WO2020026426A1 - Hood lock device for vehicle - Google Patents

Abstract

This hood lock device comprises a base plate that holds a latch mechanism engaging with a striker provided to a hood of a vehicle, and a hook supported on a spindle provided to the base plate so that the hook is capable of turning about the spindle, the hook being configured so as to lock the striker which has separated from the latch mechanism. The hood lock device also comprises a flange part that is provided to the spindle and that forms an enclosing part which together with the base plate encloses the hook therebetween in the axial direction of the spindle, and a rattling-minimizing member that is fitted with the flange part and that expands the enclosing part in a diametral direction.

Description

Vehicle hood lock device

The present invention relates to a vehicle hood lock device.

Some hood lock devices for vehicles include a latch mechanism that engages a striker provided on a hood and a hook that locks the striker detached from the latch mechanism.
For example, the hood lock device described in Patent Literature 1 includes a base plate that is fixed to a vehicle frame (such as a radiator support) while holding the latch mechanism and the hook. In this hood lock device, the hook is pivotally supported so as to be rotatable about a support shaft provided on the base plate. Further, the conventional hood lock device includes an operation lever that rotates integrally with the hook. By operating the operation lever, the hook can be unlocked by the hook and the hood can be opened.

JP 2006-9392A

However, in the hood lock device having the above configuration, the hook is likely to rattle. Then, since the texture may be deteriorated by this, there is still room for improvement in this point.

An object of the present invention is to provide a vehicle hood lock device that can suppress rattling of a hook.

A vehicle hood lock device that solves the above problem includes a base plate that holds a latch mechanism that is engaged with a striker provided on a hood of the vehicle, and a support that is rotatable around a support shaft provided on the base plate. A hook supported on a shaft and configured to lock the striker detached from the latch mechanism; and a hook provided on the support shaft and sandwiching the hook between the base plate and the base plate in the axial direction of the support shaft. A flange portion forming a sandwiching portion, and a play suppressing member fitted to the flange portion and expanding the sandwiching portion in a radial direction are provided.

FIG. 2 is a perspective view of the hood lock device according to the first embodiment. The front view of the hood lock device of FIG. FIG. 2 is a rear view of the hood lock device of FIG. 1. FIG. 4 is a sectional view taken along the line IV-IV in FIG. 2. FIG. 3 is a front view of a cover member according to the first embodiment. FIG. 5 is an enlarged sectional view of the hood lock device of FIG. 4. The front view of the cover member in a 2nd embodiment. FIG. 10 is an enlarged sectional view of a hood lock device according to a second embodiment. The front view of the cover member of another example. FIG. 10 is an enlarged sectional view of another example of the hood lock device of FIG. 9. The front view of the cover member of another another example. FIG. 12 is an enlarged sectional view of another example of the hood lock device of FIG. 11. The expanded sectional view of the food lock device of another example.

[First Embodiment]
Hereinafter, a first embodiment of a vehicle hood lock device will be described with reference to the drawings.
As shown in FIGS. 1 to 3, a hood lock device 1 of the present embodiment includes a latch mechanism 5 that engages a striker 4 provided on a hood 3 of a vehicle 2, and a striker 4 that is detached from the latch mechanism 5. And a base plate 11 fixed to the frame 2 f of the vehicle 2 while holding the latch mechanism 5 and the hook 10.

The base plate 11 of the present embodiment includes a base 11a having a substantially flat outer shape, and a pair of fixed flanges 11b provided on both sides in the width direction (left and right directions in FIGS. 2 and 3) of the base 11a. Have. The base plate 11 has a first surface S1 and a second surface S2. On the first surface S1, the hook 10 is held on a base 11a (see FIG. 2), and on the second surface S2, a latch mechanism is mounted on the base 11a. 5 is retained (see FIG. 3). The base plate 11 is configured to be fixed to the frame 2f of the vehicle 2 by fastening the fixing flanges 11b.

