JP2508759Y2 - Cleaner for printed circuit board connector - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a cleaner for cleaning contacts of a printed circuit board connector.

[0002]

2. Description of the Related Art Printed circuit board connectors have come into widespread use as labor-saving and high density internal mounting methods for electronic devices using printed wiring boards have been developed. Especially, card edge type connectors are small and economical. , Electrical connections in various industrial electronic devices or computers, and more recently, it has been widely used as a connector for connecting a ROM cartridge containing a program in a home computer or game machine to a main body.

By the way, in this type of connector, metal powder or the like is liable to adhere to the contacts due to frequent insertion and removal, which often causes poor contact. Therefore, various types of cleaners for printed circuit board connectors have been proposed in the past.
There is one described in Japanese Patent Publication No. 86. This is to clean the contacts of the connector by inserting / removing a cleaning tool fixed to the end of the flat plate into / from the connector.

[0004]

In the above-mentioned conventional cleaner for a printed circuit board connector, the cleaning tool cannot be replaced. Therefore, if the cleaning tool is used several times and the cleaning tool gets dirty, the cleaner is thrown away, which is extremely uneconomical. .

In view of the above-mentioned drawbacks, the present invention provides a cleaner for a printed circuit board connector in which the cleaning tool can be replaced quickly and easily.

[0006]

The structure of the present invention for achieving the above object will be described with reference to the drawings corresponding to the embodiments. First, the first aspect of the present invention is a central base frame portion 12 and an anastomosis thereof. A pair of connector fitting portions 2 and 3 having different fitting diameters are provided at both ends of the cleaner main body 1 including the bearing frame portion 14 and the connector fitting portions 2 and 3 are the central base frame portion 12 respectively. End base frame parts 7 and 7 integrally formed at both ends of the
If, repressive to said end base frame portions 7 about the該枢attachment part 11, 11 with one end between the central portion base frame portion 12 and the bearing frame 14 is pivotally mounted And a pair of opening / closing frame parts 8 and 8 which are anastomosed so that they can be opened and closed. It adopts a configuration in which it is sandwiched as much as possible.

A second aspect of the present invention is the cleaner body 1
A concave portion 4 is formed on the back surface side of the central base frame portion 12, and the auxiliary cleaning tool 5 is removably housed in the concave portion 4.

[0008]

According to the above construction, one of the connector fitting portions 2 or 3 corresponding to the female connector 6 or 16 of a game machine or the like composed of a family computer is provided.
The plate-like cleaning tool 9 of the connector fitting portion 2 or 3 can be inserted between the contact points 6a or 16a of the female connector 6 or 16 by simply inserting the contact point 6a or 1
6a can be reliably cleaned. Further, the opening / closing frame portion 8 of the connector fitting portion 2 or 3 is slightly strongly opened from the end base frame portion 7 around the pivotally attaching portion 11,
The opening / closing frame part 8 can be separated from the end base frame part 7, whereby the plate-like cleaning tool 9 sandwiched between the end base frame part 7 and the opening / closing frame part 8 can be easily removed. You can
After a new plate-like cleaning tool 9 is fitted into the end base frame part 7, the open / close frame part 8 is pressed against the end base frame part 7 and anastomosed, and the space between the two frame parts 7 and 8 is reduced. Plate cleaning tool 9
Can be securely clamped.

[0009]

1 to 3 show a cleaner for a printed circuit board connector according to an embodiment of the present invention. The cleaner body 1 is made of a hard synthetic resin, preferably ABS resin having an antistatic function. The central base frame portion 12 and the bearing frame portion 14 which is detachably anastomosably attached to the central base frame portion 12 are main components. The cleaner body 1 is provided with connector fitting portions 2 and 3 having different fitting diameters at both ends thereof.
A concave portion 4 is formed on the back surface side of the central base frame portion 12, and the auxiliary cleaning tool 5 is detachably engaged with the concave portion 4.

As shown in FIG. 1, the connector fitting portion 2 on one side is for fitting into a female connector 6 of a game machine composed of a family computer, for example, Famicon (trademark / Nintendo). Of the central base frame portion 12 integrally formed with both ends of the flat substantially U-shaped end base frame portion 7, and a similar flat substantially U-shaped opening / closing frame that is arranged so as to face the end base frame portion 7. And a plate-like cleaning tool 9 is sandwiched between the frame parts 7 and 8.

The plate-like cleaning tool 9 is, as shown in FIG.
A rectangular, water-absorbent felt of the same thickness as the card edge (ie, male connector) made of a printed circuit board,
It is made of woven cloth, non-woven cloth, paper, embroidery cloth, etc., and has a through hole 9a penetrating through the central portion thereof fitted into a shaft-like projection 7a protruding from the end base frame portion 7, and a peripheral plate-like projection. Parts 7b, 7b
By being fitted in between, the end base frame portion 7 of the connector fitting portion 2 and the opening / closing plate portion 8 that is anastomosed with the end base frame portion 7 are locked in place without shaking.

