CN2856600Y - Autocar locking means - Google Patents
Autocar locking means Download PDFInfo
- Publication number
- CN2856600Y CN2856600Y CN 200520046807 CN200520046807U CN2856600Y CN 2856600 Y CN2856600 Y CN 2856600Y CN 200520046807 CN200520046807 CN 200520046807 CN 200520046807 U CN200520046807 U CN 200520046807U CN 2856600 Y CN2856600 Y CN 2856600Y
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- China
- Prior art keywords
- ratchet
- cam
- return spring
- spreadet
- locking apparatus
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Abstract
The utility model discloses a vehicle locking device which is characterized in that the device comprises a cam mechanism, a pawl mechanism connecting the cam mechanism, and a locking gear connecting the pawl mechanism. The utility model realizes braking locking function for vehicles by locking the transmission shaft. Friction braking is canceled by utilizing principle of gear locking, thus effect of braking locking can be improved. Furthermore, hand braking system is canceled, function of hand braking system is intergrated in the transmission so as to reduce quality and complexity for complete vehicle system.
Description
Technical field
The utility model relates to vehicle transmission and power system field, particularly a kind of automotive lock locking apparatus.
Background technique
Existing automotive lock locking mechanism (the parking brake system of promptly stopping) generally is to adopt by special parking brake handle, spurs mechanical zip, the wheel hub of wheel is braked, utilization be that frictional force is carried out the locking wheel, thereby realize the static locking of wheel.
As the patent No. is the automatic lever brake of a kind of automobile power of CN03204005, and it is provided with an electronic controller that is connected with automobile electric switch and driver respectively, and this driver is connected in the hand brake by Brake cable; When the driver closes electric switch, promptly starting driver automatically by electronic controller just changes, by Brake cable tension hand brake mechanism, and check automotive wheel, when the driver opens electric switch and starts up the car, automatically start driver by electronic controller and reverse, Brake cable discharges hand brake mechanism, and discharges the brake of automotive wheel.This automobile braking device adopts wheel brake, and is comparatively complicated on its structure, needs bigger braking force, and the reliability of system is not strong.
And for example the patent No. is the controlled reinforcement halting mechanism of a kind of automobile of CN97249366, it comprises that one is contained in the backboard on the output shaft end housing body, be welded with the backboard framework on it, float in the backboard framework at the pin sleeve of brake strap by two ends that is set with on the output shaft on brake drum, its cylindrical, it also is to embrace brake drum by brake strap, produces frictional force and then locking automobile.
The patent No. is a kind of automobile automatic parking brake device of CN00210903.4 for another example, it comprises brake disc and halting mechanism, this halting mechanism by with car in the power supply positive and negative electrode join and be fixed on electromagnet on the steering column, be fixed in the friction plate of electromagnetic core front end of electromagnet and the braking plate that is fixed on the brake disc inner side surface constitutes.The friction plate that is fixed in the electromagnetic core front end is relative with the braking plate that is fixed on the brake disc inner side surface, its two tight contact, and under the effect of frictional force, rolling disc can not rotate, thereby wheel can not be rotated.
Above-mentioned three routine existing automotive lock locking mechanisms all adopt frictional force that the wheel hub of wheel is braked, and its structure is complicated, and the effect of parking braking is undesirable, stable, reliability is not strong.
Summary of the invention
The purpose of this utility model is to overcome the defective of above-mentioned prior art, and novel a kind of automotive lock locking apparatus is provided.
The purpose of this utility model is to realize by following technological scheme:
A kind of automotive lock locking apparatus comprises a cam mechanism, detent mechanism that is attached thereto and a spreadet spreadet wheel that links to each other with this detent mechanism.
Wherein, this cam mechanism comprises a camshaft, a cam and a cam position-limit mechanism that links to each other with this cam that is located on this camshaft.
