JP2004214064A - Power receptacle and plug connection set - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a power receptacle and a plug connection set in which environmental arrangement by leading around a cable is made easier and connection in a communication equipment could be guaranteed. <P>SOLUTION: When a circular fitting pier part surrounding its male-type connection terminal is formed in the plug main body, and the fitting pier part is fitted into the receptacle main body, in order to maintain a state that the male-type connection terminal is connected to a female-type connection terminal of its receptacle, a hook member engaged with the receptacle main body is equipped, and to the interior of the fitting pier part and the receptacle main body, each connection terminal of the communication line mutually fit-connected is loaded. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates mainly to a power outlet / plug connection set in a communication device.
[0002]
[Prior art]
A generally known power outlet / plug connection set includes an outlet provided with a pair of female connection terminals in an outlet body, and a plug provided with a pair of male connection terminals facing the female connection terminal in the plug body. In particular, in order to prevent static electricity and electromagnetic waves in communication devices (measures to avoid adverse effects of static electricity and electromagnetic waves generated on the communication device side), for example, Japanese Patent Application Laid-Open Nos. A number of power outlet / plug connection sets with a grounding function have been invented or devised, such as the plug described in Japanese Patent No. 182732 and the outlet described in Japanese Patent Application Laid-Open No. 2000-340286.
[0003]
[Problems to be solved by the invention]
However, these connection sets are intended to be connected to the ground lead together with the power supply connection.However, since the connection state between the outlet and the plug is not sufficiently considered, the power connection and At the same time, the connection with the ground is reliably performed, which is insufficient, and the measures for preventing static electricity and electromagnetic waves lack high reliability. In particular, in the outlet / plug connection structure connected to the device body, there is a danger of fire due to static electricity generated on the device side and sparks due to poor connection of the outlet / plug, and dust accumulated at the connection location ignited.
[0004]
On the other hand, in the case of communication equipment, it is necessary to connect a communication lead line using a telephone line and a line for optical communication separately from the power supply connection. A complicated situation is inevitable. However, when this is put along the line of the power supply connection, the problem always arises because the noise due to the poor connection of the outlet and plug adversely affects the communication line, and the reliable avoidance of the poor connection of the communication line It is a point to do.
[0005]
The present invention has been made on the basis of the above circumstances, and a first object of the present invention is to prevent poor connection of an outlet / plug and to prevent dust from entering a connection portion thereof, and It is an object of the present invention to provide a power outlet / plug connection set in which a plug body is mounted on a device housing of a communication device or the like, which can prevent static electricity generated in the device and a danger of fire due to spark at a connection portion.
[0006]
Further, a second object of the present invention is to provide a device housing such as a communication device or the like which is designed so that the environment can be easily arranged by routing the cable, and furthermore, the plug body is devised so as to compensate for a reliable connection in the communication device. The present invention is to provide a power outlet / plug connection set attached to a vehicle.
[0007]
[Means for Solving the Problems]
For this reason, according to the present invention, the plug body includes an outlet provided with a pair of female connection terminals in the outlet body, and a plug provided in the plug body with a pair of male connection terminals opposed to the female connection terminal. In the power outlet / plug connection set mounted on the device housing, an annular fitting ridge surrounding the male connection terminal is formed in the plug body, and the fitting ridge is fitted to the outlet body. In this case, a hook member engaged with the outlet body is provided so as to maintain a state in which the male connection terminal is connected to the female connection terminal of the outlet, and the hook member also serves as a plug cover. It is characterized by being.
[0008]
Further, according to the present invention, the plug body includes an outlet provided with a pair of female connection terminals in an outlet body, and a plug provided with a pair of male connection terminals facing the female connection terminal in the plug body. In the power outlet / plug connection set mounted on the device housing, the plug body was formed with an annular fitting ridge surrounding the male connection terminal, and the fitting ridge was fitted to the outlet body. At this time, a hook member engaged with the outlet body is provided so as to maintain a state in which the male connection terminal is connected to the female connection terminal of the outlet, and the inside of the fitting jetty and the outlet body are provided with: Each of them is provided with a connection terminal of a communication line fitted and connected to each other.
[0009]
As an embodiment of the present invention, the outlet main body is provided with a conductor for shielding with respect to the connection terminal of the communication line so as to surround the male connection terminal, and the plug main body has An earth connection terminal connected to the conductor is provided inside the annular jetty, and the conductor is connected to a ground lead wire on the plug side, and the earth connection terminal is It is effective that it is connected to the ground lead wire on the outlet side.
