JPH067544Y2 - Mounting structure of button member on front plate - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Industrial Field of the Invention The present invention relates to a structure for attaching a button member to a front panel of the electronic device such as a radio receiver and a magnetic tape reproducing device, which is suitably implemented.

2. Description of the Related Art In particular, in an electronic device mounted on a car, various operation switches are arranged in a limited front panel space. Therefore, even if the models are different, the arrangement and shape of the operation switches are similar. There are many. Therefore, the difference in shape between the models may be manifested only by adding a switch corresponding to a certain function, for example.

That is, the switch 3 provided on the front panel 2 of the electronic device 1 shown in FIG. 7 (1) is the same as the switch 3 in each of the electronic devices 1a and 1b shown in FIG. 7 (2) and FIG. 7 (3). Not equipped.

In this case, nothing is formed at the position of the switch 3 on the front panel 2a of the electronic device 1a shown in FIG. 7 (2), and therefore the front panel 2a is different from the front panel 2. It is molded using the mold. On the other hand, on the front panel 2b of the electronic device 1b shown in FIG. 7 (3), the pseudo button 4 is embedded at the position of the switch 3, and by using the pseudo button 4, The front panel 2b can be formed by the same mold as the front panel 2. Thus, the cost is reduced by using the common mold.

Problems to be Solved by the Invention In the electronic device 1a according to the related art as described above, the electronic device 1
Since the front panel 2a is molded using a mold different from the above, the cost becomes high. Further, although the same mold as that of the electronic device 1 can be used in the electronic device 1b, a pseudo button 4 is embedded at a position of the switch 3 of the electronic device 1 by screwing or bonding. Therefore, as shown in FIG. 8, like the operable button 5, the pseudo button 4
Protrude from the surface of the front panel 2b. For this reason, the operator may make an erroneous operation.

An object of the present invention is to reduce costs by using common parts for a button member that is operated and a pseudo button member that is not operated, and to prevent erroneous operation and improve operability. It is to provide a mounting structure of a button member to a front plate that can be performed.

Means for Solving the Problems The present invention provides a structure for mounting a button member in a mounting hole formed in a front plate, wherein the button member has an edge portion formed larger than the mounting hole of the front plate, and the edge portion. With respect to a non-point-symmetrical position with respect to each other, an engaging piece extending outward from each other, and an operating piece that is formed to extend to one side of the edge portion and is connected to the edge portion. In the portion, a plurality of mounting pieces are erected at positions corresponding to the engaging pieces, and the height of the operating piece in the protruding direction is set so that the button member is at an angular displacement position where the engaging pieces do not engage with the mounting pieces. Installed in the mounting hole,
The length protruding in the front side of the front plate is selected, and the protruding direction height of the mounting piece is such that when the button member is mounted in the mounting hole at an angular displacement position where the engaging piece engages with the mounting piece, In the attachment structure of the button member to the front plate, the button member is selected so as to be located on the rear side of the front plate with respect to the protruding position.

According to the present invention, the button member has the edge portion formed to be larger than the mounting hole of the front plate, the engagement piece extending outward from each of the asymmetric points with respect to the edge portion, and the edge portion connected to the edge portion. And an operation piece formed so as to project to one side. Further, a plurality of mounting pieces are erected on the peripheral portion of the mounting hole on the rear side of the front plate at positions corresponding to the engaging pieces.

Therefore, when the button member is mounted in the mounting hole so that the engaging piece is in the angular displacement position where it does not engage the mounting piece, the edge of the button member abuts the peripheral edge of the mounting hole, and the operation piece is mounted on the front plate. Protruding from the hole. On the other hand, when the button member is mounted in the mounting hole so that the engaging piece is at the angular displacement position where the engaging piece engages with the mounting piece, the edge portion of the button member contacts the mounting piece.

That is, when the button member is mounted so that the engaging piece is at the angular displacement position where it does not engage the mounting piece, the protruding height of the operating piece to the front side of the front plate is the protruding height from the edge of the operating piece. Therefore, the value obtained by subtracting the thickness of the front plate near the mounting hole becomes
On the other hand, when the button member is mounted in the mounting hole so that the engaging piece is at the angular displacement position where it engages with the mounting piece, the protruding height of the button member is from the protruding height from the edge of the operating piece. It is a value obtained by subtracting the thickness of the front plate and the height of the engaging piece.

