JP2013168234A - Waterproof type slide switch device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide sufficient waterproofness to a waterproof type slide switch device of a portable phone.SOLUTION: A knob member 21 is provided at an operation part housing 1 so as to move in left and right directions. A push button, composed of a push button body 34 and a seal member 35 provided on a surface of the push button body 34, is waterproofed and inserted into a through hole 32 of an inner case 31 provided at the inner side of the operation part housing 1. In this case, the knob member 21 is separated from the sealing member 35. Thus, even if the knob member 21 is moved in right and left directions, the movements do not affect the waterproof structure formed by the seal member 35 and consequently sufficient waterproofness is achieved.

Description

  The present invention relates to a waterproof slide switch device.

  For example, some mobile phones include a waterproof slide switch device (see, for example, Patent Document 1). In the waterproof slide switch device described in Patent Document 1, a knob is slidably disposed in a groove provided on the outer surface of the case. A drive arm provided on the inner surface of the knob is inserted into the case through a through hole provided in the case, and is connected to a switch switching member of a slide switch provided in the case. The knob is pressed against the bottom surface of the groove of the case by the force of a spring provided in the case, thereby waterproofing.

JP-A-9-92083

  However, in the above conventional waterproof slide switch device, the knob is merely pressed against the bottom surface of the groove of the case by the spring force provided in the case. There is a possibility that it cannot be sufficiently pressed against the bottom surface of the glass, and there is a problem that it cannot be said that the waterproofness is sufficient.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a waterproof slide switch device that can be sufficiently waterproof.

  The waterproof slide switch device according to the present invention includes a case having a through hole, a knob member slidably provided in and outside the through hole of the case, and facing the knob member inside the case. When the knob member is at one position in the sliding direction, the knob member is pressed to turn on, and when the knob member is at another position in the sliding direction, the pressing by the knob member is released. And a waterproof push button switch that is turned off.

  According to this invention, the waterproof property can be sufficient.

The top view of the mobile telephone provided with the waterproof slide switch apparatus as one Embodiment of this invention. The left view of FIG. FIG. 3 is a partial cross-sectional view taken along line III-III in FIG. 2.

  FIG. 1 is a plan view of a mobile phone provided with a waterproof slide switch device as one embodiment of the present invention, and FIG. 2 is a left side view of FIG. This cellular phone includes an operation unit casing (case) 1. The operation unit housing 1 is divided into a first case 1a and a second case 1b in the thickness direction, and the first case 1a and the second case 1b are coupled to each other. The reason why the operation unit housing 1 is divided into the first case 1a and the second case 1b in the thickness direction will be described later. A display unit housing 3 is rotatably attached to the hinge unit 2 of the operation unit housing 1. A knob 22 of a waterproof slide switch device 4 as an embodiment of the present invention is provided at a predetermined position on the left side surface of the operation unit housing 1 so as to be slidable in the left-right direction in FIG.

  Next, FIG. 3 shows a sectional view of a part (part of the waterproof slide switch device 4) along the line III-III in FIG. In a predetermined portion of the end surface joined to the second case 1b of the first case 1a of the operation unit housing 1, there is a substantially cross-shaped groove, that is, the thickness direction of the end surface portion (vertical direction in FIG. 3). A through groove 11 penetrating through the guide groove 12 and guide grooves 12 and 13 extending in the left-right direction from the central portion of the through groove 11 are provided. Protrusions 14 and 15 having a semicircular cross section are provided at predetermined positions on the inner wall surface (the top side in FIG. 3) of the guide grooves 12 and 13.

  Here, although not shown in the drawing, in a predetermined portion of the end surface joined to the first case 1a of the second case 1b of the operation unit casing 1, a through groove, as in the first case 1a, Guide grooves and protrusions are provided. In a state where the first case 1a and the second case 1b are coupled, the knob member 21 described later is inserted through the through groove 11 of the first case 1a and the through groove of the second case 1b. For this purpose, a through hole is formed.

