JP6746392B2 - Switch device with cover - Google Patents

Description

The embodiment of the present invention relates to a switch device with a cover capable of preventing an illegal operation or an erroneous operation of a switch.

For example, a push button switch is used to set the operation of an amusement device (see, for example, Patent Document 1). The operator of the push button switch is exposed from the switch body. Therefore, the operator may be operated carelessly or illegally.

JP, 2003-257271, A

In order to prevent erroneous operation and erroneous operation of the switch, a cover provided on the switch body and covering the operator has been developed.

This type of cover is fixed by thermal caulking using a means such as ultrasonic welding in a state in which a frame body made of resin, for example, which is openable and closable, is attached to the switch main body. .. This thermal caulking has a large number of manufacturing steps, and further, sufficient fixing strength cannot be obtained.

Embodiments of the present invention provide a switch device with a cover that can easily and easily attach a cover to a switch body.

In the switch device with a cover of the present embodiment, an operator for operating the switch mechanism is arranged on the first surface, a second surface orthogonal to the first surface, and a third surface parallel to the second surface. A switch main body in which a first engaging portion having elasticity is arranged on a surface of the switch, and an openable/closable cover for covering the operator, and the first engaging portion in a state of being attached to the switch main body. A frame having a second engaging portion engaged with the switch main body, the switch main body having a metal cover for covering the first surface, and the first engaging portion It is composed of a part of a metal cover .

The perspective view showing the switch device with a cover concerning this embodiment. The perspective view which shows the state which opened the cover of the switch device with a cover shown in FIG. The perspective view which decomposes|disassembles and shows FIG. The perspective view which decomposes|disassembles and shows FIG. 3 further. Sectional drawing shown along the line VV in FIG. Sectional drawing which expands and shows the C section of FIG.

Hereinafter, embodiments will be described with reference to the drawings.

In the drawings, the same parts are designated by the same reference numerals.

(Constitution)
As shown in FIGS. 1 and 2, the switch device with a cover 10 includes a switch body 11 shown in FIG. 2 and a protective cover 12 mounted on the switch body 11. The protective cover 12 includes a frame body 13, a cover 14, and a coil spring as an elastic member, for example, a torsion spring 15.

The cover 14 is made of, for example, a thermoplastic resin, and one end of the cover 14 is attached to the frame body 13 so as to be rotatable in the directions of arrows A and B in the drawing. The cover 14 is constantly urged by a torsion spring 15 provided at one end of the frame 13 in the closing direction (the direction of arrow A in the figure).

As shown in FIG. 2, the cover 14 can be rotated by 180° with respect to the frame body 13, and the switch body 11 can be operated with the cover 14 opened. There is.

As shown in FIG. 3, the switch body 11 is, for example, a push button switch (tactal switch). The switch body 11 includes a housing 16, for example, a metal cover 17, an operator 18 as a push button, a plurality of terminals 19a, 19b, 19c, 19d (19d is shown in FIG. 5) and the like. The cover 17 covers the housing 16, and a switch mechanism described later is accommodated in the housing 16. The switch mechanism is operated by the operator 18.

The switch body 11 includes a first surface (a surface of the cover 17) 11a, a second surface 11b orthogonal to the first surface 11a, a third surface 11c, a fourth surface 11d, and a fifth surface 11e ( It has four side surfaces of the housing 16) and a sixth surface 11f (lower surface of the housing 16) parallel to the first surface. The second surface 11b is parallel to the third surface 11c, the fourth surface 11d is parallel to the fifth surface 11e, and the sixth surface 11f is parallel to the first surface 11a.

A cover 17 made of metal is provided on the first surface 11 a, and an operator 18 is arranged at the center of the cover 17. The protective cover 12 is attached to the first surface 11 a of the switch body 11 and covers the operating element 18. As shown in FIGS. 1, 2, and 3, the terminals 19a and 19b are provided on the fourth surface 11d of the switch body 11, and the terminals 19c and 19d (not shown) are provided on the fifth surface 11e. Has been.

As shown in FIG. 4, the housing 16 has a housing portion 16a. The first fixed contact 20, the second fixed contact 21, the third fixed contact 22, the contact 23 as a movable contact piece, the seal rubber 24, the spacer 25, and the manipulator forming the switch mechanism SW are housed in the housing portion 16a. 18 are arranged.

That is, the first fixed contact 20 is provided at the bottom and center of the accommodating portion 16a, and the second fixed contact is provided at the bottom of the accommodating portion 16a and near the fourth surface 11d and the fifth surface 11e. 21 and a third fixed contact 22 are provided. The first fixed contact 20 is connected to, for example, the terminals 19b and 19c, and the second and third fixed contacts 21 and 22 are connected to, for example, the terminals 19a and 19d.

