JP4197941B2 - Open / close lock device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an opening / closing lock device. More specifically, the present invention relates to an opening / closing lock device for performing an opening / closing lock on a door grab for accessory storage provided in a vehicle.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a door grab for accommodating small items is provided in an instrument panel on the passenger seat side of an automobile. This door grab requires an opening / closing mechanism for opening / closing the door, and also requires a locking mechanism such as a cylinder key. FIG. 5 shows a case where there is only one locking portion for holding the door in a closed state, and FIG. 5A shows a type without a locking mechanism, and FIG. 5B shows a type with a locking mechanism. Shows the door. In the figure, 1 is a door, 2 is a door opening / closing knob, and 3 is a key cylinder for locking. In order to hold the door grab in the closed state behind the knob 2, as shown in FIG. 6A, the striker 6 fixed to the dashboard 5 (shown in perspective view in FIG. 6B) is engaged. A detachable ratchet 4 is provided, and the ratchet 4 is operated by the knob 2.
[0003]
FIG. 7 is a diagram showing another example. This open / close locking device is a type in which the knob 2 is at the end of the door 1 and the ratchet 4 is at the center of the door 1, and the ratchet 4 is driven from the knob 2 via the link 7. Yes.
[0004]
Moreover, the type (saddle type) which has a latching | locking part in the right-and-left both ends of a door is shown in FIG.8 and FIG.9. 8, the knob 2 is provided at one end of the door 1, a rack is formed on the left and right stays 8 and 9 for locking, and the rack is engaged with the gear 10 so that the left and right directions are opposite to each other. The one stay 8 is driven by a lever 11 driven by the knob 2 to be engaged with and disengaged from the engaging portion. 9, the knob 2 is provided at the center of the door 1, and the left and right stays 8 and 9 are driven by the knob 2 via L-shaped levers 12 and 13, respectively. It is designed to be engaged and disengaged. (For example, see Patent Document 1)
[0005]
[Patent Document 1]
Japanese Utility Model Publication No. 60-195450 [0006]
[Problems to be solved by the invention]
In the conventional opening / closing lock device as described above, the one shown in FIG. 5 is far from the cockpit because the knob 2 is located at the center of the door 1, and the operability for the operator is poor. 7 shows that the knob 2 is closer to the operator and the operability is improved, but the structure of the opening / closing lock device is complicated, the number of parts is increased, and the cost is increased. Is one place in the center of the door, so the left and right sides of the door are not fixed, and it is deformed as shown by the broken line in FIG. There is a problem that the quality of the construction is reduced. 8 and 9, FIG. 8 has a problem that the left and right stays can be synchronized, but FIG. 9 has a problem that the stays cannot be synchronized.
[0007]
In view of the above-described conventional problems, an object of the present invention is to realize an opening / closing lock device that can improve operability, improve building quality, and reliably synchronize left and right stays.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, claim 1 of the present invention supports a case 24, a knob 21 provided on the case 24 so as to be rotatable about a vertical axis, and a slidable support in the case 24 in a horizontal direction. The first sliding member 26, which is driven by the knob 21 and has a rack 26a formed at one end thereof, is supported by the case 24 so as to be slidable in the horizontal direction, and a rack 27a is formed at one end thereof. A second sliding member 27 driven in the opposite direction to the first sliding member 26 via the pinion gear 25 to the sliding member 26, and the first sliding member 26 and the second sliding member 27, respectively. The first and second stays 28 and 29 are connected and have locking portions 28b and 29b at their tips. The first sliding member 26 is moved by rotating the knob 21 about a vertical axis. And the first slide The second slide member 27 of the first slide member 26 from the member 26 via the pinion gear 25 is moved in the opposite direction, the knob 21 key cylinder 22 is provided on the tip is in the key cylinder 22 An engagement protrusion 22a for driving the first sliding member 26 is provided, and the first sliding member 26 has a recess 26c in which the protrusion 22a of the key cylinder 22 rotates and fits when locked. The protrusion 22a interferes with the recess 26c during the locking, and the knob 21 is configured to be unrotatable .
[0010]
By adopting this configuration, the knob can be rotated about the vertical axis, so that the operability of the knob is improved, and the first and second stays are arranged on the left and right to improve the door installation quality. In addition, since the first and second sliding members connecting the left and right stays are interlocked by the pinion gear, the left and right stays can be reliably synchronized.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
1A and 1B are diagrams showing an embodiment of an opening / closing lock device of the present invention, in which FIG. 1A is an exploded perspective view and FIG. 1B is a rear perspective view of a case. In this embodiment, as shown in the figure, the knob 21, the key cylinder 22, the knob return spring 23, the case 24, the pinion gear 25, the first sliding member 26, and the second sliding member. 27, a first stay 28, a second stay 29, and a stay return spring 30.
