CN208535144U - A kind of electronic parking mechanism of longitudinal automatic transmission - Google Patents
A kind of electronic parking mechanism of longitudinal automatic transmission Download PDFInfo
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- CN208535144U CN208535144U CN201820925177.6U CN201820925177U CN208535144U CN 208535144 U CN208535144 U CN 208535144U CN 201820925177 U CN201820925177 U CN 201820925177U CN 208535144 U CN208535144 U CN 208535144U
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- pull rod
- parking
- pushing block
- pawl
- lead screw
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Abstract
The utility model relates to a kind of electronic parking mechanisms of longitudinal automatic transmission, wherein lead screw is divided into opposite two sections of hand of spiral, the upper set of each section of lead screw is equipped with screw thread pushing block, and the both ends of lead screw are mounted on case of transmission by bushing, and one end of lead screw is connect with parking motor；Pull rod pushing block is set on pull rod, and one end of pull rod pushing block is connected on two screw thread pushing blocks by two connecting rods, and the other end and pull rod shaft shoulder grafting touch；Spring is nested on pull rod, and one end is resisted against on the parking pin being nested on pull rod, and the other end is resisted against on the pull rod shaft shoulder, and connecting rod and pull rod pushing block and screw thread pushing block pass through rivet interlacement and constitute hinged revolute pair, and the other end of pull rod is equipped with limit and hooks.The utility model has the advantages that simple structure, high reliablity and parking power of motor are small.
Description
Technical field
The invention belongs to technical field of automobile transmission, and in particular to a kind of electronic parking mechanism of longitudinal automatic transmission.
Background technique
Currently, the longitudinal automatic transmission being mainly used on the passenger car of middle and high end is just gradually to automatic electronic and Gao Ke
Develop by property direction, important safety part of the parking control mechanism as speed changer, under the premise of meeting high reliability, electronics is certainly
Dynamicization can be obviously improved the competitiveness of transmission power assembly, while the longitudinal space of longitudinal automatic transmission is larger, in
Mechanism of car design provides biggish design space.
The electronic parking structure of common automatic gearbox is divided into hydraulic electronic halting mechanism and motor electronic parking
Mechanism two major classes.Wherein hydraulic electronic parking structure is mainly used in advanced since structure is complicated, technical difficulty is high, at high cost
The automatic transmission of car；It is automatic to be widely used in general car since technical maturity is high, cost is relatively low for motor electronic parking
The automatic parking device of speed changer.Such as: the patent of Publication No. CN201723694U discloses one kind and becomes automatically for automobile
Fast device electrical control hydraulic parking braking mechanism, the disadvantage is that wherein hydraulic brake valve and solenoid valve are multiple in control technology difficulty height, structure
Miscellaneous, higher cost；The patent of Publication No. CN201777231U discloses a kind of double-clutch type braking speed changer parking braking
Mechanism, the disadvantage is that needing that manual hand manipulation's halting mechanism, the degree of automation be not high and feel is poor, also because limiting without pawl
Mechanism leads to pawl swing and parking ratchet wheel interference and collision when jolting road conditions, reduces reliability.
Summary of the invention
The purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of electronic parking of longitudinal automatic transmission
Mechanism has the advantages that simple structure, high reliablity and parking power of motor are small.
The purpose of this utility model is achieved through the following technical solutions:
A kind of electronic parking mechanism of longitudinal automatic transmission, including the parking being connected to by spline on the axis of speed changer
Ratchet 1, pawl 2, torsional spring 3, pawl shaft 4, limit hook 5, pull rod 6, parking pin 7, fixed block 8, spring 9, pull rod pushing block 10, connecting rod
11, screw thread pushing block 12, lead screw 14 and parking motor 15, the pawl 2 are mounted in pawl shaft 4, and pawl shaft 4 is fixed on speed changer
On shell, torsional spring 3 is nested in pawl shaft 4, and one end is inserted in the circular hole on pawl 2, and the other end is stuck on case of transmission, institute
It states fixed block 8 to be fixedly installed on case of transmission by two bolts, is provided with circular groove on fixed block 8, is connect with parking pin 7
Touching, the lead screw 14 are divided to two sections for hand of spiral on the contrary, and the upper set of each section of lead screw is equipped with screw thread pushing block 12, lead screw 14
Both ends be mounted on case of transmission by bushing 13, one end of lead screw 14 is connect with parking motor 15；The pull rod pushes away
Block 10 is set on pull rod 6, and one end of pull rod pushing block 10 is connected on two screw thread pushing blocks 12 by two connecting rods 11, the other end
It is contacted with the pull rod shaft shoulder 18；The spring 9 is nested on pull rod 6, and one end, which is resisted against, to be nested on the parking pin 7 on pull rod 6,
The other end is resisted against on the pull rod shaft shoulder 18, and the connecting rod 11 and pull rod pushing block 10 and screw thread pushing block 12 pass through rivet interlacement structure
At hinged revolute pair, the other end of the pull rod 6 is equipped with limit and hooks 5.
