JPH0895499A - Display device and connector - Google Patents

Abstract

PURPOSE: To enable the fixation of a display part and the electrical connection to a signal line to be performed with one operation without a fault of frost condensation by combining a plug part and a receptacle part in such a manner that the respective on-side wings of the U-shaped parts of these parts are inserted into the other openings. CONSTITUTION: This connector 20 consists of an upper part having an L-shaped section and a lower part having a U-shaped section. An eaves part 24 extends horizontally in the upper part and the front end is provided with a screw hole 26. Another screw hole 27 is disposed at the center as well. The lower part is provided with a projection 21 and the upper part is provided with a projection 23. The outer side of the lower U-shaped parts is provided with a step part 22. The projections 21, 23 and the step 22 are means for engaging the connector 20 with the display 10. One of the lower U-shaped parts forms an electric wire holding part 25 and is provided with projections 28 and 29 on the inner side on its base part and front end part. An electric wire 30 is held therebetween. Further, the projection 21 at the bottom end of the connector 20 comes into contact with the recessed part 15 in the lower part of the display 10 and the step part 22 comes into contact with the projection 13, etc. The projection 23 engages with a fixing hook 12, etc., in the upper part of the display 10.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device, in particular a super
The present invention relates to a display device that can be attached to a product showcase on a market or the like and can be applied for the purpose of displaying prices and the like. The present invention also relates to such a display device and a connector suitable for use in a place where condensation may occur.

[0002]

2. Description of the Related Art In a supermarket or the like, in order to display the product name, price, etc. of a product placed on a shelf of a product showcase, a display board displaying them is displayed on the display shelf of each product. It is widely used in front of. However, according to this method, when the price of a product is frequently changed, it is necessary to change the display contents of a large number of display plates, and when the arrangement of products is changed, it is necessary to move a large number of display plates. In recent years, 7-segment L
An electronic display device having an ED or the like as a display unit has been used.

Japanese Patent Publication No. 58-501059 discloses an electronic display device having a 7-segment LED on the surface of a plate-like supporting member. As shown in FIG. 5, this display device comprises a display plate 51 and a channel 56 for fixing the display plate 51 to a desired position such as a shelf of a product showcase. As shown in FIG. 5A, the display plate 51 includes a display portion 53 formed of a 7-segment LED on the surface of a plate-shaped support member 52.
Equipped with. The plate-like support member 52 is made of a non-conductive material, and has conductive protrusions 52a and 52 that are curved outwardly at the upper end and the lower end on the back side (the surface opposite to the display unit 53).
b is provided. The protrusions 52a and 52b act as terminals of the display unit 53, that is, the 7-segment LED. As shown in FIG. 5B, in the channel 56, a non-conductive plate-shaped member is formed in a rail shape having a U-shaped cross section,
The upper end and the lower end have projecting portions 57a and 57b that are curved inward. Conductors 58a and 58b are fixed inside the protrusions 57a and 57b and can supply signals to the 7-segment LED. The channel 56 is fixed with a wood screw 59 or the like at a desired position on a shelf of a product showcase or the like.

When the protrusions 52a and 52b of the display plate 51 are forcibly fitted between the protrusions 57a and 57b of the channel 56 by their respective elasticity, the display plate 51 is fixed to the channel 56 and the protrusions are formed. 52a and 52b
Are in electrical contact with the conductors 58a and 58b inside the protrusions 57a and 57b, respectively. Through this electrical connection, the 7-segment LED of the display unit 53
Are driven by signals from conductors 58a and 58b to provide the required display.

Another display device is described in Japanese Patent Laid-Open No. 63-199389. As shown in FIG. 6, this display device has a channel 61 (FIG. 6A) in which a non-conductive plate-shaped member is formed in a rail shape having a U-shaped cross section, and is inserted and fixed inside the channel 61. Connector 63 (Fig. 6 (b))
And a display body 68 (FIG. 6C) fixed by inserting a pin therein.

