CN208734813U - A kind of speed reduction gear box group of electric bracket - Google Patents
A kind of speed reduction gear box group of electric bracket Download PDFInfo
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- CN208734813U CN208734813U CN201821501750.7U CN201821501750U CN208734813U CN 208734813 U CN208734813 U CN 208734813U CN 201821501750 U CN201821501750 U CN 201821501750U CN 208734813 U CN208734813 U CN 208734813U
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- gear
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- sliding slot
- speed reduction
- box group
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Abstract
The utility model discloses a kind of speed reduction gear box groups of electric bracket, are related to electric bracket technical field.The utility model includes first gear and second gear, second gear is for driving first gear to rotate, one end of the first gear is equipped with shaft, the middle part of the second gear is equipped with shaft hole, the shaft is inserted in shaft hole, the periphery of the shaft is equipped with the sliding block of protrusion, the inner wall of the shaft hole is equipped with recessed sliding slot, the both ends of sliding slot are respectively provided with limit end face, the sliding block is mutually slidably matched with sliding slot, when second gear rotates in the forward direction or reversely rotates, sliding slot is and then rotated in the forward direction or is reversely rotated, when sliding block is supported in the limit end face of sliding slot, push shaft rotation, and then drive first gear rotation.The utility model is avoided that electric bracket clamping occurs and inoperable problem on startup.
Description
Technical field
The utility model relates to electric bracket technical field, in particular to the speed reduction gear box group of a kind of electric bracket.
Background technique
Currently, the functions such as communication, navigation, the multimedia of mobile devices such as mobile devices mobile phone such as mobile phone is improved day by day,
Have become indispensable electronic product in for people's lives.Especially mobile phone, due to safety concerns, when user is on the run
When needing using mobile phone, mobile phone how is fixed, just becomes and has to solve the problems, such as.
The device of fixed mobile phone has manual bracket and two kinds of electric bracket, and electric bracket has good convenience, at present
The device of the fixed mobile phone of mainstream is electric bracket.Electric bracket includes motor, speed reduction gear box group and bracket clamp arm, structure ginseng
According to Chinese patent 201720281670.4.Electric bracket drives the work of speed reduction gear box group by motor, then drives bracket clamp arm
Clamping of the clamp or release to mobile devices such as mobile phones.But due to the driving side between speed reduction gear box group and bracket clamp arm
The phenomenon that formula is multi-stage gear driving, is easy to happen clamping between speed reduction gear box group and bracket clamp arm, at the same time, due to electricity
Machine is smaller in the rotary driving force of starting moment, it is difficult to drive the bracket clamp arm of clamping to work, electric bracket is caused often cannot
The mobile devices such as mobile phone are unclamped in clamping in time.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of electric bracket according to above-mentioned the deficiencies in the prior art
Speed reduction gear box group, the speed reduction gear box group are avoided that electric bracket clamping occurs and inoperable problem on startup.
In order to solve the above technical problems, the technical solution of the utility model is: a kind of speed reduction gear box group of electric bracket,
Including first gear and second gear, for driving first gear to rotate, one end of the first gear is equipped with to be turned second gear
The middle part of axis, the second gear is equipped with shaft hole, and the shaft is inserted in shaft hole, and the periphery of the shaft is equipped with protrusion
Sliding block, the inner wall of the shaft hole is equipped with recessed sliding slot, and the both ends of sliding slot are respectively provided with limit end face, the sliding block and cunning
Slot is mutually slidably matched, and when second gear rotates in the forward direction or reversely rotates, sliding slot is and then rotated in the forward direction or reversely rotated, until
When sliding block is supported in the limit end face of sliding slot, shaft rotation is pushed, and then drives first gear rotation.
It is further described as to the utility model:
Preferably, the sliding block in the shaft is fan ring slider, and the sliding slot of the shaft hole inner wall is fan annular groove,
The central angle difference that the central angle of the fan annular groove subtracts fan ring slider is 1 degree~60 degree.The quantity of the sliding block is
Two, two mutual axial symmetry of sliding block；The quantity of the sliding slot is two, two mutual axial symmetry of sliding slot.
