KR101664715B1 - Parking releasing apparatus - Google Patents

Parking releasing apparatus Download PDF

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Publication number
KR101664715B1
KR101664715B1 KR1020150090041A KR20150090041A KR101664715B1 KR 101664715 B1 KR101664715 B1 KR 101664715B1 KR 1020150090041 A KR1020150090041 A KR 1020150090041A KR 20150090041 A KR20150090041 A KR 20150090041A KR 101664715 B1 KR101664715 B1 KR 101664715B1
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KR
South Korea
Prior art keywords
lever
pivoting lever
housing
parking
elastic member
Prior art date
Application number
KR1020150090041A
Other languages
Korean (ko)
Inventor
박한길
Original Assignee
현대자동차주식회사
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Filing date
Publication date
Application filed by 현대자동차주식회사 filed Critical 현대자동차주식회사
Priority to KR1020150090041A priority Critical patent/KR101664715B1/en
Application granted granted Critical
Publication of KR101664715B1 publication Critical patent/KR101664715B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T7/00—Brake-action initiating means
    • B60T7/02—Brake-action initiating means for personal initiation
    • B60T7/08—Brake-action initiating means for personal initiation hand actuated
    • B60T7/10—Disposition of hand control
    • B60T7/102—Disposition of hand control by means of a tilting lever
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T7/00—Brake-action initiating means
    • B60T7/02—Brake-action initiating means for personal initiation
    • B60T7/08—Brake-action initiating means for personal initiation hand actuated
    • B60T7/10—Disposition of hand control
    • B60T7/107—Disposition of hand control with electrical power assistance

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Gear-Shifting Mechanisms (AREA)
  • Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)

Abstract

A parking releasing apparatus is disclosed. The parking releasing apparatus comprises: a housing having an inner space; a rotary lever installed to be rotated in the housing and connected to a parking cable; an operation device provided to one side of the rotary lever and pushing the rotary lever from one side to the other side when the operation device is operated; and an elastic member of which an elastic repulsive force applied to the rotary lever is reduced when the rotary lever is rotated at a predetermined distance by operation of the operation device, positioned on the other side of the rotary lever to elastically support the rotary lever.

Description

[0001] PARKING RELEASING APPARATUS [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a parking release device, and more particularly, to a parking release device that provides quick response in response to an operation in a parking operation period.

In the conventional automatic transmission vehicle, the P, R, N, and D shift stages are generally linearly arranged, and the shift lever is pivoted to select one of the shift stages. When the shift lever is rotated, And transmitted to the transmission.

That is, since the point at which the cable is connected to the shift lever is spaced upward from the pivot center of the shift lever, when the shift lever is rotated, the operation force is transmitted to the transmission as the cable is pulled or released according to the pivot angle. So that the shifting of the speed change stage is performed.

Meanwhile, the shift lever device is provided with an M shift position, which is a manual mode, in addition to the P, R, N, and D shift stages, and shifts the shift lever in a direction perpendicular to the linear direction of the P, R, The manual mode can be selected. In this manual mode, the +, - directional operation of the shift lever is detected by the signal of the sensor and is transmitted to the transmission.

On the other hand, when shifting to the P-speed position among the P, R, N, and D speed change stages, the P position switch must be operated instead of simply operating the shift lever. The P-position switch is provided for the shift lever to detect the P-step shift intention of the driver, or installed separately so that the P-speed change is performed depending on whether the driver wishes to shift to the P-speed position.

Particularly, in the case of a vehicle to which the electronic transmission system is applied, the transmission performing the shifting to the hydraulic control is provided with an actuator device such as a solenoid or a motor for releasing the parking upon operation of the P position switch.

On the other hand, in general, when the starting operation is stopped during driving, or when N-stage maintenance is required during stopping, the actuator device is operated, and the performance of the quick parking release device is required so that the transmission is not shifted to the P-stage.

However, in the conventional parking release device, as shown in FIG. 1, the worm wheel 3 connected to the motor 1 operates to pull and release the cable to control the transmission in the P-stage and N-stage, , It is necessary to make a design change in which the gear reduction ratio is set to a smaller value.

Particularly, when the parking release device is installed in the room, it is necessary to smooth the operation noise and reduce the noise, but the conventional parking release device is not satisfactory.