As shown in FIG. 6A, the channel 61
Has grooves 61a on the inner facing surfaces, and a large number of conducting wires 62 are fixed on the back surface. The connector 63 is shown in FIG.
As shown in FIG. 6, the insulator 64, the cylindrical terminal 65 embedded therein, and the spring 66 arranged on the outer periphery of the insulator 64.
Consists of. The terminals 65 are connected to the conducting wires 62 by wires 67 that penetrate the back surface of the channel 61. The connector 63 is fixed to the channel 61 by inserting a spring 66 biased outward into the groove 61 a on the inner surface of the channel 61. The state where the connector 63 is fixed to the channel 61 is shown in FIG. As shown in FIG. 6C, the display body 68 includes a display portion 69 on the front surface and a connection pin 610 on the back surface. The connection pin 610 is connected to the connector 63.
Can be inserted into the terminal 65 of the.

Japanese Unexamined Patent Publication No. 3-46696 discloses a combination of a press-connecting connector which is inserted into an outer jacket of a wiring cable for connection and a second connector (referred to as a branch connector) which is inserted therein. A commodity price display system is disclosed in which a device is connected to a desired position of a signal wiring. A specific example of this connection method is shown in FIG. Wiring case
A pressure contact connector 72 is provided along the bull 71, and a branch connector 73 is inserted into the pressure contact connector 72. The branch connector 73 is connected to an indicator 75 having a display unit 76 via an extension cable 74. The extension cable 74 may be omitted and the indicator 75 may be directly connected to the branch connector 73. The branch connector 73 can be connected to a desired position on the wiring cable 71, and when it is no longer needed, the branch connector 73 is removed, a protective cover is attached, and the press contact connector 72 is left as it is. Can be placed.

[0008]

However, the special table Sho-58-
The electronic display device disclosed in Japanese Patent No. 501059 (hereinafter referred to as the first prior art) has a conductor exposed on the inner surface of the channel, and therefore, when used in a refrigerated showcase,
Due to dew condensation, there is a drawback that faulty insulation and incorrect display may result. Further, since there is only one pair of conductors, the amount of information to be transmitted is extremely limited.

The display device described in Japanese Patent Application Laid-Open No. 63-199389 (hereinafter referred to as the second prior art) has a conductor exposed on the back surface of the channel, and therefore, is refrigerated as in the first prior art. When it is used in a showcase, it has a drawback that it is liable to cause troubles due to dew condensation. Further, labor is required to connect the terminals of the connector and the conducting wires on the back surface of the channel, and the cost per connector is high.

The display device described in Japanese Patent Laid-Open No. 3-46696 (hereinafter referred to as the third prior art) is unlikely to cause a trouble due to dew condensation, unlike the first and second prior arts. However, when changing the product layout, etc.
Since it is necessary to install a new press-connecting connector at a required position of the cable, it takes time and labor, so that the flexibility of layout change is restricted. Further, another means must be provided to securely fix the display.

Therefore, it is an object of the present invention to provide a display device which does not cause a trouble due to dew condensation.

It is another object of the present invention to provide a display device in which the display unit can be fixed and the signal source can be electrically connected in one operation.

Another object of the present invention is to provide a display device which increases the degree of freedom in changing the product layout when used to display the product price of a display shelf or the like.

Another object of the present invention is to provide a display device in which the cost required for the connecting portion is low.

A further object of the present invention is to provide a connector which can be electrically connected in a single motion without causing a trouble due to dew condensation.