As shown in FIGS. 3 and 4, the opening / closing frame portion 8 has a pair of pivot shafts 11 and 11 integrally formed at a base end portion thereof via an arm 10 to form a cleaner body 1. It is sandwiched between a central base frame part 12 and an upper bearing frame part 14 fixed to a screw 13 (FIG. 2) from above and anastomosed, and pivotally attached to the cleaner body 1 in an openable and closable manner.

Further, as shown in FIG. 6, the tubular frame 8a and the plate-shaped projection 8b are provided on the opening / closing frame 8 so as to face the shaft-shaped projection 7a and the plate-shaped projection 7b on the end base frame 7 side. Of the opening / closing frame portion 8 by projecting and engaging or press-contacting the respective protruding portions 7a, 7b, 8a, 8b facing each other.
It is slightly repressive to engage against the.

As shown in FIG. 2, the other connector fitting portion 3 is for fitting into the female connector 16 for Super Famicon (trademark / Nintendo), and is the same as the one connector fitting portion 2 described above. Since they have almost the same structure, the same parts are designated by the same reference numerals and the description thereof will be omitted (see FIG. 7).

The cleaning procedure will be described. First, when cleaning the female connector 6 for Famicon having a small fitting inner diameter, the cleaning liquid is dipped into the side edge portion of the plate-like cleaning tool 9 of the connector fitting portion 2 on the tip side. After inserting, the connector fitting portion 2 may be fitted into the fitting hole 18 of the female connector 6 (see FIG. 1). As a result, the plate-like cleaning tool 9 is fitted between the contacts 6a of the female connector 6 and the dirt on the contacts 6a is wiped off.

[0016] If the side edge portions of the front end side of the plate-like cleaning tool 9 is dirty, as shown in phantom lines in FIG. 4, the end base frame part 7
Repression to simply open and to pull against the free end to the suppression force closing frame portion 8 which engages about its pivot point 11, the end base frame plate-like cleaning tool 9 If it is taken out from the portion 7, turned upside down, fitted into the end base frame portion 7 again, and closed by pressing the open / close frame portion 8, the open / close frame portion 8 is engaged with the end base frame portion 7. Good. As a result, the plate-shaped cleaning tool 9
You can effectively use both the front and rear edges of the
The plate-like cleaning tool 9 can be easily replaced by a similar method, and can be easily operated by children and infants who are lovers of game machines such as NES.

When cleaning the female connector 16 for super-famicon having a large fitting inner diameter, after the cleaning liquid is soaked in the side edge portion of the connector fitting portion 3 on the tip side of the plate-like cleaning tool 9. The connector fitting portion 3 may be fitted into the fitting hole 19 of the female connector 16 (see FIG. 2). As a result, the plate-like cleaning tool 9 is fitted between the contacts 16a of the female connector 16 and the dirt on the contacts 16a is wiped off.
It is needless to say that the plate-like cleaning tool 9 can be turned upside down or replaced in the same procedure as described above.

The auxiliary cleaning tool 5 is, as shown in FIG.
A flat rectangular tube holder 20, and a rectangular plate-like cleaning piece 21 made of water-absorbent felt, woven cloth, non-woven cloth, paper, embroidery, etc., which is slidably inserted into the holder 20;
The holder 20 includes a pressing member 22 that fits into the rear end opening of the holder 20. In the assembled state, the tip of the leading cleaning portion 21 projects from the tip of the holder 20 (see FIG. 2).

The holder 20 corresponds to the cleaner body 1
It is made of the same material as, and has peep holes 26 formed on both front and back surfaces thereof.

The holding member 22 is composed of a grip portion 22a having the same outer diameter as the holder 20, and an insertion portion 22b which is removably inserted into the rear end opening of the holder 20. The insertion portion 22b is smoothly inserted and removed. In order to do so, the groove 23 is engraved horizontally and vertically on the outer peripheral surface of the insertion portion 22b.
By forming the concave portion 24 on the rear end surface of the a, the auxiliary cleaning tool 5 can be easily removed from the concave portion 4 by placing a finger on the concave portion 24. Further, by forming the rear end surface 25 of the holder 20 into a concave curved surface, the rear end surface 2
5, both end portions 25a, 25a are projected rearward so that the insertion portion 22b can be easily inserted into the holder 20 by using the both end portions 25a, 25a as guides.

