JPH0717192Y2 - Packaging equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a packaging device, and more particularly to a packaging device for a printed wiring board on which electronic components are mounted, for example, a control unit for automobile electrical components. Regarding what is effective to use.

[Conventional technology]

As a packaging device applied to a headlight control unit, which is an example of a control unit for automobile electrical equipment, there is, for example, the one shown in FIG. That is, this packaging device is a packaging device for the printed wiring board 1 which is formed in a quadrangular plate shape, has electronic components and the like mounted on one main surface 2, and the coupler 4 is disposed on one end side. The printed wiring board 1 is provided with a case 6 which is inserted from one end opening 8 to surround the printed wiring board 1 and a cover 10 which covers the case 6 so as to close the one end opening 8.
The cover 10 has a coupler insertion hole 13 into which the coupler 4 is inserted. Then, in order to prevent the external force applied to the coupler 4 by the counterpart component from being transmitted to the printed wiring board 1, a supporting stopper 20 contacts the inner surface of the case 6 to the upper portion of the back short side of the coupler 4. Is projected.

[Problems to be solved by the device]

However, in such a packaging device, as shown in FIG. 3, a stopper that supports the coupler 4 is used.
Since 20 is projected downward, the components mounted on the printed wiring board 1 are limited in height.

An object of the present invention is to provide a packaging device capable of preventing the external force applied to the coupler from being transmitted to the printed wiring board while suppressing the narrowing of the space inside the case.

[Means for Solving the Problems]

The packaging device according to the present invention is a packaging device for a printed wiring board 1 which is formed in a quadrangular plate shape, has electronic components and the like mounted on one main surface 2, and has a coupler 4 arranged at one end side. The apparatus is provided with a case 6 that inserts the printed wiring board 1 through one end opening 8 and surrounds it, and a cover 10 that covers the case 6 so as to close the one end opening 8. And a coupler insertion hole 13 for inserting the coupler 4 into the cover 10.
In the packaging device in which the stopper 14 is provided, a stopper 14 is arranged on one end side of the coupler insertion hole 13 facing the one main surface 2 of the printed wiring board 1 so as to project in the depth direction, and The claw portion 14 is configured so that its claw portion 15 engages with the rear end surface of the coupler 4, and a rib 16 is provided on the stopper 14 so as to abut on the inner surface of the opening 8 of the case 6. It is characterized by

[Action]

According to the above-mentioned means, the external force applied to the coupler 4 by the counterpart component is supported by the cover 10 via the stopper 14, so that the external force is not transmitted to the printed wiring board 1. Since this stopper is provided so as to project from the cover 10 to the inner side, the narrowing of the space above the printed wiring board 1 in the case 6 is minimized, and the size limitation of the components mounted on the printed wiring board 1 is avoided. Will be done.

〔Example〕

FIG. 1 is a partially omitted exploded perspective view showing a packaging device according to an embodiment of the present invention, and FIG. 2 is a side sectional view showing an assembled state.

In this embodiment, the packaging device according to the present invention is configured to package a headlight control unit, and the control unit includes a printed wiring board 1. The printed wiring board 1 is made of an insulating material such as glass epoxy resin and is formed in a square thin plate shape. One main surface (hereinafter, referred to as an upper surface) 2 of the printed wiring board 1 is electromagnetic. A plurality of electronic components (not shown) such as relays and microcomputers are mounted, and electrical wiring (not shown) is formed on the lower surface. On one end side (hereinafter referred to as front side end side) 3 on the upper surface 2 of the printed wiring board 1, a coupler 4 is arranged and fixed at a half position on one side. The coupler 4 is formed in a box shape in which the rear end surface is closed and the front end surface is opened, and a plurality of terminal members 5 are inserted into the hollow portion through the rear end closing wall. Then, the coupler 4 is configured so that the electrical wiring formed on the printed wiring board 1 is electrically connected to the external wiring via the mating coupler (not shown) inserted in the coupler 4 and the terminal member 5. It is configured.

