CN208951285U - A kind of reduction gearbox configured with halting mechanism - Google Patents
A kind of reduction gearbox configured with halting mechanism Download PDFInfo
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- CN208951285U CN208951285U CN201821495306.9U CN201821495306U CN208951285U CN 208951285 U CN208951285 U CN 208951285U CN 201821495306 U CN201821495306 U CN 201821495306U CN 208951285 U CN208951285 U CN 208951285U
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- briquetting
- gear
- park pawl
- pawl
- shaft
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Abstract
The utility model provides a kind of reduction gearbox configured with halting mechanism, including shell, input gear and output gear, parking ratchet wheel is set on output gear shaft, parking ratchet wheel side is provided with park pawl, the rotation of park pawl end is connected with pawl shaft and is provided with return spring, and park pawl and parking ratchet wheel is made to keep discrete state；Manipulation component is provided on the outside of park pawl, including controlling shaft, control shaft end is set with the first briquetting and the second briquetting, first briquetting and control shaft rotation connect, second briquetting and control shaft are cooperatively connected, and the upper end of the first briquetting and the second briquetting is fixedly connected, and the second briquetting leading flank is provided with block, block is against the lower end of the first briquetting, and the first briquetting outer end is contacted with the locking end lateral surface of park pawl.Reduction gearbox provided by the utility model configured with halting mechanism, halting mechanism structure is simple, at low cost, high reliablity, occupies little space, and is conducive to the size for reducing reduction gearbox.
Description
Technical field
The configuration that the utility model relates to a kind of reduction gearboxes more particularly to a kind of structure is simple, at low cost, occupy little space
There is the reduction gearbox of halting mechanism.
Background technique
Reduction gearbox is also referred to as retarder, is one kind by being enclosed in the intracorporal gear drive of rigid crust, worm-drive, gear-
Individual components composed by worm-drive, the speed reduction gearing being commonly used between driving link and working machine.In reduction gearbox usually
It is provided with halting mechanism, also referred to as parking locking mechanism, according to driving method difference, parking locking mechanism has purely mechanic drive-type
Lockable mechanism and electric gas/liquid pressure drive-type parking locking mechanism；According to locking element difference, parking locking mechanism can be divided into taper locks
Only class lockable mechanism and roller class lockable mechanism.Wherein, electric gas/liquid pressure drive-type parking locking mechanism infrastructure cost is higher, and needs
Bowden wire is installed；It is complex in cone-lock class lockable mechanism structure.
Utility model content
The technical problems to be solved in the utility model is to overcome existing defect, provides a kind of subtracting configured with halting mechanism
Fast case, halting mechanism structure is simple, at low cost, high reliablity.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
A kind of reduction gearbox configured with halting mechanism, including shell, input gear and output gear, the output gear
Parking ratchet wheel is set on output gear shaft, the side of the parking ratchet wheel is provided with matched park pawl, the parking spine
The end rotation of pawl is connected with pawl shaft, and the pawl shaft is fixedly mounted on the housing, and the end of the park pawl is set
It is equipped with return spring, one end of the return spring is fixedly connected with the shell, and the other end of the return spring is against described
In park pawl, the park pawl and parking ratchet wheel is made to keep discrete state；Manipulation is provided on the outside of the park pawl
Component, the manipulation component include control shaft, and the front end of the control shaft is connected with parking-driving mechanism, and the control turns
The tip of the axis is successively set with the first briquetting and the second briquetting disposed in parallel, and first briquetting and the control shaft rotate
Connection, second briquetting are cooperatively connected with the control shaft by non-cylindrical hole axle, first briquetting and the second pressure
The upper end of block is provided with to be relatively fixed and bar and is fixedly connected by spring, and the leading flank of second briquetting is provided with block,
The block is against the lower end of first briquetting, the locking end of the outer end and park pawl of first briquetting
Outside face contact.
Further, the locking end of the park pawl is provided with roller, and the roller is outer with first briquetting
End contact.
Further, the outer end of the lateral surface of the locking end of the park pawl and first briquetting is provided with
Wear-resistant coating.