[0010]
Further, as in the present invention, in the power outlet / plug connection set in which the plug main body is mounted on the device housing, an outlet adapter and a plug adapter are mounted on the outlet main body and the plug main body, respectively. The adapter forms an annular fitting ridge surrounding the male connection terminal on the adapter body, and when the fitting ridge is fitted to the outlet adapter, the female connection terminal of the outlet. A hook member engaged with the outlet so as to maintain a state in which the male connection terminal is connected to the socket, and the hook member has a structure also serving as a plug cover, or It is a common outlet that the inside of the jetty and the outlet adapter are equipped with communication line connection terminals that are fitted and connected to each other. To allow the application to the plug connection structure, it is effective in enhancing the versatility.
[0011]
As an embodiment of the present invention, a conductor for shielding with respect to the connection terminal of the communication line is provided inside the outlet adapter fitted to the outlet main body so as to surround the male connection terminal. The inside of the annular jetty portion is provided with a ground connection terminal connected to the conductor, and the conductor is connected to a plug-side ground lead wire, and the ground It is effective that the connection terminal is connected to the grounding lead wire on the outlet side.
[0012]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be specifically described with reference to the drawings. 1 to 8 are a perspective view, a cross-sectional plan view and a vertical sectional side view and a side view showing a first embodiment according to the present invention. FIGS. 9 to 12 show a second embodiment according to the present invention. 1 is a perspective view, a cross-sectional plan view, and a vertical sectional side view illustrating an embodiment of the present invention. 13 and 14 are a perspective view and a vertical sectional side view showing a third embodiment according to the present invention.
[0013]
(First Embodiment)
In the first embodiment according to the present invention, a power outlet / plug connection set according to the present invention basically includes a pair of female connection terminals 1 formed of an electrical outlet body made of an electrically insulating material such as a hard synthetic resin. 2 and a plug B provided on a plug body 4 of the same material as the outlet body 2 with a pair of male connection terminals 3 facing the female connection terminal 1.
[0014]
The outlet A is provided with a communication line connection terminal 10, and a shield conductor 12 for the communication line connection terminal 10 is provided so as to surround the female terminal 1. Twelve ground connection terminals 13 and lead wires 19 are mounted.
[0015]
In addition, the outlet main body 2 is provided with engaging portions 9 on both sides of the outer shape for engaging the engaging claws 6a of the hooks 6 described later.
[0016]
On the other hand, in the plug B, an annular fitting ridge 5 surrounding the male connection terminal 3 is formed in the plug body 4, and a flange 5 a for fixing to the equipment housing X is provided on the outer periphery of the fitting ridge 5. It is integrally formed, has a hole 5b for screwing, and is fixed to the device housing X by a screw or the like.
[0017]
Further, the plug B is provided with a communication line connection terminal 11 that is opposed to the communication line connection terminal 10 provided on the outlet main body 2. Further, a ground connection terminal 14 and a lead wire 20 connected to the conductor 12 are provided.
[0018]
Further, a hook 6 integrally formed with a locking claw 6a also serving as a plug cover is rotatably mounted on the upper portion of the flange 5a. A shaft attachment portion 5c is provided on the upper portion of the flange 5a. As shown in FIG. 7, after inserting the shaft portion 7a of the rotating shaft 7 into the bearing portion 6b of the hook 6, the screw portion 7b is screwed to the shaft attachment portion 5c. The hook 6 is mounted so as to be rotatable in the direction of the arrow.
[0019]
In the drawing, reference numerals 15 and 16 denote power supply cords connected to the connection terminals 1 and 3 in the outlet main body 2 and the plug main body 4, respectively, and reference numerals 17 and 18 denote connection terminals 10 and 18, respectively. 11 is a line code connected to 11. In this embodiment, the line cords 17 and 18 are formed separately from the power supply cords 15 and 16 and are bound to the cords 15 and 16 by the band 21 at appropriate places. If there is a composite code in which the line codes 15 and 16 and the line codes 17 and 18 are integrated, it goes without saying that this may be used.
