JP3096948U - Connector - Google Patents

Abstract

An object of the present invention is to make it easier for a disabled person or child to pull out an insertion plug. Eliminate cords outside the housing that could cause a handicapped or child to trip.
A female contact piece (6) is provided inside a housing through an insertion hole (8), and a male contact piece (5) connected to the female contact piece (6) is projected out of the housing. The push rod 13 is provided so as to be movable along the insertion direction of the insertion plug, the end of the push rod 13 can be protruded to the outside of the housing, and a lever 18 for moving the push rod 13 inside the housing; A connection rod provided with an operation rod 16 for operating the control rod, and an end of the operation rod 16 protruding outside the housing. When the end of the operating rod 16 is pushed to protrude the end of the pushing rod 13 to the outside of the housing, the plug inserted into the insertion hole 8 is pushed by the pushing rod 13 and comes out.
[Selection diagram] Fig. 1

Description

[0001]
[Technical field to which the invention belongs]
The present invention relates to a technique for facilitating pulling out an insertion plug of an electric appliance in a connector used between the electric appliance and a power supply thereof.
[0002]
[Prior art]
A plug connected to a household appliance with a cord protrudes a pair of male contact pieces on the front side of the housing, and has a pair of screws connected to the pair of male contact pieces inside the housing, A pair of electric wires of the cord are connected to a pair of screws, and the cord is drawn out of the housing.
[0003]
The wall outlet of a single-phase low-voltage power supply buried in the wall of a house has a pair of insertion holes opened on the front surface, and a pair of female contact pieces connected to the power supply at positions inside the insertion holes. .
[0004]
When the male contact piece of the plug of household appliances is inserted into the insertion hole of the wall outlet, the front of the housing of the plug overlaps with the front of the wall outlet and overlaps, while the male contact of the plug The piece is sandwiched between female contact pieces inside the wall outlet and connected to a power source.
[0005]
The outlets disclosed in Patent Literatures 1 to 3 are movable outlets connected to an extension cord, and are provided with a lever mechanism in order to easily pull out an insertion plug inserted into the insertion hole. An extrusion rod for pushing out the insertion plug inserted into the insertion hole is provided, a lever for lifting the extrusion rod is provided, and an operation unit for operating the lever is provided. When the operation unit is pressed with a finger of one hand, the push rod is lifted to push the insertion plug out of the insertion hole.
[0006]
[Patent Document 1]
Japanese Utility Model Laid-Open No. 59-3481 [Patent Document 2]
Japanese Utility Model Publication No. 59-109079 [Patent Document 3]
Registered Utility Model No. 3041351
[Problems to be solved by the invention]
However, the outlets disclosed in Patent Literatures 1 to 3 are easy for even a disabled person or child to pull out the insertion plug. However, since the outlet is an extension cord, the location of the electric appliance is close to the location of the wall outlet, and the extension cord is not suitable. When used where necessary, it is dangerous that a disabled person or child may trip on an unnecessary extension cord.
[0008]
[Means for Solving the Problems]
1) The housing is provided with a female contact piece which penetrates the insertion hole into which the male contact piece of the plug is inserted, and the female contact piece sandwiching the male contact piece of the plug is provided inside the housing. Project the male contact piece connected to the inner female contact piece,
A push rod is provided inside the housing so as to be movable along the insertion direction of the insertion plug, and the end of the push rod can protrude outside the housing. Inside the housing, a lever for moving the push rod and a lever are operated. Operation rod, and the end of the operation rod projects outside the housing,
When the end of the operating rod protruding outside the housing is pushed to protrude the end of the push rod out of the housing, the insertion plug inserted into the insertion hole is pushed by the extrusion rod, and from the female contact piece and the insertion hole. A connector characterized by being configured to escape.
[0009]
2) A pair of females sandwiching a pair of male contact pieces of the plug through the housing through a pair of insertion holes into which a pair of male contact pieces of the plug are inserted. A mold contact piece is provided, and a pair of male contact pieces connected to a pair of female contact pieces inside the housing are projected outside the housing on the side opposite to the insertion plug insertion side,
A push rod is provided inside the housing so that the midpoint between the pair of female contact pieces can be moved along the insertion direction of the insertion plug, and the end of the push rod is positioned at the midpoint between the pair of insertion holes. A lever that moves the push rod and an operation rod that operates the lever are provided inside the housing, and a direction in which the end of the operation rod protrudes outside the housing to operate the end of the operation rod The same as the projection direction of the male contact piece,
When the end of the operating rod protruding outside the housing is pushed to protrude the end of the push rod out of the housing, the insertion plug inserted into the insertion hole is pushed by the extrusion rod, and from the female contact piece and the insertion hole. A connector characterized by being configured to escape.
[0010]
[Effect of the invention]
In the connector of the present invention, a male contact piece protruding outside the housing is plugged into an outlet on the power supply side, for example, a wall outlet, and an electric appliance such as a television is inserted into the insertion hole penetrating the housing and the female contact piece inside the housing. Insert the insertion plug on the receiver or electric heater side. Then, the electric appliance is connected to the outlet on the power supply side via the female contact piece inside the housing and the male contact piece outside the housing.