[0016]

In the present invention, the above object is to provide a display unit having a display surface for performing a predetermined display by an electric signal, and an insulated wire for supplying a signal to the display unit.
In a display device comprising a display section and a connector section for connecting an insulated wire, the connector section comprises a plug section integrated with the display section and an outlet section for holding the insulated wire, and the plug section and the outlet section are each at least A part has a U-shaped cross section, and the plug part has a conductor whose one end is connected to the display surface, and a part of this conductor is elastically exposed from the insulating coating to the outside of the U-shaped part. Part of the insulated wire is held by one blade of the U-shaped part of the outlet part, and at this part part of the conductor is exposed from the insulating coating to the inside of the U-shaped part. The outer surface of the U-shaped part of the plug part and the part held by the outlet part by combining the U-shaped part of the plug part and the U-shaped part of the outlet part so that each wing is inserted into the opening of the other Close to one side of the insulated wire of The conductor exposed on the outer side of the U-shaped portion of the lug and the exposed portion of the conductor of the insulated wire held in the outlet portion are in contact with each other so that the display portion and the conductor wire are connected. Achieved by the display device.

In order to facilitate understanding, the components of the display device of the present invention will be summarized below. (I) Display unit Display means (II) Connector unit Plug unit Integrated with the display unit. At least a part has a U-shaped cross section. The display means includes a conductor whose one end is connected, and a part of the conductor is exposed to the outside of the U-shaped portion. Outlet section Holds the insulated wire. At least a part has a U-shaped cross section. (III) Part of the insulated wire is held by one blade of the U-shaped portion of the outlet portion. At this part, part of the conductor is exposed from the insulation coating inside the U-shaped part.

These elements are configured so that the following states are realized. By combining the U-shaped part of the plug part and the U-shaped part of the outlet part so that each wing is inserted into the other opening, (1) the outer surface of the U-shaped part of the plug part , The surface of the insulated wire held in the outlet part is in close contact, and (2) the conductor exposed outside the U-shaped part of the plug part and the insulated wire exposed inside the U-shaped part of the outlet part The conductors of 1 are brought into contact with each other, so that the display portion and the conductive wire are connected.

Another object of the present invention relating to a connector is that it comprises a first conductor and an insulator, an outlet part connected to a power source or a signal source, a second conductor and an insulator, and a load or In a connector consisting of a plug part connected to the output side, the outlet part has a U-shaped cross section at least in part, and the first conductor is exposed from the insulator inside this part. A first engaging means for engaging the plug portion on the outside of or on an extension of the portion of the cross section, the plug portion having a U-shaped cross section at least in part A second conductor is exposed from the insulator on the outside of the branch and has a corresponding engaging member for engaging the first engaging member on the inside of the portion of the U-shaped cross section or an extension thereof. , Inside the U-shaped section of the outlet part, Insert one wing portion of the cross-section (branch), the combination of outlet portion and plug portion,
The first engaging member and the corresponding engaging member are engaged with each other so that the outlet portion and the plug portion are engaged with each other, and at the same time, the first conductor of the outlet portion and the second conductor of the plug portion are Achieved by a connector configured to be electrically connected at each exposed portion.

In the display device of the present invention, an engaging member (first engaging member) is provided at or near the plug portion on the display portion, and the outlet member has an engaging member (first engaging member) corresponding to the engaging member (first engaging member). It is preferable to provide two engaging members) so that the plug portion and the outlet portion are fixed to each other by the engagement thereof. At least one of the engaging members is preferably biased by an elastic force. Furthermore, a protrusion or a step is provided on the plug portion or in the vicinity thereof, and a protrusion or a step that comes into contact with the protrusion or the step is provided on the outlet portion,
The abutment of these projections or steps may exert an effect on the engagement member to enhance the engagement between the first engagement member and the second engagement member.

In the display device of the present invention, the display section may include display means such as a 7-segment LED. The display part is integrated with the plug part of the connector part, and the plug part is, for example, one surface of the display part (for example, the back surface).
It can be constituted by a member (L-shaped member) which projects from the above and further extends parallel to this surface (S) and has an L-shaped cross section. The L-shaped member forms a U-shaped cross section with the surface S of the display unit. In the space formed between the surface S of the display section and the L-shaped member, the first wing (branch) of the portion having the U-shaped cross section of the outlet section can be inserted. A conductor whose one end is connected to the display means of the display unit is provided inside or along the inside of the L-shaped member. Part of it is exposed to the outside of the L-shaped member and serves as a connecting means with the connector portion. The conductors must be insulated from the outside of the plug portion except for this exposed portion, and the plurality of conductors must be insulated from each other.

