CN211377036U

CN211377036U - Waterproof wire harness for automobile

Info

Publication number: CN211377036U
Application number: CN201921609365.9U
Authority: CN
Inventors: 陈松
Original assignee: Suzhou Kaiyueshuo Technology Co ltd
Current assignee: Suzhou Kaiyueshuo Technology Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-08-28
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a waterproof pencil for car, including a plurality of cables, cable one end is connected with conductive terminal, and conductive terminal surrounds outward and has waterproof gluey stifled, and the cable overcoat has met waterproof bolt, and waterproof bolt sets up the through-hole department at the automobile partition board. The waterproof bolt comprises a waterproof bolt body, the waterproof bolt body is of a cylindrical structure, a plurality of sealing rings are circumferentially arranged on the waterproof bolt body, a sealing groove is formed between every two adjacent sealing rings, the outer wall of each through hole is connected in the sealing groove in a clamped mode, a sealing hole corresponding to a cable is formed in the middle of the waterproof bolt body, the sealing hole is in interference fit with the cable, the axis of each sealing hole is parallel to the axis of the waterproof bolt body, a plurality of annular protrusions are arranged on the side wall of each sealing hole, and the annular protrusions are arranged at. The outer peripheral surface of the cable is provided with limiting bulges for limiting the sliding of the waterproof bolt, and the limiting bulges are respectively arranged on two sides of the waterproof bolt. The wire harness has good waterproof effect and can protect the cable.

Description

Waterproof wire harness for automobile

Technical Field

The utility model relates to a pencil car pencil field, in particular to waterproof pencil for car.

Background

The wire harness or the cable is mainly used for controlling installation, connecting equipment, transmitting electric power and signals and the like, has multiple functions, and is a common and indispensable object in daily life. The wire harness or the cable mainly comprises a wire core arranged from inside to outside, a metal shielding layer surrounding the wire core and an insulating outer layer surrounding the metal shielding layer, wherein the wire core is used for transmitting electric power or transmitting signals, the metal shielding layer is mainly used for preventing electromagnetic fields generated by current transmitted by the wire core from interfering with other elements in a circuit or shielding the influence of the electromagnetic fields generated by other elements outside on the current transmitted by the wire core, and the insulating outer layer is mainly used for insulating the electrified part of the wire harness or the cable from outside and protecting the wire harness or the cable from being damaged by the outside.

The electric automobile is completely driven by electric power due to the particularity of the electric automobile, the span of electronic equipment and elements of the electric automobile is very large, and a wire harness usually needs to cross a partition board in the automobile. When an existing wire harness penetrates through the partition plate, the fixing piece is lacked, water easily enters the partition plate to enter dust, circuit safety is affected, and the cable is easily damaged due to friction at the through hole of the partition plate.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide a waterproof wire harness for automobiles.

In order to achieve the above purpose, the utility model discloses a technical scheme is: waterproof pencil for car, its characterized in that: comprises a plurality of cables, one end of each cable is connected with a conductive terminal, a waterproof glue plug is surrounded outside the conductive terminal, the cable is sleeved with a waterproof bolt, the waterproof bolt is arranged at a through hole of the automobile partition plate and comprises a waterproof bolt body, the waterproof plug body is of a cylindrical structure, a plurality of sealing rings are arranged on the periphery of the waterproof plug body, a sealing groove is formed between every two adjacent sealing rings, the outer wall of the through hole is clamped in the sealing groove, a sealing hole corresponding to the cable is arranged in the middle of the waterproof bolt body, the sealing hole is in interference fit with the cable, the axis of the sealing hole is parallel to the axis of the waterproof bolt body, be provided with a plurality of annular archs on the lateral wall in sealed hole, the protruding equidistance of annular sets up, be provided with the gliding spacing arch of restriction waterproof plug on the outer peripheral face of cable, spacing arch sets up respectively in waterproof plug both sides.

The beneficial effects of the utility model are that, waterproof pencil is provided with waterproof bolt in through-hole department with the car baffle, and waterproof bolt plays dustproof and waterproof effect in through-hole department, and the cable passes waterproof bolt's sealed hole, and sealed downthehole wall is provided with the annular arch, increases the friction to the cable, reduces the cable and removes, and the nature that spacing arch reduced waterproof bolt and cable can effectively protect waterproof cable to the motion.

