JPH08288008A - Mounting and demounting structure for electronic component - Google Patents

Abstract

PURPOSE: To easily connect two electronic components to each other electrically. CONSTITUTION: A first electronic component 1 is formed to have a coupling groove 5, while a second electronic component 2 is fitted with a rotor 3. Also, a coupling projection 4 is formed on the rotor 3. Then, when the rotor 3 is rotated, the projection 4 and the groove 5 are coupled to each other, thereby assembling the components 1 and 2. Also, a pin contact 25 is projected from the component 2 and a moving contact 13 is provided on the component 1 for the electrical connection thereof.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a detachable structure for assembling two electronic parts because the functions of the two electronic parts are used in combination.

[0002]

2. Description of the Related Art For example, an electronic wristwatch has been developed which has a calculation function, a data bank function, and other functions in addition to the original functions such as a timekeeping function and an alarm function. Also, an electronic notebook has been developed in which a game function and the like are added to original functions such as a data bank function.
The conventional structure of these electronic devices has a structure in which a circuit board and devices having the above-mentioned functions are housed in the device case, and switches and buttons for operation are arranged on the outer surface of the device case. There is.

[0003]

Therefore, in the conventional structure, the larger the number of functions to be incorporated, the larger the outer shape of the electronic device and the heavier the problem. On the other hand, some functions are less frequently used and less required to be incorporated, and it is more convenient for use to appropriately add such a less frequently used function to an electronic device as needed.
It is also possible to use an electronic device having another function with one electronic device and use that function, or a power supply device with one electronic device to enable use with a large current. On top of that, it becomes convenient.

The present invention has been made in consideration of such circumstances, and provides a structure in which one electronic component having a predetermined function can be removably assembled with another electronic device. By doing so, it is intended to improve convenience in use. Another object of the present invention is to provide an attachment / detachment structure capable of easily assembling and releasing two electronic components.

[0005]

According to the electronic component attaching / detaching structure of the present invention, at least two electronic components in which connecting members for electrical connection are arranged at mutually opposing portions,
The two electronic components are arranged to engage with each other,
And an engaging member that brings the connecting member into an electrically connected state by the engagement.

In this structure, the connecting members of the two electronic components are connected by engaging the engaging members provided on the two electronic components with each other, and the function of the other electronic component is one of the electronic components. Is added to. On the other hand, by releasing the engagement of the engagement member, the two electronic components are individually separated and become independent of each other.

According to another aspect of the present invention, there is provided an electronic component attaching / detaching structure, which has at least two electronic components in which connecting members for electrical connection are arranged at mutually opposing portions, and engaging protrusions.
A rotating plate rotatably attached to one electronic component of the two angel components and the engaging protrusion slide, and when the engaging protrusion slides in one direction, the two electronic components approach each other. And an engaging groove formed in the other electronic component so as to separate the two electronic components when sliding in multiple directions.

In this structure, the engagement pin of one electronic component is positioned in the engagement groove of the other electronic component, and the rotary plate of the one electronic component is rotated in one direction so that the two electronic components are separated from each other. The assembly is carried out in close proximity. On the other hand, by rotating the rotary plate in the other direction, the two electronic components are separated from each other, and the assembly is released. Therefore, the attachment / detachment structure of the two electronic components can be easily performed.

[0009]

1 to 5 show a first embodiment of the present invention. In this embodiment, the second electronic component 2 is mounted on the first electronic component 1, and as the first electronic component 1,
Electronic wrist watches, electronic organizers and other electronic devices are used.
This first electronic component 1 has the original function of the device,
Furthermore, another function is appropriately added. As shown in FIG. 2, the first electronic component 1 includes a device case 10 having a storage portion 11, and a back cover 12 that is attached to the lower surface of the device case 10 to conceal the storage portion 11. .
The storage unit 11 stores a device 14 for performing the function of the first electronic component 1. In the case of an electronic wristwatch, a timepiece module is stored as the device 14.