The display portion has a plug portion integrated with one surface (for example, a surface opposite to the display body), and an engaging member capable of engaging with the engaging portion of the outlet portion, for example, protruding from the back surface of the display portion. A hook-shaped member may be included. The engagement member can engage with the engagement portion provided in the outlet portion, and enhances the engagement between the display portion and the plug portion and the outlet portion. It is preferable that the engaging member is elastically biased so that the engagement is performed by this biasing. Providing a concave portion on the inner bottom of the above-mentioned L-shaped member enables more stable engagement with the outlet portion.

At least a part of the outlet portion has a U-shaped cross section, and the first branch of the U-shaped portion can be inserted between the L-shaped member and the surface S of the display portion. The second branch of the U-shaped portion holds a part of the insulated wire. You may provide the holding member for that. A part of the insulated electric wire including the conductor and the insulating coating is held by the holding member, and in this portion, a part of the conductor is exposed from the insulating coating to the inside of the U-shaped portion. When the L-shaped member of the display portion is inserted inside the U-shaped portion, the first branch of the U-shaped portion is inserted between the surface S of the display portion and the L-shaped member, and the display portion and the connector portion are engaged. Since the outer surface of the L-shaped member and the one surface of the conductor wire of the portion held by the holding portion come into close contact with each other while being combined, the conductor exposed on the outer side of the L-shaped member and the conductor held by the holding portion are exposed. The display portion and the conductive wire are connected by making contact with the display portion.

When the display portion has a locking member, the connector portion is provided with an engaging portion that engages with the locking member. When the locking member of the display section is, for example, a hook-shaped member, the engaging section of the connector section is a protrusion. The reverse is also acceptable.

An insulated wire comprises a conductor and an insulating coating, and usually has two or more insulated conductors. The conductors are preferably arranged in parallel on the same plane. The holding member of the outlet part holds the insulated wire by engaging with a groove provided in the insulator of the insulated wire by, for example, two protrusions provided facing each other. A part of the conductor of the electric wire is exposed from the insulating coating in the portion held by the holding member. The display part and the outlet part are engaged, and the L-shaped member (display part)
When the outer surface of the wire and the one surface of the electric wire in the portion held by the holding member are in close contact with each other, the exposed portion of the conductor of the electric wire in the portion held by the holding member is Contact is made and an electrical connection is made. The insulated wire and the holding member may be integrally molded.

[0026]

The display device of the present invention is an improved display device comprising a display portion having display means, an insulated wire for supplying a signal to the display portion, and a connector portion connecting the display portion and the insulated wire. It is a thing.

The connector part of the display device of the present invention comprises a plug part integrated with the display part and an outlet part for holding an insulated wire. The plug part and the outlet part are respectively
At least a part has a U-shaped cross section. The first branch of the U-shaped part of the plug part is between the two branches of the U-shaped part of the outlet part, and the first branch of the U-shaped part of the outlet part is the U-shaped part of the plug part. It can be inserted between two branches. In this way, the two U-shaped portions are combined. The plug part includes a conductor whose one end is connected to the display means, and a part of this conductor is exposed to the outside of the U-shaped part. The U-shaped second branch of the outlet part holds a part of the insulated wire. With such a configuration, when the two U-shaped parts of the plug part and the outlet part are combined,
The display part and the plug part are engaged with the outlet part, and the outer surface of the first branch of the U-shaped part of the plug part and one surface of the insulated wire held by the outlet part are in close contact with each other. In the part where the wire is held in the outlet part, the conductor of the part facing the inside of the U-shaped part is exposed from the insulator, so it was exposed outside the conductor of the insulated wire and the U-shaped part of the plug part. The conductors come into contact with each other, and the plug portion and the outlet portion, and thus the display portion and the insulated wire are connected.

