CN112838417A - Aviation cable connector with sealing performance - Google Patents

Abstract

The invention provides an aviation cable joint with sealing performance, belongs to the technical field of cable joints, and is used for solving the technical problems that the existing aviation cable joint is poor in sealing performance, dust or oil dirt easily enters the interior of the existing aviation cable joint, and the joint of the existing aviation cable joint is unstable and easy to loosen. The connecting sealing gasket and the third sealing ring are fixed between the male head shell and the female head shell, the inner shell and the outer shell are fixed outside the male head shell and the female head shell, the second sealing rings are fixed between the male head shell and the outer shell and between the female head shell and the outer shell, and the first sealing rings are fixed between the outer shell and the inner shell; the stepped seal is formed by connecting the sealing gasket and the third sealing ring, the first sealing ring and the second sealing ring form multi-stage seal, the effect is superior to that of a common single seal form, the abutting boss can reduce the contact area with the outside, and the possibility of dust, oil stain and other impurities entering the plug is reduced; the female head core is clamped in the female head groove, so that the connection is stable and not easy to loosen, and the protection function can be realized.

Description

Aviation cable connector with sealing performance

The invention belongs to the application date: 2019-12-26, application number: 201911361369.4, patent name: a divisional application of an aviation cable joint with sealing performance.

Technical Field

The invention belongs to the technical field of cable connectors, and relates to a sealing connector device, in particular to an aviation cable connector with sealing performance.

Background

The aviation cable connector is one of connectors and is an electromechanical element for connecting electric circuits, the correct selection and use of the cable connector are important aspects for ensuring the reliability of the circuits, and the cable connector is widely applied to various electric circuits, and has various types and wide application range. The traditional sealing mode is single-stage sealing only through gasket or gum cover interference fit, the sealing effect is poor, and only through bolted connection, the joint connection is unstable.

Through retrieval, for example, chinese patent literature discloses a novel aviation plug [ application number: CN 201820100313.8; publication No.: CN207732214U ]. The novel aviation plug comprises an aviation plug, an aviation socket, a mounting seat and a plug outer cover, wherein the plug outer cover is arranged on the aviation plug outer cover, a relative rotation device is arranged between the aviation plug and the plug outer cover, the aviation plug is inserted into the aviation socket, and the aviation socket is sleeved inside the mounting seat. Although this novel aviation plug can realize the high-speed joint, sealing performance is poor, and debris such as dust or greasy dirt easily get into the plug inside, and the connection of joint department is unstable, easily not hard up.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides an aviation cable joint with sealing performance, which aims to solve the technical problems that: how to realize improving the sealing performance of aviation cable joint through plug structure itself, prevent that debris such as dust or greasy dirt from getting into the plug inside to make articulate firm, difficult not hard up.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides an aviation cable connects with sealing performance, including public first shell and female first shell, female first shell is fixed on public first shell, be fixed with connection sealing pad and third sealing washer between public first shell and the female first shell, public first shell and female first shell inside all is fixed with the top rubber sleeve, awl rubber sleeve and bottom rubber sleeve down, public first shell and female first shell are all fixed with inner shell and shell outward, be fixed with the second sealing washer between public first shell and the shell, also be fixed with the second sealing washer between female first shell and the shell, be fixed with first sealing washer between shell and the inner shell, the inner shell internal fixation has upper cone rubber sleeve and plug, be fixed with buckle and sealed gum cover on the shell, public first shell internal fixation has public first core, female first shell internal fixation has female first core, be fixed with the spring on the public first core.

The working principle of the invention is as follows: form cascaded sealed through connecting sealed pad and third sealing washer to public first core and female first core kneck, the effect is superior to ordinary single sealed form, the top rubber sleeve, adopt the tight fit mode to be connected between awl rubber sleeve and bottom rubber sleeve and the cable down, sealing performance is good, through the multistage sealed design of first sealing washer and second sealing washer, get into the inside multiple hindrance that sets up of plug for debris such as dust or greasy dirt, can improve sealing performance, it forms external seal at the cable surface to be compressed tightly through sealed gum cover, it can provide pressure to be fixed with the spring on the public first core, make female first core and public first core closely laminate with female first shell and public first shell respectively, sealing performance is improved.

