CN110375283A - One kind is telescopic to take electric rail - Google Patents

Abstract

The present invention relates to a kind of telescopic carriages for taking electric rail, protruding into cavity including the bar shaped shell (1) with hollow cavity, one end and being connected with shell (1) sliding；Described shell (1) one end is equipped with input lead (2) and the other end is equipped with output lead (3), the carriage is electrically connected with input lead (2) and output lead (3), and corresponding change occurs for the extension elongation of carriage output lead (3) opposite shell (1) along shell (1) length direction sliding process.Using this design, the carriage of electric rail being taken by adjusting, can make extension elongation corresponding change of the output lead relative to shell, to meet the length requirement different to current supply line, operation is very easy, and appearance looks elegant.

Description

A telescopic power-taking track

technical field

The invention relates to the technical field of lighting, in particular to a telescopic power-taking track.

Background technique

When installing lamps on shelf shelves in supermarkets, shopping malls and other occasions, the power supply wires need to be led out from the back of the shelves and then routed along the side brackets below the shelves and then connected to the lamps. board bracket.

In the prior art, the width of the shelf laminates will be adjusted frequently, which will cause the installation position of the lamps to change accordingly, and then the length of the wires will also have to be adjusted to meet the requirements of the installation position of the lamps, which will increase the workload of cable management. ; Simultaneously, because the power supply wire of existing design is exposed outside, need to reserve certain length during installation so that follow-up adjustment utilizes, and influences attractive in appearance.

Contents of the invention

In view of the above problems, the purpose of the present invention is to provide a telescopic power-taking track that can be adjusted in length according to changes in the width of the laminate and the position of the lamp, and is easy to operate and beautiful in appearance.

In order to achieve the above object, the technical solution of the present invention is: a telescopic power-taking track, which is characterized in that it includes a strip-shaped housing with a hollow cavity and a sliding device with one end extending into the cavity and slidingly connected with the housing;

One end of the housing is provided with an input wire and the other end is provided with an output wire. The sliding device is electrically connected to the input wire and the output wire respectively. Change accordingly.

Further, the sliding device includes a casing with one end protruding into the cavity and capable of moving along the length direction of the casing, and a power-taking part that is mated and connected with the casing. The power-taking part is electrically connected to the input wire and the output wire respectively, so that The output wires protrude from the other end of the housing.

Further, the power-taking part includes two conductive terminals, two opposite inner walls of the housing are provided with power-taking strips respectively connected to the positive and negative poles of the input wires, and the conductive terminals are in corresponding contact with the power-taking strips.

Further, the housing is an insulating hard tube, and the two conductive terminals are arranged on one end of the insulating hard tube inside the casing by encapsulation, and the output wire is embedded in the insulating hard tube and is connected by the other One end sticks out.

Further, the two ends of the housing are respectively provided with closed end caps, and the input wires and insulating hard tubes respectively extend into the housing through the end caps on the corresponding sides.

Further, a bump is formed on the insulating hard tube near the conductive terminal, and the bump can abut against the corresponding end cap when the insulating hard tube slides to limit the insulating hard tube.

Further, the power-taking component includes two power-taking strips, and two conductive terminals electrically connected to the positive and negative electrodes of the input wire are fixed on the inner wall of the housing, and the conductive terminals are in corresponding contact with the power-taking strips.

Further, the housing is provided with grooves formed along the length direction of the housing and capable of accommodating conductive terminals, and the power strips are distributed on both inner sidewalls of the grooves.

Further, a fixed block is arranged inside the housing, and the conductive terminals are distributed on both sides of the fixed block, and a transmission bar connected to the input wire and used to supply power to the conductive terminals is also provided on the inner wall of the housing.

Further, a limiting block is provided at one end of the casing located in the housing, and the limiting block can abut against the fixed block when the casing slides to limit the casing.

Further, the one end of the housing and the other end of the housing are respectively provided with sealed end caps, the input wires extend into the housing through the corresponding end caps, and the output wires extend into the housing through the corresponding end caps. The body is connected with the electric strip.

Further, the end cover is provided with a magnetic block, and the housing is fixed on the surface to be installed by adsorption of the magnetic block.

Further, a wire tie is sheathed on the output wire.

Compared with the prior art, the present invention has the advantages of setting the power supply wires that were exposed in the past and need to be reserved for a certain length into telescopic power-taking tracks that can be applied to different shelf widths. When installing lamps, by adjusting the power-taking track The sliding device can change the extension length of the output wire relative to the power supply rail, so as to meet the different length requirements of the power supply wire, avoid the troublesome problem of wire management in the traditional design, and the operation is very convenient; at the same time, this design makes the power supply Most of the wires are located inside the power-taking track, making the overall device neat and beautiful.