Specifically, as shown in FIG. 1, a base plate 11 is provided at a front portion of the vehicle 2 so that a first surface S1 for holding a hook 10 is positioned on a vehicle front side with respect to a radiator support 12 constituting a frame 2 f of the vehicle 2. (In FIG. 1, in front of the paper). The base plate 11 has a slit-shaped striker entrance groove 14 that opens upward when fixed to the radiator support 12. When the engine hood (bonnet) 3f covering the upper part of the radiator support 12 is closed, the striker 4 provided in the engine hood 3f enters the striker entrance groove 14. The latch hood 5 held on the base plate 11 is irremovably engaged with the striker 4 that has entered the striker entrance groove 14 to restrain the striker 4, thereby bringing the engine hood 3f of the vehicle 2 into a fully closed state. Will be retained.

Further, the hood lock device 1 of the present embodiment can release the engagement of the latch mechanism 5 with the striker 4 by operating, for example, an open lever provided in the vehicle interior (not shown). I have. The striker 4 detached from the latch mechanism 5 is locked by the hook 10.

Specifically, as shown in FIGS. 2 and 4, the base plate 11 includes a support shaft 15 provided upright on the first surface S1 of the base 11a. The hook 10 is held on the base plate 11 so as to be rotatable around the support shaft 15.

フ ッ ク As shown in FIG. 2, the hook 10 has a locking lever 20 having a hook-shaped engaging claw 20a at the tip. When the hook 10 is held at the initial position P0 based on the elastic force of the extension coil spring 21, the locking lever 20 is arranged so as to extend upward along the striker entry groove 14. The hook 10 locks the striker 4 in such a manner that the striker 4 detached from the latch mechanism 5 is engaged from below with an engagement claw 20 a provided at the tip of the locking lever 20. It has become.

フ ッ ク Furthermore, the hook 10 includes an operation lever 23 extending in a direction substantially orthogonal to the locking lever 20. Specifically, when the hook 10 rotates (clockwise in FIG. 2) based on the urging force of the extension coil spring 21, the operation lever 23 moves in the direction in which the tip of the locking lever 20 moves (in FIG. 2). , Right). Further, the operation lever 23 has a bent shape in which the front end side extends toward the vehicle front side (in FIG. 2, the front side in the drawing). An engagement claw 20 a provided at the tip of the locking lever 20 extends toward the operation lever 23.

The hook 10 can be rotated from the initial position P0 against the urging force of the extension coil spring 21 by operating the grip portion 23a provided at the tip of the operation lever 23 by lifting it upward (FIG. 2). , Counterclockwise direction). As a result, the striker 4 is detached from the engaging claw 20a provided at the tip of the locking lever 20 inclining in the circumferential direction. As a result, it is possible to release the locking of the striker 4 by the hook 10 and open the engine hood 3f.

詳述 More specifically, as shown in FIG. 4, the rivet-shaped shaft member 30 is fixed to the base 11 a so as to penetrate the base 11 a of the base plate 11. The shaft member 30 has a shaft portion 30a protruding from the first surface S1 (left side in FIG. 4) of the base portion 11a, and the shaft portion 30a forms the support shaft 15. The support shaft 15 has a substantially disk-shaped outer shape, and has a flange portion 31 facing the base plate 11. The flange portion 31 is located on the side where the hooks 10 are arranged with respect to the base plate 11 (base portion 11a), that is, on the side where the first surface S1 of the base plate 11 exists. Thus, the hood lock device 1 is configured to rotatably support the hook 10 around the support shaft 15 formed by the shaft member 30 in such a manner that the hook 10 is sandwiched between the flange portion 31 and the base plate 11. ing. The flange portion 31 forms a sandwiching portion 50 for sandwiching the hook 10 in cooperation with the base plate 11.

As shown in FIGS. 5 and 6, the hood lock device 1 includes a cover member 40 fitted to the flange portion 31 in a state where the flange portion 31 provided on the support shaft 15 is disposed inside. I have.

