JP3794466B2 - Open / close lock device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to, for example, an open / close lock device that opens and closes a door such as a glove box provided in the interior of an automobile, and more particularly to an improvement for preventing rattling when the door is closed.
[0002]
[Prior art]
Conventional lock opening / closing devices for preventing rattling when the door is closed are disclosed in, for example, Japanese Utility Model Laid-Open No. 58-62754 (Conventional Example 1) and Japanese Utility Model Laid-Open No. 63-78670 (Conventional Example 2). There is something. Although not specifically shown, these opening / closing locking devices are provided with a bracket bent in a U-shape called a striker at the opening edge of the glove box (storage portion), and hooks and locks on the door that opens and closes the opening. A body having a nail is provided. The striker enters the hook as the door is closed, and the lock claw follows the movement to close the front opening of the hook. Thereby, a striker is hold | maintained in a hook and a door maintains a closed state.
[0003]
Further, in the conventional example 1, a metal spring piece is extended and arranged in the hook, and the spring piece and the lock claw cooperate to hold the striker without a gap, thereby rattling when the door is closed. It has the structure which prevents. On the other hand, in the conventional example 2, a stopper made of an elastic body such as rubber is mounted in the hook, and the stopper and the lock claw cooperate to hold the striker without a gap, thereby preventing rattling when the door is closed. It has the composition to do.
[0004]
[Problems to be solved by the invention]
In any of the conventional examples described above, the spring pieces and stoppers that prevent rattling when the door is closed are separate parts from the main body that forms the hook. The complication of work accompanying the increase in man-hours becomes a problem.
In particular, since the stopper of the conventional example 2 is assembled by pressing the back projection of the stopper into a small mounting hole drilled in the wall surface of the hook, the work becomes a fine manual work and has a great influence on the reduction in productivity. It was. In addition, the stopper made of an elastic body such as rubber has a complicated shape, the molding operation is complicated, and the parts cost is high.
[0005]
In addition, since the spring piece of the conventional example 1 is made of a metal material, when the striker made of the same metal material is brought into contact with the striker, a high-pitched sound is generated due to the collision between the metals, which may cause discomfort to the user. there were.
The present invention has been made to solve such a conventional problem, and it is possible to prevent the striker from rattling and to facilitate the assembly work and reduce the product cost by reducing the number of parts. With the goal.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the invention according to claim 1 is an open / close lock device for opening and closing a door provided in an opening of a storage portion and maintaining the closed state of the door.
A striker provided at an opening edge of the storage portion, a device main body provided on the door, and having a hook-like hook portion that is detachable from the front opening when the door is opened and closed, and the device main body And a lock claw that can be moved in and out of the front opening of the hook portion, and an elastic that extends from the side surface of the hook portion, receives the striker at the tip, and holds the striker in cooperation with the lock claw. A support piece, and the elastic support piece is formed integrally with the device main body together with the hook portion.
[0007]
According to a second aspect of the present invention, there is provided an open / close lock device for opening and closing a door provided at the opening of the storage portion and maintaining the closed state of the door, and a striker provided at an opening edge of the storage portion. An apparatus main body having a hook-shaped hook portion on the top surface, which is provided on the door and is detachable from the front opening portion when the door is opened and closed, and the front opening of the hook portion incorporated in the apparatus main body. A lock claw that can be freely moved in and out of the unit, and an elastic support piece that extends from the side of the hook portion on the upper surface of the apparatus main body, receives the striker at the tip, and holds the striker in cooperation with the lock claw The elastic support piece is integrally formed with the hook together with the hook body.
[0008]
According to a third aspect of the present invention, on the premise of the first or second aspect, the elastic support piece is formed at symmetrical positions on both sides of the hook portion.
