JP2000077137A - Pulling-out preventing female outlet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a low-cost pulling-out preventing female outlet with a simple structure capable of previously preventing trouble caused by careless detachment of a male plug put thereinto from occurring. SOLUTION: This female outlet has a pair of female contacts 3, which respectively contact with a pair of male contacts 11 when a male plug 10 is put thereinto. When the male plug 10 is put into the female outlet, a pulling-out preventing pin 14 locks with a lock hole 12 of the male contact 11 so as to prevent pulling-out of the male plug 10. This pulling-out preventing pin 14 is pierced through a through-hole 3c of an outer contact piece 3b of the female contact 3 so that its tip elastically abuts an inner contact piece 3a, while the lock of the pulling-out preventing pin 14 can be released by a lock release means 15.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an improved technique for a female retaining socket.

[0002]

2. Description of the Related Art Many male plugs of household electric appliances, office automation equipment, electric motors for construction and the like have a pair of parallel male contacts, and a male outlet inserted into a female outlet is inadvertent. If it deviates, a trouble may occur. Further, even if the male contacts are not inserted halfway, there is a possibility that a fire may be caused by overheating of the contacts. Therefore, a female outlet for retaining the socket is required. As a conventional example of this type of female outlet socket, for example, Japanese Unexamined Patent Publication No. 1-298661 discloses the one shown in FIG. .

[0003] In this female retaining plug 100, a pair of power supply terminal plates 2, 2 are provided with female contacts 3, 3 each having an arc shape, and an inner contact piece 3 constituting each female contact 3 is formed.
a is provided with two projections 4 and 5 on the contact surface, and by inserting the male contact 11 of the male plug, each male contact 11
The projection 4 is engaged with the engagement hole 12 that has been opened, so that it is prevented from coming off. Further, by turning the male plug in the counterclockwise direction, the male contact 11 rides on the other protrusion 5 and pushes each inner contact piece 3a toward the small diameter side (inside),
The engagement of the projection 4 is released. Then, as shown in FIG. 3B, each power supply terminal plate 2 is made of a single conductive spring plate member, and each of the male contacts 11 is elastically held between the facing contact pieces 3a and 3b. Reference numeral 7a in FIG. 3A indicates a base main body on which the pair of power supply terminal plates 2 is mounted, which is covered with a cover (not shown).

[0004]

According to the above prior art, the male contact 11 of the male plug is prevented from coming off.
The female retaining plug 100 is extremely expensive due to its complicated configuration. That is, each facing contact piece 3 of the power supply terminal plate 2
Since a and 3b are integrally formed by a conductive spring plate member and have a complicated form, the base body 7a and the cover have to be formed in a complicated form. For this reason, the cost of each of these molds is expensive, and the female retaining plug itself becomes expensive. The present invention has been made in view of such circumstances, and prevents a trouble caused by a careless removal of a male outlet inserted into a female outlet, and at the same time, a simple configuration and an inexpensive female retainer. The technical task is to provide an outlet.

[0005]

The present invention is configured as follows to solve the above-mentioned problems. The invention according to claim 1 has the following basic configuration. That is, by inserting the male plug 10, a pair of male contacts 11
11 is provided with a pair of female contacts
The engaging member 14 is inserted into the engaging hole 12 formed in the male contact 11.
Are engaged so as to prevent the male plug 10 from coming off.

According to a first aspect of the present invention, in the female retainer outlet having the above-described basic configuration, the engaging member is constituted by a retainer pin.
4 is a through hole 3c formed in the outer contact piece 3b of the female contact 3
, And the distal end thereof is configured to resiliently contact the inner contact piece 3a, and the engagement of the retaining pin 14 is released by the engagement release means 15 and 21. Things.

According to a second aspect of the present invention, in the female retainer according to the first aspect, the engagement releasing means 15 is constituted by a lever member 15.
Is connected to the base end of the retaining pin 14 at one end.

According to a third aspect of the present invention, in the female retainer according to the first aspect, the engagement releasing means 15 is constituted by a wedge member 21, and the wedge member 21 is connected to the retaining pin 14. It intersects with an inclined guide hole 14a formed in the retaining pin 14 so as to intersect.

