JPH0326558B2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a locking device for mounting an electronic device housing containing a built-in electronic device such as a radio into a car or a communication device, etc. .

Conventional configuration and its problems Conventionally, in order to mount an in-vehicle radio device on a car, as shown in Fig. 1, the mounting plate 2 of the mounting mount 1 is attached to the car body using the holes 3 and screws 4. Attachment: Insert the radio housing 5 into the mounting mount 1, and engage the protrusions 6 integrally provided on the rear portions of both sides with the engagement grooves 8 formed on the side plates 7 of the mounting mount 1. let it hold. Then, the mounting mount 1 is inserted through the hole 10 of the mounting plate 9 protruding from the side of the radio housing 5.
The radio device housing 5 is attached to the mounting mount 1 by inserting a screw 13 into a screw hole 12 of a mounting plate 11 protruding from the side. According to such a conventional mounting device, the installation work of the radio device casing 5 is easy, but anyone can use a screwdriver to remove the screws 13 and attach the radio device casing 5.
can be easily removed from mounting mount 1,
There have been accidents where radios have been stolen if the vehicle is left unlocked or left unattended for a short period of time. This allows for easy installation work,
Moreover, there is a need for a device that can prevent someone else from removing the radio device housing.

Purpose of the Invention The present invention eliminates the drawbacks of the above-mentioned conventional example, and allows the electronic device case to be easily and quickly attached to and removed from the mounting mount. It is an object of the present invention to provide a locking device for an electronic device case that can prevent it from being removed from a mount.

Structure of the Invention In order to achieve the above object, the present invention includes a retaining groove provided on the side surface of the cylindrical body, a locking groove provided in a direction perpendicular to the retaining groove, and a front side portion of the side surface of the electronic device housing. a mounting mount having a protrusion provided on the holder, a holding piece that is engaged with the holding groove, a lock lever swingably supported by the mounting mount, and a first lock provided on the front side of the lever. a second locking claw provided on the rear side of the locking lever at a position hidden from the outside inside the mounting mount; an elastic body that allows passage and, after passing, engages the first lock pawl with the protrusion to prevent the protrusion from coming out, and urges the lock lever so that it engages with the second lock groove and prevents the protrusion from coming out; and the mounting mount. It is equipped with a lock that locks the lock lever, and can be locked by inserting the electronic device case into the mounting mount and locking it, and can also be unlocked.
By rotating the lock lever and disengaging the first lock claw from the protrusion, the electronic device case can be removed from the mounting mount.Also, if the first lock claw of the lock lever is intentionally detached from the protrusion in the above-mentioned locked state, The electronic device housing is configured such that the electronic device housing can be kept in a locked state with respect to the mounting mount by engaging the second locking pawl and the locking groove at a hidden position inside the mounting mount even if the electronic device casing is It is something to do.

DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings. In FIGS. 2 to 4, 21 is an electronic device housing containing an electronic device (for example, a radio);
Reference numeral 22 denotes a mounting mount to which the electronic device housing 21 is mounted. A holding groove 23 extending in the longitudinal direction is formed in the center of both sides of the electronic device housing 21, and this holding groove 23 has a linear narrow groove 24 and a narrow groove 24.
Continuing from the rear side of 4, the groove 25 is formed so as to gradually widen as it reaches the rear end opening side.
Lock grooves 26 are provided above and below the rear side of the groove 24 in a direction perpendicular to the groove 24, and these lock grooves 26
is formed slightly shallower than the holding groove 23. A projection 27 is integrally provided at the front central portion of both sides. A control panel 28 is provided on the front side, and a connector 29 with coaxial and pins etc. is provided on the rear side.
A radiator 30 is provided, and a guide hole 31 is formed on the side of the connector 29. The mounting mount 22 consists of a mounting mount main body 32 and a rear plate 33. The mounting mount main body 32 has side plates 35 connected to both left and right sides of the mounting plate 34, and the rear plate 33 is attached to the bent piece 35a on the rear side of both side plates 35. It is removably attached with screws 36. A plurality of holes 37 are formed in the mounting plate 34 for mounting on a vehicle body or the like. At the center of each side plate 35, a holding piece 38 that projects horizontally inward is connected. A U-shaped notch 39 is formed in the front side of each side plate 35 in the horizontal direction. A lock arm 40 is provided on the front side of each side plate 35 and is located below the notch 39 and protrudes outward by being cut and raised. A lock lever 41 is provided inside each side plate 35, and this lock lever 41 is swingably supported by the side plate 35 by a shaft 42. A first lock pawl 43 is provided on the front side of each lock lever 41 so as to close the notch 39 of the side plate 35, and a second lock pawl 44 is provided on the rear side. The tip of the claw 44 projects inward. Each first lock pawl 4
A push-out claw 45 for pushing out the electronic device case toward the front is provided at the lower rear side of the switch 3. A locking arm 46 is provided on the lower side of each push-out pawl 45 and protrudes outward from the cut-and-raised hole of the locking arm 40 and can be overlapped with the locking arm 40. A lock release fin 47 is provided at the top of each first lock pawl 43 and projects outward.
A fitting portion 48 is provided at the upper front side of the side plate 35 of the mounting mount 22 on the rear side. A square hole 49 formed in the center of the side plate 35 and the lock lever 41 are provided with opposing protrusions in the middle, and a compression spring 50 which is an elastic body is provided between the square hole 49 and the lock lever 41 on the outer periphery of these protrusions. is interposed, and the elasticity of the compression spring 50 urges the lock lever 41 so that its first lock pawl 43 opens to the front opening of the notch 39. By pressing the lock release fin 47 upward, the lock lever 41 is rotated against the elasticity of the compression spring 50.
The front opening of the notch 39 can be opened.
A connector 51 for connecting the coaxial and pins of the connector 29 of the electronic device housing 21 is attached to the rear plate 33, and the connector 51 is designed to be slightly freely movable vertically and horizontally to facilitate connection of the connector 29. installed on. Connector 5
Connector 29 is adjacent to the outside of connector 51.
In order to correctly guide the connector, a guide pin 52 to be inserted into the guide hole 31 is provided protrudingly, adjacent to the inner side of the connector 51, and pressed against the rear side of the electronic device housing 21.
A compression spring 53 is attached that constantly applies force to push out the electronic device housing 21. Further, the rear plate 33 is provided with a row of holes 54 for circulating air to the radiator 30 of the electronic device housing 21. A coaxial cord 55 and a power cord 56 are connected to the connector 51, and the coaxial connector 5 is connected to the coaxial cord 55.
7 is connected, and the power cord 56 has a connector 58.
is connected. The rear plate 33 is removed from the bent piece 35a of the side plate 35 by removing the screws 36, and the mounting mount main body 32 is reversed as shown in FIG. It can be attached to with screws 36.

According to this locking device, the electronic device housing 21 is inserted into the inside of the mounting mount 22 attached to the vehicle body or the like as shown by the arrow in FIG. As a result, the groove 24 of the holder 23 is engaged with the holder piece 38. The electronic device housing 21 is connected to the compression spring 5 of the rear plate 33.
3, the guide hole 31 of the electronic device housing 21 connects with the guide pin 52 of the mounting mount 22.
The connector 29 is then connected to the connector 51.
connected to. When making this connection, the electronic device housing 21
The protrusion 27 passes through the first lock pawl 43 of the lock lever 41 on the mounting mount 22 side against the elasticity of the compression spring 50, and the protrusion 27 passes through the notch 29.
When the lock lever 41 is inserted into the compression spring 5
The first lock claw 43 returns to its original state due to the elasticity of 0.
is engaged with the front side of the protrusion 27, as shown in FIG. 4, and the protrusion 27 is prevented from coming off. At the same time, the second lock pawl 44 of the lock lever 41 is engaged with the lock groove 26 of the electronic device housing 21 and is prevented from coming off.
In this state, the locking arm 40 of the mounting mount 22 and the locking arm 46 of the lock lever 41 are overlapped,
By using these holes and locking both with the lock 59, the electronic device housing 21 is attached to the mount 2.
2 can be installed in a locked state. Further, by pressing the lock release fin 47 upward to release the protrusion 27 from the first lock claw 43 and to release the lock groove 26 from the second lock claw 44, the elasticity of the compression spring 53 causes the electronic device housing 21 to be released. Press forward to remove the connector 29 from the connector 51 and remove the guide hole 31 from the guide pin 52, and then attach the electronic device housing 21 to the mounting mount 22.
It can be removed and attached to a communication device, etc.

