CN211295538U - Low pressure pencil waterproof construction - Google Patents
Low pressure pencil waterproof construction Download PDFInfo
- Publication number
- CN211295538U CN211295538U CN202020369178.4U CN202020369178U CN211295538U CN 211295538 U CN211295538 U CN 211295538U CN 202020369178 U CN202020369178 U CN 202020369178U CN 211295538 U CN211295538 U CN 211295538U
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- China
- Prior art keywords
- low
- waterproof
- wire harness
- voltage wire
- wires
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- 238000010276 construction Methods 0.000 title claims description 5
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 239000002184 metal Substances 0.000 claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims abstract description 24
- 238000002955 isolation Methods 0.000 claims abstract description 11
- 238000002788 crimping Methods 0.000 claims abstract description 5
- 239000004020 conductor Substances 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000004078 waterproofing Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 239000013013 elastic material Substances 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
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- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model discloses a low-voltage wire harness waterproof structure, which comprises a low-voltage wire harness, wherein the low-voltage wire harness is formed by combining a plurality of wires and then crimping two ends of the wires with a connector, and the head end and the tail end of each wire are both connected with metal terminals; waterproof plugs are sleeved at the connecting parts of the wires and the metal terminals, and the tail ends of the metal terminals extend out of the waterproof plugs; two ends of the low-voltage wire harness are respectively provided with a group of sealing plates, and the metal terminal of each wire penetrates through the sealing plates and extends outwards; the sealing plate comprises a plate body, wherein a plurality of groups of through holes are arranged on the plate body, and sealing gaskets are arranged on the inner side and the outer side of each through hole; the electric wire comprises a wire core serving as a conductor and an insulating tube wrapping the wire core, and the insulating tube is wrapped by an isolating tube; and the outer wall of the insulating pipe is sprayed with a waterproof layer. The utility model adopts the sealing plate which reinforces and seals the connection part of the electric wire and the metal terminal, thereby improving the sealing performance and further optimizing the waterproof performance; meanwhile, the waterproof performance of the electric wire is enhanced through the isolation of the outer wall.
Description
Technical Field
The utility model belongs to the technical field of the low pressure pencil, concretely relates to low pressure pencil waterproof construction.
Background
The wire harness is a component in which a contact terminal (connector) punched from a copper material is crimped with an electric wire and cable, and then an insulator is molded or a metal case is added to the exterior of the contact terminal, so that a connection circuit is formed by bundling the contact terminal and the cable with the wire harness. The low-voltage wire harness is also called an automobile wire harness, and is a network main body of an automobile circuit. The low-voltage wire is a copper multi-core flexible wire, some flexible wires are thin like hair, and several or even dozens of flexible copper wires are wrapped in a plastic insulating tube and are soft and not easy to break.
In the specification of the technical requirements of the low-voltage wire harness, the requirement on the waterproof property is high, and the waterproof structure of the low-voltage wire harness is required to be more effective because the waterproof property and the service life of the low-voltage wire harness are key factors.
SUMMERY OF THE UTILITY MODEL
To not enough and a difficult problem among the prior art, the utility model aims at providing a low pressure pencil waterproof construction.
The utility model discloses a following technical scheme realizes:
a low-voltage wire harness waterproof structure comprises a low-voltage wire harness, wherein the low-voltage wire harness is formed by combining a plurality of wires and then crimping two ends of the wires with a connector, and the head end and the tail end of each wire are connected with metal terminals; waterproof plugs are sleeved at the connecting parts of the wires and the metal terminals, and the tail ends of the metal terminals extend out of the waterproof plugs; two ends of the low-voltage wire harness are respectively provided with a group of sealing plates, and the metal terminal of each wire penetrates through the sealing plates and extends outwards; the sealing plate comprises a plate body, wherein a plurality of groups of through holes are arranged on the plate body, and sealing gaskets are arranged on the inner side and the outer side of each through hole; the electric wire comprises a wire core serving as a conductor and an insulating tube wrapping the wire core, and the insulating tube is wrapped by an isolating tube; and the outer wall of the insulating pipe is sprayed with a waterproof layer.
Further, the waterproof plug is made of rubber elastic materials.
Furthermore, the inner wall of the isolation pipe is connected with the outer wall of the insulation pipe through threads.
Furthermore, the outer wall of the isolation pipe is provided with uniformly distributed convex ribs.
