JPH04131886U - Electrical indicator connection device - Google Patents

Abstract

(57) [Summary] [Purpose] Directly electrically connect the display unit H to the main cable 1. [Structure] A wiring rail section R and a display section H have a means A that is detachably attached to the wiring rail section and a means B that is electrically connected to the wiring rail section H. A main cable 1 whose surface is made watertight with a plastic flexible waterproof layer 2 within the surrounding wall r of the cable portion R, and a backup layer 3 is provided on the back surface.
On the other hand, the display section H has an electrical display section 11 on the front side, and a connecting pin 7 that is longer than the layer thickness of the plastic flexible waterproof layer 2 is provided protrudingly on the back side. A pin guide tube 8 is provided on the outer periphery of the connecting pin 7 to be fitted on the outside of the surrounding wall r of the wiring rail portion R. And detachable means A
By mounting the display section H toward the wiring rail section R through the connecting pin 7, the connection pin 7 is guided by the pin guide tube 8 and passes through the plastic flexible waterproof layer 2 to connect the main cable. 1 and conducts.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention is a connection for attaching a display by making a direct electrical connection to the main cable. related to connection devices.

0002

[Conventional technology]

In most supermarkets, price tags are attached to each product on the shelves. Although it is handwritten, it takes a lot of effort and time to rewrite the product name and price. However, some places even commission pop designers. As a method of displaying this price tag using electrical signals, the display section and control section are connected using a cable. There is a way to connect. For example, the cable can be used as a cable connector to connect to the main cable. There is a type with an opening or a cover, and in Utility Model Application No. 56-37387 A method is shown in which the connector is connected by pushing the cover and inserting the connector. Ma In addition, Japanese Patent Laid-Open No. 62-254369 describes a needle for connecting branch cables. A plug-in type connector is provided that penetrates the cable sheath and makes contact with the conductive wire. Ru.

0003 To attach a price display to a showcase using these conventional means, there are no The two cables are also connected by a branch cable, so this cable is connected externally. The parts are exposed and look bad, and installation marks remain after removal, making it difficult to repair. It was hot. Also, when connecting or disconnecting, you must disconnect and connect the connector separately from the display. It was a double effort. Furthermore, if you want to install many display devices on one product shelf, you can use the conventional one cable, one This was difficult with the connector method. In particular, metal corrosion is likely to occur on product shelves such as vegetables and fish due to high humidity. The environment was not suitable for installing electrical products.

0004

[Problem that the idea aims to solve]

This invention was made in view of the above circumstances, and the rail part and the display part are one piece. It can be attached and detached with a touch, and it can be installed inside a rail that is pre-installed on a showcase etc. Connect the conductor connection pin provided on the back of the display to the cable covered with the waterproof layer. Penetrates through the waterproof layer and connects, replacing conventional branch cables and cable connectors. The present invention provides a device that can electrically connect a display section.

[0005]

[Means to solve the problem]

In order to solve the above-mentioned problems, the present invention has been developed so that the wiring rail section R and the display section H are connected to each other. It has means A that is removably attached and means B that is electrically connected. As an electrical connection means B, the surface inside the surrounding wall r of the wiring rail portion R is made of an insulator. A flexible waterproof layer 2 makes it watertight, and a backup layer 3 made of elastic material is provided on the back side. The main cable 1 that has been provided is then installed. On the other hand, the display section H includes the electrical display section 11 on the front side, and the plastic display section H on the back side. A connecting pin 7 that is longer than the layer thickness of the flexible waterproof layer 2 is provided protrudingly, and this connecting pin A pin guide tube 8 is provided on the outer shell of the wiring rail portion R to be fitted on the outer side of the surrounding wall r of the wiring rail portion R. Let's go. Then, the display section H is mounted toward the wiring rail section R via the detachable means A. By doing so, the connecting pin 7 is guided by the pin guide tube 8 and becomes flexible. It penetrates through the soft waterproof layer 2 and comes into contact with the main cable 1.

