JPH1198229A - Portable electronic device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a structure of a case which water is unable to seep into by connecting two cases whose one sides are openable, providing a seal member to each of them, tilting an adhered end face of the seal member engageably and closely contacting the cases, via the seal member in a way such that a display section and an operation section face opposite to each other. SOLUTION: A display section 29 of a display section main body 25 is mounted on a rectangular dish shaped case 28 which is open to an operation section main body 26. A seal member 31 made of a high elastic material, such as silicon rubber is adhered to a circumferential ridge of the case 28 and on an overlapped face of a case 38. An exposed end face of the seal member 31 is tilted, and a wall 32 is formed multiply along the surrounding of the case 28 at the end face. A step difference 33 is formed in an eaves shape around the entire circumference of an inner ridge of the case 28. Similarly, a step 44 is formed to the entire circumference of the inner ridge of the case 38. When the display section main body 25 and the operation section main body 26 are folded and overlapped, the step 44 is mated to the step 33, cleaves 32, 43 are smashed and adhere to each other.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable electronic device such as a portable small-sized radio selective call receiver generally called a pager or pager.

[0002]

2. Description of the Related Art In recent years, portable electronic devices have been widely used as portable communication means.

A conventional portable electronic device will be described with reference to FIGS.

A display unit 3 and various operation keys 4 are provided on a front case 2 side of an electronic device main body 1 having small electronic components therein. A battery housing 6 is provided at one ridge on the rear case 5 side of the electronic device main body 1.

[0005] A mounting structure of the operation key 4 will be described below with reference to FIG.

A switch 8 is mounted on a wiring board 7 inside the electronic device main body 1, and an elastic bar 9 is provided so as to overhang the switch 8.

The elastic bar 9 has an arm portion 10 extending obliquely upward, and a flat bowl-shaped support portion 11 is formed slightly above the switch 8 at the tip of the arm portion 10. I have. The elastic bar 9 is made of a material having elasticity, and can be tilted. The lower surface of the support portion 11 can contact the switch 8. The support portion 11 urges and supports the operation key 4 having a plurality of legs 12 on an outer peripheral portion in a projecting direction, the operation key 4 penetrates the front case 2, an upper surface is exposed, and the front Case 2
The height is substantially the same as the upper surface of.

When the operation key 4 is pressed downward, the upper surface of the operation key 4 is slightly depressed from the upper surface of the front case 2 and the lower surface of the support portion 11 presses the switch 8 so that the switch 8 operates. I do. The operation keys 4
Is stopped, the operation key 4 returns to the original position by the restoring force of the elastic bar 9, and the operation state of the support portion 11 and the switch 7 is released.

Next, the structure of the battery housing section 6 will be described with reference to FIG.

The button battery 13 is held by a battery holder 14 and is handled in a state of being integrated with the battery holder 14.
A battery storage space 15 is formed in the electronic device body 1,
The battery holder 14 can be loaded in the battery storage space 15. Therefore, the battery storage space 15 is filled with the battery holder 14, a part of the battery holder 14 is exposed, and constitutes a part of a case of the electronic device body 1.

[0011]

In the above-mentioned conventional portable electronic device, the operation keys and the battery housing are penetrated or cut out of the case and are provided to be exposed to the outside. If water is applied to the case, such as when the electronic device is dropped on the water surface, the water may enter the electronic device main body, causing abnormalities in the internal electronic components.

The present invention has been made in view of the above circumstances, and provides a portable electronic device having a waterproof structure in which water does not penetrate to the inside even if water is applied to the case.

[0013]

SUMMARY OF THE INVENTION According to the present invention, two cases each having an open surface are connected to each other so as to be openable and closable, and a display unit and an operation unit are provided on the overlapped surface. The present invention relates to a portable electronic device having a sealing material provided on a periphery of the superposed surface, wherein a sealing material is provided on each of the two cases, and a joining end face of the sealing material is inclined so as to be able to engage, and a fold is formed on the end face. The two cases are brought into close contact with each other via the sealing material such that the display unit and the operation unit face each other.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.

The portable electronic device 24 includes a flat, substantially rectangular parallelepiped display unit main body 25, and an operation unit main body 26 having substantially the same shape as the display unit main body 25. The display unit main body 25
And the operation unit main body 26 are hingedly connected via a rotation shaft 27, and are rotatable about the rotation shaft 27, and the display unit main body 25 can be overlapped with the operation unit main body 26. .