This packaging device comprises a case 6 and a cover 10. The case 6 is made of an insulative resin and has a rectangular box-shaped cross section with an opening 8 on the front end face. The hollow portion 7 has a size capable of accommodating the printed wiring board 1. Has been formed. Also,
The case 6 has an opening 8 for removing the mold during resin molding.
It has a taper that gradually becomes thinner from the side. A plurality of claws 9 (four in the illustrated example) are formed in the opening 8 of the case 6 so that they can be respectively engaged with the engaging recesses 11 formed at the edge of the front end face of the cover 10. There is. Further, printed wiring board support grooves 6a, 6a are formed in parallel with each other on a pair of side walls located on both short sides of the rectangle on the inner surface of the case 6, and are recessed in a predetermined width and a constant depth in the front-rear direction. The grooves 6a, 6a are configured to support the printed wiring board 1 by inserting both side edges of the printed wiring board 1, respectively.

The cover 10 is made of a resin having an insulating property and is used for the case 6
It is formed in a rectangular plate shape that fits into the opening 8 of the. The cover 10 is provided with a plurality of engaging recesses 11 (4 in the illustrated example).
), The upper and lower side surfaces are disposed so as to face the respective claw portions 9 of the case 6 and are recessed, and the respective engagement recesses 11 are formed into rectangular groove shapes with which the claw portions 9 are respectively engaged. Has been formed.

A printed wiring board supporting groove 12 is arranged on the rear end surface of the cover 10 in a direction parallel to the long side of the cover 10 at a position below a coupler insertion hole 13 to be described later and is recessed at a constant width and constant depth. The support groove 12 faces the both support grooves 6a of the case 6, and thus supports the front end 3 of the printed wiring board 1 in cooperation with the both support grooves 6a.

In addition, a coupler insertion hole 13 is formed on the cover 10 so as to be moved close to one side, and the insertion hole 13 is formed to be large.
Is formed in a rectangular shape into which is inserted. On the rear end surface of the cover 10, a pair of stoppers 14 and 14 are evenly arranged on the upper end sides of the insertion holes 13 and are integrally projected so as to project in the depth (rear) direction. The claws 15 of the stoppers 14, 14 are formed in a claw shape that engages with the rear end surface of the coupler 4. Ribs 16 are provided on the upper surfaces of both stoppers 14 so as to project vertically upward. The upper surfaces of the ribs 16 are formed flush with the upper surface of the cover 10, and the cover 10 is fitted into the opening 8 of the case 6. In this state, the upper surface of the rib 16 is in contact with the inner surface of the opening 8 of the case 6.

Next, the assembling work of the printed wiring board, the case and the cover having the above-mentioned configuration and the operation thereof will be described.

When the cover 10 is assembled to the printed wiring board 1, the cover 10 is directly faced to the front side edge 3 of the printed wiring board 1,
The coupler 4 fixed to the printed wiring board 1 covers
It is inserted into the insertion hole 13 of 10. At this time, both stoppers
14 and 14, the claw portions 15 and 15 are placed on the upper surface of the coupler 4.

When the front edge 3 of the printed wiring board 1 is inserted into the support groove 12 recessed in the rear surface of the cover 10, the claw portions of both stoppers 14 are inserted.
15 are engaged with the upper shoulders on the rear end face of the coupler 4, respectively. Due to this engagement, the cover 10 is in a state of being connected to the printed wiring board 1 by the stoppers 14, 14 and the coupler 4.

After that, the printed wiring board 1 on which the cover 10 is assembled
Is inserted into the hollow portion 7 of the case 6 through the opening 8.
At this time, both side edges of the printed wiring board 1 are inserted into the both side support grooves 6a, 6a of the case 6, respectively. When the printed wiring board 1 is inserted all the way into the hollow portion 7 of the case 6, each claw portion 9 formed in the opening 8 of the case 6 is covered.
Engages with the respective engaging recesses 11 formed on the edge of the front end face of the. By this engagement, the case 6 and the cover
The printed wiring board 1 is surrounded by the case 6 and the cover 10. Also, case 6
The printed wiring board 1 is provided with a support groove in the cover 10 and the cover 10.
It is supported by 6a and 12 so as not to move. Further, the inner surface of the opening 8 of the case 6 is in contact with the upper surface of the rib 16 of the stopper 14, and the stopper 14 is pressed by the case 6.