Specifically, the cover member 40 has a cylindrical portion 41 fitted on the outer periphery of the flange portion 31 and a top wall closing one axial end of the cylindrical portion 41. The cover member 40 is formed using, for example, a relatively soft resin material that can be elastically deformed. The cover member 40 has an inner cylindrical portion 42 that fits into the distal end portion 15a of the support shaft 15 that extends through the flange portion 31. An engagement protrusion 43 extending in the radial direction of the support shaft 15 is provided at the distal end 15 a of the support shaft 15. An engagement hole 44 that engages with the engagement protrusion 43 is formed in the inner cylinder portion 42. As a result, the cover member 40 is fitted to the flange portion 31 in a state in which the cover member 40 cannot rotate around the support shaft 15.

In the hood lock device 1 of this embodiment, since the cover member 40 covers the support shaft 15, rainwater, dust, and the like hardly enter the portion where the support shaft 15 supports the hook 10. Thereby, it is possible to ensure high reliability of the hood lock device 1 by ensuring smooth rotation of the hook 10.

Further, in the cover member 40 of the present embodiment, the tubular portion 41 fitted to the outer periphery of the flange portion 31 causes the sandwiching portion 50 formed by the flange portion 31 to be formed on the support shaft 15 in the radial direction (the vertical direction in FIG. 6). ).

That is, the hook 10 pivotally supported by the support shaft 15 at an axial position between the base plate 11 (specifically, the base portion 11 a) and the flange portion 31 sandwiches the hook 10 formed by the flange portion 31 opposed to the base plate 11. By contacting the portion 50, its axial movement is restricted. And, by increasing the diameter of the sandwiching portion 50, rattling of the hook 10 can be suppressed.

Based on this point, in the present embodiment, the cover member 40 is fitted to the flange portion 31 as described above, so that the diameter D of the sandwiched portion formed by the flange portion 31 is reduced from the diameter D1 of the flange portion 31 alone. Then, the diameter is increased to D2 including the cylindrical portion 41 of the cover member 40 fitted to the outer periphery thereof (D → D ′). Thereby, the rattling of the hook 10 is suppressed. The tubular portion 41 forms a part of the sandwiching portion 50.

Next, effects of the present embodiment will be described.
(1) The hood lock device 1 includes a base plate 11 that holds a latch mechanism 5 that is engaged with a striker 4 provided on a hood 3 (3f) of the vehicle 2 and a rotation around a support shaft 15 provided on the base plate 11. A hook 10 movably supported by the support shaft 15 and locking the striker 4 detached from the latch mechanism 5. Further, the hood lock device 1 includes a flange portion 31 provided on the support shaft 15 and forming a sandwiching portion 50 for sandwiching the hook 10 between the support shaft 15 and the base plate 11 in the axial direction of the support shaft 15. The hood lock device 1 includes a backlash suppressing member 51 that is fitted to the flange portion 31 and expands the sandwiching portion 50 in the radial direction.

According to the above configuration, rattling of the hook 10 can be easily suppressed with a simple configuration.
(2) The play suppressing member 51 is fitted to the flange portion 31 in a state where it cannot rotate around the support shaft 15. By adopting such a configuration, it is possible to avoid a state where the hook 10 can be tilted due to the rotation of the backlash suppressing member 51 together with the hook 10. Thereby, rattling of the hook 10 can be effectively suppressed.

(3) The hood lock device 1 includes the cover member 40 that covers the support shaft 15 with the flange portion 31 disposed inside. Then, the cover member 40 functions as the backlash suppressing member 51.

According to the above configuration, since the cover member 40 covers the support shaft 15, rainwater, dust, and the like hardly enter the portion where the support shaft 15 supports the hook 10. Thereby, by ensuring smooth rotation of the hook 10, high reliability of the hood lock device 1 can be secured. In addition, since the cover member 40 functions as the backlash suppressing member 51, rattling of the hook 10 can be efficiently suppressed with a simple configuration.

