JP2001068211A - Electronic apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To remove a housing cover and a connector with a single operation and to prevent disconnection of a cable and breake of the connector. SOLUTION: This electronic apparatus is composed of: a printed circuit board connector provided with mutually fittable male and female connector housings one of which is a first connector housing 9 connected to an end of a cable 13 and the other of which is a second connector housing 8 mounted on a printed circuit board; a housing base 11 with the printed circuit board 10 fixed; and a housing cover 12 detachably attached to the housing base 11. In this case, on the first connector housing 9 and the housing cover 12, lock means 9a, 12a for locking them to each other are formed, so that the first connector housing 9 is disconnected from the second connector housing 8 by removing the housing cover 12 from the housing base 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic device in which a connector can be easily removed.

[0002]

2. Description of the Related Art A printing device having functions such as a printer, a copying machine, and a facsimile, or a composite electronic device such as a computer or a word processor, or an electronic device such as a workstation is provided with a printed circuit board on which electronic components such as an IC are mounted. Is installed. Further, a connector for connecting the printed board to various devices, a power supply, and the like is mounted on the printed board.

Conventionally, in these electronic devices, a printed circuit board is fixed on a printed circuit board supporting rib 11a provided on a housing base 11 by fixing means (not shown) such as screws as shown in FIG. A connector is connected to the printed circuit board 10 for connection. Usually, the connector includes a female connector housing 8 mounted on a printed circuit board,
The male connector housing 9 to which the end of the cable is connected is fitted so that electrical continuity is established. And
The housing cover 12 is locked and attached to the housing base 11 by claws 12b.

In a conventional electronic device, a printed circuit board structure and a housing cover structure are independent from each other, and consideration is given to forming an optimum arrangement position and a shape in each electronic device. It was generally done.

[0005]

However, in order to disassemble the electronic device main body as shown in FIG. 8, first, the operation of removing the housing cover 12 is performed, and then the male device is disassembled. It is necessary to remove the connector housing 9 from the female connector housing 8. for that reason,
The disassembly of the electronic device body requires at least two operations, which is troublesome and increases the time required for the disassembly operation. Particularly, in recent years, the technology of electronic devices has advanced and the electronic circuits have tended to be complicated. Therefore, connectors for connecting a printed circuit board to various devices, a power supply, and the like have also been integrated and tended to increase. Therefore, in recent electronic devices, a plurality of connectors are usually provided. Therefore, in order to disassemble one electronic device, it is necessary to extract a plurality of connectors, and the time required for extracting the connector with respect to the disassembling operation time of the entire electronic device occupies a considerable proportion.

[0006] Also, from the viewpoint of resource saving, it is important to consider whether electronic devices can be easily recycled. When recycling electronic devices, it is necessary to reduce the time required for disassembly and increase the work efficiency. Therefore, if the time required for the operation of extracting these connectors can be reduced, the disassembling operation can be performed more speedily, and time and human resources can be saved.

Further, when disassembling the electronic equipment for repair, it is necessary to once remove the connector. However, when the male connector housing 9 is removed from the female connector housing 8, the hand slips. In some cases, a force may be applied to the cable portion of the male connector housing 9 due to the work error, and the core wire of the cable may be broken or the male connector housing 9 may be damaged.

SUMMARY OF THE INVENTION An object of the present invention is to provide an electronic apparatus which can remove a housing cover and a connector by a single operation, and can prevent a cable from being broken or a connector from being damaged. It is in.

[0009]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention comprises a mutually matable male and female connector housing, one of which is a first connector housing connected to the end of a cable. The other includes a printed circuit board connector as a second connector housing mounted on the printed circuit board, a housing base to which the printed circuit board is fixed, and a housing cover detachably attached to the housing base. In the electronic device, the first connector housing and the housing cover are provided with locking means for locking the both, and the housing cover is detached from the housing base, whereby the first connector housing is connected to the second connector housing. It is characterized by being more extracted.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. In each embodiment, the connector housing mounted on the printed circuit board will be described as a female connector housing, and the connector housing to which the end of the cable is connected will be described as a male connector housing. However, the sex of the connector housing may be reversed. .

(First Embodiment) FIG. 1 is a sectional view showing the configuration of an embodiment of an electronic apparatus according to the present invention.

A female connector housing 8 is mounted on the printed circuit board 10. Although not shown, the connection terminals in the female connector housing 8 and the circuit on the printed board are connected. On the other hand, the end of the cable 13 is connected to the male connector housing 9. The electrical conduction is completed by fitting the male connector housing 9 into the female connector housing 8. Printed circuit board 1
0 is a printed circuit board supporting rib 11 provided on the housing base 11
a. The hatched portion indicates the installation surface of the electronic device main body.

FIG. 2 is a sectional view for explaining a state in which the housing cover 12 and the male connector housing 9a are removed. The housing cover 12 is provided with claws 12 b for fitting the housing cover 11 to the housing base 11.
And the housing base 11 are removable.