[0009]

According to the present invention, the following functions and effects are obtained. (A) According to the first aspect of the present invention, in the female retaining socket having the basic configuration, the engaging member 14 is constituted by the retaining pin 14, and the retaining pin 14 is provided outside the female contact 3. An engaging hole 12 penetrating through the through hole 3c formed in the contact piece 3b and having a distal end formed in the male contact 11
Therefore, it is possible to prevent a trouble that the male outlet 10 inserted into the female outlet 1 is accidentally disconnected.

(B) In the female outlet 1, a retaining pin 14 is attached to the existing female outlet, and the retaining pin 14 is attached to the outer contact piece 3b of the female contact 3.
Inexpensive female retaining outlets can be provided with a simple configuration in which only the through-hole 3c is made and the retaining release means 15 and 21 of the retaining pin 14 are simply provided.

(C) According to the second aspect of the present invention, in the female retainer according to the first aspect, the engagement releasing means 15 is constituted by the lever member 15, so that the configuration of the engagement releasing means 15 is achieved. Becomes simple. Further, since the base end of the retaining pin 14 is connected to one end of the lever member 15, the engagement of the retaining pin 14 can be performed by a simple operation of pressing the other end of the lever member 15. Can be canceled.

(D) According to the third aspect of the present invention, in the female-type retaining outlet according to the first aspect, the engagement releasing means 15 is constituted by a wedge member 21, and the wedge member 21 is retained by the wedge member. Since the pin 14 intersects with the inclined guide hole 14a formed in the retaining pin 14, the female outlet is also provided with the retaining pin 14 and the engagement releasing means 15, Wedge member 2 from the insertion side of male plug 10
The engagement of the retaining pin 14 can be released by a simple operation of only pressing 1.

[0013]

Embodiments of the present invention will be described below in more detail with reference to the drawings. FIG. 1 is a cutaway view of a main part of a female retaining socket according to a first embodiment of the present invention. The female retainer outlet 1 is provided with a pair of male contacts 11 by inserting a male plug 10.
And a pair of female contacts 3 respectively contacting the male contact 11, and a retaining pin 14 is inserted into an engagement hole 12 formed in the male contact 11.
Is engaged so as to prevent the male plug 10 from coming off.

That is, the female socket 1 is
The engagement member is constituted by a retaining pin 14 and the engagement release means is constituted by a lever member 15.
5 is connected to the base end of the retaining pin 14 at one end, and the lever member 15 is attached to a swinging fulcrum 8 projecting from the side surface of the insulating frame 7 with a set screw 16 so that the lever member 1
5 is elastically urged toward the pin engagement side by the compression spring 17,
The retaining pin 14 is configured to penetrate through the through hole 3c formed in the insulating frame 7 and the outer contact piece 3b of the female contact 3 so that the tip of the pin 14 elastically contacts the inner contact piece 3a.

As shown in FIG. 1, the tip of the retaining pin 14 is formed so as to form an inclined guide surface, and allows the male contact 11 of the male plug 10 to be inserted. In this state, the tip of the retaining pin 14 engages with the engaging hole 12 formed in the male contact 11 and elastically contacts the inner contact piece 3a to prevent the male contact 11 from falling off. As a result, the male outlet 10 inserted into the female outlet 1
Can be prevented beforehand due to accidental disconnection. Further, the other end of the lever member 15 is connected to the compression spring 1.
By pressing against the elastic force of 7, the engagement of the retaining pin 14 can be released.

According to the above configuration, the retaining pin 14 is attached to the existing female outlet, and the through-hole 3c of the retaining pin 14 is formed in the insulating frame 7 and the outer contact piece 3b of the female contact 3. In addition, an inexpensive female retaining socket can be provided with a simple configuration in which the engagement releasing means 15 of the retaining pin 14 is simply configured by the lever member 15. Also, one end of the lever member 15 is provided with the retaining pin 14.
Since the base end portions are connected, the engagement of the retaining pin 14 can be released by a simple operation of simply pressing the other end portion of the lever member 15. The compression spring 17 can be omitted by replacing the swing fulcrum 8 protruding from the side surface of the insulator 7 with a compression winding spring that is a member separate from the insulator 7.