[Second embodiment]
Hereinafter, a second embodiment of a vehicle hood lock device will be described with reference to the drawings. Note that, for convenience of description, the same components as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

As shown in FIGS. 7 and 8, the hood lock device 1B of the present embodiment is different from the hood lock device 1 of the first embodiment in the configuration of the cover member 40B.
More specifically, the cover member 40 </ b> B of the present embodiment is provided in such a manner as to protrude radially outward from a side surface (peripheral surface) 41 s of the cylindrical portion 41 fitted on the outer periphery of the flange portion 31 provided on the support shaft 15. It has an extended portion 61. Specifically, the extending portion 61 is provided at a position that is the upper end of the cover member 40B in the up-down direction of the vehicle 2 (the up-down direction in FIGS. 7 and 8). That is, the extending portion 61 provided on the peripheral portion (the side surface 41s of the tubular portion 41) of the cover member 40B extends upward.

The extension 61 has a substantially flat outer shape that extends in the radial direction (vertical direction in FIGS. 7 and 8) and the axial direction (horizontal direction in FIG. 8) of the support shaft 15. When viewed from the side of the cover member 40B, that is, when the extending portion 61 is viewed from the plate thickness direction (see FIG. 8), the extending portion 61 becomes tapered upward. It has a shape. Further, when the cover member 40 </ b> B is fitted to the flange portion 31, the portion of the extension portion 61 that faces the hook 10 supported by the support shaft 15 is substantially flush with the flange portion 31. It is formed so that it becomes. Thereby, the extension part 61 functions as a part of the play suppressing member 51.

(4) In the hood lock device 1B in which the hook 10 locks the striker 4 above the support shaft 15, rattling occurs as the hook 10 is tilted in the axial direction of the support shaft 15. However, as described above, the extending portion 61 extending upward from the upper end of the cover member 40 </ b> B sets the diameter D (D 0) of the sandwiched portion formed by the flange portion 31 provided on the support shaft 15 to the upper side of the flange portion 31. In (2), the diameter is further increased (D '= D2). Thereby, it is possible to more effectively suppress the rattling of the hook 10.

Furthermore, the extending portion 61 extending upward from the upper end of the cover member 40B functions to distribute rainwater flowing down from above the cover member 40B to the left and right. In particular, since the extension portion 61 of the present embodiment has a triangular plate shape that tapers upward, the rainwater that has flowed down can be efficiently distributed to the left and right. Thereby, it is possible to more effectively prevent rainwater from entering a portion where the support shaft 15 supports the hook 10.

As described above, according to the configuration of the present embodiment, the above-described excellent effects can be obtained in addition to the same effects as the first embodiment.
Each of the above embodiments can be modified and implemented as follows. The above embodiment and the following modified examples can be implemented in combination with each other within a technically consistent range.

In the above embodiments, the base plate 11 is fixed to the radiator support 12 of the vehicle 2. Then, the latch mechanism 5 is engaged with the striker 4 provided on the engine hood 3f that covers the upper part of the radiator support 12, and the hook 10 locks the striker 4 detached from the latch mechanism 5. However, the present invention is not limited to this. For example, in the case of a vehicle having an engine mounted on the rear portion, the position where the base plate 11 is fixed or the target object may not necessarily be the radiator support 12 at the front portion of the vehicle. Further, for example, in the case of an electric vehicle, the hood 3 of the vehicle 2 held by the hood lock device 1 in the fully closed state is not necessarily the engine hood 3f.

In each of the above embodiments, the hook 10 is provided with a locking lever 20 having an engaging claw 20a for locking the striker 4 at the tip, and an operation for rotating the hook 10 to release the lock of the striker 4. And a lever 23. However, the present invention is not limited to this, and an operation input member formed separately may be connected to the hook 10 having a locking portion for locking the striker 4.

In the second embodiment, the cover member 40B has the extending portion 61 extending upward from the peripheral edge portion (the side surface 41s of the cylindrical portion 41) of the cover member 40B located at the upper end thereof.

However, the present invention is not limited to this. Like the hood lock device 1C shown in FIGS. 9 and 10, the cover member 40C has an extension 61 extending upward from the upper end of the cover member 40C as in the second embodiment. In addition, a second extension 62 extending downward from a peripheral portion of the cover member 40C located at the lower end of the cover member 40C may be provided.

