JP2592719Y2 - Operation unit attachment / detachment mechanism for electronic equipment - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic device such as an in-vehicle device, for example, in which an operation portion is detachable from the device main body. And a vehicle-mounted device configured separately.

[0002]

2. Description of the Related Art Conventionally, in-vehicle devices such as tape players and disk players are mainly fixedly mounted in vehicles, but today, with the increase in automobile crime, the devices themselves are mounted in vehicles. What can be detached from is required. If the device itself can be removed from the car in this way, for example, even if the user leaves the car for a long time, the in-vehicle device itself can be removed and stored in a safe place. Can be prevented beforehand.

[0003] However, it is complicated to remove or attach such an entire device, and transporting the device is also a difficult operation. Focusing on this point, a device in which only the operation unit can be removed from the device main body has been put to practical use. In this way, if only the operation unit can be removed, the device cannot be operated without the operation unit. Therefore, even if the device body itself is stolen, it cannot be used. This has the effect of preventing the theft of the device body.

FIG. 16 shows an example in which the operation section and the apparatus main body are separated from each other. FIG. 16 is a perspective view of a conventional in-vehicle device, and FIG. 17 is a cross-sectional view taken along line XVI-XVI shown in FIG. The in-vehicle device shown in FIG. 1 includes a device body 1 such as a tape player, and a separate operation unit 2 detachably provided on an operation surface 1a of the device body 1. The operation surface 1a of the device main body 1 is formed with a concave portion 1b for mounting the operation portion 2, and the bottom surface 1d of the concave portion 1b has an insertion hole 1c into which the tape cassette A is inserted. An urging member 4 for urging in a direction away from 1d, and a connector 1e for electrically connecting the mounted operation unit 2 to the device main body 1 are provided.

[0005] On one side wall 1f of the concave portion 1b, a lock engaging portion 5 for locking the mounted operating portion 2 in the concave portion 1b, and as shown in FIG. There is provided a holding and locking portion 6 for holding the holding member 6 at a distance. On the other side wall 1g, a locking projection 7 is provided at a position similar to that of the lock locking portion 5. Various operation buttons 2b, 2 are provided on an operation surface 2a of the operation unit 2.
Along with d and the like, an insertion hole 2c of the tape cassette A facing the insertion hole 1c when mounted in the recess 1b is formed. On both side surfaces of the concave portion 1b opposed to the side walls 1f and 1g, the operating portion 2 is locked by the lock locking portion 5 and the locking projection 7 with the operating portion 2 mounted in the concave portion 1b. Locking grooves 2e and 2f are formed.

[0006]

[Problem to be Solved by the Invention] Recess 1b of device body 1
When the operating section 2 is mounted on the operating section 2, the operating section 2 receives the urging force of the urging member 4, but the lock locking section 5 and the locking projection 7 lock into the grooves 2e and 2f, respectively. Therefore, the mounted state of the operation unit 2 is maintained. When the lock lock portion 5 is retracted into the side wall 1f by operating the lock release button 8 provided on the operation surface 1a, the locked state of the left end portion of the operation portion 2 in the figure is released. By releasing the locked state, the operation unit 2 moves in a direction away from the bottom surface 1d by the urging force of the urging member 4. By this movement, the operation unit 2
17, rotates counterclockwise about the locking protrusion 7 at the right end in the figure as a fulcrum. During this rotation, the holding and locking portion 6 is elastically locked in the locking groove 2e of the operating portion 2, and the operating portion 2 is temporarily temporarily held. At this time, the operation unit 2 is held by hand and taken out of the device main body 1.

However, in the above structure, if the urging force of the urging member 4 is stronger than necessary, or if the engagement between the holding and locking portion 6 and the groove 2e is not perfect in the state of FIG. With the release, the operating portion 2 jumps out vigorously, and the holding / locking portion 6 and the locking groove 2e of the operating portion 2 cannot be reliably engaged, and the operating portion 2 falls down as it is.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an operation unit detaching mechanism for an electronic device that facilitates the operation of detaching the operation unit without detaching the operation unit when the operation unit is detached.