Therefore, by mounting the button member so that the engaging piece is at the angular displacement position where it does not engage the mounting piece, the operating piece projects from the front plate, and the button member can be operated with good operability. Also, by mounting the button member so that the engaging piece is at the angular displacement position where it engages with the mounting piece, the protrusion height of the operating piece is the same as when the engaging piece is mounted so as not to engage with the mounting piece. It is possible to make the size smaller than that, and it is possible to prevent erroneous operation and the like.

Thus, by using the front plate and the button member formed by the common mold, it is possible to adjust the protruding height of the button member depending on whether or not the button member functions, and the cost can be reduced by sharing the parts. be able to. In addition, erroneous operation can be prevented and operability can be improved.

Embodiment FIG. 1 is an exploded perspective view of a button device 11 according to an embodiment of the present invention, FIG. 2 is a sectional view showing a state in which the button device 11 is assembled, and FIG. 3 shows the button device 11. It is a rear view of the assembled state. The button member 12 of the button device 11 is fitted into a mounting hole 14 formed in a front plate 13 of an electronic device such as a radio receiver or a magnetic tape reproducing device, and is a wiring board arranged behind the front plate 13. The actuator 17 of the switch 16 attached to 15 or the like is pressed and displaced to realize the switch operation.

The button member 12 includes an edge portion 21 formed to be larger than the attachment hole 14, an operation piece 22 formed to project from the edge portion 21 to the front side, and inserted through the attachment hole 14, and the edge portion 21. It is configured to include a plurality of engaging pieces 23, 24 formed to extend outward from a position that is not point-symmetrical. Insertion holes 25 and 26 are formed in the engaging pieces 23 and 24, respectively, and a pressing piece 27 that presses the actuator 17 of the switch 16 is provided in the operation piece 22 formed to project from the edge portion 21. It is formed. The pressing piece 27 may be formed on the operation piece 22 as described above, or may be formed solid.

On the inner surface 13a of the front plate 13, the mounting pieces 31 and 32 are erected at non-point symmetrical positions on the peripheral edge of the mounting hole 14 corresponding to the engaging pieces 23 and 24 of the button member 12. Set up. The outer diameters of the mounting pieces 31, 32 are the same as the engaging pieces 23, 2
4 is formed larger than the inner diameters of the insertion holes 25 and 26 formed in 4, and the screw holes 33 and 26 are formed in the mounting pieces 31 and 32.
34 is formed.

In the button device 11 configured as described above, when the switch operation is realized by the button device 11, the switch 16 is arranged behind the button member 12 as described above, and the button member 12 is the button Engaging pieces 23, 24 of the member 12
At an angular displacement position where the mounting pieces 31 and 32 do not engage with each other,
It is mounted in the mounting hole 14.

As a result, the button member 12 is elastically biased by the actuator 17 of the switch 16 toward the front side of the front plate 13, that is, the side opposite to the pressing operation direction of the button member 12 indicated by the arrow 35, and the edge The portion 21 is held in contact with the peripheral portion of the mounting hole 14. By pressing and displacing the operating piece 22 of the button member 12 in the direction of the arrow 35, the pressing piece 27 presses and displaces the actuator 17 of the switch 16 to realize the switch operation, and when the pressing force is released, the actuator 17 is released. The button member 12 is returned to the state before the pressing operation by the elastic force of.

Further, the front plate 13 of the pressing piece 27 in a state where the pressing operation is not performed.
When the protrusion height from the edge portion 21 of the operation piece 22 is D2 and the plate thickness of the front plate 13 is D3, the protrusion height D1 from is D1 = D2-D3 (1).

On the other hand, when the button member 12 is not used for the switch operation as described above, that is, when it is used as a pseudo button, as shown in FIGS.
2 is angularly displaced 180 degrees around the axis l1, and the mounting hole 14
Mounted inside. At this time, the engagement piece 23 and the attachment piece 32 are engaged with each other, the engagement piece 24 and the attachment piece 31 are engaged with each other, and the engagement pieces 23 and 24 are in contact with the attachment pieces 31 and 32, respectively. Become. In this state, insert the through holes 25 and 26 into screws 3
7, 38 are respectively inserted and screwed into the screw holes 34, 33. In this way, the button member 12 is embedded and fixed in the mounting hole 14.