The outside one end of public first shell is equipped with the tight boss in top, and the inner shell is fixed on the tight boss in top, and the tip of public first shell and the tight boss in top all sets up screw thread, and the screw hole of a plurality of equipartitions is seted up to the up end of public first shell, and the outside one end of public first shell is frustum shape, and public head core is located it, and the outside of the inside one end of public first shell is equipped with public head mounting panel.

Structure more than adopting, adopt threaded connection, connect reliably, and debris such as dust or greasy dirt are difficult for getting into, improve joint leakproofness, the inseparable laminating of public first core and public first shell inner wall can improve joint department sealing performance, adopts the tight boss design in top, can reduce cable joint and outside area of contact, reduces debris such as dust or greasy dirt and gets into the inside possibility of plug.

The inner shell is internally provided with a frustum-shaped inner hole, the taper of the inner shell is the same as that of the upper cone rubber sleeve, the upper cone rubber sleeve is fixed in the frustum-shaped inner hole, the upper end face of the inner shell is provided with a plurality of uniformly distributed stepped holes, and the threaded holes and the stepped holes are concentric.

By adopting the structure, the upper cone rubber sleeve is extruded and fixed in the frustum-shaped inner hole by the jacking boss, and the upper cone rubber sleeve can be transversely deformed by the axial extrusion through the jacking boss, so that the upper cone rubber sleeve is more tightly attached to a cable, and the sealing effect is good.

The upper end face of the shell is provided with a clamping boss, the clamping boss is provided with a groove, the two buckles are matched and clamped on the groove, the lower end part of the shell is a threaded end, and the male shell and the threaded end are connected through threads.

Structure more than adopting, two buckles cooperate the block on the recess and press from both sides tight rubber sleeve, make the tight cable of rubber sleeve clamp, play sealed effect, prevent that there is debris such as dust or greasy dirt in joint department from getting into, influence connection performance.

The outside one end of female head shell is the same with the outside one end structure of public first shell, and the outside one end of female head shell is also frustum shape, and female head core is located it, and the frustum shape outside is equipped with the seal groove, and the third sealing washer is located the seal groove, and the outside of the inside one end of female head shell is equipped with female head mounting panel.

Through bolted connection between public first mounting panel and the female first mounting panel, and the joint gasket is located between public first mounting panel and the female first mounting panel, but public first shell inside one end block is in the seal groove.

Structure more than adopting, through bolted connection between public first mounting panel and the female mounting panel, closely laminate with the joint gasket, through the inside one end block of public first shell in the seal groove, form cascaded seal structure, it is sealed effectual, the third sealing washer is located the seal groove, with joint gasket double sealing, sealing performance is better.

Female first groove has been seted up to the tip of public first core, and a plurality of equipartition springs are located the outer lane in female first groove, and female first core can block in female first groove.

Structure more than adopting, through female first core block at female first inslot, connect firm, difficult not hard up, and can play the protection usefulness, a plurality of equipartition springs are located the outer lane in female first groove, can provide pressure, make female first core and public first core closely laminate with female first shell and public first shell respectively, improve sealing performance.

Compared with the prior art, this aviation cable joint with sealing performance has following advantage:

1. the male head mounting plate and the female head mounting plate are connected through bolts, are tightly attached to the connecting sealing gasket, and are clamped in the sealing groove through the inward end of the male head shell to form a stepped sealing structure, so that the effect is superior to that of a common single sealing form, and the sealing effect is good;

2. the female head core is clamped in the female head groove, so that the connection is stable, the looseness is not easy to occur, and the protection function can be realized;

3. the male head shell and the female head shell are in threaded connection with the outer shell and the inner shell, so that the connection is reliable, dust, oil dirt and other impurities are not easy to enter, and the sealing property of the joint is improved;

