JPH0523421Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Summary] In order to prevent the in-vehicle wireless device from being inadvertently removed due to forgetting to lock the vehicle, the in-vehicle wireless device is mounted on a mounting base with a removal prevention mechanism. In such a mounting structure, a pressing metal fitting is installed inside the box body fixed to the mounting base, and the pressing metal fitting is configured to press and engage the wedge-shaped protrusion of the in-vehicle wireless device. To provide a mounting structure for a vehicle-mounted radio device that has a simple structure and is low in cost by disabling the operation of the vehicle.

[Industrial application field]

The present invention relates to an improvement in the mounting structure of an in-vehicle wireless device mounted on a vehicle.

In recent years, vehicles have been equipped with many in-vehicle wireless devices such as car stereos, car radios, car radios, and car phones.

Since such a vehicle-mounted wireless device may be removed if the vehicle is forgotten to be locked, the vehicle-mounted wireless device is installed in a structure that prevents it from being easily removed from the base of the vehicle or the like.

At this time, there is a strong demand for a structure that prevents removal of low-cost vehicle-mounted wireless devices.

[Conventional technology]

Fig. 5 is a side view of the conventional example, Fig. 6 is a perspective view of main parts of the conventional example, Fig. 7 is a sectional view of main parts of the conventional example, and Fig. 8 is a perspective view showing the conventional example in separated form. .

In FIG. 5, a mounting base 2 made of die-casting or the like is fixed to a desired location of a base 1, such as a trunk or a console box, with bolts 6 (see FIG. 7). This bolt 6
By attaching the vehicle-mounted wireless device 3 to the mounting base 2, the upper part of the vehicle-mounted wireless device 3 is covered with the vehicle-mounted wireless device 3, so that the bolt 6 cannot be removed from the outside.

The in-vehicle wireless device 3 has a wedge-shaped protrusion 4 on the rear side surface.
A wedge-shaped protrusion 5 is formed on the side surface of the front part, and the bottom surface is configured to be closely fixed to the upper plane of the mounting base 2. Further, the rear part of the mounting base 2 is provided with a wedge-shaped groove 2A into which the wedge-shaped protrusion 4 provided at the rear part of the vehicle-mounted wireless device 3 fits and engages, and the front part of the mounting base 2 is provided with a wedge-shaped groove 2A in which the wedge-shaped protrusion 4 provided at the rear of the vehicle-mounted wireless device 3 is fitted. It is constructed in the shape of a box with an open bottom in order to accommodate a mounting structure including a removal prevention mechanism corresponding to the wedge-shaped protrusion 5 provided at the bottom.

As shown in FIGS. 6 to 8, the mounting structure including the removal prevention mechanism is such that a mounting bracket 7 made of, for example, a steel plate is inserted into a box provided at the front of the mounting base 2 so as to face obliquely upward. It is fixed against the side wall. A screw hole 7a into which a fixing screw 10 is screwed is provided approximately at the center of the mounting bracket 7, and a screw hole 7b for a rotation stopper into which a rotation stopper pin 11 is screwed is provided at one corner of the lower part. .

On the other hand, the wedge-shaped protrusion 5 at the front of the in-vehicle wireless device 3 is
A concave portion 5a with an inclined bottom surface is provided in the center of the slope of the front downward slope, and the upper portion of a presser plate 9, which will be described later, is inserted into the concave portion 5a and pressed.

For example, the presser plate 9 made of a steel plate is formed such that its lower edge engages with the lower part of the mounting bracket 7, and the lower surface of its upper edge presses against the bottom surface of the recess 5a of the wedge-shaped protrusion 5.

The holding plate 9 is provided with a hole 9a through which the neck of the fixing screw 10 passes freely, corresponding to the screw hole 7a of the mounting bracket 7, and a hole 9a through which the rotation stopper pin 11 passes freely.
It is provided corresponding to the screw hole 7b for the rotation stopper pin.

A coil spring 8 is installed between the holding plate 9 and the mounting bracket 7.
The fixing screw 10 loosely passed through the hole 9a of the presser plate 9 is inserted into the internal space of the coil spring 8 and screwed into the screw hole 7a.