[0009]
The invention according to claim 4 is an open / close lock device for opening and closing a door provided at the opening of the storage portion and maintaining the closed state of the door, and a striker provided at an opening edge of the storage portion; An apparatus main body having a hook-shaped hook portion on the top surface, which is provided on the door and is capable of inserting and removing the striker from the front opening when the door is opened and closed, and is incorporated in the apparatus main body, and is attached to the front opening of the hook portion. A lock claw that can be moved in and out, and a pair of elastic support pieces that extend from symmetrical positions on the upper surface of the apparatus main body and centered on the hook portion, and hold the striker in cooperation with each other. The device is integrally formed with the hook body together with the hook body.
[0010]
Further, according to a fifth aspect of the present invention, on the premise of any one of the first to fourth aspects, the elastic support piece is a cantilever piece in which the thickness in the vicinity of the support end is formed thinner than the tip end portion where the striker abuts. It is characterized by being.
[0011]
Therefore, according to the first and second aspects of the invention, the elastic support piece elastically receives the striker, so that the impact when the door is closed is reduced. Thereafter, since the elastic support piece and the lock claw cooperate to hold the striker, it is possible to effectively prevent the striker and thus the rattling of the door. Since the elastic support piece is formed integrally with the hook portion, it is not necessary to assemble the elastic support piece. Therefore, the number of assembling steps is reduced and the workability is improved.
[0012]
According to the invention described in claim 3, even if the striker is inserted into the hook portion with an inclination, any one of the elastic support pieces formed at symmetrical positions on both sides of the hook portion receives the striker, You can hold the striker in cooperation.
[0013]
According to the invention described in claim 4, since the pair of elastic support pieces cooperate to hold the striker, it is possible to effectively prevent the striker and thus the rattling of the door. Also in the present invention, since the elastic support piece is formed integrally with the hook portion, it is not necessary to assemble it, so that the number of assembling steps can be reduced and the workability can be improved.
[0014]
According to the fifth aspect of the invention, since the elastic support piece is flexibly deformed with the vicinity of the support end as a fulcrum by reducing the thickness of the elastic support piece (cantilever piece) in the vicinity of the support end, sudden closure The elastic support piece bends and deforms following the striker collision caused by the operation, and damage to the elastic support piece can be prevented.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments in which the present invention is applied to a glove box in an automobile interior will be described in detail with reference to the drawings.
A glove box formed as a storage for small articles or the like in an automobile compartment has an opening on the front surface and a structure that allows the opening to be opened and closed by a door that is rotatable about a support shaft. The opening / closing lock device according to the present embodiment includes a striker 10 attached to the opening edge 1a of the glove box (storage portion) 1 as shown in FIG. 1, a device main body 20 attached to the door 2, and a device as shown in FIG. Each component includes a lock claw 40, a coil spring (biasing member) 50, and an operation knob 60 assembled to the apparatus main body 20.
[0016]
Here, the apparatus main body 20 is a resin molded product integrally formed by injection molding using a synthetic resin as a material. The lock claw 40 and the operation knob 60 are also resin molded products that are separately molded.
[0017]
The striker 10 is a rod-shaped metal part bent in a plane U shape as shown by an imaginary line in FIG. 5, and both ends are fixed to the approximate center of the opening edge 1a of the glove box as shown in FIG. The intermediate shaft portion 10a between the bent portions can be freely engaged and disengaged in the hook portion 21 of the apparatus main body 20 as will be described later.
[0018]
As shown in FIG. 2, the apparatus main body 20 has positioning projections 22a formed at appropriate positions on the front surface, and a mounting claw 22b extending from the rear end corner of the upper surface to the door. A concave portion 2a for mounting the apparatus main body 20 is formed at the center of the upper end of the door 2, as shown in FIG. 1, and a positioning hole (specifically, not shown) is formed at an appropriate position in front of the concave portion 2a. In addition, the positioning projection 22a of the apparatus main body 20 is engaged, and the mounting claw 22b is engaged with the mounting plate 2b projecting downward from the upper end edge of the recess 2a, so that the mounting on the door 2 is performed.