[0011]
When pulling out the insertion plug on the side of the electric appliance, the end of the operating rod protruding outside the housing is pressed with one finger. Then, the end of the push rod protrudes outside the housing. The insertion plug on the side of the electric appliance is pushed by the push rod and comes out of the female contact piece and the insertion hole. The electrical appliance is disconnected from the power outlet.
[0012]
The connector of the present invention makes it easy for a disabled person or child to pull out the plug, and because the cord is not provided outside the housing, there is no risk of the disabled person or child tripping on the cord. Not dangerous.
[0013]
[Embodiment of the invention]
The connector of the embodiment includes a pair of male contact pieces 5 and a pair of female contact pieces 6, as shown in FIGS. It is used between a household single-phase low-voltage power supply and an AC 100 V power supply side outlet and a household electrical appliance such as a television receiver or an electric heater side plug.
[0014]
In this connector, a lower housing 1 and an upper housing 2 are connected by screws 3 to form a box structure including a wide tall portion and a narrow tall portion. The lower housing 1 and the upper housing 2 are molded products of an electrically insulating synthetic resin.
[0015]
As shown in FIGS. 2 and 3, the housings 1 and 2 are provided with conductive members 4 made of metal plates along the vertical direction on the left and right sides of the wide tall portion, respectively. The left and right conductive members 4 each have a base end of the male contact piece 5 fixed to the lower end with a rivet, and linearly connect the male contact pieces 5 of the strip-shaped metal plate. The left and right male contact pieces 5 are respectively arranged along the up-down direction, and penetrate the wide tall portion of the lower housing 1. The lower ends of the left and right conductive members 4 and the fixing base end portions of the left and right male contact pieces 5 are buried in the wide and tall portion of the lower housing 1. The contact blade portions of both male contact pieces 5 are arranged side by side in the left and right direction, respectively, and are arranged orthogonally to the left and right directions, and project below the wide tall portion of the lower housing 1. The lower ends of the left and right conductive members 4 are electrically connected to the left and right male contact pieces 5, respectively.
[0016]
Upper end portions of the left and right conductive members 4 protrude into the wide and tall portions of the upper housing 2 having the shell structure. As shown in FIGS. 1 to 3, the upper end of the conductive member 4 has the contact pieces 6 bent from the left and right, respectively. The left and right contact pieces 6 are arranged in close proximity to each other and perpendicular to the left and right direction to form a blade receiving portion of the female contact piece. The blade receiving portion of the female contact piece 6 is a portion where the male contact piece of the insertion plug is sandwiched, and an upper side facing the upper side wall of the wide tall portion of the upper housing 2 is an entrance, and is located on the entrance side. The two guide pieces 7 protrude outward. The left and right guide pieces 7, the left and right contact pieces 6 and the conductive member 4 are a metal plate connected in series. The female contact piece 6 and the male contact piece 5 are electrically connected. Inside the wide tall portions of the housings 1 and 2, a pair of female contact pieces 6 are provided in parallel on the left and right.
[0017]
A pair of insertion holes 8 are vertically penetrated in the upper side wall of the wide tall portion of the upper housing 2 at left and right positions facing the pair of female contact pieces 6. The pair of insertion holes 8 has a vertically long rectangular shape, and the longitudinal direction thereof is arranged along the front-rear direction. When a pair of male contact pieces of the insertion plug are inserted into the pair of insertion holes 8 from above the housings 1 and 2 downward, the tip of each male contact piece of the insertion plug that has passed through the insertion hole 8. The side is sandwiched between the female contact pieces 6.
[0018]
As shown in FIG. 3 and FIG. 4, a bottomed lower guide hole 11 is provided at the midpoint between the pair of left and right conductive members 4 and the female contact piece 6 in the wide tall portion of the lower housing 1. It is provided along the vertical direction. The upper guide hole 12 is vertically passed through the upper side wall of the wide tall portion of the upper housing 2 at a position facing the lower guide hole 11 and at a midpoint between a pair of left and right insertion holes 8. I have. The lower part of the push rod 13 is fitted into the lower guide hole 11, and the upper end of the push rod 13 is inserted into the upper guide hole 12. The push rod 13 is movable in the vertical direction at the midpoint between the pair of female contact pieces 6 along the insertion direction of the insertion plug. As shown in FIGS. 5 and 6, the upper end of the push rod 13 can protrude from the upper guide hole 12 to the upper side of the wide tall portion of the upper housing 2.
[0019]
As shown in FIGS. 2 and 4, a bottomed lower guide hole 14 is provided in the narrow lower part of the lower housing 1 along the vertical direction. An upper guide hole 15 is vertically penetrated in the upper side wall of the narrow lower part of the upper housing 2 at a position facing the lower guide hole 14. An operation rod 16 is vertically penetrated through the upper guide hole 15. The upper end of the operating rod 16 projects above the narrow lower part of the upper housing 2. A helical spring 17 is fitted between the lower end of the operation rod 16 protruding inside the narrow lower part of the housings 1 and 2 and the bottom of the lower guide hole 14. When the operating rod 16 is lowered against the helical spring 17, the lower end of the operating rod 16 is inserted into the lower guide hole 14, as shown in FIG.
