CN201050245Y - Engine hood lock - Google Patents
Engine hood lock Download PDFInfo
- Publication number
- CN201050245Y CN201050245Y CN 200720069199 CN200720069199U CN201050245Y CN 201050245 Y CN201050245 Y CN 201050245Y CN 200720069199 CN200720069199 CN 200720069199 CN 200720069199 U CN200720069199 U CN 200720069199U CN 201050245 Y CN201050245 Y CN 201050245Y
- Authority
- CN
- China
- Prior art keywords
- snap close
- holding part
- lock
- close holding
- unlock piece
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to an engine hood lock, which comprises a lock shell, an unlocking part connected movably with the lock shell, a lock button clamp part connected movably with the lock shell, a spring-back driving part with two ends connected on the unlocking part and the lock button clamp part, and a lock button connected on the engine hood and matched with the lock button clamp part; the unlocking part and the lock button clamp part are locked each other, the connection position of the spring-back driving part and the lock button clamp part are located below the rotary shaft of the lock button clamp part. The engine hood lock optimizes the force arm design of the unlocking part and the lock button clamp part so as to realize the integration of the unlocking spring-back driving part and spring-up spring-back driving part, the utility model has the advantages of simple and compact structure, convenient application, high reliability and low cost.
Description
Technical field
The utility model relates to a kind of motor cover lock, the motor cover lock of particularly integrated release, the mechanism of upspringing.
Background technology
As shown in Figure 1, common hood comprises: relatively independent lock unlock piece 2 and snap close holding part 3, they all are riveted on the lock housing by rivet 7, and can freely rotate.Unlock piece 2 and snap close holding part 3 intermesh, and unlock piece 2 can stop snap close holding part 3 to rotate, and release resilience actuator 5 one end hooks are on lock housing 8, and the other end is hooked on the unlock piece 2; Upspring resilience actuator 6 one end hooks on lock housing 1, and the other end is hooked on the snap close holding part 3.In use, the effect of release resilience actuator 5 is tension unlock pieces 2, prevents that snap close holding part 3 from rotating, and makes main lock keep lockup state; 6 of the resilience actuators of upspringing are after the constraint that unlock piece 2 is removed snap close holding part 3, pulling snap close holding part 3, and the hood of upspringing, and make it keep crack state, be convenient to open hood.
Above-mentioned motor cover lock need use the release resilience actuator 5 and the resilience actuator 6 of upspringing to realize the release and the function of upspringing of main lock respectively, and complex structure takies than large space, and cost of production is also higher.In the cost control strictness, on the less automobile in enging cabin space, inferior position is particularly evident.Therefore be necessary to design a kind of new motor cover lock to overcome above-mentioned shortcoming in fact.
The utility model content
Main purpose of the present utility model is to be, provide a kind of can be simple in structure, compact, lower-cost motor cover lock.
To achieve these goals, motor cover lock of the present utility model is design like this:
A kind of motor cover lock, is connected to the resilience actuator on described unlock piece and the snap close holding part with snap close holding part, the two ends of described lock housing flexible connection and is connected the snap close that matches with described snap close holding part on the hood unlock piece that comprises lock housing, flexibly connects with described lock housing; Described unlock piece and the mutual clamping of described snap close holding part, the link position of described resilience actuator and described snap close holding part is positioned at below the axis of rotation of this snap close holding part.
As preferred implementation, described unlock piece is provided with support slot, and described snap close holding part is provided with the Access Division, and the shape of this Access Division matches with the shape of described support slot.
As preferred implementation, this motor cover lock also comprises described unlock piece and snap close holding part is pressed on pressing plate on the described lock housing.
As preferred implementation, the axis of rotation of described unlock piece is positioned at an end of this unlock piece.
Effect of the present utility model is: motor cover lock of the present utility model is by the design of the optimization solution latch fitting and the snap close holding part arm of force, realize the release resilience actuator and the integrated of resilience actuator of upspringing, simple in structure, compact, easy to use, and reliability height, with low cost, the while also makes things convenient for the layout of motor cover lock internal construction.
Description of drawings
Below, will be described in more detail the specific embodiment of the present utility model in conjunction with the accompanying drawings, wherein:
Fig. 1 is existing motor cover lock schematic diagram;
Fig. 2 is a motor cover lock schematic diagram of the present utility model;
Fig. 3 is the partial schematic diagram of motor cover lock of the present utility model.
The specific embodiment
For convenience of description, following embodiment, components identical is represented with identical Reference numeral.