The display unit main body 25 is connected to the operation unit main body 26.
A display unit 29 is mounted on a rectangular dish-shaped case 28 having an open side. A liquid crystal display 30 is provided on the surface of the display unit 29, and a peripheral edge of the case 28 overlaps a case 38 described later. A sealing material 31 made of a highly elastic material such as silicon rubber is stuck on the surface. As shown in FIG. 4, the exposed end face of the seal material 31 is inclined, and multiple folds 32 are formed on the exposed end face along the periphery of the case 28. A step 33 is formed over the entire inner edge of the case 28 in an eaves-like manner.

A fastener 35 is provided on the rotating end side surface 34 of the case 28. Further, the case 28-1
A notch is provided at one of the ridges, and the LED lens 36 is press-fitted or bonded to the notch. As shown in FIG. 5, an LED 37 is provided inside the case 28 at a position facing the LED lens 36, and light emitted from the LED 37 is emitted to the outside through the LED lens 36. I have.

The operation section main body 26 is connected to the display section main body 25.
A radio receiving unit (not shown) and an operation unit 39 are mounted on a rectangular dish-shaped case 38 having an open side, and an operation button 40 is provided on a surface of the operation unit 39 and a battery storage unit 41 is provided. A sealing member 42 made of a highly elastic material such as silicon rubber is attached to the overlapping surface of the case 28 at the periphery of the case 38. As shown in FIG. 4, the exposed end surface of the sealing material 42 is inclined so as to be in contact with the exposed end surface of the sealing material 31, and multiple folds 43 are formed on the exposed end surface along the periphery of the case 28. . A step 44 is formed in an eaves shape all around the inner edge of the case 28.

A hook-shaped recess 46 is formed at a position corresponding to the fastener 35 on the side surface 45 on the rotating end side of the case 38.

When the display section main body 25 and the operation section main body 26 are folded and overlapped, the step 44 fits into the step 33, and the exposed end face of the seal material 31 and the seal material 42 The folds 32 and 43 are squashed and come into close contact with the exposed end surface of the fold.

Next, the fastener 35 will be described with reference to FIGS.

Two supporting pieces 48, 48 project symmetrically on the side surface of the case 28 in a notch space 47 formed on the side of the rotating end side 34, and the supporting pieces 48, 48
9 is inserted horizontally. A fastener body 50 is attached to the shaft 49.
Is rotatably mounted and has a spring 5 in the center.
1 is fitted, and the outer surface of the fastener main body 50 forms the same plane as the rotating end side surface 34.

The fastener main body 50 has a horizontally long rectangular shape in front, and a spring stopper 52 is formed to protrude horizontally in the upper portion of the inner surface. The front end of the spring 51 is locked on the lower surface of the spring stopper 52, and the central straight portion of the spring 51 is locked on the side surface of the case 28, so that the fastener main body 50 is attached counterclockwise in FIG. It is being rushed.

Below the spring stopper 52 on the inner surface of the fastener main body 50, there are two symmetrically located shaft support pieces 53,
A projection 53 is provided, and the shaft 49 is inserted into the shaft support pieces 53, 53. The lower end of the fastener main body 50 is formed with a hook portion 54 protruding inward, and the hook portion 54 can be locked in the recess 46. Further, the upper part of the outer surface of the fastener main body 50 is a pressing surface 55 in which the streaks are formed.

The spring 51 is connected to the fastener main body 50.
By pressing the upper part of the hook outwardly, the hook 54
6, a counterclockwise moment in FIG. 6 acts on the shaft 49 to maintain the hooked portion 54 and the concave portion 46 in a locked state, and to prevent the display portion main body 25 and the operation portion main body 26 from moving. The close contact state is maintained.

By pressing the pressing surface 55, the fastener main body 50 rotates about the shaft 49, and the locked state of the hook portion 54 and the concave portion 46 is released. The close contact state of the operation unit main body 26 is released.

Next, the mounting structure of the operation button 40 will be described with reference to FIG.

A fixed contact 57 is electrically connected to the wiring 56 inside the operation section main body 26, and an annular support portion 58 is projected around the fixed contact 57. The operation button 40 is provided above the fixed contact 57, and a groove 59 is formed on the lower surface of the operation button 40 along the outer periphery of the operation button 40, and an O-ring 60 is interposed in the groove 59. Thus, the support portion 58 is fitted. A movable contact 61 is formed at the center of the lower surface of the operation button 40.