On the basic circle of this cam, be provided with one first spacing hole and one second spacing hole, this cam position-limit mechanism comprises steel ball, a pressure spring that links to each other with this steel ball and a voussoir that links to each other with this pressure spring that can be resisted against in this first or second spacing hole, this voussoir is provided with a blind hole, and this pressure spring is located in this blind hole.
Wherein, this detent mechanism comprises a pawl axis, a ratchet and a ratchet return mechanism that links to each other with this ratchet that is located on this pawl axis.
Be provided with the curved surface that the peach point of this cam matches on the top of this ratchet, its underpart is provided with engageable locking tooth in this spreadet spreadet wheel backlash, and the profile of tooth on this spreadet spreadet wheel is a rectangle.
Wherein, this ratchet return mechanism comprises a return spring axle and a return spring that is located on this return spring axle, is provided with a bayonet socket on this ratchet, and this return spring is stuck in this bayonet socket, and this camshaft is an elastic torsion axle.
Perhaps, this detent mechanism return mechanism comprises two return spring axles, is located at the forward and backward side of this ratchet respectively, respectively is being equipped with a return spring sheet on this return spring axle, respectively is equipped with a draw-in groove on this return spring sheet.And front and rear portions respectively is provided with a thrust pin that matches with this draw-in groove on this ratchet, also is provided with a curve bath on this ratchet, and this pawl axis is located in this curve bath, and this camshaft is a stiff shaft.The end face of this locking tooth is a circular arc, and the tooth top of this spreadet spreadet wheel is a circular arc.
Positive progressive effect of the present utility model is: at first, it has cancelled the special-purpose parking brake system of a cover, has reduced the complexity of system, increases parking locking gear, the level of integration of enhanced system and reliability simultaneously in speed changer; Secondly, its original system of having forgone adopts frictional force to carry out the principle of locking, utilizes the locking of gear to come the locking transmission output shaft, rather than the method for wheel, has reduced braking force, improves the reliability of system; At last, it carries out locking to vehicle in stationary vehicle, with the downslide (when stopping in the ramp) that prevents vehicle or move forward and backward, improves safety by bus; And because handbrake mechanism is not very effectively (only need cut off zip, vehicle with regard to release) for vehicle antitheft, thereby and this mechanism by locking transmission shaft locking vehicle, can prevent to a greater degree that vehicle is stolen.
Description of drawings
Fig. 1 is the utility model embodiment 1 a structural representation.
Fig. 2 is the utility model embodiment 2 a structural representation.
Fig. 3 is among the utility model embodiment 2, the partial enlarged drawing of locking tooth and spreadet spreadet wheel engagement.
Embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.
As shown in Figure 1, a kind of automotive lock locking apparatus comprises a cam mechanism 1, a detent mechanism that is attached thereto 3 and a spreadet spreadet wheel 2 that links to each other with this detent mechanism.
Go up this spreadet spreadet wheel 2 of installation at the output shaft 4 (perhaps jack shaft) of speed changer.Profile of tooth on this spreadet spreadet wheel 2 is a rectangle.
Wherein, this cam mechanism 1 comprises a camshaft 11, a cam 12 and a cam position-limit mechanism 13 that links to each other with this cam 12 that is located on this camshaft 11, and this camshaft 11 is elastic torsion axles.
On the basic circle of this cam 12, be provided with one first spacing hole 121 and one second spacing hole 122, be semicircle orifice.
This cam position-limit mechanism 13 comprises that one can be resisted against the steel ball 131 in this first or second spacing hole, a pressure spring 132 that links to each other with this steel ball 131 and a voussoir 133 that links to each other with this pressure spring 132.
This voussoir 133 is fixed on the car body, which is provided with a blind hole 134, and this pressure spring 133 is located in this blind hole 134, and it pushes this steel ball 131, makes it to lean with this cam 12.
Wherein, this detent mechanism 3 comprises a pawl axis 31, a ratchet 32 and a ratchet return mechanism 33 that links to each other with this ratchet 32 that is located on this pawl axis.
