CN214745497U

CN214745497U - Process structure for solving air tightness of electric wire for automobile lamp

Info

Publication number: CN214745497U
Application number: CN202120931956.9U
Authority: CN
Inventors: 林锡柱; 郭志华; 易婷
Original assignee: Zhuzhou Zhiheng Industries Ltd
Current assignee: Zhuzhou Zhiheng Industries Ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-11-16
Anticipated expiration: 2031-04-30

Abstract

The utility model discloses a solve technology structure of electric wire gas tightness for car lamps and lanterns belongs to the car lamps and lanterns field, and it is not good to have solved electric wire gas tightness for car light, the serious technical problem of car light fogging phenomenon, including the lamp line main part, its characterized in that, the lamp line main part includes insulating protective layer, the inside packing of insulating protective layer has the tin layer, the inside parcel of tin layer has a plurality of copper wires, insulating protective layer end surface has cup jointed and has contained gluey pyrocondensation pipe, contain and form seal chamber between gluey pyrocondensation pipe and insulating protective layer, the tin layer. The utility model discloses a set up in wire-terminal department and contain gluey pyrocondensation pipe, contain gluey pyrocondensation pipe simultaneously and comprise outer polyolefin alloy-layer and inlayer hot melt adhesive layer, outer polyolefin alloy-layer can effectively strengthen anticorrosive, the wear resistance of electric wire, and inlayer hot melt adhesive layer can effectively strengthen electric wire waterproof sealing, mechanical strain buffer performance.

Description

Process structure for solving air tightness of electric wire for automobile lamp

Technical Field

The utility model belongs to car lamps and lanterns field relates to electric wire gas tightness technique, specifically is a solve the technology structure of electric wire gas tightness for car lamps and lanterns.

Background

The automobile lamp is one traffic lamp installed in automobile to ensure safe running. The lamp is divided into two types, namely a lighting lamp and a signal lamp. In 1905-1912, in order to solve the problem of front road illumination, a spotlight type acetylene headlamp was installed, and 1 kerosene lamp was provided as a rear license plate lamp. In 1945-1947, various exterior lamps which must be equipped at the minimum degree are finally shaped. A qualified automotive lamp should meet the corresponding photometric, colorimetric and basic environmental test specifications.

In the current market environment, the automobile lamp fog phenomenon is a problem which often appears in the after-sale market. The car light is hazy, not only can influence the whole pleasing to the eye of car, still can lead to light dim, influences lighting quality, the safety of going and the annual audit of vehicle. In addition, the fog of the car lamp can shorten the service life of the car lamp, and cause a plurality of problems of corrosion of a bulb plug-in connector, electric leakage and the like. The air tightness problem of the wire for the automobile lamp is also one of the reasons for fog generation of the automobile lamp, because the inside of the automobile lamp is a cavity which is filled with heat source and air and can rise in temperature, when the wire harness connector of the automobile lamp and the whole automobile is in trouble, the wire for the automobile lamp becomes a channel of siphon phenomenon. Therefore, solving the air tightness problem of the electric wire becomes one of the problems to be considered for the automobile lamp. Therefore, a process structure for solving the problem of air tightness of the electric wire for the automobile lamp is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the problems of gaps between an outer insulating sheath of an electric wire and a copper core, gaps between stranded copper wires of the copper core, gaps between connectors and terminals of the connector and the like are solved, the fogging phenomenon of the automobile lamp is solved, and the durable and high-quality automobile lamp is provided.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a solve technology structure of wire gas tightness for car lamps and lanterns, includes the lamp line main part, its characterized in that, the lamp line main part includes insulating protective layer, insulating protective layer is inside to be filled has the tin layer, the inside parcel of tin layer has a plurality of copper wires, insulating protective layer end surface has cup jointed and has glued the pyrocondensation pipe, it forms sealed cavity to glue between pyrocondensation pipe and insulating protective layer, the tin layer.

As a further aspect of the present invention: the lamp line main part both ends are connected with the car light assembly respectively and insert the connector terminal, the one end that the lamp line main part is connected with the car light assembly has cup jointed first sealing member, first sealing member and car light assembly lateral wall contact, the lamp line main part has cup jointed the second sealing member with the one end of inserting the connector terminal and being connected, the second sealing member with insert the connector terminal lateral wall contact.

As a further aspect of the present invention: the lengths of the copper wire and the tin layer are larger than those of the insulating protective layer.

As a further aspect of the present invention: and two ends of the glue-containing heat-shrinkable tube are respectively and tightly attached to the outer wall surfaces of the insulating protective layer and the tin layer.

As a further aspect of the present invention: the glue-containing heat shrinkable tube is composed of a polyolefin alloy layer and a hot melt glue layer, wherein the polyolefin alloy layer is coated on the outer layer of the hot melt glue layer.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the tin layer wraps the copper wires and fills the cavity in the insulating protective layer, so that a compact whole is formed, internal air circulation is isolated, and internal air tightness of the electric wire is enhanced;

2. the glue-containing heat-shrinkable tube is arranged at the wire joint and consists of an outer polyolefin alloy layer and an inner hot melt adhesive layer, the outer polyolefin alloy layer can effectively enhance the corrosion resistance and the wear resistance of the wire, and the inner hot melt adhesive layer can effectively enhance the waterproof sealing performance and the mechanical strain buffering performance of the wire;

3. the electric wire two-end connector is sleeved with the first sealing element and the second sealing element, the sealing performance of the car lamp shell is enhanced, the overall air tightness is enhanced again, and the car lamp fog problem is solved.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall connection of a process structure for solving the problem of air tightness of an electric wire for an automobile lamp;

FIG. 2 is a cross-sectional view of a lamp wire body of a process structure for solving the problem of air tightness of an electric wire for an automobile lamp;

fig. 3 is a cross-sectional view taken along line a-a of fig. 2.