When the display portion has the engaging member, the engaging portion that engages with the engaging portion is provided in the outlet portion. Therefore, when the engaging portion of the outlet portion is engaged with the engaging member of the display portion, the plug portion is engaged. The socket portion, and thus the display portion and the connector portion are engaged with each other and fixed to each other.

The first branch of the U-shaped portion of the plug portion inserted into the space between the two branches of the U-shaped portion of the outlet portion is the exposed portion of the conductor of the plug portion and the exposed portion of the conductor of the insulated wire. Since the contact part of the part is covered, intrusion of water droplets into this part is prevented.

In the connector of the present invention, at least a part of the outlet has a U-shaped cross section, and at least a part of the plug also has a U-shaped cross section. One of the branches of the U-shaped cross section of the plug part can be inserted inside the plug to combine the parts of the U-shaped cross section, and the outlet part and the plug part are engaged with each other. The plug portion has engaging means (first engaging means) for engaging with the plug portion inside or on the extension of the portion having the U-shaped cross section, while the outlet portion has the portion having the U-shaped cross section. Since the corresponding engaging means (second engaging means) for engaging with the first engaging means is provided on the outer side or the extension thereof, these engaging means engage with each other, and the outlet part And the plug portions are fixed to each other.

The first conductor is exposed from the insulator outside one branch of the U-shaped cross section of the plug part, and the second conductor is exposed from the insulator inside the U-shaped cross section of the outlet part. Since it is exposed, when the outlet portion and the plug portion are engaged, the first conductor of the plug portion and the second conductor of the outlet portion are electrically connected at their exposed portions.

[0032]

EXAMPLES Examples will be shown below for further specific description of the present invention. [Embodiment 1] A display device according to the present invention comprises a display (main body), a connector and a conductor. The display of the display device according to the present invention is shown in FIG. 1A shows a front surface, FIG. 1B shows a back surface, FIG. 1C shows a cross section taken along the plane XX ′, and FIG. 1D shows a part of the cross section taken along the plane YY ′. It has been shown. The display 10 has a display body 11 on the front surface, and fixed hooks 12, 12 'and protrusions 13, 13', 13 ", on the back surface.
13 ″ ″. The fixed hooks 12 and 12 ′ are elastically biased inward. The fixed hook 12 and the protrusions 13 and 13 ′ are on the left side toward the fixed hook 12 ′ and the protrusion 13. ", 13 '" is located on the right side.

A connecting portion 14 having an L-shaped cross section is provided in the lower center of the back surface of the display device 10, and the base portion thereof is the display device 10.
Protruding from the lower end of the display 10, and the front end extends parallel to the back surface of the display device 10 to form a space therebetween. A recess 15 is provided at the bottom of this space, that is, inside the base of the connecting portion 14. As shown in FIG. 1D, the connecting portion 14
A conductor 17 that is electrically connected to the display unit 11 is provided inside, and a tip portion 16 of the conductor 17 is exposed to the outside through a hole 18. The tip portion 16 of the conductor 17 is urged outward by an elastic force.

The cross section of the display device according to the present invention is shown in FIG.
The cross section of the connector and the insulated wire held by the connector is shown in FIG. As shown in FIG. 2B, the connector 20 is composed of an upper portion having a substantially L-shaped cross section and a lower portion having a U-shaped cross section, and extends perpendicularly to the paper surface. An eaves portion 24 extends horizontally in the upper portion, and a screw hole 26 is provided at the tip. Another screw hole 27 is provided near the center. A protrusion 21 is provided on the lower end of the connector 20, and a hook-shaped protrusion 23 is provided on the upper part thereof. Further, a step portion 22 is provided outside the lower U-shaped portion. Protrusion 2
1, the protrusion 23, and the step portion 22 serve as means for engaging the connector 20 with the display 10. One branch of the lower U-shaped portion forms an electric wire holding portion 25, and projections 28 and 29 are provided inside the base portion and the tip end portion thereof, and the electric wire 30 is held between them.

