CN104594740A - Automobile front cover lock - Google Patents
Automobile front cover lock Download PDFInfo
- Publication number
- CN104594740A CN104594740A CN201410683246.3A CN201410683246A CN104594740A CN 104594740 A CN104594740 A CN 104594740A CN 201410683246 A CN201410683246 A CN 201410683246A CN 104594740 A CN104594740 A CN 104594740A
- Authority
- CN
- China
- Prior art keywords
- ratchet
- front cover
- front shroud
- torsion springs
- cover lock
- 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.)
- Pending
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Abstract
The invention discloses an automobile front cover lock. The automobile front cover lock comprises a front cover lock shell, a ratchet wheel, a front cover lock catch, a pawl, a ratchet wheel tension spring, a balance torsional spring shaft and a balance torsional spring. The pawl is installed on the front cover lock shell, one end of the ratchet wheel tension spring is fixed relative to the front cover lock shell, the other end of the ratchet wheel tension spring is installed on the ratchet wheel, a clamping opening used for clamping the front cover lock catch is formed in the ratchet wheel, the balance torsional spring is arranged on the balance torsional spring shaft in a sleeving mode, one end of the balance torsional spring is fixed relative to the front cover lock shell, the other end of the balance torsional spring abuts against the lower surface of the front cover lock catch, and the balance torsional spring shaft is fixed relative to a rotating shaft of the pawl. Noise is reduced when the automobile front cover lock is locked or unlocked.
Description
Technical field
The present invention relates to automobile lock device technical field, particularly a kind of automobile front cover lock.
Background technology
Automobile front cover lock is positioned at automotive front end, for realizing locking and the unblock of front cover.As depicted in figs. 1 and 2, traditional automobile front cover lock comprises front shroud lock housing body 05, ratchet 01, front shroud snap close 02, ratchet 03, ratchet extension spring 04, wherein ratchet 03 is arranged on front shroud lock housing body 05, ratchet extension spring 04 one end is fixed relative to front shroud lock housing body 05, the other end is arranged on ratchet 01, and ratchet 01 is provided with the card interface for clamping front shroud snap close 02.
When front cover closed by needs, front shroud snap close 02 promotes ratchet 01 and rotates, and stretch under the effect that ratchet extension spring 04 is rotated at ratchet 01, last front shroud snap close 02 is connected in card interface, realizes the locking of front cover, and wherein lockup state as shown in Figure 1.When front cover opened by needs, ratchet 03 removes the spacing of ratchet 01, and ratchet extension spring 04 pulls ratchet 01 to rotate, and is upwards boosted by front shroud snap close 02 when ratchet 01 rotates, until front shroud snap close 02 departs from by card interface, released state as shown in Figure 2.
But the force value opened and closed due to front cover is born by ratchet extension spring 04, ratchet extension spring 04 force value is comparatively large, when driving ratchet extension spring 04 stretch and rotate when ratchet 01 rotates simultaneously, produces noise larger when causing extension spring to be stretched.
Therefore, noise when how to reduce front shroud lock locking and unlock is those skilled in the art's technical problems urgently to be resolved hurrily.
Summary of the invention
The object of this invention is to provide a kind of automobile front cover lock, this automobile front cover lock locking and noise reduction when unlocking.
For achieving the above object, the invention provides a kind of automobile front cover lock, comprise front shroud lock housing body, ratchet, front shroud snap close, ratchet, ratchet extension spring, counterbalancing torsion springs axle and counterbalancing torsion springs, described ratchet is arranged on described front shroud lock housing body, described ratchet extension spring one end is fixed relative to described front shroud lock housing body, the other end is arranged on described ratchet, described ratchet is provided with the card interface for clamping front shroud snap close, described counterbalancing torsion springs is set on described counterbalancing torsion springs axle, and one end is fixed relative to described front shroud lock housing body, the other end abuts with described front shroud snap close soffit, described counterbalancing torsion springs axle is fixed relative to the rotating shaft of described ratchet.
Preferably, described counterbalancing torsion springs axle is arranged in the rotating shaft of described ratchet, and the dead in line of rotating shaft with described ratchet.
Preferably, described counterbalancing torsion springs is silicomanganese torsion spring.
In technique scheme, automobile front cover lock provided by the invention comprises front shroud lock housing body, ratchet, front shroud snap close, ratchet, ratchet extension spring, counterbalancing torsion springs axle and counterbalancing torsion springs, ratchet is arranged on front shroud lock housing body, ratchet extension spring one end is fixed relative to front shroud lock housing body, the other end is arranged on ratchet, ratchet is provided with the card interface for clamping front shroud snap close, counterbalancing torsion springs is set on counterbalancing torsion springs axle, and one end is fixed relative to front shroud lock housing body, the other end abuts with front shroud snap close soffit, and counterbalancing torsion springs axle is fixed relative to the rotating shaft of ratchet.When front cover closed by needs, front shroud snap close promotes the free end that ratchet and counterbalancing torsion springs abut with front shroud snap close downwards with certain initial velocity, ratchet rotates around own torque, and the ratchet extension spring that stretches, until ratchet and pawl realizes coordinating, front shroud lock locking; When front cover opened by needs, ratchet release ratchet, ratchet extension spring pulls ratchet, and ratchet rotates around own torque, by front shroud snap close jack-up, realizes unlocking.
