CN212517803U

CN212517803U - Connector for constant-current rainbow tube

Info

Publication number: CN212517803U
Application number: CN202021502982.1U
Authority: CN
Inventors: 王广全; 赵拓
Original assignee: SHANDONG NEON KING ELECTRONICS CO LTD
Current assignee: SHANDONG NEON KING ELECTRONICS CO LTD
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-02-09
Anticipated expiration: 2030-07-27

Abstract

The utility model provides a connector used for a constant-current rainbow tube, which comprises a double-hole connecting tube, a connecting needle and a U-shaped connecting wire; the bottom surface of the double-hole connecting pipe is a straight plane, a spherical convex point is arranged on the straight plane at a position close to the end part of the double-hole connecting pipe, an annular groove is arranged on the side surface of the double-hole connecting pipe, countersunk holes are arranged at two ends of the double-hole connecting pipe, and a cylindrical sleeve is arranged in the countersunk holes; the connecting needle comprises a line pressing sheet, the side surface of the line pressing sheet is a stepped surface, the front end of the line pressing sheet is provided with a contact pin and a conical contact pin head, and the contact pin head is conical; the side of the U-shaped connecting line is provided with a plurality of conductive convex hulls, and two ends of the U-shaped connecting line are provided with conical connectors. The utility model discloses utilize assembled structural design to realize being connected of constant current source and rainbow pipe, and the mode intercommunication circuit that can peg graft fast after the rainbow pipe cuts, convenient operation is favorable to improving work efficiency, and life is longer, and connection stability is stronger, is fit for extensive the popularization.

Description

Connector for constant-current rainbow tube

Technical Field

The utility model belongs to the technical field of the lamp decoration, relate to the rainbow lamp, especially, relate to a connector for constant current rainbow pipe.

Background

The rainbow tube is a plastic linear decorative lamp made of high-brightness LED lamps, is a novel lamp replacing a miniature bulb neon tube, and has the advantages of low power consumption, high efficiency, long service life, easy installation, low maintenance rate, low possibility of breakage, high brightness and the like. Because the LED lamp can be lightened for a long time, is easy to bend, has high temperature resistance, good water resistance, green and environmental protection, rich color, good luminous effect and the like, the LED lamp is widely applied to buildings, building outlines and indoor and outdoor decoration. The existing LED rainbow tube is a linear luminous body which is generally formed by wrapping a flexible circuit board and a main line, wherein the flexible circuit board and the main line are welded with lamp beads, and the flexible circuit board and the main line are made of PVC materials. The power supply modes of the LED rainbow tube comprise constant voltage source power supply and constant current source power supply.

The existing rainbow tubes are generally made into bundles of a plurality of meters, and each meter unit can be cut. The constant-current rainbow tube is also a bundle of a plurality of meters, and each meter unit can be cut. Unlike other rainbow tubes: the constant current rainbow tube units are connected in series, and when a loop is formed, a current outflow pole and a current inflow pole of the constant current source are required to be respectively connected to the positive pole and the negative pole of the LED which are connected in series to form a closed loop. Because the two poles of the constant current source and the serially connected LED lamp strings are welded on the same flexible circuit board, and the current outflow pole and the current inflow pole of the constant current source are respectively connected to the corresponding bonding pads of the flexible circuit board through a main line, the constant current source and the LED lamp strings can be connected in a welding mode, but a dealer is required to have good welding capacity, and the mode is low in efficiency and not beneficial to large-scale popularization.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem that above-mentioned constant current rainbow pipe exists in the aspect of connecting, provide a reasonable in design, simple structure, be convenient for connect, the practicality is stronger, life is longer and be favorable to improving a connector that is used for constant current rainbow pipe of work efficiency.