Since it is configured as described above, the fixing screw 10
When loosened, the elasticity of the coil spring 8 causes the presser plate 9 to open upward using the lower edge as a fulcrum. Then,
The wedge-shaped protrusion 4 at the rear of the in-vehicle wireless device 3 is attached to the mounting base 2.
When the front part of the in-vehicle wireless device 3 is lowered, the holding plate 9 is open so that it does not become an obstacle to the lowering of the wedge-shaped protrusion 5, and the in-vehicle wireless device 3 is The bottom comes into close contact with the fixed surface of the mounting base 2.

In this state, the insertion hole 14 in the front wall of the box and the hole 13 in the slide fitting 13 are aligned in the same straight line.
a. When a driver is inserted through the hole 12a of the guide plate 12 and the fixing screw 10 is screwed and tightened, the lower surface of the upper edge of the presser plate 9 is pressed against the slope of the wedge-shaped protrusion 5. That is, the in-vehicle wireless device 3 is fixed to the mounting base 2.

In order to prevent this fixing screw 10 from turning, a sixth
As shown in the figure, on the back of the front side wall of the box,
The guide plate 12 is layered and fixed so that the hole 12a corresponds to the insertion hole 14, and the slide fitting 13 is attached so as to be slidable left and right within the gap between the front wall and the guide plate 12.

This slide fitting 13 is provided with a hole 13a at a desired position, through which the try bar can pass freely.

On the other hand, a lock fitting 15 containing a key shaft is installed on the surface of the box. This key shaft can be rotated by inserting the key 17 into the key hole and rotating it.

A cam 16 is attached to the tip of the key shaft, and the operating surface of the cam 16 is in contact with the lateral end surface of the slide fitting 13. Further, a spring 18 is attached to the other side end of the slide fitting 13.
is constantly pressed toward the cam 16 side.

When the cam 16 is rotated with the key 17 and the slide fitting 13 is moved against the elasticity of the spring 18,
Insertion hole 14 on front wall of box, slide fitting 13
The hole 13a of the guide plate 12 and the hole 12a of the guide plate 12 are arranged in parallel on the same straight line.

When the key 17 is removed, the slide metal fitting 13 will release the spring 1.
The hole 13a returns to its original state due to the elasticity of the hole 14.
move to a different position.

As described above, if the key 17 is not used, the driver insertion hole is blocked and the fixing screw 10 cannot be screwed. That is, the above mounting structure includes a structure for preventing removal of the vehicle-mounted wireless device.

Note that when tightening the fixing screw 10, the presser plate 9 rotates, and the upper edge of the presser plate 9 touches the wedge-shaped protrusion 5.
This causes the in-vehicle wireless device 3 to become unfixed.
Therefore, the rotation stopper pin 11 is attached to the presser plate 9, and a recess 5a is provided in the wedge-shaped protrusion 5, and the presser plate 9 is attached.
is prevented from rotating.

[Problem that the invention attempts to solve]

However, the above-mentioned conventional mounting structure has problems in that the structure inside the box of the mounting base is complicated, has a large number of parts, and is expensive.

[Means for solving problems]

In order to achieve the above object, the present invention, as illustrated in FIG. When attaching the wedge-shaped protrusion 5 provided in the section to the mounting base 2, a screw hole 50 provided in a desired side surface of the mounting base 2 in the vicinity of the wedge-shaped protrusion 5, the press plate part 46 and the press plate part By having a threaded part 47 protruding from the lower part of 46, and screwing the threaded part 47 into the threaded hole 50 of the mounting base 2,
The pressing plate part 46 has a pressing metal fitting 45 that presses the upper slope of the wedge-shaped protrusion 5 of the in-vehicle radio device 3, and a mounting recess 41 that accommodates the pressing metal fitting 45 in the lower space and communicates with the lower space at the upper part. The box body 40 is fixed to a desired side surface of the mounting base 2 in a manner that cannot be removed when operated from the outside, and the press fitting 4 is inserted and engaged in the mounting recess 41 to prevent the press fitting 45 from twisting.
A lock fitting 3 covers the upper part of the box body 5 and can be removed from the box body 40 by releasing the engagement between the locking plate 31 provided at the lower part and the mounting recess 41 by operating the key 17.
0.