[0006] In addition, in the wiring rail portion R, a plastic flexible The surface of the soft waterproof layer 2 is covered with a noise isolation shield 9, and the noise isolation shield is The surface of the lead 9 is covered with a surface protection sheet 4, and the connecting pin 7 provided on the display section H is covered with a surface protection sheet 4. An insulating band 7a is wrapped around a predetermined intermediate portion.

[0007]

【Example】

The present invention will be explained based on the embodiments shown in the drawings. 1, 2 and 3, the present invention shows a combination of a wiring rail section R and a display section H. It is composed of a combination of The wiring rail portion R is made of aluminum to have a noise prevention effect. A locking portion 5 formed on the ring portion R and a locking claw made of synthetic resin provided on the back side of the display portion H. 10 is engaged in a hook-style (FIG. 1) or lock-style (FIG. 4) manner.

[0008] A plurality of main cables 1 are arranged in parallel within the surrounding wall r of the wiring rail portion R, and The surface is made watertight with an insulating plastic flexible waterproof layer 2 made of rubber or the like. Furthermore, this waterproof layer 2 The surface layer is covered with an insulating and waterproof surface protection sheet 4 such as a highly elastic rubber screen. If you do this, you can hide the pin removal marks and look good. Main cable 1 has power and GN D. It is better to make the three signal wires parallel and make the cross-sectional shape of these wires plate-like than circular. Non-contact of the pin 7 due to positional deviation of the pin 7 can be avoided. Also, line thickness and thickness The wire must be strong enough to prevent the pin 7 from getting stuck and damaging the wire. A back cover made of elastic material such as soft rubber is provided on the back side of the main cable 1. A top layer 3 is provided. This elastic repulsive force creates a high contact pressure between the pin tip 7b and the cable 1. Obtainable. Also, a spring 6 that pushes the pin is attached to the mounting base of the pin 7. This will make the contact pressure more stable.

[0009] On the other hand, on the front side in the display section H, there is an electrical display section 11 using a light emitting diode. The back side has a layer thickness equal to that of the plastic flexible waterproof layer 2, which is electrically connected to the internal wiring. A connecting pin 7 made of a long electrical conductor is provided protrudingly, and this connecting pin is connected to the parallel main case. They are arranged in a line in the vertical direction at intervals that match the laying width of the bulls 1. This connecting pin 7 has a rounded tip 7b that is not sharp, as shown in FIG. Take a certain shape. If it is sharp, the pin tip 7b may get stuck in the main cable 1 and damage it. This may cause wire breakage. Also, the roundness of the pin tip 7b increases the contact area. It has the effect of However, if the display does not require much movement, use a sharp pin. contact with the needle at the tip (as shown in (b) of Figure 5) or penetrating state (see Figure 5 (b)). There is no risk of disconnection even if there is contact as shown in 5.(c)), so there is almost no problem. No. Furthermore, if the pin 7 is too thick, it will be difficult to penetrate the plastic flexible waterproof layer 2. On the top, when you remove the pin 7, the removal mark of pin 7 will be noticeable, and the hole will not be completely covered, making it impossible to maintain waterproofness. Unsatisfactory situations also occur. If it is too thin, the pin 7 may be bent. The material of this pin 7 The surface is made of conductive copper, brass, iron, etc., and the surface is coated with nickel to prevent corrosion due to moisture. Make a fortune. A pin guide tube 8 is provided on the outer shell of the connecting pin 7, so that the display section H can be mounted smoothly and reliably. Make it wearable.

0010 In addition, in the wiring rail portion R, a plastic flexible The surface of the soft waterproof layer 2 is covered with aluminum sheet or conductive mesh to block electromagnetic noise. It is covered with a noise-blocking shield 9 made of a material such as. When the connection pin 7 provided on the display unit H is connected, the noise shielding seal An insulating band 7a made of synthetic resin is wrapped around the middle part of a predetermined range in order to maintain insulation from the cable 9. wear it. Furthermore, in order to hide the hole created by inserting the pin 7 and to increase the waterproof effect. For this purpose, the surface of the noise shield 9 is covered with a stretchable surface protection sheet 4. In addition to light-emitting diodes, electrical displays include liquid crystal displays, fluorescent display tubes, and electronic You can also use chromic displays, plasma displays, etc. Wear.