In order to achieve the purpose, the technical scheme adopted by the utility model is that the connector for the constant-current rainbow tube provided by the utility model comprises a double-hole connecting tube, a connecting needle and a U-shaped connecting wire;

the bottom surface of the double-hole connecting pipe is a straight plane, spherical convex points are arranged on the straight plane at positions close to the ends of the double-hole connecting pipe, an annular groove is arranged in the middle of the side surface of the double-hole connecting pipe, countersunk holes are formed in the two ends of the double-hole connecting pipe, and a cylindrical sleeve made of wear-resistant metal is arranged in each countersunk hole;

the connecting needle comprises a line pressing piece, the side surface of the line pressing piece is a stepped surface, a contact pin is arranged at the front end of the line pressing piece, the front end of the contact pin is a contact pin head, and the contact pin head is in a conical shape;

the U type connecting wire includes integrated into one piece's first connecting portion, second connecting portion and third connecting portion, the side of first connecting portion and third connecting portion all is provided with a plurality of electrically conductive convex hulls, electrically conductive convex hull is shell structure, the both ends of U type connecting wire are provided with the connector, the connector is the circular cone form.

Preferably, the pinhead and the connector are of a spring chuck structure, the side surface of the pinhead is provided with a plurality of elastic contact pin gaps which are distributed in the radial direction, and the side surface of the connector is provided with a plurality of elastic connection gaps which are distributed in the radial direction.

Preferably, the conductive convex hull becomes gradually higher in a direction from the connection head to the second connection part.

Preferably, the cross-sectional curve of the groove is a parabola.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

1. the utility model provides a pair of a connector for constant current rainbow pipe utilizes assembled structural design to effectively realize being connected of constant current source and rainbow pipe, can be with the mode intercommunication circuit of pegging graft fast after the rainbow pipe cuts moreover, reasonable in design, and simple structure is favorable to improving work efficiency, and life is longer moreover, and connection stability is stronger, is fit for extensive the popularization.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic diagram of an embodiment of a connector assembly for a constant flow rainbow tube;

FIG. 2 is a cross-sectional view of a dual bore connection tube provided in accordance with an embodiment;

FIG. 3 is a cross-sectional view of a connecting pin according to an exemplary embodiment;

FIG. 4 is a side view of a dual bore connection tube provided in accordance with an embodiment;

FIG. 5 is a front view of an end of a U-shaped connection line provided in an embodiment;

in each of the above figures, 1, a double-hole connecting pipe; 11. a straight plane; 12. spherical bumps; 13. a groove; 2. a connecting needle; 21. pressing line sheets; 22. inserting a pin; 23. a needle insertion head; 24. an elastic pin gap; 3. a U-shaped connecting line; 31. a first connection portion; 32. a second connecting portion; 33. a third connecting portion; 34. a conductive convex hull; 35. a connector; 36. an elastic connection gap; 4. a cylindrical sleeve.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" used herein refer to the same directions as the drawings, and do not limit the structure.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

In the embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides a connector for a constant flow rainbow tube, which comprises a double-hole connecting tube 1, a connecting pin 2 and a U-shaped connecting wire 3; the bottom surface of the double-hole connecting pipe 1 is a straight plane 11, spherical salient points 12 are arranged on the straight plane 11 and close to the end part of the double-hole connecting pipe, an annular groove 13 is arranged in the middle of the side surface of the double-hole connecting pipe 1, countersunk holes are formed in the two ends of the double-hole connecting pipe 1, and a cylindrical sleeve 4 made of wear-resistant metal is arranged in each countersunk hole; the connecting needle 2 comprises a line pressing sheet 21, the side surface of the line pressing sheet 21 is a step surface, a contact pin 22 is arranged at the front end of the line pressing sheet 21, the front end of the contact pin 22 is a contact pin head 23, and the contact pin head 23 is in a conical shape; u type connecting wire 3 includes integrated into one piece's first connecting portion 31, second connecting portion 32 and third connecting portion 33, and the side of first connecting portion 31 and third connecting portion 33 all is provided with a plurality of electrically conductive convex hulls 34, and electrically conductive convex hull 34 is shell structure, and U type connecting wire 3's both ends are provided with connector 35, and connector 35 is the cone.