Further, the protrusion height D1 of the operating piece 22 from the front plate 13 at this time is D2, the protruding height of the operating piece 22 from the edge portion 21 and the plate thickness of the front plate 13 are D3, as described above. When the height of the mounting pieces 31 and 32 is D4, D1 = D2-D3-D4 (2)

When the button member 12 is not used as a switch, it may be screwed by the screws 37 and 38 as described above, or the insertion holes 25 and 26 and the screw hole 3 may be screwed.
The tips of the attachment pieces 31 and 32 and the portions of the engagement pieces 23 and 24 that abut on the attachment pieces 31 and 32 may be fixed by adhesion or the like without forming the portions 3 and 34.

Further, the arrangement of the engagement pieces 23, 24 and the mounting pieces 31, 32 is
As described above, the button member 12 is placed 180 around the axis l1.
The button member 12 may be configured to be engaged or released in an angle-displaced state, or the edge portion 21 of the button member 12 may be formed in a square or a circular shape, for example, 90 degrees or other. May be engaged or disengaged at an angle of.

As described above, in the button device 11 according to the present invention, whether or not the switch operation is performed is determined by angularly displacing the button member 12 around the axis l1, so that the switch operation is performed regardless of whether the switch operation is performed. Since the button member 12 and the front plate 13 can be formed by a common mold, the cost can be reduced. Further, when the button device 11 is used as a pseudo button, the operation piece 22 is arranged rearward as compared with the case where it is used as a switch as described above, so that it is possible to prevent erroneous operation and improve operability. it can.

As described above, according to the present invention, a plurality of engaging pieces are formed on the button member at positions that are not point-symmetrical, and a plurality of engaging pieces are provided on the periphery of the mounting hole at positions corresponding to the engaging pieces. The mounting member is erected, and when the button member functions, the button member is mounted in the mounting hole so that the engaging piece is in an angular displacement position where it does not engage with the mounting member. Since the button member is mounted in the mounting hole so as to be in the angular displacement position where it engages with the mounting piece, the protruding height can be adjusted depending on whether or not the button member functions. Therefore, the cost can be reduced by sharing the parts. In addition, erroneous operation can be prevented and operability can be improved.

[Brief description of drawings]

FIG. 1 is an exploded perspective view when the button device 11 of one embodiment of the present invention is used as a switch, and FIG. 2 is a sectional view showing an assembled state of the button device 11 when used as a switch. 3 is a rear view of FIG. 2, FIG. 4 is an exploded perspective view when the button device 11 is used as a pseudo button, and FIG. 5 is an assembled state of the button device 11 when it is used as a pseudo button. Sectional drawing shown in FIG. 6, FIG. 6 is a rear view of FIG. 5, FIG. 7 is a front view of electronic devices 1, 1a and 1b for explaining the conventional technique, and FIG. 8 is a sectional view of FIG. 7 (3). FIG. 8 is a sectional view taken along line VIII-VIII. 11 ... Button device, 12 ... Button member, 13 ... Front plate, 14 ... Mounting hole, 16 ... Switch, 21 ... Edge, 22 ... Operation piece, 2
3, 24 ... Engaging piece, 27 ... Pressing piece, 31, 32 ... Mounting piece

Claims (1)

[Scope of utility model registration request] 1. A structure in which a button member is mounted in a mounting hole formed in a front plate, wherein the button member has an edge portion formed to be larger than the mounting hole of the front plate and a position which is point-symmetrical with respect to the edge portion. An engaging piece extending outward from each of the engaging portions, and an operating piece connected to the edge portion and projecting to one side of the edge portion. A plurality of mounting pieces are erected at positions corresponding to the joint pieces, and the height of the operation piece in the protruding direction is such that the button member is mounted in the mounting hole at an angular displacement position where the engaging piece does not engage with the mounting piece. When
The length protruding in the front side of the front plate is selected, and the protruding direction height of the mounting piece is such that when the button member is mounted in the mounting hole at an angular displacement position where the engaging piece engages with the mounting piece, A structure for mounting a button member on a front plate, wherein the button member is selected to a position closer to the rear side of the front plate than the protruding position.