Known by foregoing description, in car bra lid provided by the invention, when front cover is closed, because counterbalancing torsion springs tightens around counterbalancing torsion springs axle, the impact force of ratchet and counterbalancing torsion springs shared front shroud snap close, counterbalancing torsion springs has shared the part pulling force of ratchet extension spring, and the force value of ratchet extension spring reduces, and then the sound impacted during ratchet extension spring work reduces.When front cover is opened, the moment of torsion that counterbalancing torsion springs release stores, the free end of counterbalancing torsion springs rotates around own torque, and with ratchet acting in conjunction by front shroud snap close jack-up, the force value that now ratchet extension spring is born reduces, and the sound impacted during ratchet extension spring work reduces.Therefore, the automobile front cover lock locking that provides of the application and noise reduction when unlocking.
Accompanying drawing explanation
Fig. 1 is the structural representation that traditional automobile front cover lock is in lockup state;
Fig. 2 is the structural representation that traditional automobile front cover lock is in released state;
Fig. 3 is in the structural representation of lockup state for automobile front cover lock that the embodiment of the present invention provides;
Fig. 4 is in the structural representation of released state for automobile front cover lock that the embodiment of the present invention provides.
Wherein in Fig. 1-4: 01-ratchet, 02-front shroud snap close, 03-ratchet, the extension spring of 04-ratchet, 05-front shroud lock housing body;
1-ratchet, 2-front shroud snap close, 3-ratchet, the extension spring of 4-ratchet, 5-front shroud lock housing body, 6-counterbalancing torsion springs axle, 7-counterbalancing torsion springs.
Detailed description of the invention
Core of the present invention is to provide a kind of automobile front cover lock, this automobile front cover lock locking and noise reduction when unlocking.
In order to make those skilled in the art understand technical scheme of the present invention better, below in conjunction with drawings and embodiments, the present invention is described in further detail.
Please refer to Fig. 3 and Fig. 4, in a kind of detailed description of the invention, automobile front cover lock provided by the invention comprises front shroud lock housing body 5, ratchet 1, front shroud snap close 2, ratchet 3, ratchet extension spring 4, counterbalancing torsion springs axle 6 and counterbalancing torsion springs 7, concrete, and counterbalancing torsion springs 7 can be carbon steel torsion spring.Ratchet 3 is arranged on front shroud lock housing body 5, ratchet extension spring 4 one end is fixed relative to front shroud lock housing body 5, the other end is arranged on ratchet 1, ratchet 1 is provided with the card interface for clamping front shroud snap close 2, counterbalancing torsion springs 7 is set on counterbalancing torsion springs axle 6, and one end is fixed relative to front shroud lock housing body 5, the other end abuts with front shroud snap close 2 soffit, wherein front shroud snap close 2 proper extension according to actual needs, concrete, front shroud lock housing body 5 has passing hole, and counterbalancing torsion springs 7 one end, through the passing hole of front shroud lock housing body 5, realizes spacing, fixing.Counterbalancing torsion springs axle 6 is fixed relative to the rotating shaft of ratchet 3, concrete, and counterbalancing torsion springs axle 6 is riveted on front shroud lock housing body 5.
When front cover closed by needs, front shroud snap close 2 promotes the free end that ratchet 1 and counterbalancing torsion springs 7 abut with front shroud snap close 2 downwards with certain initial velocity, ratchet 1 rotates around own torque, and the ratchet extension spring 4 that stretches, until ratchet 1 and ratchet 3 realize coordinating, front shroud lock locking; When front cover opened by needs, ratchet 3 discharges ratchet 1, and ratchet extension spring 4 pulls ratchet 1, and ratchet 1 rotates around own torque, by front shroud snap close 2 jack-up, realizes unlocking.
Known by foregoing description, in the car bra lid that the specific embodiment of the invention provides, when front cover is closed, because counterbalancing torsion springs 7 tightens around counterbalancing torsion springs axle 6, the impact force of ratchet 1 and counterbalancing torsion springs 7 shared front shroud snap close 2, counterbalancing torsion springs 7 has shared the part pulling force of ratchet extension spring 4, and the force value of ratchet extension spring 4 reduces, and then the sound impacted when ratchet extension spring 4 works reduces.When front cover is opened, counterbalancing torsion springs 7 discharges the moment of torsion stored, and the free end of counterbalancing torsion springs 7 rotates around own torque, with ratchet 1 acting in conjunction by front shroud snap close 2 jack-up, the force value that now ratchet extension spring 4 is born reduces, and the sound impacted when same ratchet extension spring 4 works reduces.Front shroud lock after improvement, the opening and closing force value of counterbalancing torsion springs 7 and ratchet extension spring 4 shared front shroud, significantly better than the state that ratchet 1 single-piece is stressed, sound quality improves obviously.Therefore, the automobile front cover lock locking that provides of the application and noise reduction when unlocking.And relative to only by the situation of the larger counterbalancing torsion springs of force value, the application effectively reduces the manufacturing cost of automobile front cover lock.
