CN209239441U - Screwing device - Google Patents
Screwing device Download PDFInfo
- Publication number
- CN209239441U CN209239441U CN201821809937.3U CN201821809937U CN209239441U CN 209239441 U CN209239441 U CN 209239441U CN 201821809937 U CN201821809937 U CN 201821809937U CN 209239441 U CN209239441 U CN 209239441U
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- Prior art keywords
- screwing device
- right angle
- bar portion
- screwing
- angle reductor
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- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 8
- 210000004907 gland Anatomy 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000000979 retarding effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
Abstract
This application discloses a kind of screwing devices.Screwing device includes screwing device and right angle reductor, the screwing device has to screw sleeve and is able to drive the bar portion for screwing sleeve rotation for what is locked and unlocked to fastener, and the power output part of the right angle reductor directly transfers power to the bar portion of the screwing device.Screwing device according to the present utility model can conveniently realize the power transmitting of screwing device.
Description
Technical field
The utility model relates to automotive fields, in particular to a kind of screwing device.
Background technique
In new energy vehicle, the rapidity of the installation fastness of battery pack and replacement battery pack, vehicle are logical in order to balance
It is standing to be equipped with special clamp device.Change in power mode, for realize the fastening of battery and vehicle body with it is locking, it is preferred to use with locking
The fastener of function realizes the fixation of battery and vehicle body (anti-loose structure can refer to CN106740029 A).Screwing tool and fastening
The key position of part needs to contact and generates stress, and tightening/unscrew movement later could smooth progress.Unscrewing band locking functions
Fastener when, screwing tool needs first to jack locking component.If locking component is not opened, begin to unscrew dynamic
Make, will cause the failures such as locking parts damages.
During being unlocked with screwing tool to the fastener with anti-loose structure, screwing tool lifting touches tight
After firmware, the locking component of anti-loose structure can be contacted first by screwing sleeve, and locking component is jacked to not playing anti-loose effect
State, then screwing tool starts to rotate under the action of motor, completes unlock.During locking, also need to screw
After sleeve withstands locking component, screwing tool, which could rotate, to be locked, and after being tightened to prescribed torque, screwing tool band is screwed
Sleeve decline screws sleeve and no longer jacks locking component, and locking component declines under the effect of itself spring to latch, and plays fastening and makees
With.
Fastener for installing battery pack is normally at the bottom of new-energy automobile, arranged in a vertical direction in fastener
In the case of, it is limited by vehicle base space, it is horizontally disposed for driving the power source (such as motor) of screwing tool to generally require,
Enough installation spaces could be reserved to screwing tool in this way.The revolving speed of motor is larger, it is impossible to be used in directly drive screwing tool,
Therefore for example equipped with double standard retarder transmission devices between motor and screwing tool, for reducing revolving speed, promoted torque with
And the rotation of horizontal direction is changed to the rotation of vertical direction.However double standard retarder transmission device longitudinal sizes it is larger and
Transmission system construction is complicated.
So it is necessary to for including these above-mentioned situations existing issue or drawback sufficiently studied, with
Just it is improved.
Utility model content
The utility model proposes a kind of screwing devices, can conveniently realize the power transmitting of screwing device.
According to the screwing device that the utility model proposes on one side, the screwing device includes screwing device and right-angle reduction
Machine, the sleeve that screws that the screwing device has for being locked and being unlocked to fastener turn with the sleeve that screws is able to drive
Dynamic bar portion, and the power output part of the right angle reductor directly transfers power to the bar portion of the screwing device.
According to the screwing device that the utility model proposes on one side, the power output part of the right angle reductor and institute
The bar portion for stating screwing device is fixedly connected or the power output part of the right angle reductor is at least partially formed described screw
The bar portion of device.
According to the screwing device that the utility model proposes on one side, the power input part of the right angle reductor passes through
Shaft coupling is connected to motor.
According to the utility model on one side propose screwing device, the right angle reductor be cycloidal pin speed reducer or
Worm-gear speed reducer.
According to the screwing device that the utility model proposes on one side, the power output part of the right angle reductor and institute
The bar portion shape cooperation for stating screwing device, for transmitting torque to the screwing device.
According to the screwing device that the utility model proposes on one side, the cross section of the outer profile of the bar portion of the screwing device
Shape be polygon.
According to the screwing device that the utility model proposes on one side, the cross section of the outer profile of the bar portion of the screwing device
Shape be circle, the screwing device bar portion outer surface be equipped with spline or keyway.
