CN208185437U - Halting mechanism and automobile - Google Patents
Halting mechanism and automobile Download PDFInfo
- Publication number
- CN208185437U CN208185437U CN201820379899.6U CN201820379899U CN208185437U CN 208185437 U CN208185437 U CN 208185437U CN 201820379899 U CN201820379899 U CN 201820379899U CN 208185437 U CN208185437 U CN 208185437U
- Authority
- CN
- China
- Prior art keywords
- cam member
- parking
- pawl
- camshaft
- halting mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Transmission Devices (AREA)
Abstract
The utility model relates to a kind of halting mechanism and automobiles.Halting mechanism is connect by the way that screw rod transmission axis is arranged with parking motor output shaft, the feed screw nut's pushing block for being connected thereto transmission pushes cam member to move along camshaft, so that the pawl body abutted with the cam face of cam member is rotated around pawl pin shaft, to drive ratchet to enter or exit progress parking in the tooth socket of parking ratchet wheel or exit parking, the axial movement along camshaft of the cam member of the halting mechanism is completed by feed screw nut's pushing block, final axial force by screw rod transmission bearing by, therefore camshaft is solely subjected to the radial force from pawl body to cam member, larger position deviation is generated to which camshaft and other structures will not be caused to cooperate, automobile parking is functional.
Description
Technical field
The utility model relates to automobile technical fields, more particularly to a kind of halting mechanism and automobile.
Background technique
For automobile stop when on normal level road, driver, which need to only pull on parking brake, to play braking action to vehicle；For
For traditional combustion engine automobile stop when on steeper ramp, being by parking brake only cannot be fully functional, it is possible that slipping by slope
The phenomenon that, so in parking on ramp, driver can carry additionally bottom gear while pulling on parking brake, to utilize the anti-of internal combustion engine
Torque processed prevents vehicle anti-slide.But for the automobile being driven by motor, due to breaking through power without utilizable internal combustion engine
Square, so must just take other scheme to prevent the occurrence of slipping by slope, halting mechanism just can be well solved vehicle slope
Road parking problem.
Halting mechanism is a kind of safety device for preventing vehicle sliding, it is installed on inside automotive transmission/retarder, will
The transmission shaft of speed changer is locked, keep automobile reliable and no time limit be parked on certain position even slope.With certainly
The fast lifting of dynamic speed changer automobile and the automobile market occupation rate being driven by motor, the change with halting mechanism/retarder will
There is wide market with prospect.
In the automotive transmission halting mechanism used, translating cam is driven to using turbine and worm and pushes parking spine
The halting mechanism of pawl movement, translating cam include camshaft and the cam member being fixed thereon, and cam member is moved with camshaft along axial
Dynamic, and complete with click-fit to parking ratchet wheel locking and unlock, which is subjected to pawl to the radial force of cam member,
There must also be axial movement, and bear certain axial force；After the long-term stress of camshaft and axial movement, it will cause convex
There is larger abrasion in wheel shaft and other fit structures, cause cooperation to generate larger position deviation, influence automobile parking performance.
Utility model content
Based on this, it is necessary to which, in the automotive transmission halting mechanism used, camshaft should bear radial direction
Power bears axial force again, causes camshaft and other fit structures larger abrasion occur, causes cooperation position deviation big, from
And the problem of influencing automobile parking performance, provide it is a kind of mitigation camshaft stress and parking performance it is good halting mechanism and automobile it is new
Automotive parking mechanism.
A kind of halting mechanism, including parking motor；Screw component, including screw rod transmission axis and one end and the screw rod transmission axis
Feed screw nut's pushing block of threaded connection, the output axis connection of one end of the screw rod transmission axis and the parking motor, the other end can turn
It is dynamic to be supported in gear box casing；Cam pack is rotatably supported at the camshaft of the gear box casing including both ends and is arranged
In the camshaft and the cam member abutted against with feed screw nut's pushing block is kept, feed screw nut's pushing block is far from the screw rod transmission axis
One end be sheathed on the camshaft, which is arranged in parallel along lead screw transmission axis is axial with the lead screw transmission shaft；Pawl group
Part, the pawl assembly include pawl body and the pawl pin shaft for being connected to the pawl body, which passes through the detent pin
Axis both ends are rotatably supported in the gear box casing, and one end of the pawl body is abutted with the cam face of the cam member；And
Parking ratchet wheel circumferentially has several tooth sockets, and the ratchet with the tooth socket for engaging.