It further, further include intermediate gear shaft, the front end axial plane gear and the output gear of the intermediate gear shaft
Engagement, the intermediate gear the tip of the axis are set with intermediate gear, and the intermediate gear is engaged with the input gear, described defeated
Enter gear, intermediate gear, axial plane gear and output gear and is all made of elongated tooth Shape Design.
A kind of reduction gearbox configured with halting mechanism of the utility model, halting mechanism structure is simple, at low cost, reliability
Height occupies little space, and is conducive to the size for reducing reduction gearbox, meanwhile, the gear of reduction gearbox has carried out Optimization of Tooth Form, gear
Registration is high.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the stereoscopic schematic diagram of halting mechanism in the utility model；
Fig. 2 is the schematic front view of halting mechanism lock state in the utility model；
Fig. 3 is the schematic front view of halting mechanism unlocked state in the utility model；
Fig. 4 is the schematic diagram of the utility model middle gear part.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment 1
As shown in Figs 1-4, a kind of reduction gearbox configured with halting mechanism, including shell (being not drawn into figure), input gear 1
With output gear 2, parking ratchet wheel 3 is set on the output gear shaft of output gear 2, the side of parking ratchet wheel 3 is provided with matching
Park pawl 4, park pawl 4 end rotation is connected with pawl shaft 5, pawl shaft 5 is fixedly mounted on shell, park pawl
4 end is provided with return spring 6, and one end of return spring 6 is fixedly connected with shell, and the other end of return spring 6 is against parking
On pawl 4, park pawl 4 and parking ratchet wheel 3 is made to keep discrete state；The outside of park pawl 4 is provided with manipulation component, manipulation
Component includes control shaft 7, and the front end of control shaft 7 is connected with parking-driving mechanism (being not drawn into figure), controls the end of shaft 7
End is successively set with the first briquetting 8 disposed in parallel and the second briquetting 9, and the first briquetting 8 is connected with the control rotation of shaft 7, and second
Briquetting 9 is cooperatively connected with control shaft 7 by non-cylindrical hole axle, and the upper end of the first briquetting 8 and the second briquetting 9 is provided with relatively
Fixed link and be fixedly connected by spring 10, the leading flank of the second briquetting 9 is provided with block 11, and block 11 is against the first briquetting
8 lower end, the outside face contact of the locking end of the outer end and park pawl 4 of the first briquetting 8.Using rotation brake mechanism,
Braking distance is short, occupies little space, and reduces the size of reduction gearbox, pure mechanic structure parking, high reliablity.
The locking end of park pawl 4 is provided with roller 12, and roller 12 is contacted with the outer end of the first briquetting 8.Reduce the
Frictionally damage between one briquetting and park pawl, prolongs the service life.
It further include intermediate gear shaft 13, the front end axial plane gear of intermediate gear shaft 13 is engaged with output gear 2, intermediate gear
The end of axis 13 is set with intermediate gear 14, and intermediate gear 14 is engaged with input gear 1, input gear 1, intermediate gear 14, axis
Face gear and output gear 2 are all made of elongated tooth Shape Design.Elongated tooth form has lower pressure angle and higher helical angle, energy
Enough improve the registration of gear.
Working principle:
Keep control shaft counterclockwise by controlling parking-driving mechanism (including driving motor and worm and gear speed-reduction apparatus)
About 60 ° (seeing along torque transfer direction) is rotated, the second pressure being fixedly connected with control shaft drives the rotation of the first briquetting by spring
Turn, the first briquetting and roller-contact simultaneously transfer torque to park pawl, overcome the aligning torque of return spring, make park pawl
Locking end is pressed into the tooth socket of parking ratchet wheel, if park pawl fails to snap into the tooth socket of parking ratchet wheel, but is pressed in
On the tooth top of ratchet, as long as vehicle slides slightly, under the resilient force of spring, park pawl still can be pressed into tooth socket
It is interior, to realize parking；Parking-driving mechanism makes shaft rotate clockwise about 60 ° (seeing along torque transfer direction), turns with control
The second briquetting that axis is fixedly connected drives the rotation of the first briquetting by the block of bottom, to make park pawl in return spring
Under aligning torque effect, tooth socket is popped up, realizes that parking releases.
