CN109139906A - Halting mechanism and automobile - Google Patents
Halting mechanism and automobile Download PDFInfo
- Publication number
- CN109139906A CN109139906A CN201811286108.6A CN201811286108A CN109139906A CN 109139906 A CN109139906 A CN 109139906A CN 201811286108 A CN201811286108 A CN 201811286108A CN 109139906 A CN109139906 A CN 109139906A
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- Prior art keywords
- pawl
- hole
- connecting rod
- ratchet
- halting mechanism
- Prior art date
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- 230000007246 mechanism Effects 0.000 title claims abstract description 54
- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 210000003781 tooth socket Anatomy 0.000 claims abstract description 15
- 230000006978 adaptation Effects 0.000 claims 1
- 230000033001 locomotion Effects 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000001788 irregular Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000003672 processing method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
- F16H63/3416—Parking lock mechanisms or brakes in the transmission
Abstract
The invention discloses a kind of halting mechanism and automobiles, belong to technical field of automobile parts.The halting mechanism includes: power source, pawl, ratchet, drive rod and elastic element；Pawl center is provided in the axial direction with first through hole, and drive rod passes through first through hole one end and connect with power source, and the other end is connect with case of transmission；Drive rod includes sequentially connected first connecting rod and the second connecting rod, and first connecting rod is connect with power source, and the second connecting rod is connect with case of transmission；Elastic element is sheathed in the second connecting rod, and elastic element one end offsets with pawl, and the other end offsets with case of transmission；The tooth socket engaged with pawl is offered on ratchet；Position sensor is set on power source, and position sensor and pawl are electrically connected.The present invention by pawl along the axial movement of ratchet, put into gear by realization, needs to be simplified halting mechanism structure using the longer pawl of length, simplified the space layout of halting mechanism when avoiding pawl along ratchet radial motion.
Description
Technical field
The present invention relates to automobile brake technical field, in particular to a kind of halting mechanism and automobile.
Background technique
Halting mechanism is a kind of safety device that vehicle sliding is prevented in automotive transmission, for keeping automobile reliable
It is timeless to be parked on certain position even slope, it is key mechanism indispensable in speed changer.Pass through parking machine
Structure can make automobile can be realized safe parking under certain speed, and after automobile realizes parking, and any abnormal feelings occur
Condition, halting mechanism cannot be automatic out of supply, and when automobile needs when driving, halting mechanism can make automobile smoothly out of supply.
The halting mechanism that the relevant technologies use includes: power source, pawl, ratchet, rotating shaft and drive rod, and ratchet is located at back
In shaft, one end of drive rod is connect with power source, and the other end is connect with pawl, and ratchet uses the unidirectional gear teeth, makes ratchet can only
Along rotating shaft radial motion.The unidirectional tooth contact of pawl and ratchet provides power by power source, drive rod is made to drive spine
Pawl is rotated along rotating shaft, and relative to ratchet radial displacement.When drive rod is radially rotated in an anti-clockwise direction along ratchet, pawl is inserted
Enter in hook tooth, ratchet stops operating, and realizes putting into gear for automobile；When drive rod along ratchet it is radial rotationally clockwise when, spine
Pawl slips on the ratchet one-way gear teeth, and automobile plucks shelves.
Inventor has found that the relevant technologies at least have following technical problem:
Drive rod band pawl wraparound spindle central after the power for receiving power source rotates, the pawl one of such case
As require certain revolution length, therefore need to reserve rotary motion of the biggish space to avoid pawl in speed changer, lead
It causes halting mechanism occupancy speed changer space big, designs gearbox box and there is limitation.
Summary of the invention
The embodiment of the invention provides a kind of halting mechanism and automobiles, can solve above-mentioned technical problem.Specific technical solution
It is as follows:
On the one hand, the embodiment of the invention provides a kind of halting mechanism, the halting mechanism includes: power source, pawl, spine
Wheel and drive rod；
The drive rod includes sequentially connected first connecting rod and the second connecting rod；
The first connecting rod is connect with the power source, and the pawl center is provided in the axial direction with first through hole, described
Pawl is socketed in one end of second connecting rod by the first through hole, and mutually fixes with second connecting rod, described
The connecting cylinder being arranged on the second connecting rod other end and case of transmission is slidably connected；
The pawl is opposite with the ratchet to be arranged in parallel, and has tooth compatible with the tooth of the pawl on the ratchet
Slot；
Position sensor is set on the power source, and the position sensor and the pawl are electrically connected.
