JP3896028B2 - 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. FIG. 6A shows a type of door that does not have a locking mechanism, and FIG. 6B shows a type of door that has a locking mechanism. 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. 7A, the striker 6 fixed to the dashboard 5 (a perspective view is shown in FIG. 7B). The latching claw 4 is removable, and the latching claw 4 is operated by the knob 2.
[0003]
FIG. 8 shows a type in which the knob is at the end of the door. This is provided with a knob 2 at the right end of the door 1 and a locking ratchet (not shown) at the center of the door.
[0004]
[Problems to be solved by the invention]
In the conventional door grab as described above, the one described with reference to FIG. 6 is far from the driver side and the operability from the driver side is not good because the knob 2 is arranged at the center with respect to the door grab 1. There is a problem. For this reason, as shown in FIG. 8, there is a knob 2 that is offset to the driver side. However, since the latching claw is at the center, there is a problem that the cost increases due to an increase in the number of parts due to conduction from the knob 2. There is.
[0005]
6 and 8, since the locking claw 2 is at the center of the door grab 1, the left and right sides of the door grab 1 are not fixed, and the door grab 1 is indicated by a broken line as time passes as shown in FIG. 8B. When it deform | transforms like this, a level | step difference will arise between instrument panels, and there exists a problem that installation quality falls.
[0006]
In view of the above-described conventional problems, an object of the present invention is to realize an open / close lock device that can improve operability, improve building quality, and improve assemblability.
[0007]
[Means for Solving the Problems]
In order to achieve the above object , according to the first aspect of the present invention, the first sliding member 12 and the second sliding member each having the knob 10 rotatably attached to the door and the locking claws 17a and 18a are provided. In the opening / closing lock device comprising the moving member 13, the knob 10 has protrusions 16a; 24, and the first sliding member 12 and the second sliding member 13 have racks 12a and 13a, respectively. 12a and 13a mesh with the pinion gear 14 at positions opposite to each other in the radial direction, the second sliding member 13 has a cam portion 13c, and when the knob 10 is rotated, the protrusion 16a of the knob 10 ; 24 engages with the cam portion 13c to move the second sliding member 13 and simultaneously moves the first sliding member 12 in the opposite direction via the pinion gear 14 so that the door can be opened. Nina Closing the locking device is provided, characterized in that the the like. According to the invention of claim 2, in the invention of claim 1, the key cylinder 16 is rotatably attached to the knob 10, and the key cylinder 16 has the protrusion 16a. An open / close lock device is provided. According to a third aspect of the invention, in the second aspect of the invention, the second sliding member 13 or the first sliding member 12 has a cam groove 13e to lock the key cylinder 16. An opening / closing lock device is provided in which the protrusion 16a engages with the cam groove 13e to lock the second sliding member 13 when rotated in the direction.
[0008]
By adopting this configuration, the knob can be provided at either the left or right end of the door, so that the operability can be improved. Moreover, since the latching claws are provided on the left and right sides of the door, the deformation of the door is reduced, and the quality of installation with the instrument panel is improved. Furthermore, since the structure is simple, the assemblability is also good.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 is an exploded perspective view showing an embodiment of an opening / closing lock device of the present invention. In the present embodiment, the knob 10, the case 11, the first and second sliding members 12 and 13, the pinion gear 14, the return spring 15, the key cylinder 16, the first and second rods 17, 18. The knob 10 has a substantially rectangular parallelepiped shape. A hole 10a for mounting the key cylinder 16 is formed in the vicinity of one end of the knob 10, and shaft holes 10b are formed on both sides. The case 11 has a substantially rectangular parallelepiped shape like the knob 10, and shafts 11a for rotatably supporting the knob 10 are provided on both sides thereof. The case 11 has a groove for slidably guiding the first and second sliding members 12 and 13 and a shaft hole 11b for supporting the pinion gear 14.
[0010]
The first and second sliding members 12 and 13 are engaged with the pinion gear 14 and racks 12a and 13a are formed so that they can move in opposite directions, and the first sliding member 12 has a first rod. A fitting portion 12 b that fits with the second rod 18 is formed, and a fitting portion 13 b that fits with the second rod 18 is formed on the second sliding member 13. Further, the second sliding member 13 is formed with a cam 13c for moving left and right and locking. Further, locking claws 17a and 18a are formed at the tips of the first and second rods 17 and 18, respectively.
[0011]
The key cylinder 16 is formed with a protrusion 16a for engaging with the cam 13c of the second sliding member 13 to move and lock the second sliding member 13. The key cylinder 16 is accommodated in a hole 10a provided in the knob 10 so as to be rotatable and not removable.
Reference numeral 19 denotes a tension spring for pulling the second rod 18, and 20 and 21 denote cushions for fitting and supporting the tip portions of the first and second rods 17 and 18 to prevent vibration.
[0012]
Each member formed in this way is assembled as shown in FIGS. That is, the case 11 oscillates the knob 10 and supports the pinion gear 14 so as to be rotatable by the shaft hole 11b. Further, the first and second sliding members 12, 13 are mounted on the racks 12a, 13a. Is engaged with the pinion gear 14. The case 11 is fixed to the door 22.
[0013]
First and second rods 17 and 18 are connected to the first and second sliding members 12 and 13, respectively, and a return spring 15 is inserted between the knob 10 and the case 11 to return the knob 10. One end of a tension spring 19 is engaged with the second rod 18 to urge the second rod 18 in a pushing direction.