Above-mentioned halting mechanism is connect with parking motor output shaft by setting screw rod transmission axis, is connected thereto the silk of transmission
Stem nut pushing block pushes cam member to move along camshaft, so that the pawl body abutted with the cam face of cam member is around detent pin
Axis rotation carries out parking or exits parking so that ratchet be driven to enter or exit in the tooth socket of parking ratchet wheel, the halting mechanism
The axial movement along camshaft of cam member is completed by feed screw nut's pushing block, final axial force by screw rod transmission bearing by, therefore
Camshaft is solely subjected to the radial force from pawl body to cam member, and there is no axial movements for camshaft, to will not make
There is larger abrasion at camshaft and other fit structures, therefore cooperation position deviation is small, so that halting mechanism work is more stable
Reliably.
Above-mentioned cam pack further includes elastic component and is fixed on consolidating for above-mentioned camshaft one end in one of the embodiments,
Determine part, above-mentioned elastic component is set to above-mentioned cam member, and between above-mentioned cam member and above-mentioned fixing piece, has been provided above-mentioned convex
Gear member keeps the pretightning force for being connected to above-mentioned feed screw nut's pushing block.
Above-mentioned cam member is tapered in one of the embodiments, and axially offers through-hole along above-mentioned cam member, above-mentioned
Cam member includes big end and small end, and above-mentioned cam member is additionally provided with a limiting section, above-mentioned elastic component quilt along above-mentioned through-hole inner circumferential
It is contained in above-mentioned big end and is abutted with above-mentioned limiting section.
Above-mentioned lead screw transmission axis is equipped with a shaft shoulder close to one end of above-mentioned gear box casing in one of the embodiments,
The shaft shoulder abuts the inner wall of above-mentioned gear box casing.
Above-mentioned pawl body one end is equipped with and supports with what the cam face of above-mentioned cam member abutted in one of the embodiments,
Socket part, part of the above-mentioned pawl body between above-mentioned pawl pin shaft and the abutting part be equipped with arc section, the arc section it is interior
Arc side is towards above-mentioned parking ratchet wheel.
Above-mentioned pawl body further includes hook portion in one of the embodiments, and the hook portion is with above-mentioned abutting part close to above-mentioned
One end of pawl pin shaft connects, away from above-mentioned parking ratchet wheel and towards above-mentioned cam member on the inside of the hook portion.
Above-mentioned pawl assembly further includes return spring in one of the embodiments, which is sheathed on above-mentioned pin
Axis, one end of the return spring are connected to above-mentioned pawl body, and the other end is installed on above-mentioned gear box casing.
Above-mentioned halting mechanism further includes Hall-type angular transducer in one of the embodiments, which passes
Sensor is set to above-mentioned parking motor.
Above-mentioned parking motor is DC brush magneto in one of the embodiments,.
A kind of automobile, including car body, controller and above-mentioned halting mechanism, above-mentioned halting mechanism is set in the car body,
The controller is electrically connected with above-mentioned parking motor.
Above-mentioned automobile, halting mechanism are connect by the way that screw rod transmission axis is arranged with parking motor output shaft, are connected thereto biography
Dynamic feed screw nut's pushing block along camshaft push cam member move so that the pawl body abutted with the cam face of cam member around
The rotation of pawl pin shaft carries out parking or exits parking, the parking so that ratchet be driven to enter or exit in the tooth socket of parking ratchet wheel
The axial movement along camshaft of the cam member of mechanism is completed by feed screw nut's pushing block, and final axial force is by screw rod transmission bearing
By, therefore camshaft is solely subjected to the radial force from pawl body to cam member, and there is no axial movements for camshaft, thus not
It will cause camshaft and larger abrasion occur in other fit structures, therefore cooperation position deviation is small, so that halting mechanism work is more
It is reliable and stable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the halting mechanism of an embodiment of the present invention；
Fig. 2 is the structural representation at another visual angle of halting mechanism shown in FIG. 1；
Fig. 3 is the partial structural diagram of halting mechanism shown in FIG. 1；
Fig. 4 is the structural schematic diagram of the pawl assembly of halting mechanism shown in FIG. 1.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes to the utility model
The understanding of disclosure is more thorough and comprehensive.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
Any and all combinations of one or more related listed items.
