JPH069269Y2 - Lock device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a locking device.

For example, in a vehicle ashtray, the present invention relates to a lock device that locks a closed state of a cover and an inner case that are openably and closably attached to an outer case.

[Conventional technology]

Hereinafter, a conventional locking device will be described with reference to FIGS. 7 to 10. The figure shows an example of use in a vehicle ashtray.

In the figure, reference numeral 1 denotes an outer case as a fixed body. The outer case 1 has a front opening, and mounting pieces 10 are integrally projected at both ends of the lower edge of the front opening of the outer case 1. A through hole 11 is provided in 10. A fixing pin 12 is integrally provided on the back surface of the outer case 1 so as to project rearward. The fixing pin 12 of the outer case 1 is inserted into a through hole 14 provided in a mounting body 13 such as a vehicle body, and a fixing member 15 such as a push-on spring nut is fixed to the fixing pin 12 to fix the outer case 1 to the mounting body 13 Fixed to.

Reference numeral 2 denotes a hollow box-shaped housing as a moving body. This housing 2 has a through hole 20 in the center of the upper surface, meshing teeth 21 on the side surfaces from the rear surface to the middle of the front surface, and mounting pieces 22 on both ends of the lower surface. And a through hole 23 is provided in the mounting piece 22. The pin 3 is passed through the through hole 23 of the mounting piece 22 of the housing 2 and the through hole 11 of the mounting piece 10 of the outer case 1, and a stopper 30 such as a ring is fixed to both ends of the pin 3 to fix the housing 2 to the outer side. Rotatably attached to the case 1. A coil spring 31 is wound around the pin 3, and both ends of the spring 31 are engaged with the outer case 1 and the housing 2, respectively, and the housing 2 is attached to the outer case 1 from the front opening of the outer case 1. Rotate to the front side and always bias in the opening direction. Reference numeral 24 in the figure denotes a writer mounted in the through hole 20 of the housing 2.

Reference numeral 5 is a cover that also opens and closes the front opening of the outer case 1 and serves as a movable body. An inverted U-shaped engaging groove 50 is provided on the lower portion of the back surface of the cover 5 near one end. An inner case 51, which also has a top surface and is opened toward one end of the back surface of the cover 5, is fixed by a screw 52 as a movable body. An engagement hole 57 is provided on one end surface of the inner case 51,
Moreover, one side of the protector 53 is rotatably attached to the rear edge portion of the upper opening of the inner case 51 by a pin 54, and a coil spring 55 is wound around the pin 54.
Both ends of 55 are engaged with the inner case 51 and the protector 53, respectively, and the protector 53 is constantly urged toward the inner case 51 in the direction of opening from the upper opening of the inner case 51. A stopper 56 is provided on one side of the protector 53. Thus, the engagement groove 50 of the cover 5 and the inner case 51 is engaged with the pin of the outer case 1, and the cover 5 and the inner case 51 are attached to the outer case 1 so as to be openable / closable (rotatable) and detachable. By bringing the front surface of the housing 2 into contact with the other end side of the back surface of the cover 5, the spring force of the spring 31 causes the cover 5 and the inner case 51 (moving body) to move through the housing 2 and the housing 2. Open and stopper of protector 53
56 abuts on the upper edge of the front opening of the outer case 1, so that the cover 5, the inner case 51, and the housing 2 can be kept open.

Reference numeral 4 denotes a conventional locking device that locks the closed state of the cover 5, the inner case 51, and the housing 2 (moving body). The locking device 4 is capable of reciprocating in a straight line with the main body 40. The mounted operation button 41 and the operation button 41 are attached to the main body 40 so as to be capable of reciprocating in a direction orthogonal to the operation direction of the operation button 41.
When the is pressed, the engaging claws 42 linked so as to be disengaged from the engaging holes 57 of the inner case 51 and the engaging claws 42 and the main body 40 are mounted, and the engaging claws 42 are inserted into the engaging holes 57. And an elastic member (not shown) that constantly urges it in the direction to engage with. By attaching the lock device 4 to the outer case 1, the engaging claws 42 of the lock device 4 are engaged with the engaging holes 57 of the inner case 51 housed in the outer case 1 to cover the cover 5 and the inner case 51. The closed state of the housing 2 can be maintained.

