JPH072909Y2 - Vehicle hood lock device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a hood lock device for a vehicle, which locks and unlocks a hood that is openably and closably attached to a vehicle body by a hood lock.

[Conventional technology]

2. Description of the Related Art Conventionally, in the case of a vehicle hood lock device shown in FIGS. 5 to 7, as shown in FIGS. 6 and 7 showing a hood lock mounting relationship, as shown in FIG.
The hood lock mounted on the front surface of 12 with three bolts 14 has a pole 5, a ratchet 4, and a spring 9 built in between the radiator support upper 12 and the hood lock front base 1, and these constituent members 5, 4 , Tightened parts are provided on both sides and below, avoiding 9 and 9.

Also, as can be seen from the drawings from FIG. 5 to FIG.
In order to prevent unlocking of the hood lock by the cable hooking part 8 of the pole 5 from the lower side of the hood lock and the illegal wire etc. entering the pole 5 from the front, the protects 18, 18a and 18b are set at a plurality of places. ing.

Further, it has a ratchet 4 for biting the striker 3 welded to the hood inner 2 shown in FIG. 7, and a cable hooking portion 8 of the tip end portion 70 of the hood cable 7 which meshes with the ratchet 4 when the striker 3 is bitten. The pole 5, the spring 9 engaged with the ratchet 4 and the pole 5 respectively in order to hop up the striker 3 when unlocking the hood lock, and the Oggile rear catch 19 that operates the hood in two steps when unlocking the hood lock 19 In a hood lock having a return spring 20 for returning the Oggilia rear catch 19, and a hood lock front base 1, the ratchet 4 and the pole 5 are attached to the radiator support upper 12 side of the hood lock front base 1 by pins 6 and 6. It is crimped, and Oggilia rear catch 19 is hood lock front ba And caulked at the pin 21 on the front face of the 1.

Furthermore, the hood cable 7 and the pole 5 are prevented from being unlocked illegally by hooking a wire or the like from the lower surface of the hood lock, and the lock is unlocked by illegally entering the wire from each notch hole of the hood lock front base 1. In order to prevent this, a plurality of protectors 18, 18a, 18b are provided on the lower surface and front surface of the hood lock front base 1.

The hood lock having the above-mentioned components is fixed to the cable fixing portion 22 protruding from the hood lock front base 1 after inserting the tip end portion 70 of the hood cable 7 into the cable hooking portion 8 of the pole 5, and is fitted with the hood lock. Is fixed to the radiator support upper 12 with two bolts 14 from the front of the hood lock front base 1.

It should be noted that one lower side of the bolt 14 is fixed to the burring portion of the hood lock front base 1 with a hood lock brace 23 shown by a chain line in FIG.

At this time, the hood lock is fixed while the ratchet 4, the pole 5, the spring 9, and the rear base 24 shown in FIG. 5 are arranged between the hood lock front base 1 and the radiator support upper 12.

Further, FIG. 8 shows a "vehicle lock mounting" disclosed in Japanese Utility Model Laid-Open No. 56-31157, in which an opening / closing member such as a hood or a trunk lid attached to the vehicle body is opened and closed by a latch mechanism 25 and a striker. In the vehicle lock mounting in which the vehicle body is locked in the closed state by the S, the notch 27 for entering the striker S is formed at the corner portion of the vehicle body component 26 or the opening / closing body which constitutes the lock device mounting portion. The latch mechanism is attached to the inside of the corner portion so that the striker S engages with the latch mechanism 25 inside the corner portion when the opening / closing body is closed ”.

[Problems to be solved by the device]

However, in the case of the conventional example shown in FIGS. 5 to 7,
The hood lock has a ratchet 4, a pole 5 and a spring 9 arranged on the hood lock front base 1, and a bolt 14 can be tightened from the front of the hood lock front base 1 to the front of the radiator support upper 12. Since the space for the tightening tool must be provided on the side of the base 1 and therefore the tightening portions are provided on both sides and the lower side to avoid interference with the above-mentioned components, the hood lock front base 1 is large in both the upper and lower sides. Becomes

Further, since the hood lock is fixed to the front surface of the radiator support upper 12 to which the hood lock is attached, when the hood is opened, as shown in FIG. 6, the hood lock and its constituent members, the ratchet 4, the pole 5, and the return. The spring 20 is visible and looks bad. In addition, special consideration is required to prevent rust and dust, resulting in increased costs.