When the mating part is connected to the coupler 4 of the packaging device assembled in this way, it is pushed into the mating coupler (not shown) 4, so that a backward pushing force is applied to the coupler 4. . If the coupler 4 is not supported, the pressing force to the coupler 4 will be transmitted to the printed wiring board 1 on which the coupler 4 is fixed, so that the coupler 4 may be detached from the printed wiring board 1 or the printed wiring board 1 may be removed. 1 is damaged.

However, in this embodiment, since the coupler 14 is engaged with the stoppers 14 and 14 projecting from the cover 10, the pressing force to the coupler 4 is supported by the cover 10 via both the stoppers 14 and 14. Will be done. Therefore, the occurrence of injury due to the transmission of the pressing force to the coupler 4 to the printed wiring board 1 is prevented.

Here, since the claw portion 15 of the stopper 14 engages with the upper shoulder portion of the coupler 4 and is in a state of receiving the pushing force to the rear, the stopper 14 tries to escape upward with the bias of the pushing force. To do. At this time, the upper surface of the rib 16 protruding from the stopper 14 is the case 6
Since the stopper 14 is in contact with the inner surface of the opening 8, the stopper 14 is prevented from escaping upward by the case 6 via the rib 16. Therefore, the claw portion 15 of the stopper 14 does not come off from the upper shoulder portion of the coupler 4, and the stopper 14 does not
Will surely support the pushing force to. Moreover, case 6
Has a taper that becomes thinner toward the rear, so that the pressing of the rib 16 by the inner surface of the case 6 is ensured by the elastic force.

[Effect of device]

As described above, according to the present invention, since the external force applied to the coupler 4 by the counterpart component is supported by the cover 10 via the stopper 14, the external force is not transmitted to the printed wiring board 1. And this stopper 14
Is protruded from the cover 10 to the back side, the narrowing of the space above the printed wiring board 1 in the case 6 is minimized, and the size limitation of the mounted components of the printed wiring board 1 is avoided. Become.

[Brief description of drawings]

FIG. 1 is a partially omitted exploded perspective view showing a packaging device according to an embodiment of the present invention, and FIG. 2 is a side sectional view showing an assembled state. FIG. 3 is a side sectional view showing a conventional example. 1 ... Printed wiring board, 2 ... Top surface (one main surface), 3 ...
... front end face, 4 ... coupler, 5 ... terminal member, 6 ... case, 6a ... support groove, 7 ... hollow part, 8 ... opening, 9
…… Claws, 10 …… Covers, 11 …… Engagement recesses, 12 …… Support grooves, 13 …… Coupler insertion holes, 14 …… Stoppers, 15 …… Stopper claws, 16 …… Ribs.

Claims (1)

[Scope of utility model registration request] 1. A packaging device for a printed wiring board 1, which is formed in a quadrangular plate shape, has an electronic component and the like mounted on one main surface 2, and has a coupler 4 on one end side. The printed wiring board 1 is provided with an opening 8 at one end.
A case 6 that is inserted from above and surrounds the case 6 and a cover 10 that covers the case 6 so as to close the opening 8 at one end are provided on the cover 10.
In a packaging device in which a coupler insertion hole 13 for inserting a connector is formed, a stopper 14 is arranged on one end side of the coupler insertion hole 13 facing the one main surface 2 of the printed wiring board 1, and the stopper 14 is disposed in the depth direction. The stopper 14 is configured so that its claw portion 15 engages with the rear end surface of the coupler 4, and the stopper 14 has a rib 16 on the opening 8 of the case 6. A packaging device, which is provided so as to abut an inner surface.