[0019]
Note that a notch 2c is formed in the recess 2a of the door 2 to which the apparatus main body 20 is mounted at a position opposed to a hook portion 21 of the apparatus main body 20, which will be described later (see FIG. 1). The striker 10 is engaged with the hook portion 21 through.
[0020]
As shown in FIG. 2, the device main body 20 is formed with a hook portion 21 curved in a hook shape at the center of the upper surface so as to protrude from the front surface with an opening 21a. The space in the hook portion 21 has a sufficient depth to allow the intermediate shaft portion 10a of the striker 10 to enter as shown in FIG. The striker 10 enters the inside of the hook portion 21 through the front opening 21 a of the hook portion 21 in accordance with the closing operation of the door 2.
[0021]
In addition, as shown in FIG. 2, the apparatus main body 20 is formed with a storage groove 23 of the lock claw 40 in the vertical direction from the center of the upper surface toward the inside, and guides are provided on the left and right inner surfaces of the storage groove 23, respectively. Grooves 24 are formed in the vertical direction. On the other hand, protrusions 41 that engage with the guide grooves 24 are formed on the left and right side surfaces of the lock claw 40.
[0022]
As shown in FIG. 2, the coil spring 50 is first inserted into the storage groove 23 from the opening on the upper surface, and then the lock claw 40 is fitted. At this time, the protrusion 41 formed on the lock claw 40 engages with the guide groove 24, so that the lock claw 40 can slide without rattling. The coil spring 50 urges the lock claw 40 placed on the upper end in the upward direction (that is, the direction in which the lock claw 40 protrudes from the storage groove 23).
[0023]
On the upper wall 21 b of the hook portion 21, a support groove 21 c for the lock claw 40 is formed at a location corresponding to the storage groove 23 and the guide groove 24. The lock claw 40 protruding upward by the urging force of the coil spring 50 closes the front opening 21a of the hook portion 21, and the upper end engages with the support groove 21c. The upper surface of the lock claw 40 is an inclined surface 40a as shown in FIG. 2, and when the striker 10 comes into contact with the inclined surface 40a as the door 2 is closed, the pressing force acts on the inclined surface 40a. The lock claw 40 is pushed downward. As a result, the front opening 21 a of the hook portion 21 is opened, and the striker 10 enters the hook portion 21. When the contact state of the striker 10 is released, the lock pawl 40 protrudes again with the urging force of the coil spring 50 and closes the front opening 21 a of the hook portion 21. As a result, the striker 10 is engaged and held in the hook portion 21, thereby maintaining the closed state of the door 2.
[0024]
A notch hole 25 extending in the vertical direction is formed in the rear wall surface of the storage groove 23 formed in the apparatus main body 20 as shown in FIG. Further, an engagement convex portion 42 (see FIG. 1) that engages with a pressing claw 61 of the operation knob 60 described later is formed on the back surface of the lock claw 40, and the engagement convex portion 42 has a notch hole 25 formed therein. It is transparently exposed to the back side of the apparatus main body 20.
[0025]
As shown in FIG. 2, a pair of bearing holes 62 are formed in the operation knob 60, and the bearing holes 62 are rotatably fitted to the support convex portions 26 formed on both side surfaces of the apparatus main body 20. Further, the operation knob 60 is formed with a pressing claw 61, and the pressing claw 61 is engaged with the upper surface of the engaging convex portion 42 formed on the lock claw 40 as described above. Accordingly, the urging force of the coil spring 50 is transmitted to the pressing claw 61 through the engaging convex portion 42, and thereby the operation knob 60 is urged to rotate clockwise in FIG.
[0026]
On the other hand, in the operation knob 60, the flat portion 63 formed in the vicinity of the bearing hole 62 as shown in FIG. By this restriction, the lock claw 40 stops at a position where the upper end portion engages with the support groove 21c formed in the upper wall of the hook portion 21, and further protrusion is prevented. Further, when the operation knob 60 is turned counterclockwise in FIG. 1, the pressing claw 61 pushes down the engaging convex portion 42, so that the locking claw 40 moves downward and the front opening of the hook portion 21 is opened. The part 21a is opened. Thereby, the striker 10 becomes movable from the hook part 21, and the door 2 can be opened.
