CN209262161U - A kind of double worm gear arrangements of micro-machine gear-box - Google Patents
A kind of double worm gear arrangements of micro-machine gear-box Download PDFInfo
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- CN209262161U CN209262161U CN201821984556.9U CN201821984556U CN209262161U CN 209262161 U CN209262161 U CN 209262161U CN 201821984556 U CN201821984556 U CN 201821984556U CN 209262161 U CN209262161 U CN 209262161U
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- gear unit
- worm gear
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Abstract
The utility model discloses a kind of double worm gear arrangements of micro-machine gear-box, including cabinet and it is mounted in the intracorporal motor of case, left-handed worm gear unit, dextrorotation worm gear unit and output gear；Motor is equipped with worm screw, and left-handed worm gear unit is located at the side of worm screw, connection is engaged with worm screw；Dextrorotation worm gear unit is located at the other side of worm screw, and connection is engaged with worm screw；Left-handed worm gear unit and dextrorotation worm gear unit are rotate in same direction by worm-drive realization；Left-handed worm gear unit and dextrorotation worm gear unit are engaged with output gear simultaneously, and output gear is driven to rotate.Compared with the transmission of single screw gear, the utility model is using double worm gear arrangements, can active balance due to worm and worm wheel unit engage and generate axial force, worm screw both ends are avoided to lead to fever and noise with other parts friction, to improve automatic seat electric efficiency, noise is reduced, and it can shunt transmission power, the service life for effectively improving strength weak part improves the output torque of product.
Description
Technical field
The utility model relates to micro-machine gear-box field, double worm gear knots of specifically a kind of micro-machine gear-box
Structure.
Background technique
Micro-machine gear-box has a wide range of applications in general machinery equipment.Due to the small in size of its own and it is driven
The advantages such as facilitate, the automatic seat for being also widely used in automobile adjusts field.In automatic seat field, it is mainly used for reality
The motorized adjustment of existing seat tilt angle positions.The pinion gear cabinet motor being applied on automatic seat in existing market, transmission
Structure is mainly single screw gear transmission, i.e., is the direct engaged transmission of single worm screw and single gear in structure design, should
The pinion stand motor of kind of design structure is easy to appear equipment operation stress balance is poor between part in transmission process
The problems such as middle noise is larger and easy fever, and this is unfavorable for the promotion of motor service efficiency, and it is weaker to further increase intensity
The load of part is unfavorable for the extension of the service life of pinion stand motor integral device, therefore the micro-machine of traditional structure
There are many areas for improvement for the drive mechanism of gear-box.
Utility model content
In view of the above situation, it is necessary to a kind of double worm gear arrangements of micro-machine gear-box are provided, it being capable of active balance tooth
Stress in wheel transmission between each part, and then the noise and easy heating problem in operational process are eliminated, to improve equipment
Service efficiency and service life.
To solve the above problems, a kind of double worm gear arrangements of micro-machine gear-box of the utility model, are mounted on cabinet
It is interior, including worm screw, left-handed worm gear unit, dextrorotation worm gear unit and output gear；
The worm screw, left-handed worm gear unit, dextrorotation worm gear unit and the output gear are mounted in the cabinet；
The left-handed worm gear unit is located at the side of the worm screw, is connected by meshing transmission with the worm screw；The dextrorotation
Worm gear unit is located at the other side of the worm screw, is connected by meshing transmission with the worm screw；The left-handed worm gear unit and described
Dextrorotation worm gear unit is rotate in same direction by worm-drive realization；
The left-handed worm gear unit is sequentially connected with the output gear simultaneously；The dextrorotation worm gear unit simultaneously with it is described
Output gear transmission connection；The left-handed worm gear unit and the dextrorotation worm gear unit, which rotate in same direction, drives the output gear rotation
It is dynamic.
In a kind of double worm gear arrangements of micro-machine gear-box of the utility model, the worm screw in gear-box
First half is left-hand worm, and the surface of the left-hand worm is left hand thread, and the latter half of of the worm screw is right-hand worm, described
The surface of right-hand worm is right-handed thread.
In a kind of double worm gear arrangements of micro-machine gear-box of the utility model, the left-handed worm gear unit is equipped with left-handed
Worm drive gear and left-handed output drive gear；The left-hand worm transmission gear is engaged with left-hand worm transmission；Institute
Left-handed output drive gear is stated to engage with output gear transmission.