FIG. 2 shows a second embodiment of the present invention. FIG. 2 (A) is a front view of a double female retainer socket for a power source embedded in a wall, and FIG. 2 (B) is a diagram. B in 2 (A)
FIG. 4 is a cross-sectional view taken along a line B. In this female retainer socket 1 as well, each engaging member is connected to a retainer pin 14.
Each of the retaining pins 14 elastically urged by the compression spring 17 passes through a through-hole 3c formed in the outer contact piece 3b of the female contact 3 and has a tip at the inner contact piece 3a.
It is constituted so that it may contact elastically. In addition. FIG.
Reference numeral 6 in (A) denotes an insertion hole of a double female retainer outlet, and reference numeral 9 denotes a cover of the double female retainer outlet.

In this double female retainer socket 1, each engagement release means is constituted by a wedge member 21, and the wedge member 21 is connected to the above-described retaining pin 14.
And intersects with an inclined guide hole 14 a formed in the retaining pin 14. Also, the retaining pin 1
4 and the wedge member 21 are both cross guide members 25.
Is restrained so as to be able to advance and retreat in a crossing state. The base ends of the wedge members 21 are connected to each other by a connecting member 22, and a push piece 23 is fixed to an intermediate portion of the connecting member 22. In addition. Reference numeral 24 in FIG.
Denotes a return spring for resiliently returning the wedge member 21 to return.

The tip of the retaining pin 14 is also shown in FIG.
As shown in FIG. 2B, the male plug 10 is formed so as to form an inclined guide surface, and allows the male contact 11 of the male plug 10 to be inserted. The male contact 11 is engaged with the engagement hole 12 formed in the mold contact 11 and is elastically pressed against the inner contact piece 3a to prevent the male contact 11 from coming off.
Thus, it is possible to prevent a trouble caused by careless removal of the male outlet 10 inserted into the female outlet 1. Further, by pushing the push piece 23 at the intermediate portion of the connecting member 22 against the elastic force of the return spring 24, each wedge member 21 engaged with the inclined guide hole 14a of the retaining pin 14 is Retaining pin 14
Can be released to release the retaining.

According to this embodiment, the retaining pin 1 is provided even in a double female outlet embedded in a wall.
By providing the engagement releasing means 15 and the engagement releasing means 15, the retaining by the retaining pin 14 can be released by a simple operation of simply pressing the push piece 23 from the insertion side of the male plug 10.

In the above embodiment, a single female outlet and a double female outlet embedded in a wall have been described as examples. However, the present invention is not limited to the above embodiment. Multiple female outlets can also be implemented by appropriately changing the shape of the female contact according to the connection form with the male plug and the shape of the male contact of the male plug. . Further, in the above embodiment, the female outlet for the power supply is illustrated, but the present invention can be widely applied to connection outlets other than the power supply.

[Brief description of the drawings]

FIG. 1 is a plan view in which main parts of a female retaining socket according to a first embodiment of the present invention are cut away.

FIG. 2 (A) is a front view of a double-type female retaining socket embedded in a wall, and FIG. 2 (B) is FIG. 2 (A) in a second embodiment of the present invention. It is sectional drawing in the BB line arrow.

3A and 3B show a conventional example, in which FIG. 3A is a plan view of the female retaining socket, and FIG. 3B is a perspective view of one female contact.

[Explanation of symbols]

1: Female outlet socket, 3: Female contact, 3a ...
Female contact inside contact piece, 3b Female contact outside contact piece, 3c through hole, 10 male plug, 11 male contact, 12 male engagement hole, 14 ... Retaining pin (engagement member), 14a: inclined guide hole, 15: engagement release means (lever member), 21: engagement release means (wedge member).

[Procedure amendment]

[Submission date] May 18, 1999 (1999.5.1
8)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims

[Correction method] Change

[Correction contents]

[Claims]

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0006

[Correction method] Change

[Correction contents]

According to a first aspect of the present invention, in the female retainer outlet having the above-described basic configuration, the engaging member is constituted by a retaining pin,
Is formed so that its tip forms an inclined guide surface,
The insertion of the male contact 11 of the male plug 10 is allowed,
With the male contact 11 inserted, the retaining pin
14 penetrates a through hole 3 c formed in the outer contact piece 3 b of the female contact 3 , and the tip thereof is opened in the male contact 11.
It was then enter the engagement engagement in hole 12, configured to repression abutment inside contact piece 3a of the female contact 3.