Description of drawings

Fig. 1 is a structural schematic diagram of an embodiment of the telescopic power-taking track of the present invention.

Fig. 2 is a schematic diagram of the exploded structure in Fig. 1 .

Fig. 3 is a schematic diagram of the exploded structure in another direction in Fig. 1 .

Fig. 4 is a structural schematic diagram of another embodiment of the telescopic power-taking track of the present invention. .

FIG. 5 is a schematic diagram of the exploded structure in FIG. 4 .

FIG. 6 is a schematic diagram of the exploded structure in another direction in FIG. 4 .

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

As shown in Figures 1 to 6, they are structural schematic diagrams of embodiments of the present invention. The telescopic power-taking track includes a strip-shaped casing 1 with a hollow cavity and a strip-shaped casing with one end extending into the cavity of the strip-shaped casing 1 and slidingly connected with the casing 1. Sliding device; one end of the housing 1 is provided with an input wire 2 and the other end is provided with an output wire 3, the sliding device is electrically connected to the input wire 2 and the output wire 3 respectively, and at the same time, the sliding device slides along the length direction of the housing 1 during the output wire 3 The protruding length relative to the shell 1 also changes accordingly. In this way, when installing lamps in shelves with different widths, it is only necessary to adjust the sliding device so that the protruding length of the output wire 3 relative to the shell 1 changes correspondingly, which can meet the requirements for installing lamps in the shelves, and is very convenient to use.

Specifically, as shown in Figures 1 to 6, the sliding device includes a housing 4 with one end protruding into the cavity of the housing 1 and capable of moving along the length direction of the housing 1, and a power-taking part that is mated with the housing 4. The components are electrically connected with the input wire 2 and the output wire 3 respectively, and the output wire 3 protrudes from the other end of the housing 4 . During use, by pushing the housing 4 into the housing 1 or pulling the housing 4 outward, the distance between the other end of the housing 4 and the housing 1 can be reduced or increased, so that the other end of the housing 4 protrudes The protruding length of the output wire 3 becomes shorter or longer than the housing 1, so as to meet the requirements of different lengths of power supply wires for lamp installation.

As a preferred embodiment, as shown in Figures 1 to 3, the power-taking part includes two conductive terminals 5, and the two opposite inner walls of the housing 1 are provided with terminals connected to the positive and negative poles of the input wire 2, respectively. The power-taking bar 6 , the conductive terminal 5 is in corresponding contact with the power-taking bar 6 . Specifically, the housing 4 is an insulating hard tube, one end of the insulating hard tube extends into the shell 1, two conductive terminals 5 are arranged on opposite sides of one end of the insulating hard tube in the shell 1, and the output wire 3 is located on the One end of the insulating hard tube protrudes through the hole opened on the insulating hard tube and is connected to two conductive terminals 5 respectively. The conductive terminals 5 are fixed on the insulating hard tube by encapsulation, and the output wire 3 is buried in the insulating hard tube and Protrude from the other end of the insulating hard tube.

In the above design, the current passes through the input wire 2, the power strip 6, the conductive terminal 5, and the output wire 3 in order to form a path. During the process of pushing and pulling the insulating hard tube, the insulating hard tube will drive the conductive terminal 5 to move relative to the power strip 6, and The output wire 3 protruding from the other end of the insulating hard tube will also move with the insulating hard tube, so that the protruding length of the output wire 3 relative to the housing 1 changes.

In this embodiment, the two ends of the casing 1 are respectively provided with closed end caps 7, and the input wires 2 and the insulating hard tubes respectively extend into the casing 1 through the end caps 7 on the corresponding sides, so that the power-taking track can have a Very good waterproof performance. As a preference, the end cap 7 can be formed by encapsulation. At the same time, in order to prevent external moisture from entering the shell 1 through the insulating hard tube, the end of the insulating hard tube inside the shell 1 adopts a closed structure, and the conductive terminal 5 is arranged on the insulating hard tube by encapsulation, which can protect the insulating hard tube. The hole through which the output wire 3 is passed is sealed, which can effectively prevent moisture from entering the casing 1 through the insulating hard tube. Further, the end of the insulating hard tube protruding from the output wire 3 and the output wire 3 are also fixed and sealed with glue, which can prevent moisture from entering the insulating hard tube, and can avoid pulling the output wire 3 to cause the output wire 3 to be disconnected from the conductive terminal. 5 The connection is loose, resulting in poor contact.

