CN207864537U - Transmission component and electric drive - Google Patents
Transmission component and electric drive Download PDFInfo
- Publication number
- CN207864537U CN207864537U CN201721204329.5U CN201721204329U CN207864537U CN 207864537 U CN207864537 U CN 207864537U CN 201721204329 U CN201721204329 U CN 201721204329U CN 207864537 U CN207864537 U CN 207864537U
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- transmission component
- shell
- chamber
- planetary gear
- opening
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Abstract
The utility model is related to a kind of transmission component and electric drive, which includes：First shell carries outlet opening；Second shell surrounds chamber jointly with first shell, wherein the bottom of second shell is provided with the first opening；Gear ring is located in chamber and is positioned as extending along first axle against the inner wall of chamber；Planetary gear is located at the inner wall in chamber and around gear ring and is adapted to, wherein multiple pins from planetary upper surface protrusion, and it is planetary be provided centrally with the second opening, and wherein, the planetary number of teeth is less than the number of teeth of gear ring；Output driving part is located in chamber and includes multiple holes compatible with planetary multiple pins；And eccentric pipe, setting are connect in the second opening and with planetary gear, wherein the through-hole extended along second axis are provided on eccentric pipe, second axis is parallelly spaced apart with first axle with eccentric distance.
Description
Technical field
The utility model is related to power to transmit field, and more specifically, be related to a kind of transmission component, and being used for will be electric
The output of driver is slowed down.The utility model further relates to a kind of electric drive including above-mentioned transmission component.
Background technology
It is equipped with electric drive it is known that being set up on vehicle, and electric drive is configured to output torque or torque to use
In specific purpose, including but not limited to adjust chair angle, lifting sunshade plate, drive wiper, lifting window glass etc..By
It is typically limited in the installation space on vehicle, therefore generally use micro- electric drive drives on vehicle.Conventional micro- electric drive
Device can generate larger torque output, while produce larger rotating speed.Therefore, existing in this field reduces micro- electric drive
Rotating speed and the constant demand for substantially maintaining torque output.
Some technical solutions of the prior art have used certain deceleration mechanism to reduce the rotating speed of micro- electric drive.Example
Such as, a kind of common deceleration mechanism is endless screw-worm gear deceleration mechanism.The deceleration mechanism by the cooperation of worm gear and worm structure come
Reduce output rotating speed.
However, existing deceleration mechanism still there are problems that.For example, endless screw-worm gear deceleration mechanism is less efficient,
And more torque is had lost in power transmittance process.Worm gear-endless screw deceleration mechanism needs high installation accuracy, therefore inconvenient
In production and assembling.In addition, the shaft of the worm gear in worm gear-endless screw deceleration mechanism is usually orthogonal with the shaft of worm screw
, it is therefore desirable to larger installation space.
It is therefore desired to a kind of new transmission component and the electric drive comprising the transmission component are provided, it can
It avoids and overcomes the problems of the prior art.
Utility model content
One of the utility model is designed to provide a kind of transmission component, can be carried while reducing space hold
High transmission efficiency.Another of the utility model is designed to provide the electric drive for including above-mentioned transmission component.
The purpose of this utility model is achieved by the following technical solution：
A kind of transmission component comprising：
First shell carries outlet opening；
Second shell surrounds chamber jointly with first shell, wherein the bottom of second shell is provided with the first opening；
Gear ring is located in chamber and is positioned as extending along first axle against the inner wall of chamber；
Planetary gear is located at the inner wall in chamber and around gear ring and is adapted to, wherein multiple pins are from planetary upper table
Face protrusion, and it is planetary be provided centrally with the second opening, and wherein, the planetary number of teeth is less than the tooth of gear ring
Number；
Output driving part is located in chamber and includes multiple holes compatible with planetary multiple pins；And
Eccentric pipe, setting are connect in the second opening and with planetary gear, wherein are provided with along second on eccentric pipe
The through-hole that axis extends, second axis are parallelly spaced apart with first axle with eccentric distance.
Optionally, transmission component further includes one or more bolts.
Optionally, eccentric pipe is fitted to by bearing in the second opening.
Optionally, bearing is ball bearing.
Optionally, teeth portion is provided on the output end of output driving part, teeth portion is arranged in outlet opening.
Optionally, teeth portion carries undulating cross-section.
Optionally, it is set between the first opening, first shell and second shell, between first shell and output driving part
It is equipped with O-ring.
Optionally, it is additionally provided with gasket between first shell and output driving part.
Optionally, the number of teeth of planetary gear ratio gear ring is one to four few.
A kind of electric drive comprising above-mentioned transmission component.
The transmission component and electric drive of the utility model have many advantages, such as simple in structure, easy for installation, reliable.This
The transmission component of utility model can expeditiously transmit torque by planetary gear mechanism, while reduce rotating speed, effectively
Improve the working efficiency and reliability of electric drive.