[Operation] According to the above-mentioned means of the present invention, the pressing metal fitting 45 is housed in the box body 40, and the head of the pressing metal fitting 45 is covered by the lock metal fitting 30 engaged with the box body 40. This lock metal fitting 30 cannot be removed from the box body 40 unless the key 17 is used. Therefore, no one other than the holder of the key 17 can operate the pressing metal fitting 45 to release the engagement between the pressing plate portion 46 and the wedge-shaped protrusion 5.

That is, the present invention provides a mounting structure for an in-vehicle radio device that has a removal prevention function, has a small number of parts, is simple in structure, and is low in cost.

〔Example〕

The present invention will be specifically explained below with reference to the illustrated embodiments. Note that the same reference numerals indicate the same objects throughout the figures.

Fig. 2 is a side view of one embodiment of the present invention, Fig. 3 is a perspective view of essential parts of one embodiment of the present invention, and Fig. 4 a and b.
1 and 2 are sectional views of essential parts of one embodiment of the present invention, respectively.

In FIGS. 2 and 3, a mounting base 2 is fixed with bolts 6 to a desired location on a base 1 such as a trunk or a console box of a vehicle. Mounting stand 2
Since the in-vehicle wireless device 3 is attached to the vehicle, and the upper part of the bolt 6 is covered by the in-vehicle wireless device 3, the bolt 6 cannot be removed from the outside.

The in-vehicle wireless device 3 has a wedge-shaped protrusion 4 on the rear side surface.
A wedge-shaped protrusion 5 is formed on the side surface of the front part, and the bottom surface is configured to be closely fixed to the upper plane of the mounting base 2. In addition, the rear part of the mounting base 2 is provided with a wedge-shaped groove 2A into which the wedge-shaped protrusion 4 provided at the rear of the in-vehicle wireless device 3 fits and engages, and the front side of the mounting base 2 is provided with a wedge-shaped groove 2A that corresponds to the wedge-shaped protrusion 5. The box body 40, which accommodates the press fitting 45 in the lower space, is fixed by screw means from the inside of the mounting base 2 so that it cannot be removed by operation on the outside.

A mounting recess 41 connected to the lower space is provided in the upper part of the box body 40, and the lock fitting 30 is embedded and engaged in the mounting recess 41.

The details of the box body 40 are as shown in Figure 4.
In the vicinity of the wedge-shaped protrusion 5, a screw hole 50 and a nut 51 having the same diameter as the screw hole 50 are welded concentrically to the screw hole 50 on the front side of the mounting base 2.

A pressing metal fitting 45 whose disk-shaped pressing plate portion 46 presses the upper slope of the wedge-shaped protrusion 5 protrudes downward from the center of the pressing plate portion 46 and has a screw hole 50 and a nut 51.
A head 48 is formed at the top of the pressing plate 46 and has a recess into which the tip of the wrench 32 engages.

At the upper part of the box body 40 fixed to the mounting base 2, so as to accommodate the press fitting 45 in the lower space,
Corresponding to the head portion 48 of the press fitting 45, there is provided a mounting recess 41 which communicates with the lower space and has a substantially elliptical shape in plan view.

A key shaft having a slit hole into which the key portion of the key 17 is inserted is inserted into the axis of the lock fitting 30 configured to be embedded and engaged in the mounting recess 41, and the key shaft is connected to the key shaft. A locking plate 31 is attached to the bottom surface of the lock fitting 30 so as to rotate with the rotation of the key shaft.

The shape of the locking plate 31 is an ellipse that is desirably smaller than the planar shape of the locking metal fitting 30, and is large enough to be covered by the bottom surface of the locking metal fitting 30 when parallel to the long axis of the locking metal fitting 30. be.

Therefore, the long axis of the locking plate 31 is
The lock fitting 30 can be inserted into the mounting recess 41 in a state parallel to the long axis of the lock fitting 30 . Then, while inserted into the mounting recess 41, operate the key 17 to approximately
When rotated 90 degrees, the long axis is perpendicular to the long axis of the lock fitting 30, so both ends of the locking plate 31 in the long axis direction are
It engages with the bottom surface of the mounting recess 41.

Since the configuration is as described above, in order to attach the in-vehicle wireless device 3 to the mounting base 2, the wedge-shaped protrusion 4 at the rear is required.
Insert into the wedge-shaped groove 2A (see Figure 2) of the mounting base 2,
It is engaged and placed on the upper part of the mounting base 2.