Further, the limit hooks 5 and is fixed on pull rod 6 by fixed pin 16.
Further, the pull rod pushing block 10 passes through monosymmetric two flange link slots thereon and 11 one end of connecting rod
Connection；The screw thread pushing block 12 is connect by the flange link slot of the setting of side thereon with the other end of connecting rod 11.
Further, the head upper end of the pawl 2 side surface opposite with ratchet 1 is equipped with unlocks for parking
The arc-shaped support slot 202 that parking pin is supported under state is realized and eliminates the purpose that parking pin swings the impact noise generated；Pawl
2 heads, which are laterally provided with, is used to place limit 5 rectangular channels 201 of hook, and matching with limit hook 5 prevents pawl 2 in parking unlocked state
Because automobile bumpiness leads to pawl and parking ratchet wheel interference and collision；2 head of the pawl side opposite with arc-shaped support slot 202 is equipped with
Inclined-plane 203, when being convenient for parking lock, parking pin pushes pawl.
Further, there is flange 601 in one end that the pull rod 6 installs pull rod pushing block 10, realizes and limits pull rod pushing block 10
Position.
Further, gasket 17 is installed between the flange 601 and pull rod pushing block 10 of the pull rod.
It has the beneficial effect that:
The utility model avoid the prior art it is at high cost, structure is complicated, occupied space is big and what power of motor was big lacks
It falls into, having prevents pawl from missing drop, improves reliability, and the electric machine actuating mechanism of the utility model selects feed screw nut knot
Structure is arranged symmetrically two nut pushing blocks, and lead screw is arranged vertically with pull rod, has total compact and the small technology of power of motor
Effect；The utility model is equipped with limit in pull rod end and hooks, and prevents pawl in parking unlocked state because automobile bumpiness leads to pawl
With parking ratchet wheel interference and collision, in parking lock state, limit, which is hooked, can disengage pawl again, so that pawl locking parking ratchet wheel,
System reliability is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is that the parking of the utility model executes structural schematic diagram；
Fig. 3 is the parking pin decomposition texture schematic diagram of the utility model；
Fig. 4 the utility model be pawl structural schematic diagram；
Fig. 5 is the structural schematic diagram that the utility model is in parking unlocked state.
In figure: 1, parking ratchet wheel, 2, pawl, 201, pawl limiting slot, 202, pawl arc groove, 203, pawl inclined-plane,
3, torsional spring, 4, pawl shaft, 5, limit hook, 6, pull rod, 601, pull rod flange, 7, parking pin, 8, fixed block,
9, spring, 10, pull rod pushing block, 11, connecting rod, 12, screw thread pushing block, 13, bushing, 14, lead screw, 15, parking motor,
16, fixed pin, 17, gasket, 18, the pull rod shaft shoulder.
Specific embodiment
With reference to the accompanying drawing and embodiment, the utility model is described further.