According to the screwing device that the utility model proposes on one side, sleeve and the right angle are screwed in the screwing device
Elastic component is equipped between the power output part of speed reducer.
According to the screwing device that the utility model proposes on one side, the power input part of the right angle reductor and institute
The bar portion of screwing device is stated into right angle.
According to the screwing device that the utility model proposes on one side, in the bar portion far from the end for screwing sleeve
Portion be equipped with position-limit mechanism, the position-limit mechanism can on the direction of the bar portion longitudinally extended to the screwing device limit with
And release limit.
According to the screwing device that the utility model proposes on one side, the screwing device further includes motor, for driving
The screwing device.
The beneficial effects of the utility model include: that can will be originated from the dynamic of power source by set right angle reductor
Power is slowed down and changes simultaneously the rotation direction of power, and transmission system size is smaller and simple structure.
Detailed description of the invention
It is explained with reference to the disclosure of the utility model.It is to be appreciated that attached drawing is merely illustrative purpose, and simultaneously
It is not intended to be construed as limiting the protection scope of the utility model.In the accompanying drawings, unless otherwise indicated, identical appended drawing reference is used for
Refer to identical component.Wherein:
Fig. 1 schematically illustrates the decomposition of a part of the screwing device proposed according to one embodiment of the utility model
Figure；
Fig. 2 schematically illustrates point of another part of the screwing device proposed according to one embodiment of the utility model
Xie Tu.
Specific embodiment
It is readily appreciated that, technical solution according to the present utility model, in the case where not changing the utility model in essence spirit, this field
Those skilled in the art can propose the various structures mode and implementation that can be replaced mutually.Therefore, implement in detail below
Mode and attached drawing are only the exemplary illustrations to the technical solution of the utility model, and are not to be construed as the complete of the utility model
Portion or be considered as defines or limits technical solutions of the utility model.
It mentions in the present specification or up, down, left, right, before and after, front, the back side, top, the bottom that may mention etc.
Positional terms are defined relative to each construction shown in the drawings, they are opposite concepts, and it is therefore possible to can root
Correspondingly changed according to different location locating for it, different use states.So also should not be by these or others side
Position term is construed to restricted term.
In the following description, various parameters and component are described for the embodiment of different configuration, these specific parameters
Only it is used as example without making limitation to embodiments herein with component.
Embodiment combination Fig. 1 according to the present utility model and Fig. 2 shows wherein can be seen that screwing device 100 includes
Screwing device 1 and right angle reductor 2, the screwing device 100 further include motor 5, for driving the screwing device 1.It is described to screw
Device 1 has to screw sleeve 11 and is able to drive the bar for screwing the rotation of sleeve 11 for what is locked and unlocked to fastener
Portion 12, and the power output part 22 of the right angle reductor 2 directly transfers power to the bar portion of the screwing device 1
12。
" right angle reductor " described herein should be understood to a kind of integrated form mechanism, and the power of the right angle reductor 2 is defeated
Enter the power output part 22(of component 21 and the right angle reductor 2 or the bar portion 12 of the screwing device 1 into right angle), such as
It can will be converted into surrounding the torque of the rotation axis of vertical direction around the torque of the rotation axis of horizontal direction；" right angle reductor "
Not answering restrictive sense at the part of its shell or shell must be in a right angle.
Screwing device 100 according to the present utility model can will be originated from power source by set right angle reductor 2
The dynamic retarding of (motor) and the rotation direction for changing simultaneously power, transmission system size is smaller and simple structure.
Here, " directly " meaning that power is directly delivered to via the power output part 22 of the right angle reductor 2
The bar portion 12 of the screwing device 1, without other intermediate force transmission mechanisms.An example for this is the right angle reductor 2
Power output part 22 be fixedly connected with the bar portion 12 of the screwing device 1；Or another example is, the right angle reductor
2 power output part 22 is at least partially formed the bar portion 12 of the screwing device 1, that is to say, that the right angle reductor 2
Power output part 22 is configured at least part of the bar portion 12 of the screwing device 1.
The power input part 21 of the right angle reductor 2 is connect by shaft coupling 3 with motor 5, and the shaft coupling 3 is passed through
The torque transfer of motor 5 will be originated to the power input part 21 of the right angle reductor 2.