Embodiment 2
The present embodiment the difference from embodiment 1 is that: the lateral surface of the locking end of park pawl 4 and the first briquetting 8
Outer end is provided with wear-resistant coating.The frictionally damage between the first briquetting and park pawl can be equally reduced, extends and uses
Service life.
A kind of reduction gearbox configured with halting mechanism of the utility model, halting mechanism structure is simple, at low cost, reliability
Height occupies little space, and is conducive to the size for reducing reduction gearbox, meanwhile, the gear of reduction gearbox has carried out Optimization of Tooth Form, gear
Registration is high.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of reduction gearbox configured with halting mechanism, it is characterised in that: described including shell, input gear and output gear
Parking ratchet wheel is set on the output gear shaft of output gear, the side of the parking ratchet wheel is provided with matched park pawl,
The end rotation of the park pawl is connected with pawl shaft, and the pawl shaft is fixedly mounted on the housing, the parking spine
The end of pawl is provided with return spring, and one end of the return spring is fixedly connected with the shell, the return spring it is another
End is against in the park pawl, and the park pawl and parking ratchet wheel is made to keep discrete state；
Manipulation component is provided on the outside of the park pawl, the manipulation component includes control shaft, the control shaft
Front end is connected with parking-driving mechanism, and the control turns the tip of the axis and is successively set with the first briquetting disposed in parallel and the second pressure
Block, first briquetting and control shaft rotation connect, and second briquetting and the control shaft pass through non-cylindrical
Hole axle is cooperatively connected, and the upper end of first briquetting and the second briquetting, which is provided with, to be relatively fixed bar and fix company by spring
It connects, the leading flank of second briquetting is provided with block, and the block is against the lower end of first briquetting, first briquetting
Outer end and the park pawl locking end outside face contact.
2. a kind of reduction gearbox configured with halting mechanism according to claim 1, it is characterised in that: the park pawl
Locking end is provided with roller, and the roller is contacted with the outer end of first briquetting.
3. a kind of reduction gearbox configured with halting mechanism according to claim 1, it is characterised in that: the park pawl
The outer end of the lateral surface of locking end and first briquetting is provided with wear-resistant coating.
4. a kind of reduction gearbox configured with halting mechanism according to claim 1, it is characterised in that: further include intermediate gear
The front end axial plane gear of axis, the intermediate gear shaft is engaged with the output gear, and the intermediate gear the tip of the axis is set with
Intermediate gear, the intermediate gear are engaged with the input gear, the input gear, intermediate gear, axial plane gear and output
Gear is all made of elongated tooth Shape Design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821495306.9U CN208951285U (en) | 2018-09-12 | 2018-09-12 | A kind of reduction gearbox configured with halting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821495306.9U CN208951285U (en) | 2018-09-12 | 2018-09-12 | A kind of reduction gearbox configured with halting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208951285U true CN208951285U (en) | 2019-06-07 |
Family
ID=66737782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821495306.9U Active CN208951285U (en) | 2018-09-12 | 2018-09-12 | A kind of reduction gearbox configured with halting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208951285U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112024725A (en) * | 2020-08-27 | 2020-12-04 | 天津泰正机械有限公司 | Stamping device |
| WO2021128494A1 (en) * | 2019-12-26 | 2021-07-01 | 精进电动科技股份有限公司 | Electronic parking brake mechanism |
-
2018
- 2018-09-12 CN CN201821495306.9U patent/CN208951285U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021128494A1 (en) * | 2019-12-26 | 2021-07-01 | 精进电动科技股份有限公司 | Electronic parking brake mechanism |
| JP7458487B2 (en) | 2019-12-26 | 2024-03-29 | ジン－ジン エレクトリック テクノロジーズ カンパニー リミテッド | electric parking mechanism |
| US11965594B2 (en) | 2019-12-26 | 2024-04-23 | Jing-Jin Electric Technologies Co., Ltd. | Electronic parking brake mechanism |
| CN112024725A (en) * | 2020-08-27 | 2020-12-04 | 天津泰正机械有限公司 | Stamping device |
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