Be provided with the curved surface 321 that the peach point of this cam 12 matches on the top of this ratchet 32, its underpart is provided with engageable locking tooth 322 in these spreadet spreadet wheel 2 backlash 21,
Wherein, this ratchet return mechanism 33 comprises a return spring axle 331 and a return spring 332 that is located on this return spring axle 331, return spring axle 331 can be fixed on the casing of gearbox, is provided with a bayonet socket 321 on this ratchet 32, and this return spring 332 is stuck in this bayonet socket 321.
By the engagement locking effect of spreadet spreadet wheel 2 with parking crevis 32, can realize locking effect to output shaft 4, realize the vehicle parking latch functions.
When stopping, can be by handling the action of speed change Joystick, select the parking gear, under the effect of control pull rod, the camshaft 11 that is parallel to transmission output shaft clockwise rotates, and then drive cam 12 clockwise rotates, ratchet 32 is under the squeezing action of the curved surface 321 of 12 pairs of ratchets 32 of cam, rotate counterclockwise around the pawl axis 31 that is fixed in mission case, the locking tooth 322 of ratchet 32 is embedded in the backlash 21 on the spreadet spreadet wheel 2, has realized the locking to transmission output shaft 4 like this.
When with handle when the park displacement is opened, drive camshaft 11 and rotate counterclockwise, under the effect of return spring 332, ratchet 32 is returned to original position, is that the action of next time is prepared.
When the speed changer handle is in non-parking gear, by first spacing hole 121 on the cam 12 and steel ball 131 against, realization is spacing to cam 12, when the speed changer handle was in the parking gear, because the rotation of cam 12, steel ball 131 skidded off from first spacing hole 121, move to second spacing hole 122, after gear is fixing, the steel ball 131 and second spacing hole 122 closely against, realize the limit function of gear.
When the gear handle switches to the parking gear, locking tooth 322 on the ratchet 32 can not directly enter the engagement blocking if fail to be in backlash 21 tops of spreadet spreadet wheel 2, but inconsistent with the tooth top of spreadet spreadet wheel 2, like this, cam 12 can not be rotated further again.
When the gear handle switched to the parking gear normally, because this camshaft 11 is the spring torsion axle, it was twisted, and has remedied cam 12 remaining angle of swing, has stored the part elastic potential energy.This moment, steel ball 131 was between this first spacing hole 121 and second spacing hole 122, and and the outer surface of cam 1 against.When vehicle has small when mobile (forward and backward move can), spreadet spreadet wheel 2 turns over corresponding angle, under the elastic reaction of camshaft 11, ratchet 32 is pressed in the backlash 21 of spreadet spreadet wheel 2, has realized the locking of vehicle.
As shown in Figure 2, present embodiment is with the different of embodiment 1: detent mechanism return mechanism 34 comprises two return spring axles 341, be located at the forward and backward side of ratchet 35 respectively, respectively be equipped with a return spring sheet 342 on this return spring axle 341, respectively be equipped with a draw-in groove 3421 on this return spring sheet 342; And front and rear portions respectively is provided with a thrust pin 351 that matches with this draw-in groove 3421 on this ratchet 35, also is provided with a curve bath 352 on this ratchet 35, and this pawl axis 31 is located in this curve bath 352, and camshaft 14 is a stiff shaft; In addition, the end face of this locking tooth 322 is a circular arc, and the tooth top of this spreadet spreadet wheel 2 is a circular arc, as shown in Figure 3.
Consider the situation that the tooth top of avoiding locking tooth 322 and spreadet spreadet wheel 2 pushes up mutually, the axis hole of ratchet 35 is made a curve bath 352.
When locking tooth 322 was in the position of backlash 21 of spreadet spreadet wheel 2, the operating principle of mechanism was described identical with embodiment 1.