In an embodiment according to the present utility model, the right angle reductor 2 is cycloidal pin speed reducer.It is exemplary
Ground, the cycloidal pin speed reducer include gland, the first Cycloidal Wheel, intermediate crankshaft, planetary bearing, planetary crankshaft, pin wheel housing, second
Cycloidal Wheel, connecting shaft, wheel seat, intermediate eccentric part bearing, intermediate bearing, planet eccentric part bearing, base bearing and needle roller.Described
In cycloidal pin speed reducer, gland and wheel seat are connected by connecting shaft by screw, and pass through base bearing and pin wheel housing coaxial rotating, in
Between crankshaft and gland or wheel seat it is coaxial, as the output shaft of speed reducer, with the first Cycloidal Wheel, the second Cycloidal Wheel, pin wheel housing, needle roller
It constitutes Cycloidal pin-wheel drive structure, intermediate crankshaft and gland and wheel seat to connect by intermediate bearing composition revolute pair, and with first
Revolute pair connection is formed by intermediate eccentric part bearing between Cycloidal Wheel, the second Cycloidal Wheel；The gland and wheel seat inner ring are furnished with
Multiple planetary bearings, it is every a pair of planetary bearing between planetary crankshaft, planetary crankshaft and the first Cycloidal Wheel and the second cycloid are installed
Wheel forms revolute pair with the first Cycloidal Wheel and the second Cycloidal Wheel by eccentric part bearing respectively and connect, and forms more crankshaft power transmission knots
Structure.The power input part 21 of the right angle reductor 2 is gland, during the power output part 22 of the right angle reductor 2 is
Between crankshaft.
In another embodiment according to the present utility model, the right angle reductor 2 is worm-gear speed reducer.Institute
The power input part 21 for stating right angle reductor 2 is worm screw, and the power output part 22 of the right angle reductor 2 is worm gear.It is logical
The transmission cooperation for crossing worm gear and worm screw, realizes the dynamic retarding from power source and changes simultaneously the rotation direction of power.
An embodiment according to the present utility model, the power output part 22 of the right angle reductor 2 and the rotation
12 shape of the bar portion cooperation for twisting device 1, for transmitting torque to the screwing device 1.For example, the bar portion 12 of the screwing device 1
The shape of the cross section of outer profile is polygon；Correspondingly, the Internal periphery of the power output part 22 of the right angle reductor 2
For mutually isostructural polygon.In this way, transmitting of the torque to screwing device 1 can be simply implemented.According to this reality
Shape with novel another embodiment, the cross section of the outer profile of the bar portion 12 of the screwing device 1 is circle, described
The outer surface of the bar portion 12 of screwing device 1 is equipped with spline or keyway.Meanwhile in the power output part 22 of the right angle reductor 2
In keyway is correspondingly set, for transmitting torque to the bar portion 12.
An embodiment according to the present utility model screws sleeve 11 and the right-angle reduction in the screwing device 1
Elastic component 13 is equipped between the power output part 22 of machine 2.Illustratively, described 13 one end of elastic component, which is supported on, described screws set
The lower section of cylinder 11, the other end are supported on the power output part 22 of the right angle reductor 2.The elasticity being arranged in this way
Part 13, can support in the vertical direction it is described screw sleeve 11, the downward displacement of sleeve 11 is screwed described in limitation.In addition, logical
Set elastic component 13 is crossed, different fastener locations is can adapt to and adjusts the position for screwing sleeve 11, while described
Elastic component 13 is applied on certain active force to the fastener in the case where compressing by screwing sleeve 11, to guarantee in institute
State fastener and the firm cooperation screwed between sleeve 11 so that with the screwing device 1 to fastener carry out lock and
The process of unlock reliably carries out.Especially for the fastener with locking functions, to a certain degree by the elastic component 13
Compression, it can be ensured that screw sleeve 11 and be enough to jack the locking component of the fastener, thus guarantee it is right with the screwing device 1
The process that fastener is locked and unlocked is gone on smoothly.The elastic component 13 can cover in the bar portion 12, the bar portion
12 outer profile guides the direction of motion of the elastic component 13.
An embodiment according to the present utility model, in being set far from the end for screwing sleeve 11 for the bar portion 12
Limited position mechanism, the position-limit mechanism can on the direction of the bar portion 12 longitudinally extended to the screwing device 1 limit with
And release limit.Outer profile in the bar portion 12 remains unchanged or gradually becomes on far from the direction for screwing sleeve 11
It is small, facilitate the bar portion 12 to plug from the power output part 22 of the right angle reductor 2.The position-limit mechanism can also band
Finite place piece 14, the locating part 14 can protrude from the bar in the direction longitudinally extended perpendicular to the bar portion 12
It is moved between the position in portion 12 and the position for not protruding from the bar portion 12.In this way, 1 one side of screwing device
It is supported on by the elastic component 13 on the power output part 22 of the right angle reductor 2, on the other hand passes through the limit
Position part 14 limits upward movement, and screwing device 1 is reliably maintained in the direction of bar portion 12 longitudinally extended and is screwed
In device 100.