  A knob member 21 is provided in the through groove 11 of the first case 1a, the outside thereof and the guide grooves 12, 13 and the through groove, the outside and the guide groove of the second case 1b. The knob member 21 is provided with a plate-like portion 23 at the center of the inner surface of the knob 22 having a substantially rectangular side surface, and arm portions 24, 25 are provided on both the left and right sides of the substantially central portion of the plate-like portion 23. The protrusions 26 and 27 having a semicircular cross section are provided on the inner surface of the front end portion of 25, and the protrusion 28 having a semicircular cross section is provided on the right side of the front end surface of the plate-like portion 23.

  The knob 22 is provided on the outer surface of the operation unit housing 1 so as to be slidable in the left-right direction. The plate-like portion 23 is inserted in a through hole formed of the through groove 11 of the first case 1a and the through groove of the second case 1b so as to be movable in the left-right direction. The arm portions 24 and 25 are respectively provided in the guide grooves 12 and 13 of the first case 1a and the guide grooves of the second case 1b so as to be movable in the left-right direction. Thereby, the knob member 21 is provided in the through groove 11 of the first case 1a, its outer side and the guide grooves 12, 13 and the through groove of the second case 1b, its outer side and the guide groove so as to be movable in the left-right direction. Yes.

  Here, the reason why the operation unit casing 1 is divided into the first case 1a and the second case 1b in the thickness direction will be described. When the operation unit housing 1 is not divided into the first case 1a and the second case 1b in the thickness direction, the knob member 21 cannot be incorporated. Therefore, the operation unit housing 1 is divided into a first case 1a and a second case 1b in the thickness direction, and, for example, the through-groove 11 of the first case 1a, the outside thereof, and the guide grooves 12, 13 When the half of the knob member 21 is arranged on the first case, and then the first case 1a and the second case 1b are joined, the knob member 21 can be incorporated. In the following, description of the through groove, guide groove, and protrusion of the second case 1b is omitted, and description will be made as the through groove 11, guide grooves 12, 13 and protrusions 14, 15 of the operation unit housing 1.

  An inner case 31 is provided inside the operation unit casing 1. A circular through hole 32 is provided in the inner case 31 in a portion corresponding to the central portion of the through groove 11 of the operation unit casing 1. A waterproof push button switch 33 is provided in the through hole 32 of the inner case 31, outside and inside thereof.

  The push button switch 33 includes a push button including a push button body 34 and a seal member 35. The push button main body 34 is formed of a resin such as polyamide, and has a structure in which inclined pieces 34b and 34c that are inclined inward are provided on the left and right sides of the flat head of the cylindrical portion 34a. The seal member 35 is formed of silicone rubber or the like, and a protrusion 35b is provided in a ring shape on the outer peripheral surface of the center portion of the bottomed cylindrical portion 35a provided on the surface of the columnar portion 34a of the pushbutton body 34. A columnar protrusion 35c is provided at the center of the outer surface of the bottom of the portion 35a, and a flange portion 35d is provided at the outer periphery of the head of the bottomed cylindrical portion 35a.

  The cylindrical portion 34 a of the push button main body 34 is press-fitted into the bottomed cylindrical portion 35 a of the seal member 35. The bottomed cylindrical portion 35 a including the protrusion 35 b of the seal member 35 is press-fitted into the through hole 32 of the inner case 31. In this state, the protrusion 35 b is pressed against the inner wall surface of the through hole 32 of the inner case 31, so that the portion of the through hole 32 of the inner case 31 is waterproof. The protrusion 35 c of the seal member 35 slightly protrudes inside the inner case 31. The flange portion 27 d of the seal member 35 and the inclined pieces 34 b and 35 c of the push button body 34 are provided outside the inner case 31.

  A frame 41 is provided inside the inner case 31. A dome switch 42 that constitutes a part of the push button switch 33 is provided on the outer surface of the frame 41 at a portion corresponding to the through hole 32 of the inner case 31. The dome switch 42 includes a film substrate 43 attached to the outer surface of the frame 41 via an adhesive (not shown). A pair of fixed contacts (not shown) is provided on a portion of the outer surface of the film substrate 43 corresponding to the protrusion 35 c of the seal member 35. A movable contact 44 made of a dome-shaped plate spring made of stainless steel or the like is provided outside the pair of fixed contacts of the film substrate 43. An adhesive sheet 45 is attached to the outer surface of the movable contact 44 and the film substrate 43. Thereby, the movable contact 44 is fixed.

