CN207740454U - Halting mechanism and speed changer - Google Patents
Halting mechanism and speed changer Download PDFInfo
- Publication number
- CN207740454U CN207740454U CN201721927356.5U CN201721927356U CN207740454U CN 207740454 U CN207740454 U CN 207740454U CN 201721927356 U CN201721927356 U CN 201721927356U CN 207740454 U CN207740454 U CN 207740454U
- Authority
- CN
- China
- Prior art keywords
- parking
- piston
- pushing block
- brake pawl
- piston rod
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model provides a kind of halting mechanism and speed changer, is related to Vehicle Engineering technical field, the halting mechanism, including hydraulic drive mechanism, brake pawl and detent pin.The hydraulic drive mechanism includes plunger shaft, and the piston rod in the plunger shaft, the both ends of the piston rod are respectively arranged with first piston and second piston, the inner wall of end of the plunger shaft of the outer end face of the first piston corresponding thereto forms first pressure room, and the inner wall of end of the plunger shaft of the outer end face of the second piston corresponding thereto forms second pressure room；It is socketed with torsionspring in the detent pin；The upper cover of piston rod is equipped with parking pushing block, and the parking pushing block is correspondingly arranged on guiding surface on the tail end of the brake pawl；The head end of the brake pawl is provided with hook portion, and the hook portion is used for when the brake pawl is rotated towards the parking ratchet wheel direction, into the groove on the parking ratchet wheel, the brake wheel is prevented to rotate.
Description
Technical field
The utility model is related to Vehicle Engineering technical fields, more particularly, to a kind of halting mechanism and speed changer.
Background technology
The parking control mechanism of the automatic catch automobile of knob shift at present exports electric signal generally by driver's cabin knob, passes
It is handed to motor-driven mechanism, gear switch is realized by motor driving shift of transmission axis.
And motor-driven mechanism is mounted in outside speed changer, and the sky of excessive enging cabin is occupied so as to cause speed changer
Between.
Utility model content
The purpose of this utility model is to provide a kind of halting mechanism and speed changers, are occupied with alleviating existing speed changer
The technical issues of space of excessive enging cabin.
Halting mechanism provided by the utility model, including：Hydraulic drive mechanism, brake pawl and detent pin, the hydraulic pressure
Driving mechanism and detent pin are fixed in transmission case body, and the brake pawl is threaded through in the detent pin, so that the system
Pawl can be rotated around the detent pin；
The hydraulic drive mechanism includes plunger shaft, and the piston rod in the plunger shaft, the piston rod
Both ends are respectively arranged with first piston and second piston, in the end of the plunger shaft of the outer end face of the first piston corresponding thereto
Wall forms first pressure room, and the inner wall of end of the plunger shaft of the outer end face of the second piston corresponding thereto forms second pressure
Room drives the piston rod long along the plunger shaft so that after the first pressure room or second pressure room are passed through hydraulic oil
Spend direction movement；
Torsionspring is socketed in the detent pin, one end of the torsionspring is fixed on case of transmission, another
End is connected on the brake pawl, so that the tail end of the brake pawl abuts on the piston rod；
The upper cover of piston rod is equipped with parking pushing block, and the parking pushing block is correspondingly arranged on the tail end of the brake pawl
There is guiding surface, so that when the braking pushing block is moved to the tail end direction of the brake pawl, the brake pawl
Tail end moved on the parking pushing block along the guiding surface, drive the head end of the brake pawl to turn towards parking ratchet wheel
It is dynamic；The head end of the brake pawl is provided with hook portion, and the hook portion is used in the brake pawl towards the parking ratchet wheel direction
When rotation, into the groove on the parking ratchet wheel, the brake wheel is prevented to rotate.
Further, from the first pressure room to second pressure room direction, the piston rod includes first successively
Section, second segment, third section and the 4th section, and the diameter of the third section is more than the diameter of the second segment, the second segment
Diameter is more than the diameter of the first segment, and the 4th section of the diameter is less than the diameter of the third section；
The first piston is set on first segment, so that after the first segment screws in nut, the first piston clamping
Between the nut and the end face of second segment；
The second piston is set on the 4th section, so that after described 4th section screws in nut, the second piston clamping
Between the nut and the end face of third section；
The parking pushing block is set on second segment.
