JPH06167581A - Holding structure for indication device - Google Patents

Abstract

PURPOSE:To hold an indication device with a simple structure of a few number of parts by elastically pushing the end of the indication device with an electrode plate connecting a battery and a circuit base plate. CONSTITUTION:An indication device 5 is inserted in an opening 3 of a wrist watch case l so that a receiver frame does not come off to the front side and a circuit base plate 6 touching the receiver surface 10 is built in the case 1 without touching the device 5. Between the electrode 5a of the device 5 and the electrode of the base plate 6, a connection part 11 is inserted to electrically connect the both and the electrode 5a side is elastically pushed. The terminal 21 of the electrode plate and the terminal 22 penetrating the window part 12 of the base plate 6 elastically touch the electrode of the base plate 6 and the electrode of battery 7, respectively and electrode plate 20 connects the battery 7 and the base plate 6. This electrode plate 20 18 fixed to the case 1 so as to locate at the opposite side of the electrode 5a, the battery 7 is set and the part for fixing 8 is placed and then the terminal 22 is pushed to the battery 7 and the end of the device 5 is elastically pushed. Thus, the device 5 is pushed on one end by the part 11 and the other end, by the electrode plate 20 to be in good fixed state and a cushion part for fixing is unnecessary.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for holding a display device such as a liquid crystal display device of an electronic device using a battery as a power source.

[0002]

2. Description of the Related Art Electronic devices such as electronic wrist watches and electronic calculators incorporate a display device such as a liquid crystal display device for visually displaying information such as time and calculation results. For example, in an electronic wrist watch, a liquid crystal display device is incorporated in a device case, a circuit board is further incorporated, and a display signal is sent from the circuit board to a liquid crystal display to perform a predetermined display. In order to supply this signal, an electrode is formed on one end side of the display device, and the electrode and the electrode of the circuit board are electrically connected via a connecting member such as an interconnector.

In such a structure, it is necessary to stably hold the display device in the equipment case. For this reason, an elastic cushion member is provided between the circuit board and the other end of the display device in which no electrode is formed. Has been inserted in. As a result, the cushioning effect of the cushion member reduces vibrations, shocks, etc., so that the display device is held without displacement.

[0004]

In the conventional holding structure for a display device, since one end side of the display device is held by the connecting member and the other end side is held by the cushion member, the number of parts for fixing the display device is reduced. In many cases, the structure was complicated and the assembly of electronic devices was troublesome.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a holding structure capable of holding a display device with a simple structure having a small number of parts.

[0006]

In order to achieve the above object, the present invention provides a display device in which an electrode is formed at one end side and which is arranged in a device case, and an electrode of a circuit board for controlling the operation of the display device. A connection member that is interposed between the electrodes of the display device and electrically connected thereto, a battery that supplies power to the circuit board, a first terminal that contacts an input terminal of the circuit board, and an electrode of the battery. And an electrode plate having a second terminal that elastically contacts with the second terminal and presses the other end side of the display device by the contact.

[0007]

Embodiments will be specifically described below with reference to embodiments in which the present invention is applied to an electronic wrist watch.

FIG. 1 shows a state in which various parts are assembled to a wristwatch case 1 (hereinafter referred to as a device case 1) from the back side, FIG. 2 is a rear view after assembly, and FIG. 3 is a partial sectional view. . The device case 1 has a mounting portion 2 for a watch band (not shown) at the end portions in the 6 o'clock and 12 o'clock directions, and an opening 3 for display is formed at a substantially central portion. A watch glass 4 is fitted and fixed on the front side of the device case 1 to protect the front side. The display device 5, such as a liquid crystal display device 5, the circuit board 6, the battery 7, and the mounting member (base plate) 8 are sequentially assembled to the device case 1 from the back side thereof.