The contact 23 is made of, for example, a dome-shaped conductive metal, and in the state of being accommodated in the accommodating portion 16a, a part of the periphery is in contact with the second and third fixed contacts 21 and 22, and the central portion is It is separated from the first fixed contact 20 by a predetermined distance.

As shown in FIGS. 4 and 5, the seal rubber 24 is placed on the contact 23, and the ring-shaped spacer 25 is placed on the peripheral edge of the seal rubber 24. The operator 18 is placed on the seal rubber 24 in the spacer 25. The operator 18 has a protrusion 18a at the center of the bottom. The protrusion 18 a is arranged on the central portion of the contact 23 via the seal rubber 24.

In the switch mechanism SW, when the operator 18 is pushed, the central portion of the contact 23 is pushed down against the elasticity of the contact 23 by the protrusion 18 a, and the switch mechanism SW comes into contact with the first fixed contact 20. Therefore, the first fixed contact 20 is electrically connected to the second and third fixed contacts 21 and 22, and the switch is turned on. Moreover, when the contact 23 is bent, a click occurs. When the pressing force applied to the operator 18 is released from this state, the contact 23 returns to the original dome shape due to its elasticity. Therefore, the contact 23 is brought into a non-contact state with the first fixed contact 20, and the switch returns to the off state.

The metal cover 17 has an opening 17a in the center through which the operator 18 can be inserted. As shown in FIGS. 3 and 4, a plurality of engagement portions for fixing the cover 17 to the housing 16 are provided on the sides of the cover 17 on the second surface 11b side and the third surface 11c side of the switch body 11. 17b, 17c, 17d and 17e are provided. These engaging portions 17b, 17c, 17d, 17e are engageable with a plurality of claw portions 16b, 16c (16b, 16c are not shown), 16d, 16e provided in the housing 16, respectively.

Further, the cover 17 has first engaging portions 17f and 17g for attaching the protective cover 12 to the switch body 11 as shown in FIG. As shown in FIGS. 3 and 5, the first engaging portion 17f is provided between the engaging portions 17b and 17c, and the first engaging portion 17g is provided between the engaging portions 17d and 17e. Has been. The first engaging portions 17f and 17g are bent so that their tips are separated from the second surface 11b and the third surface 11c of the housing 16, and have elasticity.

As shown in FIGS. 4 and 5, the frame body 13 of the protective cover 12 has an accommodating portion 13a capable of accommodating the switch body 11, and the first engaging portions 17f and 17g are engaged with the inner wall of the accommodating portion 13a. It has protrusions 13b and 13c as second mating portions that can be fitted together.

Further, the frame body 13 of the protective cover 12 is provided with third engaging portions 13d, 13e, 13f, 13g at four corners of the accommodating portion 13a, which can come into contact with the four corners of the first surface 11a of the switch body 11. Has been.

In the above structure, as shown in FIG. 3, the switch body 11 and the protective cover 12 are separately assembled. Then, the assembled protective cover 12 is attached to the assembled switch body 11. That is, the protective cover 12 is attached to the switch body 11 from the first surface 11a side of the switch body 11.

Specifically, as shown in FIGS. 5 and 6, the switch body 11 is housed in the housing portion 13 a of the frame body 13 of the protective cover 12. At this time, the protrusions 13b and 13c as the second engaging portions provided on the inner wall of the frame 13 advance against the elasticity of the first engaging portions 17f and 17g, and the protrusions 13b and 13c move to the first engaging portions 17f and 17g. When the tips of the first engaging portions 17f and 17g are crossed, the first engaging portions 17f and 17g return to their original shapes, and as shown in FIGS. 5 and 6, the first engaging portions 17f and 17g The tip of 17g is engaged with the protrusions 13b and 13c. Therefore, the protective cover 12 is fixed to the switch body 11. At this time, the four corners of the first surface 11 a of the switch body 11 are brought into contact with the third engaging portions 13 d, 13 e, 13 f, 13 g provided at the four corners of the frame body 13. Therefore, the protective cover 12 is fixed to the switch body 11 without rattling.