Reference numeral 32 denotes a speed reducer that smoothly and softly opens the cover 5, the inner case 51, and the housing 2 described above. The speed reducer 32 uses, for example, a product name "damper" manufactured by Nifco Co., Ltd. With this structure, a rotor (not shown) is rotatably supported in a main body 33 and viscous oil (not shown) is filled therein, and a gear 34 is coaxially fixed to the rotor. The reduction gear 32 is fixed to the outer case 1 with a screw 35, and the gear 34 of the reduction gear 32 is meshed with the meshing teeth 21 of the housing 2.

Hereinafter, a usage example of the vehicle ashtray using the conventional locking device will be described.

First, when the cover 5, inner case 51, and housing 2 are closed, the operation button 41 of the lock device 4 is pressed,
The engaging claw 42 of the lock device 4 is engaged with the engaging hole 57 of the inner case 51.
The cover 5 is opened by the spring force of the spring 31, the housing 2 and the inner case 51 come out from the front opening of the outer case 1, and the stopper of the protector 53 is removed.
56 contacts the upper edge of the front opening of the outer case 1, and the above-mentioned cover 5, inner case 51, and housing 2 are opened as shown by the chain double-dashed line in FIG. 8, and the open state is maintained. . This cover 5, inner case 51, housing 2
When the door is opened, the cover 5, the inner case 51, and the housing 2 are smoothly and softly opened by the action of the speed reducer 32.

As described above, the lighter 24 of the housing 2 that has come out of the outer case 1 is used, and the ash that is easy to ash in the inner case 51 is thrown away.

After this use, cover 5 to outer case 1
The inner case 51 and the housing 2 are housed in the outer case 1 by pushing them against the spring force of the spring 31. Then, the engagement claw 42 of the lock device 4 engages with the engagement hole 57 of the inner case 51, and as shown by the solid line in FIG.
The closed state of is locked.

[Problems to be solved by the device]

However, in the above-described conventional locking device 4, the operation button 41 and the engaging claw 42 are mounted on the main body 40 so as to be capable of reciprocating in directions orthogonal to each other, and the operating button 41 and the engaging claw 42 are directly linked. Therefore, the frictional resistance between the operation button 41 and the engaging claw 42 is large, so that the pushing operation force of the operation button 41 is large and the sound emitted when the lock is released is large.

An object of the present invention is to provide a lock device that has a small push operation force and a small unlock noise.

[Means for Solving the Problems]

In order to achieve the above-mentioned object, the present invention mounts an engaging claw on a main body so as to be able to move forward and backward, and mounts an operation button on the main body so as to be movable in a direction substantially parallel to the forward and backward direction of the engaging claw, Two links are respectively arranged on both sides of the operation button and the engaging claw, and an intermediate portion between the engaging claw and the operation button of the two links is rotatably attached to the main body. The engaging claw and the operation button are rotatably attached to both ends of the two links, and an elastic member is built in the main body, and the operating direction of the elastic force of the elastic member is set to the engaging claw. And the moving direction of the operation button, and the engaging claw is always biased in the direction of engaging the moving body.

[Action]

According to the present invention, when the operation button is pressed, the pushing force of the operation button is transmitted to the two links on both sides of the operation button almost equally when the operation button is pressed, and the two links rotate synchronously. With the synchronous rotation of the two links, the engaging claw located between the two links moves in a direction substantially parallel to the pressing direction of the operation button and in the opposite direction, and is disengaged from the moving body.
As described above, according to the present invention, the operation button and the engaging claw are
Since the so-called seesaw movement is performed via two links,
The pushing force is small and the unlocking sound is low.

In particular, according to the present invention, due to the above-mentioned configuration, the pushing force of the operation button is transmitted to the two links on both sides of the operation button almost evenly without being biased to one side, and the force is applied to the two links via the two links.
Since it is transmitted to the engaging claw located between the two links without being biased to one side, the rotating portion between the operation button and the two links,
The resistance of the contact portion due to the play between the two link and the engaging claw rotating portion can be made smaller than that of the conventional locking device described below. That is, one side of the operating member and one side of the engaging claw are connected by one link, and the operating force of the operating member is biasedly transmitted to one link and via the one link. Conventional locking device transmitted to the engaging claw (for example, Japanese Utility Model Application No. 59-33356 (Japanese Utility Model Application Sho 60-1).
No. 46156), Japanese Patent Application No. 56-91
In comparison with the No. 262 (micro film of Japanese Utility Model Laid-Open No. 57-204365), the present invention, as described above, has a rotating portion between the operation button and the two links, two links and the engaging claws. Since the resistance of the pivoting portion of and and the contact portion due to the play can be reduced, the pushing operation force of the operation button can be reduced and the unlocking sound can be reduced.