4. through the multi-stage sealing design of the first sealing ring and the second sealing ring, multiple obstacles are arranged for dust, oil stain and other sundries to enter the plug, and the jacking boss design is adopted, so that the contact area of the cable joint and the outside can be reduced, and the possibility of the dust, oil stain and other sundries entering the plug is reduced;

5. the upper cone rubber sleeve is extruded and fixed in the frustum-shaped inner hole by the jacking boss, and the upper cone rubber sleeve can be transversely deformed by the axial extrusion of the jacking boss, so that the upper cone rubber sleeve is more tightly attached to the cable, and the sealing effect is good;

6. two buckles cooperate the block on the recess and press from both sides tight rubber sleeve, make the tight cable of rubber sleeve clamp, are compressed tightly at the cable surface through rubber sleeve and form external seal, play sealed effect, prevent that there is debris such as dust or greasy dirt to get into in joint department, influence connection performance.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of an axial structure of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is an exploded view of the male housing and its associated parts of the present invention;

FIG. 5 is an exploded view of the female housing and its connecting parts in accordance with the present invention;

in the figure: 1-male head shell, 1 a-male head mounting plate, 1 b-threaded hole, 1 c-top tight boss, 2-top rubber sleeve, 3-lower cone rubber sleeve, 4-bottom rubber sleeve, 5-inner shell, 5 a-stepped hole, 6-second sealing ring, 7-upper cone rubber sleeve, 8-first sealing ring, 9-outer shell, 9 a-clamping boss, 9 b-threaded end, 9 c-groove, 10-buckle, 11-sealing rubber sleeve, 12-rubber plug, 13-female head shell, 13 a-female head mounting plate, 13 b-sealing groove, 14-connecting sealing gasket, 15-third sealing ring, 16-female head core, 17-male head core, 17 a-female head groove and 18-spring.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-5, in the present embodiment, an aviation cable joint with sealing performance is provided, which includes a male casing 1 and a female casing 13, the female casing 13 is fixed on the male casing 1, in the present embodiment, the above-mentioned fixing manner adopts a bolt connection, a connecting gasket 14 and a third sealing ring 15 are fixed between the male casing 1 and the female casing 13, a top rubber sleeve 2, a lower cone rubber sleeve 3 and a bottom rubber sleeve 4 are fixed inside the male casing 1 and the female casing 13, in the present embodiment, the above-mentioned fixing manner adopts a tight fit connection, an inner casing 5 and an outer casing 9 are fixed outside the male casing 1 and the female casing 13, in the present embodiment, the above-mentioned fixing manner adopts a threaded connection, a second sealing ring 6 is fixed between the male casing 1 and the outer casing 9, and a second sealing ring 6 is also fixed between the female casing 13 and the outer casing 9, in the present embodiment, the above-mentioned fixing manner adopts a tight fit connection, a first sealing ring 8 is fixed between the outer shell 9 and the inner shell 5, in this embodiment, the fixing manner is a tight fit connection, an upper cone rubber sleeve 7 and a rubber plug 12 are fixed in the inner shell 5, in this embodiment, the fixing manner is a tight fit connection, a buckle 10 and a sealing rubber sleeve 11 are fixed on the outer shell 9, in this embodiment, the fixing manner is a bolt connection, a male head core 17 is fixed in the male head shell 1, in this embodiment, the fixing manner is a bolt connection, a female head core 16 is fixed in the female head shell 13, in this embodiment, the fixing manner is a bolt connection, and a spring 18 is fixed on the male head core 17; form cascaded sealed through connecting sealed pad 14 and third sealing washer 15 to public first core 17 and 16 knecks of female first core, the effect is superior to ordinary single sealed form, top rubber sleeve 2, down awl rubber sleeve 3 and bottom rubber sleeve 4 are connected with the cable between adopting the tight fit mode, sealing performance is good, through the multistage sealed design of first sealing washer 8 and second sealing washer 6, get into the inside multiple hindrance that sets up of plug for debris such as dust or greasy dirt, can improve sealing performance, it forms external seal to be compressed tightly at the cable surface through sealed gum cover 11, it can provide pressure to be fixed with spring 18 on public first core 17, make female first core 16 and public first core 17 closely laminate with female first shell 13 and public first shell 1 respectively, improve sealing performance.