[0012]
The knob 21 has a U-shaped cross section and has a horizontally long rectangular shape when viewed from the front. A hole 21a for attaching the key cylinder 22 is formed on the front surface, and a bearing hole 21b serving as a swing center is formed on the upper and lower walls. It has been drilled. Further, the key cylinder 22 has a cylindrical shape, and an eccentric protrusion is formed at the tip, and an engagement protrusion 22a is formed. The knob return spring 23 is U-shaped, and both ends thereof are insertion portions 23a that are inserted and fixed in the fixing holes of the case.
[0013]
The case 24 has a substantially box shape, and is inserted into the bearing hole 21b of the knob 21 at the top and bottom of the front portion thereof to support and fix the projection 24a serving as a shaft for supporting the knob 21 and the knob return spring 23. A spring fixing hole 24b is formed. In the case 24, two bearing holes 24c for supporting the pinion gear 25 are formed vertically. Further, the side wall of the case 24 is formed with a hole 24d through which the first sliding member 26 is inserted and slidably supported, and a groove portion 24e which slidably supports the second sliding member 27. Yes. The pinion gear 25 is formed with a shaft 25a.
[0014]
Further, the first sliding member 26 has a rod shape, a rack 26a is formed at one end thereof, a connecting portion 26b for connecting the first stay 28 is formed at the other end, and a key lock recess 26c is formed at the center portion. Is formed. The second sliding member 27 is formed by connecting a rod-like portion to a plate-like portion, a connecting portion 27b for connecting the second stay 29 is formed at the tip of the rod-like portion, and a rack 27a is formed on the plate-like portion. Is formed.
[0015]
The first stay 28 and the second stay 29 are rod-shaped, and at one end thereof are formed connecting portions 28a and 29a connected to the first sliding member 26 and the second sliding member 27, respectively, and the other end is Slope engaging portions 28b and 29b are formed. The stay return spring 30 is a tension coil spring.
[0016]
Each member formed in this way is assembled as shown in FIG. That is, the knob 21 is mounted in the key cylinder insertion hole 21 so that the key cylinder 22 can be rotated by 90 °. Also, on the front surface of the case 24, the insertion portions 23a and 23b of the knob return spring 23 are inserted into the spring fixing holes 24b, and the knob 21 fitted with the key cylinder 22 is fitted with the projections 21b and 21c. 24a and 24b are fitted so as to be swingable.
[0017]
In the case 24, a pinion gear 25 is rotatably assembled by inserting its shaft 25a into the bearing hole 24c of the case 24. A first sliding member 26 is slidably inserted into the groove 24e at the rear portion of the case 24, and a second sliding member 27 is slidably inserted into the hole 24d. The racks 26a and 27a connect the pinion gear 25 to each other. It is assembled so as to face each other. A first stay 28 is connected to the first sliding member 26, and a second stay 29 is connected to the second sliding member 27 by respective connecting portions 26b, 27b, 28a, 29a.
[0018]
The operation of this embodiment configured as described above will be described with reference to FIG. 2A is a front view, FIG. 2B is a sectional view taken along line bb in FIG. 2A, and FIGS. 2C and 2D are sectional views taken along line cc in FIG. In this embodiment, as shown in FIGS. 4A to 4C, the case 24 includes a knob 21 with a key cylinder 22 assembled to the case 24, a pinion gear 25, and first and second sliding members 26 and 27. It is assembled.
[0019]
And it is assembled | attached to a glove box in this state. In the state shown in the drawing, the protrusion 22a of the key cylinder 22 faces upward. Therefore, one wall of the first sliding member 26 urged in the direction of arrow A by the stay return spring is in contact with the protrusion 22 a of the key cylinder 22. In this state, the first and second stays 28 and 29 protrude left and right and engage with a stopper 31 formed on the dashboard.
[0020]
(C) When the knob 21 is rotated in the direction of arrow B about the rotation center O from the state shown in the figure, the key cylinder 22 rotates together with the knob 21, and the projection 22 a of the recess 26 c of the first sliding member 26. The first sliding member 26 is pulled in the direction of the arrow A ′ by pressing the wall, and the engagement between the first stay 28 and the stopper 31 is released. At the same time, since the second sliding member 29 is pulled in the direction of arrow A via the pinion gear 25, the engagement between the second stay 29 and the stopper 31 is also released. This makes it possible to pull out the glove box from the dashboard.
[0021]
On the other hand, when the glove box is housed in the dashboard, if the glove box is pressed in the direction of the dashboard, the first and second stays 28 and 29 are inclined by the inclined surfaces of the first and second stays 28 and 29. After passing through the retracting stopper 31, it can project again by the urging force of the stay return spring 30 and engage with the stopper 31.