In this embodiment, a bump 41 is formed on the insulating hard tube near the conductive terminal 5, and the bump 41 is arranged on the side of the conductive terminal 5 protruding from the output wire 3 close to the insulating hard tube. When the hard tube slides, it can be offset against the corresponding end cover 7 to limit the position of the insulating hard tube, which can avoid the conductive terminal 5 directly abutting against the end cover when the power supply wire needs to be extended and the insulating hard tube is pulled excessively, thereby damaging the conductive terminal 5 or causing Poor contact improves the service life of the conductive terminal 5 .

In this embodiment, the area on both sides of the cavity section of the casing 1 is smaller than the area of the middle part, the section in the middle part of the cavity is a circle matching the diameter of the insulating hard tube, and the sections on both sides of the cavity are circles with a diameter smaller than the section in the middle part. shape, the power strip 6 is set in the circular cavities on both sides. Of course, it is conceivable that the power-taking strip 6 can also be fixed in the hollow cavity of the housing 1 in other ways, such as by bonding.

As another preferred mode, as shown in Figures 4 to 6, the power-taking part includes two power-taking strips 6, and two conductive strips 6 are fixed on the inner wall of the housing 1 to be electrically connected to the positive and negative poles of the input wire 2, respectively. Terminal 5, the conductive terminal 5 is in corresponding contact with the power strip 6.

Specifically, the housing 4 is provided with a groove 42 formed along the length direction of the housing 4 and capable of accommodating the conductive terminal 5 , and the power strips 6 are distributed on both inner side walls of the groove 42 . In this embodiment, the free end of the side wall of the groove 42 is bent on both sides to form a first locking groove 43 towards the bottom of the groove, and a second locking groove 44 opposite to the first locking groove 43 is formed on the bottom of the groove. The power-taking strip 6 is clamped and fixed in the first slot 43 and the second slot 44 , of course, the power-taking strip 6 can also be fixed with the groove 42 by means of bonding or the like. The housing 1 is provided with a fixing block 11, and there are many ways to fix the fixing block 11 and the housing 1. In this embodiment, a T-shaped convex strip 12 is arranged on the inner wall of the housing 1, and a T-shaped groove is formed on the fixing block 11. 111, the shell 1 is provided with a first limiting hole 13 on both sides of the T-shaped convex strip 12, and the fixing block 11 is formed with a second limiting hole 112 opposite to the first limiting hole 12 on both sides of the T-shaped groove 111. On the one hand, the block 11 restricts the movement of the fixed block 11 in the vertical direction of the length of the housing 1 through the cooperation of the T-shaped convex strip 12 and the T-shaped groove 111; 14 to limit the movement of the fixed block 11 along the length of the housing 1; the conductive terminals 5 are distributed on both sides of the fixed block 11, and the conductive terminals 5 can be connected to the fixed block 11 by bonding or screw connection; A power strip 15 is provided which is connected to the input conductor 2 and supplies the conductive terminal 5 with power.

In the above design, the current passes through the input wire 2, the power transmission bar 15, the conductive terminal 5, the power strip 6, and the output wire 3 to form a path in sequence. During the process of pushing and pulling the housing 4, the housing 4 drives the power strip 6 to move. During the movement, the conductive terminal 5 and the power strip 6 are always in contact, and the output wire 3 connected to the other end of the casing 4 also moves with the casing 4, so that the protruding length of the output wire 3 relative to the casing 1 changes.

In this embodiment, a limit block 45 is provided at one end of the housing 4 located in the housing 1, and the limit block 45 can abut against the fixed block 11 to limit the position of the housing 4 when the housing 4 slides. It can prevent the casing 4 from slipping out of the casing 1 during the pulling process.

In this embodiment, the one end of the housing 1 and the other end of the housing 4 are respectively provided with sealing end caps 7, the input wires 2 extend into the housing 1 through the corresponding end caps 7, and the output wires 3 extends through the corresponding end cover 4 into the housing 4 and connects with the power strip 6 .

It should be mentioned that the above-mentioned conductive terminal 5 can be a terminal with a model number of 2510, the power-taking bar 6 can be made of copper bar, and the power-transmitting bar 15 can also be made of copper bar.