[0020]
According to such a configuration, when connecting the outlet A and the plug B, the hook 6 of the plug B is rotated upward, and the outer periphery of the outlet main body 2 is fitted into the inside W of the fitting ridge 5 of the plug main body 4. Then, the power connection terminals 1 and 3, the communication connection terminals 10 and 11, the conductor 12, and the ground connection terminal 14 are connected. When the hook 6 that has been turned upward is turned downward, the engaging claw 6a provided on the hook 6 is engaged with the engaging portion 9 of the outlet main body. The state is reliably maintained, and the connection terminals 10 and 11 for communication can be reliably connected.
[0021]
As a result, incomplete joining between the connection terminals 1 and 3 can be avoided, so that there is no fear that noise will be generated from this connection. Even if the connection structure for the communication line is incorporated in the same power outlet / plug connection set. , Does not hinder communication. Moreover, in this embodiment, the conductor 12 provided for the shield is connected to the lead wires 19 and 20 exhibiting a ground function, so that it can not only prevent noise but also prevent electromagnetic waves on the communication device side. When the connection with the outlet is released, the hook member 6 functions as a plug cover while the locking claw 6a is introduced inside the fitting ridge 5 as shown in FIG. Dust can be prevented from entering the interior surrounded by the jetty 5.
[0022]
(Second embodiment)
In the second embodiment according to the present invention, the power outlet / plug connection set basically includes, for example, an existing configuration, in which a pair of female connection terminals 1 are connected to an electrically insulating material such as a hard synthetic resin. And a pair of male connection terminals 3 facing the female connection terminals 1 and a plug B provided in a plug body 4 also made of an electrically insulating material. And adapters C and D made of an electrically insulating material having a slight flexibility such as semi-rigid synthetic resin. That is, the outlet adapter 2 and the plug adapter D are attached to the outlet body 2 and the plug body 4, respectively.
[0023]
The outlet adapter C is provided with a communication line connection terminal 10. Inside the outlet adapter C, a shield conductor 12 for the communication line connection terminal 10 is provided with a female terminal. 1 and is provided with a ground connection terminal 13 of the conductor 12 and a lead wire 19.
[0024]
In addition, the outlet adapter body 22 is provided with engaging portions 9 on both sides of the outer shape for engaging the engaging claws 6a of the hooks 6 (described later) which also serve as plug covers.
[0025]
The plug adapter D has an annular fitting ridge 25 surrounding the male connection terminal 3 formed in the adapter body 24, and is fixed to the equipment housing X on the outer periphery of the fitting ridge 5. A flange 25a is formed integrally, and a hole 25b for screwing is formed, and the flange 25a is fixed to the device housing X by a screw or the like.
[0026]
Further, a connection terminal 11 of a communication line that is opposed to the communication line connection terminal 10 provided on the outlet adapter body 22 is provided on the inner side W of the fitting ridge 25. Further, a ground connection terminal 14 and a lead wire 20 connected to the conductor 12 are provided.
[0027]
Further, a hook 6 integrally formed with a locking claw 6a is rotatably mounted on the upper portion of the flange 25a. A shaft attachment portion 25c is provided on the upper portion of the flange 25a. As shown in FIG. 7, after the fitting portion 7a of the rotating shaft 7 is inserted into the bearing portion 6b of the hook 6, the screw portion 7b is attached to the shaft attachment portion. The hook 6 is mounted so as to be rotatable in the direction of the arrow.
[0028]
In the drawings, reference numerals 15 and 16 denote power supply cords connected to the connection terminals 1 and 3 in the outlet main body 2 and the adapter main body 4, respectively, and reference numerals 17 and 18 denote adapter main bodies 22 and The line code is connected to the connection terminals 10 and 11 within 24.
[0029]
Further, in this embodiment, for example, the engagement portions 22a, 24a provided on the adapter bodies 22, 24 are connected to the outlet body 2, the plug body 5 by utilizing the slight flexibility of the adapter bodies 22, 24. The adapters C and D are detachably attached to the outlet A and the plug B so as to be engaged with each other, and are designed so that they do not accidentally come off.
[0030]
According to such a configuration, when connecting the outlet A and the plug B, the hook 6 of the plug B is rotated upward, and the outer periphery of the outlet adapter body 22 is fitted to the fitting ridge 25 of the plug adapter body 24. When fitted to the inside W, the connection terminals 1 and 3, the communication line connection terminals 10 and 11, the conductor 12 and the ground connection terminal 14 are connected respectively. When the hook 6 that has been turned upward is turned downward, the engaging claw 6a provided on the hook 6 is engaged with the engaging portion 9 of the outlet main body. The state is reliably maintained, and the connection terminals 10 and 11 for communication can be reliably connected.