The display device 5 is inserted into the device case 1 so as to face the opening 3 of the device case 1. This display device 5
In order to receive it, a flange 9 with which the peripheral portion of the display device 5 abuts is formed around the opening 3, and the display device 5 is prevented from coming off to the front side by this flange 9. Display device 5
The electrode has an electrode 5a formed on one side in the longitudinal direction on the back side thereof, and the electrode 5a and an electrode (not shown) formed on the front side of the circuit board 6 are electrically connected to each other to display It is controlled.

The circuit board 6 is incorporated in the equipment case 1 so as to be located on the rear side of the display device 5. The circuit board 6 is brought into contact with the receiving surface 10 formed integrally with the device case 1 so as to be elevated stepwise, so that the circuit board 6 is in a non-contact state with the display device 5 and a predetermined gap 13 (see FIG. 3). It is incorporated in the device case 1. Electrodes are formed on the portion of the circuit board 6 facing the electrodes 5a of the display device 5, and a connecting member 11 such as an interconnector is inserted between these electrodes to electrically connect the electrodes. Has been done. The connecting member 11 is made of a conductive material having an elastic structure. The connecting member 11 electrically connects the display member 5 and the circuit board 6 and elastically presses one end side of the display device 5 on which the electrode 5a is formed. There is. Reference numeral 12 denotes a window portion opened at a predetermined position of the circuit board 6, which is one terminal 22 of the electrode plate 20 described later.
Is inserted.

The battery 7 is incorporated so as to come into contact with the back surface of the circuit board 6. A button type lithium battery is used as the battery 7, and the above-described components are assembled to the device case 1 by mounting the mounting member 8 on the device case 1 after the battery 7 is assembled.

In this structure, the circuit board 6 and the battery 7 are electrically connected by the electrode plate 20. Electrode plate 20
As shown in FIG. 1, a fixing plate portion 23 to which the fixing pin 14 standing on the surface 14 a of the device case 1 is inserted to be attached to the device case 1, and a front side of the circuit board 6 from the fixing plate portion 23 are shown. The first terminal 21 extending in the direction of the electrode terminal (not shown) and the second terminal 22 extending in the direction substantially perpendicular to the first terminal 21 from the fixing plate portion 23 in the battery 7 direction are integrally formed. It is configured by being formed. The first terminal 21 stands up in an oblique direction from the fixing plate 23, and the tip end portion thereof elastically contacts the electrode terminal formed on the circuit board 6. The second terminal 22 is also provided with elasticity by standing upright from the fixing plate 23 in an oblique direction. By inserting the window portion 12 of the circuit board 6 into the second terminal 22, the tip of the second terminal 22 comes into contact with the electrode of the battery 7. Due to such contact between the first and second terminals 21 and 22, electric power is supplied from the battery 7 to the electrode terminals of the circuit board 6. Here, the electrode plate 20 is attached to the device case 1 so as to be located at the end opposite to the end on the side where the electrode 5a is formed in the display device 5. In this attached state, the electrode plate 20 is located in the gap 13 between the display device 5 and the circuit board 6, and the second terminal 22 rises from within the gap 13 and passes through the window portion 12 of the circuit board 6. (Fig. 3
reference). When the battery 7 is set in the device case 1 with respect to such an electrode plate 20 and the mounting member 8 is attached to the device case 1, the second terminal 22 from which the window 12 of the circuit board 6 is pulled out is As shown in FIG. 3, the end of the display device 5 is elastically pressed by being pressed by the battery 7. As a result, in the display device 5, the end portion on the side opposite to the end portion on the side where the electrodes 5a are formed and the electrode plate 2
Since it is pressed against the equipment case 1 by 0, its end is fixed. Therefore, since the display device 5 is pressed by the connecting member 11 on one end side and the electrode plate 20 on the other end side, the display device 5 is in a good fixed state without being displaced.

In such a structure, the battery 7 and the circuit board 6 are
Since the electrode plate 20 that conducts with the above elastically fixes the other end side of the display device 5, a cushion member for fixing the other end side becomes unnecessary. As a result, the number of parts is reduced, the structure is simplified, and the assembly is facilitated.

