CN217306911U

CN217306911U - Single-end three-core terminal wire

Info

Publication number: CN217306911U
Application number: CN202220683539.1U
Authority: CN
Inventors: 邓博
Original assignee: Guangzhou Gaoju Electronic Technology Co ltd
Current assignee: Guangzhou Gaoju Electronic Technology Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-08-26
Anticipated expiration: 2032-03-25

Abstract

The utility model relates to a terminal line technical field, in particular to three core terminal lines of single-end, which comprises a joint, the connecting hole has been seted up to the inside of joint, two sets of gib blocks of one end fixedly connected with that connects, the other end fixedly connected with fixed strip that connects, the inside metallic interconnect that is provided with of upside that connects, the rear side position that connects is provided with the protective layer, the inside of protective layer is provided with the center post, the outside of center post is provided with three group heart yearns, three groups the outside of heart yearn is provided with the insulating layer respectively. A single-end three-core terminal line, the protective layer through the outside setting is difficult to be corroded by acid, alkali, possess better heat-resisting effect, strengthens the protection to three group's heart yearns, and the inside center post separates three group's heart yearns each other, avoids the during operation, the heat that produces influences each other, the use of cooperation asbestos insulating layer has better high temperature resistant effect, is difficult for the overheat damage.

Description

Single-end three-core terminal wire

Technical Field

The utility model relates to a terminal line technical field, in particular to single-end three-core terminal line.

Background

The terminal wire can select the number and the interval of the conducting wires at will, so that the connection is more convenient, the volume of an electronic product is greatly reduced, the production cost is reduced, the production efficiency is improved, and the terminal wire is most suitable for being used as a data transmission cable between a mobile part and a main board, between a PCB and in miniaturized electrical equipment. The connecting structure is widely applied to the connection between the printing head and the main board of various printers, and the signal transmission and board connection of products such as plotters, scanners, copiers, audios, liquid crystal electrical appliances, fax machines, various video disc players and the like. In modern electrical equipment, it is almost ubiquitous; most of the existing three-core terminal wires are wrapped by a simple insulating layer, the heat resistance is poor, and when the insulating layer on the outer side is used for a long time, the situation of tearing and abrasion can occur, so that the insulating layer is damaged, and the connection between the devices fails.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a single-end three-core terminal wire, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a single-end three-core terminal line, includes the joint, the connecting hole has been seted up to the inside that connects, the two sets of gib block of one end fixedly connected with that connects, the other end fixedly connected with fixed strip that connects, the inside metal connecting piece that is provided with of upside that connects, the rear side position that connects is provided with the protective layer, the inside of protective layer is provided with the center post, the outside of center post is provided with three group heart yearns, three groups the outside of heart yearn is provided with the insulating layer respectively, three groups be provided with the filling block between the insulating layer respectively, the outside of filling block is provided with the enhancement layer, the inside of enhancement layer is provided with the strengthening rib.

Preferably, the quantity of connecting hole is three groups, three groups the connecting hole align to grid, and is two sets of be provided with the guide way between the gib block, the fixed strip is located the intermediate position that connects one end.

Preferably, the number of the metal connecting pieces is three, the metal connecting pieces correspond to the three groups of connecting holes, and the lower side positions of the metal connecting pieces are located inside the connecting holes.

Preferably, the protective layer is made of polyvinyl chloride, three groups of core wires surround the center post respectively, the front sides of the core wires and the insulating layer are located in the joint, the three groups of core wires correspond to the three groups of metal connecting pieces respectively in position, and the three groups of core wires are welded with the three groups of metal connecting pieces respectively.

Preferably, the insulating layer is made of asbestos, the number of the filling blocks is three, and the number of the reinforcing ribs is several.

Preferably, the reinforcing layers are wrapped at the outer sides of the three groups of filling blocks, the reinforcing ribs are annularly arranged inside the reinforcing layers, and the reinforcing ribs are made of steel-reinforced aluminum stranded wires.

