JP3637816B2 - Electrical information equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to electrical information equipment, and more specifically, has a structure in which a cover main body is superposed and integrally coupled to a base main body incorporating a main circuit board, and the base main body projects at least a pair of locking claws. The present invention relates to an electrical information device having a window hole portion opened on the back surface and having a structure in which an electronic component or a circuit component is inserted in the window hole portion.
[0002]
[Prior art]
FIG. 9 is an exploded perspective view showing a part of a conventional electrical information device.
[0003]
As shown in FIG. 9, the electrical information apparatus A ′ has a structure in which a cover body 200 is superposed on and integrally coupled to a base body 100 in which a main circuit board 101 is built.
[0004]
On the upper end side of the base body 100, a window hole portion 102 that opens to the back surface is opened, and a pair of locking claws 103 and 104 project inwardly on the upper and lower ends of the window hole portion 102. doing.
[0005]
The front ends of the locking claws 103 and 104 are provided with locking pieces 103a and 104a that protrude inward.
[0006]
The main circuit board 101 has a notch 101a so as to expose the locking claws 103 and 104.
[0007]
An electronic component such as a quick connection terminal and a switch, and a circuit component (hereinafter referred to as “electronic component etc.”) 105 are fitted into the window hole portion 102, and the fitted electronic component etc. 105 is fitted into the locking portion. It is configured to be clamped by the claws 103 and 104 and fixed.
[0008]
10 to 12 are exploded perspective views showing a fixing structure of an electronic component or the like in a conventional electrical information device.
[0009]
FIG. 10 shows a structure in which the electronic component 105 or the like is simply inserted into the window hole 102.
That is, when the electronic component 105 or the like is inserted into the window hole portion 102 of the base body 100 and is pushed in, the upper and lower edges 105a and 105a of the electronic component 105 or the like push the locking claws 103 and 104 apart. Insert. When the upper and lower edges 105a and 105a of the electronic parts 105 and the like get over the locking pieces 103a and 104a of the locking claws 103 and 104, the locking claws 103 and 104 are elastically deformed inward by the biasing force. Then, the locking pieces 103a and 104a engage with the upper and lower edges 105a and 105a of the electronic component 105 or the like. In this way, the electronic component or the like 105 is sandwiched and fixed by the locking claws 103 and 104.
[0010]
FIG. 11 shows a structure in which the electronic component 105 or the like is inserted into the window hole portion 102 and fixed with screws.
[0011]
Specifically, in addition to FIG. 10, a recess 105b through which the screw 110 is inserted is formed at one end of the electronic component 105 and the like, and the locking claw 104 corresponding to the recess 105b has a screw receiving portion. The part 106 is erected.
[0012]
That is, when the electronic component 105 or the like is inserted into the window hole portion 102 of the base body 100 and is pushed in, the upper and lower edges 105a and 105a of the electronic component 105 or the like push the locking claws 103 and 104 apart. Insert. When the upper and lower edges 105a and 105a of the electronic parts 105 and the like get over the locking pieces 103a and 104a of the locking claws 103 and 104, the locking claws 103 and 104 are elastically deformed inward by the biasing force. Then, the locking pieces 103 a and 104 a engage with the upper and lower edges of the electronic component 105 or the like.
[0013]
At this time, the screw receiving portion 106 and the recess 105b are overlapped, and the electronic component 105 can be fixed with the screw 110 by screwing the screw 110 into the screw receiving portion 106 through the recess 105b.
[0014]
In this way, the electronic component or the like 105 is sandwiched between the locking claws 103 and 104 and securely fixed with screws.
[0015]
FIG. 12 shows a structure in which the electronic component 105 or the like is inserted into the window hole portion 102 and is pressed and fixed.
[0016]
Specifically, in addition to FIG. 10, the cover main body 200 corresponding to the electronic component 105 or the like is provided with a rod-shaped presser rib 201 standing inward.
[0017]
That is, when the electronic component 105 or the like is inserted into the window hole portion 102 of the base body 100 and is pushed in, the upper and lower edges 105a and 105a of the electronic component 105 or the like push the locking claws 103 and 104 apart. Insert. When the upper and lower edges 105a and 105a of the electronic parts 105 and the like get over the locking pieces 103a and 104a of the locking claws 103 and 104, the locking claws 103 and 104 are elastically deformed inward by the biasing force. Then, the locking pieces 103a and 104a engage with the upper and lower edges 105a and 105a of the electronic component 105 or the like.
[0018]
Thereafter, when the cover body 200 is overlapped and integrally coupled to the base body 100, the presser rib 201 comes into contact with the electronic component 105, and the electronic component 105 can be fixed.
[0019]
In this way, the electronic component 105 is sandwiched between the locking claws 103 and 104 and is securely fixed by the presser rib 201.
