CN109066532B - Cable assembly part of inter-wire harness interface sealing structure and installation method - Google Patents
Cable assembly part of inter-wire harness interface sealing structure and installation method Download PDFInfo
- Publication number
- CN109066532B CN109066532B CN201810894420.7A CN201810894420A CN109066532B CN 109066532 B CN109066532 B CN 109066532B CN 201810894420 A CN201810894420 A CN 201810894420A CN 109066532 B CN109066532 B CN 109066532B
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- Prior art keywords
- flange
- sealing
- sealing body
- plate
- hole
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
Abstract
The invention discloses a cable assembly part with an interface sealing structure between wire harnesses and an installation method, and the cable assembly part comprises a connector, a wire harness, a flange plate and a sealing assembly, wherein the wire harness penetrates through the flange plate and the sealing assembly, the flange plate is provided with a flange plate cavity and a flange plate connecting hole, the side part of the flange plate cavity is provided with a flange plate glue filling hole and a flange plate wire hole for penetrating the wire harness, the sealing assembly comprises a sealing body and a sealing body cover plate which are connected with each other, the sealing body is provided with a sealing body through hole for penetrating the wire harness, the sealing body cover plate is also provided with a cover plate through hole for penetrating the wire harness, a first sealant is further arranged in the sealing assembly, the sealing assembly is. The sealant I realizes the isolation and sealing among all wires in the wire bundle; the high-pressure side and the non-high-pressure side of the flange are sequentially subjected to twice glue pouring treatment, so that the sealing effect in the cavity of the flange is further improved, and air holes and air bubbles are prevented.
Description
Technical Field
The invention relates to the technical field of space cables, in particular to a cable assembly part with an interface sealing structure between wire harnesses and an installation method.
Background
With the rapid development of aerospace technology, the use condition of cable assemblies passing through a cabin between missile bodies is more and more extensive, and the front interface and the rear interface of the cabin passing through are required to be sealed. In the prior art, when the cable assembly is used for cabin penetration sealing, an air-tight type cabin penetration connector is generally connected to a cabin penetration terminal of the cable assembly, and sealing of two interfaces of a cabin penetration body is realized by an interface sealing ring mode.
However, when the cable assembly body is directly penetrated through the cabin of the missile wall and the sealing requirement is met, the cabin penetrating position of the cable assembly body needs to be sealed, the existing sealing mode cannot meet the use requirement, and the design of the cable assembly body with the novel inter-harness interface sealing structure becomes necessary.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a method for sealing a cable assembly part of an interface between wire harnesses, which solves the problems in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides an interface seal structure cable assembly spare between pencil which characterized in that: including the connector, the pencil, ring flange and seal assembly, the pencil passes ring flange and seal assembly, the ring flange is equipped with ring flange cavity and ring flange connecting hole, the lateral part of ring flange cavity is equipped with ring flange encapsulating hole and is used for passing the ring flange wire guide of pencil, seal assembly includes interconnect's seal and seal apron, the seal is equipped with the seal through-hole that is used for passing the pencil, the seal apron also is equipped with the apron through-hole that is used for passing the pencil, still be equipped with sealed glue one in the seal assembly, seal assembly sets up inside the ring flange cavity, still be equipped with sealed glue two between seal assembly and the ring flange cavity.
As an optimized scheme, in the cable assembly with the sealing structure for the interface between the wire harnesses, the cross section of the cavity of the flange plate is in a wedge-shaped structure.
As an optimized scheme, in the cable assembly part with the wire harness interface sealing structure, the sealing body cover plate is provided with the cover plate connecting hole, the sealing body is provided with the sealing body connecting hole, and the cover plate connecting hole is connected with the sealing body connecting hole through the bolt.
As an optimized scheme, the cable assembly part with the wire harness interface sealing structure further comprises a flange pressing plate, wherein the flange is connected with the flange pressing plate, bending ends are arranged at two ends of the flange pressing plate, pressing plate holes are arranged at the bending ends, and the pressing plate holes are used for being connected with flange connecting holes and a spacecraft through screws.
As an optimized scheme, the cable assembly part with the sealing structure of the wire harness interface is epoxy structural adhesive.
As an optimized scheme, in the cable assembly part with the sealing structure for the interface between the wire harnesses, the sealing body connecting surface of the sealing body cover plate is further provided with the cover plate inner protrusion, and when the sealing body cover plate is connected with the sealing body, the cover plate inner protrusion is inserted into the sealing body.