Further, it is provided with preloading spring between the parking pushing block and the first piston, so that the parking pushes away
Block is connected on the end face of the third section.
Further, the halting mechanism includes unlocking mechanism, and the unlocking mechanism includes manual end and connection structure, institute
It states manual end to connect with the connection structure, the 4th section of end face of the connection structure and the piston rod is connect, the manual control end
For driving the piston rod for linear motion by the connection structure.
Further, the manual end includes turning handle and shaft, and the connection structure includes and the 4th section of the piston rod
The connecting rod of end face connection；
The shaft is fixed on the case of transmission, and the turning handle is socketed in the shaft, is set on the turning handle
Be equipped with L-type interconnecting piece, the connecting rod towards being provided with backstop slot on the lateral wall of turning handle, the L-type connecting portion in it is described only
In retaining groove, so that the turning handle drives the connecting rods moving at streight line when rotating.
Further, the hydraulic drive mechanism includes detent mechanism, and the location structure is used in the first pressure
When there is no oil pressure in room and second pressure room, the parking pushing block is prevented to move.
Further, the detent mechanism includes the holding tank being set on the outside of the parking pushing block, in the holding tank
It is provided with locating piece, resetting spring is provided between the locating piece and the holding tank, the locating piece is backwards to the reset
The side of spring is provided with positioning protrusion；The first positioning corresponding with the locating piece is provided on the outer wall of the parking pushing block
Slot and the second locating slot prevent the work so that after the positioning protrusion is located at first locating slot or the second locating slot
Stopper rod moves.
Further, the positioning protrusion is hemispherical.
Further, the parking pushing block is correspondingly arranged on parking inclined-plane on the tail end of the brake pawl, described to stay
Vehicle inclined-plane is connect with guiding surface, and the parking inclined-plane is less than the guiding relative to the angle of inclination of piston rod length direction
The angle of inclination on inclined-plane, so that after the parking pushing block is moved towards the brake pawl tail end, the guiding surface of the two detaches, institute
The parking inclined-plane for stating parking pushing block is connected on the parking inclined-plane of the brake pawl.
Speed changer provided by the utility model, including above-mentioned halting mechanism.
A kind of halting mechanism and speed changer provided by the utility model, halting mechanism include hydraulic drive mechanism, braking spine
Pawl and detent pin, hydraulic drive mechanism and detent pin are fixed in transmission case body, are not take up the space outside case of transmission,
Brake pawl is threaded through in the detent pin, and brake pawl can be rotated around the detent pin.Hydraulic drive mechanism includes piston
Chamber, and the piston rod in the plunger shaft, the both ends of piston rod are respectively arranged with first piston and second piston, and first
The inner wall of end of the plunger shaft of the outer end face of piston corresponding thereto forms first pressure room, the outer end face of the second piston and its
The inner wall of end of opposite plunger shaft forms second pressure room, after first pressure room or second pressure room are passed through hydraulic oil,
The piston rod is driven to be moved along the piston chamber length direction.Torsionspring is socketed in detent pin, the torsionspring
One end is fixed on case of transmission, and the other end is connected on the brake pawl, and the tail end of the brake pawl can be made to support
It connects on the piston rod.Upper cover of piston rod is equipped with parking pushing block, and the parking pushing block is corresponding on the tail end of the brake pawl to be set
It is equipped with guiding surface, when hydraulic oil is poured in first pressure room, parking pushing block will be moved to brake pawl direction, when second pressure room
When pouring hydraulic oil, parking pushing block will be moved to principle brake pawl tail end direction.Therefore, when the braking pushing block is to the system
When the tail end direction movement of pawl, the tail end of brake pawl is moved upwards along the guiding surface moves to the parking
On pushing block, according to lever principle, the head end of the brake pawl will be driven to be rotated towards parking ratchet wheel, set in the head end of brake pawl
It is equipped with hook portion, when the brake pawl is rotated towards the parking ratchet wheel direction, hook portion enters the groove on the parking ratchet wheel
It is interior, it prevents the brake wheel from rotating, is kept off at this time for P, achieve the purpose that parking, conversely, hook portion is detached from groove, it is at this time non-P
Gear.By above-mentioned structure, the overall volume of speed changer can be made to reduce, keep speed changer matching engine freer.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is the schematic diagram for the halting mechanism that the utility model embodiment provides；
Fig. 2 is the sectional view in the halting mechanism left view direction that the utility model embodiment provides；
Fig. 3 is the partial enlarged view of location A in Fig. 2；
Fig. 4 is the sectional view for the halting mechanism overlook direction that the utility model embodiment provides；
Fig. 5 is the partial enlarged view of B location in Fig. 4.