Install counterbalancing torsion springs axle 6 for the ease of staff, preferably, counterbalancing torsion springs axle 6 is arranged in the rotating shaft of ratchet 3, and the dead in line of rotating shaft with ratchet 3.Concrete, counterbalancing torsion springs axle 6 can be fixed in the rotating shaft of ratchet 3 by modes such as bonding, welding.Certainly, the rotating shaft of ratchet 3 can be integral type structure with balance torsion axis 6.
On the basis of above-mentioned each scheme, preferably, counterbalancing torsion springs 7 is silicomanganese torsion spring.Because silicomanganese torsion spring intensity is high, good elasticity, extends the application life of counterbalancing torsion springs 7 effectively.
In this manual, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (3)
1. an automobile front cover lock, it is characterized in that, comprise front shroud lock housing body (5), ratchet (1), front shroud snap close (2), ratchet (3), ratchet extension spring (4), counterbalancing torsion springs axle (6) and counterbalancing torsion springs (7), described ratchet (3) is arranged on described front shroud lock housing body (5), described ratchet extension spring (4) one end is fixing relative to described front shroud lock housing body (5), the other end is arranged on described ratchet (1), described ratchet (1) is provided with the card interface for clamping front shroud snap close (2), described counterbalancing torsion springs (7) is set on described counterbalancing torsion springs axle (6), and one end is fixing relative to described front shroud lock housing body (5), the other end abuts with described front shroud snap close (2) soffit, described counterbalancing torsion springs axle (6) is fixed relative to the rotating shaft of described ratchet (3).
2. automobile front cover lock according to claim 1, is characterized in that, described counterbalancing torsion springs axle (6) is arranged in the rotating shaft of described ratchet (3), and the dead in line of rotating shaft with described ratchet (3).
3. automobile front cover lock according to claim 1 and 2, is characterized in that, described counterbalancing torsion springs (7) is silicomanganese torsion spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410683246.3A CN104594740A (en) | 2014-11-24 | 2014-11-24 | Automobile front cover lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410683246.3A CN104594740A (en) | 2014-11-24 | 2014-11-24 | Automobile front cover lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104594740A true CN104594740A (en) | 2015-05-06 |
Family
ID=53120754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410683246.3A Pending CN104594740A (en) | 2014-11-24 | 2014-11-24 | Automobile front cover lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104594740A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761057A (en) * | 2016-11-30 | 2017-05-31 | 神龙汽车有限公司 | One kind lifting main lock of spring external car engine cover |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB683157A (en) * | 1950-05-15 | 1952-11-26 | Briggs Motor Bodies Ltd | Improvements in and relating to latch mechanism for doors, covers or like closures |
| EP0244287A1 (en) * | 1986-04-30 | 1987-11-04 | A. DUBOIS & Cie | Lock for vehicle boots and the like |
| KR20010009901A (en) * | 1999-07-14 | 2001-02-05 | 정몽규 | Hood lock apparatus of automobile |
| CN201588464U (en) * | 2009-12-04 | 2010-09-22 | 重庆长安汽车股份有限公司 | Automobile front cover lock assembly with anti-theft cover |
| FR2954386B1 (en) * | 2009-12-22 | 2012-03-02 | Coutier Moulage Gen Ind | AUTOMOTIVE VEHICLE HOOD LOCK WITH DOUBLE RETENTION |
| CN102444339A (en) * | 2011-10-31 | 2012-05-09 | 重庆长安汽车股份有限公司 | Automobile front cover lock |
-
2014
- 2014-11-24 CN CN201410683246.3A patent/CN104594740A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB683157A (en) * | 1950-05-15 | 1952-11-26 | Briggs Motor Bodies Ltd | Improvements in and relating to latch mechanism for doors, covers or like closures |
| EP0244287A1 (en) * | 1986-04-30 | 1987-11-04 | A. DUBOIS & Cie | Lock for vehicle boots and the like |
| KR20010009901A (en) * | 1999-07-14 | 2001-02-05 | 정몽규 | Hood lock apparatus of automobile |
| CN201588464U (en) * | 2009-12-04 | 2010-09-22 | 重庆长安汽车股份有限公司 | Automobile front cover lock assembly with anti-theft cover |
| FR2954386B1 (en) * | 2009-12-22 | 2012-03-02 | Coutier Moulage Gen Ind | AUTOMOTIVE VEHICLE HOOD LOCK WITH DOUBLE RETENTION |
| CN102444339A (en) * | 2011-10-31 | 2012-05-09 | 重庆长安汽车股份有限公司 | Automobile front cover lock |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761057A (en) * | 2016-11-30 | 2017-05-31 | 神龙汽车有限公司 | One kind lifting main lock of spring external car engine cover |
| CN106761057B (en) * | 2016-11-30 | 2019-07-09 | 神龙汽车有限公司 | A kind of main lock of lifting spring external car engine cover |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150506 |