As an optimized scheme, in the cable assembly part with the inter-wire harness interface sealing structure, the sealing body is further provided with a flange connecting hole, and the flange connecting hole is used for connecting the sealing assembly to the flange cavity.
Based on the installation method of the cable assembly part with the inter-wire harness interface sealing structure, the method is characterized in that: the method comprises the following steps:
s1: passing the conductor bundle through the seal assembly and the flange;
s2: filling the sealing body with the first sealant, and separating the strands of wires of the wire bundle in the sealing body during filling;
s3: after the sealant is cured, covering the sealing body cover plate;
s4: carrying out first glue pouring on the inner part of the flange plate: the specific method comprises the following steps: pouring a second sealant into the flange plate from the lead hole of the flange plate;
s5: and (3) performing secondary glue pouring on the inner part of the flange plate: the specific method comprises the following steps: and after the second sealant in the S4 is solidified, filling the second sealant in the cavity of the flange plate through the flange plate glue pouring hole.
In the method for installing the cable assembly with the sealing structure for the interface between the wire harnesses, the second sealant (8) is an epoxy structural adhesive.
The invention achieves the following beneficial effects: the invention assembles the sealing assembly by all the single wires of the wire harness passing through the sealing body and the sealing body cover plate, the sealing assembly is filled with the transmitting-resistant and using-environment-resistant sealant, and the purpose is to realize the isolation and sealing among the wires in the wire harness; then fix the seal assembly in the ring flange cavity with the screw to carry out twice encapsulating in proper order at the high pressure side and the non-high pressure side of ring flange and handle, furthest's promotion ring flange cavity internal sealed environment prevents the appearance of gas pocket, bubble, finally realizes the pencil at the sealed at ring flange both sides interface, and this embodiment carries out the cubic encapsulating altogether and handles, and sealed effect preferred.
Drawings
FIG. 1 is an overall front view of the present invention;
FIG. 2 is an overall top view of the present invention;
FIG. 3 is a partial method diagram of FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 3;
FIG. 5 is a front view of the flange of the present invention;
FIG. 6 is a cut-away view A-A of FIG. 5;
FIG. 7 is a top view of the flange of the present invention;
FIG. 8 is a top view of the sealing body of the present invention;
FIG. 9 is a front view of the sealing body of the present invention;
FIG. 10 is a left side view of the seal body of the present invention;
FIG. 11 is a front view of the seal body cover plate of the present invention;
FIG. 12 is a top view of the seal body cover plate of the present invention;
FIG. 13 is a left side view of the seal body cover plate of the present invention;
FIG. 14 is a front elevational view of the flange plate of the present invention;
FIG. 15 is a left side elevational view of the flange platen of the present invention;
FIG. 16 is a first front view of the seal cover and seal attachment of the present invention;
FIG. 17 is a second front view of the seal cover and seal attachment of the present invention;
the meaning of the reference numerals: 1-a connector; 2-a wire harness; 3-a flange plate; 31-a flange cavity; 32-flange plate connecting hole; 311-a flange plate glue filling hole; 312-flange wire guide; 4-flange pressing plate; 41-bent end; 411-platen holes; 5-sealing body cover plate; 51-cover plate through hole; 52-cover plate attachment holes; 53-cover plate inner bulge; 6-sealing body; 61-seal through hole; 62-seal body attachment holes; 63-flange plate connecting hole; 7-sealing gum I; 8-sealing glue II.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 4: the utility model provides an interface seal structure cable assembly spare between pencil, including connector 1, wire harness 2, ring flange 3 and seal assembly, wire harness 2 passes ring flange 3 and seal assembly, ring flange 3 is equipped with ring flange cavity 31 and ring flange connecting hole 32, the lateral part of ring flange cavity 31 is equipped with ring flange encapsulating hole 311 and is used for passing ring flange wire guide 312 of wire harness 2, seal assembly includes interconnect's seal 6 and seal apron 5, seal 6 is equipped with the seal through-hole 61 that is used for passing wire harness 2, seal apron 5 also is equipped with the apron through-hole 51 that is used for passing wire harness 2, still be equipped with sealed glue 7 in the seal assembly, seal assembly sets up inside ring flange cavity 31, still be equipped with sealed glue two 8 between seal assembly and the ring flange cavity 31.
