CN215579120U

CN215579120U - T-shaped three-way connector

Info

Publication number: CN215579120U
Application number: CN202121790070.3U
Authority: CN
Inventors: 黄永媛; 王汉雄
Original assignee: Guangzhou Rmeeco Waterproof And Appliances Stock Co ltd
Current assignee: Guangzhou Rmeeco Waterproof And Appliances Stock Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-01-18
Anticipated expiration: 2031-08-03

Abstract

The utility model relates to a T-shaped three-way connector and the technical field of line connection, which comprises a cable main line and a cable branch line which are of a T-shaped electric connection structure, wherein the cable main line is connected with each cable core of the cable branch line in a one-to-one correspondence manner, and the T-shaped three-way connector also comprises an isolation line card assembled at the joint of the cable core of the cable main line and the cable branch line, wherein the isolation line card is provided with a plurality of wire grooves with the same number as the cable cores, each wire groove is used for correspondingly clamping and mounting one cable core, and the T-shaped three-way connector also comprises a rubber-coated shell for realizing the sealing protection and the electric insulation of the joint of the cable main line and the cable branch line.

Description

T-shaped three-way connector

Technical Field

The utility model relates to the technical field of line connection, in particular to a T-shaped three-way connector.

Background

The T-shaped three-way cable connector mainly comprises two cable main lines, a cable branch line, a three-way rubber-coated main body and an internal wiring structure. The cable and the rubber-coated main body are the same as each other, but the difference of the internal wiring structure is larger, and the material is also a five-flower eight-door material. At present, there are mainly several wiring methods:

sleeving an insulating heat-shrinkable tube: the thickness of the heat shrink tube is limited, deformation is not controlled after blowing heat, the heat shrink tube is easy to damage and expose, and the insulation effect is obvious and unreliable.

Welding the PCB: the PCB has two conditions, one is used for two core wires which are respectively welded on two sides of the PCB and has better insulation effect, but the defects are that the welding efficiency is slower and the material and processing cost is higher. The other type is a multi-core wire, wires with different polarities are welded on a panel at the same time, on one hand, the creepage distance and the electric clearance are small, the voltage resistance is not high, electric arc drawing or short circuit ignition is easy, on the other hand, because the copper foil on the circuit board is limited in current carrying, the copper foil is not suitable for welding overlarge current, heating and ignition are easy, and potential safety hazards are generated.

Insulating spacer: because the insulating gasket of cable conductor and isolation need put into the injection molding machine and carry out the rubber coating, can produce great impact force in the injection molding process, dash the insulating gasket and run aversion, bad phenomena such as easy short circuit, the product uniformity is poor, and the quality does not guarantee.

In conclusion, the three existing insulation connection modes have the problems of poor product insulation performance, poor product quality consistency, potential quality safety hazards, high material cost, high production difficulty and the like.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model focuses on the design of the cable connection structure, not only can achieve the effects of good insulation performance between circuits with different polarities, but also has simple processing technology, high production efficiency and low cost.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

the utility model provides a T type tee bend connector, is including being T type electric connection structure's cable thread and cable branch line, the cable thread is connected with each cable core one-to-one of cable branch line, still including the assembly the isolation ply-yarn drill of the cable core junction of cable thread and cable branch line, be provided with the wire casing that quantity and cable core quantity equal on the isolation ply-yarn drill, each the wire casing is used for corresponding a cable core of joint installation, still including being used for realizing carrying out the rubber coating shell of sealed protection and electrical insulation to cable thread and cable branch line junction.

Furthermore, each wire casing is provided with a wire clamp for clamping and fixing a cable main wire in the wire casing, and a deformation groove convenient for assembling wires is arranged at the joint of the wire clamp and the isolation wire clamp.

Furthermore, the wire clip is including setting up left line card or right line card on the wire casing, be provided with between two adjacent wire casings on the isolation wire clip and be used for with the division board of cable branch line upper and lower isolation, the division board sets up between left line card and the right line card.

Further, the wire clip is set to be of an omega-shaped structure with a circular inner diameter, and a horn mouth convenient for the wire to be clamped into is arranged at the opening of the wire clip.

