JP2524333Y2 - Lock mechanism - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial application field) The present invention relates to a lock mechanism for locking a drawer or a portable handle in an audio device such as a car stereo or a portable stereo.

2. Description of the Related Art Conventionally, in-vehicle devices such as car stereos are fixedly mounted on a dashboard of a car or the like.

By the way, the mounting work at the time of this fixing requires multi-steps, and requires work from both the front side and the back side. Therefore, the mounting operation is troublesome and time-consuming. Therefore, an in-vehicle device that can easily perform a mounting operation of the in-vehicle device in a short time has been developed.

On the other hand, in recent years, for example, as the luxury orientation of in-vehicle devices has increased, damage such as theft has been increasing,
Removable so-called quick release type in-vehicle devices are also being developed.

FIG. 7 shows an example of such a quick-release type vehicle-mounted device. The in-vehicle device shown in FIG. 1 includes a holder 1 fixed to a dashboard or the like of a car. The holder 1 is provided with an opening 1a.
Can be accommodated inside the holder 1. An end of a handle 3 for taking out is attached to a front side surface of the device main body 2 so as to be rotatable via a shaft 3a.

Then, when housing the device main body 2 in the holder 1, the rear side of the device main body 2 is pushed into the inside. When removing the device body 2 from the holder 1, the handle 3
And pull out the device main body 2 toward the user.

FIG. 8 shows another example of a quick release type vehicle-mounted device.

In FIG. 1, for example, a fastening member (not shown) is provided on a side surface of the device main body 2.

When the device main body 2 is housed in the holder 1, the device main body 2 is pushed into the holder 1 and the device main body 2 is fastened.

When removing the device main body 2 from the holder 1, the fastening member is moved by the dedicated attachment / detachment jig 4 to release the fastening by the fastening member. Then, the device body 2 is pulled out of the holder 1.

(Problem to be Solved by the Invention) The locking of the handle 3 of the vehicle-mounted device shown in FIG. 7 at a predetermined position is performed by, for example, the configuration shown in FIG.

That is, the protrusion 3a is provided above the shaft insertion portion 4a of the shaft 4 that makes the end of the handle 3 rotatable. On the other hand, a concave portion 3b is provided above the shaft insertion hole 4b of the handle 3.

Then, when the handle 3 is returned to the predetermined position in the hanging state, the concave portion 3b fits into the convex portion 3a, and the handle 3 is locked. In addition, when the handle 3 is rotated to a pull-out position where the handle 3 is set in a horizontal state, the handle 3 is hooked on the edge of the handle 3 with a fingernail or the like.

As described above, the handle 3 of the vehicle-mounted device shown in FIG.
The lock at the predetermined position is performed simply by fitting the concave portion 3b to the convex portion 3a, so that a sufficient click feeling cannot be obtained, which hinders giving a sense of quality.

Further, the pulling out of the handle 3 from the locked state is performed by hooking the edge of the handle 3 with a fingernail or the like, which makes it difficult to pull out.

The present invention has been made in view of such circumstances, and an object of the present invention is to provide a handle device capable of improving a sense of quality and operability.

(Means for Solving the Problems) In order to achieve the above object, the present invention provides a lock mechanism for locking a handle rotatably attached to a device body detachable from a holder at a predetermined position. And an engagement plate provided at an end of the handle, and an urging force is applied by a spring, and when the handle is returned to a predetermined position, the urging force of the spring A lock member that fits into the engagement step portion, and an push button that is operated when the handle is pulled out from a predetermined position, releases the engagement of the lock member with the engagement plate, and rotates the engagement plate. It is characterized by having.

(Operation) In the lock mechanism of the present invention, at a predetermined position of the handle, the lock member to which the urging force is applied by the spring is engaged with the engagement plate at the end of the handle.
Further, at the time of the engagement, the lock member is fitted into the engagement step portion of the engagement plate vigorously by the urging force of the spring.

Therefore, when the steering wheel is locked, a sufficient click feeling can be obtained by the impact sound, so that it is possible to give a sense of quality.