Because most of the existing shelves adopt iron shelves, in order to facilitate the fixing of the power-taking track, a magnetic block 91 is provided on the end cover 7, and the shell 1 is fixed on the surface to be installed on the shelf through the adsorption of the magnetic block 91. Of course, It is conceivable that the magnetic block 91 can also be arranged on the casing 1 . If the power-taking track of the present application is used on a non-iron shelf, such as a wooden shelf, the power-taking track can be fixed by bonding, screw connection or other fixing methods.

In this application, in order to prevent the output wire 3 from protruding too long relative to the housing 1 and sagging, the output wire 3 is covered with a wire buckle 92, and the wire buckle 92 is fixed to the surface to be installed by means of magnetic attraction. It can be made of materials such as rubber wrapping, and of course the wire buckle 92 can also be set on the input wire 2 .

It should be noted that the power-taking track of this application can be used not only for the installation of shelf lamps, but also for occasions such as showcases and homes.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and deformations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope is defined by the claims and their equivalents.

Claims (13)

1. A telescopic power-taking track, characterized in that: comprising a strip-shaped housing (1) with a hollow cavity, one end extending into the cavity and slidingly connected to the housing (1); One end of the housing (1) is provided with an input wire (2) and the other end is provided with an output wire (3), and the sliding device is electrically connected to the input wire (2) and the output wire (3) respectively, and the sliding device is along the During the sliding process of the casing (1) in the length direction, the protruding length of the output wire (3) relative to the casing (1) changes accordingly. 2. The telescopic power-taking track according to claim 1, characterized in that: The sliding device includes a housing (4) with one end protruding into the cavity and capable of moving along the length direction of the casing (1), and a power-taking part that is mated and connected with the housing (4), and the power-taking part is connected to the input wire (2 ), the output wires (3) are electrically connected respectively, and the output wires (3) protrude from the other end of the housing (4). 3. The telescopic power-taking track according to claim 2, characterized in that: The power-taking part includes two conductive terminals (5), and two opposite inner walls of the housing (1) are provided with power-taking strips (6) respectively connected to the positive and negative poles of the input wires (2). The conductive terminal (5) is in corresponding contact with the power strip (6). 4. The telescopic power-taking track according to claim 3, characterized in that: The casing (4) is an insulating hard tube, and the two conductive terminals (5) are arranged on one end of the insulating hard tube inside the casing (1) by way of encapsulation, and the output wire (3) is embedded in the insulating In the hard tube and protruded from the other end of the insulating hard tube. 5. The telescopic power-taking track according to claim 4, characterized in that: The two ends of the housing (1) are respectively provided with closed end caps (7), and the input wires (2) and insulating hard tubes respectively extend into the housing (1) through the corresponding end caps (7). 6. The telescopic power-taking track according to claim 5, characterized in that: A bump (41) is formed on the insulating hard tube close to the conductive terminal (5), and the bump (41) can abut against the corresponding end cover (7) when the insulating hard tube slides to protect the insulating hard tube. limit. 7. The telescopic power-taking track according to claim 2, characterized in that: The power-taking part includes two power-taking strips (6), and two conductive terminals (5) electrically connected to the positive and negative poles of the input wires (2) are fixed on the inner wall of the casing (1), and the conductive terminals (5) Correspondingly contact with the power strip (6). 8. The telescopic power-taking track according to claim 7, characterized in that: The housing (4) is provided with grooves (42) formed along the length direction of the housing (4) and capable of accommodating conductive terminals (5), and the power strips (6) are distributed in the grooves (42) on both inner walls. 9. The telescopic power-taking track according to claim 8, characterized in that: The housing (1) is provided with a fixed block (11), the conductive terminals (5) are distributed on both sides of the fixed block (11), and the inner wall of the housing (1) is also provided with a wire connected to the input wire (2). And a power strip (15) for supplying power to the conductive terminal (5). 10. The telescopic power-taking track according to claim 9, characterized in that: One end of the housing (4) located in the housing (1) is provided with a limit block (45), and the limit block (45) can be offset against the fixed block (11) when the housing (4) slides. Limit the housing (4). 11. The telescopic power-taking track according to claim 7, characterized in that: The one end of the housing (1) and the other end of the housing (4) are respectively provided with sealing end caps (7), and the input wires (2) extend into the housing through the corresponding end caps (7), The output wire (3) extends into the housing (4) through the corresponding end cover (7) and is connected with the power strip (6). 12. The telescopic power-taking track according to claim 1 or 5, characterized in that: The end cover (7) is provided with a magnetic block (91), and the housing (1) is adsorbed and fixed on the surface to be installed by the magnetic block (91). 13. The telescopic power-taking track according to claim 1, characterized in that: A wire tie (92) is sheathed on the output wire (3).