[0031]
As a result, incomplete joining between the connection terminals 1 and 3 can be avoided, so that there is no fear that noise will be generated from this connection. Even if the connection structure for the communication line is incorporated in the same power outlet / plug connection set. , Does not hinder communication. Moreover, in this embodiment, the conductor 12 provided for the shield is connected to the lead wires 19 and 20 exhibiting a ground function, so that it can not only prevent noise but also prevent electromagnetic waves on the communication device side.
[0032]
In particular, in this embodiment, the function of connecting a communication line to an existing power outlet / plug connection set can be exhibited only by preparing the adapters C and D, and its usefulness and versatility are large.
[0033]
(Third embodiment)
In the third embodiment according to the present invention, the connection between the outlet A and the plug B is configured by a simple structure of a vertical sliding method of a hook. As shown in FIGS. 13 and 14, the plate-shaped hook 36 also serving as a plug cover (shutter) is provided with bifurcated legs (locking claws) 36 a on both sides thereof. It is slidably supported by guide portions 37 provided on both sides of the upper portion of the flange. After connecting the outlet A and the plug B, the hook 36 is slid as shown by the arrow, and the leg 36a is connected to the outlet A. It is a structure to be locked to the engaging portion 9. In this way, with a simple structure in which the hook 36 is dropped and slid by its own weight, the reliable engagement between the outlet A and the plug B can be maintained. Moreover, since the distal end side of the outlet main body is fitted into the fitting ridge 5, even if dust is concentrated from the surrounding environment due to static electricity generated in the device, there is no fear that the dust will enter the connection location. Further, when the outlet A is unplugged, the hook 36 is dropped in front of the fitting ridge 5 and closes the opening thereof, so that dust does not enter inside.
[0034]
Although not shown, slits are provided in both leg portions of the hook, pins and the like are inserted into the slide grooves from the outer surface of the guide portion, and the slits of the hook leg portions are made to slide under their own weight. The fear that the hook comes off accidentally and is lost can be avoided.
[0035]
【The invention's effect】
The present invention, as described in detail above, forms an annular fitting ridge surrounding the male connection terminal on the plug body, and fits the outlet body inside the plug connection ridge, thereby forming the female connection terminal of the outlet body. To the male connection terminals of the plug body. And a hook member to be engaged with the outlet main body, wherein the hook is engaged with the outlet main body in a state where the male connection terminal is fitted to the female connection terminal of the outlet main body. Since the hook member also functions as a plug cover, it is possible to avoid poor connection of the outlet / plug, prevent dust from entering the connection location, and generate the dust on the device side. It is possible to prevent the danger of fire due to static electricity and sparks at the connection part. Further, in the present invention, the provision of the connection terminals of the communication lines which are fitted and connected to each other facilitates the environmental arrangement by the cable routing, and also ensures the secure connection in the communication device.
[0036]
Further, in the present invention, the outlet adapter and the plug body are fitted with the outlet adapter and the plug adapter, respectively. In the plug adapter, the adapter body has an annular fitting pier surrounding the male connection terminal. In addition to forming a portion, the adapter body for an outlet is fitted inside thereof, and the male connection terminal of the plug body is respectively joined to the female connection terminal of the outlet body. The plug adapter includes a hook member that is engaged with the outlet adapter main body, and the outlet adapter main body is fitted to the outlet main body with the male connection terminal of the plug main body fitted to the female connection terminal. Since the hook member is formed with an engagement portion for locking the hook member, and the hook member also serves as a plug cover, and since each of the hook members is provided with a connection terminal of a communication line fitted and connected to each other, Not only can the above-mentioned effects be obtained, but also it can be used in combination with an existing outlet / plug connection set, which is advantageous in terms of economy and versatility.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a first embodiment according to the present invention.
FIG. 2 is also a longitudinal side view before connection.
FIG. 3 is a vertical sectional side view after connection.
FIG. 4 is a cross-sectional plan view of a connection terminal portion before connection.
FIG. 5 is a cross-sectional plan view of the connection terminal after connection.
FIG. 6 is a cross-sectional plan view of a communication line connection terminal before connection.
FIG. 7 is a cross-sectional view of the hook rotation unit.
FIG. 8 is also a side view after connection.