Description of the drawings
The utility model is explained in further detail below with reference to attached drawing and preferred embodiment, but this field
Technical staff it will be appreciated that, these attached drawings are drawn for the purpose for explaining preferred embodiment, and are not therefore answered
When as the limitation to the scope of the utility model.In addition, unless otherwise indicated, attached drawing is only intended to described by conceptually expression
The composition of object is constructed and may be shown comprising expansiveness, and attached drawing is also not necessarily drawn to scale.
Fig. 1 is the electric drive of the utility model and the side cross-sectional view of transmission component.
Fig. 2 is the top view of the planetary gear mechanism of embodiment illustrated in fig. 1.
Fig. 3 is the top view of the output driving part of embodiment illustrated in fig. 1.
Specific implementation mode
The preferred embodiment of the utility model is described in detail below with reference to attached drawing.High-ranking military officer those of skill in the art
Can, these descriptions are only descriptive, illustrative, and should not be interpreted as limiting the protection model of the utility model
It encloses.
Firstly, it is necessary to explanation, the top that is previously mentioned herein, bottom, upward, towards inferior orientation term be opposite
Direction in each attached drawing defines, they are opposite concepts, and therefore can be at it different positions
It sets and changes with different practical states.So should not restricted term be interpreted as these or other orientation term.
In addition, it should be further noted that for described in the embodiments herein or implicit arbitrary single technical characteristic, or
The arbitrary single technical characteristic for being shown in the accompanying drawings or implying still is able to continue between these technical characteristics (or its equivalent)
It is combined, to obtain the other embodiment of the utility model not referred to directly herein.
It should be noted that in different drawings, identical reference label indicates same or about component.
Fig. 1 is the electric drive of the utility model and the side cross-sectional view of transmission component.Wherein, transmission component 100
Including：
First shell 110 carries outlet opening 112；
Second shell 120 surrounds chamber 121, wherein the bottom of second shell 120 is provided with jointly with first shell 110
First opening 122；
Gear ring 130 is located in chamber 121 and is positioned as extending along first axle A-A against the inner wall of chamber 121；
Planetary gear 140 is located at the inner wall in chamber 121 and around gear ring 130 and is adapted to, wherein multiple pins 141 are from row
The upper surface protrusion of star gear 140, and planetary gear 140 is provided centrally with the second opening 142, and wherein, planet tooth
The number of teeth of wheel 140 is less than the number of teeth of gear ring 130；
Output driving part 150 is located in chamber 121 and includes compatible with multiple pins 141 of planetary gear 140 more
A hole 151；And
Eccentric pipe 160, setting are connect in the second opening 142 and with planetary gear 140, wherein on eccentric pipe 160
It is provided with the through-hole 161 extended along second axis A'-A', second axis A'-A' is parallel with eccentric distance e with first axle A-A
Ground is spaced apart.
In assembling, transmission component 100 further includes one or more bolts 300, and one or more bolts 300 are by transmission group
Part 100 is fitted on the mounting portion 210 of electric drive 200, and the output end 261 of electric drive 200 is made to pass through the first opening
It 122 and is fitted in through-hole 161 so that the output end 261 of electric drive 200 is to be placed along first axle A-A.
Optionally, it is provided with bearing 170 between the opening of eccentric pipe 160 and second 142.
Optionally, bearing 170 is ball bearing.
Optionally, O-ring 110a is provided between first shell 110 and second shell 120.
Optionally, it is provided with O-ring 120a at the first opening 122.
Optionally, gasket 180 and O-ring 180a are provided between first shell 110 and output driving part 150.
Above-mentioned each O-ring 120a, 150a and 180a play the role of sealing so that transmission component 100 can be in humidity
Environment in run.
Optionally, it is provided with teeth portion 152 on the output end of output driving part 150, to be connect with other transmission parts.
In use, the output end 261 of electric drive 200 drives planetary gear 140 to rotate by eccentric pipe 160, planet
The teeth portion on 140 periphery of gear matches with the teeth portion on 130 inner wall of gear ring so that planetary gear 140 along gear ring 130 inside
Rotation.Therefore, each pin 141 on planetary gear 140 drives output driving part 150 to rotate by each hole 151.
The transmission ratio of transmission component 100 depends on the tooth number Z 13 of the tooth number Z 14 and gear ring 130 of planetary gear 140, wherein
Transmission ratio i is calculated according to following formula:
i = Z14/(Z13-Z14)。
Optionally, the tooth number Z 13 of planetary gear 140 than the tooth number Z 14 few one of gear ring 130 to four.
