CN104577936A - Pressure-tight wire connection device - Google Patents
Pressure-tight wire connection device Download PDFInfo
- Publication number
- CN104577936A CN104577936A CN201410840039.4A CN201410840039A CN104577936A CN 104577936 A CN104577936 A CN 104577936A CN 201410840039 A CN201410840039 A CN 201410840039A CN 104577936 A CN104577936 A CN 104577936A
- Authority
- CN
- China
- Prior art keywords
- joint
- pressure
- connection device
- hole
- wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- 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
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/085—Cable junctions for coaxial cables or hollow conductors
-
- 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
- H02G15/00—Cable fittings
- H02G15/013—Sealing means for cable inlets
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Cable Accessories (AREA)
Abstract
The invention discloses a pressure-tight wire connection device which comprises sub-wire support plates, a joint, a seal ring, a filling and sealing material and wires for communicating the inner part and the outer part of a tank, wherein the joint is an unequal-diameter cylinder in the outline, which has a through hole formed by combining a straight hole with a taper hole; a large end of the taper hole faces the pressure gas direction; both ends of the through hole are respectively provided with steps; the joint is a screwed joint which has external threads on the outer diameter of the small end, or a flange joint, the large end of which is a flange plate; n small holes for threading the wires are formed in the sub-wire support plates; in assembly state, two sub-wire support plates are respectively placed on the steps at both ends of the through hole in the joint; m wires penetrate through the hole in the joint and n small holes corresponding to the sub-wire support plates; the through hole in the joint is filled with the filling and sealing material to bond the sub-wire support plates, the joint and the wires into a whole; the seal ring is located at cable entrances of the joint and a sealed tank; and n is not less than m, and n is not less than 1 and not greater than 20. The pressure-tight wire connection device is reliable in sealing under a certain gas pressure, simple in structure, and convenient to install.
Description
Technical field
The present invention relates to a kind of wire connection device, particularly a kind of wire connection device of pressure-resistant seal.
Background technology
In the equipment that some are special, in order to extend the useful life of components and parts and reduce components and parts to the electromagnetic interference of other ancillary equipment, these components and parts are often needed to be arranged in an airtight canister, and in described container, inject the inert gas with certain pressure, make the oxygen in described components and parts and air, aqueous vapor isolated, to reach anti-oxidation, moistureproof object, extend the useful life of components and parts.Meanwhile, owing to being mounted in airtight canister, the electromagnetic wave produced during components and parts work not easily leaks, and reduces its electromagnetic interference to other equipment; Therefore, how realizing the power supply of the electric component be arranged in airtight, that pressurized inert gas is housed tank body or communication is the problem that everybody is concerned about.
The application for a patent for invention that patent publication No. is CN1380729A, denomination of invention is " cable cable black box " discloses a kind of cable seal assembly comprising single standard seal nipple, wire is directly through cable seal assembly, and in utilizing, sealing lip lock ring seals at wire outer round surface; Its weak point is, because cable outer layer (insulating barrier or screen) is softer, and is an irregular circle, and sealing lip is difficult to carry out circle sealing to the extexine of cable, and sealing effectiveness is not satisfactory; Further, cable seal modular construction is complicated, each part is plastics or rubber parts, need use Mold Making, for single-piece or small lot batch manufacture, and high cost.
Summary of the invention
The object of the present invention is to provide a kind of " wire connection device of pressure-resistant seal " for realizing power supply to the electric component be arranged in airtight, that pressurized inert gas is housed tank body or communication, this device is under certain gas pressure, and sealing is reliable; Meanwhile, have structure simple, make easily, the features such as cost is low, easy for installation, to solve existing cable seal component technology Problems existing.