Further, when pulling out the handle from the device main body side, by pushing the push button provided on the operation panel portion, the engagement of the lock member with the engagement plate is released, and the engagement plate is rotated. The handle was pushed out from the device body side.

Therefore, unlike the related art, it is not necessary to hook the edge of the handle with a fingernail or the like, so that the handle can be easily pulled out.

(Embodiment) Hereinafter, the embodiment of the present invention will be described in detail with reference to the drawings.

FIGS. 1 and 2 show an embodiment in which the handle device of the present invention is applied to an in-vehicle deck capable of reproducing a tape / tuner.

As shown in these figures, the deck body 5 includes a housing 5a.
An upper lid 5b having an insertion hole 5c for a jig 28 described later is provided.

In front of the deck body 5, an operation panel unit 6, a lock mechanism 7a for the handle 20 described later, and a lock mechanism 7b for the holder 35 are provided.

An FF button 8 and a REW button 9 are juxtaposed on the upper part of the operation panel section 6. Next to these buttons, there is provided a detachable window 10 for a cassette tape (not shown),
The window 10 is closed by a lid (not shown) rotatably provided inside the tape deck body 5 when a cassette tape is not mounted.

Next to the window 10, the cassette tape eject button 11
Is arranged.

These buttons 8, 9 and 11 are all capable of moving back and forth inside the tape deck body 5.

Next to the eject button 11, a tuning set button 12 and a bandwidth setting button 13 are arranged, all of which have their functions promoted by a pressing operation.

Next to the bandwidth setting button 13, there is a handle 20 to be described later.
A push button 14 for pushing the button to a predetermined position is provided.
This push button 14 is similar to the buttons 8, 9, 11 described above,
The interior of the deck body 5 can move forward and backward, and its shape is similar to the shapes of the buttons 8, 9, and 11.

In the vicinity of the push button 14, an insertion hole 6a into which a jig 28 described later is inserted is provided.

A preset button group 15 is arranged in the middle of the operation panel section 6.

A liquid crystal display unit 16 is provided below the operation panel unit 6. Next to the liquid crystal display section 16, tone control knobs 17, 18 are provided. Next to the tone control knob 18, a volume control knob 19 is arranged.

FIG. 3 shows details of the lock mechanism 7a.

As shown in the figure, engagement plates 20b and 20h are rotatably attached to a housing 5a of the deck body 5 via screws 20a.

The end of the handle 20 is attached to each of the engagement plates 20b and 20h.

Here, the handle 20 has a shape that forms a part of the outline of the operation panel section 6, and when the handle 20 is returned to the home position, the operation panel section 6 and the handle 20 are substantially flush. .

The engagement plate 20b has a recess 20 having a tapered portion 20c.
d, an engagement claw 20f having a tip portion 20e and an engagement step portion 20f is provided.

The housing 5a of the deck body 5 has an engagement recess 21a, a fan-shaped window 2
1b, a spring mounting projection 21c, and an engagement piece 21d are provided.

The housing 5a of the deck body 5 has a holding hole 22, an engagement piece.
A sub-chassis 24 having an engagement piece 23 to be described later is mounted on the sub-chassis 24. A lock plate 26 is rotatably mounted on the sub-chassis 24 via an engagement shaft 25.

The lock plate 26 has a lock arm 26a and a lock piece 2
6b and an unlocking piece 26c are provided. The lock piece 26b and the lock release piece 26c are
Part of 26 is bent toward the front.
The plate surfaces of the lock piece 26b and the lock release piece 26c are substantially perpendicular to each other. Furthermore,
The lock plate 26 is a spring 2 engaged with the engagement pieces 26d and 24e.
According to FIG. 7, when in the locked state, it is urged in the direction of arrow a, and when it is in the unlocked state, it is urged in the direction of arrow b.

Then, when the lock piece 26b is pushed in the direction of the arrow by the jig 28, the lock plate 26 rotates in the direction of the arrow a against the urging force of the spring 27. On the other hand, when the unlocking piece 26c is pressed, the lock plate 26 rotates in the direction of the arrow b against the urging force of the spring 27. Locking and unlocking operations by the jig 28 are performed through an insertion hole 5c formed in the upper lid 5b of the deck body 5 and a lock releasing hole 6a formed in the operation panel section 6.