[Procedure amendment 3]

[Document name to be amended] Statement

[Correction target item name] 0007

[Correction method] Change

[Correction contents]

[0007] The invention of claim 1, the omission
The locking release means for releasing the locking pin (14)
The male plug 10 is provided so as to be able to advance and retreat in the insertion direction.
Inclined guide hole formed to cross the retaining pin 14
14a.
The push piece 23 connected to the rust member 21 is embedded in the wall
From the cover 9 of the embedded female type retaining socket 1
The wedge member 21 and the push piece 23 are
As a body, the protrusion of the push piece 23 is
It is configured to rebound to the exit side.

[Procedure amendment 4]

[Document name to be amended] Statement

[Correction target item name] 0008

[Correction method] Change

[Correction contents]

According to a second aspect of the present invention, there is provided the female-type retaining outlet according to the first aspect, wherein the recessed female type is provided.
After arranging the retaining outlets in duplicate and arranging them in duplicate
Each wedge member 21 of the embedded female retaining plug
21 are connected to each other by a connecting member 22.
The push piece 23 fixed to the connecting member 22 is attached to the cover.
-9, the wedge members 21 and 21 and the connecting portion
The member 22 and the push piece 23 are integrated, and the return spring
24 so that it is resilient .

[Procedure amendment 5]

[Document name to be amended] Statement

[Correction target item name] 0009

[Correction method] Change

[Correction contents]

[0009]

According to the present invention, the following functions and effects are obtained. (A) In the invention described in claim 1, in the female retaining socket having the basic configuration, the engaging member is configured by the retaining pin 14, and the retaining pin 14 is
The tip is formed so as to form an inclined guide surface.
The male contact 11 of the connector 10
When the child 11 is inserted, the retaining pin 14 is
Serial through the through hole 3c drilled outside contact pieces 3b of the female contact 3, the tip is then engaged into engagement in hole 12 drilled in the male contacts 11, of the female contact 3 For the inner contact piece 3a
Because of the resilient contact, it is possible to prevent a trouble caused by careless removal of the male outlet 10 inserted into the female outlet 1.

[Procedure amendment 6]

[Document name to be amended] Statement

[Correction target item name] 0010

[Correction method] Change

[Correction contents]

(B) In the female outlet 1, a retaining pin 14 is attached to the existing female outlet, and the retaining pin 14 is attached to the outer contact piece 3b of the female contact 3.
Inexpensive female retaining sockets can be provided with a simple configuration in which the through-hole 3c is formed and the engagement releasing means 21 of the retaining pin 14 is simply attached as described above .

[Procedure amendment 7]

[Document name to be amended] Statement

[Correction target item name] 0011

[Correction method] Change

[Correction contents]

(C) Further, in the first aspect of the present invention, the engagement releasing means for releasing the engagement of the retaining pin 14 is provided so as to be able to advance and retreat in the insertion direction of the male plug 10.
And the slope formed so as to intersect with the retaining pin 14.
Consists of wedge member 21 that engages with guide hole 14a
Then, the push piece 23 connected to the wedge member 21 is
The power of the recessed female type retaining outlet 1 embedded in the wall
The wedge member 21 and the push piece are projected from the bar 9.
23 and the above-mentioned push by return spring 24
From what has been configured to emit bullet in protruding side pieces 23, male
The engagement of the retaining pin 14 can be released by a simple operation of simply pressing the push piece 23 from the insertion side of the mold plug 10 .