In one embodiment of the utility model, the tooth number Z 14 few one of the tooth number Z 13 of planetary gear 140 than gear ring 130
A, then transmission ratio i is exactly the tooth number Z 14 of planetary gear 140.
Fig. 2 is the top view of the planetary gear mechanism of embodiment illustrated in fig. 1, and Fig. 3 is the output of embodiment illustrated in fig. 1
The top view of actuator.Wherein, pin 141 is configured with circular cross section and carries first diameter d141, and hole 151 is also configured as
With circular cross section and carry second diameter d151, the size relationship between first diameter d141 and second diameter d151
For：d151 = d141 + 2e.
Optionally, transmission component 100 is fitted to by three bolts 300 on the mounting portion 210 of electric drive 200.
Optionally, teeth portion 152 carries undulating cross-section.
By using the transmission component 100 of the utility model, the rotation of electric drive 200 can be exported by deceleration
It exports in a same direction afterwards.By using planetary gear reducing mechanism, the transmission component 100 of the utility model can be maximum
It improves to limit transmission efficiency and reduces torque loss.In addition, the transmission component 100 of the utility model also have it is small, again
Measure the advantages that light, easy for installation.
According to above disclosure, those skilled in the art are easy to get the transmission component 100 including the utility model
Electric drive.
The utility model is disclosed with reference to the accompanying drawings in this specification, and those of skill in the art is also enable to implement this
Utility model, including manufacture and using any device or system, select suitable material and using the method for any combination.This
The range of utility model is limited by claimed technical solution, and includes other realities that those of skill in the art expect
Example.As long as other such examples include the structural detail or such for being not different from claimed technical solution literal language
Other examples include not have the equivalent structural elements of essential distinction with the literal language of claimed technical solution, then such
Other examples should be considered to be in the protection domain determined by the claimed technical solution of the utility model.
Claims (10)
1. a kind of transmission component (100), which is characterized in that including：
First shell (110) carries outlet opening (112)；
Second shell (120) surrounds chamber (121), wherein the second shell (120) jointly with the first shell (110)
Bottom be provided with the first opening (122)；
Gear ring (130) is located in the chamber (121) and is positioned as against the inner wall of the chamber (121) along first axle (A-
A) extend；
Planetary gear (140) is located at the inner wall in the chamber (121) and around the gear ring (130) and is adapted to, wherein is more
A pin (141) is from the upper surface of the planetary gear (140) protrusion, and the planetary gear (140) is provided centrally with the
Two openings (142), and wherein, the number of teeth of the planetary gear (140) is less than the number of teeth of the gear ring (130)；
Output driving part (150) is located in the chamber (121) and includes the multiple with the planetary gear (140)
Sell (141) compatible multiple holes (151)；And
Eccentric pipe (160), setting are connect in second opening (142) and with the planetary gear (140), wherein
Be provided with the through-hole (161) extended along second axis (A'-A') on the eccentric pipe (160), the second axis (A'-A') with
The first axle (A-A) is parallelly spaced apart with eccentric distance (e).
2. transmission component according to claim 1, which is characterized in that the transmission component (100) further includes one or more
A bolt (300).
3. transmission component according to claim 1, which is characterized in that the eccentric pipe (160) is fitted by bearing (170)
It is fitted in second opening (142).
4. transmission component according to claim 3, which is characterized in that the bearing (170) is ball bearing.
5. transmission component according to claim 1, which is characterized in that set on the output end of the output driving part (150)
It is equipped with teeth portion (152), the teeth portion (152) is arranged in outlet opening (112).
6. transmission component according to claim 5, which is characterized in that the teeth portion (152) carries undulating cross-section.
7. according to the transmission component described in any one of claim 1-6, which is characterized in that at first opening (122),
It is set between the first shell (110) and the second shell (120), between first shell (110) and output driving part (150)
It is equipped with O-ring.
8. transmission component according to claim 7, which is characterized in that the first shell (110) and the output driving
Gasket (180) is additionally provided between part (150).
9. according to the transmission component described in any one of claim 1-6, which is characterized in that the tooth of the planetary gear (140)
One to four fewer than the number of teeth of the gear ring (130) of number.
10. a kind of electric drive, which is characterized in that it includes transmission group according to any one of the preceding claims
Part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721204329.5U CN207864537U (en) | 2017-09-20 | 2017-09-20 | Transmission component and electric drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721204329.5U CN207864537U (en) | 2017-09-20 | 2017-09-20 | Transmission component and electric drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207864537U true CN207864537U (en) | 2018-09-14 |
Family
ID=63475252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721204329.5U Active CN207864537U (en) | 2017-09-20 | 2017-09-20 | Transmission component and electric drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207864537U (en) |
-
2017
- 2017-09-20 CN CN201721204329.5U patent/CN207864537U/en active Active
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