Further, according to the present invention, the operating direction of the elastic force of the elastic member is made to coincide with the advancing / retracting direction of the engaging claw and the moving direction of the operation button, and the engaging claw is always biased in the direction of engaging the moving body. Therefore, when the moving body is in the open state, when the moving body is closed by the fixed body, the engaging claw engages with the moving body by the elastic force of the elastic member to lock the closed state of the moving body. . As a result, the present invention does not require a separate locking mechanism for locking the closed state of the moving body, but a conventional locking device that requires a separate posture maintaining mechanism (for example, Japanese Patent Application No. 59-33).
Compared with No. 356 (microfilm of Jitsukai Sho 60-146156), the structure is simpler by that amount.

Further, according to the present invention, with the above configuration, when the movable body is opened, the engaging claw is disengaged from the movable body and the movable body is opened by simply pushing the operation button against the elastic force of the elastic member. When closing, the moving body is closed simply by closing the moving body to the fixed body. Therefore, the opening / closing operation member for the moving body is only the operation button for opening the moving body, and the operating member for opening the moving body and the moving body An operating member for closing the
A conventional locking device that requires both
The structure is simple as compared with No. 1262 (micro film of Japanese Utility Model Laid-Open No. 57-204365).

〔Example〕

An embodiment of the lock device according to the present invention will be described below with reference to FIGS. 1 to 6.

The lock device of the present invention in this embodiment is used in an ashtray for a vehicle. In the drawings, the same reference numerals as those in FIGS. 7 to 10 indicate the same parts.

In the figure, 6 is a cover as a moving body that opens and closes the front opening of the outer case 1, and mounting pieces 60 are integrally projected at both lower ends of the back surface of the cover 6, and through holes 61 are formed in the mounting pieces 60. To provide. A mounting plate 62 having a substantially shape is fixed to the upper part of the back surface of the cover 6. The lighter 24 is provided with a mounting hole 63 on one end side of the horizontal plate of the mounting plate 62, and the meshing teeth 64 are provided on the outer surface of the vertical plate on one end side of the mounting plate 62 from the middle of the front surface side to the rear surface side. An inner case mounting hole 65 is provided on the other end side of the horizontal plate of the mounting plate 62, and a locking hole 66 is formed on the vertical plate on the other end side of the mounting plate 62 in an arc shape centered on the through hole 61. Set up. An engaging hole 67 is provided at substantially the center of the horizontal plate of the mounting plate 62. Insert the pin 3 through the through hole 61 of the mounting piece 60 of the cover 6 and the through hole 11 of the mounting piece 10 of the outer case 1, fix the stoppers 30 at both ends of the pin 3, and rotate the cover 6 to the outer case 1. Install movably. A coil spring 31 is wound around the pin 3, both ends of the spring 31 are engaged with the outer case 1 and the cover 6, respectively, and the cover 6 is constantly urged in the opening direction with respect to the outer case 1. In addition,
When the cover 6 is opened, the lower end of the cover 6 contacts the lower edge of the front opening of the outer case 1, and the opening angle of the cover 6 is about 90 °. The writer is installed in the mounting hole 63 of this cover 6.
Set 24.

Reference numeral 7 denotes an inner case, which is also a movable body and has an upper surface opened, and the upper surface opening 74 of the inner case 7 is curved and has a wall thickness to prevent cracking. A through hole 70 is provided on the side surface of the inner case 7, and a lens 71 and a plate 72 are attached to the through hole 70 with a screw 73. Since the lens 71 and the like are arranged on the side surface of the inner case 7, if the light source (not shown) is arranged in the outer case 1, the inside of the inner case 7 can be illuminated. The inner case 7 is inserted into the mounting hole 65 of the cover 6, the upper surface opening 74 of the inner case 7 is locked to the peripheral edge of the mounting hole 65 of the cover 6, and the inner case 7 is removably mounted to the cover 6.