As shown in FIG. 4, a small protrusion 27 is provided on the inner surface of the recess 4, and the elastic force peculiar to the synthetic resin of the small protrusion 27 and the holder 20 pressed against the protrusion 27 is utilized. The auxiliary cleaning tool 5 can be securely locked in the recess 4, and the auxiliary cleaning tool 5 can be easily removed from the recess 4.

The procedure of cleaning with the auxiliary cleaning tool 5 will be described. After the cleaning liquid is impregnated into the tip of the cleaning part 21 protruding from the tip of the holder 20, a male connector (not shown) is applied by the tip. Should be cleaned. Cleaning piece 21
If the tip of the holder is dirty, it may be removed from the holder 20, repeated, and inserted again into the tip opening of the holder 20. As a result, the front and rear ends of the cleaning piece 21 can be effectively used.

When both the front and rear ends of the leading cleaning piece 21 are soiled, the soiled cleaning piece 21 is pulled out from the tip of the holder 20 and inserted into the rear end opening of the holder 20. The insertion portion 22b of the pressing member 22 may be inserted into the rear end opening. As a result, since each cleaning piece 21 in the holder 20 is pushed forward, the holder 2
The tip of the next new cleaning piece 21 can be projected from the tip of 0.

[0024]

According to the present invention, a pair of connector fitting portions 2 and 3 having different fitting diameters are provided at both ends of the cleaner body 1 so as to project into the respective fitting holes 2 and 3 for cleaning the connector. Since the tools 9 are provided, it is possible to clean the connectors of two types of game machines and the like having different inner diameters.

In particular, according to the present invention, the connector fitting holes 2 and 3 have the end base frame portions 7 and 7 integrally formed at both ends of the center base frame portion 12, and the center base frame portion. 12 and repressive to the end base frame portions 7 about the該枢attachment part 11, 11 with one end between the bearing frame 14 is pivotally mounted
And a pair of opening / closing frame parts 8 and 8 that are anastomosed so as to be openable and closable to each other.
Since the plate-like cleaning tools 9, 9 are detachably sandwiched between the plate-like cleaning tools 9 and 9, and the plate-shaped cleaning tool 9 becomes dirty due to frequent use and needs to be replaced, the end base frame portion
The opening / closing frame 8 which is elastically anastomosed to the
Merely slightly stronger opening operation against the free end side of the elastic pressure force mainly, can be removed a plate-shaped cleaning tool 9 from the insertion portion 2, or 3, the new plate-like cleaning after removing the It is only necessary to fit the tool 9 into the end base frame portion 7 of the fitting portion 2 or 3 and to close the opening / closing frame portion 8 against the elastic force, so that the replacement work of the plate-like cleaning tool 9 is extremely easy. , Children and toddlers who are lovers of this kind of game console can easily replace it.

A second aspect of the present invention is the cleaner body 1
Since the concave portion 4 is formed on the back surface side of the central base frame portion 12 of and the auxiliary cleaning tool 5 for the male connector is detachably accommodated in the concave portion 4, both male and female connectors can be cleaned at the same time. Is.

[Brief description of drawings]

FIG. 1 is a perspective view of a cleaner for a printed circuit board connector, which is an embodiment of the present invention, viewed from the front side.

FIG. 2 is a perspective view seen from the back surface side.

FIG. 3 is an exploded perspective view of the same.

FIG. 4 is a longitudinal sectional view of the same.

FIG. 5 is a view taken in the direction of arrows AA in FIG. 4;

6 is a BB arrow view of FIG. 4;

FIG. 7 is a view on arrow CC of FIG.

FIG. 8 is an exploded perspective view of an auxiliary cleaning tool attached to the cleaner.

[Explanation of symbols]

 1 Cleaner Main Body 2, 3 Connector Fitting Part 4 Recessed Part 5 Auxiliary Cleaning Tool 7 End Base Frame Part 8 Opening / Closing Frame Part 9 Plate Cleaning Tool 11 Pivoting Shaft 12 Center Part Base Frame Part 14 Bearing Frame Part

Claims (2)

(57) [Scope of utility model registration request] 1. A pair of connector fitting portions having different fitting diameters are provided at both ends of a cleaner main body composed of a central base frame portion and a bearing frame portion anastomosed to the central base frame portion, and each connector fitting portion comprises: End base frame portions integrally formed at both ends of the central base frame portion, and one end is pivoted between the central base frame portion and the bearing frame portion and the pivotal portion is centered. above consists of a pair of opening and closing frame part to each end base frame portion is openable and closable anastomosis repressive, the plate-like cleaning tool between said pair of opening and closing frame part and the both end portions base frame portion A cleaner for a printed circuit board connector that is detachably clamped. 2. The cleaner for a printed circuit board connector according to claim 1, wherein a concave portion is formed on the back surface side of the central base frame portion of the cleaner body, and the auxiliary cleaning tool is detachably accommodated in the concave portion.