In this device, diplopore connecting pipe 1, connecting needle 2 and U type connecting wire 3 can carry out two liang of combinations in actual connection, and the most suitable combination is diplopore connecting pipe 1 and connecting needle 2, diplopore connecting pipe 1 and U type connecting wire 3. Specifically, two ends of the constant current source are welded on the welding disc; the main line and the connecting end of the constant-current rainbow tube are both arranged on the flexible circuit board welded with the lamp beads; the main line between the meter units of the rainbow tube and the return line bonding pad are both provided with double-hole connecting tubes 1. The two ends of the constant current source are inserted into the two double-hole connecting pipes at the head ends of the rainbow tubes through the connecting needles 2, and the tail ends of the two double-hole rainbow tubes 1 are inserted into the double-hole connecting pipes 1 corresponding to the tail ends through the U-shaped connecting lines, so that the main line and the return line bonding pads form a closed loop. Like this, this device adopts the structural design of this kind of assembled to effectively realize the high-speed joint of constant current source with the rainbow pipe, can cut off the mode intercommunication circuit that later can peg graft with quick with the rainbow pipe moreover, reasonable in design, simple structure is favorable to improving work efficiency. In particular, the bottom surface of diplopore connecting pipe 1 adopts the form of straight plane to be convenient for connect it on the pad, and globular bump 12 can make welding gas fully discharge, is favorable to guaranteeing welding quality, and diplopore connecting pipe 1 stability is good just also can guarantee the stability of rainbow lamp work, prolongs the actual life of rainbow lamp. Considering that the rainbow tube needs to be cut according to different situations, so in order to ensure that the cut end face keeps higher original shape degree, the groove 13 structure on the double-hole connecting pipe 1 is specially utilized to ensure that the section round hole of the rainbow tube does not move due to shearing stress after the rainbow tube is sheared, thereby ensuring the quality of the rainbow tube put into operation and used, and having stronger practicability and ingenious design.

Furthermore, the cylindrical sleeve 4 has wear resistance, so that the inserting times of the double-hole connecting pipe 1, the connecting needle 2 and the U-shaped connecting wire 3 can be effectively increased, and the service life of the rainbow tube is prolonged; meanwhile, the device can improve the stability of connection with the cylindrical sleeve by utilizing the conductive convex hull 34 structure on the U-shaped connecting wire 3, and the shell structure of the conductive convex hull 34 enables the conductive convex hull to have certain buffering elasticity, so that the stability of electric connection between the conductive convex hull and the cylindrical sleeve 4 can be fully ensured. The pinhead 23 and the connector 35 are conical and mainly play a role in guiding connection, so that the connection efficiency of the pinhead and the connector with the corresponding double-hole connecting pipe 1 can be improved.

In order to improve the connection efficiency of connecting needle and U type connecting wire and diplopore connecting pipe, the utility model provides an insertion needle head 23 and connector 35 are the collet chuck structure, make the two tip have certain elastic shrinkage ability, can reach the state of joint rapidly after connecting moreover. The side of the needle head 23 is provided with a plurality of radially distributed elastic needle gaps 24, and the side of the connector 35 is provided with a plurality of radially distributed elastic connection gaps 36. The resilient pin gap 24 and the resilient connection gap 36 are then the retracted conditions of the pin head and the connector, respectively.

In order to improve the connection stability of U type connecting wire, the utility model provides a electrically conductive convex closure 34 is according to the direction by connector to second connecting portion and is uprising gradually, can make electrically conductive convex closure 34 not only have the function of chucking like this, still has central positioning function. Meanwhile, the conductive convex hull 34 prevents the end of the U-shaped connecting wire from being deformed due to long-term use or frequent disassembly and assembly to some extent.

In order to improve the structure holding capacity of the double-hole connecting pipe, the utility model provides a section curve of recess 13 is the parabola. Meanwhile, the groove 13 has a symmetrical structure and a simple curved surface, and is manufactured, so that the production cost is reduced.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. A connector for a constant-current rainbow tube is characterized by comprising a double-hole connecting tube, a connecting needle and a U-shaped connecting wire;

2. The connector assembly of claim 1, wherein the plunger head and the connector are of a collet chuck structure, the side of the plunger head is provided with a plurality of radially distributed elastic contact pin gaps, and the side of the connector is provided with a plurality of radially distributed elastic connection gaps.

3. The connector assembly of claim 2, wherein the conductive protrusions are tapered in a direction from the connector to the second connection portion.

4. The connector of claim 3, wherein the groove has a parabolic cross-sectional profile.