JP2547267B2 - Hood lock device for automobile - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a hood lock device for an automobile having a primary lock device and a secondary lock device, and more particularly to opening a hood with a lock release lever of the secondary lock device. The present invention relates to an automobile hood lock device that can be used.

[Prior Art] As a conventional device of this type, there is, for example, a device as shown in FIGS.

As shown in FIG. 4, a hood lock device is provided between the radial core upper 1 of the vehicle body and the front end edge portion 2a of the hood 2. Specifically, the base 3 is fixed to the radio core upper 1, and the primary latch 5 of the primary lock device 4 is rotatably attached to the base 3 by the shaft 6, while the base 3 is attached to the front end edge 2a side of the hood 2. Is the striker 7 that is engaged with the engaging recess 5a of the primary latch 5.
Is projected downward.

In the engaged state of the striker 7, a lock member 8 that engages with the primary latch 5 and maintains this state is rotatably arranged.

In this way, the primary lock device 4 is configured.

On the other hand, in the secondary lock device 9, a secondary latch 10 is rotatably arranged by a shaft 11,
An engaging portion 10a that engages and disengages with an engaged portion 2c provided on the hood inner 2b of the hood 2 is formed on the upper end of the, and an operating portion 10b that extends in a substantially horizontal direction is formed.

When the hood 2 is opened, the lock member 8 of the primary lock device 4 is first rotated clockwise in FIG. 5 by a remote operation from the vehicle interior to release the engagement state with the primary latch 5. . Then, the lock member 8 is rotated clockwise by the biasing means (not shown), the striker 7 is disengaged from the engagement recess 5a of the primary latch 5, and the hood 2 is pushed up slightly.

In this state, the locking portion 10a of the secondary latch 10
Is still engaged with the locked portion 2c of the hood 2,
The hood 2 is not completely opened and the secondary lock device 9 is in the locked state.

Then, after the occupant pushes up the operation portion 10b of the secondary latch 10 to release the engagement state with the hood locked portion 2c, as shown in FIG. 6, the hemmed front edge of the hood 2 is released. Hold the part 2a and push the hood 2 upward. As a result, the hood 2 is completely opened.

In addition, as this kind of thing, for example, 1-12 of "New edition Automotive Engineering Handbook 6th edition" issued by the Japan Society of Automotive Engineers of Japan
There is something like that described on the page.

[Problems to be Solved by the Invention] However, in such a conventional hood lock device, when the hood 2 is opened, the occupant operates the secondary latch 10 to release the secondary lock, and then the occupant releases the hood 2. The operability is poor because the hood 2 is opened by pushing up the hemmed front edge 2a. Further, since the sharp front end edge portion 2a is pushed up and pushed up, when the force is applied, the sharp front end edge portion 2a hits, so that there is a problem that it is difficult to apply the force and the operability is poor.

[Means for Solving the Problem] The present invention has been made in view of such conventional problems, and is provided between the rear surface side of the front end edge portion of the hood and the vehicle body, and has a primary lock device and a secondary lock device. And a device, after releasing the primary lock device, by operating a lock release lever of the secondary lock device, to release the secondary lock, to open the hood, the vehicle hood lock device, A lock release lever is attached to the front end edge portion of the hood so as to be slidable in the vehicle front-rear direction and rotatable about an axis extending in the vehicle width direction, and biases the lock release lever forward of the vehicle. Is provided at the tip of the lock release lever and is located below the front edge of the hood when the lock release lever slides forward of the vehicle. As described above, a handle member is formed, and a locking member that is moved by the rotation of the lock release lever and is engaged with and disengaged from the locked portion on the hood side is rotatably projected from the vehicle body side. Between the lock release lever and the vehicle body, when the hood is closed, the lock release lever is slid rearward of the vehicle, and the hood is completely closed, and the lock release lever is retracted. The hood lock device for an automobile is provided with a slide means for maintaining

[Operation] According to such means, when the hood is opened, the primary lock device is first released. Then, the hood is lifted to some extent, the lock of the slide means is released, the lock release lever moves forward by the urging means, and the handle portion of the lock release lever is positioned below the front edge of the hood. .

From this state, the occupant pushes the handle portion upward. Then, the lock release lever releases the secondary lock device, and the occupant can open the hood while holding the handle portion. Therefore, unlike the conventional case, it is not necessary to change over, and it is not necessary to directly hold the pointed hood front end edge portion, and it is easy to apply force,
Operability is good.

On the other hand, when the hood is closed, the lock release lever is slid to the rear of the vehicle by the sliding means against the biasing force of the spring, and is stopped in the state of being retracted from the hood. Thus, by retracting the lock release lever, the handle portion is hidden in the hood, and the appearance quality can be maintained.

[Examples] Hereinafter, the present invention will be described based on Examples.

1 to 3 are views showing an embodiment of the present invention.

First, the structure will be described. The primary lock device 4 of this embodiment is the same as the conventional one, and therefore its explanation is omitted.

The secondary lock device 14 of this embodiment includes a hood-side base plate on the hood inner 2b of the hood front end edge portion 2a.
15 is attached, and a lock release lever 16 is attached to the hood-side base plate 15. A secondary latch 17 as a locking member that is rotated by the lock release lever 16 to release the secondary lock is arranged on the side of the radial core upper 1.