As shown in Figure 1, the halting mechanism 100 in an embodiment of the present invention, including parking motor 10, screw component
20, cam pack 30, pawl assembly 40 and parking ratchet wheel 50.A kind of safety for being then prevented from vehicle sliding of halting mechanism 100
Device is parked in certain position even slope for keeping automobile reliable without time limit.Wherein, parking motor 10 is set to speed change
Outside box body, screw component 20, cam pack 30, pawl assembly 40 and parking ratchet wheel 50 are set in gear box, parking
Input shaft, jackshaft or output axis connection in ratchet 50 and gearbox, it should be understood that, which is also referred to as slowing down
Case.
Screw component 20 includes screw rod transmission axis 21 and feed screw nut's pushing block that one end is threadedly coupled with screw rod transmission axis 21
22, one end of screw rod transmission axis 21 and the output axis connection of parking motor 10, the other end are rotatably supported in gear box casing.
Specifically, screw rod transmission axis 21 includes a stage portion 23 axially extended, and stage portion 23 is equipped with threaded portion 24,
22 one end of feed screw nut's pushing block is corresponding to offer threaded hole, and the diameter of stage portion 23 is greater than the diameter at 21 both ends of screw rod transmission axis,
Threaded portion 24 is set on it, can guarantee the integral strength of screw rod transmission axis 21, and keep 24 structure of threaded portion reliable.At this
In embodiment, screw rod transmission axis 21 and feed screw nut's pushing block 22 have the function of unidirectional self-lock, can guarantee the stabilization of parking positioning
Property.
More specifically, the end face of one end that screw rod transmission axis 21 is connect with parking motor 10 offer axially extend it is recessed
Slot, one end that the output shaft of corresponding parking motor 10 is connect with screw rod transmission axis 21 are equipped with convex with the groove corresponding matching
It rises, which links with the protrusion clearance fit；The other end of screw rod transmission axis 21 is arranged in the blind hole of gear box casing, and
The step surface 231 of the stage portion 23 is abutted with gear box casing inner wall, so that the axial force that screw rod transmission axis 21 is born can be by becoming
Fast tank shell is born, and in other embodiments, screw rod transmission axis 21 is equipped with a shaft shoulder, the shaft shoulder close to one end of gear box casing
For abutting with gear box casing inner wall, this set-up mode, which can also be realized, bears 21 axial force of screw rod transmission axis by gear box casing
Effect.
Further, cam pack 30 includes that both ends are rotatably supported at the camshaft 31 of gear box casing and are arranged
In camshaft 31 and the cam member 32 abutted against with feed screw nut pushing block 22 is kept, feed screw nut's pushing block 22 is far from screw rod transmission axis
21 one end is sheathed on camshaft 31.Specifically, feed screw nut's pushing block 22 offers axis hole far from one end of screw rod transmission axis 21,
Camshaft 31 is arranged in the axis hole, and with axis hole clearance fit.Cam member 32 axially offers through-hole along cam, and 32 sets of cam member
It is abutted set on camshaft 31 and with an end face of feed screw nut's pushing block 22, when feed screw nut's pushing block 22 is rotated with screw rod transmission axis 21
And when being moved along screw rod transmission axis, feed screw nut's pushing block 22 is mobile toward and away from the direction of cam member 32, so that cam member 32
It is moved along camshaft 31.
Pawl assembly 40 includes pawl body 41 and the ratchet 42 and pawl pin shaft 43 that are connected to pawl body 41, pawl
Ontology 41 is rotatably supported in gear box casing, one end of pawl body 41 and the CAM table of cam member 32 by pawl pin shaft 43
Face abuts, and parking ratchet wheel 50 circumferentially has several tooth sockets, and ratchet 42 with the tooth socket of parking ratchet wheel 50 for engaging.Specifically,
Pawl pin shaft 43 is located at one end that the separate cam face with cam member 32 of pawl body 41 abuts, and ratchet 42 is located at pawl body
41 medium positions, and ratchet 42 is set towards parking ratchet wheel 50.It should be appreciated that if parking ratchet wheel 50 is internal tooth ratchet,
The above-mentioned tooth socket being circumferentially arranged is also referred to as being set to the tooth socket of 50 inner circumferential of parking ratchet wheel.