One side surface 16 (left side surface in the illustrated example) of the first electronic component 1 faces the second electronic component 2, and this facing surface is assembled with the second electronic component 2. A movable contact 13 is attached to the left side surface 16 of the first electronic component 1 as a connecting member for electrically connecting to the second electronic component 2. The movable contact 13 penetrates the left side surface of the first electronic component 1 and is withdrawn into the housing portion 11 of the device case 10, and the withdrawing end portion 14 is housed in the housing portion 11 or the like. Of the device 14 of FIG. On the other hand, a fixed contact 15 with which the movable contact 13 contacts is provided on the side surface of the device 14. The movable contact 13 is biased by a spring 18 (see FIG. 2) so as to project from the device case 10.

As shown in FIG. 2, the second electronic component 2 has a built-in RAM or the like, and a device having a predetermined function such as a memory device for sending the data stored in the RAM to the timepiece module. A device case 20 in which the device 21 is stored, a back cover 22 attached to the lower surface of the device case 20, and a cap 23 attached to the upper surface of the device case 20 are provided. This cap 23 is a storage unit 2.
A battery power source (not shown) for protecting the data stored in the RAM serves as a replaceable battery lid. The right side surface 24 of the second electronic component 2 faces the first electronic component 1, and the right side surface 24 is assembled with the first electronic component 1. A pin contact 25 as a connecting member is arranged on the right side surface 24. The pin contact 25 is provided at a position facing the movable contact 13 of the first electronic component 1, and the first and second electronic components 1 and 2 are provided.
When assembled, the pin contact 25 comes into contact with the movable contact 13 of the first electronic component 1 and pushes in the contact 13. As a result, the movable contact 13 of the first electronic component 1 comes into contact with the fixed contact 15 of the device 14, and the first and second electronic components 1 and 2 are electrically connected.

A rotary plate 3 is provided on the second electronic component 2. The rotating plate 3 is attached to the upper surface of the device case 20 so as to be located around the cap 23 of the second electronic component 2, and is rotated around the cap 23 by a rotating operation. The rotary plate 3 has a lip portion 3a extending in the direction of the first electronic component 1, and an engaging protrusion 4 is formed on the lower surface of the lip portion 3a.
On the other hand, the upper surface of the first electronic component 1 is formed with an engagement groove 5 on which the engagement protrusion 4 slides in an engaged state.

An end portion of the first electronic component 1 is opened to the engaging groove 5, and the engaging protrusion 4 enters from the opened end portion.
Further, the engagement groove 5 has a first end with the open end as a starting end.
Is formed in a curved shape that is gradually separated from the electronic component 1.

By rotating the rotary plate 3 in the counterclockwise direction with the engaging projection 4 inserted into the engaging groove 5 (see FIG. 4), the engaging projection 4 slides, and the second electronic The component 2 approaches the first electronic component 1. Then, when the engagement protrusion 4 reaches the end of the engagement groove 5, the second electronic component 2 comes into contact with the first electronic component 1, and the electronic components 1 and 2 are assembled (see FIG. 5). In this assembled state, as shown in FIG. 2, the pin contact 25 comes into contact with the movable contact 13 and pushes the movable contact 13 into the first electronic component 1.
3 contacts the fixed contact 15 of the device 14. Thereby, the device 21 of the second electronic component 2 and the first electronic component 1
Is electrically connected to the device 14, and the function of the second electronic component 2 is added to the function of the first electronic component 1.

On the other hand, when the rotary plate 3 is rotated clockwise in this assembled state, the engaging projection 4 is disengaged from the child, and the second electronic component 2 is separated from the first electronic component 1. This releases the electronic components 1 and 2 from the assembled state. In such a structure, the rotating plate 3 is rotated in a state where the first and second electronic components 1 and 2 are brought close to each other and the engaging projection 4 is placed in the engaging groove 5, whereby the electronic components 1 and 2 are rotated. Can be assembled, and the assembly can be performed easily.

In the present embodiment, the facing surfaces of the first and second electronic components 1 and 2 are formed in such a shape that they fit with each other. That is, as shown in FIG. 1, the left side surface 16 of the first electronic component 1 has a shape in which its central portion projects and both side portions are recessed. The right side surface 24 of the second electronic component 2 facing this has a shape in which the central portion is recessed and both side portions are protruded, and the left side surface 16 of the first electronic component 1 is
Mate with each other. Further, a concave portion 17 is formed in the peripheral portion of the movable contact 13 in the first electronic component 1, and a convex portion 26 fitted in the concave portion 17 is formed in the peripheral portion of the pin contact 25 in the second electronic component 2. Are formed. In this way, by making the facing surfaces 16 and 24 of the first and second electronic components 1 and 2 fit with each other,
It is possible to characterize the alignment of the electronic components 1 and 2 at the time of assembling and to prevent the deviation in the assembled state. For this reason, there is an advantage that the assembly can be surely performed.