Then, as shown in FIG. 4a, the wrench 32 is inserted into the mounting recess 41, its tip is engaged with the head 48, and rotated as desired to screw the threaded part 47 into the screw hole 50 and the nut 51. Combine and move forward. Due to this,
The lower surface of the pressing plate portion 46 presses the front slope of the wedge-shaped protrusion 5 to lock the in-vehicle wireless device 3 to the mounting base 2.

Thereafter, as shown in FIG. 4b, the wrench 32 is removed, the key 17 is inserted into the slit hole, the lock fitting 30 is held, and the lock fitting 30 is inserted into the mounting recess 41.
Insert into. Then, the key 17 is rotated approximately 90 degrees to engage the locking plate 31 with the bottom surface of the mounting recess 41. Therefore, the pressing metal fitting 45 is accommodated in the box body 40, and the head of the pressing metal fitting 45 is covered with the locking metal fitting 30 that is engaged with the mounting recess 41 of the box body 40.

Therefore, the lock fitting 30 cannot be removed from the mounting recess 41 unless the key 17 is used. That is, since no one other than the holder of the key 17 can operate the press fitting 45 to release the engagement between the press plate part 46 and the wedge-shaped protrusion 5, the in-vehicle wireless device 3 may be inadvertently removed. There is no fear of

[Effect of idea]

As explained above, the present invention has a configuration in which a pressing metal fitting is installed inside the box body fixed to the mounting base, and the pressing metal fitting presses and locks the wedge-shaped protrusion of the in-vehicle wireless device. It has a structure in which the pressing metal fitting cannot be operated, which prevents the in-vehicle wireless device from being removed carelessly, and has excellent practical effects such as a simple structure and low cost.

[Brief explanation of drawings]

Figure 1 is a diagram showing the principle of the present invention, where a is a cross-sectional view of the in-vehicle wireless device before installation, b is a cross-sectional view after installation, Figure 2 is a side view of one embodiment of the present invention, and Figure 3 is the main body of the present invention. FIG. 4 a and b are sectional views of essential parts of an embodiment of the invention, FIG. 5 is a side view of the conventional example, and FIG. 6 is a main part of the conventional example. Part perspective view,
FIG. 7 is a sectional view of a main part of the conventional example, and FIG. 8 is a perspective view showing the conventional example in separated form. In the figure, 1 is a base, 2 is a mounting base, 2A is a wedge-shaped groove, 3 is an in-vehicle wireless device, 4 and 5 are wedge-shaped protrusions, and 6
is a bolt, 7 is a mounting bracket, 9 is a holding plate, 13 is a slide bracket, 17 is a key, 15 and 30 are lock brackets,
31 is a locking plate, 40 is a box body, 41 is a mounting recess, 45 is a press fitting, 46 is a press plate portion, 47 is a screw portion, 48 is a head, and 50 is a screw hole.

Claims (1)

[Claims for Utility Model Registration] The wedge-shaped protrusion provided on one side of the in-vehicle wireless device 3 is fitted into the wedge-shaped groove of the mounting base 2, and the wedge-shaped protrusion 5 provided on the other side is inserted into the wedge-shaped groove of the mounting base. 2, the mounting means includes: a screw hole 50 provided in a desired side surface of the mounting base 2 near the wedge-shaped protrusion 5; a screw hole 50 provided in a desired side surface of the mounting base 2; a pressing metal fitting 45 having a portion 47, and by screwing the threaded portion 47 into the screw hole 50, the pressing plate portion 46 presses the upper slope of the wedge-shaped protrusion 5 of the in-vehicle wireless device 3; The press fitting 45 is accommodated in the lower space, and the upper part has a mounting recess 41 that communicates with the lower space.
A box body 40 is fixed to a desired side surface of the mounting base 2 in a manner that cannot be removed when operated from the outside, and a box body 40 is inserted and engaged in the mounting recess 41 to prevent the pressing fitting 45 from spiraling. The upper part of the metal fitting 45 is covered, and by operating the key 17, the engagement between the locking plate 31 and the mounting recess 41 is released, and the box body 4 is released.
1. A mounting structure for an in-vehicle wireless device, characterized by comprising a locking fitting 30 that can be removed from the 0.