Optionally, the halting mechanism further includes elastic element, and the elastic element is sheathed in second connecting rod,
Described elastic element one end offsets with the pawl, and the other end offsets with the connecting cylinder on the case of transmission.
Optionally, the pawl outer wall radially offers the second through-hole, and second connecting rod is connect with described first
One end of bar connection has third through-hole compatible with second through-hole；
Pin is equipped in second through-hole and the third through-hole；
Second connecting rod is connect with the pawl by the pin.
Optionally, the halting mechanism further includes limiting bracket；
There is the first limit hole and the second limit hole, first limit hole and the pawl and institute on the limiting bracket
Position before stating ratchet engagement is opposite, and second limit hole is opposite with the position after the pawl and ratchet engagement, institute
State between first limit hole and second limit hole that pawl is located on the limiting bracket, and with the limiting bracket
It is slidably connected；
It is equipped with the first locating part in first limit hole, is equipped with the second locating part, the limit in second limit hole
Position bracket is detachably connected by first locating part, second locating part with the case of transmission.
Optionally, on the limiting bracket have U-shaped groove, the U-shaped groove be located at first locating part with it is described
Between second locating part, the corresponding tooth of the pawl is slidably connected with the U-shaped groove.
Optionally, be provided with sliding bar on the limiting bracket, the sliding bar be located at first locating part with it is described
Between second locating part, the pawl is slidably connected with the sliding bar.
Optionally, second connecting rod includes the first annular bar and the second circular rod of sequentially integrally connected, and described
The diameter of one circular rod is less than the diameter of second circular rod；
There is connecting hole compatible with the first annular bar, the aperture of the connecting hole is big on the first connecting rod
In the diameter of the first annular bar, the first annular rod set is set in the connecting hole；
The third through-hole is located on second circular rod, and the elastic element is sheathed on second circular rod.
Optionally, the power source and the first connecting rod are rigidly connected.
Optionally, the tooth on the pawl is multiple, is had on the ratchet compatible more with multiple teeth
A tooth socket.
On the other hand, the embodiment of the invention also provides a kind of automobile, which includes parking described in any of the above embodiments
Mechanism.
Technical solution bring beneficial effect provided in an embodiment of the present invention includes at least:
By setting pawl along the axial movement of ratchet, realization is put into gear, needs when avoiding pawl along ratchet radial displacement
Using the revolution longer pawl of length, the length of pawl is simplified, the space layout of halting mechanism has been simplified, and then reduces and stays
Occupied space of the mechanism of car in transmission case body；Meanwhile it being compounded by the collaboration of above-mentioned component, and then improve the whole of vehicle body
Body utilization efficiency, reduces production cost.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is halting mechanism structural schematic diagram provided in an embodiment of the present invention；
Fig. 2 is halting mechanism structural schematic diagram provided in an embodiment of the present invention；
Fig. 3 is structural schematic diagram when halting mechanism provided in an embodiment of the present invention is not put into gear；
Fig. 4 is structural schematic diagram when halting mechanism provided in an embodiment of the present invention is put into gear；
Fig. 5 is halting mechanism side schematic view provided in an embodiment of the present invention；
Fig. 6 is halting mechanism assembling structure schematic diagram provided in an embodiment of the present invention.
Appended drawing reference respectively indicates:
1- power source, 2- pawl, the second through-hole of 21-,
3- ratchet, 4- drive rod, 41- first connecting rod, the second connecting rod of 42-, 43- third through-hole,
5- elastic element, 6- case of transmission, 7- pin, 8- limiting bracket.
Specific embodiment
Unless otherwise defined, all technical terms used in the embodiment of the present invention all have usual with those skilled in the art
The identical meaning understood.To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to this hair
Bright embodiment is described in further detail.
On the one hand, the embodiment of the invention provides a kind of halting mechanisms, as shown in attached drawing 1 and attached drawing 2, the halting mechanism packet
It includes: power source 1, pawl 2, ratchet 3 and drive rod 4.