The sub-chassis 24 is located between the sub-chassis 24 and the housing 5a.
A slide lever 29 is slidably held in the holding hole 22 through engagement pins 29a in directions indicated by arrows c and d.
On one end side of the slide lever 29, an engagement piece 29b which is engaged with the lock arm 26a of the lock plate 26 when locked.
Is provided. The engagement piece 29b is formed by bending a part of the slide lever 29.

On the other end side of the slide lever 29, an extrusion pin 29c and an extrusion piece 29d are provided. This push pin 29c
Moves in an engagement recess 21a of the housing 5a described later.

In the drawing, reference numeral 30 denotes a spring engaged with the engagement piece 29e on the slide lever 29 side and the engagement piece 24a on the sub-chassis 24, and the slide lever 29 is urged by the spring 30 in the direction of arrow c. It is supposed to be.

A lock member 31 is rotatably disposed between the housing 5a and the slide lever 29. The lock member 31 is attached to the housing 5a via the engagement shaft 21e.

The lock member 31 is provided with an engagement piece 31a and contact pieces 31b and 31c. One end of a coil spring 32 is engaged with the engagement piece 31a.
31 is biased counterclockwise. The contact piece 31c is
The fan 21a is disposed in the fan-shaped window 21b, and is pressed against the edge of the window 21b by the urging force of the coil spring 32. Contact piece 3
1b is located at a position in contact with the edge of the push piece 29d of the slide lever 29. When the slide lever 29 slides in the direction of arrow d, the edge of the push piece 29d presses the contact surface of the contact piece 31b. As a result, the lock member 31 is
Pivots clockwise against the urging force of.

In addition, the contact surface of the contact piece 31c is configured such that the distal end portion 20e of the engaging claw 20g comes in contact with the handle 20 while the handle 20 is rotating in the direction of the arrow e or f.

Then, when the handle 20 is in the state shown in FIG.
The contact piece 31c of the lock member 31 is an engagement step portion of the engagement plate 20b.
It fits in 20f. The contact piece 31c
When is fitted into the engaging step portion 20f, it is biased by the biasing force of the coil spring 32, so that an impact sound (click sound) is emitted.

The handle 20 is located in the recess 20d of the engagement plate 20c.
In the state shown in the figure, the push-out pin 29c of the slide lever 29 is fitted.

When the push button 14 is pushed in the direction of arrow d, the push pin 29c pushes the taper 20c in the recess 20d of the engagement plate 20b. As a result, the engagement plate 20b rotates clockwise, and the handle 20 rotates in the direction of arrow e.

FIG. 4 shows details of the lock mechanism 7b.

As shown in the figure, an engagement claw 20i is provided on an engagement plate 20h to which the other end of the handle 20 is attached.

The housing 5a near the engagement plate 20h is provided with a spring mounting projection 21g and a locking piece 21h. Spring mounting projection
One end of the coil spring 32a attached to 21g is a locking piece 21h
It is locked to.

In addition, the rotating plate 34 is attached to the housing 5a via the engagement shaft 33.
Are rotatably mounted. On the rotating plate 34,
An engagement piece 34d having engagement pieces 34a, 34b and a tapered portion 34c is provided.

The other end of the coil spring 32a is engaged with the engagement piece 34a of the rotating plate 34, and is thereby urged in a counterclockwise direction.

In FIG. 4, reference numeral 35 denotes an opening 36 and a locking hole.
37 shows a holder fixed to a dashboard or the like of a car.

When the device main body 5 is housed in the holder 35, the locking pieces 34d of the rotating plate 34 are fitted into the locking holes 37 of the holder 35, and the detachment of the device main body 5 from the holder 35 is prevented. It has become so. The device body 5
Handle 20 is removed from the holder 35
Is rotated to a substantially horizontal position so that the engagement plate
The engaging claw 20i of 20h presses the engaging piece 34b of the rotating plate 34 downward. As a result, the rotation plate 34 rotates clockwise, and the locking pieces 34d of the rotation plate 34 are disengaged from the locking holes 37 of the holder 35.