Icon：100- hydraulic drive mechanisms；110- piston rods；120- first pressures room；130- second pressures room；140- is stayed
Vehicle pushing block；210- brake pawls；220- detent pins；300- preloading springs；400- unlocking mechanisms；410- turning handles；420- shafts；
430-L type interconnecting pieces；510- locating pieces；520- resetting springs.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
In the description of the present invention, it should be noted that such as occur term "center", "upper", "lower", " left side ",
The orientation or positional relationship on " right side ", "vertical", "horizontal", "inner", "outside" etc., instruction is orientation based on ... shown in the drawings or position
Relationship is set, is merely for convenience of describing the present invention and simplifying the description, device or element are not indicated or implied the indicated
It must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.This
Outside, such as there is term " first ", " second ", " third " are used for description purposes only, be not understood to indicate or imply relatively heavy
The property wanted.
As shown in Figs. 1-3, halting mechanism provided by the utility model, halting mechanism include hydraulic drive mechanism 100, braking
Pawl 210 and detent pin 220, hydraulic drive mechanism 100 and detent pin 220 are fixed in transmission case body, are not take up speed changer
The space of hull outside, brake pawl 210 are threaded through in the detent pin 220, and brake pawl 210 can be around the detent pin
220 rotations.Hydraulic drive mechanism 100 includes plunger shaft, and the piston rod 110 in the plunger shaft, piston rod 110
Both ends are respectively arranged with first piston and second piston, the inner wall of end shape of the plunger shaft of the outer end face of first piston corresponding thereto
At first pressure room 120, the inner wall of end of the plunger shaft of the outer end face of the second piston corresponding thereto forms second pressure room
130, after first pressure room 120 or second pressure room 130 are passed through hydraulic oil, drive the piston rod 110 along the piston
Cavity length direction moves.Torsionspring is socketed in detent pin 220, one end of the torsionspring is fixed on case of transmission
On, the other end is connected on the brake pawl 210, and the tail end of the brake pawl 210 can be made to be connected to piston rod 110
On.Parking pushing block 140 is arranged on piston rod 110, the parking pushing block 140 is corresponding on the tail end of the brake pawl 210
It is provided with guiding surface, when hydraulic oil is poured in first pressure room 120, parking pushing block 140 will be moved to 210 direction of brake pawl,
When hydraulic oil is poured in second pressure room 130, parking pushing block 140 will be moved to 210 tail end direction of principle brake pawl.Therefore,
When the braking pushing block is moved to the tail end direction of the brake pawl 210, the tail end of brake pawl 210 is led described in
It moves upwards and is moved on the parking pushing block 140 to inclined-plane, according to lever principle, the head of the brake pawl 210 will be driven
End is rotated towards parking ratchet wheel, and the head end of brake pawl 210 is provided with hook portion, in the brake pawl 210 towards the parking spine
When taking turns direction rotation, hook portion enters in the groove on the parking ratchet wheel, and the brake wheel is prevented to rotate, and keeps off, reaches for P at this time
To the purpose of parking, conversely, hook portion is detached from groove, kept off at this time for non-P.By above-mentioned structure, the entirety of speed changer can be made
Volume-diminished keeps speed changer matching engine freer.
By moving left and right for piston rod 110, the movement of parking pushing block 140, parking pushing block 140 can be driven to push braking
Pawl 210 promotes the tail end of brake pawl 210, so as to so that the hook portion of brake pawl 210 is transferred to the recessed of parking ratchet wheel
In slot, locked action is completed.
From the first pressure room 120 to 130 direction of second pressure room, piston rod 110 may include first successively
Section, second segment, third section and the 4th section, and the diameter of the third section is more than the diameter of the second segment, the second segment
Diameter is more than the diameter of the first segment, and the 4th section of the diameter is less than the diameter of the third section.First piston is set in
On first segment, nut is screwed in the first segment, first piston is clamped between the nut and the end face of second segment, completes the
The fixation of one piston.Similarly, second piston is set on the 4th section, and after screwing in nut at the 4th section, second piston is clamped in spiral shell
Between the female and end face of third section.The parking pushing block 140 is set on second segment.
