JP2601782Y2 - Operation knob mounting structure for electric equipment with detachable operation unit - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device, such as a car audio device, in which an operation unit is detachably attached to a main unit. In particular, the portability of the operation unit when the operation unit is removed from the main unit. The present invention relates to an operation knob mounting structure for an electric device including a detachable operation unit configured to improve the above.

[0002]

2. Description of the Related Art As a car audio device such as a car stereo, for example, as shown in FIG. 6, a plurality of parts including a volume 24 are formed on a wiring board 23 in a case 22 so as to form a desired circuit. An operation unit in which a plurality of operation buttons (not shown) are arranged so as to arbitrarily operate the operation functions of the main unit 21 with respect to the main unit 21 in which the operation functions of the device are built in by being mounted. A so-called DCP in which a box-shaped operation panel 30 is detachably attached to the recess 25 of the case 22 is known. The DCP is designed to prevent the car stereo from being stolen by removing the operation panel 30 from the main body 21 when the user leaves the vehicle.

[0003] As shown in FIG. 8, a shaft 2 is mounted on a volume 24 mounted on a wiring board 23 of a main body 21.
6 protrudes toward the operation panel 30, and this shaft 26
Around the joint 2 provided with a concave portion 32 at the tip
7 is fixed. An end of the joint 27 is exposed to a window 29 provided in the recess 25 of the case 22. On the other hand, as shown in FIG. 7, at a position facing the shaft 26 of the operation panel 30, an operation knob 28 provided with a protruding portion 33 at the tip is penetrated through a through hole 31 provided in advance, and a The stopper 34 is rotatably arranged by being locked in the hole 35. Then, as shown in FIG. 6, the operation panel 3 is inserted into the recess 25 of the main body 21.
0, the concave portion 32 at the tip of the joint 27
By operating the operation knob 28 from the operation panel 30 side by rotating the volume knob 2 by fitting the projection 33 at the tip of the operation knob 28 to the position.
4 is adjusted. When the user removes the operation panel 30 from the main body 21 to prevent theft, the user carries the operation panel 30 with the operation knob 28 attached integrally as shown in FIG.

[0004]

By the way, in the conventional operation knob mounting structure, when the operation panel 30 is detached from the main body 21 and carried, the operation knob 28 must be carried while being supported integrally. Therefore, there is a problem that portability is poor. That is, the operation panel 30
Since the operation knob 28 protrudes from the surface, a special case for protecting the operation knob 28 needs to be prepared, and it is necessary to carry the operation knob 28 stored in the special case.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and has been made for use in an electric apparatus having a detachable operation section for improving portability when the operation section is detached from a main body and carried. It is an object of the present invention to provide an operation knob mounting structure.

[0006]

In order to achieve the above object, according to the present invention, an operation unit for arbitrarily operating the operation function of the main unit is attached to and detached from a main unit in which the operation function of the apparatus is built. In an operation knob mounting structure for an electric device including a detachable operation unit configured to be attached so as to be capable of being attached, a shaft is protruded from a desired component attached to the main body toward the operation unit, and the operation unit is attached to the operation unit. A through-hole is provided through which an operation knob to be fitted to the tip of the shaft is penetrated, and the operation knob is biased by a spring so as to house the operation knob in the through-hole over substantially the entire length. By fitting the tip of the operation knob to the tip of the shaft when attached to the main body, the other end of the operation knob projects from the surface of the operation unit against the urging force of the spring. It is characterized in that the.

[0007]

The shaft protrudes from a desired component attached to the main body toward the operation unit, and a through hole is provided in the operation unit through which an operation knob fitted to the tip of the shaft is penetrated. The knob is biased by a spring so as to be housed in the through hole over substantially the entire length. This allows
By fitting the tip of the operation knob to the tip of the shaft when the operation unit is attached to the main body, the other end of the operation knob projects from the surface of the operation unit against the urging force of the spring. According to such a configuration, when the operation unit is detached from the main unit and carried, the operation knob is always built into the through hole of the operation unit over substantially the entire length by the urging force of the spring. Since it is not protruded from the surface, the portability of the operation unit can be improved.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a sectional view showing an embodiment of an operation knob mounting structure for an electric device having a detachable operation unit according to the present invention, and shows an example applied to an audio device such as a car stereo.
The main body 1 of the car stereo includes a wiring board 3 in a case 2.
A plurality of components including the volume 4 are mounted thereon so as to constitute a desired circuit, and the operation function of the device is built in. A concave portion 5 is formed at the end of the case 2. As shown in FIG. 3, a shaft 6 protrudes from a volume 4 mounted on the wiring board 3 of the main body 1 toward an operation panel 10 described later. The provided joint 7 is fixed. An end of the joint 7 is exposed to a window 9 provided in the recess 5 of the case 2.