Next, the operation of each lock mechanism 7a, 7b having such a configuration will be described with reference to FIG. 5 and FIG.

First, when removing the main body 5 from the holder 35, the push button 14 of the operation panel 6 is pressed.

However, when the lock plate 26 is in the state shown in the figure, since the lock arm 26a is engaged with the engagement piece 29b of the slide lever 29, the movement of the slide lever 29 is prevented.

Therefore, even if the push button 14 is pushed in, the handle
20 is not pushed out to a predetermined position.

In such a state, first, the jig 28 is inserted through the lock release hole 6a of the operation panel section 6, and the lock plate 26 is inserted.
Press the lock release piece 26c. As a result, the lock play 26 rotates clockwise, and the lock arm 26a is disengaged from the engagement piece 29b of the slide lever 29.

In this state, when the push button 14 of the operation panel section 6 is pressed, the slide lever 29 moves toward the inside of the deck body 5 (in the direction of arrow d).

With the movement of the slide lever 29, the edge of the pushing piece 29d presses the contact surface of the contact piece 31b of the lock member 31, and the lock member 31 is turned clockwise against the urging force of the coil spring 32. Move. Thereby, the contact piece 31c of the lock member 31 is disengaged from the engaging step 20f of the engaging plate 20b.

When the push-out button 14 is further pushed in from this state, the push-out pin 29c is pressed into the taper 2 in the recess 20d of the engagement plate 20b.
0c is pressed to rotate the engagement plate 20b clockwise. As a result, the handle 20 rotates in the direction of arrow e and slightly pops out of the operation panel section 6.

In this state, the handle 20 is manually turned to the horizontal position. At this time, the engagement plate 20 at the other end of the handle 20
The engagement hook 20i of h presses the engagement piece 34b of the rotating plate 34 downward. As a result, the rotating plate 34 rotates clockwise, and the locking pieces 34d of the rotating plate 34 are disengaged from the locking holes 37 of the holder 35.

The deck body 5 is removed from the holder 35 by grasping the handle 20 and pulling out the deck body 5.

On the other hand, when returning the deck main body 5 removed from the holder 35 to the holder 35 again, the following operation is performed.

First, when the deck body 5 is pulled out from the holder 35, the lock plate 26 is rotated clockwise, and the engagement of the lock arm 26a with the engagement piece 29b of the slide lever 29 is released. Has been.

For this reason, when the deck main body 5 is returned into the holder 35 in this state, it is possible to remove the deck main body 5 from the holder 35 again by pushing the push button 14.

On the other hand, in order to make it impossible to remove the deck body 5 from the holder 35, the jig 28 is inserted through the insertion hole 5c provided in the upper lid 5b of the deck body 5, and the lock piece 26b is lowered. Press As a result, the lock plate 26 rotates counterclockwise against the urging force of the spring 27, and returns to the state shown in FIG.

In this state, the rear side of the device body 5 is
Push in from 36. Immediately before the device body 5 is completely pushed into the holder 35, the tapered portion 34c of the locking piece 34d of the rotating plate 34 at the other end of the handle 20 is
It contacts the edge of the opening 36 of 35. When the device main body 5 is further pushed in from this state, the rotating plate 34
Rotates slightly clockwise against the urging force of the coil spring 32a. Then, when the device body 5 comes to a position where it is completely pushed into the holder 35, the locking piece 34d fits into the locking hole 37 of the holder 35. Thus, the detachment of the device main body 5 from the inside of the holder 35 is prevented.

After the device main body 5 is completely pushed into the holder 35, the handle 20 is returned to the fixed position of the operation panel section 6.

At this time, the distal end portion 20e of the engagement plate 20b pushes the contact piece 31c of the rotating plate 31 back against the urging force of the coil spring 32. Then, when the handle 20 comes to a position immediately before the home position of the operation panel section 6, the distal end portion 20e comes off the contact piece 31c. As a result, the contact piece 31c vigorously fits into the engagement step 20f of the engagement plate 20b by the urging force of the coil spring 32. Therefore, a click sound is generated by the impact due to the momentum, so that the return of the handle 20 is moderate.