FIG. 9 is a perspective view showing a second embodiment according to the present invention.
FIG. 10 is a vertical sectional side view before connection.
FIG. 11 is a vertical sectional side view after connection.
FIG. 12 is a cross-sectional plan view of a connection terminal portion.
FIG. 13 is a perspective view showing a third embodiment according to the present invention.
FIG. 14 is a side view of a part of the same.
[Explanation of symbols]
A Outlet B Plug C, D Adapter 1 Female connection terminal 2 Outlet body 3 Male connection terminal 4 Plug body 5, 25 Fitting ridge 5a, 25a Flange 5b, 25b Hole 5c, 25c Shaft attachment 6, 36 Hook ( Also serves as a plug cover)
6a Locking claw 6b Bearing part 7 Rotating shaft 7a Shaft part 7b Screw part 8 Fitting ridge inside 9 Engaging part 10, 11 Connection terminal 12 Conductor 13, 14 Ground connection terminal 15, 16 Cord for power supply 17, 18 Line cord 19, 20 Lead wire 21 Band 22, 24 Adapter body 36a Leg (locking claw)
37 Guide part

Claims (7)

An outlet having a pair of female connection terminals in an outlet body, and a plug having a pair of male connection terminals opposed to the female connection terminals in a plug body, wherein the plug body is attached to a device housing. Power outlet and plug connection set
The plug forms an annular fitting ridge surrounding the male connection terminal in the plug main body, and when the fitting ridge is fitted to the outlet main body, the plug forms a female connection terminal of the outlet. A power outlet, comprising a hook member engaged with the outlet main body so as to maintain a state in which the male connection terminal is connected, the hook member having a structure also serving as a plug cover. Plug connection set. An outlet having a pair of female connection terminals in an outlet body, and a plug having a pair of male connection terminals opposed to the female connection terminals in a plug body, wherein the plug body is attached to a device housing. Power outlet and plug connection set
The plug forms an annular fitting ridge surrounding the male connection terminal in the plug main body, and when the fitting ridge is fitted to the outlet main body, the plug forms a female connection terminal of the outlet. A hook member engaged with the outlet body is provided so as to maintain a state in which the male connection terminal is connected,
A power outlet / plug connection set, wherein a connection terminal of a communication line to be fitted and connected to each other is provided on the inside of the fitting ridge portion and the outlet main body, respectively. The outlet main body is equipped with a conductor for shielding against the connection terminal of the communication line so as to surround the female connection terminal, and the plug main body includes the conductor and The power outlet / plug connection set according to claim 1 or 2, further comprising a ground connection terminal to be connected. The power supply according to claim 3, wherein the conductor is connected to a ground lead wire on a plug side, and the ground connection terminal is connected to a ground lead wire on an outlet side. Outlet plug connection set. An outlet having a pair of female connection terminals in an outlet body, and a plug having a pair of male connection terminals opposed to the female connection terminals in a plug body, wherein the plug body is attached to a device housing. Power outlet and plug connection set
An outlet adapter and a plug adapter are mounted on the outlet body and the plug body, respectively. The plug adapter forms an annular fitting ridge surrounding the male connection terminal on the adapter body. A hook member engaged with the outlet adapter so as to maintain a state in which the male connection terminal is connected to the female connection terminal of the outlet when the fitting ridge is fitted to the outlet adapter. A power outlet / plug connection set, wherein the hook member has a structure also serving as a plug cover. An outlet having a pair of female connection terminals in an outlet body, and a plug having a pair of male connection terminals opposed to the female connection terminals in a plug body, wherein the plug body is attached to a device housing. Power outlet and plug connection set
An outlet adapter and a plug adapter are mounted on the outlet body and the plug body, respectively. The plug adapter forms an annular fitting ridge surrounding the male connection terminal on the adapter body. A hook member engaged with the outlet adapter so as to maintain a state in which the male connection terminal is connected to the female connection terminal of the outlet when the fitting ridge is fitted to the outlet adapter. A power outlet / plug connection set, wherein the inside of the fitting pier and the outlet adapter are provided with connection terminals of communication lines that are fitted and connected to each other. Inside the outlet adapter, which fits into the outlet main body, a conductor for shielding against the connection terminal of the communication line is provided so as to surround the male connection terminal. The power outlet / plug connection set according to claim 5, further comprising a ground connection terminal connected to the conductor.

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