JP2736575B2 - Secondary lock release device for food lock device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a secondary unlocking device for an automobile engine hood lock device.

[0002]

2. Description of the Related Art As shown in FIG. 7, an engine hood lock device 12 for an automobile is provided with a main lock for releasing the lock by an operation from the passenger compartment and a hood for preventing the hood from jumping at once when the main lock is released. It has a function with a secondary lock to perform.

As shown in FIG. 7, the engine hood 1 includes a main lock striker 2 and a secondary lock striker 3, and the main lock fixed to a radiator support 13 on the body side (see FIG. 8). The main striker 2 that can turn around the support shaft 6 a and enters the groove 5 on the base plate 4 having the groove 5 for locking of the striker 2.
To the secondary lock striker 3, which is rotatable around a support shaft 7 a, which is pivotable to lock and unlock the ratchet 6, and which is rotatable around a support shaft 10 a. And a catch lever 10 which is engaged and disengaged. A main lock release wire 9 which is operated from the vehicle interior is connected to the powl 7 and the catch lever 10 is disengaged from the secondary lock striker 3. For this purpose, a secondary lock release lever 11 for turning the catch lever 10 is provided. Reference numeral 8 denotes a return spring of the ratchet 6.

[0004]

In the above configuration,
The main lock is released by disengaging the pawl 7 from the ratchet 6 with the main lock release wire 9 operated from the vehicle interior. After the main lock is released, the secondary lock is released. To do so, stand in front of the vehicle, insert a hand through a small gap 15 between the upper surface of the radiator grill 14 and the engine hood 1 as shown in FIG. Catch lever 1
0 is disengaged from the secondary lock striker 3.

Accordingly, in order to release the secondary lock, as described above, the secondary lock release lever 11 must be groped by inserting a hand through the small gap 15 between the upper surface of the radiator grill 14 and the engine hood 1, and , There is a problem that the hands get dirty.

An object of the present invention is to provide a secondary lock release device of a hood lock device which has solved such a problem.

[0007]

SUMMARY OF THE INVENTION In order to achieve the above object, the gist of the present invention is to provide a main lock striker and a secondary lock striker in an engine hood, and the main lock is mounted on a base plate fixed to a body side. Hood lock device comprising a ratchet engaged and disengaged with the striker for use, a pawl for locking and unlocking the ratchet, and a catch lever engaging and disengaging the striker for secondary lock, an outer case fixed near the radiator grille. Inner case that is always urged in the forward direction by a spring and can be moved in the forward and backward direction with a constant stroke, and this inner case is always urged in the backward direction by the spring and can move in the forward and backward direction with a constant stroke The operating rod provided and the inner case A first wire having tandem and serial ratchet, in which a second wire having tandem with the operating rod and the catch lever.

[0008]

With the above arrangement, when the main lock is released from the vehicle interior, the inner case moves forward in conjunction therewith, and the operating rod projects forward from the gap in the radiator grille. By gripping the operating rod and pulling it forward, the catch lever is pivoted to disengage from the secondary lock striker. Further, when the opened engine hood is pressed down to automatically lock, the protruding inner case moves backward and returns to the original position in conjunction with the locking operation. When the operating rod is released from the state of being pulled forward, the operating rod is immediately moved backward by the spring and returned to the original position.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 denotes an engine hood, 12 denotes a hood lock device fixed to a radiator support 13, 1
Reference numeral 4 denotes a radiator, and reference numeral 20 denotes a secondary lock release device according to the present invention fixed to the radiator 14.

The structure of the hood lock device 12 is almost the same as the conventional structure as shown in FIG. That is, the ratchet which can turn around the support shaft 6a as a fulcrum and engages with and disengages from the main lock striker 2 entering the concave groove 5 is provided on the base plate 4 having the concave groove 5 for locking of the main lock striker 2. 6, a pawl 7 rotatable around a support shaft 7a to lock and unlock the ratchet 6, and a catch lever rotatable about the support shaft 10a to engage and disengage with the striker 3 for secondary lock. And a main lock release wire 9 operated from the vehicle interior.
Are combined. Further, the catch lever 10 is provided with a secondary lock release lever 11 (see FIG. 4) for turning the catch lever 10 to release the engagement from the secondary lock striker 3.
Reference numeral 8 denotes a return spring of the ratchet 6, and in FIG. 4, reference numeral 11a denotes a return spring of the secondary lock release lever 11.

The structure of the secondary lock release device 20 will be described with reference to FIG. An outer case 21 is fixed to the radiator support 13 as shown in FIG.
An inner case 22 is guided inside the outer case 21 so as to be slidable in the front-rear direction. Has been energized. The inner case 22 is provided with a stopper 27 that contacts the outer case 21 and regulates a forward end, and a stopper 29 that regulates a retreat end. Therefore, the inner case 22 protrudes and retracts from the front end surface of the outer case 21 with a stroke regulated by the stoppers 27 and 29.

The inner case 22 has a stay 23,
Slide piece 25 connected to the rear end of stay 23
Are slidably guided in the front-rear direction, and a moving force is constantly urged in the retreating direction by a spring 28 stretched between the slide piece 25 and the inner case 22. The slide piece 25 is provided with a stopper 30 which abuts on the inner case 22 and regulates the forward end.
A knob 24 is attached to the front end of the knob.

Further, as shown in FIGS. 2 and 4, the inner case 22 and the ratchet 6 are connected by a first wire 31, and the slide piece 25 and the secondary lock release lever 11 are connected by a second wire 32. It is linked.