As illustrated in figures 4-5, further, preloading spring 300 is provided between parking pushing block 140 and the first piston,
The parking pushing block 140 can be made to be connected on the end face of the third section.When parking pushing block 140 pushes brake pawl 210
When tail end, if at this point, the hook portion of brake pawl 210 is just beaten in the protrusion between two grooves of parking ratchet wheel, bullet is pre-tightened
Spring 300 will be compressed, and be just groove, preloading spring 300 when parking ratchet wheel turns over a suitable angle again, below hook portion
Elastic force is discharged, the tail end of brake ratchet will be continued to press on, completes locked action.
100 failure of hydraulic drive mechanism in order to prevent, halting mechanism can not normal use, halting mechanism may include unlock
Mechanism 400, unlocking mechanism 400 may include manual end and connection structure, and the manual control end is connect with the connection structure, described
The 4th section of end face of connection structure and the piston rod 110 is connect, and the manual control end is used for by described in connection structure drive
Piston rod 110 is for linear motion.By above-mentioned mechanical mechanism, the movement of piston rod 110 is manually controlled, the adaptation of product is more preferable.
Specifically, manual end may include turning handle 410 and shaft 420, the connection structure includes and the piston rod 110
The connecting rod of 4th section of end face connection.Shaft 420 is fixed on the case of transmission, and turning handle 410 is socketed in the shaft 420
On, it is provided with L-type interconnecting piece 430 on turning handle 410, connecting rod is towards being provided with backstop slot, the L-type on the lateral wall of turning handle 410
Interconnecting piece 430 is located in the backstop slot, and the rotation of turning handle 410 will drive L-type interconnecting piece 430 to rotate, and L-type interconnecting piece 430 is forward
Or link motion is driven backward, drive the connecting rods moving at streight line when turning handle 410 can be made to rotate.
Hydraulic drive mechanism 100 includes detent mechanism, and the location structure is used in the first pressure room 120 and second
When there is no oil pressure in balancing gate pit 130, the parking pushing block 140 is prevented to move.
Specifically, detent mechanism may include the holding tank for being set to 140 outside of parking pushing block, it is fixed to be provided in holding tank
Position block 510 is provided with resetting spring 520 between the locating piece 510 and the holding tank, the locating piece 510 is backwards to described
The side of resetting spring 520 is provided with positioning protrusion.It is provided on the outer wall of parking pushing block 140 corresponding with the locating piece 510
The first locating slot and the second locating slot.The balancing gate pits Liang Ge there all are not pressure, and piston rod 110 is positioned by detent mechanism at this time.For example,
When arriving " non-P " shift as " P ", left balancing gate pit's punching oil, the spring force of oil pressure counter resetting spring 520 pushes piston rod 110 to the left
Mobile, until being pushed into next locating slot of parking pushing block 140, gear is " non-P " shelves at this time.Left balancing gate pit's oil pressure draining,
The position of piston rod 110 when keeping " non-P " file location by spring.
In order to keep location structure action more smooth, the shape of the positioning protrusion can be hemispherical.
When in order to make in P gears, brake ratchet is more stablized, on the tail end of parking pushing block 140 and the brake pawl 210
It can be correspondingly arranged on parking inclined-plane, the parking inclined-plane is connect with guiding surface, and the parking inclined-plane is relative to piston rod
The angle of inclination of 110 length directions is less than the angle of inclination of the guiding surface, when the parking pushing block 140 is towards the braking spine
After the movement of 210 tail end of pawl, the guiding surface of the two detaches, and the parking inclined-plane of parking pushing block 140 is connected to the brake pawl 210
Parking inclined-plane on, the angle of inclination on parking inclined-plane is small, and what brake pawl 210 can be stablized rests on parking pushing block 140, right
The thrust of parking pushing block 140 reduces.