In the embodiment, the outward end of the male shell 1 is provided with a jacking boss 1c, the inner shell 5 is fixed on the jacking boss 1c, the fixing mode adopts threaded connection, the end parts of the male shell 1 and the jacking boss 1c are both provided with threads, the upper end surface of the male shell 1 is provided with a plurality of uniformly distributed threaded holes 1b, the outward and inward end of the male shell 1 is in a frustum shape, a male core 17 is positioned in the frustum shape, and the outer side of the inward end of the male shell 1 is provided with a male mounting plate 1 a; adopt threaded connection, connect reliably, and debris such as dust or greasy dirt are difficult for getting into, improve the joint leakproofness, the inseparable laminating of public first core 17 and 1 inner wall of public first shell can improve joint department sealing performance, adopts the design of tight boss 1c in top, can reduce cable joint and outside area of contact, reduces debris such as dust or greasy dirt and gets into the inside possibility of plug.

A frustum-shaped inner hole is formed in the inner shell 5, the taper of the inner hole is the same as that of the upper cone rubber sleeve 7, the upper cone rubber sleeve 7 is fixed in the frustum-shaped inner hole, a plurality of uniformly distributed stepped holes 5a are formed in the upper end face of the inner shell 5, and the threaded holes 1b are concentric with the stepped holes 5 a; go up awl rubber sleeve 7 and fix in frustum shape downthehole by the extrusion of the tight boss 1c in top, enable the horizontal deformation of awl rubber sleeve 7 through the tight boss 1c in top in axial extrusion, it is inseparabler with the cable laminating, sealed effectual.

The upper end face of the outer shell 9 is provided with a clamping boss 9a, the clamping boss 9a is provided with a groove 9c, the two buckles 10 are matched and clamped on the groove 9c, the lower end part of the outer shell 9 is a threaded end 9b, and the male head shell 1 and the threaded end 9b are connected through threads; the two buckles 10 are matched and clamped on the groove 9c and clamp the sealing rubber sleeve 11, so that the sealing rubber sleeve 11 clamps the cable, a sealing effect is achieved, and the situation that dust or oil stains and other impurities enter the joint to influence the connection performance is prevented.

The structure of the outward end of the female shell 13 is the same as that of the outward end of the male shell 1, the outward end of the female shell 13 is also frustum-shaped, the female core 16 is located in the frustum-shaped female shell, a sealing groove 13b is formed in the outer side of the frustum-shaped female shell, the third sealing ring 15 is located in the sealing groove 13b, and a female mounting plate 13a is arranged on the outer side of the inward end of the female shell 13.

The male head mounting plate 1a and the female head mounting plate 13a are connected through bolts, the connecting sealing gasket 14 is positioned between the male head mounting plate 1a and the female head mounting plate 13a, and the inward end of the male head shell 1 can be clamped in the sealing groove 13 b; through bolted connection between public first mounting panel 1a and the female mounting panel 13a, closely laminate with the joint gasket 14, through the inside one end block of public first shell 1 in seal groove 13b, form cascaded seal structure, it is sealed effectual, third sealing washer 15 is located seal groove 13b, with the double-seal of joint gasket 14, sealing performance is better.

A female head groove 17a is formed in the end portion of the male head core 17, a plurality of uniformly distributed springs 18 are located on the outer ring of the female head groove 17a, and the female head core 16 can be clamped in the female head groove 17 a; through female first core 16 block in female first groove 17a, connect firm, difficult not hard up, and can play the protection usefulness, a plurality of equipartition springs 18 are located the outer lane of female first groove 17a, can provide pressure, make female first core 16 and public first core 17 closely laminate with female first shell 13 and public first shell 1 respectively, improve sealing performance.