Further, the wire casing is of a circular structure.

Further, cable thread, cable branch line all set up to three laminar structures, are cable core, the endotheca of cladding on cable core and the outer quilt sheath of cladding on the endotheca respectively.

Furthermore, the rubber-coated shell is of an integrally formed T-shaped structure formed by injection molding through an injection molding machine.

Furthermore, the cable main line and the cable branch line are welded through a single spot to form circuit conduction.

Further, the number of the wire grooves is not less than two.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model provides a T-shaped three-way connector, which is provided with a cable main line, a cable branch line, an isolation line card, a wire groove, cable cores and a rubber coating shell, wherein the isolation line card is arranged at the joint of the cable main line and the cable branch line, the isolation line card is provided with the wire grooves with the number equal to that of the cable cores, and the wire grooves are used for clamping the cable main line and the cable branch line, the isolation line card has good insulating property, so that each cable is isolated, the creepage distance and the electrical clearance are large, and the T-shaped three-way connector has good electrical property, and simultaneously, the rubber coating shell is arranged, and is integrally formed by an injection molding machine to form a closed entity, has the functions of sealing protection and electrical insulation, and realizes the isolation between the wire cores and the outside, the cost is low.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a cable main line and a cable branch line according to the present invention;

FIG. 2 is a schematic view of a connection structure of a cable main line and a cable branch line according to the present invention;

FIG. 3 is a schematic diagram of the structure of the installation line card of the present invention;

FIG. 4 is a schematic view of the structure of the injection molded elastomer of the present invention;

FIG. 5 is a schematic structural diagram of an isolation line card according to the present invention;

figure 6 is a side view of an isolated line card of the present invention.

In the figure: 1. the cable comprises a cable main line, 11 cable cores, 12 inner skin layers, 13 outer sheaths, 2 cable branches, 3 isolation line cards, 31 wire grooves, 32 line cards, 33 deformation grooves, 34 isolation plates, 35 horn mouths and 4 rubber-coated shells.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-6, a T-shaped three-way connector includes a cable main line 1 and a cable branch line 2 which are in a T-shaped electrical connection structure, the cable main line 1 is connected with each cable core 11 of the cable branch line 2 in a one-to-one correspondence manner, the T-shaped three-way connector further includes an isolation line card 3 assembled at a connection position of the cable main line 1 and the cable core 11 of the cable branch line 2, the isolation line card 3 is provided with line slots 31 having the same number as the cable cores 11, each line slot 31 is used for correspondingly clamping and mounting one cable core 11, and the T-shaped three-way connector further includes a rubber-coated shell 4 for realizing sealing protection and electrical insulation at the connection position of the cable main line 1 and the cable branch line 2.

The utility model provides a T-shaped three-way connector, which is provided with a cable main line 1, a cable branch line 2, an isolation line card 3, wire grooves 31, cable cores 11 and an encapsulated shell 4, wherein the isolation line card 3 is arranged at the joint of the cable main line 1 and the cable branch line 2, the wire grooves 31 with the number equal to that of the cable cores 11 are arranged on the isolation line card 3, the wire grooves 31 are used for clamping the cable main line 1 and the cable branch line 2, the isolation line card 3 has good insulating property, so that each cable is isolated, the creepage distance and the electrical clearance are large, the electrical property is good, meanwhile, the encapsulated shell 4 is arranged, and is integrally formed by an injection molding machine to form a closed entity, the T-shaped three-way connector has the functions of sealing protection and electrical insulation, the isolation between the wire cores and the outside is realized, the T-shaped three-way connector not only can achieve good insulating property between circuits with different polarities, and the processing technology is simple, the production efficiency is high, and the cost is low.