1 and 2, the male connector housing 9 is provided with a locking claw 9a.
The claw receiving portion 12a is extended toward the locking claw 9a from above, and both are locked by the locking claw 9a and the claw receiving portion 12a.

To assemble the electronic equipment, the male connector housing 9 with the end of the cable connected thereto is inserted into the female connector housing 8 mounted on the printed circuit board 10 and fitted together. By being mounted on the base 11, a locking claw 9 a provided on the female connector housing 9 and a claw receiving portion 12 a provided on the housing cover 12 are provided.
Are engaged, and the housing cover 12 and the male connector housing 9 are locked.

Therefore, the housing cover 12 is attached to the housing base 11.
When the connector is removed from the housing, the male connector housing 9 locked to the housing cover 12 is also pulled out from the female connector housing 8, so that the housing cover and the connector can be simultaneously and simply removed by one operation at a low cost. be able to.
Further, since the claw receiving portion 12a is locked by the locking claw 9a, a force in the pull-out direction is reliably applied to the male connector housing 9, so that no excessive force is applied to the cable portion. Breakage of the cable 13 or breakage of the male connector housing 9 can be prevented.

(Second Embodiment) FIGS. 3 and 4 show a second embodiment of the present invention. When there are a plurality of connectors, a locking claw 9a may be provided on each male connector housing 9 and a plurality of claw receiving portions 12 corresponding to the housing cover 12 may be provided as shown in FIG. By adopting such a configuration, a plurality of male connector housings 9 can be provided.
Are locked to the housing cover 12, respectively. Therefore, when the housing cover 12 is removed as shown in FIG. 4, each male connector housing 9 locked to the housing cover 12 is pulled out from each female connector housing 8, and the same as in the first embodiment. The effect can be obtained.

(Third Embodiment) FIGS. 5 and 6 show a third embodiment of the present invention. In FIG.
Reference numeral 4 is provided by a member different from the housing cover 12, and is fitted to the housing cover 12. For example, when the nail receiving portion cannot be formed integrally with the housing cover 12 due to molding reasons or the like, the nail receiving portion 14 formed of a separate member may be provided as in the present embodiment. The same effect as that of the embodiment can be obtained.

[0019]

As described above, in the electronic device according to the first aspect, the housing cover and the connector can be removed simultaneously and simply and inexpensively by a single operation. Further, there is an excellent effect that an excessive force is not applied to the cable and disconnection of the cable or breakage of the connector can be prevented.

In the electronic device according to the second aspect, in addition to the above effects, even with a printed circuit board having a plurality of connectors, the housing cover and the plurality of connectors can be simultaneously removed by a single operation.

In the electronic device according to the third aspect, the same effect as described above can be obtained even when the claw receiving portion cannot be formed integrally with the housing cover due to molding reasons.

In the electronic device according to the fourth aspect, the first connector housing and the housing cover can be locked with a simple configuration, and the same effects as described above can be obtained.

[Brief description of the drawings]

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

FIG. 2 is an explanatory cross-sectional view when removing a housing cover of the first embodiment.

FIG. 3 is a sectional view of a second embodiment of the present invention.

FIG. 4 is an explanatory cross-sectional view when a housing cover of the second embodiment is removed.

FIG. 5 is a sectional view of a third embodiment of the present invention.

FIG. 6 is an explanatory sectional view when a housing cover of the second embodiment is removed.

FIG. 7 is a sectional view showing the structure of a conventional printed circuit board and a housing.

FIG. 8 is an explanatory sectional view when a conventional housing cover and connector are removed.

[Description of Signs] 8 Female connector housing 9 Male connector housing 9a Engagement claw 10 Printed circuit board 11 Housing base 11a Printed circuit board support rib 12 Housing cover 12a Nail receiving portion 12b Nail 13 Cable 14 Nail receiving portion (Housing A member different from the cover)

Claims (4)

[Claims] 1. A connector housing comprising: a first connector housing connected to an end of a cable; and a second connector housing mounted on a printed circuit board. A printed circuit board connector, a housing base to which the printed circuit board is fixed, and an electronic device including a housing cover detachably attached to the housing base, wherein the first connector housing and the housing cover include: An electronic device, wherein a first connector housing is removed from a second connector housing by providing a locking means for locking the both, and removing the housing cover from the housing base. 2. The electronic apparatus according to claim 1, wherein a plurality of connectors are provided, and a plurality of locking means for locking each of the first connector housing and the housing cover are provided. 3. The electronic device according to claim 1, wherein the member of the locking means provided on the housing cover is a member different from the member of the housing cover. 4. A locking means, wherein a locking claw is provided on the first connector housing, a claw receiving portion extending from the first connector housing is provided on the housing cover, and the locking claw and the claw receiver are provided. The electronic device according to any one of claims 1 to 3, wherein the electronic device is a means for locking with a part.