Preferably, the speed reduction gear box group further includes third gear, the 4th gear, the 5th gear, the 6th gear, the 7th
Gear and motor；The third gear is meshed with the second gear, for driving second gear to rotate；The third gear is fixed
In the middle part of the 4th gear, and as the 4th gear rotates；5th gear is meshed with the 4th gear, for driving the 4th
Gear rotation；5th gear is fixed on the middle part of the 6th gear, and as the 6th gear rotates；7th gear and
Six gears are meshed, for driving the rotation of the 6th gear；The output end of the motor connects the 7th gear, and drives the 7th
Gear rotation.
Preferably, the speed reduction gear box group further includes the front cover body and rear cover body that mutual lid closes, the first gear, the
Two gears, third gear, the 4th gear, the 5th gear, the 6th gear, the 7th gear and motor be respectively arranged in front cover body and after
Among lid.The rear cover body is equipped with the first shaft, the second shaft and third shaft；The middle part of the first gear is equipped with the
One axis hole, first shaft are arranged in first shaft hole, and first gear is enable to rotate by axle center of the first shaft；The third
The middle part of gear and the 4th gear is equipped with the second axis hole, and second shaft is arranged in the second axis hole, makes third gear and the
Four gears can be rotated by axle center of the second shaft；The middle part of 5th gear and the 6th gear is equipped with third axis hole, and described the
Three shafts are arranged in third axis hole, and the 5th gear and the 6th gear is enable to rotate by axle center of third shaft.
The beneficial effects of the utility model are: the shaft periphery of first gear is equipped with the sliding block of protrusion, first gear turns
Shaft hole inner wall is equipped with recessed sliding slot, and the both ends of sliding slot are respectively provided with limit end face, and the sliding block is mutually slidably matched with sliding slot,
When second gear rotates in the forward direction or reversely rotates, sliding slot is and then rotated in the forward direction or is reversely rotated, until the limit end face of sliding slot
When supporting sliding block, shaft rotation is pushed, and then drives first gear rotation.It can be seen that in electric motor starting, second gear
Sliding slot limit end face can not touch the sliding block of first gear, prevent second gear from driving first gear to rotate, at this time the
One gear remains static, and the bracket clamp arm of electric bracket cannot be driven to work；And after electric motor starting certain time, the
The sliding slot limit end face of two gears touches the sliding block of first gear, so that second gear is driven first gear rotation, drives electronic
The bracket clamp arm of bracket works.After start-up due to motor, there is biggish rotary driving force, even if thus there is support clamp
The problem of arm clamping, motor also can driving arm clamp arm overcome clamping resistance to clamp or unclamp the mobile devices such as mobile phone in time.This
The delay and running structure that utility model is matched by the way that sliding slot is arranged in speed reduction gear box group with sliding block, avoids electric bracket
There is clamping and inoperable problem on startup.
Detailed description of the invention
Fig. 1 is the assembling assumption diagram of first gear and second gear.
Fig. 2 is the dispersed structure figure of first gear and second gear.
Fig. 3 is the overall structure perspective view of the utility model.
Fig. 4 is one of the dispersed structure figure of the utility model.
Fig. 5 is the two of the dispersed structure figure of the utility model.
In figure: 1. first gears；11. shaft；12. sliding block/fan ring slider；13. first shaft hole；2. second gear；21.
Shaft hole；22. sliding slot/fan annular groove；23. limiting end face；3. third gear；31. the second axis hole；4. the 4th gear；5. the
Five gears；51. third axis hole；6. the 6th gear；7. the 7th gear；8. motor；9. front cover body；10. rear cover body；101. first axle
Bar；102. the second shaft；103. third shaft.
Specific embodiment
The structural principle of the utility model and working principle are described in further detail with reference to the accompanying drawing.