[0022]
Next, the operation of the key cylinder will be described with reference to FIG. FIG. 6A shows the normal state when the protrusion 22a is on the upper side. When the key cylinder 22 is rotated 90 ° clockwise from this state, the state shown in FIG. The moving member 26 falls into a narrow portion below the recess 26c. As a result, the first sliding member 26 is fixed and is prevented from moving left and right, and is in a locked state. In order to release the lock, the key cylinder 22 may be rotated 90 ° counterclockwise to return to the state shown in FIG.
[0023]
As described above, in this embodiment, since the knob is rotated about the longitudinal axis, the operation from the driver is pulled toward the user, so the operation is very good. It becomes. Further, since the stays for locking are on the left and right, the building quality is improved, and since the left and right stays are interlocked with the rack and the pinion, the synchronization is ensured. Furthermore, in the locked state, the knob does not rotate due to the protrusion of the key cylinder, and the stay cannot be retracted because the knob does not rotate, so that the anti-theft property is excellent.
[0024]
The present invention can also be applied to types other than the key cylinder. Further, as shown in FIG. 4, the stay can be used as a hinge shaft and can be applied to a door that can be opened to the left or right.
[0025]
【The invention's effect】
According to the present invention, the opening and closing operation of the glove box is extremely good, the door installation quality is improved, the left and right stays are synchronized with each other, and the opening and closing lock device with excellent antitheft is realized. it can.
[Brief description of the drawings]
1A and 1B are views showing an embodiment of an opening / closing lock device of the present invention, in which FIG. 1A is an exploded perspective view, and FIG. 1B is a rear perspective view of a case;
2A and 2B are diagrams showing an embodiment of the opening / closing lock device of the present invention, in which FIG. 2A is a front view, FIG. 2B is a cross-sectional view taken along line bb in FIG. (A) It is sectional drawing in the cc line of a figure.
FIG. 3 is a view for explaining the operation of the key cylinder in the embodiment of the opening / closing lock device of the present invention.
4A and 4B are diagrams showing an application example of the opening / closing lock device of the present invention, in which FIG. 4A is a front view, and FIG. 4B is a side view.
FIG. 5 is a view showing an example of a door grab having one conventional locking portion.
FIG. 6 is a view showing a door grab having a conventional opening / closing mechanism.
FIG. 7 is a view showing another example of a door grab having one conventional locking portion.
FIG. 8 is a view showing an example of a conventional door grab having two locking portions.
FIG. 9 is a view showing another example of a door grab having two conventional locking portions.
[Explanation of symbols]
21 ... Knob 21a ... Key cylinder mounting hole 21b ... Bearing hole 22 ... Key cylinder 22a ... Projection 23 ... Knob return spring 23a ... Insert 24 ... Case 24a ... Projection 24b ... Spring fixing hole 24c ... Bearing hole 24d ... Hole 24e ... Groove 25 ... Pinion gear 25a ... Shaft 26 ... First sliding members 26a and 27a ... Racks 26b and 27b ... Connection portion 26c ... Key lock recess 27 ... Second sliding member 28 ... First stays 28a and 29a ... Connection Portions 28b, 29b ... Locking portion 29 ... Second stay 30 ... Stay return spring

Claims (1)

Case (24),
A knob (21) provided on the case (24) so as to be rotatable about a vertical axis;
A first sliding member (26) supported by the case (24) so as to be slidable in the horizontal direction, driven by the knob (21), and formed with a rack (26a) at one end;
The case (24) is slidably supported in the horizontal direction, and a rack (27a) is formed at one end thereof. The first sliding member (26) is connected to the first sliding member via a pinion gear (25). A second sliding member (27) driven in the opposite direction to (26);
A first stay (28) and a second stay (29) connected to the first sliding member (26) and the second sliding member (27), respectively, and having a locking portion (28b, 29b) at the tip. Equipped,
The first sliding member (26) is moved by rotating the knob (21) about a vertical axis, and the second sliding member is moved from the first sliding member (26) via the pinion gear (25). Moving the moving member (27) in the opposite direction to the first sliding member (26);
The knob (21) is provided with a key cylinder (22), and the key cylinder (22) is provided with an engagement protrusion (22a) for driving the first sliding member (26) at the tip.
The first sliding member (26) is provided with a recess (26c) in which the protrusion (22a) of the key cylinder (22) rotates and fits when locked,
An opening / closing lock device wherein the protrusion (22a) interferes with the recess (26c) and the knob (21) is configured to be unrotatable during the locking.

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