In FIGS. 3 and 4, 27 is a stopper pin provided on the upper surface of the device case 20 of the second electronic component 2. The stopper pin 27 is embedded in the device case 20 of the second electronic component 2, but by the spring 29,
It is urged to project upward. On the other hand, a pin hole 28 into which the head of the stopper pin 27 is fitted is formed on the lower surface of the lip portion 3a of the rotary plate 3. The positions of these stopper pins 27 and pin holes 28 are set so as to face each other when the engaging projection 4 reaches the end of the engaging groove 5 by the rotation of the rotary plate 3. Such a stopper pin 27 is fitted into a pin hole 28 of the rotary plate 3 when the rotary plate 3 is rotated to mount the electronic components 1 and 2. As a result, careless rotation of the rotating plate 3 is restrained, so that the assembly of the electronic components 1 and 2 is not accidentally released, and the electrical connection state of the electronic components 1 and 2 is favorably maintained. be able to.

2 and 3, reference numeral 20a denotes a storage portion formed in the equipment case 20 of the second electronic component 2, in which a battery for supplying electric power to the device 21 and other devices are stored. In this embodiment, the electronic components 1,
A cushioning material (not shown) may be attached to the two facing surfaces 16 and / or 24 to prevent rattling during assembly. Further, in this embodiment, the rotary plate 3 is formed with the lip portion 3a, and the lip portion 3a is located above the pin contact 25 when the rotary plate 3 is in the rotation stopped state. As a result, the pin contact 25 can be protected by the lip portion 3a.

6 and 7 show a second embodiment of the present invention, in which 30 is a first electronic component and 40 is a second electronic component. The first electronic component 30 is composed of a digital electronic wrist watch, an electronic notebook, and the like, and has an additional function such as a game function in addition to these original functions. In the first electronic component 30, a device (not shown) having these functions is housed in the equipment case 31, and the equipment case 31 is also included.
A movable contact 32 as a connecting member is attached to the side surface of the second electronic component 40 for electrical connection.

The second electronic component 40 imparts vibration to the first electronic component 30 during the game function. Therefore, in the second electronic component 40, the vibration motor 42 is arranged in the device case 41. This vibration motor 4
2 is mounted by soldering or the like on a circuit board 44 fixed in the device case 41 with screws 43.
It vibrates by the input of the signal from 4. Equipment case 41
The vibration motor 42 is fixed to the circuit board 44 by the fixing plate 46 in a state in which the motor 42 is covered with the buffer 45.
It is done by pressing on. The fixing plate 46 has a hook recess 41 whose one end 46a is formed in the device case 41.
The other end 46b is fixed to the device case 41 by a screw 43, and the fixing plate 4
6 has a certain degree of elasticity to press the vibration motor 42 against the circuit board 44.

The circuit board 44 for supplying a signal to the vibration motor 42 is electrically connected to the first electronic component 30 so that a control signal is input from the component 30. In order to make this electrical connection, a push button 47 as a connecting member is attached to the side surface of the second electronic component 40. The push button 47 is disposed on the side surface facing the first electronic component 30, and the first and second electronic components 30,
By assembling 40, it contacts the movable contact 32 of the first electronic component 30. In addition, in the device case 41,
A switch plate 48 is provided which contacts the push button 47 shaft end.

The switch plate 48 is fixed to the raised portion 41b formed in the equipment case 41 in a raised shape by screws 43, and the hanging portion hanging down from the raised portion 41 faces the push button 47. Also, the switch plate 48
Has a connecting piece 48a (see FIG. 6) curved downward while partially cutting out one side portion.
8 a is elastically contacted with a land portion 44 a formed on the circuit board 44, and is electrically connected to the circuit board 44. As a result, the control signal from the first electronic component 30 is transmitted to the circuit board 44 via the movable contact 32, the push button 47, and the switch plate 48, and the vibration motor 42 operates.