It should be understood that the foregoing description of the background art is merely for the purpose of promoting an understanding of the background of the present invention and is not to be construed as an admission that the prior art is known to those skilled in the art.

KR 20-1999-0026629 A (July 15, 1999)

SUMMARY OF THE INVENTION The present invention has been made in order to solve such a problem, and it is an object of the present invention to provide a parking release device which provides quick response according to an operation in a parking operation section and minimizes operating noise.

According to an aspect of the present invention, there is provided a parking release device comprising: a housing having an inner space; A pivotal lever rotatably installed in the housing and connected with a parking cable; An operating mechanism provided at one side of the pivoting lever and pushing the pivoting lever from one side to the other side during operation; And an elastic member located on the other side of the pivotal lever to elastically support the pivotal lever and reduce an elastic reaction force acting on the pivotal lever when the pivotal lever is rotated a certain distance as the operation mechanism is operated.

The housing is divided into an upper cover and a lower cover, a pivot lever is rotatably installed on the upper cover, an operating mechanism is provided on one side of the lower cover, and an elastic member is coupled to the other side.

The lower cover of the housing is formed with an insertion hole through which the parking cable passes.

The pivoting lever is formed in a bar shape having a predetermined length extending in the up-and-down direction, and a rotating shaft coupled to the housing is laterally penetrated through the upper end and a parking cable is connected to the lower end.

A cable connecting portion to which a parking cable is connected is provided at a lower end portion of the pivoting lever, and a cable connecting portion is installed to be inserted into and removed from a lower end portion.

The pivoting lever is formed with a plurality of positioning grooves spaced by a predetermined distance from a lower end of a rotating shaft connected to an upper end of the pivoting lever.

The operating mechanism includes a driving unit that is installed in the housing and that provides power, an operating unit that is connected to one end of the driving unit and the other end of which is provided to be in contact with the pivoting lever to move to one side or the other side during operation of the driving unit, .

Wherein the actuating part of the actuating mechanism is constituted by a motor for providing a turning force and a worm shaft for receiving rotation of the motor, the actuating part is extended to one side and the other side by a predetermined length, and is engaged with the worm shaft, And is moved in one direction or the other direction by rotation.

The elastic member has two end portions on the housing, two coil portions wound in a coil shape, and a connecting end formed between the coil portions.

And a latching portion formed with a latching groove into which a connecting end of the elastic member is inserted is protruded and formed at the other end of the pivoting lever.

According to the parking release device constructed as described above, it is possible to provide quick response in response to an operation in a parking operation section, and minimize operating noise.

It is also advantageous in terms of package as the total assembly is reduced in size to increase the efficiency of the mounting space.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 shows a conventional parking release device. Fig.
2 is a perspective view of a parking release device according to an embodiment of the present invention;
Figs. 3 to 4 are diagrams showing a canonical decocking apparatus shown in Fig. 2. Fig.
Figs. 5 to 6 are views for explaining the operation of the parking release device shown in Fig. 2. Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a parking release device according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings.

FIG. 2 is a perspective view of a parking release device according to an embodiment of the present invention, FIGS. 3 to 4 are views showing a canonical parking release device shown in FIG. 2, And is a view for explaining the operation of the illustrated parking release device.

2, the unlocking device of the present invention comprises: a housing 100 having an inner space; A rotation lever 200 rotatably installed in the housing 100 and connected to the parking cable C; An operating mechanism (300) provided at one side of the pivoting lever (200) and pushing the pivoting lever (200) from one side to the other side during operation; And the pivoting lever 200 is positioned on the other side of the pivoting lever 200 to elastically support the pivoting lever 200. When the pivoting lever 200 is rotated a certain distance as the operating mechanism 300 is operated, And an elastic member (400) whose elastic reaction force is reduced.

The present invention relates to a parking release device for releasing a parking state of a vehicle to switch a transmission from a P-stage state to an N-stage state so that the vehicle wheel is freely rotatable. To this end, the parking brake release device of the present invention is provided with a pivotal lever 200 to which a parking cable C is connected and is rotatably mounted. The pivotal lever 200 receives power from the operating mechanism 300, And is configured to pull or release the cable (C).