As shown in fig. 1~fig. 5, the speed reduction gear box group of a kind of electric bracket of the utility model, including first gear 1 and
Two gears 2, for second gear 2 for driving first gear 1 to rotate, one end of the first gear 1 is equipped with shaft 11, and described second
The middle part of gear 2 is equipped with shaft hole 21, and the shaft 11 is inserted in shaft hole 21, and the periphery of the shaft 11 is equipped with protrusion
Sliding block 12, the inner wall of the shaft hole 21 are equipped with recessed sliding slot 22, and the both ends of sliding slot 22 are respectively provided with limit end face 23, described
Sliding block 12 is mutually slidably matched with sliding slot 22, and when second gear 2 is rotated in the forward direction or reversely rotated, sliding slot 22 is and then rotated in the forward direction
Or reversely rotate, when sliding block 12 is supported in the limit end face 23 of sliding slot 22, shaft 11 is pushed to rotate, and then drive the first tooth
1 rotation of wheel.For the utility model in electric motor starting, the sliding slot limit end face of second gear can not touch the sliding block of first gear,
Prevent second gear from driving first gear to rotate, first gear at this time remains static, and cannot drive electric bracket
The work of bracket clamp arm；And after electric motor starting certain time (such as 0.1 second), the sliding slot limit end face of second gear touches
The sliding block of first gear makes second gear drive first gear rotation, the bracket clamp arm of electric bracket is driven to work.Due to motor
After start-up, have biggish rotary driving force, even if thus there is the problem of bracket clamp arm clamping, motor can also drive branch
Frame clamp arm overcomes clamping resistance to clamp or unclamp the mobile devices such as mobile phone in time.
As depicted in figs. 1 and 2, the sliding block 12 in the shaft 11 is fan ring slider 12,21 inner wall of shaft hole
Sliding slot 22 is fan annular groove 22, and the central angle difference that the central angle of the fan annular groove 22 subtracts fan ring slider 12 is 1
~60 degree, preferably 3 degree~20 degree of degree.The quantity of the sliding block 12 is two, two mutual axial symmetry of sliding block 12；The sliding slot
22 quantity is two, two mutual axial symmetry of sliding slot 22.The structure matched using fan ring slider and fan annular groove, energy
Preferably it is conducive to sliding；Using axisymmetric structure, uniform force application can be made, started more smooth strong.
As shown in Fig. 3, Fig. 4 and Fig. 5, the speed reduction gear box group further includes third gear 3, the 4th gear 4, the 5th gear
5, the 6th gear 6, the 7th gear 7 and motor 8；The third gear 3 is meshed with second gear 2, for driving second gear 2
Rotation；The third gear 3 is fixed on the middle part of the 4th gear 4, and as the 4th gear 4 rotates；5th gear 5 and
Four gears 4 are meshed, for driving the rotation of the 4th gear 4；5th gear 5 is fixed on the middle part of the 6th gear 6, and with
The rotation of 6th gear 6；7th gear 7 is meshed with the 6th gear 6, for driving the rotation of the 6th gear 6；The motor 8
Output end connect the 7th gear 7, and drive the rotation of the 7th gear 7.
As shown in Fig. 3, Fig. 4 and Fig. 5, the speed reduction gear box group further includes the front cover body 9 and rear cover body 10 that mutual lid closes,
The first gear 1, second gear 2, third gear 3, the 4th gear 4, the 5th gear 5, the 6th gear 6, the 7th gear 7 and electricity
Machine 8 is respectively arranged among front cover body 9 and rear cover body 10.
As shown in Fig. 3, Fig. 4 and Fig. 5, the rear cover body 10 is equipped with the first shaft 101, the second shaft 102 and third axis
Bar 103；The middle part of the first gear 1 is equipped with first shaft hole 13, and first shaft 101 is arranged in first shaft hole 13, makes
First gear 1 can be axle center rotation with the first shaft 101；The middle part of the third gear 3 and the 4th gear 4 is equipped with the second axis hole
31, second shaft 102 is arranged in the second axis hole 31, enables third gear 3 and the 4th gear 4 be with the second shaft 102
Axle center rotation；The middle part of 5th gear 5 and the 6th gear 6 is equipped with third axis hole 51, and the third shaft 103 is arranged in the
In Triaxial hole 51, enable the 5th gear 5 and the 6th gear 6 with third shaft 103 for axle center rotation.
Above descriptions are merely preferred embodiments of the utility model, it is all according to the technical solution of the utility model to
On embodiment made by any subtle modifications, equivalent variations and modifications, belong to the range of technical solutions of the utility model
It is interior.
Claims (7)
1. a kind of speed reduction gear box group of electric bracket, including first gear and second gear, second gear is for driving first
Gear rotation, it is characterised in that: one end of the first gear is equipped with shaft, and the middle part of the second gear is equipped with shaft hole,
The shaft is inserted in shaft hole, and the periphery of the shaft is equipped with the sliding block of protrusion, and the inner wall of the shaft hole is equipped with recessed
Sliding slot, the both ends of sliding slot are respectively provided with limit end face, and the sliding block is mutually slidably matched with sliding slot, in the rotation of second gear forward direction
When turning or reversely rotating, sliding slot is and then rotated in the forward direction or is reversely rotated, and when sliding block is supported in the limit end face of sliding slot, is pushed
Shaft rotation, and then drive first gear rotation.