On the other hand, as shown in FIG. 2, a box-shaped operation panel 10 as an operation unit on which a plurality of operation buttons and the like described later are arranged so as to arbitrarily operate the operation functions of the main unit 1 is provided. It is detachably attached to the recess 5 of the first case 2. A through hole 11 is provided in the operation panel 10 at a position facing the shaft 6, and is fitted into the recess 8 at the tip of the joint 7 fixed to the recess 8 at the tip of the shaft 6. An operation knob 12 having a protrusion 13 at the tip is penetrated. A stopper 14 is provided around the operation knob 12, and the stopper 14 and the operation panel 10 are provided.
A spring 16 that urges the operation knob 12 so as to be housed in the through-hole 11 over substantially the entire length L from the periphery is wound around the inner surface 15 on the front surface side. That is, when the operation panel 10 exists alone as shown in FIG. 2, the operation knob 12 has its entire length submerged in the through hole 11 by the urging force of the spring 16, and the operation knob 12 Does not protrude.

Here, as shown in FIG. 4, when the operation panel 10 is mounted in the recess 5 of the main body 1, the protrusion 13 at the tip of the operation knob 12 is fitted into the recess 8 at the tip of the joint 7. Although the position of the operation knob 12 is fixed by the combination, the operation panel 10 is further moved toward the main body 1 against the urging force of the spring 16.
The other end of 2 protrudes from the surface of operation panel 10 as shown in FIG. Thus, the volume 4 is configured to be operable. FIG. 5 is a perspective view showing the operation panel 10. The operation panel 10 is provided with the through hole 11 at one end, and further includes, for example, a bus / treble button hole 17, a preset button 18, and a display 19. There are holes, buttons, etc. necessary for various stereo operations such as.

According to this embodiment, when the operation panel 10 is detached from the main body 1, the operation knob 12 is moved over substantially the entire length L by the urging force of the spring 16, as shown in FIG. Therefore, it does not protrude from the surface of the operation panel 10 because it is sunk in the through hole 11. Therefore, a special case for protecting the operation knob as in the related art is not required. Instead, a simple protective case of a soft type can be used. Therefore, portability of the operation panel 10 as an operation unit can be improved. Also,
As a result, it is possible to use an operation knob that is longer than in the related art, so that operability can be improved. Further, since the mounting structure is simplified, the cost can be reduced.

In this embodiment, an example is described in which the present invention is applied to an audio apparatus such as a car stereo. However, the present invention is not limited to this. The present invention can be applied to electric devices in general, as long as the device is configured such that an operation unit for arbitrarily operating is detachably attached.

[0013]

According to the present invention, as described above, according to the present invention, a shaft is projected from a desired component attached to a main body toward an operation unit, and the operation is fitted to the operation unit at a tip of the shaft. A through-hole through which the knob is provided is provided, and the operating knob is biased by a spring so that the operating knob is housed in the through-hole over substantially the entire length. When operating, the operating knob is always housed in the through-hole of the operating portion over substantially the entire length by the biasing force of the spring and does not protrude from the surface of the operating portion, so that portability of the operating portion can be improved. it can.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing an embodiment of an operation knob mounting structure for an electric device having a detachable operation unit according to the present invention.

FIG. 2 is a cross-sectional view illustrating an operation panel used in the present embodiment.

FIG. 3 is a sectional view showing a main body used in the present embodiment.

FIG. 4 is a sectional view showing an intermediate stage when the operation panel is attached to the main body in the embodiment.

FIG. 5 is a perspective view showing an operation panel used in the embodiment.

FIG. 6 is a sectional view showing a conventional example.

FIG. 7 is a sectional view showing an operation panel used in a conventional example.

FIG. 8 is a sectional view showing a main body used in a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body part 4 Volume 5 Recess 6 Axis of volume 4 7 Joint 10 Operation panel (operation part) 11 Through hole of operation panel 10 12 Operation knob 16 Spring

Claims (2)

(57) [Scope of request for utility model registration] A detachable operation unit configured so that an operation unit for arbitrarily operating the operation function of the main unit is detachably attached to a main unit in which the operation function of the apparatus is incorporated. In the electric device operation knob mounting structure, the operation knob is biased by a spring so that the operation knob is housed in the operation unit over substantially the entire length thereof. Operation knob mounting structure for equipment. 2. A main unit in which operation functions of the apparatus are built.
On the other hand, an operation unit that arbitrarily operates the operation functions of this main unit
Detachable operation that is configured so that the
An operation knob mounting structure for an electric device having a working portion, wherein an operation knob for projecting a shaft from a desired component attached to the main body portion toward the operation portion and fitting the operation portion to a tip of the shaft is provided. through the through-hole was provided, Li O the tip of the operation knob when the attach said operating portion with respect to the main body portion to be fitted to the tip of the shaft, the scan flops and the other end of the operating knob An operation knob mounting structure for an electric device having a detachable operation portion, wherein the operation knob is mounted so as to protrude from the surface of the working portion against the urging force of the ring.