[0027]
The opening / closing lock device having the above-described configuration further includes an elastic support piece 30 for preventing the striker 10 from rattling in the device main body 20. That is, as shown in FIG. 4, the elastic support pieces 30 extend from both side surfaces of the hook portion 21 toward the sides. The intermediate shaft portion 10 a of the striker 10 has a length that faces the elastic support piece 30 beyond the width of the hook portion 1.
[0028]
Each elastic support piece 30 is integrally formed with the hook portion 21 of the apparatus main body 20 as a cantilever piece having the side surface of the hook portion 21 as a support end 30a (fixed end). Therefore, the elastic support piece 30 is made of the same resin material as that of the apparatus main body 20, and can be flexibly deformed. Also, the vicinity of the support end 30a of the elastic support piece 30 is thinner than the tip portion 30b as shown in a cross section in FIG. 5, so that the elastic support piece 30 is flexibly deformed with the vicinity of the support end as a fulcrum. It can be done. Further, the front end portion 30b of the elastic support piece 30 is disposed slightly in front of the inner surface of the rear wall 21d of the hook portion 21 as shown in FIG. Therefore, the striker 10 that has entered the hook portion 21 first comes into contact with the elastic support piece 30 at both end portions of the intermediate shaft portion 10a and flexes it elastically (see FIG. 5B).
[0029]
Next, the action of the elastic support piece 30 when the door is closed will be described with reference to FIG. When the door 2 is closed, the striker 10 first comes into contact with the inclined surface 40a of the lock claw 40, and the lock claw 40 is pushed down by the pressing force to open the front opening 21a of the hook portion 21. As a result, the striker 10 enters the hook portion 21 and first contacts the elastic support piece 30 and then contacts the rear wall 21d of the hook portion 21 (see FIG. 5B). Here, since the elastic support piece 30 is elastically bent and deformed with the contact of the striker 10 as shown in the figure, it is not damaged.
[0030]
When the striker 10 enters the hook portion 21, the lock claw 40 closes the front opening 21a of the hook portion 21, so that the striker 10 is held in the hook portion 21 and the closed state of the door 2 is maintained. . At this time, the elastic support piece 30 is restored to its original state (FIG. 5C), and supports the striker 10 from the rear. Thereby, the striker 10 is pinched | interposed between the lock nail | claw 40 and the elastic support piece 30, and rattling is prevented.
[0031]
As shown in FIGS. 6A and 6B, even when the striker 10 is pushed into the hook portion 21 with an inclination, before the striker 10 comes into contact with the rear wall 21d of the hook portion 21, Since it abuts against one of the elastic support pieces 30 and cushions, the rear wall portion 21d of the hook portion 21 can be protected from impact. In addition, even in this case, since either one of the elastic support pieces 30 and the lock claw 40 cooperate to hold the striker 10, the striker 10 is prevented from rattling.
[0032]
In the opening / closing lock device having the above-described configuration, the device main body 20 is a resin molded product, and the hook portion 21 and the elastic support piece 30 are also formed integrally with the device main body 20, so that assembly of these respective parts is not required and assembly is performed. Work is easy.
[0033]
7 and 8 are diagrams showing another embodiment of the present invention. 2 and FIG. 3 described above are denoted by the same reference numerals, and detailed description other than the characteristic portions is omitted.
In this embodiment, the elastic support piece 30 is formed to extend upward from the upper surface of the apparatus main body 20. More specifically, a pair of elastic support pieces 30 are formed so as to receive the striker 10 at positions on both sides of the hook portion 21.