Further, as shown in FIG. 3, the key cylinder 16 is mounted in a hole 10a provided in the knob 10 so as to be rotatable and not removable.
[0014]
Next, the operation of this embodiment configured as described above will be described. FIG. 2A shows a state in which the door 22 is closed. That is, the first rod 17 moves to the right and the second rod 18 moves to the left, and the locking claws 17a and 18a are engaged with the locking holes 23a of the door grab body 23. To open the door 22 from this state, as shown in FIG. 3, the knob 10 is rotated clockwise in the drawing. When the knob 10 rotates, the protrusion 16a at the tip of the key cylinder 16 provided on the knob 10 moves downward.
[0015]
When the protrusion 16a moves downward, the protrusion 16a is shown in FIG. 4 (the figure shows the case and the second sliding member viewed from the direction of arrow Z in FIG. 2a) from the state shown in FIG. In the middle of the state shown in the figure, the inclined surface 13d of the cam portion 13c formed on the second sliding member 13 is pressed to move the second sliding member 13 to the right. At the same time, the second sliding member 13 moves the first sliding member 12 to the left via the pinion gear 14. As a result, as shown in FIG. 2B, the first and second rods 17 and 18 connected to the first and second sliding members 12 and 13 are also drawn inward, and the locking claws 17a and 18a are Detach from the locking hole 23a. Thereby, the door 22 is opened.
[0016]
In order to close the opened door 22, the knob 10 is returned to the original state so that the first and second rods 17, 18 project to the left and right by the urging force of the tension spring 19. When pushed in, the inclined surfaces of the locking claws 17a and 18a come into contact with the locking hole 23a and are pushed back to engage with the locking hole 23a, resulting in the state shown in FIG.
[0017]
Next, to lock the door 22, the key 10 is inserted into the key cylinder 16 without moving the knob 10 and rotated 90 ° in the clockwise direction. As a result, the protrusion 16a at the tip of the key cylinder 16 moves from the state shown in FIG. 4A to the state shown in FIG. 4C, falls into the cam groove 13e formed in the second sliding member 13, and the second sliding member The moving member 13 is fixed. At the same time, the first sliding member 12 is also fixed via the pinion gear 14. The first and second rods 17 and 18 are locked.
[0018]
In order to release the lock, the key cylinder 16 is rotated 90 ° counterclockwise, so that the protrusion 16a comes out of the cam groove 13e and enters the state shown in FIG. 4A, and the lock is released.
[0019]
FIG. 5 shows another embodiment of the present invention. This embodiment is a case where the knob does not have a key cylinder, and the knob 10 does not have a key cylinder but is provided with a protrusion 24 instead. Although this embodiment configured as described above does not have a key cylinder and cannot be locked, the protrusion 24 performs the same operation as the protrusion 16a of the key cylinder of the previous embodiment to open and close the door. be able to.
[0020]
【The invention's effect】
According to the opening / closing lock device of the present invention, the knob can be provided at either the left or right end of the door, so that the operability can be improved. Moreover, since the latching claws are provided on the left and right sides of the door, the deformation of the door is reduced, and the quality of installation with the instrument panel is improved. Moreover, since the structure is simple, the assemblability is also good.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view showing an embodiment of an opening / closing lock device of the present invention.
FIG. 2 is an assembled sectional view showing an embodiment of the opening / closing lock device of the present invention.
FIG. 3 is an assembled cross-sectional view showing an embodiment of the opening / closing lock device of the present invention.
FIG. 4 is a diagram for explaining the operation of the embodiment of the opening / closing lock device of the present invention.
FIG. 5 is a view showing another embodiment of the opening / closing lock device of the present invention.
FIG. 6 is a perspective view showing a door of a door grab having a conventional opening / closing mechanism.
FIG. 7 is a cross-sectional view showing a door of a door grab having a conventional opening / closing mechanism.
FIG. 8 is a view showing another example of a door of a door grab having a conventional opening / closing mechanism.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 ... Knob 10a ... Hole 10b, 11b ... Shaft hole 11 ... Case 11a ... Shaft 12 ... 1st sliding member 13 ... 2nd sliding member 12a, 13a ... Rack 12b, 13b ... Fitting part 13c ... Cam part 13d ... Slope 13e ... groove 14 ... pinion 15 ... return spring 16 ... key cylinder 16a, 24 ... projection 17 ... first rod 18 ... second rod 17a, 18a ... locking claw 19 ... tension springs 20, 21 ... cushion member 22 ... door 23 ... Door grab body 23a ... Locking hole

Claims (3)

Open / close lock device comprising a knob (10) rotatably attached to a door, and a first sliding member (12) and a second sliding member (13) each provided with a locking claw (17a, 18a). The knob (10) has protrusions (16a; 24), and the first sliding member (12) and the second sliding member (13) have racks (12a, 13a), respectively. (12a, 13a) mesh with the pinion gear (14) at positions opposite to each other in the radial direction, the second sliding member (13) has a cam portion (13c), and the knob (10) is turned. When moved, the projection (16a; 24) of the knob (10) engages with the cam portion (13c) to move the second sliding member (13) and simultaneously via the pinion gear (14). The first sliding member (12) is moved in the opposite direction to Closing lock device, characterized in that was made up to the door opening state by. The opening / closing lock device according to claim 1, wherein a key cylinder (16) is rotatably attached to the knob (10), and the key cylinder (16) has the protrusion (16a). When the second sliding member (13) or the first sliding member (12) has a cam groove (13e) and the key cylinder (16) is rotated in the locking direction, the protrusion (16a) 3. The opening / closing lock device according to claim 2, wherein the second sliding member (13) is engaged by engaging with the cam groove (13e).

Images