When the operation button 40 is pressed downward, the movable contact 61 is fixed to the fixed contact 57.
When the switch is activated and the pressing is stopped, the operation button 40 is lifted by the restoring force of the O-ring 60, and the movable contact 61 is separated from the fixed contact 57.

Next, the structure of the battery storage section 41 will be described with reference to FIGS.

The battery accommodating portion 41 includes a lid 62 and the lid 62.
, And a lower space 65 for storing a coin battery 64. The lid 62 has a rough surface portion 66 on the upper surface, and a disc shape having an outer diameter substantially equal to the outer diameter of the coin battery 64 on the lower surface of an upper disc portion 67 having a larger outer diameter than the coin battery 64. Has a configuration in which a lower disk portion 68 is fixed concentrically with the upper disk portion 67. or,
Engagement pieces 69 are protrudingly provided on the lower side surfaces of the lower disk portion 68 at positions opposing each other with the center of the lower disk portion 68 interposed therebetween. The distance between the tips of the locking pieces 69 is equal to the upper disc portion 6.
7, the thickness of the locking piece 69 is thinner than the lower disk portion 68, and the lower surface of the locking piece 69 forms the same plane as the lower surface of the lower disk portion 68.

The upper space 63 is composed of a first space 70 into which the upper disk portion 67 can be fitted from above and a second space 71 into which the lower disk portion 68 can be stored. 71
A part of the upper part has a reduced inner diameter to form a locking portion 72.

The lower space 65 has a flat cylindrical shape, and the bottom surface of the lower space 65 has a plus terminal leaf spring 7.
3 are provided. Further, a leaf spring 7 for a negative terminal is provided at a position facing the outer peripheral side surface of the lower space 65.
4 are provided.

The coin battery 64 is inserted into the battery housing 41.
After the coin battery 64 is placed in a horizontal position on the leaf spring 73, the lid 62 is placed on the coin battery 64. A finger or the like is brought into contact with the rough surface portion 66 of the lid 62, and the lid 62 is horizontally rotated while being pressed, so that the locking piece 69 is locked to the locking portion 72. The coin battery 64 is vertically clamped by the lid 62 and the leaf spring 73, and is clamped on both sides by the leaf springs 74, 74, and is supported and fixed in the lower space 65.

In the above embodiment, the fastener 35 is provided on the display section main body 25, but may be provided on the operation section main body 26.

[0036]

As described above, according to the present invention, the operation surface having the operation buttons and the battery accommodating portion is not exposed to the outside, and the display unit main body 25 and the operation unit main body 26 are interposed with the sealing material. Since it can be kept in close contact with the fasteners, it can be kept in close contact with the fasteners. It exhibits various excellent effects such as no occurrence of abnormalities.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a front view showing the embodiment.

FIG. 3 is a side view showing the embodiment.

FIG. 4 is a view taken in the direction of arrows AA in FIG. 2;

FIG. 5 is an enlarged view of a portion B in FIG. 2;

FIG. 6 is a view taken in the direction of the arrows CC in FIG. 2;

FIG. 7 is a view as viewed in the direction of the arrow DD in FIG. 6;

FIG. 8 is a sectional view showing a mounting structure of the operation key according to the embodiment.

FIG. 9 is a cross-sectional view showing a structure of a battery storage unit according to the embodiment.

FIG. 10 is a plan view showing a state where a lid is closed.

FIG. 11 is a plan view showing a state where a lid is opened and a coin battery is removed.

FIG. 12 is a perspective view showing a conventional example.

FIG. 13 is a perspective view showing a back surface of a conventional example.

FIG. 14 is a cross-sectional view showing a mounting structure of an operation key in a conventional example.

FIG. 15 is a perspective view showing a battery housing in a conventional example.

[Explanation of symbols]

 25 display unit main body 26 operation unit main body 28 case 29 display unit 31 seal material 32 fold 38 case 39 operation unit 42 seal material 43 fold

Claims (2)

[Claims] 1. An openable and closable connection between two cases each having an open surface, an open / close surface on the overlapped surface of the case, a display unit and an operation unit provided on the overlapped surface, and a sealing material provided on a peripheral edge of the overlapped surface. Portable electronic equipment characterized by comprising: 2. The portable electronic device according to claim 1, wherein a sealing material is provided on each of the two cases, and a joining end face of the sealing material is inclined so as to be able to engage, and a fold is provided on the end face.