FIG. 2C shows the wire holding portion 25 and the wire 3.
The cross section of 0 is shown enlarged. The electric wire 30 includes a conductor 31 and an insulating coating 32, but a part of the conductor 31 is exposed from the insulating coating 32 on the surface of the electric wire 30 that is not in contact with the electric wire holding portion 25. Grooves 33, 33 'are provided on both edges of the electric wire 30,
The protrusions 28 and 29 of the wire holding portion 25 are engaged with each other.

FIG. 2A shows a state in which the connector 20 is engaged with the display 10. The projection 21 at the lower end of the connector 20 abuts on the recess 15 at the bottom of the display 10, the step portion 22 abuts on the projection 13 and the like, and the projection 23 engages on the fixed hook 12 and the like on the top of the display 10. A method for engaging the connector 20 with the display 10 will be described with reference to FIG.

The connector 20 is formed in a rod shape having a required length, and is fixed to the front surface of the shelf of the showcase or the like. When the connector 20 is directly fixed to a shelf or the like, as shown in FIG. 3A, the angle metal fitting 41 is fixed to the shelf surface or the like with a wood screw 42, and the same applies to a place separated by the length of the connector 20. Fix the angle metal fitting 41 '. The angle fittings 41, 41 'are provided with holes 43, 44 for inserting screws at positions corresponding to the screw holes 26, 27. As shown in FIG. 3B, the connector 2 is sandwiched between the metal fittings 41, 41 '.
0 and place a wood screw 45 into the hole 4 as shown in FIG.
The connector 20 is fixed to the angle fittings 41, 41 ′ by screwing through 3, 44 into the screw holes 26, 27. Figure 3
In (C), a gutter-shaped rail 46 is used instead of the shelf surface 40.

FIGS. 3D and 3E show a gutter-shaped rail 46.
The state where the angle metal fitting 47 is fitted is shown in FIG. Figure 3
(D) shows a state in which the angle metal fitting 41 is inserted into the gutter-shaped rail 46 (the angle metal fitting 41 is slanted with respect to the rail 46), and the angle metal fitting 41 is perpendicular to the rail 46. The angle fitting 41 can be fixed to the rail 46 as shown in FIG.

A method of fixing and connecting the display 10 to the connector 20 fixed by the method shown in FIG. 3 will be described with reference to FIG. First, as shown in FIG.
The connection portion 14 of 0 is inserted from below the connector 20 into the inside of the U-shaped portion. Protrusion 2 at the bottom of connector 20
When the indicator 10 is pushed toward the connector 20 after the insertion 1 is inserted into the concave portion 15 at the bottom of the connection portion 14 (see FIG. 2), the step portion 22 abuts the protrusion 13 and the protrusion 23
Engages with the hook-shaped projection 12, and as a result, the indicator 10 is fixed to the connector 20 as shown in FIG.
The tip 16 of the conductor 17 exposed to the outside of the connection portion 14 contacts the exposed portion of the conductor 31 of the electric wire 30 held by the connector 20 and is electrically connected.

[0040]

According to the display device of the present invention, the display section can be fixed and the electrical connection to the signal source can be made in one operation without causing any trouble due to dew condensation. According to the display device of the present invention, the degree of freedom in changing the product layout can be increased when the display device is used to display the product price of a display shelf or the like. Further, the cost required for the connecting portion is small. Further, according to the present invention, there is provided a connector which can be electrically connected in one movement without causing a trouble due to dew condensation.

[Brief description of drawings]

1A is a front elevational view of a display unit of a display device of the present invention, FIG. 1B is a rear elevational view, and FIGS. 1C and 1D are side sectional views.

2A is a cross-sectional view of a display device of the present invention. FIG.
(B) is a sectional view of the outlet portion, and (C) is a sectional view of the electric wire holding portion and the insulated electric wire.

FIG. 3 is an explanatory view of a method of fixing the connector.