When arriving the parking gear along with gear switch, turn clockwise at camshaft 11, drive the non-plane motion of cam 12 along ratchet 35 tops, when the tooth top of locking tooth 322 and spreadet spreadet wheel 2 has conflict mutually, ratchet 35 can move along its curve bath 352, make locking tooth 322 fall in the backlash 21, thereby realize the interlocking of ratchet 35 and spreadet spreadet wheel 2.Along with ratchet 35 moves along curve bath 352, ratchet 35 has a squeezing action (if ratchet 35 moves towards the left side by the thrust pin 352 that is fixed on the ratchet 35 for return spring sheet 342, the return spring sheet 342 in left side is subjected to this active force, otherwise, then the return spring sheet 342 on right side is stressed), be used to provide the reset response power of ratchet 35.
By adopting the halting mechanism of this gear locking, when stopping, the driver only need be suspended to gear corresponding parking gear, just can realize the locking of vehicle, need not to spur again handbrake mechanism, simplified operating procedure, simultaneously when starting vehicle, avoided forgetting the unreasonable operation of unclamping parking brake, the enjoyment of improve driving, and because handbrake mechanism is not very effectively (only need cut off zip, vehicle with regard to release) for vehicle antitheft, and thereby this mechanism can prevent to a greater degree that by locking transmission shaft locking vehicle vehicle is stolen.
Claims (9)
1, a kind of automotive lock locking apparatus is characterized in that, comprises a cam mechanism, detent mechanism that is attached thereto and a spreadet spreadet wheel that links to each other with this detent mechanism.
2, automotive lock locking apparatus according to claim 1 is characterized in that, this cam mechanism comprises a camshaft, a cam and a cam position-limit mechanism that links to each other with this cam that is located on this camshaft.
3, automotive lock locking apparatus according to claim 2, it is characterized in that, on the basic circle of this cam, be provided with one first spacing hole and one second spacing hole, this cam position-limit mechanism comprises steel ball, a pressure spring that links to each other with this steel ball and a voussoir that links to each other with this pressure spring that can be resisted against in this first or second spacing hole, this voussoir is provided with a blind hole, and this pressure spring is located in this blind hole.
4, automotive lock locking apparatus according to claim 3 is characterized in that, this detent mechanism comprises a pawl axis, a ratchet and a ratchet return mechanism that links to each other with this ratchet that is located on this pawl axis.
5, automotive lock locking apparatus according to claim 4 is characterized in that, the top of this ratchet is provided with the curved surface that the peach point of this cam matches, and its underpart is provided with engageable locking tooth in this spreadet spreadet wheel backlash, and the profile of tooth on this spreadet spreadet wheel is a rectangle.
6, automotive lock locking apparatus according to claim 5, it is characterized in that, this ratchet return mechanism comprises a return spring axle and a return spring that is located on this return spring axle, on this ratchet, be provided with a bayonet socket, this return spring is stuck in this bayonet socket, and this camshaft is an elastic torsion axle.
7, automotive lock locking apparatus according to claim 5, it is characterized in that this detent mechanism return mechanism comprises two return spring axles, be located at the forward and backward side of this ratchet respectively, respectively be equipped with a return spring sheet on this return spring axle, respectively be equipped with a draw-in groove on this return spring sheet.
8, automotive lock locking apparatus according to claim 7 is characterized in that, front and rear portions respectively is provided with a thrust pin that matches with this draw-in groove on this ratchet, also is provided with a curve bath on this ratchet, and this pawl axis is located in this curve bath, and this camshaft is a stiff shaft.