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

the joint is inserted into a connecting port of equipment, the device can be prevented from being damaged by a reverse plug connector when a user is connected through the foolproof design of the guide strip and the fixing strip which are fixedly connected at two ends, the device can be effectively protected, the protective layer arranged at the outermost side of the three groups of core wires is made of polyvinyl chloride materials which are stable and are not easily corroded by acid and alkali, the polyvinyl chloride has better heat-resistant effect, the protective effect on the three groups of core wires is enhanced, the reinforcing layer is matched with the steel-cored aluminum stranded wire materials, so that the integral tensile resistance is effectively improved, the three groups of filling blocks are used, larger gaps are prevented from being left inside, in order to ensure that the outer diameter is relatively round and smooth, the three groups of insulating layers wrapped outside the three groups of core wires are made of asbestos materials, the asbestos has better high-temperature-resistant effect, the central post is not easily damaged by overheating during work, and the three groups of core wires are mutually separated by the central post inside finally, the mutual influence of heat generated by mutual contact during working is avoided, the aging speed of the insulating layer is shortened, and the service life is prolonged.

Drawings

Fig. 1 is a schematic view of an overall structure of a single-end three-core terminal wire according to the present invention;

fig. 2 is a schematic overall side view of a single-end three-core terminal wire according to the present invention;

fig. 3 is a schematic view of a partially cut structure of a single-end three-core terminal wire of the present invention;

fig. 4 is an enlarged schematic view of a portion a of a single-end three-core terminal wire according to the present invention.

In the figure: 1. a joint; 2. connecting holes; 3. a guide strip; 4. a fixing strip; 5. a metal connecting member; 6. a protective layer; 7. a central column; 8. a core wire; 9. an insulating layer; 10. filling blocks; 11. a reinforcing layer; 12. and (7) reinforcing ribs.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

As shown in fig. 1-4, a single-end three-core terminal wire, including connecting 1, connecting hole 2 has been seted up to the inside of connecting 1, the one end fixedly connected with two sets of gib block 3 of connecting 1, the other end fixedly connected with fixed strip 4 of connecting 1, the inside metal connecting piece 5 that is provided with of upside of connecting 1, the rear side position of connecting 1 is provided with protective layer 6, the inside of protective layer 6 is provided with center post 7, the outside of center post 7 is provided with three group heart yearns 8, the outside of three group heart yearns 8 is provided with insulating layer 9 respectively, be provided with filling block 10 between three group insulating layer 9 respectively, the outside of filling block 10 is provided with enhancement layer 11, the inside of enhancement layer 11 is provided with strengthening rib 12.

In this embodiment, the number of the connecting holes 2 is three, three groups of the connecting holes 2 are uniformly arranged, a guide groove is arranged between two groups of the guide strips 3, the fixing strip 4 is located at the middle position of one end of the joint 1, the number of the metal connecting pieces 5 is three, three groups of the metal connecting pieces 5 correspond to the positions of the three groups of the connecting holes 2, the lower side positions of the three groups of the metal connecting pieces 5 are located inside the connecting holes 2, the material of the protective layer 6 is polyvinyl chloride, three groups of the core wires 8 surround the center post 7 respectively, the front sides of the core wires 8 and the insulating layer 9 are located inside the joint 1, the three groups of the core wires 8 correspond to the three groups of the metal connecting pieces 5 respectively, the three groups of the core wires 8 are welded with the three groups of the metal connecting pieces 5 respectively, the material of the insulating layer 9 is asbestos, the number of the filling blocks 10 is three groups, the number of the reinforcing ribs 12 is several groups, the reinforcing layer 11 is wrapped at the outer side positions of the three groups of the filling blocks 10, the reinforcing ribs 12 are annularly arranged inside the reinforcing layer 11, and the reinforcing ribs 12 are made of steel-reinforced aluminum stranded wires.

Specifically, the connector 1 is inserted into a connecting port of equipment, through the foolproof design of the guide strip 3 and the fixing strip 4 which are fixedly connected at two ends, the damage of the device caused by the reverse plug connector 1 can be avoided when a user is connected, the protection effect is effectively played, the protective layer 6 arranged at the outermost side of the three groups of core wires 8 is made of polyvinyl chloride material, the polyvinyl chloride is stable and is not easily corroded by acid and alkali, the polyvinyl chloride has a better heat-resistant effect, the protection effect on the three groups of core wires 8 is enhanced, the reinforcing layer 11 is matched with the use of the steel-cored aluminum stranded wire material 23, the integral tensile resistance is effectively improved, the three groups of filling blocks 10 are used, a larger gap is avoided, in order to ensure that the outer diameter is relatively round and is beneficial to wrapping, the three groups of insulating layers 9 wrapped at the outer sides of the three groups of core wires 8 are made of asbestos material, the asbestos has a better high-temperature-resistant effect, and is not easily damaged by overheating during work, and finally, the three groups of core wires 8 are mutually separated by the inner central column 7, so that mutual influence of heat generated by mutual contact during working is avoided, the aging speed of the insulating layer 9 is shortened, and the service life is prolonged.