[0020]
[Problems to be solved by the invention]
However, in the electrical information device A1 of FIG. 10, since the electronic component 105 is fixed only by the engagement by the locking claws 103, 104, the electronic component 105, for example, a load caused by vibration during transportation, and the like. There is a problem that the electronic component or the like 105 may be disengaged when a load due to the pressing is applied.
[0021]
On the other hand, in the electrical information device A2 of FIG. 11, the electronic component 105 is fixed with the screw 110, and thus there is no problem.
[0022]
However, since it is necessary to screw the electronic component 105 or the like 105 with the screw 110, there is a problem that the assemblability of the electrical information device A is poor.
[0023]
Further, since the electronic component 105 is completely fixed with the screw 110, the electronic component 105 cannot slide. In this case, there is a problem that the electronic component 105 cannot be used in the case of the electronic component 105 that needs to be slid like a slide switch.
Furthermore, in the electrical information apparatus A3 of FIG. 12, since the electronic component 105 is fixed by the presser rib 201, there is little possibility of disengagement.
However, when a pressing load is applied in the direction of the pressing rib 201 from the electronic component or the like 105 side, there arises a problem that the cover main body 200 may be detached from the base main body 100 via the pressing rib 201.
In addition, there is a problem that it is difficult to store components such as a CRT in the base body 100 due to the holding rib 201 being in the way.
[0024]
An object of the present invention is to solve such a problem, and to provide an electrical information device with excellent assemblability while securely fixing an electronic component or the like.
[0025]
[Means for Solving the Problems]
To achieve the above object, an electrical information apparatus according to claim 1, the base body having a built-in main circuit board, and to be integrally coupled by overlapping the cover body, the base body has at least a pair of engaging In the electrical information equipment having a structure in which electronic parts and circuit parts are inserted into the window hole part, the inner surface of the cover body has A restricting protrusion for restricting the elastic deformation of the engaging claw is formed at the outer side of the engaging claw.
[0026]
In claim 1 , when an electronic component or the like is inserted into the window hole portion of the base body, the electronic component or the like is fixed with a locking claw, and then the cover body is overlaid on the base body, the regulation formed on the inner surface of the cover body Since the protruding portion positions the locking claw outward and regulates the elastic deformation of the locking claw, even if the electronic component or the like receives a pressing force from the back surface of the base body, The position does not shift.
[0029]
Furthermore, in the electrical information device according to claim 1 , the locking claw formed in the window hole portion has one locking claw being hard and the other locking claw being formed flexibly. The pawl is regulated by a regulation projection formed on the inner surface of the cover body.
[0030]
According to a second aspect of the present invention , in the electric information device according to the first aspect , a pedestal portion on which the electronic component and the circuit component are placed is formed in the window hole portion.
[0031]
In the second aspect , the main circuit board can be mounted at a distance. According to a third aspect of the present invention, there is provided the electrical information device according to the first or second aspect, wherein a groove recess is formed on the inner surface of the base body to insert a regulating protrusion formed on the inner surface of the cover body.
[0032]
The electrical information device according to claim 4 is the electrical information device according to any one of claims 1 to 3 , wherein the circuit component inserted into the window hole is connected to the main circuit board with a harness and connected to the back surface opening side of the base body. A quick connection terminal with a connector.
[0033]
According to a fifth aspect of the present invention , in the electrical information device according to any one of the first to fourth aspects, the electronic information device is an interphone master unit.
[0034]
The electrical information device according to a sixth aspect is the electronic information device according to any one of the first to fifth aspects, wherein the electronic information device is a hands-free intercom base unit.
[0035]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, electrical information equipment A according to the present invention will be described with reference to the drawings.
FIG. 1 is an exploded perspective view showing a part of an electrical information device according to the present invention.
[0036]
This electrical information apparatus A has a structure in which a cover body 20 is overlapped and integrally coupled to a base body 10 in which a main circuit board 11 is built.
[0037]
On the upper end side of the base body 10, a window hole portion 1 that opens to the back surface is opened, and a pair of locking claws 2, 3 project inwardly on the upper and lower ends of the window hole portion 1. doing.
[0038]
The tips of the locking claws 2 and 3 are respectively provided with locking pieces 2a and 3a protruding inward.
[0039]
The main circuit board 11 has a notch 11a so as to expose the locking claws 2 and 3.
In the window hole portion 1, an electronic component 4 such as a quick connection terminal and a switch is inserted, and the inserted electronic component 4 is sandwiched between the locking claws 2 and 3 and fixed thereto. It is said.
[0040]
FIG. 2 is an enlarged sectional view showing a main part of the electrical information device according to the present invention.
In the present invention, when the cover main body 20 is integrally coupled to the inner surface of the cover body 20 and the base main body 10, the lock claw 2 is positioned outside the lock claw 2 of the window hole portion 1. It is characterized in that a restricting projection 21 for restricting the elastic deformation is formed.