In FIG. 7, 49 is the second electronic component 40.
It is a battery provided in the vibration motor 42
Supply to. Reference numeral 50 is a lower lid for containing the battery 49 in the equipment case 41, and reference numeral 51 is a bezel attached to the equipment case 41 so as to rotate around the lower lid 51.

The bezel 51 functions as a rotary plate on which the first and second electronic components 30 and 40 are assembled. That is, the bezel 51 has an engagement protrusion 52 formed on a part of the outer peripheral portion thereof, and the engagement protrusion 52 engages with the engagement groove 53 of the first electronic component 30. In this case, the engaging groove 53 is provided on the lower surface of the device case 31 of the first electronic component 30, but has the same curved shape as the engaging groove 5 of the above-described embodiment, and is engaged with the rotation of the bezel 51. By sliding the projection 52 in one direction, the electronic components 30 and 40 are assembled close to each other, while sliding the engagement projection 52 in the other direction releases this assembly.

In this embodiment as well, the bezel 5
By rotating 1 to assemble the first and second electronic components 30 and 40, the function of the second electronic component 40 is added to the first electronic component 30, so that the mode of use is increased. Also in this embodiment, the facing side surfaces of the first and second electronic components 30 and 40 are as shown in FIG.
The electronic components 30 and 40 are formed in a shape in which the electronic components 30 and 40 are fitted to each other in a concavo-convex manner.
It is possible to prevent the displacement of the position.

8 and 9 show a third embodiment of the present invention, in which 60 is a first electronic component such as an electronic wristwatch, and 7
Reference numeral 0 is a second electronic component that is assembled to the first electronic component 60. The first electronic component 60 is the device case 6 thereof.
A circuit board 62 is provided inside 1. The circuit board 62 controls the entire functions of the first electronic component 60, and is electrically connected to the second electronic component 70 to access signals with the second electronic component 70. This signal access is performed by a switch plate 63 electrically connected to the circuit board 4 and a movable cut point 64 provided in the equipment case 61 so as to face the switch plate 63. 65 is a switch plate 6 facing the movable contact 64.
3, the movable contact 64 is not in contact with the fixed contact 65 when the second electronic component 70 is not assembled. 66 and 67 are circuit boards 6
2, the switch plate 62, and the switch plate 63, the device case 6
It is a housing for fixing inside 1.

The device case 6 of the first electronic component 60
An engagement groove 65 for assembling the second electronic component 70 is formed on the upper surface of the first surface, as in the first embodiment.

The second electronic component 70 has its equipment case 7
The battery 72 is housed inside the battery 1.
An accommodating portion 73 is formed separately from the accommodating portion, and a circuit board 74 is attached to the accommodating portion 73. The circuit board 74 is electrically connected to the circuit board 62 of the first electronic component 60. Therefore, the switch plate 75 and the push button 76 are arranged on the second electronic component 70. To be done.

The switch plate 75 is fixed to the convex portion 71a of the equipment case 71 formed in the accommodating portion 73 in a raised shape by screwing. One end 75a of the switch plate 75 elastically contacts the circuit board 74, while the other end 75b is a free end, and the push button 76 is arranged on the other end 75b side.

The push button 76 penetrates the side surface of the device case 71, and its tip is pulled out of the device case 71. The push button 76 is used for the first electronic component 60.
The second electronic component 70 so as to face the movable contact 64 of the second electronic component 70.
Are located in The end of the push button 76 inside the device case 71 faces the other end 75b of the switch plate 75. The push button 76 is biased by the spring 77 in a direction projecting from the device case 71, so that the second electronic component 70 alone is in a non-contact state with the push button 76 and the switch plate 75. There is.

A storage portion 73 into which the push button 76 enters
A ground plate 78 is attached to the inner surface of the. The ground plate 78 is made of a conductive material such as stainless steel,
It is adhered so as to cover the entire inner surface on the right side of the storage portion 73. The push button 76 penetrates the ground plate 78 and is prevented from coming off by a retaining ring 79 made of a conductive material while being in contact with the ground plate 78. In this case, a conductive back cover (not shown) that covers the housing portion 73 of the second electronic component 70 is attached to the lower surface of the device case 71, but the ground plate 78 is electrically connected to this back cover. It is something.