In conclusion halting mechanism provided by the utility model, halting mechanism includes hydraulic drive mechanism 100, braking spine
Pawl 210 and detent pin 220, hydraulic drive mechanism 100 and detent pin 220 are fixed in transmission case body, are not take up transmission case
Space outside body, brake pawl 210 are threaded through in the detent pin 220, and brake pawl 210 can be around the detent pin 220
Rotation.Hydraulic drive mechanism 100 includes plunger shaft, and the piston rod 110 in the plunger shaft, and the two of piston rod 110
End is respectively arranged with first piston and second piston, and the inner wall of end of the plunger shaft of the outer end face of first piston corresponding thereto is formed
The inner wall of end of first pressure room 120, the plunger shaft of the outer end face of the second piston corresponding thereto forms second pressure room
130, after first pressure room 120 or second pressure room 130 are passed through hydraulic oil, drive the piston rod 110 along the piston
Cavity length direction moves.Torsionspring is socketed in detent pin 220, one end of the torsionspring is fixed on case of transmission
On, the other end is connected on the brake pawl 210, and the tail end of the brake pawl 210 can be made to be connected to piston rod 110
On.Parking pushing block 140 is arranged on piston rod 110, the parking pushing block 140 is corresponding on the tail end of the brake pawl 210
It is provided with guiding surface, when hydraulic oil is poured in first pressure room 120, parking pushing block 140 will be moved to 210 direction of brake pawl,
When hydraulic oil is poured in second pressure room 130, parking pushing block 140 will be moved to 210 tail end direction of principle brake pawl.Therefore,
When the braking pushing block is moved to the tail end direction of the brake pawl 210, the tail end of brake pawl 210 is led described in
It moves upwards and is moved on the parking pushing block 140 to inclined-plane, according to lever principle, the head of the brake pawl 210 will be driven
End is rotated towards parking ratchet wheel, and the head end of brake pawl 210 is provided with hook portion, in the brake pawl 210 towards the parking spine
When taking turns direction rotation, hook portion enters in the groove on the parking ratchet wheel, and the brake wheel is prevented to rotate, and keeps off, reaches for P at this time
To the purpose of parking, conversely, hook portion is detached from groove, kept off at this time for non-P.By above-mentioned structure, the entirety of speed changer can be made
Volume-diminished keeps speed changer matching engine freer.
Speed changer provided by the utility model, including above-mentioned halting mechanism.The utility model embodiment is driven using hydraulic pressure
Motivation structure 100 replaces traditional motor-driven mechanism.Therefore, cancel external motor driving mechanism to account for reduce speed changer
With the space of enging cabin, keep speed changer matching engine freer.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of halting mechanism, which is characterized in that including：Hydraulic drive mechanism, brake pawl and detent pin, the hydraulic-driven
Mechanism and detent pin are fixed in transmission case body, and the brake pawl is threaded through in the detent pin, so that the braking spine
Pawl can be rotated around the detent pin；
The hydraulic drive mechanism includes plunger shaft, and the piston rod in the plunger shaft, the both ends of the piston rod
It is respectively arranged with first piston and second piston, the inner wall of end shape of the plunger shaft of the outer end face of the first piston corresponding thereto
At first pressure room, the inner wall of end of the plunger shaft of the outer end face of the second piston corresponding thereto forms second pressure room, with
After so that the first pressure room or second pressure room is passed through hydraulic oil, drive the piston rod along the piston chamber length direction
Movement；
Torsionspring is socketed in the detent pin, one end of the torsionspring is fixed on case of transmission, and the other end supports
It is connected on the brake pawl, so that the tail end of the brake pawl abuts on the piston rod；
The upper cover of piston rod is equipped with parking pushing block, and the parking pushing block is led with being correspondingly arranged on the tail end of the brake pawl
To inclined-plane, so that when the braking pushing block is moved to the tail end direction of the brake pawl, the tail of the brake pawl
End is moved to along the guiding surface on the parking pushing block, and the head end of the brake pawl is driven to be rotated towards parking ratchet wheel；Institute
The head end for stating brake pawl is provided with hook portion, and the hook portion in the brake pawl towards the parking ratchet wheel direction for rotating
When, into the groove on the parking ratchet wheel, the brake wheel is prevented to rotate.