Reference numeral 8 is a lock device of the present invention for keeping the cover 6 and the inner case 7 (moving body) closed.
Attach the main body 80 to the outer case 1 as a fixed body. The main body 80 is integrally formed on the upper surface of the horizontal mounting plate 800 so as to project integrally. The main body 80 is provided with operation button insertion holes 801 from the upper surface to the middle of the lower surface, and engaging claw insertion holes 802 from the lower surface to the upper surface. Up to the above, the operation button insertion hole 801 is provided substantially parallel to the operation button insertion hole 801. Spaces (not shown) for storing links are provided on both sides of the insertion holes 801 and 802 of the main body 80, and the main body 80 has two spaces.
Individual long holes 803, 804 are provided so as to be orthogonal to the insertion holes 801, 802, and a circular through hole 805 is provided between the long holes 803, 804 of the main body 80. 81 is an operation button, and this operation button 81 is
And a square-pillar-shaped insertion portion 8 that integrally projects from the pushing portion 810.
11 and a cylindrical guide portion 812 integrally projecting from the insertion portion 811 thereof, the insertion portion 811 is provided with a circular through hole 813, and the insertion portion 811 of the operation button 81 and the guide portion 812 are provided in the main body. It is inserted into the operation button insertion hole 801 of 80 so as to be reciprocally movable in a straight line direction. Reference numeral 82 denotes an engaging claw, and the engaging claw 82 has a quadrangular prism-shaped insertion portion 820, an acute-angled engagement portion 821 provided at one end of the insertion portion 820, and an integrally protruding portion from the other end of the insertion portion 820. And a circular through hole 823 is provided in the insertion portion 820, and the insertion portion 820 of the engaging claw 82 is inserted into the main body 80.
It is reciprocally inserted into the engaging claw insertion hole 802 substantially parallel to the operation button 81. Reference numeral 83 is a link, and circular through holes 830 and 831 are provided at a total of three positions, that is, both ends and the center of the link 83. The pin 86 is inserted into the central through hole 831 of the individual link 83 and the circular through hole 805 of the main body 80, and the two links 83 are rotatably arranged in the main body 80. Reference numeral 84 is a shaft having a head 840 at one end. Two shafts 84 are provided in the main body 80, the long holes 803 and 804, the through holes 830 at both ends of the two links 83, and the through hole 813 of the operation button 81. Insert into the through hole 823 of the engaging claw 82, fix a stopper 841 such as an E ring to the other end of the two shafts 84, and operate the operation button 81.
And the engaging claw 82 are connected to the link 83. The insertion holes 801, 802 of the main body 80, the insertion portion 81 of the operation button 81, and the engaging claw 82.
A compression coil spring 85 is interposed between the insertion portion 820 and the insertion portion 820, and the engagement claw 82 is constantly biased in a direction in which the engagement claw 82 projects from the main body 80 and engages with the engagement hole 67.

On the other hand, guide rails 17 are provided on the horizontal plate at the upper edge of the front opening of the outer case 1, and operation button through holes 18 and engaging claw through holes 19 are provided above and below the guide rails 17, respectively. Thus, the horizontal mounting plate 800 of the lock device 8 of the present invention is engaged with the guide rail 17 of the outer case 1, and the push portion 810 of the operation button 81 and the engagement portion 821 of the engagement claw 82 of the lock device 8 are fitted together. The outer case 1 is inserted into the operation button through hole 18 and the engaging claw through hole 19, respectively, and the engaging portion 821 of the engaging claw 82 is engaged with the engaging hole 67 of the closed cover 6 to cover the cover. The closed state of 6 and the inner case 7 is locked.

Reference numeral 9 denotes a stopper that keeps the cover 6 and the inner case 7 open, and the stopper 9 is formed by bending the center of the elastic plate into a V shape to form a locking portion 90. The first clamping piece 91 is formed by bending the portion outwardly in a straight line, and a part of an intermediate portion between the locking portion 90 and the first clamping piece 91 is outwardly parallel to the first clamping piece 91. It is bent to form a second clip 92. On the other hand, a mounting hole 16 is provided in the side plate of the outer case 1 at a position facing the locking hole 66 of the cover 6.
The stopper 9 is inserted into the mounting hole 16 of the outer case 1, and the first clamping piece 91 and the second clamping piece 92 of the stopper 9 elastically clamp the edge of the mounting hole 16 of the outer case 1, and The locking portion 90 is inserted into the locking hole 66 of the cover 6.