Drive rod 4 includes sequentially connected first connecting rod 41 and the second connecting rod 42.
First connecting rod 41 is connect with power source 1, and 2 center of pawl is provided in the axial direction with first through hole, and pawl 2 passes through first
Through-hole is socketed in one end of the second connecting rod 42, and fixes with 42 phase of the second connecting rod, 42 other end of the second connecting rod and speed change
The connecting cylinder opened up on device shell 6 is slidably connected.
Pawl 2 is opposite with ratchet 3 to be arranged in parallel, and has tooth socket compatible with the tooth on pawl 2 on ratchet 3.
Position sensor is set on power source 1, and position sensor and pawl 2 are electrically connected.
Halting mechanism provided in an embodiment of the present invention, as shown in Fig. 1, during hanging shelves, first connection of the driving of power source 1
Bar 41, pawl 2, the second connecting rod 42 are axially moved along to the direction of ratchet 3, pass through the second connecting rod 42 and case of transmission
Connecting cylinder on 6 is slidably connected, and the second connecting rod 42 can protrude into connecting cylinder, nibbles until pawl 2 is reached with the tooth socket of ratchet 3
The position of conjunction；The location information that pawl 2 is sensed by position sensor, when the tooth position on pawl 2 in the tooth socket of ratchet 3 with
When tooth socket engages, completion of putting into gear；When automobile unlock, first connecting rod 41, pawl 2, the second connecting rod are controlled by power source 1
42 axially move along the direction far from ratchet 3 is back to original position, and the tooth on pawl 2 is plucked far from the groove on ratchet 3, realization
Shelves.
Device provided in an embodiment of the present invention at least has following technical effect that
Halting mechanism provided in an embodiment of the present invention is axially moved by setting pawl 2 along ratchet 3, and the tooth on pawl 2 is made
It is engaged with the tooth socket of ratchet 3, realization is put into gear, and is needed when avoiding pawl 2 along 3 radial motion of ratchet using the longer pawl of length
2, the length of pawl 2 is simplified, the space layout of halting mechanism has been simplified, and then reduces halting mechanism in case of transmission 6
Interior occupied space；Meanwhile being compounded by the collaboration of above-mentioned component, the whole utilization efficiency of vehicle body is improved, production is reduced
Cost.
Optionally, power source 1 can be hydraulic cylinder, by the reciprocating motion of hydraulic cylinder, realize to drive rod 4 and push and draw
It stretches, the area occupied to halting mechanism can reduce using hydraulic cylinder, improve speed changer space service efficiency.
It is socketed in the second connecting rod 42 by opening up first through hole on pawl 2, and by pawl 2 by first through hole,
And it is fixed with the second connecting rod 42, so that pawl 2 is not shifted when being axially moved to ratchet 3, guarantee the stability put into gear with
Safety.
It can be and be detachably connected between pawl 2 and the second connecting rod 42, such as be threadedly coupled, can be in pawl 2
The internal screw thread being arranged in first through hole, the external screw thread being arranged in the second connecting rod 42；It is also possible to be arranged in first through hole
External screw thread, the internal screw thread being arranged in the second connecting rod 42.
It is understood that the depth for the connecting cylinder being arranged on case of transmission 6 can be engaged according to pawl 2 with ratchet 3
When specific required distance calculate in advance, when pawl 2 engage with ratchet 3, the another of the second connecting rod 42 is corrected and company
The cylinder bottom of connect cylinder offsets, and further realizes the limit to pawl 2.Second connecting rod 42 is slidably connected with connecting cylinder, exemplary, can
To be that the diameter of the second connecting rod 42 is less than the internal diameter of connecting cylinder, the second connecting rod 42 is sleeved in connecting cylinder；It is also possible to
The diameter of two connecting rods 42 is greater than the internal diameter of connecting cylinder, and the second connecting rod 42 is sleeved on connecting cylinder.Connecting cylinder can be setting
Cylindrical tube on case of transmission 6 can be integrally connected between connecting cylinder and case of transmission 6, for example, will design
The connecting cylinder of depth is welded on case of transmission 6, may be a detachable connection, for example, the connecting cylinder that will design depth
It is threaded on case of transmission 6.