FIG. 4 is an explanatory view showing a method of engaging the connector and the display.

FIG. 5 is an explanatory diagram of a conventional display device.

6A, 6B, 6C, and 6D are explanatory views of a conventional display device.

FIG. 7 is an explanatory diagram of a conventional display device.

[Explanation of symbols]

 10 indicator 11 display body 12, 12 'fixing hook 13, 13', 13 ", 13 '" protrusion 14 connection 15 recess 16 conductor tip 17 conductor 18 hole 20 connector 21 protrusion 22 protrusion 23 protrusion 24 eaves 25 wire holding part 26,27 screw hole 28,29 protrusion 30 wire 31 conductor 32 insulating coating 33,33 'groove 41,41' angle metal fitting 42 wood screw 43,44 hole 45 wood screw 46 rail 47 angle metal fitting 51 indication Plate 52 Plate-shaped support member 52a, 52b Projection part 53 Display part 56 Channel 57a, 57b Projection part 58a, 58b Conductor 61 Channel 61a Groove 62 Conductor 63 Connector 64 Insulator 65 Terminal 66 Spring 67 Wiring 68 Display body 69 Display body 610 Connection Pin 71 Cable 72 Pressure contact connector 73 Branch connector 74 Extension Ke - Bull 75 display 76 display unit

Claims (5)

[Claims] 1. A display unit having a display surface for performing a predetermined display by an electric signal, an insulated wire for supplying a signal to the display unit, and a connector unit connecting the display unit and the insulated wire. In the display device, the connector portion includes a plug portion integrated with the display portion, and an outlet portion that holds the insulated wire, and each of the plug portion and the outlet portion has a U-shaped cross section. The plug portion includes a conductor whose one end is connected to the display surface, and a part of the conductor is elastically exposed to the outside of the U-shaped portion. The portion is held by one blade of the U-shaped portion of the outlet portion, and at this portion, a part of the conductor is exposed from the insulating coating to the inside of the U-shaped portion, and the U-shaped portion of the plug portion is And the outlet part By combining the character-shaped portions so that each wing is inserted into the other opening, the outer surface of the U-shaped portion of the plug portion and the insulated wire of the portion held by the outlet portion are combined. One surface is in close contact with the conductor exposed on the outside of the U-shaped portion of the plug portion, and the exposed portion of the conductor of the insulated wire of the portion held by the outlet portion is in contact with the display portion. A display device, which is configured to be connected to the conductor. 2. The display device according to claim 1, wherein the display portion has the display surface on one surface thereof and the plug portion on the other surface thereof. 3. The display according to claim 1, wherein the plug portion includes an engaging member for engaging with the outlet portion, and an engaging member corresponding to the engaging member is provided on the outlet portion. apparatus. 4. The engagement member of the plug portion is biased by an elastic force, and the engagement of the outlet portion with the corresponding engagement member is performed by this biasing.
Or the display device of 2. 5. A plug part composed of a first conductor and an insulator and connected to a load or an output side, an outlet part composed of a second conductor and an insulator, and connected to a power source or a signal source by a conductor. And a plug part having a U-shaped cross section at least in part,
The first conductor is exposed from the insulator on the outside of one blade of the U-shaped portion, and the first engagement for engaging with the outlet portion is provided inside or on the extension of the U-shaped portion. A member, the outlet portion has a U-shaped cross section at least in part, the second conductor is exposed from the insulator inside this portion, and the outside of the U-shaped cross-section portion Alternatively, a second engaging member for engaging with the first engaging member is provided on the extension thereof, and the U-shaped portion of the plug portion is provided inside the portion of the U-shaped cross section of the outlet portion. When the one wing of the section having a cross section is inserted and the outlet part and the plug part are combined, the first engaging member and the second engaging member engage with each other, and the plug part And the outlet part are integrated with each other, and the first conductor and the front part of the plug part are integrated. It said second conductor outlet portion is configured such that each are electrically connected in the exposed portion, the connector.