The working principle is as follows:

when in use, firstly, the connector 1 is inserted into a connecting port of equipment, the device damage caused by the reverse plug connector 1 can be avoided when a user is connected through the foolproof design of the guide strip 3 and the fixing strip 4 which are fixedly connected at two ends, the protection effect is effectively played, the protection layer 6 arranged at the outermost side of the three groups of core wires 8 is made of polyvinyl chloride material, the polyvinyl chloride is stable and is not easy to be corroded by acid and alkali, the polyvinyl chloride has better heat-resistant effect, the protection effect on the three groups of core wires 8 is enhanced, the reinforcing layer 11 is matched with the use of the steel core aluminum stranded wire material 23, the integral tensile resistance is effectively improved, the three groups of filling blocks 10 are used, the larger gap is avoided, in order to ensure that the outer diameter is relatively round and is beneficial to package, the three groups of insulating layers 9 wrapped at the outer sides of the three groups of core wires 8 are made of asbestos material, the asbestos has better high-temperature-resistant effect, and is not easy to be damaged by overheating during work, and finally, the three groups of core wires 8 are mutually separated by the inner central column 7, so that mutual influence of heat generated by mutual contact during working is avoided, the aging speed of the insulating layer 9 is shortened, and the service life is prolonged.

The above examples are merely illustrative of one or more embodiments of the present invention, and the description thereof is more specific and detailed, but not intended to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a single-end three-core terminal line, includes joint (1), its characterized in that: connecting hole (2) have been seted up to the inside that connects (1), connect two sets of guide strip (3) of one end fixedly connected with of (1), the other end fixedly connected with fixed strip (4) that connect (1), the upside inside of connecting (1) is provided with metal connecting piece (5), the rear side position that connects (1) is provided with protective layer (6), the inside of protective layer (6) is provided with center post (7), the outside of center post (7) is provided with three group heart yearn (8), three group the outside of heart yearn (8) is provided with insulating layer (9) respectively, three group be provided with between insulating layer (9) filling block (10) respectively, the outside of filling block (10) is provided with enhancement layer (11), the inside of enhancement layer (11) is provided with strengthening rib (12).

2. The single-ended three-core terminal wire of claim 1, wherein: the quantity of connecting hole (2) is three groups, three groups connecting hole (2) align to grid, and is two sets of be provided with the guide way between gib block (3), fixed strip (4) are located the intermediate position that connects (1) one end.

3. The single-ended three-core terminal wire of claim 1, wherein: the quantity of metal connecting piece (5) is three groups, three groups metal connecting piece (5) are corresponding with the position of three group connecting hole (2), three groups the downside position of metal connecting piece (5) is located the inside of connecting hole (2).

4. The single-ended three-core terminal wire of claim 1, wherein: the material of protective layer (6) is polyvinyl chloride, and three groups heart yearn (8) are respectively around center post (7), the front side of heart yearn (8) and insulating layer (9) is located the inside of joint (1), and three groups heart yearn (8) are corresponding with three groups of metal connecting piece (5) positions respectively, and three groups heart yearn (8) are the welding relation with three groups of metal connecting piece (5) respectively.

5. The single-ended three-core terminal wire of claim 1, wherein: the insulating layer (9) is made of asbestos, the number of the filling blocks (10) is three, and the number of the reinforcing ribs (12) is several.

6. The single-ended three-core terminal wire of claim 1, wherein: the reinforcing layer (11) is wrapped at the outer side positions of the three groups of filling blocks (10), the reinforcing ribs (12) are annularly arranged inside the reinforcing layer (11), and the reinforcing ribs (12) are made of steel-reinforced aluminum stranded wires.