The working principle of the invention is as follows:

an operator firstly sleeves two cables to be connected in sequence respectively, the sealing rubber sleeve 11, the outer shell 9, the first sealing ring 8, the inner shell 5, the upper cone rubber sleeve 7, the second sealing ring 6, the male head shell 1 and the female head shell 13, the top rubber sleeve 2, the lower cone rubber sleeve 3 and the bottom rubber sleeve 4, then the two cables are welded on the male head core 17 and the female head core 16 respectively, after welding is completed, the male head core 17 and the female head core 16 are matched and inserted with each other, the parts are fixed in sequence, then the third sealing ring 15 and the connecting sealing gasket 14 are additionally arranged, and then the male head mounting plate 1a and the female head mounting plate 13a are connected through bolts. Through bolted connection between public first mounting panel 1a and the female mounting panel 13a, closely laminate with the joint gasket 14, through the inside one end block of public first shell 1 in seal groove 13b, form cascaded seal structure, the effect is superior to ordinary single sealed form, and is sealed effectual, and third sealing washer 15 is located seal groove 13b, with joint gasket 14 dual seal, sealing performance is better. The female head core 16 is clamped in the female head groove 17a, the connection is stable and not easy to loosen, and the protection device can be used for protection, the uniformly distributed springs 18 are positioned on the outer ring of the female head groove 17a and can provide pressure, so that the female head core 16 and the male head core 17 are respectively tightly attached to the female head shell 13 and the male head shell 1, the sealing performance is improved, the male head shell 1 and the female head shell 13 are in threaded connection with the outer shell 9 and the inner shell 5, the connection is reliable, dust, oil stain and other impurities are not easy to enter, the joint sealing performance is improved, multiple obstacles are arranged for dust, oil stain and other impurities to enter the plug through the multistage sealing design of the first sealing ring 8 and the second sealing ring 6, the jacking boss 1c is adopted, the contact area between a cable joint and the outside can be reduced, the possibility that dust, oil stain and other impurities enter the plug is reduced, the upper cone rubber sleeve 7 is fixed in a cone-shaped hole by being squeezed by the jacking boss, make the 7 horizontal deformations of upper cone rubber sleeve through the tight boss 1c in top in axial extrusion, it is inseparabler with the cable laminating, it is sealed effectual, top rubber sleeve 2, adopt the tight fit mode to be connected between lower cone rubber sleeve 3 and bottom rubber sleeve 4 and the cable, two buckles 10 cooperate the block on recess 9c and press from both sides tight rubber sleeve 11, make tight rubber sleeve 11 press from both sides tight cable, it forms the external seal to be compressed tightly at the cable surface through sealed rubber sleeve 11, play sealed effect, prevent that there is debris such as dust or greasy dirt to get into in joint department, influence connection performance.

In conclusion, the male head mounting plate 1a and the female head mounting plate 13a are connected through bolts, tightly attached to the connecting sealing gasket 14, and clamped in the sealing groove 13b through the inward end of the male head shell 1 to form a stepped sealing structure, so that the effect is superior to that of a common single sealing form, and the sealing effect is good; the female head core 16 is clamped in the female head groove 17a, so that the connection is stable, the looseness is not prone to occurring, and the protection function can be achieved, the plurality of uniformly distributed springs 18 are located on the outer ring of the female head groove 17a and can provide pressure, the female head core 16 and the male head core 17 are tightly attached to the female head shell 13 and the male head shell 1 respectively, and the sealing performance is improved; the male head shell 1 and the female head shell 13 are in threaded connection with the outer shell 9 and the inner shell 5, so that the connection is reliable, dust, oil dirt and other impurities are not easy to enter, and the sealing property of the joint is improved; through the multi-stage sealing design of the first sealing ring 8 and the second sealing ring 6, multiple obstacles for dust, oil stain and other sundries to enter the plug are arranged, and the jacking boss 1c is adopted, so that the contact area of a cable joint and the outside can be reduced, and the possibility of the dust, oil stain and other sundries entering the plug is reduced; the upper cone rubber sleeve 7 is extruded and fixed in the frustum-shaped inner hole by the jacking boss 1c, and the upper cone rubber sleeve 7 can be transversely deformed by the axial extrusion of the jacking boss 1c, so that the upper cone rubber sleeve is more tightly attached to a cable and has a good sealing effect; two buckles 10 cooperate the block on recess 9c and press from both sides tight gum cover 11, make tight gum cover 11 press from both sides tight cable, are compressed tightly at the cable surface through tight gum cover 11 and form external seal, play sealed effect, prevent that there is debris such as dust or greasy dirt to get into in joint department, influence connection performance.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (1)