As shown in Figure 2, motor cover lock 1 of the present utility model comprises: lock housing 10, be arranged on first keeper 100 and second keeper 102 on the described lock housing 10, unlock piece 12 with 100 flexible connections of described first keeper, snap close holding part 14 with 102 flexible connections of described second keeper, two ends are connected to the resilience actuator 16 on described unlock piece 12 and the snap close holding part 14, described unlock piece 12 and snap close holding part 14 be pressed on the pressing plate 18 on the described lock housing 10 and be connected the snap close 19 that matches with described snap close holding part 14 on the hood.Described first keeper 100 and second keeper 102 are revolving body, as cylinder, truncated cone body etc., to make things convenient for described unlock piece 12 and described snap close holding part 14 around the center rotation of keeper separately.
As shown in Figure 3, described resilience actuator 16 is preferably spring; Described unlock piece 12 is provided with support slot 120, and described snap close holding part 14 is provided with Access Division 140, and the shape of this Access Division 140 matches with the shape of described support slot 120, locatees to realize the described unlock piece 12 and the clamping of snap close holding part 14.
When motor cover lock 1 of the present utility model is in the lock state, resilience actuator 16 is in extended state, because the two ends of described resilience actuator 16 are suspended on respectively on described unlock piece 12 and the snap close holding part 14, described unlock piece 12 and snap close holding part 14 all have the trend of clockwise motion under the effect of resilience actuator 16 pulling force, but this moment, described support slot 120 played spacing each other effect with described Access Division 140, described snap close holding part 14 can't rotate, snap close 19 is limited in the space below the described snap close holding part 14, and therefore hood is in blocking.
In the time of need opening hood, unlock piece 12 is imposed the power that it is turned clockwise around first keeper 100 by the release handle in the driver's cabin, surpass the position of engagement with snap close holding part 14 until unlock piece 12, this moment, described support slot 120 misplaced with described Access Division 140, this Access Division 140 no longer is subjected to the spacing of described support slot 120, has the trend of contraction owing to be in the resilience actuator 16 of extended state, under the effect of resilience actuator 16 convergent forces, snap close holding part 14 clockwise rotates around second keeper 102, make the snap close that is arranged on the hood inboard 19 that is positioned under the described snap close holding part 14 eject smoothly, thereby hood is opened and keep crack state.
The designing requirement releasing force of motor cover lock 1 of the present utility model is as far as possible little, so that the user can easily open hood; The power of upspringing that while motor cover lock 1 needs again to provide enough big is upspring hood.Design difficulty mainly is how only to use a resilience actuator 16 to address the above problem.Suppose that the people is that the releasing force that applies is that F1, resilience actuator pulling force are F2, the arm of force of resilience actuator pulling force is that center from first keeper 100 is to the vertical distance of resilience actuator 16 at the axis of rotation of unlock piece 12, this distance is represented with L2, the arm of force of releasing force be from the center of first keeper 100 to the distance of the point of application, this distance is represented with L1; The gravity of hood is represented with G, the arm of force of gravity is to the vertical distance of the axis of rotation of snap close holding part 14 from the center of second keeper 102, this distance is represented with L4, the resilience actuator upspring power the arm of force for from the center of second keeper 102 to the vertical distance of resilience actuator 16 at the axis of rotation of snap close holding part 14, this distance is represented with L3.Fig. 3 shows the torque balance relation of motor cover lock 1:
Snap close holding part 14 torque balances relation: F1 * L1=F2 * L2
Unlock piece 12 torque balances relation: F2 * L3=G * L4
Motor cover lock of the present utility model 1 only applies little releasing force and just can obtain the problem of the power of upspringing greatly by regulating L1, L2, L3, the length of four arm of forces of L4 and relation each other thereof, can solving.It will be understood by those skilled in the art that the described resilience actuator 16 and the link position of described snap close holding part 14 are positioned at below the axis of rotation of this snap close holding part 14, could make this snap close holding part 14 clockwise rotate like this.
In sum, the motor cover lock 1 of integrated release of the present utility model, the supporting mechanism of upspringing is simple in structure, compact, easy to use, and reliability height, with low cost.
Claims (4)
1. motor cover lock is characterized in that: the unlock piece that this motor cover lock comprises lock housing, flexibly connect with described lock housing, be connected to the resilience actuator on described unlock piece and the snap close holding part with snap close holding part, the two ends of described lock housing flexible connection and be connected the snap close that matches with described snap close holding part on the hood; Described unlock piece and the mutual clamping of described snap close holding part, the link position of described resilience actuator and described snap close holding part is positioned at below the axis of rotation of this snap close holding part.