[0020]
The push rod 13 and the operation rod 16 are located in front and rear, are arranged in parallel, and a lever 18 is arranged between them in the front-rear direction. It fits into the left and right bearings formed between the lower parts. The front end of the lever 18 is fitted into a recess formed on the side surface of the push rod 13, and the push rod 13 is moved up and down by vertical movement of the front end of the lever 18. The rear end of the lever 18 is fitted into a recess formed on the side surface of the operation rod 16, and the rear end of the lever 18 is moved up and down by the vertical movement of the operation rod 16. When the operating rod 16 is lowered against the helical spring 17, the pushing rod 13 rises and the upper end of the pushing rod 13 projects above the upper housing 2 as shown in FIGS. 5 and 6. When the operating rod 16 is raised by the elastic force of the helical spring 17, the pushing rod 13 is lowered and the upper end of the pushing rod 13 is immersed in the upper guide hole 12.
[0021]
The lever 18 for moving the push rod 13 up and down, the support shaft 19 thereof, and the operation rod 16 for operating the lever 18 are molded products of an electrically insulating synthetic resin.
[0022]
When this connector is used, as shown in FIG. 7, a pair of male contacts protruding outside the housings 1 and 2 are inserted into insertion holes of a wall outlet 21 of a single-phase low-voltage power supply buried in a house wall. Insert piece 5. While the rear surfaces of the housings 1 and 2 overlap with the front surface of the wall outlet, the male contact piece 5 is sandwiched between the female contact pieces inside the wall outlet 21 and connected to a power source. Next, a pair of male contact pieces 23 of an insertion plug 22 connected to the end of the cord of the household electric appliance are inserted into a pair of insertion holes 8 opened on the front surfaces of the housings 1 and 2.
[0023]
Then, the front surface of the housing 24 of the insertion plug 22 overlaps with the front surfaces of the housings 1 and 2, while the male contact piece 23 projecting to the front side of the housing 24 of the insertion plug 22 is It is sandwiched between the mold contact pieces 6 and is electrically connected. The plug 22 of the household appliance is connected to a single-phase low-voltage power supply via the female contact pieces 6 inside the housings 1 and 2 and the male contact pieces 5 outside the housings 1 and 2.
[0024]
In the housings 1 and 2, since the opening side of the insertion hole 8 and the insertion side of the insertion plug 22 are on the opposite side to the protruding side of the male contact piece 5, the force for inserting the insertion plug 22 reduces the male contact piece 5. It also acts as a force to plug into the wall outlet 21. There is no danger that the male contact piece 5 will fall out of the wall outlet 21 by inserting the insertion plug 22.
[0025]
When pulling out the insertion plug 22 of the household electric appliance, the end of the operating rod 16 protruding from the front of the housings 1 and 2 is pressed with one finger, and the operating rod 16 is pressed against the spiral spring 17 as shown in FIG. And into the housings 1 and 2.
[0026]
Then, as shown in FIG. 5 and FIG. 8, the end of the push rod 13 protrudes from the front surface of the housings 1 and 2 to the outside thereof, hits the front surface of the housing 24 of the insertion plug 22, and a pair of push rods on the front surface. The middle contact point of the male contact piece 23 is pushed. The insertion plug 22 is pushed back by the push rod 13 and retreats, and the pair of male contact pieces 23 come out of the female contact pieces 6 inside the housings 1 and 2 and the insertion holes 8 on the front surfaces of the housings 1 and 2. The connection of the plug 22 of the household appliance to the single-phase low-voltage power supply is cut off.
[0027]
In the housings 1, 2, the pushing direction of the operating rod 16 is the same as the projecting direction of the male contact piece 5, so that the operating force of pushing the operating rod 16 is reduced to the force of inserting the male contact piece 5 into the wall outlet 21. Also. There is no danger that the male contact piece 5 will fall out of the wall outlet 21 by the pushing operation of the operating rod 16.
[0028]
Since the insertion plug 22 is pushed in the retreating direction by the pushing rod 13 at the midpoint of the pair of male contact pieces 23 on the front surface of the housing 24, the insertion plug 22 is smoothly retracted and comes out.
[Brief description of the drawings]
FIG. 1 is a partially cutaway plan view of a connector according to an embodiment of the present invention.
FIG. 2 is a plan view of the connector with the upper housing removed.
FIG. 3 is a sectional view taken along line AA of FIG. 1;
FIG. 4 is a sectional view taken along line BB of FIG. 1;
FIG. 5 is a view showing a state in which a push rod of the connector is protruded, and is the same cross-sectional view as FIG. 3;
FIG. 6 is a view showing a state in which an extrusion rod of the connector is protruded, and is the same cross-sectional view as FIG. 4;
7 is a view showing a state in which the male contact piece of the connector is inserted into a wall outlet and an insertion plug is inserted into an insertion hole of the connector, and is the same sectional view as FIG. 4;
FIG. 8 is a diagram showing a state in which the push rod of the connector is protruded and the insertion plug is pulled out, and is the same sectional view as FIG. 7;
[Explanation of symbols]
Reference Signs List 1 lower housing 2 upper housing 3 screw 4 conductive member 5 male contact piece 6 contact piece, female contact piece 7 guide piece 8 insertion hole 11 lower guide hole 12 upper guide hole 13 push rod 14 lower guide hole 15 Upper guide hole 16 Operating rod 17 Helical spring 18 Lever 19 Lever support shaft 21 Single-phase low-voltage power supply wall outlet 22 Plug for domestic appliance 23 Male contact piece of plug 24 Plug housing for plug