9, automotive lock locking apparatus according to claim 8 is characterized in that, the end face of this locking tooth is a circular arc, and the tooth top of this spreadet spreadet wheel is a circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520046807 CN2856600Y (en) | 2005-11-23 | 2005-11-23 | Autocar locking means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520046807 CN2856600Y (en) | 2005-11-23 | 2005-11-23 | Autocar locking means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2856600Y true CN2856600Y (en) | 2007-01-10 |
Family
ID=37599907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520046807 Expired - Lifetime CN2856600Y (en) | 2005-11-23 | 2005-11-23 | Autocar locking means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2856600Y (en) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009100635A1 (en) * | 2008-02-14 | 2009-08-20 | Loncin Industry Co., Ltd | Built-in parking locking device of vehicle |
| WO2010006556A1 (en) * | 2008-07-18 | 2010-01-21 | Byd Company Limited | Vehicle drive device and vehicle comprising the same |
| CN101952622A (en) * | 2008-02-26 | 2011-01-19 | 谢夫勒科技有限两合公司 | Gearing locking device |
| CN102308128A (en) * | 2009-03-04 | 2012-01-04 | 本田技研工业株式会社 | Park lock apparatus for a transmission |
| CN102358284A (en) * | 2011-07-20 | 2012-02-22 | 浙江万里扬变速器股份有限公司 | Electronically controlled parking system for automobile |
| CN101905690B (en) * | 2009-12-21 | 2012-09-05 | 浙江吉利汽车研究院有限公司 | Parking brake device |
| CN102958727A (en) * | 2011-06-29 | 2013-03-06 | 丰田自动车株式会社 | Parking apparatus |
| CN103917421A (en) * | 2011-09-05 | 2014-07-09 | 捷豹路虎有限公司 | Improvements in vehicle transmissions having a park function |
| CN104136816A (en) * | 2012-03-01 | 2014-11-05 | 本田技研工业株式会社 | Motive power transmission control device for vehicle |
| CN105090298A (en) * | 2015-09-21 | 2015-11-25 | 戎华庆 | Intermittent automatic adjusting arm device for brake clearance of heavy truck |
| CN105370224A (en) * | 2015-11-30 | 2016-03-02 | 湖南三一石油科技有限公司 | Oil drilling and production equipment, hydraulic elevator and turn-over device thereof |
| CN105757070A (en) * | 2016-05-10 | 2016-07-13 | 张立 | Adjustable gear coupling |
| CN106184164A (en) * | 2016-09-29 | 2016-12-07 | 上海汽车集团股份有限公司 | Parking control method on vehicle slope |
| CN106335487A (en) * | 2016-09-29 | 2017-01-18 | 上海汽车集团股份有限公司 | Electric parking brake (EPB) control method for electric car |
| CN107618486A (en) * | 2017-08-21 | 2018-01-23 | 浙江工贸职业技术学院 | A kind of parking device of electric automobile |
| CN108391997A (en) * | 2018-02-27 | 2018-08-14 | 潘海云 | A kind of drawing hanger for industrial design |
| CN108941652A (en) * | 2018-07-30 | 2018-12-07 | 彭守晔 | A kind of low speed automatic drilling machine |
| CN112013111A (en) * | 2019-05-29 | 2020-12-01 | 沃尔沃汽车公司 | Parking lock apparatus |
| CN113770637A (en) * | 2021-07-19 | 2021-12-10 | 厦门尚一机械设备有限公司 | High-precision welding positioner |
| CN113964727A (en) * | 2021-11-18 | 2022-01-21 | 国网辽宁省电力有限公司检修分公司 | Maintenance tool for replacing overhead optical cable of power transmission line |
| CN114291055A (en) * | 2020-12-28 | 2022-04-08 | 华为数字能源技术有限公司 | Electronic controller, power assembly and vehicle |
-
2005
- 2005-11-23 CN CN 200520046807 patent/CN2856600Y/en not_active Expired - Lifetime