[Procedure amendment 8]

[Document name to be amended] Statement

[Correction target item name] 0012

[Correction method] Change

[Correction contents]

(D) According to the second aspect of the present invention, in the female-type retaining outlet according to the first aspect, the embedded socket is
Plug-in female retainer outlets
Each wedge part of the embedded female retainer outlet
The base ends of the members 21 are mutually connected by the connecting member 22.
Then, the push piece 23 fixed to the connecting member 22 is
The wedge members 21 protrude from the cover 9.
And the connecting member 22 and the push piece 23 as one body,
Since it is configured to be resilient by the return spring 24 , the push piece is inserted from the insertion side of the male plug 10.
23 by a simple operation of only pushing the horse was placed in duplicate
Each retaining pin of the plugin female retaining wall socket 14, 1
4 can be released with one touch .

[Procedure amendment 9]

[Document name to be amended] Statement

[Correction target item name] 0013

[Correction method] Change

[Correction contents]

[0013]

Embodiments of the present invention will be described below in more detail with reference to the drawings. FIG. 1 prior to the present invention
It is a principal part broken view of the female-type retaining outlet made . The female outlet socket 1 is provided with a male plug 10
Is inserted into the male contact 11, and the female contact 3 is brought into contact with the male contact 11, respectively, and the retaining pin 14 is engaged in the engagement hole 12 formed in the male contact 11. The male plug 10 is configured to be prevented from falling out.

[Procedure amendment 10]

[Document name to be amended] Statement

[Correction target item name] 0017

[Correction method] Change

[Correction contents]

[0017] Figure 2 shows the implementation form of the present invention, FIG. 2
FIG. 2A is a front view of a double-type female retaining socket for a power supply embedded in a wall, and FIG.
FIG. 3 is a cross-sectional view taken along line B. This female retaining socket 1
In this case, each engaging member is constituted by a retaining pin 14, and each retaining pin 14 elastically urged by the compression spring 17 has a through hole 3c formed in the outer contact piece 3b of the female contact 3 respectively. Through the inner contact piece 3a. In addition. FIG. 2 (A)
Reference numeral 6 in the drawing is an insertion hole for a double female retainer outlet,
Reference numeral 9 denotes a cover of a double female retainer outlet.

[Procedure amendment 11]

[Document name to be amended] Statement

[Correction target item name] Brief description of drawings

[Correction method] Change

[Correction contents]

[Brief description of the drawings]

FIG. 1 is a plan view in which main parts of a female retaining outlet made prior to the present invention are cut away.

[2] In an embodiment of the present invention, FIG. 2 (A) a front view of the female retaining receptacle duplex embedded in the wall, Figure 2
FIG. 2B is a cross-sectional view taken along line BB in FIG.

3A and 3B show a conventional example, in which FIG. 3A is a plan view of the female retaining socket, and FIG. 3B is a perspective view of one female contact.

[Explanation of Signs] 1 ... Female retaining socket, 3 ... Female contact, 3a ...
Female contact inside contact piece, 3b Female contact outside contact piece, 3c through hole, 9 embedded female retaining socket
Cover, 10 ... male plug, 11 ... male contact, 12
... Engagement hole of male contact, 14 ... Retaining pin (engagement member), 14a ... Incline guide hole, 21 ... Engagement releasing means (wedge member), 22 ... Connection member, 23 ... Push piece, 24
… Return spring .

Claims (3)

[Claims] The male contact (1) is provided with a pair of female contacts (3, 3) that respectively come into contact with a pair of male contacts (11, 11) by inserting a male plug (10).
1) A female retaining outlet, wherein an engaging member (14) is engaged in an engaging hole (12) opened in the hole and retains the male plug (10). (14) is constituted by a retaining pin (14), and the retaining pin (14) penetrates a through hole 3c formed in the outer contact piece (3b) of the female contact (3), and the tip thereof is inward. A female mold characterized in that it is configured to elastically contact the contact piece (3a) and configured to release engagement of the retaining pin (14) by engagement release means (15, 21). Retainer outlet. 2. The female retaining socket according to claim 1, wherein said engagement releasing means (15) comprises a lever member (15), and said stopper pin is provided at one end of said lever member (15). (14) A female retaining socket, wherein a base end portion is connected. 3. The female retaining socket according to claim 1, wherein said engagement releasing means (21) comprises a wedge member (21), and said wedge member (21) is connected to said retaining pin (14). Characterized in that the female retainer outlet engages with an inclined guide hole (14a) formed in the retainer pin (14) so as to intersect with the female retainer pin (14).