2. the speed reduction gear box group of electric bracket according to claim 1, it is characterised in that: the sliding block in the shaft is fan
Ring slider, the sliding slot of the shaft hole inner wall are fan annular groove, and it is sliding that the central angle of the fan annular groove subtracts fan annular
The central angle difference of block is 1 degree~60 degree.
3. the speed reduction gear box group of electric bracket according to claim 2, it is characterised in that: the center of circle of the fan annular groove
The central angle difference that angle subtracts fan ring slider is 3 degree~20 degree.
4. the speed reduction gear box group of electric bracket according to claim 2, it is characterised in that: the quantity of the sliding block is two
It is a, two mutual axial symmetry of sliding block；The quantity of the sliding slot is two, two mutual axial symmetry of sliding slot.
5. the speed reduction gear box group of electric bracket according to claim 1, it is characterised in that: the speed reduction gear box group is also wrapped
Include third gear, the 4th gear, the 5th gear, the 6th gear, the 7th gear and motor；The third gear and second gear phase
Engagement, for driving second gear to rotate；The third gear is fixed on the middle part of the 4th gear, and as the 4th gear revolves
Turn；5th gear is meshed with the 4th gear, for driving the rotation of the 4th gear；5th gear is fixed on the 6th tooth
The middle part of wheel, and as the 6th gear rotates；7th gear is meshed with the 6th gear, for driving the rotation of the 6th gear
Turn；The output end of the motor connects the 7th gear, and drives the rotation of the 7th gear.
6. the speed reduction gear box group of electric bracket according to claim 5, it is characterised in that: the speed reduction gear box group is also wrapped
Include mutually lid close front cover body and rear cover body, the first gear, second gear, third gear, the 4th gear, the 5th gear,
6th gear, the 7th gear and motor are respectively arranged among front cover body and rear cover body.
7. the speed reduction gear box group of electric bracket according to claim 6, it is characterised in that: the rear cover body is equipped with first
Shaft, the second shaft and third shaft；The middle part of the first gear is equipped with first shaft hole, and first shaft is arranged in first
In axis hole, first gear is enable to rotate by axle center of the first shaft；The middle part of the third gear and the 4th gear is equipped with second
Axis hole, second shaft are arranged in the second axis hole, and third gear and the 4th gear is enable to rotate by axle center of the second shaft；
The middle part of 5th gear and the 6th gear is equipped with third axis hole, and the third shaft is arranged in third axis hole, makes the 5th
Gear and the 6th gear can be rotated by axle center of third shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821501750.7U CN208734813U (en) | 2018-09-14 | 2018-09-14 | A kind of speed reduction gear box group of electric bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821501750.7U CN208734813U (en) | 2018-09-14 | 2018-09-14 | A kind of speed reduction gear box group of electric bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208734813U true CN208734813U (en) | 2019-04-12 |
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ID=66034577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821501750.7U Active CN208734813U (en) | 2018-09-14 | 2018-09-14 | A kind of speed reduction gear box group of electric bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208734813U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021253556A1 (en) * | 2020-06-15 | 2021-12-23 | 东莞市谦禾电子科技有限公司 | Multi-motor drive structure and massager |
-
2018
- 2018-09-14 CN CN201821501750.7U patent/CN208734813U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021253556A1 (en) * | 2020-06-15 | 2021-12-23 | 东莞市谦禾电子科技有限公司 | Multi-motor drive structure and massager |
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| GR01 | Patent grant | ||
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| CP02 | Change in the address of a patent holder |
Address after: 518000 201, workshop 1, baosanhe ceramic factory, building a, No. 13, Kukeng tongfuyu Industrial Zone, Kukeng community, Guanlan street, Longhua District, Shenzhen, Guangdong Province Patentee after: SHENZHEN SHIDI'AN ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: Unit 301, unit 1, No.3, shunv Road, Chuling old village, dashuikeng community, Fucheng street, Longhua District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN SHIDI'AN ELECTRONIC TECHNOLOGY Co.,Ltd. |