Preferably, the sealing holes are not communicated with each other and are arranged in a central symmetry mode relative to the axis of the waterproof bolt body. Each cable can be effectively protected.

Preferably, the limiting protrusion is a rubber part and is adhered to the outer surface of the cable through strong glue.

Preferably, the limiting protrusion is an annular shape sleeved outside the cable or a plurality of limiting blocks arranged along the axis of the cable.

Preferably, the cross section of the sealing ring is of a semicircular rectangular structure or a semicircular trapezoidal structure, so that the sealing effect is good.

Preferably, the cable comprises a conducting wire and an outer cladding layer arranged outside the conducting wire, wherein the outer cladding layer comprises an insulating layer, an elastic buffer layer wrapped outside the insulating layer and an anti-abrasion layer wrapped on the elastic buffer layer.

Preferably, the insulating layer is made of polyvinyl chloride plastics, the elastic buffer layer is made of glass wool, and the anti-abrasion layer is made of neoprene.

Preferably, in order to facilitate wire welding, one end of the wire penetrates through the outer cladding layer, and the wire penetrating through the outer cladding layer is enameled with a layer of metal tin.

Preferably, the waterproof plug is a single piece and is made of silicon rubber.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a side view of the present embodiment;

FIG. 3 is a schematic structural view of the waterproof plug of the present embodiment;

FIG. 4 is a sectional view of the waterproof plug according to the present embodiment;

FIG. 5 is a sectional view taken along line A-A of FIG. 1;

fig. 6 is a sectional view taken along line B-B of fig. 1 according to the present embodiment.

In the figure:

the cable comprises a cable 1, a wire 11, a lead 12, an outer cladding layer 121, an insulating layer 122, an elastic buffer layer 123, an anti-abrasion layer 2, a conductive terminal 3, a waterproof glue plug 4, a waterproof plug 41, a waterproof plug body 42, a sealing ring 43, a sealing groove 44, a sealing hole 45, an annular bulge 5, an automobile partition plate and a limiting bulge 6.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to the attached drawings 1-2, the automobile waterproof wiring harness needs to penetrate through an automobile partition plate 5 in the actual installation process, so that circuits at two ends of the automobile partition plate 5 are protected, and the safety of the waterproof wiring harness is protected.

Detailed description of the preferred embodiment 1

Referring to fig. 1-5, a waterproof plug 4 is sleeved outside the cable 1, the waterproof plug 4 is arranged at a through hole of an automobile partition 5, the waterproof plug 4 comprises a waterproof plug body 41, a sealing ring 42 and an annular bulge 45, and the waterproof plug body 41 is of a cylindrical structure. The waterproof bolt body 41 is circumferentially provided with a plurality of sealing rings 42, and the cross section of each sealing ring 42 is of a semicircular rectangular structure or a semicircular trapezoidal structure, so that the sealing effect is good. A sealing groove 43 is formed between two adjacent sealing rings 42, and the automobile partition plate 5 is clamped in the sealing groove 43. The middle of the waterproof plug body 41 is provided with two sealing holes 44 corresponding to the cables 1, in this embodiment, the number of the cables 1 is two, and the number of the corresponding sealing holes 44 is two. The sealing hole 44 is in interference fit with the cable 1, the axis of the sealing hole 44 is parallel to the axis of the waterproof bolt 4 body 41, the sealing hole 44 is not communicated with each other, and the axis of the waterproof bolt 4 body 41 is arranged in a central symmetry manner, so that each cable 1 can be effectively protected. Be provided with a plurality of annular arch 45 on the lateral wall of sealed hole 44, annular arch 45 equidistance sets up, and annular arch 45 supports and leans on 1 surperficial at the cable, and frictional force is little, and is fixed effectual. The waterproof plug 4 is an integrated piece and is made of silicon rubber.

The outer peripheral surface of the cable 1 is provided with limiting bulges 6 for limiting the sliding of the waterproof bolt 4, and the limiting bulges 6 are respectively arranged on two sides of the waterproof bolt 4. The limiting bulge 6 is a rubber part and is adhered to the outer surface of the cable 1 through strong glue, and the limiting bulge 6 is an annular rubber part sleeved outside the cable 1.