Optionally, as shown in attached drawing 2, attached drawing 3, attached drawing 4 and attached drawing 6, halting mechanism further includes elastic element 5, elasticity member
Part 5 is sheathed in the second connecting rod 42, and 5 one end of elastic element offsets with pawl 2, the connection on the other end and case of transmission 6
Cylinder offsets.
Optionally, elastic element 5 can be leaf spring, helical spring, torsion-bar spring and rubber spring etc., when elastic member
When part 5 is leaf spring, leaf spring can be the intermediate doughnut-shaped steel plate spring for offering through-hole, and doughnut-shaped steel plate spring is straight
Diameter is greater than the diameter of first through hole, and doughnut-shaped steel plate spring passes through the second connecting rod 42 and offsets with pawl 2.When elastic element 5 is spiral shell
When revolving spring, helical spring is set in the second connecting rod 42, and the diameter of helical spring is greater than the diameter of first through hole, so as to
Realization offsets with pawl 2.When elastic element 5 is rubber spring, the rubber bullet being bonded in the second connecting rod 42 can be
Spring.
Optionally, when power source 1 is hydraulic cylinder, position sensor is integrated on hydraulic cylinder, passes through position sensor sense
Answer the position signal of pawl 2, the distance that control pawl 2 is axially moveable to ratchet 3.
Optionally, as shown in Fig. 2,2 outer wall of pawl connects radially with the second through-hole 21, the second connecting rod 42 and first
One end that extension bar 41 connects has third through-hole 43 compatible with the second through-hole 21.
Second through-hole 21 is interior equipped with pin 7 with third through-hole 43.
Second connecting rod 42 is connect with pawl 2 by pin 7.
The second through-hole 21 is radially opened up in the outer wall of pawl 2, is opened up in the second connecting rod 42 suitable with 21 phase of the second through-hole
The third through-hole 43 matched allows pin 7 to pass through the second through-hole 21 and connects the second connecting rod 42 with pawl 2 with third through-hole 43
It connects, guarantees that pawl 2 does not depart from the second connecting rod 42, keep the stability of pawl 2.Pawl 2 is connected by pin 7 to connect with second
Bar 42, it is ensured that when putting into gear, power source 1 push pawl 2 along towards the direction of ratchet 3 be axially moved when do not shift.
It is exemplary, pin 7 or the Elastip pin with certain elastic force.It is understood that the diameter of pin 7 is big
The small aperture with the second through-hole 21, third through-hole 43 is adapted.I.e. the diameter of pin 7 is not more than the second through-hole 21 and third through-hole
43 diameter guarantees that pin 7 can pass through company of second through-hole 21 with the realization of third through-hole 43 to pawl 2 and the second connecting rod 42
It connects.
Second through-hole 21, third through-hole 43 can be cylindrical through-hole, and it is irregular to be also possible to square, triangle etc.
The through-hole of shape, as an example, when the second through-hole 21, third through-hole 43 are cylindrical through-hole, pin 7 is cylinder
Pin 7, and diameter be less than above-mentioned cylinder through-hole；When the second through-hole 21, the through-hole that third through-hole 43 is irregular shape
When, pin 7 can be cylindrical pin 7, be also possible to the pin 7 of irregular shape, not advise as long as the diameter of pin 7 is less than
The then size of the through-hole of shape can extend into the through-hole of irregular shape.
Optionally, pin 7 can be multiple, exemplary, can be 2,3,4,5,6,7 etc..It can manage
Solution, when pin 7 is multiple, the second through-hole 21 is also possible to compatible multiple with third through-hole 43, shows as one kind
Example, when pin 7 is 3, the second through-hole 21 is also 3 with third through-hole 43.It is understood that pin 7, the second through-hole 21
With third through-hole 43 be it is multiple when, as long as second through-hole 21 corresponding with pin 7,43 1 groups of third through-hole of size are adapted
, the sizes of other each groups can be different from upper one group of size.