Claims (2)

In the housing, penetrate the insertion hole for inserting the male contact piece of the insertion plug, provide a female contact piece that sandwiches the male contact piece of the insertion plug inside the housing, and on the outside of the housing, Project the male contact piece connected to the female contact piece,
A push rod is provided inside the housing so as to be movable along the insertion direction of the insertion plug, and the end of the push rod can protrude outside the housing. Inside the housing, a lever for moving the push rod and a lever are operated. Operation rod, and the end of the operation rod projects outside the housing,
When the end of the operating rod protruding outside the housing is pushed to protrude the end of the push rod out of the housing, the insertion plug inserted into the insertion hole is pushed by the extrusion rod, and from the female contact piece and the insertion hole. A connector characterized by being configured to escape. A pair of female contacts that penetrate a pair of insertion holes into which a pair of male contact pieces of an insertion plug are inserted into the housing, and a pair of male contact pieces of the insertion plug inside the housing. A pair of male contact pieces connected to a pair of female contact pieces inside the housing are protruded to the outside of the housing opposite to the insertion plug insertion side,
A push rod is provided inside the housing so that the midpoint between the pair of female contact pieces can be moved along the insertion direction of the insertion plug, and the end of the push rod is positioned at the midpoint between the pair of insertion holes. A lever that moves the push rod and an operation rod that operates the lever are provided inside the housing, and a direction in which the end of the operation rod protrudes outside the housing to operate the end of the operation rod The same as the projection direction of the male contact piece,
When the end of the operating rod protruding outside the housing is pushed to protrude the end of the push rod out of the housing, the insertion plug inserted into the insertion hole is pushed by the extrusion rod, and from the female contact piece and the insertion hole. A connector characterized by being configured to escape.

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