Referring to fig. 1 and 6, the cable 1 includes a conductive wire 11 and an outer covering 12 disposed outside the conductive wire 11, wherein the outer covering 12 includes an insulating layer 121, an elastic buffer layer 122 and an anti-abrasion layer 123. The insulating layer 121 is wrapped outside the lead 11 and made of polyvinyl chloride plastic; the elastic buffer layer 122 is wrapped outside the insulating layer 121, and the elastic buffer layer 122 is made of glass wool; the wear-resistant layer 123 is wrapped outside the elastic buffer layer 122 and is an outermost layer and is made of neoprene. In order to facilitate the welding of the lead 11, one end of the lead 11 passes through the outer cladding 12, and the lead 11 passing through the outer cladding 12 is enameled with a layer of metallic tin. The limiting protrusions 6 are bonded on the wear-resistant layer 123.

Specific example 2

The limiting bulges 6 are a plurality of limiting blocks arranged along the axis of the cable 1, and the limiting blocks are centrosymmetric along the axis of the cable 1.

After the cable 1 passes through the sealing hole 44, the limiting protrusion 6 is fixed on the cable 1, and the waterproof bolt 4 is fixed at the opening of the automobile partition 5.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. Waterproof pencil for car, its characterized in that: the waterproof plug comprises a plurality of cables (1), one end of each cable (1) is connected with a conductive terminal (2), a waterproof rubber plug (3) is surrounded outside the conductive terminal (2), a waterproof plug (4) is sleeved outside each cable (1), the waterproof plug (4) is arranged at a through hole of an automobile partition plate (5), the waterproof plug (4) comprises a waterproof plug body (41), the waterproof plug body (41) is of a cylindrical structure, a plurality of sealing rings (42) are circumferentially arranged on the waterproof plug body (41), a sealing groove (43) is formed between every two adjacent sealing rings (42), the automobile partition plate (5) is clamped in the sealing groove (43), a sealing hole (44) corresponding to each cable is formed in the middle of the waterproof plug body (41), the sealing hole (44) is in interference fit with the cable (1), and the axis of the sealing hole (44) is parallel to the axis of the waterproof plug body (41), a plurality of annular bulges (45) are arranged on the side wall of the sealing hole (44), and the annular bulges (45) are arranged at equal intervals; the cable is characterized in that limiting protrusions (6) for limiting the sliding of the waterproof plug (4) are arranged on the outer peripheral surface of the cable (1), and the limiting protrusions (6) are respectively arranged on two sides of the waterproof plug (4).

2. The waterproof wire harness for an automobile according to claim 1, characterized in that: the sealing holes (44) are not communicated with each other and are arranged in central symmetry relative to the axis of the waterproof bolt body (41).

3. The waterproof wire harness for an automobile according to claim 1, characterized in that: the limiting bulge (6) is a rubber part and is adhered to the outer surface of the cable (1) through strong glue.

4. The waterproof wire harness for an automobile according to claim 1, characterized in that: the limiting bulges (6) are annular and sleeved outside the cable (1) or a plurality of limiting blocks arranged along the axis of the cable (1).

5. The waterproof wire harness for an automobile according to claim 1, characterized in that: the cross section of the sealing ring (42) is of a semicircular rectangular structure or a semicircular trapezoidal structure.

6. The waterproof wire harness for an automobile according to claim 1, characterized in that: the cable (1) comprises a conducting wire (11) and an outer covering layer (12) arranged outside the conducting wire, wherein the outer covering layer (12) comprises an insulating layer (121), an elastic buffer layer (122) wrapped outside the insulating layer (121) and an anti-abrasion layer (123) wrapped outside the elastic buffer layer (122).

7. The waterproof wire harness for an automobile according to claim 6, characterized in that: the insulating layer (121) is made of polyvinyl chloride plastics, the elastic buffer layer (122) is made of glass wool, and the anti-abrasion layer (123) is made of neoprene.

8. The waterproof wire harness for an automobile according to claim 6, characterized in that: one end of the lead (11) penetrates through the outer cladding (12), and the lead (11) penetrating through the outer cladding (12) is enameled with a layer of metal tin.

9. The waterproof wire harness for an automobile according to claim 1, characterized in that: the waterproof plug (4) is an integrated piece and is made of silicon rubber.