[0009]

According to the present invention, a recording medium is inserted.
A main body to be inserted into the main body, and an operation section that can be attached to and detached from the main body . In an electronic device provided with a lock mechanism that locks in a state and a biasing member that biases the operation unit in a detaching direction, the device main body includes
Projecting in the biasing direction of the biasing member to form an insertion hole for the recording medium
The protrusion is fitted on the operation portion with the protrusion in a mounted state.
When the lock is released by the lock mechanism and the operation unit is rotated by being urged by an urging member with the locking portion as a fulcrum , the protrusion is formed in the hole.
A contact part which contacts with the part and regulates rotation of the operation part is provided integrally .

[0010]

In the above means, when the lock by the lock mechanism is released in a state where the operation section is mounted on the apparatus main body, the operation section is rotated about the locking section at one end as a fulcrum by the urging force of the urging member. Away from the main unit. Operation at this time
The abutting part of the part abuts against the protruding part of the device body to regulate rotation.
This prevents the operation unit from jumping forward. And when pulled out by hand the operation portion, the contact portion
The contact between the protruding portion and the protruding portion causes a slight resistance, but when the protruding portion comes off, the operating portion can be removed from the device main body.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. FIG. 1 is a front view showing an in-vehicle device main body and an operation unit mounted thereon as an example of the electronic device of the present invention, and FIG. 2 shows an operation unit from the in-vehicle device main body shown in FIG. FIG. 3 is an exploded perspective view showing a locking mechanism and a locking mechanism provided in the apparatus main body, showing a detached state;
Is a sectional view taken along the line IV-IV shown in FIG. 2, FIG. 5 is a sectional view taken along the line VV shown in FIG. 2, and FIG. 6 is a VI-VI shown in FIG.
7 is a rear view of the operation unit shown in FIG. 1, FIG. 8 is a partially enlarged perspective view of the operation unit shown in FIG. 2, and FIG.
3A and 3B are a left side view and a right side view of the operation unit.

A vehicle-mounted device 10 shown in FIGS. 1 and 2 includes a device main body 11 fixed in an automobile, and an operation section 12 formed separately from the device main body 11. As shown in FIG. 2, a nose portion 11a made of synthetic resin is attached to the front surface of the device main body 11, and a concave portion 11b corresponding to the outer surface shape of the operation portion 12 is formed in the nose portion 11a. I have. The bottom surface of the recess 11b (the operation unit 12)
11c), a rectangular cylindrical protrusion 13 serving as an insertion portion of the tape cassette A, and transmission and reception of operation information and the like between the operation portion 12 and the lower portion of the protrusion 13 A terminal unit 14 for transmitting and receiving power and an urging member 30 for urging the operation unit 12 in a discharge direction are provided.

As shown in FIGS. 6 and 11, the projecting portion 13 projects forward in the shape of a rectangular tube. The portion surrounded by the projecting portion 13 is an insertion hole for the tape cassette A. 13b. The operation unit 12 has a rectangular tube-shaped hole 12g formed therein.
a, the hole 12g and the protrusion 13
Are fitted to each other.

As shown in FIG. 2 to FIG.
An elastic member 21 formed by a metal leaf spring is mounted on one side wall 11e of the concave portion 11b of 1a. The elastic member 21 has elastic arms 21 having different lengths.
c and 21d are integrally formed, and each elastic arm 21
A holding protrusion 21a and a lock protrusion 21b are provided at the distal ends of c and 21d, respectively. Holding projection 21a
The lock projections 21b are made of resin, and are integrally fixed to the distal ends of the elastic arms 21c and 21d, respectively. Through holes 11k and 11j are formed in the side wall 11e, and the holding protrusion 21a and the lock protrusion 21b are formed.
Project from the through holes 11k and 11j to the inside of the recess 11b, respectively. As shown in FIG. 5, the other side wall 11d has locking projections 20a, 20 protruding inward into recesses 11b at positions spaced apart from each other by an equal distance from bottom 11c.
b is provided. The locking projections 20a and 20b are also urged by a leaf spring or the like in a direction to protrude into the recess 11b.

As shown in FIG. 3 and the like, a lock release button 22 urged in a projecting direction by a spring (not shown) is provided on the front surface of the left end of the nose portion 11a. A tapered surface 22a is formed at the inner end of the lock release button 22, and the tapered surface 22a faces the inside of the distal end of the elastic arm 21d. When the lock release button 22 is pressed, the tapered surface 22a elastically deforms the elastic arm 21d, and the lock protrusion 21b retreats from the recess 11b to the inside of the side wall 11e.

