moment, the end of turning cylinder 3 was connected with automobile lamp, then can realize the purpose that automobile lamp turns to.In the steering hardware that the utility model provided; At first; Because this device adopts the one-level transmission, directly rotate (, therefore can turning cylinder 3 be regarded as the part of rotating part 2) and realize turning to of car light because turning cylinder 3 is to be arranged on the rotating part 2 by taper worm screw 11 driven rotary portions 2; The driving error that adopts the one-level transmission to introduce is less, therefore can realize improving the purpose of transmission accuracy; And, adopt the one-level transmission, its steering hardware simple in structure, volume is less, is convenient to the fitting operation of the utility model; In addition, owing to adopt the engagement system realization of teeth 21 on taper worm screw 11 and the rotating part 2 to be connected, this connection structure is similar to awl turbine spiroid structure of the prior art, has bigger transmitting ratio, thereby can satisfy the takeoff output requirement that car light turns to.The steering hardware that the utility model provided not only has higher transmission accuracy through the said structure design, can also realize solving the purpose of the big problem of rotary actuator volume in the prior art.
In order to realize that car light turns to control more accurately, in a specific embodiment of the utility model, drive division 1 is a stepping motor, and the output shaft of stepping motor is provided with taper worm screw 11.Stepping motor is that first stepping motor spare is controlled in the open loop that electric impulse signal changes angular transposition or displacement of the lines into.Under the situation of non-overload; The frequency and the pulse count of impulse singla only depended in rotating speed of motor, the position that stops; And do not receive the influence of load variations, when step actuator receives an impulse singla, it rotates a fixing angle with regard to drive stepping motor by the direction of setting; Be called " step size ", its rotation is to move step by step with fixing angle.Can come the operating angle displacement through the control wave number, thereby reach the purpose of accurate location.If when adopting " step size " less stepping motor because the rotational angle in each step of stepping motor is less, can realize precision higher turn to control.
Because the steering hardware that the utility model provides is to be meshing with each other through the teeth 21 on taper worm screw 11 and the rotating part 2 to realize transmission; This similar is in awl turbine spiroid structure of the prior art; In this connection structure, has bigger gap between the teeth 21 on the gear teeth on the taper worm screw 11 and the rotating part 2.In order to reduce the gap between this teeth 21, the utility model also provides elastomeric element 4, and elastomeric element 4 and output shaft are equipped with the relative end butt of taper worm screw 11, and elastomeric element 4 can provide thrust to the output shaft of drive division 1 after producing deformation.Can know that as general general knowledge in being similar to actuating devices such as motor, the output shaft that is rotated all has along the less activity on its axis direction.Therefore; When elastomeric element 4 acts on the output shaft of drive disk assembly; Can promote output shaft moves; Make output shaft drive the teeth 21 that taper worm screw 11 is withstood on the rotating part 2, reduce the gear teeth and the gap between the teeth 21 on the rotating part 2 on the taper worm screw 11, the reliability of raising transmission through this structure design.
Particularly, elastomeric element 4 is a U type shell fragment in an embodiment of the utility model.U type shell fragment has two swing arms, and these two swing arms are owing to the material property of manufacturing materials, and for example copper shell fragment can produce restoring force when deformation takes place.Two swing arms of compression U type shell fragment reduce its spacing; Fixing one of them swing arm; The output shaft of another swing arm and actuating device connects; At this moment, the return action that U type shell fragment is produced will to thrust of output shaft, this thrust output shaft is realized reducing of spacing between the teeth 21 on taper worm screw 11 and the rotating part 2.In addition, other the parts of output shaft that promote drive division 1 of can realizing all can be applicable in the utility model, for example spring.When adopting spring, spring is under compressive state, and an end fixedly installs, and an other end then is connected with the output shaft of drive division 1, also can realize the impetus to output shaft.
Generally speaking, if parts can be rotated when moving, have the rotation space of qualification in order to guarantee these parts, these parts can adopt the structure design with curved edge mostly.For example, adopt the parts of disc structure, when being rotated around its disc centre line, the shared rotation space of these parts is fixed.In the utility model, because rotating part 2 time need rotate in work, occupation space is fixed in order to make that rotating part 2 rotates the time, and the edge that rotating part 2 is provided with teeth 21 is a curved edge.