  Here, as shown in FIG. 3, when the knob member 21 is positioned at the rightward movement limit position, the protrusion 27 of the right arm portion 25 of the knob member 21 is in the right guide groove 13 of the operation unit housing 1. The knob member 21 is locked at the rightward movement limit position by overcoming the projection 15 and being positioned on the right side thereof. Further, in this state, the protrusion 28 of the knob member 21 abuts on the inclined piece 34 c on the right side of the push button body 34, so that the push button body 34 is not pressed by the protrusion 28 of the knob member 21. As a result, the seal member 35 is in an initial state, and the protrusion 35 c is simply in contact with the outer surface of the adhesive sheet 45 provided on the outer surface of the movable contact 44. Therefore, in this state, the dome switch 42 is in an off state.

  Next, the case where the dome switch 42 is turned on in the waterproof slide switch device 4 of the cellular phone will be described. In FIG. 3, the knob member 21 is moved leftward. Then, the protrusion 27 of the right arm portion 25 of the knob member 21 is positioned on the left side of the protrusion 15 in the guide groove 13 on the right side of the operation unit housing 1 and the left arm portion 24 of the knob member 21. The knob 26 is moved to the left side movement limit position by overcoming the protrusion 14 in the guide groove 12 on the left side of the operation section housing 1 and being positioned on the left side thereof.

  Further, the protrusion 28 of the knob member 21 moves to the left while pressing the inclined surface of the right inclined piece 34c of the push button main body 34, and is positioned at the center of the head of the cylindrical portion 34a of the push button main body 34. The portion 34 a presses the bottom of the bottomed cylindrical portion 35 a of the seal member 35. Then, the movable contact 44 is pushed and elastically deformed together with the adhesive sheet 45 provided on the outer surface thereof by the projection 35c of the seal member 35, and the movable contact 44 thus pushed and elastically deformed is connected to a pair of fixed contacts facing each other. The contact is made and the dome switch 42 is turned on.

  When the dome switch 42 is turned off from this on state, the knob member 21 is moved rightward. Then, the protrusion 26 of the left arm portion 24 of the knob member 21 is positioned on the right side of the protrusion 14 in the guide groove 12 on the left side of the operation unit housing 1 and the right arm portion 25 of the knob member 21. The knob member 21 is locked at the rightward movement limit position by the protrusion 27 over the protrusion 15 in the guide groove 13 on the right side of the operation unit casing 1 and being positioned on the right side thereof.

  Further, the protrusion 28 of the knob member 21 moves rightward from the center of the head portion of the cylindrical portion 34a of the push button main body 34 and is positioned on the inclined surface of the right inclined piece 34c of the push button main body 34. The pressing on the cylindrical portion 34a of the push button main body 34 by the projection 28 is released. Then, the pressure on the dome switch 42 by the projection 35c of the seal member 35 is released, and the dome switch 42 is self-returned to the original on state. Further, due to the self-returning force of the dome switch 42, the seal member 35 and the push button body 34 are returned to the original state.

  By the way, in the waterproof slide switch device 4 of this cellular phone, the knob member 21 is provided in the operation unit casing 1, the seal member 35 is provided in the inner case 31, and the knob member 21 and the seal member 35 are separated. Even if the knob member 21 is moved in the left-right direction, this movement does not have any influence on the waterproof structure by the seal member 35, and therefore the waterproof property can be sufficient.

  Further, in the waterproof slide switch device 4 of this cellular phone, when used in the water, even if the water pressure is relatively high, the knob 22 mainly receives the water pressure and the push button main body 34 hardly receives the water pressure. Does not malfunction due to water pressure, and therefore does not malfunction even if the knob 22 receives external pressure such as water pressure.

