JP3842191B2 - Bonnet locking device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a bonnet locking device that locks a bonnet on a vehicle body frame side so as to be opened and closed.
[0002]
[Prior art]
A conventional bonnet locking device has a lever for hooking a finger when releasing the lock with the finger. (For example, refer to Patent Document 1).
[0003]
[Patent Document 1]
JP 2000-54706 A (page 2-3, FIG. 5)
[0004]
Patent Document 1 will be described in detail with reference to the drawings.
FIG. 9 is an explanatory diagram of a conventional vehicle bonnet locking device (a copy of FIG. 5 of Patent Document 1).
The conventional locking device has a structure in which a striker engagement groove 2 is formed in the center of a base plate, and a latch 3, a ratchet 4 and a half latch body 14 (having an inclined wall 18) are swingably attached, and the bonnet is closed. Sometimes, quietness can be achieved by sliding between the inclined wall 18 and the striker 10.
[0005]
When opening the bonnet, when the wire 22 is pulled with the release lever of the driver's seat, the striker 10 is detached from the latch 3 (lift mechanism), but is closed by the half latch body 14 (half latch engaging claw 16). Further, the lever 19 of the half latch body 14 is pushed up with a finger in the direction of the white arrow to release the closing.
The following figure shows a bonnet locked with such a locking device.
[0006]
FIG. 10 is an explanatory view of an example of a bonnet employing a conventional locking device. The bonnet 101 includes an outer panel 102, an inner panel 103, a striker 104 (a striker body 105, a striker mounting plate 106), and a lever. A storage portion 108 for storing 107 is formed.
When opening the bonnet, the striker 104 is pushed up by the lift mechanism already described, and at the same time, the bonnet 101 is pushed up to the extent that the finger 109 enters as shown by the two-dot chain line, and the lever 107 is pushed up in the direction of the arrow a by the finger 109 The closing of the half latch body 110 is released.
[0007]
[Problems to be solved by the invention]
As shown in FIG. 10, the conventional vehicle bonnet locking device forms a large storage portion 108 so that the lever 107 does not interfere with the bonnet 101 when the lever 107 is pushed up in the direction of arrow a by the finger 109. There is a need. As a result, the height of the bonnet 101 is increased, and the degree of freedom in design is reduced.
[0008]
SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a bonnet locking device that can be made compact and increase the degree of freedom of bonnet design.
[0009]
[Means for Solving the Problems]
In order to achieve the above object, the first aspect of the present invention secures the closed state of the bonnet by engaging the U-shaped striker provided on the bonnet side with the catch means provided on the vehicle body frame side, and is attached to the catch means. In the bonnet locking device that releases the bonnet by operating the unlocking lever with your finger, and the bonnet can be opened, the unlocking lever is set so that the swinging direction is horizontal. A finger-hanging piece storage opening is provided in the striker plate member on the bottom of the bonnet so that the finger-hanging piece is erected at one end of the bonnet so that it does not interfere with the finger-hanging piece when the bonnet is closed. And
[0010]
The lock release lever and the finger hanger piece can be moved in the horizontal direction without interfering with the bonnet, and the lock device can be made compact in the vertical direction.
In addition, since the locking device can be made compact in the vertical direction, the space inside the hood can be saved, and the degree of freedom in designing the hood can be increased.
A second aspect of the present invention is characterized in that the finger-hanging piece storage opening is disposed in front of a position where the U-shaped striker is disposed.
Since the finger-holding piece storage opening is arranged in front of the position where the U-shaped striker is arranged, the finger-holding piece of the lock release lever can be pushed in the horizontal direction with the finger by inserting a finger from the gap under the bonnet. In this case, when the bonnet is closed, the finger-hanging piece does not interfere with the bonnet side by the finger-hanging piece storage opening. That is, the finger-hanging piece can be arranged in front of the U-shaped striker while saving space in the bonnet.
A third aspect of the present invention is characterized in that the movement width of the finger-hanging piece in the horizontal direction is set with the swinging fulcrum interposed immediately above the swinging fulcrum of the lock release lever.