1. The aviation cable joint with sealing performance comprises a male head shell (1) and a female head shell (13), and is characterized in that the female head shell (13) is fixed on the male head shell (1), a connecting sealing gasket (14) and a third sealing ring (15) are fixed between the male head shell (1) and the female head shell (13), a top rubber sleeve (2), a middle rubber sleeve (3) and a bottom rubber sleeve (4) are fixed inside the male head shell (1) and the female head shell (13), an inner shell (9) and an outer shell (5) are fixed outside the male head shell (1) and the female head shell (13), a second sealing ring (6) is fixed between the male head shell (1) and the outer shell (9), a second sealing ring (6) is also fixed between the female head shell (13) and the outer shell (9), a first sealing ring (8) is fixed between the outer shell (9) and the inner shell (5), an upper cone rubber sleeve (7) and a rubber plug (12) are fixed inside the inner shell (5), a buckle (10) and a sealing rubber sleeve (11) are fixed on the shell (9), a male head core (17) is fixed in the male head shell (1), a female head core (16) is fixed in the female head shell (13), and a spring (18) is fixed on the male head core (17); a jacking boss (1c) is arranged at one outward end of the male head shell (1), the inner shell (5) is fixed on the jacking boss (1c), threads are arranged at the end parts of the male head shell (1) and the jacking boss (1c), a plurality of uniformly distributed threaded holes (1b) are formed in the upper end surface of the male head shell (1), one inward end of the male head shell (1) is in a frustum shape, a male head core (17) is positioned in the male head shell, and a male head mounting plate (1a) is arranged on the outer side of one inward end of the male head shell (1); a frustum-shaped inner hole is formed in the inner shell (5), the taper of the inner shell is the same as that of the upper cone rubber sleeve (7), the upper cone rubber sleeve (7) is fixed in the frustum-shaped inner hole, a plurality of uniformly distributed stepped holes (5a) are formed in the upper end face of the inner shell (5), and the threaded holes (1b) and the stepped holes (5a) are concentric; the upper end surface of the shell (9) is provided with a tightening boss (9a), the tightening boss (9a) is provided with a groove (9c), the two buckles (10) are matched and clamped on the groove (9c), the lower end part of the shell (9) is a threaded end (9b), and the male head shell (1) is in threaded connection with the threaded end (9 b); the structure of the outward end of the female head shell (13) is the same as that of the outward end of the male head shell (1), the inward end of the female head shell (13) is also in a frustum shape, the female head core (16) is positioned in the frustum shape, a sealing groove (13b) is formed in the outer side of the frustum shape, a third sealing ring (15) is positioned in the sealing groove (13b), and a female head mounting plate (13a) is arranged on the outer side of the inward end of the female head shell (13); the male head mounting plate (1a) is connected with the female head mounting plate (13a) through bolts, the connecting sealing gasket (14) is positioned between the male head mounting plate (1a) and the female head mounting plate (13a), and the inward end of the male head shell (1) can be clamped in the sealing groove (13 b); female head groove (17a) have been seted up to the tip of public head core (17), and a plurality of equipartition springs (18) are located the outer lane of female head groove (17a), and female head core (16) can block in female head groove (17 a).

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