In the above usage example, the electronic device housing 21 is mounted in a lifting manner, but the mounting mount 22
It is also possible to attach the electronic device casing 21 to the lower part of an automobile dashboard or the like, and to attach the electronic device housing 21 in a hanging manner. In this case, remove the screws 36, remove the rear plate 33 from the mounting mount body 32 as shown in FIG. screw 36
Attach by. Therefore, even if the electronic device casing 21 has vertical directionality, its connector 29 can be made to correspond to the connector 51 on the mounting mount 22 side, and the electronic device casing 21 can be locked to the mounting mount 22 in the same manner as described above. Can be installed in any situation. Note that if the shapes of the connectors 29 and 52 are made symmetrical in the vertical and horizontal directions and provided at the rear surface of the electronic device housing 21 and the center of the rear plate 33 of the mounting mount 22, respectively, there is no need to remount them as described above, and the mounting mount 22 Just invert the whole thing and use it.

Effects of the Invention As is clear from the above description, according to the present invention, by inserting the electronic device case into the mounting mount, the first lock lever of the lock lever supports the protrusion and the lock groove of the electronic device case on the mounting mount side. and second
Then, by simply locking the lock lever and the mounting mount, the electronic device case can be quickly and locked onto the mounting mount. Moreover, by simply unlocking the lock and rotating the lock lever, the first and second lock claws can be removed from the protrusion and the lock groove, and the electronic device housing can be removed from the mounting mount. Also, in the above lock state, the second
The lock claw is hidden inside the mounting mount, so even if the lock claw is pried open with a screwdriver, the lock lever cannot be rotated unless the key is opened. The user is responsible for the key type, number matching type, electronic lock type, etc., and can use a key that suits the user's preference, ensuring a secure lock status. It has the advantage of being able to be retained.

[Brief explanation of drawings]

Fig. 1 is an exploded perspective view of a conventional electronic device casing and mounting mount, Fig. 2 is an exploded perspective view of an electronic device casing and mounting mount showing an embodiment of the locking device of the present invention, and Fig. 3 is an exploded perspective view of a conventional electronic device casing and mounting mount. A perspective view from the front of the mount. Figure 4 is an enlarged perspective view of the main parts showing the state in which the electronic device case is lifted up on the mounting mount. Figure 5 is an exploded view of the mounting mount when used in a hanging manner. A perspective view, FIG. 6 is a perspective view of the assembled state. 21...Electronic device housing, 22...Mounting mount, 23...Retaining groove, 26...Lock groove, 27...
...Protrusion, 29...Connector, 32...Mounting mount body, 33...Rear body, 38...Holding piece, 41
... Lock lever, 43 ... First lock pawl, 4
4...Second lock claw, 50...Compression spring (elastic body), 51...Connector.

Claims (1)

[Claims] 1 An electronic device casing, a holding groove provided on the side surface of the electronic device casing, a locking groove provided in a direction perpendicular to the holding groove, and a lock groove provided on the front side of the side surface of the electronic device casing. a mounting mount having a holding piece that is engaged with the holding groove; a lock lever that is swingably supported by the mounting mount;
A first lock claw provided on the front side of the lock lever, a second lock claw provided on the rear side of the lock lever at a position hidden from the outside inside the mounting mount, and a holding groove for the electronic device. Allow the above protrusion to pass when engaging the holding piece of the mounting mount,
an elastic body that biases the lock lever so that the first lock pawl engages with the protrusion and is prevented from coming out after passing, and the second lock pawl engages with the lock groove and is prevented from coming out; and the mounting mount. A locking device for an electronic device case, characterized by being equipped with a lock for locking a lock lever.