As described above, in the present embodiment, at a predetermined position of the handle, the lock member to which the urging force is given by the spring is used.
The engagement plate at the end of the handle was engaged.

Also, at the time of the engagement, the spring is fitted into the engagement step portion of the engagement plate vigorously by the urging force of the spring.

Therefore, when the steering wheel is locked, a sufficient click feeling can be obtained by the impact sound, so that it is possible to give a sense of quality. Further, the click feeling can be freely set by changing the biasing force of the spring applied to the locking member.

Further, when pulling out the handle from the device main body side, by pushing the push button provided on the operation panel portion, the engagement of the lock member with the engagement plate is released, and the engagement plate is rotated. The handle was pushed out from the machine body side.

Therefore, unlike the related art, it is not necessary to hook the edge of the handle with a fingernail or the like, so that the handle can be easily pulled out.

Further, in this embodiment, the device main body is made detachable with respect to a holder fixed to a dashboard or the like of a car, and when the device main body is not required to be removed by a lock mechanism for the holder, the device main body is attached to the holder. Locked.

Therefore, the device to which each lock mechanism according to the present embodiment is applied can be used as a fixed type, so that the number of development models is reduced, thereby reducing the development cost. It becomes possible.

Further, the handle in the present embodiment has a shape that forms a part of the contour of the operation panel section, and when the handle is returned to the home position, the operation panel section and the handle are substantially flush with each other. It is difficult to identify the quick release type, and it can be extremely effective in preventing theft. Further, since the handle has a shape that forms a part of the outline of the operation panel section, a neat design can be achieved without impairing the aesthetics of the operation panel section.

In the present embodiment, the case where the present invention is applied to a vehicle-mounted device has been described. Etc. can be improved.

(Effects of the Invention) As described above, according to the lock mechanism of the present invention, when the handle is locked, a sufficient click feeling can be obtained by the impact sound when the lock member is fitted into the engaging step. As a result, luxury can be achieved.

Further, when pulling out the handle from the device main body side, by pushing the push button provided on the operation panel portion, the engagement of the lock member with the engagement plate is released and the engagement plate is rotated, The handle was pushed out from the device body side. Therefore, as before,
Since it is not necessary to hook the edge of the handle with a fingernail or the like, the handle can be easily pulled out, so that operability can be improved.

[Brief description of the drawings]

1 and 2 are perspective views showing an embodiment in which the handle device of the present invention is applied to a tape / tuner deck for a vehicle, and FIG. 3 is a lock mechanism for the handle shown in FIGS. 1 and 2. FIG. 4 is an exploded perspective view, FIG. 4 is a perspective view showing a lock mechanism for a holder for accommodating the deck body shown in FIGS. 1 and 2, and FIGS. 5 and 6 are FIGS. FIG. 7 is a diagram for explaining the operation of the lock mechanism shown in FIG.
FIG. 8 is a perspective view showing an example of a conventional quick release type vehicle-mounted device, FIG. 8 is a perspective view showing another example of the conventional quick release type vehicle-mounted device, and FIG. 9 is a vehicle view shown in FIG. FIG. 3 is an exploded perspective view showing a lock mechanism in the device. 5 ... deck body, 5c ... insertion hole, 6 ... operation panel section, 7 ... handle device, 14 ... push button, 20 ...
Handle, 20b, 20h… Engagement plate, 24… Subchassis, 26… Lock plate, 26b… Lock piece, 26c…
... Lock release piece, 28 ... Jig, 29 ... Slide lever,
31 ... Lock member.

Claims (1)

(57) [Scope of request for utility model registration] 1. A locking mechanism for locking a handle rotatably attached to a device body detachably mounted on a holder to a holder at a predetermined position, the locking mechanism having an engagement stepped portion, wherein an end portion of the handle is provided. An engaging plate provided, a biasing force is applied by a spring, and when the handle is returned to a predetermined position, a lock member that fits into the engaging step by the urging force of the spring, and the handle is fixed to a predetermined position. A push button that is operated when the lock member is pulled out of the position and releases the engagement of the lock member with the engagement plate to rotate the engagement plate.