It should be understood that technical term " battery " used in herein includes but is not limited to for providing for vehicle
Battery, battery pack, battery pack of power etc..Previously noted " vehicle " includes pure electric vehicle, hybrid vehicle etc.
All kinds of new energy vehicles.
The technical scope of the utility model is not limited solely to the content in above description, and those skilled in the art can be
Under the premise of not departing from the utility model technical idea, to above-described embodiment carry out many variations and modifications, and these deformation and
Modification should all be fallen within the protection scope of the present invention.
Claims (11)
1. a kind of screwing device (100), which is characterized in that the screwing device (100) includes screwing device (1) and right angle reductor
(2), the screwing device (1) has screws sleeve (11) and is able to drive the rotation for what is locked and unlocked to fastener
The bar portion (12) of sleeve (11) rotation is twisted, and the power output part (22) of the right angle reductor (2) is directly by power
It is transmitted to the bar portion (12) of the screwing device (1).
2. screwing device (100) according to claim 1, which is characterized in that the power output of the right angle reductor (2)
Component (22) is fixedly connected with the bar portion (12) of the screwing device (1) or the power output part of the right angle reductor (2)
(22) it is at least partially formed the bar portion (12) of the screwing device (1).
3. screwing device (100) according to claim 1, which is characterized in that the power of the right angle reductor (2) inputs
Component (21) is connect by shaft coupling (3) with motor (5).
4. screwing device (100) according to claim 1, which is characterized in that the right angle reductor (2) is that cycloidal pin subtracts
Fast machine or worm-gear speed reducer.
5. screwing device (100) according to claim 1, which is characterized in that the power output of the right angle reductor (2)
Bar portion (12) shape of component (22) and the screwing device (1) cooperates, for transmitting torque to the screwing device (1).
6. screwing device (100) according to claim 5, which is characterized in that outside the bar portion (12) of the screwing device (1)
The shape of the cross section of profile is polygon.
7. screwing device (100) according to claim 1, which is characterized in that outside the bar portion (12) of the screwing device (1)
The shape of the cross section of profile is circle, is equipped with spline or keyway in the outer surface of the bar portion (12) of the screwing device (1).
8. screwing device (100) according to claim 1, which is characterized in that screw sleeve in the screwing device (1)
(11) elastic component (13) are equipped between the power output part (22) of the right angle reductor (2).
9. screwing device (100) according to claim 1, which is characterized in that the power of the right angle reductor (2) inputs
The bar portion (12) of component (21) and the screwing device (1) is at right angle.
10. screwing device (100) according to claim 1, which is characterized in that in the bar portion (12) far from the rotation
The end for twisting sleeve (11) is equipped with position-limit mechanism, and the position-limit mechanism can be on the direction of the bar portion (12) longitudinally extended
Limit is limited and released to the screwing device (1).
11. screwing device (100) according to claim 1, which is characterized in that the screwing device (100) further includes electricity
Machine (5), for driving the screwing device (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821809937.3U CN209239441U (en) | 2018-11-05 | 2018-11-05 | Screwing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821809937.3U CN209239441U (en) | 2018-11-05 | 2018-11-05 | Screwing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209239441U true CN209239441U (en) | 2019-08-13 |
Family
ID=67527062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821809937.3U Active CN209239441U (en) | 2018-11-05 | 2018-11-05 | Screwing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209239441U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109500577A (en) * | 2018-11-05 | 2019-03-22 | 蔚来汽车有限公司 | Screwing device |
-
2018
- 2018-11-05 CN CN201821809937.3U patent/CN209239441U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109500577A (en) * | 2018-11-05 | 2019-03-22 | 蔚来汽车有限公司 | Screwing device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200812 Address after: Susong Road West and Shenzhen Road North, Hefei Economic and Technological Development Zone, Anhui Province Patentee after: Weilai (Anhui) Holding Co., Ltd Address before: 30 Floor of Yihe Building, No. 1 Kangle Plaza, Central, Hong Kong, China Patentee before: NIO NEXTEV Ltd. |