In other words, since the locking claw 2 is restricted from opening outward by the restricting protrusion 21, even if the electronic component 4 receives a pressing load from the back side of the base body 20 as indicated by an arrow in the figure, for example. The upper and lower edges 41 and 42 of the electronic component 4 can be securely locked by the locking pieces 2a and 3a, and the electronic component 4 can be prevented from coming off. Further, even when a pressing load is applied from the cover body 20 side, the restricting protrusion 21 only presses against the base body 10 and the electronic component 4 does not receive the pressing load.
[0041]
Hereinafter, it explains in full detail based on drawing.
The window hole 1 is formed with a pedestal 1a on which the electronic component 4 or the like 4 is placed at an appropriate place. By forming the pedestal portion 1a, when the electronic component 4 is inserted, the electronic component 4 can be attached at a predetermined distance from the main circuit board 11.
[0043]
In this embodiment, among the locking claws 2 and 3 formed in the window hole portion 1, the locking claw 3 formed on the lower end side of the window hole portion 1 is formed of a hard material that cannot be elastically deformed. The locking claw 2 formed on the upper end side of the window hole portion 1 employs a flexible material.
[0044]
In this way, if at least one of the locking claws 2 and 3 is formed of a flexible material that is elastically deformed, the electronic component or the like 4 can be easily inserted and the electronic component or the like 4 is not damaged. .
[0045]
Further, a groove recess 12 into which the restricting protrusion 21 of the cover body 20 is inserted is formed on the outside of the locking claw 2. In FIG. 2, the locking claw 2 is erected by increasing the thickness of the restriction protrusion 21 from the side wall 10 a of the base body 10, thereby forming the groove recess 12.
For this reason, the latching claw 2 formed of a flexible material has a structure that is regulated by the regulation projection 21 of the cover body 20.
[0046]
As described above, if the groove recess 12 is formed adjacent to the base body 10, the restricting protrusion 21 does not become an obstacle when storing a component such as a CRT in the base body 10.
In addition, in the case of a quick connection terminal, the circuit component 4 fitted in the window hole 1 is connected by a main circuit board 11 and a harness (not shown) or a connection connector 43 provided on the back surface opening side of the base body 10. doing.
Furthermore, the electrical information device A is used as an interphone master unit or a hands-free interphone master unit.
The electrical information device A according to the present invention configured as described above is assembled as follows.
3 to 7 are assembly procedure diagrams of electrical information equipment according to the present invention.
[0047]
First, as shown in FIG. 3, an electronic component 4 or the like is inserted into the window hole portion 1 of the base body 10 from above. At this time, since the locking claw 2 of the window hole portion 1 is elastically deformed, if it is spread with a finger, it can be easily inserted without damaging the electronic component 4 or the like. The electronic component 4 is connected to the connection connector 43 as it is.
[0048]
Next, as shown in FIG. 4, after the electronic component 4 is completely inserted into the window hole portion 1, if the locking claw 2 is released, the locking piece portion 2 a Locks to the upper edge 41. At this time, the locking pieces 3 a of the other locking claws 3 are already locked to the lower edge 42 of the electronic component 4.
[0049]
Thereafter, as shown in FIG. 5, a part c such as a CRT is further stored in the base body 10 and attached thereto.
[0050]
After storing all the parts in the base body 10, as shown in FIG. 6, the restricting projection 21 of the cover body 20 is inserted toward the groove recess 12 of the base body 10, and the cover body 20 is used as it is. The body 10 is put on and joined together.
[0051]
This coupling results in the state shown in FIG. 2, and the regulation protrusion 21 is inserted into the groove recess 12 to regulate the elastic deformation of the locking claw 2 outward, and the electronic component 4 is securely locked. It is fixed by the claws 2 and 3.
[0052]
FIG. 7 shows this assembled state. FIG. 8 is a cross-sectional view of an essential part showing a reference example of the electrical information apparatus according to the present invention. This embodiment shows a case where both the locking claws 2 and 3 are made of a flexible material that can be elastically deformed. Illustrated.
[0053]
Further, the locking claws 2 and 3 are formed on the cover body 20 side, and the restricting protrusion 21 is formed on the base body 10 side.
[0054]
The electronic component 4 is assumed to be a slide switch that requires sliding.
[0055]
As shown in this reference example , the locking claws 2 and 3 can be formed on the cover body 20 side. That is, the groove recesses 12 and 12 adjacent to the locking claws 2 and 3n are formed by forming the ribs 2b and 3b, respectively, at intervals to the outside of the locking claws 2 and 3. .
[0056]
On the other hand, on the inner surface of the base body 10 at positions corresponding to the groove recesses 12, 12, restricting protrusions 21, 21 that restrict the elastic deformation of the locking claws 2, 3 are provided. .