Optionally, as shown in attached drawing 2, attached drawing 3, attached drawing 4, attached drawing 5 and attached drawing 6, halting mechanism further includes limiting bracket 8；
There is the first limit hole and the second limit hole, before the first limit hole is engaged with pawl 2 and ratchet 3 on limiting bracket 8
Position it is opposite, the position after the second limit hole and pawl 2 and ratchet 3 engage is opposite, and pawl 2 is located at the on limiting bracket 8
Between one limit hole and the second limit hole, and it is slidably connected with limiting bracket 8；
It is equipped with the first locating part in first limit hole, is equipped with the second locating part in the second limit hole, limiting bracket 8 passes through the
One locating part is detachably connected with the second locating part and case of transmission 6.
The first limit hole and the second limit hole are offered on limiting bracket 8, the first limit hole is engaged with pawl 2 and ratchet 3
Preceding position is opposite, and the position after the second limit hole is engaged with pawl 2 and ratchet 3 is opposite.Pawl 2 is located on limiting bracket 8
Between first limit hole and the second limit hole, and it is slidably connected with limiting bracket 8.
It is equipped with the first locating part in first limit hole, is equipped with the second locating part in the second limit hole, limiting bracket 8 passes through the
One locating part is detachably connected with the second locating part and case of transmission 6.
It is detachably connected between limiting bracket 8 and case of transmission 6 by the first locating part, the second locating part, it is exemplary,
First limit hole and the second limit hole can be bolt hole, and the first locating part and the second locating part can be bolt, limiting bracket 8
It is connect by bolt with case of transmission 6.It is understood that when the first locating part is bolt, the aperture of the first limit hole
The diameter of bolt connected to it is adapted, and when the second locating part is bolt, the aperture of the second limit hole should also connect with it
The diameter of the bolt connect is adapted.
Pawl 2 is located between the first limit hole and the second limit hole of limiting bracket 8, and is slidably connected with limiting bracket 8,
Position after being engaged due to the second limit hole with pawl 2 and ratchet 3 is opposite, when pawl 2 moves to the one of the second limit hole
When end, pawl 2 is limited by the second locating part, limit pawl 2 further along the axial movement of ratchet 3, and then with ratchet 3
Engagement.When plucking grade, pawl 2 is moved along the direction far from ratchet 3, when pawl 2 moves to the position of the first locating part, due to the
Position before one locating part is engaged with pawl 2 with ratchet 3 is opposite, at this point, completing to pluck shelves.
Optionally, slideway is offered on limiting bracket 8, slideway is between the first locating part and the second locating part, pawl 2
It is slidably connected by slideway and limiting bracket 8.
Limiting bracket 8 can be the limited block of cuboid, open up the first limit hole and the second limit at the both ends of limited block
Hole, the first locating part pass through above-mentioned first limit hole with the second locating part and connect with the second limit hole with case of transmission 6, in turn
Pawl 2 is realized by the first locating part and the second locating part and is limited.It is also possible to open up slideway on limited block, 2, pawl
In in slideway, it is slidably connected with limiting bracket 8.
Exemplary, the one of pawl that can be on pawl 2 is located in above-mentioned slideway, is slidably connected with slideway, when putting into gear,
One end pawl 2 that pawl 2 moves to the second locating part in slideway is engaged with the tooth socket of ratchet 3, and realization is put into gear, when plucking grade, spine
Pawl 2 moves to one end of the first locating part in slideway, and shelves are plucked in realization.
In order to reduce the friction between pawl 2 and slideway, the size of slideway is adapted with the size of the pawl of pawl 2, meanwhile,
Lubricating oil can be added in slideway, reduce the friction between pawl 2 and slideway, and then reduce the abrasion between component.
Optionally, have U-shaped groove on limiting bracket 8, U-shaped groove be located at the first locating part and the second locating part it
Between, the corresponding tooth of pawl 2 offsets and is slidably connected with U-shaped groove.
The toothed portion of U-shaped groove and pawl 2 offsets, and limitation pawl 2 generates angle displacement around 4 center of drive rod, realizes suitable
Benefit hangs shelves, and guarantees that pawl 2 is opposite with the radial position of ratchet 3 after plucking gear.
Optionally, sliding bar is provided on limiting bracket 8, sliding bar between the first locating part and the second locating part,
Pawl 2 is slidably connected by sliding bar with limiting bracket 8.