In a kind of double worm gear arrangements of micro-machine gear-box of the utility model, the dextrorotation worm gear unit is equipped with dextrorotation
Worm drive gear and dextrorotation output drive gear；The right-hand worm transmission gear is engaged with right-hand worm transmission；Institute
Dextrorotation output drive gear is stated to engage with output gear transmission.
A kind of double worm gear arrangements of micro-machine gear-box of the utility model have the beneficial effect that and are traditionally used for automobile
Single drive mechanism is compared in the micro-machine gear-box of automatic seat tilt angle positions adjustment, and the utility model is using left-handed
And the double worm gear arrangement transmissions of dextrorotation, snail can be avoided with active balance due to the axial force that worm and worm wheel unit engages and generates
Bar both ends lead to fever and noise with other parts friction, to improve electric efficiency, reduce motor noise, and left-handed defeated
Transmission gear and dextrorotation output drive gear drive output gear to operate simultaneously out, transmission power can be shunted, be effectively improved
The service life of strength weak part, and improve the output torque of product.
Detailed description of the invention
Fig. 1 is a kind of three-dimensional view of double worm gear arrangements of micro-machine gear-box of the utility model；
Fig. 2 is a kind of dismantling view of double worm gear arrangements of micro-machine gear-box of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
Referring to Figure 1 and Fig. 2, in a kind of double worm gear arrangements of micro-machine gear-box of the present embodiment, it is mounted on cabinet 1
It is interior comprising worm screw 2, left-handed worm gear unit 3, dextrorotation worm gear unit 4 and output gear 5；Worm screw 2, left-handed worm gear unit 3, the right side
Rotation worm gear unit 4 and output gear 5 are mounted in cabinet 1；Left-handed worm gear unit 3 is located at the side of worm screw 21, with worm screw 21
It is connected by meshing transmission；Dextrorotation worm gear unit 4 is located at the other side of worm screw 21, is connected by meshing transmission with worm screw 21；Left-handed worm gear
Unit 3 and dextrorotation worm gear unit 4 are realized by the transmission of worm screw 21 to be rotate in same direction；Left-handed worm gear unit 3 is passed with output gear 5 simultaneously
Dynamic connection；Dextrorotation worm gear unit 4 is sequentially connected with output gear 5 simultaneously；Left-handed worm gear unit 3 and dextrorotation worm gear unit 4 are in the same direction
Rotation drives output gear 5 to rotate, and drives worm screw 21 to rotate by worm screw 2 when work, and then drives left-handed snail by worm screw 21
Wheel unit 3 and dextrorotation worm gear unit 4 rotate in same direction, and drive output gear eventually by left-handed worm gear unit 3 and dextrorotation worm gear unit 4
Wheel 5 rotates clockwise or counterclockwise, and the seat of output gear 5 and automatic seat, which is carried on the back, to be connected, and rotation will drive seat back inclination angle
The adjusting of degree, and then realize the change at electric seat of car inclination angle.
Referring to Figure 1 and Fig. 2, in the present embodiment, specifically, the first half for the worm screw 21 being located in gear-box is left-handed
Worm screw 21, the surface of left-hand worm 21 are left hand thread, and the latter half of of worm screw 21 is right-hand worm 22, the surface of right-hand worm 22
For right-handed thread, the design of left-hand worm 21 and right-hand worm 22 realizes left-handed 3 He of worm gear unit positioned at 21 two sides of worm screw
Dextrorotation worm gear unit 4 rotates in same direction.
Referring to Figure 1 and Fig. 2, in the present embodiment, specifically, left-handed worm gear unit 3 is equipped with left-hand worm transmission gear
31 and left-handed output drive gear 32；Left-hand worm transmission gear 31 is engaged with the transmission of left-hand worm 21；Left-handed output driving cog
Wheel 32 is engaged with the transmission of output gear 5.