One end of the circuit board 6 is in contact with the fixed pin 14 and the other end is formed with an opening 6a. A plurality of pin projections 15 formed on the equipment case 1 are formed in the opening 6a.
The insertion into the device case 1 (see FIG. 1) allows the device case 1 to be positioned. A similar opening 8 is also formed in the mounting member 8.
b is formed, the pin projection 15 is inserted, the positioning of the mounting member 8 is performed, and a hook piece 16 bent toward the device case 1 is formed at an appropriate portion of the outer peripheral portion of the mounting member 8. Has been done. On the other hand, a slit 17 into which the hook piece 16 is inserted is formed at a portion of the device case 1 facing the hook piece 16. As shown in FIG. 4, a hook hole 18 is formed in the hook piece 16, and a hook projection 19 that is detachably engaged with the hook hole is formed on the side of the device case in the slit 17.
Further, as shown in FIG. 5, a projecting portion 16a projecting laterally is formed at each tip of the hook piece 16.

In the mounting member 8 having such a structure, each hook piece 16 is inserted into the corresponding slit 17 so that the hook hole 1
The device 8 is attached to the equipment case 1 by engaging the hook projections 8 with the hook projections 19. On the other hand, as shown in FIG. 5, a jig 3 such as tweezers is inserted into the slit 17 of the device case 1.
By inserting 0 and pressing the protrusion 16a of the hook piece 16 away from the hook protrusion 19, the engagement between the hook protrusion 19 and the hook hole 18 can be released. As a result, since the mounting member 8 can be easily removed from the device case 1, there is an advantage that the battery 7 and other components can be easily replaced or maintained. 1 and 2, 8a is a battery 7
Is a pressing piece provided upright on the mounting member 8 for elastically pressing.

The present invention is not limited to the above embodiment, and various changes can be made. For example, the electrode plate 20 includes the battery 7 and the circuit board 6.
As long as it conducts with and presses the display device 5,
A shape other than the shape shown may be used. Further, the present invention can be similarly applied to other electronic devices such as an electronic computer other than an electronic wristwatch as long as it incorporates a display device.

[0017]

As described above, according to the present invention, since the electrode plate for conducting the battery and the circuit board elastically presses the other end of the display device, the other end of the display device is fixed. Member is unnecessary, the number of parts is reduced, the structure is simplified, and the assembly is facilitated.

[Brief description of drawings]

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

FIG. 2 is a back view of the embodiment.

FIG. 3 is a cross-sectional view of a main part of one embodiment.

FIG. 4 is a partial cross-sectional view of one embodiment.

FIG. 5 is a partial cross-sectional view showing the disassembling operation of the embodiment.

[Explanation of symbols]

 1 Equipment Case 5 Display Device 6 Circuit Board 7 Battery 8 Mounting Member 11 Connection Member 20 Electrode Plate 21 First Terminal 22 Second Terminal

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[Procedure amendment]

[Submission date] July 21, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be amended] Title of invention

[Correction method] Change

[Correction content]

Title: Display device holding structure

Claims (2)

[Claims] 1. A display device arranged in an equipment case,
A circuit board that controls the operation of the display device, a battery that supplies power to the circuit board, a first terminal that contacts an input terminal of the circuit board, and an electrode of the battery that elastically contacts the contact. And an electrode plate having a second terminal that presses the display device. 2. A display device in which an electrode is formed at one end side and which is arranged in a device case, and an electric device which is inserted between an electrode of a circuit board for controlling the operation of the display device and an electrode of the display device. Connection member for electrically connecting the circuit board, a battery for supplying electric power to the circuit board, a first terminal in contact with an input terminal of the circuit board, and an electrode of the battery, and the display device is elastically contacted by the contact. Second to press the other end of the
And an electrode plate having a terminal of 1.