Since the movement width of the finger hanging piece in the horizontal direction is set with the rocking fulcrum directly above the rocking fulcrum of the lock release lever, when moving the finger hanging piece in the horizontal direction with the finger, The amount of movement in the vertical direction can be minimized. Therefore, the locking device can be made more compact in the vertical direction.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the accompanying drawings. The drawings are viewed in the direction of the reference numerals.
FIG. 1 is a perspective view of a vehicle using a bonnet locking device according to the present invention. A vehicle 10 includes a vehicle body frame 11, a driver seat 12, a hood 13 provided in front of the driver seat 12, and a front body 14. With.
[0012]
The bonnet 13 includes a bonnet main body 15, a lock device 16 that locks the bonnet main body 15 to the front body 14 of the vehicle body frame 11, an opener lever 17 provided in the driver's seat 12, and the opener lever 17 and the lock device 16. And a cable 18 connected therebetween. Reference numeral 21 denotes a radiator support of the front body 14.
[0013]
2 is a cross-sectional view taken along line 2-2 of FIG. 1, showing a state where the bonnet 13 is closed and locked, and also shows the bonnet main body 15 and the locking device 16.
The bonnet body 15 includes an outer plate 22, an inner plate 23, a filler 24 filled between the outer plate 22 and the inner plate 23, and a striker 27 (attached to the inner plate 23 as a bonnet bottom by welding. A striker body 31 and a striker plate member 32).
[0014]
The locking device 16 fixes the base plate 33 to the radiator support 21 with bolts 34 (... indicates a plurality; the same applies hereinafter), and attaches catch means 35 to the base plate 33. The striker body 31 is engaged and locked. Reference numeral 37 denotes a lock release lever attached to the catch means 35, and 41 denotes a finger-hanging piece standing on one end 38 of the lock release lever 37.
The striker plate member 32 was provided with a finger-hanging piece storage opening 42.
[0015]
FIG. 3 is a perspective view of the striker and the locking device according to the present invention, showing the locked state, the striker 27 comprising the striker body 31 and the striker plate member 32, and storing the finger-hanging pieces in the striker plate member 32 The opening 42 is opened, and it is shown that the finger hanging piece 41 standing at one end 38 of the lock release lever 37 attached to the catch means 35 is passed through the finger hanging piece storage opening 42.
The striker body 31 is formed by forming a steel round bar into a U shape.
[0016]
FIG. 4 is a view taken in the direction of arrow 4 in FIG. 2 and shows the catch means 35 of the locking device 16.
The catch means 35 is attached to the right side of the base plate 33 so that it can swing, and the latch 44 is attached to the left side of the base plate 33 so as to engage with the locking lever 43 so that it can swing. A safety latch 45 is pivotally attached to the center of the base plate, a first tension spring 46 is hung between the base plate 33 and the latch 44, a second tension spring 47 is hung between the locking lever 43 and the safety latch 45, A striker stopper 48 is attached at the center.
[0017]
FIG. 5 is a perspective view of the locking device according to the present invention. The locking plate 43 of the catching device 35 and the latch 44 engaged with the locking lever 43 are shown together with the base plate 33 and the catching device 35 of the locking device 16 described above. A safety latch 45 attached to the center of the base plate 33, a first tension spring 46 that is hung between the base plate 33 and the latch 44, a second tension spring 47 that is hung between the locking lever 43 and the safety latch 45, The striker stopper 48 attached to the center is shown.
[0018]
The base plate 33 has a first striker groove 51 into which a striker main body 31 (see FIG. 3) formed at the center is fitted, a safety latch stopper 52 molded downward, and a latch stopper 53 formed upward. .
The locking lever 43 has a cable hooking hole 54 and a first hooking portion 56.