By the way, protectors 18, 18a, 18b formed along the hood lock front base 1 and the radiator support upper 12 and welded to the hood lock front base 1.
Prevents illegal wire or the like from entering the hood cable 7 and the pole 5 from below when the hood is closed after the hood lock is fixed, but since the hood lock is arranged on the front surface of the radiator support upper 12, Due to space limitations, the front, rear, left, and right shape dimensions of the hood lock itself are restricted, and the shape of the protectors 18, 18a, 18b becomes complicated. Therefore, there is a problem in productivity in that the protectors 18, 18a, 18b which are set separately from the main constituent members must be welded to the hood lock front base 1.

Further, in the case of the conventional example shown in FIG. 8, since the notch 27 for entering the striker S is formed in the upper portion of the vehicle body component 26, there is a risk that the lock is illegally released from the notch 27 by a wire or the like.

Therefore, in order to solve such a problem, the present invention aims to prevent unauthorized unlocking using a wire or the like and to downsize the hood lock.

[Means for Solving the Problems]

Therefore, in this invention, in a vehicle hood lock device that locks and unlocks a hood that is openably and closably attached to a vehicle body with a hood lock, a ratchet that meshes with a striker that is fixed to a hood inner and a ratchet that meshes with the ratchet. And a spring that urges the ratchet to the striker insertion standby position when the pawl and ratchet are disengaged from each other are pivotally attached to the front base made of a flat plate member, and the flanges are provided at the top, bottom, left, and right end positions. The hood lock is constructed by surrounding it with a box-shaped rear base, and by covering the upper end position of the hood lock with a flange part of the front base and the rear base leaving a space where the striker can enter the hood lock. , The front and upper side of this hood lock, the upper plate part and the front plate part While covering it with the radiator support upper, the front base side of the hood lock is brought into contact with the back surface of the front plate portion, and the hood is attached to the back surface of the front plate portion of the radiator support upper by inserting and fastening a bolt from the front surface side of the front plate portion to the back surface side. It is characterized in that a lock is provided.

[Action]

According to the above-mentioned means, the pole, ratchet and spring, which are the operating members of the hood lock for locking and unlocking the hood, are enclosed and housed by the front base and the rear base, and the front base is attached to the rear side of the front side plate of the radiator support upper. In addition, since the flange formed on the upper end of the front base or the rear base covers the space where the striker enters, it prevents the operating member in the hood lock from being operated from the outside of the vehicle body by a wire or the like.

Further, since the operating member of the hood lock is enclosed and housed by the front base and the rear base, even if the operating member overlaps with the fastening part to the radiator support which is the body side member of the hood lock, it has a positional relationship. The hood lock can be attached to the body member.

〔Example〕

An embodiment of the present invention will be described below with reference to the accompanying drawings.

1 to 4 show an embodiment of the present invention, in which a hood lock is a hood lock front base 1 made of a flat plate member having flange portions at upper and lower ends corresponding to the front base. The ratchet 4 that engages the striker 3 welded to the hood inner 2 shown in FIG. 4 and the pawl 5 that engages the ratchet 4 and engages the ratchet 4 that engages the striker 3 in the engaged state are shown in FIGS. As shown in the drawing, it is rotatably pivoted by pins 6, 6, and a cable hooking portion 8 for hooking a tip end portion 70 of a hood cable 7 shown by a chain line in FIG. 1 is formed on this pole 5. By pulling the hood cable 7, the pole 5 rotates counterclockwise around the pin 6 to the position shown by the chain line in the position shown by the solid line to unlock the engagement with the ratchet 4. It has become.

When the ratchet 4 and the pawl 5 are disengaged by the hood cable 7, the ratchet 4 is rotated counterclockwise from the position shown by the solid line in FIG. A biasing spring 9 is hooked between the spring hook portion 40 of the ratchet 4 and the cut-and-raised portion 1a of the hood lock front base 1.

On the other hand, the ratchet 4, the pole 5 and the spring 9, which are the operation members pivotally attached to and locked on the hood lock front base 1, are formed in a box shape having the hood lock front base 1 and flange portions at the top, bottom, left and right end positions. It is surrounded by the rear base 10 that is formed to form a hood lock.

And, as can be seen from FIG. 2, the rear base 10 has a cable locking portion 71 for locking the hood cable 7.
A spring hook portion 100 for hooking the return spring 11 shown in FIGS. 1 and 2 for returning the pole 5 is provided. The spring hook portion 100 and the spring shown in FIG. The return spring 11 for returning the pole 5 is hooked on the hooking hole 50.

Then, the front end portion 70 of the hood cable 7 is hooked on the cable hooking portion 8 of the pole 5, the hood cable 7 is fixed to the cable locking portion 71 of the rear base 10, and the body side member of the hood lock mounting counterpart member. The hood lock front base 1 of the hood lock is brought into contact with the front plate portion 12b of the radiator support upper 12 formed by the upper plate portion 12a and the front plate portion 12b and having a substantially inverted L-shaped cross section, in the vicinity of the corner of the rear surface of the hood lock.
From the radiator support upper side, pass the bolts 14 through the three screw tightening portions 13 of the hood lock front base 1 respectively, and attach the hood lock to the radiator support upper side.
Fixed at 12.