By adopting such a configuration, the diameter D (D0) of the sandwiching portion formed by the flange portion 31 provided on the support shaft 15 can be further increased in the vertical direction of the flange portion 31. (D '= D3). Thereby, rattling of the hook 10 can be suppressed more effectively.

Further, the rainwater distributed to the left and right by the extending portion 61 provided at the upper end of the cover member 40C is smoothly rectified by the second extending portion 62 provided at the lower end of the cover member 40C. It can flow below this cover member 40C. Thereby, it is possible to more effectively suppress the intrusion of rainwater into the portion where the support shaft 15 supports the hook 10.

Also, as in the hood lock device 1D shown in FIGS. 11 and 12, a tapered surface on the peripheral edge of the cover member 40D is reduced in diameter in a direction away from the base plate 11 (a direction from right to left in FIG. 12). 40 s may be provided. By employing such a configuration, rainwater that has flowed down from above the cover member 40D can be distributed to the left and right, and can efficiently flow downward. Thereby, it is possible to effectively prevent rainwater from entering a portion where the support shaft 15 supports the hook 10.

Further, as in the hood lock device 1E shown in FIG. 13, the cover member 40E constituting the sandwiching portion 50 sandwiches the hook portion 10 between the base plate 11 and the flange portion 31 in the axial direction of the support shaft 15. A projection 70 projecting toward the base plate 11 beyond the surface 31s may be provided. In the cover member 40E, a protruding portion 70 is formed by extending a cylindrical portion 41E fitted on the outer periphery of the flange portion 31 toward the base plate 11. By adopting such a configuration, the interval between the pinching portions 50 and the base plate 11 for pinching the hooks 10 can be reduced, and rattling of the hooks 10 can be suppressed more effectively.

In the above embodiments and other examples, the cover member 40 (40B to 40E) that covers the support shaft 15 of the hook 10 with the flange portion 31 disposed inside functions as the backlash suppressing member 51. However, the configuration is not limited to this, and a configuration may be adopted in which the backlash suppressing member 51 having no function as the cover member 40 is used.

Claims (7)

A base plate that holds a latch mechanism that engages a striker provided on the hood of the vehicle,
A hook supported on the support shaft so as to be rotatable around a support shaft provided on the base plate, and configured to lock the striker detached from the latch mechanism;
A flange portion provided on the support shaft and forming a sandwiching portion for sandwiching the hook between the support plate and the base plate in the axial direction of the support shaft;
A hood lock device for a vehicle, comprising: a backlash suppressing member fitted to the flange portion and expanding the sandwiching portion in a radial direction. The vehicle hood lock device according to claim 1,
The hood lock device for a vehicle, wherein the play suppressing member is fitted to the flange portion in a state in which the play suppressing member cannot rotate around the support shaft. The vehicle hood lock device according to claim 1 or 2,
The hood lock device for a vehicle, wherein the backlash suppressing member is a cover member that covers the support shaft with the flange portion disposed inside. The vehicle hood lock device according to claim 3,
The hood lock device for a vehicle, wherein the cover member includes an extending portion extending upward from a peripheral portion of the cover member located at an upper end of the cover member in a vertical direction of the vehicle. The vehicle hood lock device according to claim 4,
The hood lock device for a vehicle, wherein the cover member includes a second extending portion extending downward from a peripheral edge portion of the cover member located at a lower end of the cover member. The vehicle hood lock device according to any one of claims 3 to 5,
The hood lock device for a vehicle, wherein the cover member has a tapered surface on a peripheral portion of the cover member, the diameter of which is reduced in a direction away from the base plate. The vehicle hood lock device according to any one of claims 1 to 6,
The flange portion has a sandwiching surface that sandwiches the hook between the flange and the base plate,
The hood lock device for a vehicle, wherein the play suppressing member has a protrusion that protrudes toward the base plate beyond the sandwiching surface in the axial direction of the support shaft.

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