Specifically, when feed screw nut's pushing block 22 is mobile, drive cam member 32 is moved along camshaft 31, passes through pawl body 41
The one end abutted with the cam face of cam member 32, drive pawl body 41 around pawl pin shaft 43 rotate, thus make ratchet 42 into
Enter or exit the tooth socket that the periphery of parking ratchet wheel 50 is justified, realizes automobile parking or exit parking.
Axis connection is exported by setting screw rod transmission axis 21 and parking motor 10, is connected thereto feed screw nut's pushing block of transmission
22 push cam member 32 to move along camshaft 31, so that passing through the pawl body 41 abutted around spine with the cam face of cam member 32
Pawl pin axis 43 rotates, and carries out parking or exit to stay so that ratchet 42 be driven to enter or exit in the periphery knuckle-tooth slot of parking ratchet wheel 50
Vehicle.The axial movement along camshaft 31 of the cam member 32 of the halting mechanism 100 is completed by feed screw nut's pushing block 22, final axis
It is born to power by screw rod transmission axis 21, therefore camshaft 31 is solely subjected to the radial force from pawl body 41 to cam member 32, cam
There is no axial movements for axis 31, and axial movement is realized by feed screw nut's pushing block 22, to will not lead to camshaft 31 and its
There is larger abrasion by fit structure in him, therefore cooperation position deviation is small, so that halting mechanism work is more reliable and more stable.
In the present embodiment, camshaft 31 is axially arranged in parallel with screw rod transmission axis 21 along screw rod transmission axis 21.This setting
On the one hand mode can be reduced 100 occupied space of halting mechanism, on the other hand, feed screw nut pushes away 22 pieces of mobile energy prestissimo
Ground is transferred to cam member 32, to fast implement parking, stablizes in addition, screw rod transmission axis 21 bears axial force, reduces parking motor
10 and gear box casing abrasion.
In one embodiment, the axial direction of extending direction with camshaft 31 of pawl body 41 is vertical.This setting side
Formula can shorten the distance axially extending in 10 output shaft of parking motor of halting mechanism 100, and make the structure of halting mechanism 100
More closely；In addition, the movement that cam member 32 abuts transmitting with pawl body 41 is more stable.
As shown in Fig. 2, in one embodiment, cam pack 30 further includes elastic component 33 and is fixed on 31 one end of camshaft
Fixing piece 34, elastic component 33 is set to cam member 32, and between cam member 32 and fixing piece 34, makes cam member to provide
32 keep the pretightning force for being connected to feed screw nut's pushing block 22.By this set-up mode, so that feed screw nut's pushing block 22 only needs to resist
The elastic restoring force of elastic component 33, can be completed makes the moving along 31 two opposite directions of camshaft of cam member 32, the letter of this structure
List and cam member 32 can be moved reliablely and stablely.
Fig. 2 and Fig. 3 are please referred to, further, cam member 32 is tapered, and axially offers through-hole along cam member 32, convex
Gear member 32 includes big end 321 and small end 322, and cam member 32 is additionally provided with a limiting section along through-hole inner circumferential, and elastic component 33 is received
It is dissolved in big end 321 and is abutted with limiting section.This set-up mode, one side cam member 32 are sheathed on camshaft 31 by through-hole
On, positioning method is simple, on the other hand, by with big end 231, that is, being contained in the receiving of elastic component 33 positioned at big end
In 321 through-hole, 31 axial length of camshaft can be further reduced, and elastic component 33 can be protected by big end 321, avoid damaging.Tool
Body, elastic component 33 is hollow compressible spring, which is set to camshaft 31, and fixing piece 34 is and 31 interference of camshaft
The retaining collar of cooperation, spring are compressed between limiting section and retaining collar.