[0057]
In the case of this reference example, after the electronic component 4 is sandwiched between the locking claws 2, 3, the groove recesses 12, 12 of the cover body 20 are fitted toward the restriction protrusions 21, 21. If inserted, similarly to the above, the locking claws 2 and 3 can restrict elastic deformation by the restricting protrusions 21 and 21, and the same effect as described above can be obtained.
[0058]
Further, since the electronic component 4 is covered from the cover main body 10, even if it is a component that requires sliding such as a slide switch, the cover main body 20 corresponds to the window hole portion 1. If the horizontally long hole portion 1 ′ is formed, the electronic component 4 can be slidable in the left-right direction, and can be used for the electronic component 4 that slides from the outside of the cover body 10. it can.
[0059]
【The invention's effect】
According to the electrical information device of the present invention, when an electronic component or the like is inserted into the window hole portion of the base main body, the electronic component or the like is fixed with the locking claw, and then the cover body is overlaid on the base main body, Since the restricting protrusion formed on the inner surface of the cap restricts the elastic deformation of the engaging claw by positioning the engaging claw outward, even if an electronic component receives a pressing force from the back surface of the base body, It does not come off easily.
[0060]
Therefore, even if it receives the load by the vibration during conveyance and the load by other presses, there is no possibility that the said electronic components etc. will be disengaged.
[0061]
In addition, since the electronic parts and the like are easily fitted into the window hole portion and fixed with the locking claws without being fixed with screws, it is not necessary to perform the screwing operation, and the assembling property of the electric information device is good.
[0063]
In addition, the electronic component or the like does not come off regardless of the direction from which the electric information device is subjected to a pressing load, and the load is not directly applied to the regulating projection from the electronic component or the like side. It does not come off the main body.
[0064]
In addition, if the restricting protrusion is inserted into the groove recess adjacent to the side wall of the cover body, the restricting protrusion does not get in the way when a component such as a CRT is stored in the base body.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view showing a part of an electrical information device according to the present invention. FIG. 2 is an enlarged sectional view showing a main part of the electrical information device according to the present invention. Assembly procedure diagram (state before inserting electronic parts, etc.)
FIG. 4 is an assembly procedure diagram of electrical information equipment according to the present invention (in a state where electronic parts are inserted).
FIG. 5 is an assembly procedure diagram of electrical information equipment according to the present invention (in a state where a CRT is incorporated).
FIG. 6 is an assembly procedure diagram of the electrical information device according to the present invention (a state in which the cover main body is overlapped with the base main body while the regulating protrusion is aligned with the groove concave portion).
FIG. 7 is an assembly procedure diagram of electrical information equipment according to the present invention (state in which electrical information equipment is assembled).
FIG. 8 is a cross-sectional view of an essential part of a reference electrical information device according to the present invention. FIG. 9 is an exploded perspective view showing a part of a conventional electrical information device. FIG. Disassembled perspective view showing simple fixing structure (simple insertion type)
FIG. 11 is an exploded perspective view (screw fixing type) showing a fixing structure of an electronic component or the like in a conventional electrical information device.
FIG. 12 is an exploded perspective view (rib fixing type) showing a fixing structure for electronic components and the like in a conventional electrical information device.
[Explanation of symbols]
A Electrical Information Equipment 1 Window Hole 1a Pedestal 11 Main Circuit Board 12 Groove Concavity 2, 3 Locking Claw 21 Regulating Projection 4 Electronic Component 43 Connection Connector

Claims (6)

The base body has a structure in which the main body of the main circuit board is built and the cover body is overlapped and integrally joined. The base body has a window hole portion that is open at the back surface and has at least a pair of locking claws protruding therefrom. In the electrical information equipment having a structure in which electronic parts and circuit parts are inserted in the window hole part,
On the inner surface of the cover body, a restricting protrusion is formed that is positioned outside the engaging claw and restricts elastic deformation of the engaging claw, and the engaging claw formed in the window hole is One of the locking claws is hard, the other locking claw is formed flexibly, and the other locking claw is regulated by a regulating projection formed on the inner surface of the cover body. machine. 2. The electrical information device according to claim 1, wherein a pedestal portion on which an electronic component and a circuit component are placed is formed in the window hole portion. 3. The electrical information device according to claim 1, wherein a groove recess is formed on the inner surface of the base body to insert a regulation protrusion formed on the inner surface of the cover body. In any one of claims 1 to 3, the circuit component to be fitted into the window hole portion, and the main circuit board are connected by a harness, a quick connect terminal provided with a connector on the back opening side of the base body electric Information equipment. In any one of claims 1-4, Electrical information device electronic information device, a interphone parent device. In any one of claims 1 to 5, the electrical information device electronic information device is a hands-free intercom master unit.

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