  Note that the present invention is not limited to a mobile phone, but is also applied to a portable electronic device such as a personal handy-phone system (PHS), a personal data assistance (PDA), and a personal computer. Can be applied.

  Hereinafter, various aspects of the present invention will be collectively described as supplementary notes.

(Appendix 1)
The invention of Supplementary Note 1 is provided so as to face the knob member inside the case, a case having a through hole, a knob member slidably provided in and outside the through hole of the case, When the knob member is in one position in the sliding direction, it is pushed by the knob member to turn on, and when the knob member is in another position in the sliding direction, the pressure by the knob member is released and turned off. The waterproof slide switch device is provided with a waterproof push button switch.

(Appendix 2)
The invention according to appendix 2 is the invention according to appendix 1, wherein the pushbutton switch is inserted into a through hole provided in an inner case provided inside the case in a waterproof manner and is pressed by the knob member. It is a waterproof slide switch device characterized by having.

(Appendix 3)
The invention according to appendix 3 is the invention according to appendix 2, wherein the push button includes a bottomed cylindrical seal member provided in a through hole of the inner case, and a head portion of the seal member in the seal member. And a push button body that is provided so as to protrude from the knob and is pressed by the knob member.

(Appendix 4)
The invention of appendix 4 is the waterproof slide switch device according to appendix 2 or 3, wherein the pushbutton switch includes a dome switch provided to face the pushbutton.

(Appendix 5)
The invention according to appendix 5 is the invention according to any one of appendices 1 to 4, wherein the case is divided into a first case and a second case in the thickness direction thereof, and the first case and the second case Guide grooves having through-grooves for forming the through-holes on the end surfaces joined to the second case and the first case of the case, and having protrusions on the end surfaces on both sides of the through-grooves The knob member has arm portions having protrusions on both sides thereof, and in a state where the first case and the second case are coupled, the arm portion of the knob member is the first case. The knob member is disposed in the guide groove of the second case, and the knob member is moved to one position in the moving direction by a locking action of the protrusions of the first case and the second case and the protrusion of the knob member. Either with the other position It is waterproof slide switch apparatus according to claim adapted to be locked in.

DESCRIPTION OF SYMBOLS 1 Operation part housing | casing 1a 1st case 1b 2nd case 2 Hinge part 3 Display part housing | casing 4 Waterproof slide switch apparatus 11 Through groove 12 Guide groove 21 Knob member 33 Pushbutton switch 34 Pushbutton main body 35 Seal member 31 Inner case 41 Frame 42 Dome switch

Claims (5)

  A case having a through-hole, a knob member slidably provided inside and outside the through-hole of the case, and provided inside the case so as to face the knob member, the knob member extending in the sliding direction A waterproof pushbutton switch that is turned on when pressed by the knob member when in one position, and is turned off when the knob member is at another position in the sliding direction. And a waterproof slide switch device.   The invention according to claim 1, wherein the pushbutton switch includes a pushbutton that is waterproofed and inserted into a through hole provided in an inner case provided inside the case and is pressed by the knob member. Waterproof slide switch device.   In the invention according to claim 2, the push button includes a bottomed cylindrical seal member provided in the through hole of the inner case, and a head protruding from the seal member in the seal member. A waterproof slide switch device comprising a push button body provided and pushed by the knob member.   4. The waterproof slide switch device according to claim 2, wherein the push button switch includes a dome switch provided to face the push button.   The invention according to any one of claims 1 to 4, wherein the case is divided into a first case and a second case in a thickness direction thereof, and the first case and the second case are the first case and the second case. A through groove for forming the through hole is provided in an end surface joined to the second case and the first case, and a guide groove having a protrusion is provided on each end surface on each side of the through groove, The knob member has arm portions having protrusions on both sides thereof, and in a state where the first case and the second case are joined, the arm portion of the knob member is the first case and the second case. The knob member is disposed in the guide groove of the case, and the knob member is moved between one position in the moving direction and the other position by the locking action of the protrusions of the first case and the second case and the protrusion of the knob member. Locked to one Waterproof slide switch apparatus characterized that it is so.

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