Specific in one embodiment, when halting mechanism 100 is in non-parked state, pawl body 41 and cam member
32 one end abutted are small end 322, and elastic component 33 is confined state, and ratchet 42 does not enter in the tooth socket of parking ratchet wheel 50；
When automobile need to enter parked state, starting parking motor 10, the output shaft of parking motor 10 drive screw rod transmission axis 21 first
Rotation, by screw-driven to feed screw nut's pushing block 22, feed screw nut's pushing block 22 is moved along the direction away from elastic component 33, thus
Make cam member 32 under the action of 33 restoring force of elastic component, to and remain unchanged abutting screw rod spiral shell mobile away from the direction of elastic component 33
One end of female pushing block 22, until pawl body 41 is when the one end of pawl body 41 abutted with cam member 32 is big end 321
It rotates, is engaged in the tooth socket of the periphery of the entrance parking ratchet wheel 50 of ratchet 42 with tooth socket, halting mechanism 100 is completed around pawl pin shaft 43
Parking.
As shown in figure 4, in one embodiment, 41 one end of pawl body is equipped with and supports with what 32 cam face of cam member abutted
Socket part 44, pawl body 41 are equipped with arc section between pawl pin shaft 43 and abutting part 44, and the inner arc side direction of arc section is stayed
Vehicle ratchet 50.This set-up mode can reduce the contact position of cam member 32 Yu pawl body 41, and halting mechanism 100 occupies speed change
The space of box body is smaller, is conducive to gearbox lightweight, convenient for manufacturing and reducing production cost.It should be appreciated that should
Arc section is also referred to as other curved curved sections.
Further, pawl body 41 further includes hook portion 45, and hook portion 45 and abutting part 44 are close to one end of pawl pin shaft 43
It connects, is arranged away from parking ratchet wheel 50 on the inside of hook portion 45 and towards cam member 32.The setting of hook portion 45 can cooperate abutting part
44, so that abutting part 44 abuts more stable with cam member 42, and also can reduce between pawl body 41 and parking ratchet wheel 50
Distance, 100 structure of halting mechanism is more compact, and occupied space is smaller.
In one embodiment, pawl assembly 40 further includes return spring 46, and return spring 46 is sheathed on pawl pin shaft 43,
One end of return spring 46 is connected to pawl body 41, and the other end is installed on gear box casing.Return spring 46 can make pawl
One end of ontology 41 remains with cam member 32 and abuts, and is back to non-parked state from parked state in halting mechanism 100
When, it is supplied to the restoring force for the tooth socket that pawl body 41 makes ratchet 42 be detached from parking ratchet wheel 50, so that 100 parking of halting mechanism is imitated
Fruit is more preferable.
In one embodiment, halting mechanism 100 further includes Hall-type angular transducer, the setting of Hall-type angular transducer
In parking motor 10.Hall-type angular transducer is able to detect the angle signal of 10 output shaft of parking motor, and is sent to
Automobile controller.
In one embodiment, parking motor 10 is DC brush magneto.DC brush magneto is widely used,
It is cheap and convenient for control.
Based on above-mentioned halting mechanism 100, the utility model also provides a kind of automobile, including car body, controller and above-mentioned stays
Mechanism of car 100, halting mechanism 100 are set in car body, and controller is electrically connected with parking motor 10.
Further, controller can control parking motor 10 to run after receiving parking signal, thus realize parking, example
Such as, controller issues command pulse and runs to control parking motor 10.
Further, it is anti-to can receive the signal from the Hall-type angular transducer for being set to parking motor 10 for controller
Feedback further confirms that and completes parking or progress next step control.
Above-mentioned automobile, halting mechanism 100 export axis connection by setting screw rod transmission axis 21 and parking motor 10, connect with it
The feed screw nut's pushing block 22 for connecing transmission pushes cam member 32 to move along camshaft 31, so that passing through with the cam face of cam member 32
The pawl body 41 of abutting is rotated around pawl pin shaft 43, to drive the entrance of ratchet 42 or exit the periphery knuckle-tooth of parking ratchet wheel 50
Parking is carried out in slot or exits parking.The axial movement along camshaft 31 of the cam member 32 of the halting mechanism 100 is by screw rod spiral shell
Female pushing block 22 is completed, and final axial force is born by screw rod transmission axis 21, thus camshaft 31 be solely subjected to it is right from pawl body 41
The radial force of cam member 32, there is no axial movements for camshaft 31, so that camshaft 31 will not be caused to go out with other fit structures
Existing larger abrasion, therefore cooperation position deviation is small, so that halting mechanism work is more reliable and more stable.