Particularly, in the present invention, an elastic member 400 positioned to be in contact with the pivotal lever 200 is provided, and the pivotal lever 400 is rotated by the pivotal lever 200 when the pivotal lever 200 is rotated by a predetermined distance So that the turning lever 200 is rapidly rotated in the rotating direction. In this way, as the pivoting lever 200 is rotated rapidly during the operation of the parking release device, the shift to the N-th stage as the parking cable C connected thereto is rapidly performed.

2, the housing 100 is divided into an upper cover 120 and a lower cover 140. The upper cover 120 is provided with a pivot lever (not shown) 200 may be rotatably installed on the lower cover 140. The lower cover 140 may be provided with an operating mechanism 300 on one side and an elastic member 400 on the other side.

2, the housing 100 is configured to be removable by the upper cover 120 and the lower cover 140, so that the pivot lever 200, the actuating mechanism 300, The replacement of the elastic member 400 is easy.

The lower cover 140 is provided with an operating mechanism 300 and an elastic member 400 to simplify the number of components and to operate the lower cover 140 The production can be performed by a simple assembling process in which the pivoting lever 200 provided on the upper cover 120 is positioned between the mechanism 300 and the elastic member 400, thereby improving the productivity.

Here, the lower cover 140 of the housing 100 may have an insertion hole 142 through which the parking cable C passes. That is, the parking cable C is connected to the pivotal lever 200 provided inside the housing 100, and the insertion hole 142 is formed so that the parking cable C is inserted into the inner space from the outside of the housing 100 will be. It is preferable that a bushing is provided in the insertion hole 142 to minimize damage due to continuous rubbing of the parking cable C to the insertion hole 142.

3, the pivoting lever 200 is formed in a bar shape having a predetermined length extending in the up-and-down direction, and a rotation shaft 220 coupled to the housing 100 is laterally penetrated through the upper end portion 202 And a parking cable C can be connected to the lower end portion 204. [

That is, the pivoting lever 200 is installed to be rotatable about the rotation axis 220 coupled to the upper end portion 202, and the parking cable C is connected to the lower end portion 204 to rotate about the rotation axis 220 The parking cable C connected to the opposite side can be pulled sufficiently.

Further, since the pivot lever 200 is formed in a bar shape having a predetermined length, it is possible to secure a contact portion of the actuating portion 340 of the actuating mechanism 300 described below, The rotation can be smoothly performed. Preferably, the pivoting lever 200 is formed in a bent shape from the upper end portion 202 to the lower end portion 204, so that the rotation operation according to the movement of the operation portion 340 can be performed more smoothly.

The lower end portion 204 of the pivoting lever 200 is provided with a cable connection portion 240 to which the parking cable C is connected and the cable connection portion 240 can be installed to be detached from the lower end portion 204. In addition, a plurality of positioning grooves 260 may be formed in the pivoting lever 200 to be spaced apart from each other by a predetermined distance, in which the cable connecting portion 240 is assembled to the lower side of the rotary shaft 220 connected to the upper end portion 202.

That is, the pivoting lever 200 is formed with a positioning groove 260 in which a cable connection portion 240 to which the parking cable C is connected is assembled, and a plurality of positioning grooves 260 are formed in the pivoting lever 200 So that the cable connection portion 240 can be selectively installed in any one of the plurality of positioning grooves 260. The plurality of positioning grooves 260 are formed in the pivotal lever 200 so that the operation distance of the parking cable C can be easily changed by assembling the cable connecting portion 240 into the specific positioning groove 260 .

The cable connection part 240 is installed to be detachable in the positioning groove 260. The cable connection part and the positioning groove 260 may be connected to each other through a screw assembly structure.

The operating mechanism 300 includes a driving unit 320 installed in the housing 100 to provide power and a driving unit 320 having one end 342 connected to the driving unit 320 and the other end 344 connected to the pivoting lever And an operation unit 340 that is provided to be in contact with the driving lever 320 and moves to one side or the other side during operation of the driving unit 320 to push the turning lever 200.

That is, the actuating mechanism 300 includes an actuating part 340 which is moved to one side or the other side during operation of the actuating part 320. The actuating part 320 is fixed to one side of the housing 100 and is operated by the controller. Particularly, the actuating part 340 is provided such that one end part 342 is connected to the driving part 320 to receive the power and the other end part 344 is brought into contact with the pivoting lever 200 to move the pivoting lever 200 ). The operation unit 340 may be integrally connected to the pivotal lever 200. The pivotal lever 340 may be integrally connected to the pivotal lever 200 by the elastic member 400, 200 can be prevented from being interfered by the operation unit 340 during rotation.