[0011]

[Action and effect]

Since the present invention has the above-mentioned configuration, the wiring rail portion R is placed in a show case etc. in advance. , and press the connecting pin 7 of the display section H onto the main cable 1 inside the wiring rail section R. Discipline them. Then, the plastic flexible waterproof layer 2 inside the wiring rail part R The connecting pin 7 penetrates through the waterproof layer 2 and comes into contact with the covered main cable 1, and electricity is generated. It is designed to connect cables in a flexible manner, and replaces conventional branch cables and cable connectors. The display section H is directly electrically connected as unnecessary, and the display section H is connected directly to the wiring rail section R. H itself can be attached. There are no restrictions on the connection position, so you can easily connect it to any position or as many times as you like. Can be attached.

0012 In addition, the plastic flexible waterproof layer 2 closes the extraction marks of the connecting pin 7, and also prevents the pin from being connected. It adheres closely to the housing 7 and maintains moisture-proof and waterproof properties, so you can use it with confidence even in humid places. can. Further, in the wiring rail portion R, the internal main cable 1 is connected to the wiring rail. In the embodiment where the main cable 1 is covered with the part R and the noise isolation shield 9, the entire circumference of the main cable 1 is The surrounding area is shielded and almost all noise is prevented, so there is no interference with electronic signals and no malfunctions occur. stomach. Furthermore, the contact pressure is stably maintained by the backup layer 3 and the connecting pin 7. A certain level of conductivity can be obtained.

[Brief explanation of drawings]

FIG. 1 is a vertical sectional side view of a wiring rail section and a display section in a separated state.

FIG. 2 is a longitudinal sectional side view of a connection state between a wiring rail section and a display section.

FIG. 3 is a longitudinal cross-sectional perspective view of main parts showing a separated state.

FIG. 4 is a longitudinal cross-sectional perspective view of main parts showing another mode of connection.

[Fig. 5] Vertical side views of the main cable and the surrounding area of the connecting pin, showing the connected state, (a) shows the state where the round pin tips touch each other, and (b) shows the state where the sharp pin tip touches the main cable. −
(c) shows the state in which the tip of the sharp pin penetrates the main cable and makes contact.

[Explanation of sign]

A. Releasable means B Electrical connection means R Wiring rail section r surrounding wall H Display unit 1 Main cable 2 Plastic flexible waterproof layer 3 Backup layer 4 Surface protection sheet 5 Locking part 6 pin spring 7 Connection pin 7a Connection pin insulation band 7b Connecting pin tip 8 Pin guide tube 9 Noise blocking shield 10 Locking claw 11 Electrical display section 12 cases

Claims (2)

[Scope of utility model registration request] 1. Means A for attaching the wiring rail section R and the display section H in a detachable manner; and means B for electrically connecting the wiring rail section R and the display section H.
and the wiring rail portion R as the electrical connection means B.
A main cable (1) whose surface is made watertight with a plastic flexible waterproof layer (2) made of an insulator and a backup layer (3) made of an elastic material is provided on the back side is arranged within the surrounding wall (r), On the other hand, the display section H has an electrical display section (1) on the front side.
1), and a connecting pin (7) longer than the layer thickness of the plastic flexible waterproof layer (2) is provided protruding from the back side, and the wiring rail is provided on the outer surface of this connecting pin (7). A pin guide tube (8) fitted on the outside of the surrounding wall (r) of the section R is provided, and the display section H is connected to the wiring rail section R via the detachable means A.
By attaching the pin guide tube (8) toward the
The electrical indicator connecting device is such that the connecting pin (7) is guided by the plastic flexible waterproof layer (2) and comes into contact with the main cable (1). [Claim 2] Covering the surface of the plastic flexible waterproof layer (2) attached to the wiring rail portion R with a noise blocking shield (9),
Furthermore, the surface of the noise isolation shield (9) is covered with a surface protection sheet (4), and an insulating band (7a) is wrapped around a predetermined intermediate portion of the connecting pin (7) provided on the display section H. The electrical indicator connection device according to claim 1.