The lock device of the present invention in this embodiment has the above-mentioned structure, and an example of use of a vehicle ashtray using the lock device will be described below.

First, with the cover 6 and the inner case 7 (moving body) closed, the operation button 81 of the lock device 8 is pushed in the direction of the arrow against the spring force of the spring 85. Then the link
Through the lever action of 83, the engaging claw 82 moves in a direction substantially parallel to and opposite to the pushing direction of the operation button 81, and the engaging portion 821 of the engaging hole 82 is disengaged from the engaging hole 67 of the cover 6. As a result,
The cover 6 is opened by the spring force of the spring 31, the inner case 7 comes out of the outer case 1, and one end edge of the locking hole 66 of the cover 6 comes into contact with the locking portion 90 of the stopper 9, so that the second
As shown by the alternate long and two short dashes line in the figure and FIG. 3, the cover 6 and the inner case 7 are opened and the open state is maintained.

After using the ashtray, push the cover 6 into the outer case 1 side and insert the inner case 7 into the outer case 1.
When stored inside, the engaging claws 82 of the locking device 8 engage with the engaging holes 67 of the cover 6, and as shown by the solid lines in FIGS. 2 and 3, the cover 6 and the inner case 7 are closed. Locked.

Thus, the operation direction of the operation button 81 and the engagement operation direction of the engagement claw 82 are substantially parallel to each other, and the operation button 81
Since the engaging claw 82 and the engaging claw 82 are connected by the link 83, the frictional resistance between the operation button 81 and the engaging claw 82 is small, and the pushing operation force of the operating button 81 is the lever 83 of the link 83.
Since it works on 82, the pushing force of the operation button 81 is small, and the unlock sound is small.

In addition, in the above-mentioned embodiment, an example of locking the closed state of the moving body of the vehicle ashtray cover 6 and the inner case 7 has been described, but it is used for locking the closed state of the moving body of other devices. Is also good.

[Effect of device]

As is apparent from the above, the lock device of the present invention requires only a small pushing force and a small unlocking sound.

[Brief description of drawings]

1 to 6 show an embodiment of a locking device according to the present invention, FIG. 1 is an exploded perspective view of an example of use in a vehicle ashtray, FIG. 2 is a sectional view of the same, and FIG. 3 is the same. A partially broken side view, FIG. 4 is a sectional view taken along line IV-IV in FIG. 3, FIG. 5 is an exploded perspective view of the locking device of the present invention, and FIG. 6 is a sectional view in a locked state. 7 to 10 show a conventional locking device, FIG. 7 is an exploded perspective view of an example used in a vehicle ashtray, FIG. 8 is the same vertical sectional view, and FIG. 9 is the same horizontal sectional view. FIG. 10 is an explanatory diagram of a locked state. 1 ... Outer case (fixed body), 6 ... Cover (moving body), 67 ... Engagement hole, 7 ... Inner case (moving body), 8
... Lock device, 80 ... Main body, 81 ... Operation button, 82 ... Engaging claw, 83 ... Link, 85 ... Spring (elastic member).

Claims (1)

[Scope of utility model registration request] 1. A locking device for locking a closed state of a movable body, which is openably and closably mounted on a fixed body and is always biased in an opening direction, wherein a main body is attached to the fixed body and is engaged with the main body. The claw is mounted so as to be able to move forward and backward, and an operation button is mounted on the main body so as to be movable in a direction substantially parallel to the forward and backward direction of the engagement claw, and the operation button and the engagement claw are connected by a link, When the movable body is closed by the fixed body when the movable body is in an open state, the engaging claw engages with the movable body by the elastic force of the elastic member to move the movable body. The engagement claw is disengaged from the moving body via the link by locking the closed state of the body and pressing the operation button against the elastic force of the elastic member when the moving body is in the closed state. In the lock device that the lever opens, The link is composed of two links arranged on both sides of the engagement claw and the operation button, respectively, and is connected to the main body at an intermediate portion between the engagement claw and the operation button of the two links. It is movably attached, and the engaging claw and the operation button are rotatably attached to both ends of the two links. The elastic member is always urged in the direction in which the operating force of the elastic force thereof coincides with the advancing / retracting direction of the engaging claw and the moving direction of the operation button, and the engaging claw engages with the moving body. . A locking device characterized by the above.