2 sliding bar of pawl is slidably connected, exemplary, can be and opens up hole on pawl 2, and sliding bar is passed through above-mentioned hole
Pawl 2 is connect by hole with sliding bar, is also possible to open up sliding slot compatible with sliding bar on pawl 2, and sliding bar, which is located at, to be slided
In slot, pawl 2 is slided along sliding bar.Corresponding friction can be generated when sliding in view of pawl 2 along sliding bar, on pawl 2
The size of the sliding slot opened up is adapted with the size of sliding bar, while guaranteeing not departing from sliding bar when pawl 2 moves, is subtracted as far as possible
Few friction.Lubricating oil can also be wiped on pawl 2, reduce the friction between component.
It keep indulging between pawl 2 and the tooth socket of ratchet 3 when it is understood that pawl 2 and limiting bracket 8 being connected
To apart from constant, engaging between pawl 2 and 3 tooth socket of ratchet is not influenced.
It is understood that limiting bracket 8 while fixed pawl 2, can also be further ensured that pawl 2 to ratchet
It can accurately be meshed with the tooth socket of ratchet 3 when 3 movement, by the common cooperation of limiting bracket 8 and position sensor, guarantee
The safety and stability of halting mechanism operation.
Optionally, the second connecting rod 42 includes the first annular bar and the second circular rod of sequentially integrally connected, first annular
Diameter of the diameter of bar less than the second circular rod.
There is connecting hole compatible with first annular bar, the aperture of connecting hole is greater than first annular on first connecting rod 41
The diameter of bar, first annular rod set are set in connecting hole.
Third through-hole 43 is located on the second circular rod, and elastic element 5 is sheathed on the second circular rod.
First connecting rod 41 can be with first annular bar and be detachably connected, exemplary, can be and opens up in connecting hole
Internal screw thread, open up external screw thread on first annular bar, above-mentioned internal screw thread is connect with external screw thread；It is also possible to open up in connecting hole
External screw thread, open up internal screw thread on first annular bar, above-mentioned internal screw thread is connect with external screw thread.
Elastic element 5 is set on the second circular rod, and third through-hole 43 is located on the second circular rod, with 2 outer wall edge of pawl
The second through-hole 21 connection radially opened up.The outer diameter of second circular rod is less than the internal diameter of elastic element 5, facilitates 5 sets of elastic element
On the second circular rod.
Optionally, power source 1 and first connecting rod 41 are rigidly connected.
Exemplary, power source 1 and first connecting rod 41 are welded to connect, and are also possible to the integrally connected by the way of punching press,
Using the processing method of punching press, the processing method of halting mechanism components is improved, makes auto parts and components simplification, is conducive to stay
The space layout and light-weight design of mechanism of car.
Optionally, as shown in attached drawing 5 and attached drawing 6, tooth on pawl 2 be it is multiple, have on ratchet 3 and be adapted with multiple teeth
Multiple tooth sockets.
Under the conditions of same parking, multiple tooth fit structure is turned round relative to the receiving that monodentate cooperation can reduce single tooth
Square simplifies the size of halting mechanism part provided in an embodiment of the present invention to rationally reduce the size of ratchet 3, pawl 2,
Be conducive to space layout, lightweight and improve part processing method, such as stamping parts is changed to by casting, is also beneficial to reduce
Cost.The tooth of above-mentioned pawl 2, that is, meaning of embodiment of the present invention tooth.Exemplary, the tooth on pawl 2 can be 2,3,4
It is a etc., when the tooth on pawl 2 is multiple, tooth socket compatible with the tooth on pawl 2 is offered on ratchet 3.
The embodiment of the invention also provides a kind of automobile, which includes the above-mentioned any one halting mechanism referred to.
All the above alternatives can form the alternative embodiment of the disclosure, herein no longer using any combination
It repeats one by one.