Further, set up the protective sheath between two sets of closing plates, the protective sheath is lived each electric wire whole parcel.
Further, the protective sleeve adopts a corrugated pipe.
Compared with the prior art, the utility model discloses beneficial effect includes:
(1) the utility model adopts the sealing plate which reinforces and seals the connection part of the electric wire and the metal terminal, thereby improving the sealing performance and further optimizing the waterproof performance; meanwhile, the waterproof performance of the electric wire is enhanced through the isolation of the outer wall.
(2) The utility model discloses a closing plate still can be arranged the both ends of electric wire in order, and the follow-up and connector of being convenient for meet.
(3) The utility model discloses an outer wall of insulating tube and the inner wall of isolation tube set up the screw thread that matches each other, and the two of being convenient for on the one hand is connected, and on the other hand improves the surface area of insulating tube, and then improves waterproof coating's adhesion area, improves waterproof nature indirectly.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic side view of the sealing plate of the present invention.
Fig. 3 is a cross-sectional view of the electric wire of fig. 1 taken along the direction a-a.
Illustration of the drawings: 1-electric wire, 101-wire core, 102-insulating tube, 103-waterproof layer, 104-isolating tube, 2-waterproof plug, 3-sealing plate, 301-plate body, 302-perforation, 303-sealing pad, 4-metal terminal and 5-protective sleeve.
In the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, integrally connected; can be mechanical connection and electrical connection; may be directly connected, indirectly connected through intervening agents, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood to be specific to those skilled in the art.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 3, a low-voltage wire harness waterproof structure includes a low-voltage wire harness, the low-voltage wire harness is formed by binding or winding or combining a plurality of wires 1 in parallel and then crimping the two ends of the wires 1 with a connector, and the head and tail ends of the wires 1 are connected with metal terminals 4.
The waterproofing of low-voltage wire harnesses mainly works in two ways: (1) the metal terminals 4 at the head end and the tail end of the wire 1 are used for inserting a connector, and the connection part of the wire 1 and the metal terminals 4 belongs to an area which is easy to break and leak, so that water is caused to enter, and the waterproofness of the part needs to be enhanced; (2) the waterproof performance of the wire 1 is that the wrapping layer of the wire core in the wire 1 is easily broken after being influenced by external force, so that the waterproof performance is greatly reduced.
In order to improve the waterproof performance of the low-voltage wire harness, waterproof plugs 2 are sleeved at the joints of the wires 1 and the metal terminals 4, the tail ends of the metal terminals 4 extend out of the waterproof plugs 2, and the waterproof plugs 2 are made of rubber elastic materials, so that the waterproof wire harness has a waterproof effect and can also have a shock absorption protection effect; two ends of the low-voltage wire harness are respectively provided with a group of sealing plates 3, and the metal terminal 4 of each wire 1 penetrates through the sealing plates 3 and extends outwards; the sealing plate 3 comprises a plate body 301, a plurality of groups of through holes 302 are formed in the plate body 301, the size, the number and the arrangement mode of the through holes 302 are determined according to the inner diameter, the number and the combination mode of the electric wires 1 in the low-voltage wire harness, in the concrete implementation, the sealing gasket 303 is arranged on the inner side and the outer side of each through hole 302, namely, after the metal terminal 4 penetrates out of each through hole 302, the metal terminal is reinforced and sealed by the sealing gasket 303 from the inlet end and the outlet end of. The sealing plate 3 functions to: (1) the sealing performance is further improved, so that the waterproof performance is further optimized; (2) the two ends of the wire 1 are orderly arranged, so that the wire is convenient to be connected with a connector subsequently. The sealing pad 303 may be integrated with the plate 301 or may be a separate structure.
The electric wire 1 comprises a wire core 101 serving as a conductor and an insulating tube 102 wrapping the wire core 101, in order to improve the waterproofness of the electric wire 1, the insulating tube 102 is wrapped with an isolating tube 104, and the isolating tube 104 is used for further isolating the external environment from the electric wire, so that the pressure resistance of the electric wire is improved, the breakage possibility of the electric wire is reduced, and meanwhile, water vapor is prevented from entering the electric wire; the outer wall of the insulating tube 102 is coated with a waterproof layer 103, and the waterproof layer 103 is made of coating allowed in the field. The inner wall of the isolation tube 104 is in threaded connection with the outer wall of the insulation tube 102, namely, the outer wall of the insulation tube 102 and the inner wall of the isolation tube 104 are provided with threads matched with each other, so that on one hand, the two are convenient to connect, on the other hand, the surface area of the insulation tube 102 is increased, and then, the adhesion area of a waterproof coating is increased, and the waterproofness is indirectly increased.