As described above, the radiator support upper 12 is formed by the upper plate portion 12a and the front plate portion 12b to have at least a substantially inverted L-shaped cross section, as shown in FIG. As described above, the hood lock is fixed within the inverted L-shaped cross section.

By the way, the radiator support upper 12 has an upper molding portion (flange portion formed at the upper end position of the front base) of the hood lock front base 1 shown in FIGS. 1 and 2 formed to cover the ratchet 4 portion. The opening 16 shown by a chain line through which a through hole 15 is inserted is provided, and a ratchet part that rotates in the upper molding part 15 of the hood lock front base 1 from the opening 16 of the radiator support upper 12 is provided. Since a certain ratchet 4 is made to project upward toward the hood inner 2 side, when the hood lock is fixed to the radiator support upper 12, when the hood is opened, the radiator support upper 12
Only the meshing portion of the ratchet 4 seen from the upper molding portion 15 of the hood lock front base 1 and the striker insertion molding portion 17 molded in the hood lock front base 1 can be visually observed through the opening 16.

Thus, the ratchet 4, the pole 5, the spring 9 and the return spring 11, and the hood cable 7
Is a hood lock front base 1 made of a flat plate member having flange portions at upper and lower end portions and a box-shaped rear base 10 having flange portions at upper, lower, left and right end portions.
Cover the entire circumference, and the front and upper sides of the hood lock are fixed to the upper plate 12a of the radiator support upper 12.
Since it is covered with the front plate portion 12b, foreign matter such as wire can be prevented from entering the pole 5, the hood cable 7 and the like, which are the operating members of the hood lock, when the hood is closed.

[Effect of device]

In this invention, as described above, the operating member of the hood lock is enclosed and housed by the front base and the rear base, and further, the front and upper sides of the hood lock are covered by the upper plate part and the front plate part of the radiator support upper. Since the lock is attached to the back side of the front side plate portion, it is possible to prevent the operating member in the hood lock from being illegally operated with a wire or the like from the outside of the vehicle body and prevent theft.

Further, the member for protecting the operating member of the hood lock is provided on the back surface of the radiator support upper, so that the space constraint is weakened, and as a result, the shapes of the front base and the rear base made of the flat plate member are not complicated. The protective member is excellent in moldability, and since a connecting means such as caulking other than welding can be taken, productivity is improved.

Furthermore, since the operating member of the hood lock is enclosed and housed by the front base and the rear base arranged in front and rear, the front base surface side that abuts the radiator support upper does not interfere with the operating member and the fastening tool at the time of bolt fastening. Since it is not necessary to consider the above, it is possible to overlap the actuating member and the fastening member at the front and rear positions, and as a result, the front and rear base shapes of the hood lock can be downsized.

[Brief description of drawings]

FIGS. 1 to 4 show an embodiment of the present invention, FIG. 1 is a front view, FIG. 2 is a perspective view showing a state in which a hood lock is attached to a body side member, and FIG. 1 is a plan view of FIG. 1, FIG. 4 is a side view of FIG. 1, and FIGS. 5 to 8 show conventional examples, and FIG. 5 shows one conventional example. Front view, FIG. 6 is a perspective view corresponding to FIG. 2, FIG. 7 is a side view of FIG. 5, and FIG. 8 is a front view showing another conventional example. 1 ... Hood lock front base 2 ... Hood inner 3 ... Striker 4 ... Ratchet 5 ... Pole 7 ... Hood cable 9 ... Spring 10 ... Rear base 12 ... Body side member (Radiator support upper)

Claims (1)

[Scope of utility model registration request] 1. A hood lock device for a vehicle, wherein a hood that is openably and closably attached to a vehicle body is locked and unlocked with respect to the vehicle body by a hood lock. A ratchet that meshes with a striker fixed to a hood inner, and a meshing with the ratchet. And a spring that biases the ratchet to the striker insertion standby position when the pawl and ratchet are disengaged from each other. The hood lock is constructed by surrounding it with a box-shaped rear base, and by covering the upper end position of the hood lock with a flange part of the front base and the rear base leaving a space where the striker can enter the hood lock. , The front and upper sides of this hood lock have an upper plate part and a front plate part While covering with the radiator support upper, the front base side of the hood lock is brought into contact with the back surface of the front side plate portion, and the bolt is inserted and tightened from the front side surface side of the front side plate portion to the back side side to secure the hood on the back side of the front side plate portion of the radiator support upper. A hood lock device for a vehicle having a lock.