As shown in Figure 1, the utility model provides a kind of electronic parking mechanism of longitudinal automatic transmission, including pass through spline
Parking ratchet wheel 1, pawl 2, torsional spring 3, pawl shaft 4, limit hook 5, pull rod 6, the parking pin 7, fixation being connected on the axis of speed changer
Block 8, spring 9, pull rod pushing block 10, connecting rod 11, screw thread pushing block 12, lead screw 14 and parking motor 15, the pawl 2 are mounted on pawl
On axis 4, pawl shaft 4 is fixed on case of transmission, and torsional spring 3 is nested in pawl shaft 4, and one end is inserted in the circular hole on pawl 2,
The other end is stuck on case of transmission, and the fixed block 8 is fixedly installed on case of transmission by two bolts, fixed block 8
On be provided with circular groove, contacted with parking pin 7, the lead screw 14 is divided to for opposite two sections, each section of lead screw of hand of spiral
Upper set is equipped with screw thread pushing block 12, and the both ends of lead screw 14 are mounted on case of transmission by bushing 13, one end of lead screw 14 with
Parking motor 15 connects；The pull rod pushing block 10 is set on pull rod 6, and one end of pull rod pushing block 10 is connected by two connecting rods 11
It is connected on two screw thread pushing blocks 12, the other end is contacted with the pull rod shaft shoulder 18；The spring 9 is nested on pull rod 6, one end against
It is being nested on the parking pin 7 on pull rod 6, the other end is resisted against on the pull rod shaft shoulder 18, the connecting rod 11 and pull rod pushing block 10
Hinged revolute pair is constituted by rivet interlacement with screw thread pushing block 12, the other end of the pull rod 6 is equipped with limit and hooks 5.
The limit hooks 5 and is fixed on pull rod 6 by fixed pin 16.The pull rod pushing block 10 passes through two sides pair thereon
The two flange link slots claimed are connect with 11 one end of connecting rod；The flange connection that the screw thread pushing block 12 passes through the setting of side thereon
Slot is connect with the other end of connecting rod 11.The head upper end of the pawl 2 side surface opposite with ratchet 1 is equipped with for staying
The arc-shaped support slot 202 that parking pin is supported under vehicle unlocked state is realized and eliminates the mesh that parking pin swings the impact noise generated
's；2 head of pawl, which is laterally provided with, is used to place limit 5 rectangular channels 201 of hook, and matching with limit hook 5 prevents pawl 2 in parking solution
Lock status leads to pawl and parking ratchet wheel interference and collision because of automobile bumpiness；2 head of pawl it is opposite with arc-shaped support slot 202 one
Side is equipped with inclined-plane 203, and when being convenient for parking lock, parking pin pushes pawl.One end that the pull rod 6 installs pull rod pushing block 10 has
Flange 601 is realized and is limited to pull rod pushing block 10.It is equipped between the flange 601 and pull rod pushing block 10 of the pull rod
Gasket 17.
The course of work of the utility model is as follows:
When parking will become unlocked state as shown in Figure 5 from lockup state as shown in Figure 1, motor rotates counterclockwise,
Lead screw 14 is driven to rotate, since the two sections of thread rotary orientations cooperated with lead screw 14 are on the contrary, two screw thread pushing blocks 12 start opposite translate
Movement drives pull rod pushing block 10 to 14 side translational motion of lead screw by connecting rod 11, since parking pin 7 is set in 6 one end of pull rod,
Axial position is equally set in the limit on pull rod and hooks 5 limitations, and is fixed pin 16 and is fixed, and then the translation of pull rod pushing block 10
Movement has driven the movement of parking pin 7, so that parking pin 7 is separated with pawl 2, under the action of torsional spring 3, pawl 2 and parking spine
1 separation of wheel, realizes parking unlock.Similarly, when parking will become lockup state from unlocked state, lead screw 14 drives in motor 15
Under rotate clockwise, drive the opposite translational motion of two screw thread pushing blocks 12, by connecting rod 11 drive pull rod pushing block 10 far from lead screw
14 sides, compressed spring 3, spring 3 push parking pin 7, and parking pin 7 pushes the inclined-plane 203 on 2 head of pawl, realize 2 locking of pawl
Parking ratchet wheel 1.