[0019]
The latch 44 includes a second striker groove 61 with which the striker main body 31 (see FIG. 3) is engaged, a second hooking portion 62 on which the first hooking portion 56 of the locking lever 43 is hooked, and a lift portion 63 that pushes up the striker main body. Have
[0020]
The safety latch 45 includes a striker storage groove 65, the above-described lock release lever 37, a finger-hanging piece 41 standing on one end 38 of the lock-release lever 37, a buffer member 66 covering the finger-hanging piece 41, and a lifted state (FIG. 6). And an auxiliary latch portion 67 that prevents the striker body from being detached in (b)), and the lock release lever 37 is set so that the swinging direction (C-axis direction) is the horizontal direction (X-axis direction). did.
[0021]
Here, the axis in the upper right of the figure is a coordinate axis, X is an axis indicating a horizontal linear motion (horizontal direction), Y is an axis orthogonal to X and indicating the vertical direction, Z is orthogonal to X and Y, and indicates the front-rear direction. An axis C shown is an axis indicating a turning motion (oscillation direction) around the Z axis.
[0022]
Next, the operation of the locking device will be described.
When opening the hood 13 of FIG. 1, the cable 18 (inner wire) is pulled by pulling the opener lever 17 provided in the driver's seat 12 as shown by the arrow (1), and the locked state (lock mechanism) of FIG. The locking lever 43 is pulled with the inner wire 68. The continuation is explained in the next figure.
[0023]
FIGS. 6A and 6B are first operational views of the locking device according to the present invention.
In (a), when the locking lever 43 in the locked state is pulled with the cable 18 as shown by the arrow (2), the first hooking portion 56 of the locking lever 43 is separated from the second hooking portion 62 of the latch 44, so that the latch 44 Begins to turn as indicated by arrow (3) by the first tension spring 46.
[0024]
In (b), the latch 44 is turned as shown by the arrow (3) by the first tension spring 46, so that the second striker groove 61 is disengaged from the striker body 31, that is, unlocked and lifted. The striker body 31 is pushed up in the vertical direction indicated by the Y-axis by the portion 63 (lift mechanism), and at the same time, the latch 44 stops at the stopper 53 of the base plate 33. As a result, the bonnet 13 rises at a position indicated by a two-dot chain line in FIG.
Next, a finger is inserted through the gap under the hood 13 and the lock release lever 37 is operated with the finger.
[0025]
FIG. 7 is a second operation view of the locking device according to the present invention.
The finger-hanging piece 41 of the unlocking lever 37 indicated by a two-dot chain line is pushed against the second tension spring 47 by the finger 71 against the second tension spring 47 as indicated by the arrow (4), and the safety latch 45 as indicated by the solid line. The auxiliary latch portion 67 is released from the striker body 31. At that time, as shown in FIG. 3, the finger-hanging piece 41 moves in the horizontal direction as indicated by an arrow (4).
[0026]
As described above, in the bonnet locking device 16, the unlocking lever 37 is set so that the swinging direction (the direction of the arrow 4) is horizontal, and the finger-hanging piece 41 is erected on one end 38 of the unlocking lever 37. The striker plate member 32 at the bottom of the bonnet is provided with the finger-holding piece storage opening 42 so that the finger-hanging piece 41 does not interfere with the lock-off lever 37 and the finger-hanging piece 41 in the horizontal direction without interfering with the bonnet. The locking device 16 can be made compact in the vertical direction.
[0027]
As shown in FIG. 2, since the finger-hanging piece 41 erected on the one end 38 of the lock release lever 37 of the safety latch 45 is covered with the buffer member 66, the impact force acting on the collision object hitting the bonnet 13 can be reduced. Can do.
[0028]
FIGS. 8A and 8B are comparative views of bonnet locking devices.
(A) is a copy of FIG. 10, showing an example of a bonnet employing a conventional locking device, where the lock position is R, and the intersection point on the bonnet separated from the lock position R by the reference distance Lf is Bk, When the height of the hood is from the lock position R to the intersection point Bk, the height of the hood is Hk.
[0029]
FIG. 2B is a copy of FIG. 2 and shows the locking device 16 of the present invention, where the locking position is R, the intersection point on the hood separated from the locking position R by the reference distance Lf is Bn, and from the locking position R When the height of the bonnet is defined up to the intersection Bn, the height of the bonnet is Hn.