The second electronic component 70 having such a structure is
It is used by being assembled with the first electronic component 60. In order to perform this assembly, the bezel 8 is attached to the second electronic device 70.
0 is attached. The bezel 80 is rotatably attached to the upper surface of the device case 71 of the second electronic device 70, and an engaging protrusion 81 is formed on the outer peripheral portion thereof. The rotation of the bezel 80 causes the engagement protrusion 8 to move.
1 functions as a rotary plate that engages with the engaging groove 65 on the first electronic component 60 side, and the electronic components 60 and 70 are assembled to each other by the rotating operation of the bezel 80. As a result of this assembly, as shown in FIG.
The push button 76 presses the movable contact 64 to move the movable contact 6
4 is brought into contact with the fixed contact 65 of the switch plate 63, and the push button 76 itself comes into contact with the switch plate 75.
Thereby, the first and second electronic components 60 and 70 can be electrically connected.

In this embodiment, by providing the ground plate 78, there is an advantage that the electrostatic breakdown of the circuit board 74 on the second electronic component 70 side can be prevented. That is, the second electronic component 70, in its single state, has the push button 76.
Is projected from the device case 71 by the bias of the spring 77,
Static electricity easily enters from this protruding portion. on the other hand,
In the single state of the second electronic component 70, the retaining ring 7
The push button 76 and the ground plate 78 are in contact with each other via 9. Therefore, the static electricity from the push button 76 escapes from the ground plate 78 to the back cover and is grounded. This prevents static electricity from being conducted to the circuit board 74 and prevents the circuit board 74 from being damaged by static electricity.

[0034]

According to the electronic component attaching / detaching structure of the present invention, the two electronic components can be electrically connected by engaging the engaging members with each other, and the functions of the electronic components can be used in combination. Therefore, the usage pattern is increased. Further, according to the present invention, by disposing the rotary plate on one of the electronic components, providing the rotary plate with an engaging protrusion, and by engaging the engaging protrusion with the engaging groove of the other electronic component, The two electronic components can be easily assembled.

[Brief description of drawings]

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

FIG. 2 is a sectional view of an assembled state of the first embodiment.

FIG. 3 is a partial cross-sectional view of a second electronic component.

FIG. 4 is a plan view of the first embodiment before assembly.

FIG. 5 is a plan view of the first embodiment after assembling.

FIG. 6 is a plan view of a second electronic component according to the second embodiment.

FIG. 7 is a sectional view of a second embodiment.

FIG. 8 is a sectional view of a third embodiment before assembling.

FIG. 9 is a sectional view of an assembled state of the third embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 1st electronic component 2 2nd electronic component 3 Rotating body 4 Engagement protrusion 5 Engagement groove 13 Moving contact 18 Pin contact

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification number Internal reference number FI Technical indication location H01R 13/639 7354-5B H01R 13/639 Z (72) Inventor Koji Namiki 3 Sakaemachi, Hamura-shi, Tokyo 3 2-1-1 Casio Computer Co., Ltd. Technology Development Center

Claims (4)

[Claims] 1. A connection member for making an electrical connection is arranged at least two electronic parts arranged at mutually opposing parts, and is arranged so as to engage with these two electronic parts,
An engaging / disconnecting structure for an electronic component, comprising: an engaging member that brings the connecting member into an electrically connected state by the engagement. 2. A connection member for making an electrical connection has at least two electronic parts arranged at mutually opposing parts, and an engaging projection, and is rotated to one of the two angel parts. A rotatable plate that is attached so that the engaging protrusion slides, and when the engaging protrusion slides in one direction, the two electronic components are brought closer to each other, and when the engaging protrusion slides in multiple directions, two electronic components are moved. An engagement / detachment structure for an electronic component, comprising: an engagement groove having a shape for separating the component and formed in the other electronic component. 3. The attachment / detachment structure for an electronic component according to claim 1, wherein the two electronic components are formed in a shape in which opposing portions are fitted to each other. 4. A stopper pin, which is elastically engaged with the rotating plate when the rotating plate is rotated in the approaching direction of the two electronic components, is provided in the electronic component in the one direction. The detachable structure for an electronic component according to any one of claims 1 to 3, which is characterized in that.