Cited By (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009100635A1 (en) * | 2008-02-14 | 2009-08-20 | Loncin Industry Co., Ltd | Built-in parking locking device of vehicle |
| US8573377B2 (en) | 2008-02-14 | 2013-11-05 | Loncin Motor Co., Ltd. | Built-in parking locking device of vehicle |
| CN101952622A (en) * | 2008-02-26 | 2011-01-19 | 谢夫勒科技有限两合公司 | Gearing locking device |
| CN101952622B (en) * | 2008-02-26 | 2014-09-03 | 谢夫勒科技股份两合公司 | Gearing locking device |
| WO2010006556A1 (en) * | 2008-07-18 | 2010-01-21 | Byd Company Limited | Vehicle drive device and vehicle comprising the same |
| CN101628544B (en) * | 2008-07-18 | 2012-09-12 | 比亚迪股份有限公司 | Vehicle-driving device and vehicle comprising same |
| CN102308128B (en) * | 2009-03-04 | 2014-09-03 | 本田技研工业株式会社 | Park lock apparatus for a transmission |
| CN102308128A (en) * | 2009-03-04 | 2012-01-04 | 本田技研工业株式会社 | Park lock apparatus for a transmission |
| US8708124B2 (en) | 2009-03-04 | 2014-04-29 | Honda Motor Co., Ltd. | Parking lock apparatus for transmission |
| CN101905690B (en) * | 2009-12-21 | 2012-09-05 | 浙江吉利汽车研究院有限公司 | Parking brake device |
| CN102958727B (en) * | 2011-06-29 | 2015-11-25 | 丰田自动车株式会社 | Lugs |
| CN102958727A (en) * | 2011-06-29 | 2013-03-06 | 丰田自动车株式会社 | Parking apparatus |
| CN102358284A (en) * | 2011-07-20 | 2012-02-22 | 浙江万里扬变速器股份有限公司 | Electronically controlled parking system for automobile |
| CN103917421A (en) * | 2011-09-05 | 2014-07-09 | 捷豹路虎有限公司 | Improvements in vehicle transmissions having a park function |
| CN104136816A (en) * | 2012-03-01 | 2014-11-05 | 本田技研工业株式会社 | Motive power transmission control device for vehicle |
| CN104136816B (en) * | 2012-03-01 | 2016-03-30 | 本田技研工业株式会社 | Power transmission controller for vehicle |
| CN105090298A (en) * | 2015-09-21 | 2015-11-25 | 戎华庆 | Intermittent automatic adjusting arm device for brake clearance of heavy truck |
| CN105370224A (en) * | 2015-11-30 | 2016-03-02 | 湖南三一石油科技有限公司 | Oil drilling and production equipment, hydraulic elevator and turn-over device thereof |
| CN105757070A (en) * | 2016-05-10 | 2016-07-13 | 张立 | Adjustable gear coupling |
| CN106184164A (en) * | 2016-09-29 | 2016-12-07 | 上海汽车集团股份有限公司 | Parking control method on vehicle slope |
| CN106335487A (en) * | 2016-09-29 | 2017-01-18 | 上海汽车集团股份有限公司 | Electric parking brake (EPB) control method for electric car |
| CN107618486A (en) * | 2017-08-21 | 2018-01-23 | 浙江工贸职业技术学院 | A kind of parking device of electric automobile |
| CN108391997A (en) * | 2018-02-27 | 2018-08-14 | 潘海云 | A kind of drawing hanger for industrial design |
| CN108941652A (en) * | 2018-07-30 | 2018-12-07 | 彭守晔 | A kind of low speed automatic drilling machine |
| CN112013111A (en) * | 2019-05-29 | 2020-12-01 | 沃尔沃汽车公司 | Parking lock apparatus |
| CN112013111B (en) * | 2019-05-29 | 2022-05-24 | 沃尔沃汽车公司 | Parking lock apparatus |
| CN114291055A (en) * | 2020-12-28 | 2022-04-08 | 华为数字能源技术有限公司 | Electronic controller, power assembly and vehicle |
| CN113770637A (en) * | 2021-07-19 | 2021-12-10 | 厦门尚一机械设备有限公司 | High-precision welding positioner |
| CN113964727A (en) * | 2021-11-18 | 2022-01-21 | 国网辽宁省电力有限公司检修分公司 | Maintenance tool for replacing overhead optical cable of power transmission line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070110 |
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| EXPY | Termination of patent right or utility model |