[0034]
Also in this embodiment, each elastic support piece 30 is integrally formed with the apparatus main body 20 as a cantilever piece having the upper surface of the apparatus main body 20 as a support end 30a (fixed end). Therefore, the elastic support piece 30 is made of the same resin material as that of the apparatus main body 20, and can be flexibly deformed. Further, the vicinity of the support end 30a of the elastic support piece 30 is thinner than the tip portion 30b, so that the elastic support piece 30 can be flexibly deformed with the vicinity of the support end as a fulcrum. Further, the front end portion 30 b of the elastic support piece 30 is disposed slightly forward from the inner surface of the rear wall 21 d of the hook portion 21.
[0035]
Therefore, the striker 10 that has entered the hook portion 21 first comes into contact with both ends of the intermediate shaft portion 10a against the elastic support piece 30 and flexes it elastically. After that, the elastic support piece 30 supports the striker 10 from the rear, whereby the striker 10 is sandwiched between the lock claw 40 and the elastic support piece 30 to prevent rattling.
[0036]
9 and 10 are views showing another embodiment of the present invention. In these drawings as well, the same or corresponding parts as those shown in FIGS. 2 and 3 and FIGS. 7 and 8 are denoted by the same reference numerals, and detailed description other than the characteristic parts will be omitted.
Also in this embodiment, the pair of elastic support pieces 30 are formed so as to extend from the upper surface of the apparatus main body 20 and from both sides of the hook portion 21. However, the elastic support piece 30 is formed at a position ahead of the rear wall 21d of the hook portion 21, and is configured to elastically contact the both side shaft portions 10b of the striker 10.
[0037]
Also in this embodiment, each elastic support piece 30 is integrally formed with the apparatus main body 20 as a cantilever piece having the upper surface of the apparatus main body 20 as a support end 30a (fixed end). Therefore, the elastic support piece 30 is made of the same resin material as that of the apparatus main body 20, and can be flexibly deformed. Further, the vicinity of the support end 30a of the elastic support piece 30 is thinner than the tip portion 30b, so that the elastic support piece 30 can be flexibly deformed with the vicinity of the support end as a fulcrum. Furthermore, as shown in FIGS. 10A and 10B, the end portion 30b of the elastic support piece 30 is disposed slightly inside (close to the hook portion 21) from the track into which the side shaft portions 10b of the striker 10 enter. It is.
[0038]
Therefore, the striker 10 that has entered the hook portion 21 is held with both end portions of both side shaft portions 10b being in contact with the elastic support piece 30 to prevent rattling.
[0039]
In addition, this invention is not limited to embodiment mentioned above, For example, of course, it can apply also to uses other than the glove box in a motor vehicle interior.
[0040]
【The invention's effect】
As described above, according to the opening / closing lock device of the present invention, since the elastic support piece for preventing the striker from rattling is formed integrally with the hook part, it is necessary to assemble the support piece to the hook part. Therefore, the assembly man-hours can be reduced, and the workability can be improved and the product cost can be reduced.
[Brief description of the drawings]
FIG. 1 is a side view showing an appearance of an open / close lock device according to an embodiment of the present invention.
FIG. 2 is an exploded perspective view of the opening / closing lock device according to the embodiment of the present invention.
3A and 3B are diagrams showing an opening / closing lock device according to an embodiment of the present invention, in which FIG. 3A is a plan view, FIG. 3B is a front view, and FIG.
4A and 4B are views showing the apparatus main body, where FIG. 4A is a front view, and FIG. 4B is a rear view.
FIG. 5 is a plan sectional view for explaining the operation of the elastic support piece in the opening / closing lock device according to the embodiment of the present invention.
FIG. 6 is a plan sectional view for explaining another action of the elastic support piece in the opening / closing lock device according to the embodiment of the present invention.
FIG. 7 is a perspective view showing a device main body in an opening / closing lock device according to another embodiment of the present invention.
8A and 8B are diagrams showing the open / close lock device according to the embodiment, where FIG. 8A is a plan view, FIG. 8B is a front view, and FIG. 8C is a side view.
FIG. 9 is a perspective view showing a device main body in an opening / closing lock device according to still another embodiment of the present invention.