Specifically, the lock release lever 16 extends along the vehicle front-rear direction, a shaft 18 projecting from the hood-side base plate 15 is rotatably inserted into the elongated hole 16a, and the hood-side base plate 15 is provided. It is inserted in the slit 15a formed in. Thus, the lock release lever 16 is slidably and rotatably arranged in the vehicle front-rear direction, and is biased by the spring 21 toward the front of the vehicle. A handle portion 16b is formed at the tip of the lock release lever 16, while the handle 16b is formed at the rear end.
A pressing piece 16c for rotating the secondary latch 17 is formed by bending. The handle portion 16b is set so as to be positioned below the front end edge portion 2a of the hood 2 when the lock release lever 16 moves forward.

On the other hand, the secondary latch 17 is attached to the vehicle body side base plate 19 whose lower end portion 17a is fixed to the radio core upper 1 by an axis.
It is rotatably mounted via 20, and by the spring 22,
It is biased counterclockwise. The secondary latch 17 has an upper end portion to which the hooked portion 15 on the hood inner 2b side is locked.
A hook-shaped locking portion 17b that locks to b is formed, and at the middle portion, by the pressing piece 16c of the lock release lever 16,
A pressed piece 17c to be pressed is provided in a protruding manner.

A guide piece portion 19a having a predetermined elastic force is formed on the vehicle body side base plate 19, while a slide portion 16d that slides on the guide piece portion 19a is formed on the lock release lever 16 downward. This guide piece 1 which is formed to project
By the 9a and the sliding portion 16d, when the hood 2 is closed, the lock release lever 16 is slid toward the rear of the vehicle against the bias of the spring 21 to maintain the lock release lever 16 in the retracted state. The sliding means is configured. By disposing a roller or the like in the guide piece portion 19a or the sliding portion 16d, sliding resistance can be reduced.

Next, the operation of the vehicle hood lock device having the above configuration will be described.

When opening the hood 2, first, like the conventional method,
The primary lock device 4 is released by remote control from the passenger compartment. Then, the hood 2 is slightly lifted by the biasing means (not shown) (see FIG. 2). This allows
The sliding portion 16d of the lock release lever 16 is separated from the guide piece portion 19a of the vehicle body side base plate 19 and the lock release lever 1
6 is moved forward by the biasing force of the spring 21, as shown in FIG. In this state, the handle portion 16b of the lock release lever 16 is located below the front end edge portion 2a of the hood 2.

From this state, the occupant pushes the handle portion 16b upward. Then, the pressing piece 16c of the unlocking lever 16 presses the pressed piece 17c of the secondary latch 17 to rotate clockwise in FIG. 2 against the biasing force of the spring 22. 17 locking part 17b
However, it disengages from the locked portion 15b of the hood inner 2b. Then, the handle portion 16b comes into contact with the hood front end edge portion 2a, and the occupant can open the hood 2 while holding the handle portion 16b. Therefore, as in the conventional case, the handle portion 16
It has good operability without having to change b, and it is not necessary to have a sharp hood front edge 2a, so it is easy to apply force.
Operability is good.

On the other hand, when the hood 2 is closed, the lock release lever
The sliding portion 16d of the lock release lever 16 abuts and slides on the guide piece portion 19a of the vehicle body side base plate 19 from the state where the lock release lever 16 moves forward.
It is slid rearward of the vehicle against the urging force of and returns to the state shown in FIG. In this way, when the lock release lever 16 is retracted, the handle portion 16b is moved to the hood 2
It can be hidden inside and maintain the appearance quality.

[Effects of the Invention] As described above, according to the present invention, since the hood can be opened by holding the handle portion of the lock release lever, there is no need to change the handle portion as in the conventional operation. In addition to good performance, there is no need to directly hold the leading edge of the hood to open the hood, so that the hood can be easily opened, which is a practically useful effect.

[Brief description of drawings]

1 to 3 are views showing an embodiment of a hood lock device for an automobile of the present invention, and FIG. 1 is a sectional view taken along the vehicle longitudinal direction showing a state in which the hood is completely closed, and FIG. The figure shows the first state in which the primary lock device is released.
FIG. 3 is a sectional view corresponding to the drawing, FIG. 3 is a perspective view showing a secondary lock device, FIGS. 4 to 6 are views showing a conventional example, and FIG. 4 is a perspective view showing a part of the vehicle body in a hood open state. FIG. 5 is an explanatory view showing a conventional hood lock device, and FIG. 6 is a sectional view showing a front end edge portion of the hood along the vehicle front-rear direction. 1 …… Radio core upper (car body) 2 …… Hood 2a …… Front end edge 4 …… Primary lock device 14 …… Secondary lock device 15b …… Locked part 16 …… Lock release lever 16b …… Handle part 16d ...... Sliding part (slide means) 19a ...... Guide piece part (slide means) 17 …… Secondary latch (locking member) 21 …… Spring (biasing means)

Claims (1)

(57) [Claims] 1. A lock release lever of the secondary lock device, which is arranged between a rear surface side of a front edge portion of a hood and a vehicle body and includes a primary lock device and a secondary lock device. You can release the secondary lock by operating
In a hood lock device for an automobile, which opens the hood, the lock release lever is attached to a front end edge portion of the hood so as to be slidable in a vehicle front-rear direction and rotatable by a shaft extending in a vehicle width direction. However, a biasing means for biasing the lock release lever toward the front of the vehicle is provided, and the tip end of the lock release lever is positioned below the front edge of the hood when the lock release lever slides toward the front of the vehicle. A handle part is formed on the lock release lever, and a locking member that is moved by the rotation of the lock release lever and engages with and disengages from the locked part on the hood is rotatably projected from the vehicle body side; When the hood is closed, the lock release lever slides toward the rear of the vehicle between the lock release lever and the vehicle body side, and when the hood is completely closed, the lock release lever moves backward. A hood lock device for an automobile, comprising slide means for maintaining a retracted state.