The outer wall of the isolation pipe 104 is provided with uniformly distributed convex ridges, so that the compression resistance and the shock resistance of the isolation pipe are improved, and the loss caused by friction is reduced.
Set up protective sheath 5 between two sets of closing plates 3, protective sheath 5 parcel live 1 subassembly of electric wire, and protective sheath 5 adopts the bellows, gets up the regional protection of electric wire of low pressure pencil, and further keep apart the outside, indirectly improve waterproof nature, play the shock attenuation effect simultaneously.
The compound mode of low pressure pencil, the crimping mode of connector adopt conventional design, the utility model discloses no longer give unnecessary details.
The foregoing merely illustrates preferred embodiments of the present invention, which are described in considerable detail and detail, but are not 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 spirit of the present invention, several changes, modifications and substitutions can be made, which are all within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. The utility model provides a low pressure pencil waterproof construction, includes the low pressure pencil, its characterized in that: the low-voltage wire harness is formed by combining a plurality of wires and then crimping two ends of the wires with a connector, and the head end and the tail end of each wire are connected with metal terminals; waterproof plugs are sleeved at the connecting parts of the wires and the metal terminals, and the tail ends of the metal terminals extend out of the waterproof plugs; two ends of the low-voltage wire harness are respectively provided with a group of sealing plates, and the metal terminals of the wires penetrate through the sealing plates and extend outwards; the sealing plate comprises a plate body, a plurality of groups of through holes are arranged on the plate body, and sealing gaskets are arranged on the inner side and the outer side of each through hole; the electric wire comprises a wire core serving as a conductor and an insulating tube wrapping the wire core, wherein an isolating tube is wrapped outside the insulating tube; and a waterproof layer is sprayed on the outer wall of the insulating pipe.
2. The low-voltage wire harness waterproofing structure according to claim 1, wherein: the waterproof plug is made of rubber elastic materials.
3. The low-voltage wire harness waterproofing structure according to claim 1, wherein: the inner wall of the isolation pipe is connected with the outer wall of the insulation pipe through threads.
4. The low-voltage wire harness waterproofing structure according to claim 1, wherein: and the outer wall of the isolation pipe is provided with uniformly distributed convex ribs.
5. The low-voltage wire harness waterproofing structure according to claim 1, wherein: and a protective sleeve is arranged between the two groups of sealing plates and wraps the whole electric wire.
6. The low-voltage wire harness waterproofing structure according to claim 5, wherein: the protective sleeve adopts a corrugated pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020369178.4U CN211295538U (en) | 2020-03-21 | 2020-03-21 | Low pressure pencil waterproof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020369178.4U CN211295538U (en) | 2020-03-21 | 2020-03-21 | Low pressure pencil waterproof construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211295538U true CN211295538U (en) | 2020-08-18 |
Family
ID=72014372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020369178.4U Active CN211295538U (en) | 2020-03-21 | 2020-03-21 | Low pressure pencil waterproof construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211295538U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114552268A (en) * | 2022-01-18 | 2022-05-27 | 无锡凯通机车部件有限公司 | Electric vehicle main control line and production process thereof |
| WO2022116715A1 (en) * | 2020-12-01 | 2022-06-09 | 沈阳工业大学 | Wiring harness through-wall structure and installation method thereof |
-
2020
- 2020-03-21 CN CN202020369178.4U patent/CN211295538U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022116715A1 (en) * | 2020-12-01 | 2022-06-09 | 沈阳工业大学 | Wiring harness through-wall structure and installation method thereof |
| US12095245B2 (en) | 2020-12-01 | 2024-09-17 | Shenyang University Of Technology | Wire harness wall-passing structure and installation method thereof |
| CN114552268A (en) * | 2022-01-18 | 2022-05-27 | 无锡凯通机车部件有限公司 | Electric vehicle main control line and production process thereof |
| CN114552268B (en) * | 2022-01-18 | 2023-09-22 | 无锡凯通机车部件有限公司 | Main control line of electric vehicle and production process thereof |
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