As apparent from the figure, according to the present invention, the height of the bonnet can be lowered by [Hk−Hn].
That is, the locking device 16 can be made compact and the degree of freedom in designing the hood can be increased.
[0030]
The configuration of the striker 27 (the striker body 31 and the striker plate member 32) of FIG. 2 shown in the embodiment of the present invention is an example.
The form of the latch 44 and the form of the locking lever 43 of the catch means 35 shown in FIG. 4 are examples, and the lock mechanism and the lift mechanism may be configured in other forms.
[0031]
【The invention's effect】
The present invention exhibits the following effects by the above configuration.
According to the first aspect of the present invention, the unlocking lever of the bonnet locking device provided on the vehicle body frame side is set so that the swinging direction is horizontal, and a finger-hanging piece is erected on one end of the unlocking lever. Since the striker plate member on the bottom of the bonnet is provided with a finger-holding piece storage opening so that the piece penetrates without interference when the bonnet is closed , the lock release lever and finger-holding piece do not interfere with the bonnet. The locking device can be made compact in the vertical direction, and the degree of freedom in designing the hood can be increased.
According to the second aspect of the present invention, since the finger-hanging piece storage opening is arranged in front of the position where the U-shaped striker is arranged, the finger-holding piece of the lock release lever is horizontally inserted by the finger through the gap under the bonnet. Even when the bonnet is closed, the finger-hanging piece does not interfere with the bonnet side by the finger-holding piece storage opening when the bonnet is closed. That is, the finger-hanging piece can be arranged in front of the U-shaped striker while saving space in the bonnet.
According to the third aspect of the present invention, the horizontal movement width of the finger-hanging piece is set with the rocking fulcrum sandwiched immediately above the rocking fulcrum of the lock release lever. In addition, the amount of movement of the finger-hanging piece in the vertical direction can be minimized. Therefore, the locking device can be made more compact in the vertical direction.
[Brief description of the drawings]
1 is a perspective view of a vehicle using a bonnet locking device according to the present invention. FIG. 2 is a cross-sectional view taken along line 2-2 of FIG. 1. FIG. 3 is a perspective view of a striker and locking device according to the present invention. FIG. 5 is a perspective view of the locking device according to the present invention. FIG. 6 is a first action diagram of the locking device according to the present invention. FIG. 7 is a second action of the locking device according to the present invention. FIG. 8 is a comparison diagram of a bonnet locking device. FIG. 9 is an explanatory diagram of a conventional vehicle bonnet locking device. FIG. 10 is an explanatory diagram of an example of a bonnet using a conventional locking device.
DESCRIPTION OF SYMBOLS 11 ... Body frame, 13 ... Bonnet, 16 ... Locking device, 27 ... Striker, 31 ... U-shaped striker (strike body), 32 ... Plate member for striker, 35 ... Catch means, 37 ... Lock release lever, 38 ... Lock One end of the release lever, 41: finger-hanging piece, 42: finger-hanging piece storage opening, 71: finger, C: swinging direction, X: horizontal direction.

Claims (3)

Engage the U-shaped striker provided on the bonnet side with the catch means provided on the body frame side to secure the closed state of the bonnet, and operate the lock release lever attached to the catch means with the finger In the hood locking device that eliminates the problem and makes the hood openable,
The lock release lever is set so that the swinging direction is horizontal, and a finger-hanging piece is erected on one end of the lock-release lever so that the finger-hanging piece does not interfere with the hood closed. A bonnet locking device comprising a striker plate member provided on a striker plate at the bottom of the bonnet so as to penetrate the bonnet. 2. The bonnet locking device according to claim 1, wherein the finger-hanging piece storage opening is disposed in front of a position where the U-shaped striker is disposed. The bonnet according to claim 1 or 2, wherein a width of movement of the finger-hanging piece in the horizontal direction is set with a swinging fulcrum sandwiched immediately above a swinging fulcrum of the lock release lever. Locking device.

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