Particularly, based on the foregoing description, in the another one embodiment of the utility model, rotating part 2 adopts sector structure, and rotating part 2 is fan-shaped rotating part 2.The rotating part 2 of employing sector structure is similar to the part of above-mentioned disc structure, and when rotating part 2 rotated, its rotation space was certain.
Need explain that at this envelope is a kind of structure that is interwoven by many oval curves of can thinking.In a specific embodiment of the utility model, the projection of shape of the teeth 21 on the rotating part 2 on vertical direction constitutes the envelope structure, and the teeth 21 on the rotating part 2 form the enveloping solid structure with rotating part 2.The steering hardware that the utility model provided through adopting taper worm screw 11 and rotating part 2 enveloping solid structures, not only can under very little width between centers, realize very big transmitting ratio, and intensity can meet the demands also.Because spiroid gear Procedure for Spiroid Gearing overlap ratio is very big, can reach 10% of all numbers of teeth of spiroid gear.
Particularly, the whole gear teeth on the taper worm screw 11 that the utility model provided have identical modulus, and so the manufacturing of worm screw not only is convenient in setting, can also make transmission have higher stationarity.
More than a kind of steering hardware that the utility model provided has been carried out detailed introduction.Used concrete example among this paper the principle and the embodiment of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (8)
1. a steering hardware is mainly used in turning to of automobile lamp, it is characterized in that, comprising:
Drive division (1), the output shaft of said drive division (1) is provided with taper worm screw (11);
Rotating part (2), the upper edge of said rotating part (2) partly are provided with and said taper worm screw (11) ingear teeth (21);
Be used for the turning cylinder (3) that links to each other with automobile lamp, said turning cylinder (3) is arranged on the said rotating part (2), and is provided with an end of said teeth (21) away from said rotating part (2).
2. according to the said steering hardware of claim 1, it is characterized in that said drive division (1) is a stepping motor.
3. according to the said steering hardware of claim 2, it is characterized in that comprise that also output shaft to said drive division (1) provides the elastomeric element (4) of thrust, said elastomeric element (4) is equipped with the relative end of said taper worm screw (11) with said output shaft and connects.
4. according to the said steering hardware of claim 3, it is characterized in that said elastomeric element (4) is a U type shell fragment.
5. according to the said steering hardware of claim 1, it is characterized in that the edge that said rotating part (2) is provided with said teeth (21) is a curved edge.
6. according to the said steering hardware of claim 5, it is characterized in that said rotating part (2) is fan-shaped rotating part (2).
7. according to the said steering hardware of claim 5, it is characterized in that the projection of shape of the teeth (21) on the said rotating part (2) on vertical direction constitutes the envelope structure, the teeth (21) on the said rotating part (2) form the enveloping solid structure with said rotating part (2).
8. according to each said steering hardware of claim 1 to 7, it is characterized in that the whole gear teeth on the said taper worm screw (11) have identical modulus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220040665 CN202429113U (en) | 2012-02-08 | 2012-02-08 | Steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220040665 CN202429113U (en) | 2012-02-08 | 2012-02-08 | Steering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202429113U true CN202429113U (en) | 2012-09-12 |
Family
ID=46778584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220040665 Expired - Lifetime CN202429113U (en) | 2012-02-08 | 2012-02-08 | Steering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202429113U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108099760A (en) * | 2017-12-13 | 2018-06-01 | 芜湖润蓝生物科技有限公司 | A kind of headlight for vehicles convenient for adjusting angle |
-
2012
- 2012-02-08 CN CN 201220040665 patent/CN202429113U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108099760A (en) * | 2017-12-13 | 2018-06-01 | 芜湖润蓝生物科技有限公司 | A kind of headlight for vehicles convenient for adjusting angle |
| CN108099760B (en) * | 2017-12-13 | 2021-07-02 | 芜湖市创源新材料有限公司 | Automobile headlamp convenient for angle adjustment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 4 / F, building 1, No.14 Jiuxianqiao Road, Chaoyang District, Beijing 100020 Patentee after: Beijing Jingwei Hirain Technologies Co.,Inc. Address before: 100101 Beijing city Chaoyang District Anxiang Beili 11 B block 8 layer Patentee before: Beijing Jingwei HiRain Technologies Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120912 |
|
| CX01 | Expiry of patent term |