The operation of the present invention having the above configuration will be described with reference to FIGS. FIG. 4 shows a hood locked state. In this state, the hood lock device 12 engages with the ratchet 6 and locks the main lock striker 2 that has entered the concave groove 5 of the base plate 4 by restricting the removal direction with the ratchet 6 that turns in the lock direction, The pawl 7 is engaged with the ratchet 6 which is turning in the lock direction to restrict the turn in the unlock direction. The catch lever 10 is located immediately above the secondary lock striker 3 with a gap.

On the other hand, in the secondary lock release device 20 in the hood locked state, the turning force in the locking direction of the ratchet 6 is transmitted to the inner case 22 via the first wire 31 and is constantly urged in the forward direction by the spring 26. The inner case 22 is moved backward into the outer case 21. The stay 23 is retracted into the inner case 22 by the spring 28, and the knob 24 at the front end of the stay 23 is immersed in the gap of the radiator grill 14.

To release the hood lock, the main lock release wire 9 is pulled from the vehicle interior, and the pawl 7 is swung to disengage from the ratchet 6. Thereby, as shown in FIG. 5, the ratchet 6 is pivoted in the unlocking direction by the return spring 8 to unlock the main lock striker 2. The lock of the main lock striker 2 is released, and the hood 1 rises. When the hood 1 slightly rises, the catch lever 10 is engaged with the secondary lock striker 3 to be secondary locked, and the upward movement of the hood 1 is suppressed.

The first wire 31 is slackened due to the rotation of the ratchet 6 in the unlocking direction. This first
Inner case 2 pulled to the retreat end by wire 31
2 is moved to the forward end by a spring 26, and as shown in FIG. 5, the inner case 22 projects from the front end of the outer case 21, and the knob 24 at the front end of the stay 23 projects forward from the radiator grill 14. Therefore, Pick 2
4 is in a state where it can be easily gripped.

Therefore, the knob 24 is gripped and the stay 2 is held.
3, the stay 23 causes the slide piece 2 to resist the tension of the spring 28 as shown in FIG.
5, the secondary lock release lever 11 is actuated via the second wire 32 at the stroke at this time, and the catch lever 10 is engaged by the secondary lock striker 3. Is released, the secondary lock is released, and the hood 1
Is free to rise.

After releasing the secondary lock, the knob 2
When the release 4 is released, the stay 23 and the slide piece 25 are moved backward in the inner case 22 by the spring 28 to return to the original position. Further, by pushing down the hood 1 and locking it again, the first wire 31 is pulled by the rotation of the ratchet 6 in the locking direction, and the inner case 22 is moved to the outer case 2.
It moves backward within 1 and returns to its original position.

[0020]

As described above, according to the present invention, an inner case is provided in an outer case fixed near a radiator grill, which is always urged in the forward direction by a spring and is movable in the front-rear direction with a constant stroke. An operating rod provided on the inner case so as to be constantly urged in a retreating direction by a spring and movable in a front-rear direction with a constant stroke, and a first wire connecting the inner case and a main lock lever of a hood lock device; Since the operation rod and the second wire connected to the secondary lock catch lever of the hood lock device are provided, the operation rod for releasing the secondary lock projects forward from the radiator grille in conjunction with the release of the main lock. This facilitates the operation of releasing the secondary lock and removes the gap between the radiator grille as before. There is no need to look for secondary lock release lever by touch, also, it is also no longer possible to contaminate the hand, to improve the operability.

Further, since the secondary lock release device is simply connected to the food lock device having the conventional structure by the first and second wires, there is no need to change the structure of the food lock device, and the secondary lock release device can be immediately applied to the current one. It has the practicality that can be.

[Brief description of the drawings]

FIG. 1 is a side view showing the overall configuration of the present invention.

FIG. 2 is a perspective view of the present invention.

FIG. 3 is an essential perspective view and an exploded perspective view of the device of the present invention.

FIG. 4 is a sectional view of the present invention in a hood lock state;

FIG. 5 is a sectional view of the present invention in a main lock released state.

FIG. 6 is a sectional view of the present invention in a secondary unlocked state.

FIG. 7 is a front view of a conventional general food lock device.

FIG. 8 is an operation explanatory view of a secondary lock release in a conventional hood lock device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Hood 2 Striker for main lock 3 Striker for secondary lock 4 Base plate 5 Groove 6 Ratchet 7 Poul 9 Wire for main lock release 10 Catch lever 11 Secondary lock release lever 12 Hood lock device 14 Radiator grille 20 Secondary lock release device 21 Outer Case 22 Inner case 23 Stay 24 Knob 25 Slide piece 26 Spring 28 Spring 31 First wire 32 Second wire

Claims (1)

(57) [Claims] An engine hood includes a main lock striker and a secondary lock striker,
A hood lock device comprising: a ratchet engaged and disengaged from the main lock striker on a base plate fixed to the body side; a pawl for locking and unlocking the ratchet; and a catch lever engaging and disengaging from the secondary lock striker. , An inner case fixed in the outer case fixed near the radiator grille, always urged in the forward direction by a spring and movable in the front-rear direction with a constant stroke, and always urged in the backward direction by a spring on this inner case An operating rod provided so as to be movable in the front-rear direction with a constant stroke, a first wire connecting the inner case and the ratchet, and a second wire connecting the operating rod and the catch lever. Secondary lock of hood lock device characterized by the following Removal equipment.