With reference to fig. 5 to 7: the cross-section of the flange cavity 31 is preferably wedge-shaped in order to reduce wind resistance.
As in fig. 8-13; the sealing body cover plate 5 of the present embodiment is provided with the cover plate attachment hole 52, the sealing body 6 is provided with the sealing body attachment hole 62, and the cover plate attachment hole 52 is attached to the sealing body attachment hole 62 by a bolt. In order to further enhance the sealing performance of the sealing assembly, the sealing body 6 connecting surface of the sealing body cover plate 5 is further provided with a cover plate inner protrusion 53, and when the sealing body cover plate 5 is connected with the sealing body 6, the cover plate inner protrusion 53 can be inserted into the sealing body 6.
To facilitate attachment, the seal body 6 is also provided with flange attachment holes 63 (FIG. 9), the flange attachment holes 63 being used to attach the seal assembly to the flange cavity 31.
As shown in fig. 14 and 15: in order to improve the reliability of the integral sealing and connection of the present embodiment, the present embodiment further includes a flange pressing plate 4, the flange 3 is connected to the flange pressing plate 4, two ends of the flange pressing plate 4 are provided with a bending end 41, the bending end 41 is provided with a pressing plate hole 411, and the pressing plate hole 411 is used for being connected to the flange connecting hole 32 through a screw.
The embodiment also discloses an installation method of the cable assembly with the inter-harness interface sealing structure, which is described in the following with reference to the accompanying drawings:
as shown in fig. 16 and 17: when the sealing structure is used, firstly, the conductor bundle 2 penetrates through the sealing component (the sealing body through hole 61 and the cover plate through hole 51) and the flange plate 3 (the flange plate conductor hole 312), then the sealing glue I7 is filled in the sealing body 6, and during filling, all strands of conductors of the conductor bundle 2 in the sealing body 6 are separated from each other; therefore, the sealing function can be realized, and the functions of isolating the lead and preventing the disconnection can also be realized. After the first sealant 7 is cured, connecting the sealing body cover plate 5 with the sealing body connecting hole 62 of the sealing body 6 through the cover plate connecting hole 52; then pouring the second sealant 7 into the flange cavity 31 from the flange pouring hole 312 (on the side of the cavity at the high-pressure end of the flange); and after the second sealant 7 is cured, filling the second sealant 8 into the flange cavity 31 through the flange potting hole 311 (on the side of the flange non-high-pressure end cavity), and achieving the sealing effect after the second sealant 8 is completely cured.
The second sealant 8 of this embodiment is preferably an epoxy structural adhesive.
The invention assembles a sealing component by penetrating all single wires of the wire harness through the sealing body 6 and the sealing body cover plate 5, and the sealing component is filled with a first sealant 7 which is resistant to emission and use environment, so as to realize the separation and sealing of the wires in the wire harness 2; and then the sealing assembly is fixed in the flange plate cavity 31 by using screws, and glue filling treatment is sequentially carried out twice on the high-pressure side and the non-high-pressure side of the flange plate 3, so that the sealing environment in the flange plate cavity 31 is improved to the maximum extent, air holes and air bubbles are prevented, and finally the sealing of the wire harness on the interfaces at the two sides of the flange plate is realized.
This embodiment carries out the processing of three times encapsulating altogether, and sealed effect is preferred.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides an interface seal structure cable assembly spare between pencil which characterized in that: comprises a connector (1), a lead bundle (2), a flange plate (3) and a sealing component, the lead bundle (2) passes through the flange plate (3) and the sealing component, the flange plate (3) is provided with a flange plate cavity (31) and a flange plate connecting hole (32), the side part of the flange plate cavity (31) is provided with a flange plate glue filling hole (311) and a flange plate wire hole (312) for penetrating through the wire bundle (2), the sealing component comprises a sealing body (6) and a sealing body cover plate (5) which are connected with each other, the sealing body (6) is provided with a sealing body through hole (61) for penetrating through the wire bundle (2), the sealing body cover plate (5) is also provided with a cover plate through hole (51) for penetrating through the wire bundle (2), a first sealant (7) is also arranged in the sealing component, the sealing component is arranged in the flange plate cavity (31), and a second sealant (8) is also arranged between the sealing component and the flange plate cavity (31).