2. motor cover lock according to claim 1 is characterized in that: described unlock piece is provided with support slot, and described snap close holding part is provided with the Access Division, and the shape of this Access Division matches with the shape of described support slot.
3. motor cover lock according to claim 1 and 2 is characterized in that: this motor cover lock also comprises described unlock piece and snap close holding part is pressed on pressing plate on the described lock housing.
4. motor cover lock according to claim 3 is characterized in that: the axis of rotation of described unlock piece is positioned at an end of this unlock piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720069199 CN201050245Y (en) | 2007-04-20 | 2007-04-20 | Engine hood lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720069199 CN201050245Y (en) | 2007-04-20 | 2007-04-20 | Engine hood lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201050245Y true CN201050245Y (en) | 2008-04-23 |
Family
ID=39336729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200720069199 Expired - Lifetime CN201050245Y (en) | 2007-04-20 | 2007-04-20 | Engine hood lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201050245Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102267494A (en) * | 2010-06-04 | 2011-12-07 | 株式会社久保田 | Hood locking device for work vehicle |
| CN103386614A (en) * | 2013-08-06 | 2013-11-13 | 超捷紧固系统(上海)股份有限公司 | Automatic production system for vehicle fixed supporting sleeve |
| CN103628755A (en) * | 2012-08-24 | 2014-03-12 | 现代自动车株式会社 | 2-step guide hood latch apparatus for vehicle |
| CN103726728A (en) * | 2013-11-29 | 2014-04-16 | 天津博信汽车零部件有限公司 | Engine hood lock used for vehicle and vehicle comprising engine hood lock |
| CN103899155A (en) * | 2014-03-17 | 2014-07-02 | 江苏皓月汽车锁股份有限公司 | Engine cover lock assembly |
| CN103899163A (en) * | 2014-03-17 | 2014-07-02 | 江苏皓月汽车锁股份有限公司 | Split type engine cover lock |
| CN104033048A (en) * | 2013-03-04 | 2014-09-10 | 平和精工株式会社 | Hood latch with double-unlocking function |
| CN106193842A (en) * | 2016-07-05 | 2016-12-07 | 上汽通用汽车有限公司 | Hood cover lock |
| CN106567631A (en) * | 2015-10-13 | 2017-04-19 | 上海汽车集团股份有限公司 | Lock catch for engine cover, lock for engine cover, and automobile |
-
2007
- 2007-04-20 CN CN 200720069199 patent/CN201050245Y/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102267494B (en) * | 2010-06-04 | 2013-01-23 | 株式会社久保田 | Hood locking device for work vehicle |
| CN102267494A (en) * | 2010-06-04 | 2011-12-07 | 株式会社久保田 | Hood locking device for work vehicle |
| CN103628755A (en) * | 2012-08-24 | 2014-03-12 | 现代自动车株式会社 | 2-step guide hood latch apparatus for vehicle |
| CN103628755B (en) * | 2012-08-24 | 2018-01-26 | 现代自动车株式会社 | 2-step guide hood latch device for vehicle |
| CN104033048A (en) * | 2013-03-04 | 2014-09-10 | 平和精工株式会社 | Hood latch with double-unlocking function |
| CN103386614A (en) * | 2013-08-06 | 2013-11-13 | 超捷紧固系统(上海)股份有限公司 | Automatic production system for vehicle fixed supporting sleeve |
| CN103726728B (en) * | 2013-11-29 | 2016-03-30 | 天津博信汽车零部件有限公司 | For vehicle bonnet louver and there is its vehicle |
| CN103726728A (en) * | 2013-11-29 | 2014-04-16 | 天津博信汽车零部件有限公司 | Engine hood lock used for vehicle and vehicle comprising engine hood lock |
| CN103899163A (en) * | 2014-03-17 | 2014-07-02 | 江苏皓月汽车锁股份有限公司 | Split type engine cover lock |
| CN103899155B (en) * | 2014-03-17 | 2016-03-02 | 江苏皓月汽车锁股份有限公司 | A kind of hood lock body assembly |
| CN103899155A (en) * | 2014-03-17 | 2014-07-02 | 江苏皓月汽车锁股份有限公司 | Engine cover lock assembly |
| CN103899163B (en) * | 2014-03-17 | 2016-04-20 | 江苏皓月汽车锁股份有限公司 | A kind of splitting cnginc cover lock |
| CN106567631A (en) * | 2015-10-13 | 2017-04-19 | 上海汽车集团股份有限公司 | Lock catch for engine cover, lock for engine cover, and automobile |
| CN106193842A (en) * | 2016-07-05 | 2016-12-07 | 上汽通用汽车有限公司 | Hood cover lock |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080423 |