The driving unit 320 of the actuating mechanism 300 includes a motor 322 for providing a rotational force and a worm shaft 324 for receiving the rotational force of the motor 322 to rotate. May be extended to one side and the other side by a predetermined length and may be moved to one side or the other side by rotation of the worm shaft 324 when the motor 322 is engaged with the worm shaft 324.

That is, the motor 322 is operated according to whether or not a signal from the controller is applied. When the motor 322 is operated, the worm shaft 324 extended from the motor 322 receives the rotational force and is rotated. The worm shaft 324 is formed on the lower surface of the operation portion 340 and is formed into a rack bar having a predetermined length so that when the worm shaft 324 is rotated as the motor 322 is operated, 340 are moved to one side or the other side along the thread. As the actuating part 340 is connected to the worm shaft 324 of the motor 322 by a rack and pinion structure, the actuating part 340 is moved during operation of the motor 322 to push the pivoting lever 200, And an operation of pulling the parking cable C is performed. In this way, since the actuating part 340 and the driving part 320 are connected through the rack structure, their positions are maintained even after the operation part in which the actuating part 340 is moved, thereby preventing an operation error.

The other end 344 of the actuating part 340 is provided with an actuating part 340 for actuating the actuating part 340 to push the pivoting lever 200 by forming an inclined surface to be in surface contact with the pivoting lever 200, It is possible to smoothly rotate the pivoting lever 200 along the inclined surface of the pivoting lever 200.

4, both ends of the elastic member 400 are provided on the housing 100 and are provided with two coil parts 420 wound in a coil shape, and connected between the coil parts 420 The step 440 may be formed. When the operating portion 340 of the operating mechanism 300 is moved to push the rotating lever 200 as the turnover spring, the elastic member 400 is compressed and the operating portion 340 is compressed, The reaction force is suddenly reduced and the rotation lever 200 is moved more quickly by the movement of the actuating part 340 of the actuating part 300 of the actuating mechanism 300 . As a result, the elastic force of the elastic member 400 together with the power transmitted from the driving unit 320 of the actuating mechanism 300 simultaneously acts to smoothly and rapidly perform the turning operation of the turning lever 200, do.

The latching portion 280 may be protruded from the other end 208 of the pivoting lever 200. The latching groove 282 may be formed with a connecting end 440 of the elastic member 400 inserted therein.

This is because the coupling portion 280 is protruded from the other end portion 208 of the pivoting lever 200 and the coupling groove 280 formed in the coupling portion 280 is formed as a connection structure between the pivoting lever 200 and the elastic member 400 The pivoting lever 200 and the elastic member 400 can be easily assembled by engaging the connecting end 440 of the elastic member 400 through the pivotal lever 282. The locking part 280 is protruded from the pivotal lever 200 so that the locking part 440 of the elastic member 400 is pushed in the rotation operation of the pivoting lever 200, It can be deformed.

5, the operation portion 340 of the actuating mechanism 300 is not operated, and the actuating portion 340 and the pivoting lever 200 are not moved And the elastic member 400 resiliently supports the pivoting lever 200.

6, when the drive unit 320 is operated, the worm shaft 324 connected to the motor 322 is rotated, and when the worm shaft 324 is rotated, The actuating part 340 is moved to the other side. The operating part 340 thus moved pushes the pivoting lever 200. The pivoting lever 200 is rotated about the pivoting axis 220. When the pivoting lever 200 moves beyond the solid line a shown in Figure 6, The elastic force of the elastic member 400 and the driving force of the driving unit 320 act on the turning lever 200 and the turning lever 200 is rotated more rapidly. As a result, the operating response speed is improved as the parking cable C connected to the pivoting lever 200 is quickly pulled.

According to the parking release device constructed as described above, it is possible to provide quick response in response to the parking release operation in the parking operation section and to minimize operating noise.

It is also advantageous in terms of package as the total assembly is reduced in size to increase the efficiency of the mounting space.

While the present invention has been particularly shown and described with reference to specific embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the following claims It will be apparent to those of ordinary skill in the art.