2. halting mechanism according to claim 1, which is characterized in where from the first pressure room to second pressure room
Direction, the piston rod is successively including first segment, second segment, third section and the 4th section, and the diameter of the third section is more than institute
The diameter of second segment is stated, the diameter of the second segment is more than the diameter of the first segment, and the 4th section of the diameter is less than described
The diameter of third section；
The first piston is set on first segment, so that after the first segment screws in nut, the first piston is clamped in institute
It states between nut and the end face of second segment；
The second piston is set on the 4th section, so that after described 4th section screws in nut, the second piston is clamped in institute
It states between nut and the end face of third section；
The parking pushing block is set on second segment.
3. halting mechanism according to claim 2, which is characterized in that set between the parking pushing block and the first piston
It is equipped with preloading spring, so that the parking pushing block is connected on the end face of the third section.
4. halting mechanism according to claim 3, which is characterized in that the halting mechanism includes unlocking mechanism, the solution
Latch mechanism includes manual end and connection structure, and the manual control end is connect with the connection structure, the connection structure and the work
The 4th section of end face connection of stopper rod, the manual control end are used to drive the piston rod for linear motion by the connection structure.
5. halting mechanism according to claim 4, which is characterized in that the manual control end includes turning handle and shaft, the company
Binding structure includes the connecting rod being connect with the 4th section of end face of the piston rod；
The shaft is fixed on the case of transmission, and the turning handle is socketed in the shaft, and L is provided on the turning handle
Type interconnecting piece, the connecting rod is towards backstop slot is provided on the lateral wall of turning handle, and the L-type connecting portion is in the backstop slot
It is interior, so that the turning handle drives the connecting rods moving at streight line when rotating.
6. halting mechanism according to claim 5, which is characterized in that the hydraulic drive mechanism includes detent mechanism, institute
Location structure is stated for when not having oil pressure in the first pressure room and second pressure room, the parking pushing block being prevented to move.
7. halting mechanism according to claim 6, which is characterized in that the detent mechanism includes being set to the parking to push away
Holding tank on the outside of block is provided with locating piece in the holding tank, reset is provided between the locating piece and the holding tank
Spring, the locating piece are provided with positioning protrusion backwards to the side of the resetting spring；It is arranged on the outer wall of the parking pushing block
There are the first locating slot corresponding with the locating piece and the second locating slot, so that the positioning protrusion is located at first locating slot
Or second after locating slot, prevents the piston rod movement.
8. halting mechanism according to claim 7, which is characterized in that the positioning protrusion is hemispherical.
9. halting mechanism according to claim 1, which is characterized in that the tail end of the parking pushing block and the brake pawl
On be correspondingly arranged on parking inclined-plane, the parking inclined-plane is connect with guiding surface, and the parking inclined-plane is long relative to piston rod
The angle of inclination for spending direction is less than the angle of inclination of the guiding surface, so that the parking pushing block is towards the brake pawl tail end
After movement, the guiding surface of the two detaches, and the parking inclined-plane of the parking pushing block is connected to the parking inclined-plane of the brake pawl
On.
10. a kind of speed changer, which is characterized in that including halting mechanism described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721927356.5U CN207740454U (en) | 2017-12-30 | 2017-12-30 | Halting mechanism and speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721927356.5U CN207740454U (en) | 2017-12-30 | 2017-12-30 | Halting mechanism and speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207740454U true CN207740454U (en) | 2018-08-17 |
Family
ID=63121254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721927356.5U Withdrawn - After Issue CN207740454U (en) | 2017-12-30 | 2017-12-30 | Halting mechanism and speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207740454U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989996A (en) * | 2017-12-30 | 2018-05-04 | 盛瑞传动股份有限公司 | Halting mechanism and speed changer |
| CN112683658A (en) * | 2020-12-02 | 2021-04-20 | 浙江工业大学 | Friction head clamping device installed on friction testing machine |
-
2017
- 2017-12-30 CN CN201721927356.5U patent/CN207740454U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989996A (en) * | 2017-12-30 | 2018-05-04 | 盛瑞传动股份有限公司 | Halting mechanism and speed changer |
| CN107989996B (en) * | 2017-12-30 | 2023-08-08 | 盛瑞传动股份有限公司 | Parking mechanism and transmission |
| CN112683658A (en) * | 2020-12-02 | 2021-04-20 | 浙江工业大学 | Friction head clamping device installed on friction testing machine |
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