Halting mechanism 100 and vehicle in the utility model, have the advantage that compared with prior art
(1), by the way that screw rod transmission axis 21, feed screw nut's pushing block 22, camshaft 31, the cam moved along camshaft 31 is arranged
Part 32 and pawl assembly 40, wherein the axial movement along camshaft 31 of cam member 32 is completed by feed screw nut's pushing block 22, finally
Axial force born by screw rod transmission axis 21, therefore camshaft 31 is solely subjected to the radial force from pawl body 41 to cam member 32,
There is no axial movements for camshaft 31, so that camshaft 31 and other fit structures will not be caused larger abrasion occur, therefore cooperate
Position deviation is small, so that halting mechanism work is more reliable and more stable；
(2), through setting elastic component 33 between cam member 32 and fixing piece 34, keep cam member 32 to provide
It is connected to the pretightning force of feed screw nut's pushing block 22, so that feed screw nut's pushing block 22 need to resist the elastic restoring force of elastic component 33,
Can be completed makes the moving along 31 two opposite directions of camshaft of cam member 32, this structure is simple and cam member 32 can be reliable and stable
Ground is mobile；
(3), tapered by setting cam member 32, and through-hole is axially offered along cam member 32, cam member 32 includes big
End 321 and small end 322, cam member 32 are additionally provided with a limiting section along through-hole inner circumferential, and elastic component 33 is accommodated in big end
It 321 and is abutted with limiting section, 31 axial length of camshaft can be reduced, and elastic component 33 can be protected by big end 321；
(4), by being at least partly equipped with arc section, and arc section between detent pin axis 43 and abutting part 44
Inner arc side towards parking ratchet wheel 50, can reduce the contact position of cam member 32 Yu pawl body 41, halting mechanism 100 occupies
The space of gear box is smaller.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of halting mechanism characterized by comprising
Parking motor；
Screw component, it is described including feed screw nut's pushing block that screw rod transmission axis and one end are connect with the screw rod transmission axle thread
The output axis connection of one end of screw rod transmission axis and the parking motor, the other end are rotatably supported at gear box casing；
Cam pack, be rotatably supported at the camshaft of the gear box casing including both ends and be sheathed on the camshaft and
Keep the cam member abutted against with feed screw nut's pushing block, the one end of feed screw nut's pushing block far from the screw rod transmission axis
It is sheathed on the camshaft, the camshaft is axially arranged in parallel with the lead screw transmission axis along the lead screw transmission axis；
Pawl assembly including pawl body and is connected to the ratchet and pawl pin shaft of the pawl body, and the pawl body is logical
It crosses the pawl pin shaft and is rotatably supported at the gear box casing, one end of the pawl body is convex with the cam member
Wheel surface abuts；And
Parking ratchet wheel circumferentially has several tooth sockets, and the ratchet with the tooth socket for engaging.
2. halting mechanism according to claim 1, which is characterized in that the cam pack further includes elastic component and is fixed on
The fixing piece of described camshaft one end, the elastic component is set to the cam member, and is located at the cam member and the fixation
Between part, the cam member is set to keep the pretightning force for being connected to feed screw nut's pushing block to provide.
3. halting mechanism according to claim 2, which is characterized in that the cam member is tapered, and along the cam member
Through-hole is axially offered, the cam member includes big end and small end, and the cam member is equipped with a limit along the through-hole inner circumferential
Position portion, the elastic component are accommodated in the big end and abut with the limiting section.
4. halting mechanism according to claim 1, which is characterized in that the lead screw transmission axis is close to the gear box casing
One end be equipped with a shaft shoulder, the shaft shoulder abuts the inner wall of the gear box casing.
5. halting mechanism according to claim 1, which is characterized in that described pawl body one end is equipped with and the cam member
The abutting part that abuts of cam face, the pawl body is positioned at the pawl pin shaft and the abutting part between equipped with circular arc
Section, the inner arc side of the arc section is arranged towards the parking ratchet wheel.