100: housing 120: upper cover
140: lower cover 142: insertion hole
200: Rotation lever 220:
240: Cable connection part 260: Positioning groove
280: Retaining part 282: Retaining groove
300: operating mechanism 320:
322: motor 324: worm shaft
340: actuating part 400: elastic member
420: coil part 440: connection end
C: Parking cable

Claims (10)

A housing having an inner space;
A pivotal lever rotatably installed in the housing and connected with a parking cable;
An operating mechanism provided at one side of the pivoting lever and pushing the pivoting lever from one side to the other side during operation; And
And an elastic member located on the other side of the pivot lever to elastically support the pivot lever and to reduce an elastic reaction force acting on the pivot lever when the pivot lever is rotated a certain distance as the operation mechanism is operated,
The elastic member is provided with two coil portions provided at both ends of the housing and wound in a coil shape, and a connecting end at which a pivoting lever is connected between the coil portions is formed. When the operating mechanism pushes the pivoting lever from one side to the other side, An elastic reaction force is generated by the coil portion of the coil spring, and as the coil portion is loosened, the elastic reaction force is reduced so that the turning lever is quickly rotated by the actuating mechanism. The method according to claim 1,
Wherein the housing is divided into an upper cover and a lower cover, a pivoting lever is rotatably installed on the upper cover, an operating mechanism is provided on one side of the lower cover, and an elastic member is coupled to the other side. Device. The method of claim 2,
Wherein the lower cover of the housing is formed with an insertion hole through which the parking cable passes. The method according to claim 1,
Wherein the pivoting lever is formed in a bar shape having a predetermined length extending in the up-and-down direction, and a rotation shaft coupled to the housing is laterally passed through the upper end and a parking cable is connected to the lower end. The method of claim 4,
Wherein a cable connecting portion to which a parking cable is connected is provided at a lower end portion of the pivoting lever, and a cable connecting portion is installed to be detachably attached to a lower end portion of the pivoting lever. The method of claim 5,
Wherein the pivoting lever is formed with a plurality of positioning grooves spaced apart from each other by a predetermined distance at which a cable connecting portion is assembled to a lower side of a rotating shaft connected to an upper end portion. The method according to claim 1,
The operating mechanism includes a driving unit installed in the housing and providing power,
And an operating portion which is connected to one end of the driving portion and the other end of which is brought into contact with the pivoting lever so as to be moved to one side or the other side during operation of the driving portion to push the pivoting lever. The method of claim 7,
Wherein the driving unit of the operating mechanism comprises a motor for providing a rotational force and a worm shaft for receiving rotation of the motor,
Wherein the actuating part is extended to one side and the other side by a predetermined length and is engaged with the worm shaft and is moved in one direction or the other direction by rotation of the worm shaft during operation of the motor. delete The method according to claim 1,
And a latching portion formed with a latching groove through which a connecting end of an elastic member is inserted and protruded is formed at the other end of the pivoting lever.
KR1020150090041A 2015-06-24 2015-06-24 Parking releasing apparatus KR101664715B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200130540A (en) * 2019-05-08 2020-11-19 현대자동차주식회사 Shift lever apparatus for vehicle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1134682A (en) * 1997-05-21 1999-02-09 Kojima Press Co Ltd At shift lever apparatus
KR20010008692A (en) 1999-07-02 2001-02-05 김영환 Method for processing packet call through D-channel in Integrated Services Digital Network
JP2007127482A (en) * 2005-11-02 2007-05-24 Advics:Kk Tension sensor and electric parking brake
JP2013164105A (en) * 2012-02-09 2013-08-22 Toyota Motor Corp Control device of shift change mechanism for vehicle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1134682A (en) * 1997-05-21 1999-02-09 Kojima Press Co Ltd At shift lever apparatus
KR20010008692A (en) 1999-07-02 2001-02-05 김영환 Method for processing packet call through D-channel in Integrated Services Digital Network
JP2007127482A (en) * 2005-11-02 2007-05-24 Advics:Kk Tension sensor and electric parking brake
JP2013164105A (en) * 2012-02-09 2013-08-22 Toyota Motor Corp Control device of shift change mechanism for vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200130540A (en) * 2019-05-08 2020-11-19 현대자동차주식회사 Shift lever apparatus for vehicle
KR102635920B1 (en) 2019-05-08 2024-02-13 현대자동차주식회사 Shift lever apparatus for vehicle

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