The holding projection 21a and the lock projection 21
b and the locking projections 20a and 20b, respectively, as shown in FIG. 4 and FIG.
1b and the locking projections 20a, 20b have the same distance from the bottom surface 11c, and the grooves 25, 26 formed on both side ends of the operation unit 12 when the operation unit 12 is completely mounted.
(See FIGS. 9A and 9B). The lock projection 21b and the locking projections 20a and 20b are fitted. As shown in FIG. 4, the holding protrusion 21 a is located slightly forward of the lock protrusion 21 b, the lock by the lock protrusion 21 b is released, and the operation unit 12 projects forward by the urging force of the urging member 30. Sometimes, the groove 25 formed on the end face of the operation unit 12
Engages with the projection 21a to temporarily hold the operation unit 12 (state (a) in FIG. 11).

As shown in FIGS. 4 and 5, the nose portion 11a
A long hole 16 is formed at a substantially intermediate portion between both side walls 11e and 11d of the concave portion 11b, and a locking member 17 is attached to the long hole 16. This locking member 17
This is for locking the device main body 11 and the inner case in a state where the device main body 11 is inserted into an inner case fixed inside the vehicle.

As shown in FIG. 1, the operation surface 1 of the operation unit 12
Various operation buttons 12d and 12e and a display unit 12f are provided in 2a, and a hole 12g into which the above-described tape cassette A is inserted is opened at the upper center. As shown in FIG. 7, a terminal portion 15 that is electrically connected to the terminal portion 14 formed on the device main body 11 is provided at a position below the rear surface 12 h of the operation unit 12.

As shown in FIG. 7 and FIG.
An inclined surface 1 having an angle with respect to the insertion direction of the tape cassette A is provided at a corner of the inner wall 12j on the back surface 12h side.
2k is formed, and a contact portion 24 is integrally formed at the center of the inclined surface 12k. The contact portion 24 protrudes from the inclined surface 12k in a rib shape. As shown in FIG. 6, FIG. 11 and FIG.
The nose portion 11a protrudes in the direction of the side wall outer surface 13a of the protruding portion 13. The projecting dimension of the rib-shaped contact portion 24 is
The lock of the operation portion 12 by the lock protrusion 21b is released, and the operation portion 12 is urged by the urging member 30, and the fitting portion between the locking protrusions 20a and 20b and the groove 26 is used as a fulcrum in FIG. When rotating counterclockwise, the contact portion 2
4 is formed so as to be hooked on the side wall outer surface 13a of the protruding portion 13 of the nose portion 11a.

FIG. 12 shows that the operating portion 12 is
The path of the leading end of the contact portion 24 when rotating around the fitting portion between the a and 20b and the groove 26 is indicated by α. The dimension at which the trajectory of α overlaps the side wall outer surface 13a is small, and as shown in FIG. 11, when the lock of the operation unit 12 is released, the contact portion 24 and the side wall outer surface 13a are caught and the operation unit 12 Jumping out and falling off can be prevented, and FIG.
When the operation part 12 is pulled by hand after the state of 1, the engagement between the contact part 24 and the side wall outer surface 13a is set to such a degree that it is forcibly detached with a light resistance.

Next, the detaching operation of the operation section 12 will be described in detail. As shown in FIG. 1 and FIG.
When the operating portion 12 is mounted in the concave portion 11b, a force for urging the operating portion 12 from the concave portion 11b by the urging member 30 always acts. However, the grooves 25 and 26 formed on both side surfaces of the operation unit 12 are
The operation portion 12 is locked in the mounted state by being locked by the lock protrusion portions 21b and the lock protrusion portions 20a, 20b provided on both side walls of b.

When the operation section 12 is mounted on the nose section 11a, the projections 20a, 20b and 21a, 2
1b once retracts against the spring force (elastic force by the elastic arms 21c and 21d shown in FIG.
Are completely mounted, the grooves 25 and 26 provided at both ends of the operation section 12 are respectively provided with the projections 21b and 20b.
a, 20b to be in the state of FIG. At this time, since the operation section 12 is often inserted in a state substantially parallel to the front surface of the nose section 11a, the hole section 12 of the operation section 12 is formed.
g smoothly fits with the protruding portion 13 of the nose portion 11a, so that the contact portion 24 and the side wall outer surface 13a are not caught. Also, for example, when the operation unit 12 is mounted in the state shown in FIG. 11 with a substantially inclined posture, a slight resistance is generated due to the sliding between the contact unit 24 on the operation unit 12 side and the side wall outer surface 13a on the nose unit 11a side. However, if the operation unit 12 is pushed as it is, it can be easily mounted in the state of FIG.