6. halting mechanism according to claim 5, which is characterized in that the pawl body further includes hook portion, the hook portion
It is connect with the abutting part close to one end of the pawl pin shaft, away from the parking ratchet wheel and towards described on the inside of the hook portion
Cam member setting.
7. described in any item halting mechanisms according to claim 1~6, which is characterized in that the pawl assembly further includes return
Spring, the return spring are sheathed on the pawl pin shaft, and one end of the return spring is connected to the pawl body, another
End is installed on the gear box casing.
8. described in any item halting mechanisms according to claim 1~6, which is characterized in that the halting mechanism further includes Hall
Formula angular transducer, the Hall-type angular transducer are set to the parking motor.
9. described in any item halting mechanisms according to claim 1~6, which is characterized in that the parking motor is DC brush
Magneto.
10. a kind of automobile, including car body, controller and halting mechanism as described in any one of claims 1 to 9, the parking
Mechanism is set in the car body, and the controller is electrically connected with the parking motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820379899.6U CN208185437U (en) | 2018-03-20 | 2018-03-20 | Halting mechanism and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820379899.6U CN208185437U (en) | 2018-03-20 | 2018-03-20 | Halting mechanism and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208185437U true CN208185437U (en) | 2018-12-04 |
Family
ID=64438530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820379899.6U Active CN208185437U (en) | 2018-03-20 | 2018-03-20 | Halting mechanism and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208185437U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317248A (en) * | 2018-03-20 | 2018-07-24 | 株洲欧格瑞传动股份有限公司 | Halting mechanism and automobile |
| CN112539269A (en) * | 2019-09-20 | 2021-03-23 | 舍弗勒技术股份两合公司 | Parking lock |
-
2018
- 2018-03-20 CN CN201820379899.6U patent/CN208185437U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317248A (en) * | 2018-03-20 | 2018-07-24 | 株洲欧格瑞传动股份有限公司 | Halting mechanism and automobile |
| CN112539269A (en) * | 2019-09-20 | 2021-03-23 | 舍弗勒技术股份两合公司 | Parking lock |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208185437U (en) | Halting mechanism and automobile | |
| CN100348832C (en) | Locking mechanism of passive spiral door machine | |
| CN108317248A (en) | Halting mechanism and automobile | |
| CN205559765U (en) | Electrodynamic type parking mechanism | |
| CN207393932U (en) | Electronic brake mechanism | |
| CN107327518B (en) | Halting mechanism and vehicle | |
| CN205101548U (en) | Degree of depth hybrid gearbox parking mechanism | |
| CN106051154A (en) | Electric parking mechanism and automobile | |
| CN108317247A (en) | Halting mechanism and automobile | |
| CN102278467A (en) | P-gear executing mechanism of automotive transmission | |
| CN104048012A (en) | Drive module having planetary transmission with nested ring gears | |
| CN108930789A (en) | A kind of Simple electronic halting mechanism | |
| CN102878284A (en) | Power-driven parking mechanism for automatic transmission | |
| CN109139906A (en) | Halting mechanism and automobile | |
| CN203614727U (en) | Parking system of automobile gearbox | |
| CN202065461U (en) | P-gear actuating mechanism of automotive transmission | |
| CN208221575U (en) | Halting mechanism and automobile | |
| CN112212004B (en) | Parking device for vehicle | |
| CN208515712U (en) | Spare tyre lifter and vehicle | |
| CN107399310B (en) | Halting mechanism and automobile | |
| CN204164337U (en) | A kind of shifting of transmission halting mechanism | |
| CN209309301U (en) | A kind of automobile transmission halting mechanism | |
| CN103277479B (en) | Two gear pure electric automobile decelerator and electric automobiles thereof of machinery parking | |
| CN205918888U (en) | Automatic parking mechanism | |
| CN110529590A (en) | Parking lock device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191111 Address after: No. 10, Li Yu Industrial Park, Tianyuan District, Zhuzhou, Hunan Province, Ming day road, 412000 Patentee after: Zhuzhou Gearings Co., Ltd. Address before: 412007 Li Yu Industrial Park, Pearl River North Road, Tianyuan District, Zhuzhou, Hunan Patentee before: Zhuzhou Accurate Drive Train Co., Ltd. |