The above is only illustrative embodiments of the invention, the protection scope being not intended to limit the invention is all in the present invention
Spirit and principle within, any modification, equivalent replacement, improvement and so on, should be included in protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of halting mechanism, which is characterized in that the halting mechanism includes: power source (1), pawl (2), ratchet (3) and drives
Lever (4)；
The drive rod (4) includes sequentially connected first connecting rod (41) and the second connecting rod (42)；
The first connecting rod (41) connect with the power source (1), and it is logical that pawl (2) center is provided in the axial direction with first
Hole, the pawl (2) is socketed in one end of second connecting rod (42) by the first through hole, and connect with described second
Bar (42) is mutually fixed, and the second connecting rod (42) other end is slidably connected with the connecting cylinder on case of transmission (6)；
The pawl (2) is opposite with the ratchet (3) to be arranged in parallel, and has the tooth phase with the pawl (2) on the ratchet (3)
The tooth socket of adaptation；
Position sensor is set on the power source (1), and the position sensor and the pawl (2) are electrically connected.
2. halting mechanism according to claim 1, which is characterized in that the halting mechanism further includes elastic element (5), institute
Elastic element (5) to be stated to be sheathed on second connecting rod (42), described elastic element (5) one end offsets with the pawl (2),
The other end offsets with the connecting cylinder on the case of transmission (6).
3. halting mechanism according to claim 1, which is characterized in that pawl (2) outer wall is logical radially with second
Hole (21), one end that second connecting rod (42) connect with the first connecting rod (41) have and second through-hole (21)
Compatible third through-hole (43)；Pin (7) are equipped in second through-hole (21) and the third through-hole (43)；Described second
Connecting rod (42) is connect with the pawl (2) by the pin (7).
4. halting mechanism according to claim 1, which is characterized in that the halting mechanism further includes limiting bracket (8)；
Offer the first limit hole and the second limit hole on the limiting bracket (8), first limit hole and the pawl (2)
It is opposite with the position before the ratchet (3) engagement, after second limit hole is engaged with the pawl (2) and the ratchet (3)
Position it is opposite, the pawl (2) be located at first limit hole on the limiting bracket (8) and second limit hole it
Between, and be slidably connected with the limiting bracket (8)；
It is equipped with the first locating part in first limit hole, the second locating part, the limit branch are equipped in second limit hole
Frame (8) is detachably connected by first locating part, second locating part with the case of transmission (6).
5. halting mechanism according to claim 4, which is characterized in that have U-shaped groove, institute on the limiting bracket (8)
U-shaped groove is stated between first locating part and second locating part, the corresponding tooth of the pawl (2) with it is described
U-shaped groove is slidably connected.
6. halting mechanism according to claim 4, which is characterized in that be provided with sliding bar on the limiting bracket (8), institute
Sliding bar is stated between first locating part and second locating part, the pawl (2) and sliding bar sliding connect
It connects.
7. halting mechanism according to claim 1, which is characterized in that second connecting rod (42) includes sequentially integrally connecting
The first annular bar and the second circular rod connect, the diameter of the first annular bar are less than the diameter of second circular rod；It is described
There is connecting hole compatible with the first annular bar, the aperture of the connecting hole is greater than described the on first connecting rod (41)
The diameter of one circular rod, the first annular rod set are set in the connecting hole；The third through-hole (43) is located at described second
On circular rod, the elastic element (5) is sheathed on second circular rod.
8. halting mechanism according to claim 1, which is characterized in that the power source (1) and the first connecting rod
(41) it is rigidly connected.
9. halting mechanism according to claim 1-8, which is characterized in that the tooth on the pawl (2) is
It is multiple, there are multiple tooth sockets compatible with multiple teeth on the ratchet (3).
10. a kind of automobile, which is characterized in that the automobile includes the described in any item halting mechanisms of claim 1-9.
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| CN201811286108.6A CN109139906B (en) | 2018-10-31 | 2018-10-31 | Parking mechanism and car |
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| CN201811286108.6A CN109139906B (en) | 2018-10-31 | 2018-10-31 | Parking mechanism and car |
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| CN109139906B CN109139906B (en) | 2020-05-08 |
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| WO2022037742A1 (en) * | 2020-08-17 | 2022-02-24 | Schaeffler Technologies AG & Co. KG | Parking lock |
| WO2022037741A1 (en) * | 2020-08-17 | 2022-02-24 | Schaeffler Technologies AG & Co. KG | Parking lock |
| CN114610118A (en) * | 2022-03-21 | 2022-06-10 | 广东长盈精密技术有限公司 | Intelligent foldable electronic equipment |
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|---|---|
| CN109139906B (en) | 2020-05-08 |
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