Claims (6)
1. a kind of electronic parking mechanism of longitudinal automatic transmission, it is characterised in that: including being connected to speed changer by spline
Parking ratchet wheel (1), pawl (2), torsional spring (3), pawl shaft (4), limit on axis hook (5), pull rod (6), parking pin (7), fix
Block (8), spring (9), pull rod pushing block (10), connecting rod (11), screw thread pushing block (12), lead screw (14) and parking motor (15), it is described
Pawl (2) is mounted on pawl shaft (4), and pawl shaft (4) is fixed on case of transmission, and torsional spring (3) is nested in pawl shaft (4)
On, one end is inserted in the circular hole on pawl (2), and the other end is stuck on case of transmission, and the fixed block (8) passes through two bolts
It is fixedly installed on case of transmission, fixed block is provided with circular groove on (8), contacts with parking pin (7), the lead screw (14)
It is divided into two sections of hand of spiral on the contrary, the upper set of each section of lead screw is equipped with screw thread pushing block (12), and the both ends of lead screw (14) pass through
Bushing (13) is mounted on case of transmission, and one end of lead screw (14) is connect with parking motor (15)；The pull rod pushing block
(10) it is set on pull rod (6), one end of pull rod pushing block (10) is connected to two screw thread pushing blocks (12) by two connecting rods (11)
On, the other end is contacted with the pull rod shaft shoulder (18)；The spring (9) is nested on pull rod (6), and one end, which is resisted against, to be nested in pull rod
(6) on the parking pin (7) on, the other end is resisted against on the pull rod shaft shoulder (18), the connecting rod (11) and pull rod pushing block (10) and
Screw thread pushing block (12) constitutes hinged revolute pair by rivet interlacement, and the other end of the pull rod (6) is equipped with limit and hooks
(5)。
2. a kind of electronic parking mechanism of longitudinal automatic transmission as described in claim 1, it is characterised in that: the limit
(5) are hooked to be fixed on pull rod (6) by fixed pin (16).
3. a kind of electronic parking mechanism of longitudinal automatic transmission as described in claim 1, it is characterised in that: the pull rod
Pushing block (10) is connect by monosymmetric two flange link slots thereon with connecting rod (11) one end；The screw thread pushing block (12)
It is connect by the flange link slot that side thereon is arranged with the other end of connecting rod (11).
4. a kind of electronic parking mechanism of longitudinal automatic transmission as described in claim 1, it is characterised in that: the pawl
(2) head upper end and ratchet (1) opposite side surface is equipped with the circular arc for supporting parking pin under parking unlocked state
Shape support slot (202) is realized and eliminates the purpose that parking pin swings the impact noise generated；Pawl (2) head is laterally provided with and is used for
It places limit and hooks (5) rectangular channel (201), matching with limit hook (5) prevents pawl (2) in parking unlocked state because of automobile bumpiness
Lead to pawl and parking ratchet wheel interference and collision；Pawl (2) head and arc-shaped support slot (202) opposite side are equipped with inclined-plane
(203), when being convenient for parking lock, parking pin pushes pawl.
5. a kind of electronic parking mechanism of longitudinal automatic transmission as described in claim 1, it is characterised in that: the pull rod
(6) one end for installing pull rod pushing block (10) has flange (601), realizes and limits to pull rod pushing block (10).
6. a kind of electronic parking mechanism of longitudinal automatic transmission as described in claim 1, it is characterised in that: described is described
Pull rod flange (601) and pull rod pushing block (10) between gasket (17) are installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820925177.6U CN208535144U (en) | 2018-06-15 | 2018-06-15 | A kind of electronic parking mechanism of longitudinal automatic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820925177.6U CN208535144U (en) | 2018-06-15 | 2018-06-15 | A kind of electronic parking mechanism of longitudinal automatic transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208535144U true CN208535144U (en) | 2019-02-22 |
Family
ID=65391845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820925177.6U Active CN208535144U (en) | 2018-06-15 | 2018-06-15 | A kind of electronic parking mechanism of longitudinal automatic transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208535144U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981123A (en) * | 2019-05-21 | 2020-11-24 | 上海汽车集团股份有限公司 | Electro-hydraulic parking device and vehicle |
| CN111990837A (en) * | 2020-08-28 | 2020-11-27 | 浙江工贸职业技术学院 | A novel multi-functional showcase for foreign trade exhibition of sales and sales |
-
2018
- 2018-06-15 CN CN201820925177.6U patent/CN208535144U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981123A (en) * | 2019-05-21 | 2020-11-24 | 上海汽车集团股份有限公司 | Electro-hydraulic parking device and vehicle |
| CN111981123B (en) * | 2019-05-21 | 2022-02-01 | 上海汽车集团股份有限公司 | Electro-hydraulic parking device and vehicle |
| CN111990837A (en) * | 2020-08-28 | 2020-11-27 | 浙江工贸职业技术学院 | A novel multi-functional showcase for foreign trade exhibition of sales and sales |
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