10A and 10B are diagrams showing the opening / closing lock device according to the embodiment, where FIG. 10A is a plan view, FIG. 10B is a front view, and FIG. 10C is a side view.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1: Glove box 1a: Opening edge part 2: Door 10: Striker 20: Apparatus main body 21: Hook part 21a: Front opening part 21b: Upper wall 21c: Support groove 21d: Rear wall 23: Storage groove 24: Guide groove 25: Notch hole 30: Elastic support piece 40: Lock claw 41: Rib 50: Coil spring 60: Operation knob 61: Pressing claw 70: Back support part

Claims (5)

In the opening and closing lock device for opening and closing the door provided in the opening of the storage unit and maintaining the closed state of the door,
A rod-like striker provided at the opening edge of the storage portion;
An apparatus main body having a hook-shaped hook portion that is provided on the door and is detachable from the front opening when the door is opened and closed;
A locking claw that is incorporated in the device body and can be freely projected and retracted in a front opening of the hook portion;
Each extending outwardly from both side surfaces of the hook portion, receiving the striker at the tip portion, and comprising an elastic support piece for holding the striker in cooperation with the lock claw,
The elastic support piece is integrally formed with the hook body together with the apparatus body,
The striker intermediate shaft portion has a length that exceeds the width of the hook portion and faces the elastic support piece,
The front end portion of the elastic support piece is disposed forward of the inner surface of the rear wall of the hook portion,
During the door closing operation , the striker enters the hook part,
The opening / closing lock device according to claim 1, wherein the striker is configured to first contact the elastic support piece and then contact the rear wall of the hook portion. In the opening and closing lock device for opening and closing the door provided in the opening of the storage unit and maintaining the closed state of the door,
A rod-like striker provided at the opening edge of the storage portion;
An apparatus main body provided on the door, and having a hook-like hook portion on the upper surface, which is detachable from the front opening portion as the door is opened and closed;
A locking claw that is incorporated in the device body and can be freely projected and retracted in a front opening of the hook portion;
An elastic support piece extending from both sides of the hook portion and extending upward from the upper surface of the apparatus main body, receiving the striker at a tip portion, and holding the striker in cooperation with the lock claw;
The elastic support piece is integrally formed with the hook body together with the apparatus body,
The striker intermediate shaft portion has a length that exceeds the width of the hook portion and faces the elastic support piece,
The front end portion of the elastic support piece is disposed forward of the inner surface of the rear wall of the hook portion,
During the door closing operation , the striker enters the hook part,
The opening / closing lock device according to claim 1, wherein the striker is configured to first contact the elastic support piece and then contact the rear wall of the hook portion. In the opening and closing lock device according to claim 1 or 2,
The opening / closing lock device according to claim 1, wherein the elastic support piece is formed symmetrically on both sides of the hook portion. In the opening and closing lock device for opening and closing the door provided in the opening of the storage unit and maintaining the closed state of the door,
A rod-like striker provided at the opening edge of the storage portion;
An apparatus main body provided on the door, and having a hook-like hook portion on the upper surface, which is detachable from the front opening portion as the door is opened and closed;
A locking claw that is incorporated in the device body and can be freely projected and retracted in a front opening of the hook portion;
A pair of elastic support pieces that extend upward from both sides symmetrical positions on the upper surface of the apparatus main body and the hook portion as a center, and hold the striker in cooperation with each other;
The elastic support piece is integrally formed with the hook body together with the apparatus body,
The striker intermediate shaft portion has a length that exceeds the width of the hook portion and faces the elastic support piece,
The front end portion of the elastic support piece is disposed forward of the inner surface of the rear wall of the hook portion,
During the door closing operation , the striker enters the hook part,
The opening / closing lock device according to claim 1, wherein the striker is configured to first contact the elastic support piece and then contact the rear wall of the hook portion. In the opening and closing lock device according to any one of claims 1 to 4,
The open / close lock device according to claim 1, wherein the elastic support piece is a cantilever piece in which a thickness near a support end is formed thinner than a tip portion where the striker abuts.

Images