Next, when removing the operation section 12 from the nose section 11a, the lock release button 22 is pressed. At this time,
The tapered surface 22a of the lock release button 22 is
Is elastically deformed, the lock protrusion 21b is retracted from the recess 11b into the side wall 11e, and is released from the groove 25 of the operation portion 12 to release the lock. When the lock is released, the operating portion 12 is rotated counterclockwise by the urging force of the urging member 30 with the engagement portion between the locking projections 20a, 20b and the groove 26 as a fulcrum, as shown in FIG. Move.

At this time, as shown in FIGS. 11 and 12, the rib-shaped contact portion 24 formed on the inner wall of the hole portion 12g of the operation portion 12 is fitted to the side wall outer surface 13 of the protruding portion 13 of the nose portion 11a.
The operation unit 12 does not protrude any more. At this time, on the right side of FIG. 11, the groove 25 formed on the end face of the operation section 12 is fitted with the holding projection 21a located forward of the lock projection 21b, and the operation section 1
2 is temporarily held. That is, conventionally, this projection 21a
And the groove 25 alone, the operating portion 12 is temporarily held, and the temporary holding is released by the urging force of the urging member 30, and the operating portion 12 may drop. In this embodiment, however, FIG. As shown, the contact portion 24 and the side wall outer surface 13a
, The operation unit 12 surely stops at the position shown in FIG. Therefore, the holding protrusion 21a
Need not necessarily be provided. (A) of FIG.
In this state, when the operating portion 12 is grasped and pulled, the operating portion 12 comes off the nose portion 11a with a light resistance due to the sliding between the rib-shaped contact portion 24 and the outer wall surface 13a.

FIGS. 13 to 15 show a second embodiment of the present invention. FIG. 13 is a cross-sectional view showing a mounted state of the nose portion and the operation portion of the vehicle-mounted disk device, and FIG.
15 is an enlarged cross-sectional view of the XV portion showing a state in which the operation unit shown in FIG. 13 is detached from the nose part. The disk device 40 has a rectangular cylindrical projection 41c formed with an insertion hole 41a for a disk (not shown) substantially at the center of a nose portion 41 of the device body. The operation section 42 mounted on the mounting surface 41b of the nose section 41 has a disc insertion section 42a formed therein, and the disc insertion section 42a has an insertion hole 42b formed therein. At the base of the disc insertion portion 42a, a concave portion 43 that fits with the protruding portion 41c is formed.

As shown in FIG. 13 and FIG.
An inclined surface 43b is formed at the base portion of No. 3, and a corner of the inclined surface 43b is a contact portion 43a that comes into contact with a corner 41d of the protruding portion 41c. Grooves 42c, 42c are formed on both side surfaces of the operation portion 42, and the nose portion 4 is formed.
1 includes locking projections 4 fitted into the grooves 42c, 42c.
4 and a lock projection 45 and a holding projection 46 for temporary fixing are provided. These projections project with elasticity. The nose portion 41 is provided with an urging member (not shown) for urging the operation portion 42 forward.

In this device, when the operation section 42 is mounted as shown in FIG. 13, the grooves 42c formed on both side surfaces of the operation section 42 are respectively provided with the lock projections 4c.
The operation unit 42 is locked by engaging with the locking projection 5 and the locking projection 44. When the lock projection 45 is moved backward and removed from the groove 42c by a lock release operation button (not shown), the operation section 42 is protruded by the urging force of the urging member. At this time, FIG.
On the right side of the drawing, first, the groove 42c and the locking protrusion 44
The operation unit 42 rotates counterclockwise with the fulcrum as a fulcrum, and then the end of the operation unit 42 and the device main body 41 contact each other at the C portion, and the C unit fulcrums. In FIG. 15, the rotation trajectory of the tip of the contact portion 43a of the operation unit 42 at this time is indicated by β. The locus of β crosses the corner 41d of the protruding portion 41c shallowly. Therefore, the contact portion 43a hits the corner 41d, and the operation unit 42 temporarily stops at this position. At this time, the groove 42c on the left side in the drawing of the operation section 42 is fitted with the holding projection 46.