Specifically, as shown in the figure, each trunking 31 is provided with a line card 32 for fixing the cable main line 1 in the trunking 31 in a clamping manner, and a deformation groove 33 for facilitating wire assembly is provided at a connection position of the line card 32 and the isolation line card 3. The line card 32 is including setting up left line card or right line card on the wire casing 31, be provided with between two adjacent wire casings 31 on the isolation line card 3 and be used for with the division board 34 that cable branch line 2 kept apart from top to bottom, division board 34 sets up between left line card and the right line card. Through the assembly on the cable number core, every different sinle silk buckle is on corresponding ply-yarn drill, and spacing structure about having between the line of ply-yarn drill and cable realizes keeping apart relatively fixed between ply-yarn drill and the cable. An isolation plate is designed between every two line cards, so that isolation is realized between different wire cores, and larger creepage distance and electric clearance are realized.

Specifically, as shown in the figure, the line card 32 is configured to have an "Ω" structure with a circular inner diameter, and a bell-mouth 35 for facilitating the wire to be clamped into is disposed at an opening of the line card 32. The line card structure is omega shape, and the internal diameter is circular, and the opening part small-size horn mouth has glossy leading-in structure, can compromise multiple line footpath.

Specifically, as shown in the figure, the wire slot 31 has a circular structure.

Specifically, as shown in the figure, the cable main line 1 and the cable branch line 2 are both set to be three-layer structures, which are respectively a cable core 11, an inner skin layer 12 coated on the cable core 11, and an outer sheath 13 coated on the inner skin layer 12. And the cable main line 1 and the cable branch line 2 are connected through single-point welding to form circuit conduction. The cable is divided into a cable main line and a cable branch line, the cable core is 2 cores or more than 2 cores, the cable main line is not cut, only the sheath and the inner skin layer are peeled off, and the cable main line and the branch line are welded through a welding spot to realize circuit conduction, so that the production efficiency is obviously improved, the conduction impedance of the cable is lower, the voltage drop of the wire is less, and the like, and the excellent electrical performance is realized.

Specifically, as shown in the figure, the number of the wire grooves 31 is not less than two.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a T type tee bend connector, its characterized in that, is including cable thread (1) and cable branch line (2) that are T type electrical connection structure, cable thread (1) is connected with each cable core (11) one-to-one of cable branch line (2), still including the assembly is in keep apart ply-yarn drill (3) of cable thread (1) and cable core (11) junction of cable branch line (2), keep apart and be provided with wire casing (31) that quantity and cable core (11) quantity equal on ply-yarn drill (3), each wire casing (31) are used for corresponding a joint installation cable core (11), still including being used for realizing carrying out sealed protection and electrical insulation's rubber coating shell (4) to cable thread (1) and cable branch line (2) junction.

2. The T-shaped three-way connector according to claim 1, wherein each trunking (31) is provided with a line card (32) for clamping and fixing the cable main line (1) in the trunking (31), and a deformation groove (33) for facilitating the assembly of wires is arranged at the joint of the line card (32) and the isolation line card (3).

3. The T-shaped three-way connector according to claim 2, characterized in that the line card (32) comprises a left line card or a right line card arranged on the trunking (31), an isolation plate (34) for isolating the cable branch (2) up and down is arranged between two adjacent trunking (31) on the isolation line card (3), and the isolation plate (34) is arranged between the left line card and the right line card.

4. A T-shaped three-way connector according to claim 3, characterized in that the line card (32) is provided with an "Ω" structure with a circular inner diameter, and a bell mouth (35) for facilitating the wire to be clamped is provided at the opening of the line card (32).

5. A T-shaped three-way connector according to claim 4, characterized in that the wire groove (31) is of circular configuration.

6. The T-shaped three-way connector according to claim 1, wherein the cable main line (1) and the cable branch line (2) are arranged in a three-layer structure, namely a cable core (11), an inner sheath layer (12) coated on the cable core (11) and an outer sheath layer (13) coated on the inner sheath layer (12).

7. A T-tee connector according to claim 1, characterized in that said encapsulated shell (4) is injection molded by an injection molding machine as an integral T-shaped structure.

8. A T-shaped three-way connector according to claim 1, wherein the cable main line (1) and the cable branch line (2) are electrically connected by single-point welding.

9. A T-tee connector according to claim 1, characterized in that the number of said wire slots (31) is not less than two.