In the figure: 1. a light wire main body; 11. a glue-containing heat shrink tube; 111. a polyolefin alloy layer; 112. a hot melt adhesive layer; 12. a copper wire; 13. an insulating protective layer; 14. sealing the cavity; 15. a tin layer; 16. a first seal member; 17. a second seal member; 2. a vehicle lamp assembly; 3. connector terminals.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, a process structure for solving the problem of air tightness of an electric wire for an automobile lamp comprises a lamp wire main body 1, a lamp assembly 2 and a connector terminal 3, wherein two ends of the lamp wire main body 1 are respectively connected with the lamp assembly 2 and the connector terminal 3, a first sealing element 16 is arranged at the connecting end of the lamp wire main body 1 and the lamp assembly 2, a second sealing element 17 is arranged at the connecting end of the opposite lamp wire main body 1 and the connector terminal 3, so that the connection air tightness of the lamp is enhanced, and the second sealing element 17 can be adjusted according to actual conditions to determine whether the second sealing element needs to be arranged.

Referring to fig. 2 and 3, a process structure for solving the problem of air tightness of an electric wire for an automobile lamp, a lamp wire main body 1 comprises a glue-containing heat-shrinkable tube 11, a copper wire 12, an insulating protective layer 13, a tin layer 15, a plurality of copper wires 12 wrapped inside the tin layer 15, and an inner cavity of the insulating protective layer 13 is filled integrally with the copper wires 12, so as to form a compact structure, the air tightness of the lamp wire main body 1 is enhanced, air circulation is avoided, the tin layer 15 and the main body formed by the copper wires 12 extend out of the cavity of the insulating protective layer 13, the glue-containing heat-shrinkable tube 11 is sleeved outside the insulating protective layer 13, two ends of the glue-containing heat-shrinkable tube 11 wrap the outer walls of the insulating protective layer 13 and the tin layer 15 respectively, the tin layer 15 extends out of the port of the glue-containing heat-shrinkable tube 11, a sealing cavity 14 is formed between the inner wall of the glue-containing heat-shrinkable tube 11 and the insulating protective layer 13, and the tin layer 15, and a shrinkage space of the glue-containing heat-shrinkable tube 11 is provided.

Referring to fig. 3, the glue-containing heat shrinkable tube 11 is composed of an outer polyolefin alloy layer 111 and an inner hot melt adhesive layer 112, and copper wires 12 are uniformly arranged inside a tin layer 15, wherein the polyolefin alloy layer 111 has the advantages of softness, low-temperature shrinkage, insulation, corrosion resistance, wear resistance and the like, the hot melt adhesive layer 112 has a low melting point, good adhesion, waterproof sealing, mechanical strain buffering performance and the like, and when in use, the glue-containing heat shrinkable tube 11 is automatically shrunk through external heating, so that the wire connection part is effectively sealed, and the glue-containing heat shrinkable tube has the effects of water resistance, air leakage prevention and the like, and the overall air tightness is improved.

The utility model discloses a theory of operation is:

stretch out the end with copper wire 12 and be connected with car light assembly 2, the pyrocondensation pipe 11 that contains of heating junction, make this department contain the pyrocondensation pipe 11 that glues and be heated the shrink, sealed wire-terminal department, the electric wire other end is drawn forth the back from car light casing hole, cup joint first sealing member 16, go out first sealing member 16 setting at car light casing hole, the inside cavity of sealed car light, the one end copper wire 12 that the car light was kept away from to the electric wire is connected with connecing connector terminal 3, heating junction contains the sealed joint of pyrocondensation pipe 11, cup joint second sealing member 17 at the kneck simultaneously, strengthen whole gas tightness.

The invention is limited only by the claims and the full scope and equivalents thereof, and further, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. The utility model provides a solve technology structure of wire gas tightness for car lamps and lanterns, includes lamp line main part (1), its characterized in that, lamp line main part (1) is including insulating protective layer (13), insulating protective layer (13) inside packing has tin layer (15), the inside parcel of tin layer (15) has a plurality of copper wires (12), insulating protective layer (13) end surface has cup jointed and has contained glue pyrocondensation pipe (11), it forms sealed cavity (14) to contain between pyrocondensation pipe (11) and insulating protective layer (13), tin layer (15).

2. The process structure for solving the problem of air tightness of the wire for the automobile lamp according to claim 1, wherein two ends of the lamp wire body (1) are respectively connected with the lamp assembly (2) and the connector terminal (3), one end of the lamp wire body (1) connected with the lamp assembly (2) is sleeved with a first sealing element (16), the first sealing element (16) is in contact with the outer side wall of the lamp assembly (2), one end of the lamp wire body (1) connected with the connector terminal (3) is sleeved with a second sealing element (17), and the second sealing element (17) is in contact with the outer side wall of the connector terminal (3).

3. The process structure for solving the air tightness of the electric wire for the automobile lamp as claimed in claim 1, wherein the lengths of the copper wire (12) and the tin layer (15) are greater than that of the insulating protective layer (13).

4. The process structure for solving the problem of air tightness of the electric wire for the automobile lamp as recited in claim 1, wherein two ends of the glue-containing heat shrink tube (11) are respectively and tightly attached to the outer wall surfaces of the insulation protective layer (13) and the tin layer (15).

5. The process structure for solving the problem of air tightness of the wire for the automobile lamp according to claim 1, wherein the glue-containing heat shrinkable tube (11) is composed of a polyolefin alloy layer (111) and a hot melt glue layer (112), and the polyolefin alloy layer (111) is coated on the outer layer of the hot melt glue layer (112).