2. The cable assembly of claim 1, wherein: the section of the flange plate cavity (31) is of a wedge-shaped structure.
3. The cable assembly of claim 1, wherein: the sealing body cover plate (5) is provided with a cover plate connecting hole (52), the sealing body (6) is provided with a sealing body connecting hole (62), and the cover plate connecting hole (52) is connected with the sealing body connecting hole (62) through a bolt.
4. The cable assembly of claim 1, wherein: still include ring flange clamp plate (4), ring flange (3) connection ring flange clamp plate (4), ring flange clamp plate (4) both ends are equipped with bending end (41), bending end (41) are equipped with clamp plate hole (411), clamp plate hole (411) are used for connecting flange connecting hole (32) and spacecraft through the screw.
5. The cable assembly of claim 1, wherein: and the second sealant (8) is epoxy structural adhesive.
6. The cable assembly of claim 1, wherein: the sealing body (6) connecting surface of the sealing body cover plate (5) is also provided with a cover plate inner bulge (53), and when the sealing body cover plate (5) is connected with the sealing body (6), the cover plate inner bulge (53) is inserted into the sealing body (6).
7. The cable assembly of claim 1, wherein: the sealing body (6) is further provided with a flange connecting hole (63), and the flange connecting hole (63) is used for connecting the sealing assembly to the flange cavity (31).
8. The method for installing a cable assembly with a sealing structure at an interface between wire harnesses according to claim 1, wherein: the method comprises the following steps:
s1: the lead bundle (2) passes through the sealing component and the flange plate (3);
s2: filling a first sealant (7) in the sealing body (6), and separating strands of wires of the wire bundle (2) in the sealing body (6) during filling;
s3: after the first sealant (7) is cured, covering the sealing body cover plate (5);
s4: carry out the first encapsulating to ring flange (3) inside: the specific method comprises the following steps: pouring a second sealant (7) into the flange plate (3) from the position of the flange plate wire hole (312);
s5: and (3) performing secondary glue filling on the inside of the flange plate: the specific method comprises the following steps: and after the second sealant (7) in the S4 is cured, filling the second sealant (8) in the flange cavity (31) through the flange glue pouring hole (311).
9. The method of installing a cable assembly having an interfacial seal between wire harnesses according to claim 7, wherein: and the second sealant (8) is epoxy structural adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810894420.7A CN109066532B (en) | 2018-08-08 | 2018-08-08 | Cable assembly part of inter-wire harness interface sealing structure and installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810894420.7A CN109066532B (en) | 2018-08-08 | 2018-08-08 | Cable assembly part of inter-wire harness interface sealing structure and installation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109066532A CN109066532A (en) | 2018-12-21 |
| CN109066532B true CN109066532B (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810894420.7A Active CN109066532B (en) | 2018-08-08 | 2018-08-08 | Cable assembly part of inter-wire harness interface sealing structure and installation method |
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| CN (1) | CN109066532B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112490981A (en) * | 2020-12-01 | 2021-03-12 | 沈阳工业大学 | Wire harness wall-passing structure and installation method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4424867A (en) * | 1981-03-31 | 1984-01-10 | Fiberglas Canada Inc. | Heat hardening sealant-gel for flexible couplings |
| CN103066467B (en) * | 2013-01-18 | 2015-02-11 | 中国工程物理研究院电子工程研究所 | Multi-coaxial cable sealing penetrating-through connecting device |
| CN103206577B (en) * | 2013-03-12 | 2017-09-29 | 北京新立机械有限责任公司 | A kind of cable bundle flange perfusion and encapsulating method |
| CN103344498A (en) * | 2013-06-21 | 2013-10-09 | 上海航天精密机械研究所 | Data interface and system for external pressure test of sealed cabin |
| CN105514736B (en) * | 2014-09-23 | 2018-05-18 | 上海机电工程研究所 | A kind of flat cable and preparation method thereof |
| DE102015220318A1 (en) * | 2015-10-19 | 2017-04-20 | Lisa Dräxlmaier GmbH | DOZEN AND METHOD FOR MANUFACTURING SUCH A PIECE |
| CN205942025U (en) * | 2016-08-22 | 2017-02-08 | 中国科学院沈阳自动化研究所 | Optic fibre that can bear 100MPa pressure is worn wall and is put |
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| CN109066532A (en) | 2018-12-21 |
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