By the contact between the contact portion 43a and the corner portion 41d, the operating portion 42 can be prevented from jumping out and falling by the urging force of the urging member. Further, when the operating portion 42 is held and pulled by hand, the operating portion 42 can be detached with a light resistance of sliding between the contact portion 43a and the corner portion 41d. In each of the above-described embodiments, a projection and a fitting portion formed by a protrusion and a hole in which the device main body and the operation unit are fitted are formed in a portion where the insertion hole of the cassette or the disc is formed,
Although this portion is provided with a contact portion, a concave / convex fitting portion formed by a protrusion and a hole portion is provided in a portion other than the cassette or disc insertion port, and this portion may have a contact portion. .

Further, a protrusion may be formed on the operation unit side and a hole may be formed on the device body side, and the two may be fitted into the concave and convex. Further, the present invention is not limited to the in-vehicle device, and the same applies to a home or office electronic device as long as the operation unit is provided detachably with respect to the device main body, for example. Can be implemented.

[0030]

As described above, according to the present invention, in the case where the operating section is detachable from the main body of the apparatus and the operating section is urged in the detaching direction of the urging member after the lock is released, this lock is used. At the time of release, the contact between the contact part and the protrusion
As a result , the operation unit can be prevented from jumping out and falling.

[Brief description of the drawings]

FIG. 1 is a front view showing a state in which an operation unit is mounted on a device main body of a vehicle-mounted device.

FIG. 2 is a front view showing a state where an operation unit is removed from a device main body of the vehicle-mounted device shown in FIG. 1;

FIG. 3 is a partially exploded perspective view showing an operation unit attachment portion of the device main body.

FIG. 4 is a sectional view taken along line IV-IV shown in FIG. 2;

FIG. 5 is a sectional view taken along line VV shown in FIG. 2;

FIG. 6 is a sectional view taken along line VI-VI shown in FIG. 1;

FIG. 7 is a rear view of the operation unit shown in FIG. 1;

FIG. 8 is a partially enlarged perspective view showing a back surface of the operation unit shown in FIG. 2;

FIGS. 9A and 9B are a left side view and a right side view of the operation unit.

FIG. 10 is a partially enlarged cross-sectional view showing a contact portion when the operation unit is attached to the device main body, and is a part X of FIG. 6;

FIG. 11 is a sectional view showing a detached state of the operation unit when the lock of the operation unit is released.

FIG. 12 is a partially enlarged sectional view of a part XII in FIG. 11;

FIG. 13 is a cross-sectional view showing a mounting state of a device main body and an operation unit of a disk device as another embodiment.

FIG. 14 is a partially enlarged perspective view showing the back of the operation unit shown in FIG. 13;

FIG. 15 is a partially enlarged cross-sectional view of an XV part in FIG. 13;

FIG. 16 is a perspective view of a conventional vehicle-mounted device.

FIG. 17 is a sectional view taken along line XVI-XVI shown in FIG. 16;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Device main body 11a Nose part 11b Concave part 11c Bottom surface 12 Operation part 12g Hole part 13 Projection part 20a, 20b Locking protrusion part 21a Holding protrusion part 21b Lock protrusion part 24 Contact part 25, 26 Groove 30 Energizing member 41 Device body 41c Projecting portion 41d Corner portion 42 Operating portion 42c Groove 43 Concave portion 43a Contact portion 44 Projecting portion 45 Lock projecting portion

Claims (1)

(57) [Scope of request for utility model registration] An apparatus has a device main body into which a recording medium is inserted, and an operation unit that can be attached to and detached from the device main body, wherein the device main body has a locking unit that locks one end of the operation unit. In an electronic device provided with a lock mechanism that locks the other end in a mounted state and a biasing member that biases the operation unit in a detaching direction, the device main body protrudes in a biasing direction of the biasing member.
A protrusion forming an insertion hole of the recording medium is provided on the operation unit.
Is provided with a hole that fits with the protrusion in the mounted state,
The hole is unlocked by the lock mechanism, and the operating portion is urged by an urging member with the locking portion as a fulcrum .
When the rotation is performed , the protrusion comes into contact with the projection and the operation unit rotates.
An operating unit attaching / detaching mechanism for an electronic device, wherein an abutting portion for regulating the pressure is provided integrally .