Referring to Figure 1 and Fig. 2, in the present embodiment, specifically, dextrorotation worm gear unit 4 is equipped with right-hand worm transmission gear
41 and dextrorotation output drive gear 42；Right-hand worm transmission gear 41 is engaged with the transmission of right-hand worm 22；Dextrorotation exports driving cog
Wheel 42 is engaged with the transmission of output gear 5.When being rotate in same direction due to left-hand worm transmission gear 31 and right-hand worm transmission gear 41
Transmission effect to output gear 5 finally realizes the rotation of output gear 5, passes through left-handed worm gear unit 3, dextrorotation worm gear list
The Combination Design of member 4 and output gear 5, realizes the active balance of stress between each component in transmission process, and then improve
The service life of strength weak part, and be conducive to the separation of transmission power, be conducive to equipment noise reduction and reduction part excessively rubs
Wipe and improve the output torque of product.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation be not intended to limit the utility model although the utility model has been disclosed with preferred embodiment as above, it is any ripe
Professional and technical personnel is known, is not being departed within the scope of technical solutions of the utility model, when in the technology using the disclosure above
Hold the equivalent embodiment for being modified or being modified to equivalent variations, but all without departing from technical solutions of the utility model
Hold, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still
It is within the scope of the technical solutions of the present invention.
Claims (4)
1. a kind of double worm gear arrangements of micro-machine gear-box are mounted in cabinet (1), it is characterised in that: including worm screw
(2), left-handed worm gear unit (3), dextrorotation worm gear unit (4) and output gear (5)；
The worm screw (2), left-handed worm gear unit (3), dextrorotation worm gear unit (4) and the output gear (5) are mounted on the case
In body (1)；
The left-handed worm gear unit (3) is located at the side of the worm screw (2), is connected by meshing transmission with the worm screw (2)；It is described
Dextrorotation worm gear unit (4) is located at the other side of the worm screw (2), is connected by meshing transmission with the worm screw (2)；The left-handed snail
Wheel unit (3) and the dextrorotation worm gear unit (4) are realized by the worm screw (2) transmission to be rotate in same direction；
The left-handed worm gear unit (3) is sequentially connected with the output gear (5) simultaneously；The dextrorotation worm gear unit (4) is simultaneously
It is sequentially connected with the output gear (5)；The left-handed worm gear unit (3) and the dextrorotation worm gear unit (4) rotate in same direction band
Move the output gear (5) rotation.
2. a kind of double worm gear arrangements of micro-machine gear-box as described in claim 1, it is characterised in that: be located in gear-box
The first half of the worm screw (2) be left-hand worm (21), the surface of the left-hand worm (21) is left hand thread, the worm screw
(2) latter half of is right-hand worm (22), and the surface of the right-hand worm (22) is right-handed thread.
3. a kind of double worm gear arrangements of micro-machine gear-box as claimed in claim 2, it is characterised in that: the left-handed worm gear
Unit (3) is equipped with left-hand worm transmission gear (31) and left-handed output drive gear (32)；The left-hand worm transmission gear
(31) it is engaged with the left-hand worm (21) transmission；The left-handed output drive gear (32) and the output gear (5) are driven
Engagement.
4. a kind of double worm gear arrangements of micro-machine gear-box as claimed in claim 2, it is characterised in that: the dextrorotation worm gear
Unit (4) is equipped with right-hand worm transmission gear (41) and dextrorotation output drive gear (42)；The right-hand worm transmission gear
(41) it is engaged with the right-hand worm (22) transmission；The dextrorotation output drive gear (42) and the output gear (5) are driven
Engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821984556.9U CN209262161U (en) | 2018-11-28 | 2018-11-28 | A kind of double worm gear arrangements of micro-machine gear-box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821984556.9U CN209262161U (en) | 2018-11-28 | 2018-11-28 | A kind of double worm gear arrangements of micro-machine gear-box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209262161U true CN209262161U (en) | 2019-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821984556.9U Active CN209262161U (en) | 2018-11-28 | 2018-11-28 | A kind of double worm gear arrangements of micro-machine gear-box |
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| CN (1) | CN209262161U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388418A (en) * | 2019-08-23 | 2019-10-29 | 善思科技(宁波)有限公司 | A kind of jacking system drive mechanism |
-
2018
- 2018-11-28 CN CN201821984556.9U patent/CN209262161U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388418A (en) * | 2019-08-23 | 2019-10-29 | 善思科技(宁波)有限公司 | A kind of jacking system drive mechanism |
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