According to the above-described embodiment, the switch body 11 has the elastic first engaging portions 17f and 17g, and the frame body 13 of the protective cover 12 can be engaged with the first engaging portions 17f and 17g. The projections 13b and 13c as the second engaging portions are provided, and the projections 13b and 13c of the protection cover 12 are engaged with the first engagement of the switch body 11 only by fitting the protection cover 12 into the switch body 11. The protective cover 12 can be fixed to the switch body 11 by engaging the portions 17f and 17g. Therefore, the equipment cost can be reduced as compared with the case of thermal caulking, and the assembling is easy, so that the number of assembling steps can be reduced.

Further, since the operator 18 of the switch main body 11 is covered with the protective cover 12, erroneous operation and illegitimate operation using wire etc. are prevented when the switch device with cover 10 is mounted on the board of the amusement device. It is possible to

Moreover, since the metal first engaging portions 17f and 17g of the switch body 11 are engaged with the protrusions 13b and 13c of the protective cover 12, the protective cover 12 has sufficient strength as compared with the case of thermal caulking. Can be fixed to the switch body 11. Therefore, it is possible to prevent the protective cover 12 from easily falling off the switch body 11. Therefore, it is difficult to remove the protective cover 12 using a wire or the like when the switch device 10 with a cover is mounted on the board of the amusement device, and it is possible to prevent an unauthorized operation.

Furthermore, the third engaging portions 13d, 13e, 13f, 13g provided at the four corners of the housing portion 13a provided in the frame body 13 of the protective cover 12 are in a state in which the protective cover 12 is attached to the switch body 11. In, the abutment is made on the four corners of the first surface 11 a of the switch body 11. Therefore, the protection cover 12 can be prevented from rattling with respect to the switch body 11, and the protection cover 12 can be fixed to the switch body 11 with sufficient strength.

The first engaging portions 17f and 17g are provided on a second surface 11b that intersects the first surface 11a of the switch body 11 and a third surface 11c that is parallel to the second surface 11b. The protrusions 13 b and 13 c as the engaging portions of the second cover 2 are provided on the inner wall of the frame body 13 of the protective cover 12. Therefore, for example, after mounting only the switch main body 11 on the substrate, the protective cover 12 can be attached to the switch main body 11 simply by fitting the protective cover 12 into the switch main body 11.

Therefore, for example, after mounting only the switch body 11 on the substrate, the substrate can be washed, and then the protective cover 12 can be attached to the switch body 11. In this way, by mounting the protective cover 12 on the switch body 11 after cleaning the substrate, it is possible to prevent inconveniences such as the cleaning agent remaining in the protective cover 12.

The first engaging portions 17f and 17g are provided integrally with the cover 17 and are parallel to the second surface 11b and the second surface 11b that is orthogonal to the first surface 11a of the switch body 11. No. 3 surface 11c. However, the present invention is not limited to this, and for example, the second surface 11b and the third surface 11c of the housing 16 are provided with, for example, recesses as first engaging portions, and the inner wall of the frame body 13 of the protective cover 12 is provided. Alternatively, a protrusion may be provided as a second engaging portion that is engageable with the recess.

Further, although the third engaging portions 13d, 13e, 13f, 13g are provided at the four corners of the frame body 13, the present invention is not limited to this, and may be provided at least at two opposite corners.

In addition, the present invention is not limited to the above-described embodiments as they are, and can be embodied by modifying the constituent elements within a range not departing from the gist of the present invention at the implementation stage. Further, various inventions can be formed by appropriately combining a plurality of constituent elements disclosed in the above-described embodiments. For example, some components may be deleted from all the components shown in the embodiment. Furthermore, the constituent elements of the embodiments may be combined as appropriate.

10... Switch device with cover, 11... Switch main body, 12... Protective cover, 13... Frame body, 14... Cover, 17... Metal cover, 17f, 17g... 1st engaging part, 13b, 13c... Projection part (Second engaging portion), 13d, 13e, 13f, 13g... Third engaging portion, 18... Operator, SW... Switch mechanism.

Claims (3)

An operator for operating the switch mechanism is disposed on the first surface, and a first surface having elasticity on a second surface orthogonal to the first surface and a third surface parallel to the second surface. The switch body where the joint is arranged,
A frame body having a cover that can be opened and closed to cover the operation element, and has a second engagement portion that is engaged with the first engagement portion when mounted on the switch body ; The switch main body has a metal cover that covers the first surface, and the first engaging portion is configured by a part of the metal cover. .. The said frame has an accommodating part which can accommodate the said switch main body, The said 2nd engaging part is a protrusion provided in the inner wall of the said accommodating part, The claim 1 characterized by the above-mentioned. Switch device with cover. The switch device with a cover according to claim 2, further comprising: at least two third engaging portions provided on the frame body and engageable with the first surface of the switch body.

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