For solving the problems of the technologies described above, the technical scheme that invention adopts is: a kind of wire connection device of pressure-resistant seal, comprises separated time supporting bracket, joint, sealing ring, be filled with a sealing material and the wire for being communicated with in tank, outside tank;
Described joints is waney cylinder, has through hole in it, and there is step at through hole two ends respectively;
Described separated time supporting bracket is provided with n the aperture for wearing wire;
Under assembled state, two separated time supporting brackets are placed on the step at tab through-hole two ends respectively; M root wire is through coupler bore and n aperture corresponding to separated time supporting bracket; Be full of in tab through-hole the material that is filled with a sealing, by bonding to separated time supporting bracket, joint and wire become an entirety; Sealing ring is positioned at the cable inlet of joint and sealed shell of tank; The span of m, n is: m≤n, arbitrary integer between 1≤n≤20.
Its further technical scheme is: described joint is small end external diameter is the bump joint of ring flange with externally threaded nipple or its large end.
Described coupler bore is that straight hole adds taper hole combining form, and the large end of taper hole is towards pressed gas direction.
It is 3mm-10mm that described wire exposes separated time supporting bracket two ends end face length.
Described sealing ring is O RunddichtringO, copper backing or compound gasket.
Its further technical scheme be: described separated time supporting bracket adopts insulating material to make; The described material that is filled with a sealing is epoxy resin or silicon rubber.
The profile of described joint is: small end cross section is for circular, and large end cross section is for being circular, square, hexagon or polygonal cylinder, and described joint employing steel or alloy material are made.
Owing to taking above technical scheme, the wire connection device of a kind of pressure-resistant seal of the present invention has following characteristics and beneficial effect:
1, withstand voltage, good seal performance:
The joint 2 of the wire connection device of a kind of pressure-resistant seal of the present invention adopts steel or alloy to make, good pressure-resistant performance; And the material that is filled with a sealing adopting adhesive property good, by bonding to separated time supporting bracket, joint and wire become an entirety; Be filled with a sealing between material with wire, be filled with a sealing that it is very close to each other expect between joint, fill closely knit, sealing reliably;
Secondly, coupler bore is made into straight hole and adds taper hole form, and the large end of taper hole, towards pressed gas direction, makes to be filled with a sealing material under gas pressure, has better bond stress; Coupler bore sealing utilization is filled with a sealing material, and external seal utilizes sealing ring to seal, and sealing effectiveness is better;
3rd, there is separated time supporting plate structure at the wire connection device joint two ends of a kind of pressure-resistant seal of the present invention, can ensure that wire does not play strand short circuit at coupler bore, also can ensure the position one_to_one corresponding of wire, distortion, curved the scratching of cable can not have an impact to sealing effectiveness.
2, easy for installation, quick:
The joint of the wire connection device of pressure-resistant seal of the present invention adopts screw thread or flange method to install, convenient and swift; Secondly expose separated time supporting bracket two ends end face for the wire be communicated with in tank, outside tank and be about about 3mm-10mm, be easy to in tank, tank outer conductor is welded to connect.
3, the wire connection device structure of a kind of pressure-resistant seal of the present invention is simple, and be applicable to batch and single-piece production, cost is low.
Below, in conjunction with the accompanying drawings and embodiments the technical characteristic of the wire connection device of a kind of pressure-resistant seal of the present invention is further described.
Accompanying drawing explanation
Fig. 1-1 ~ Fig. 1-2 is the wire connection device structural representation of the pressure-resistant seal of the present invention adopting screw thread installation form:
Fig. 1-1: front view;
The left view of Fig. 1-2: Fig. 1-1;
Fig. 2-1 ~ Fig. 2-2 is the wire connection device structural representations of the pressure-resistant seal of the present invention adopting flange installation form:
Fig. 2-1: front view;
Fig. 2-2: left view;
Fig. 3 is the using state schematic diagram of the wire connection device of a kind of pressure-resistant seal of the present invention.
In figure:
1-separated time supporting bracket, the aperture in 11-separated time supporting bracket;
2-joint, the screw connected joint of 2a-, 2b-flange join type joint, 21-through hole, 211, step in 212-through hole, 22-external screw thread;
3-sealing ring, 4-is filled with a sealing material, 5-wire, 6-sealed shell of tank, and 6c-tank body is outside, 6d-tank interior, HJD-pad.
Embodiment
Adopt the wire connection device of the pressure-resistant seal of the present invention of screw thread installation form:
As shown in Fig. 1-1 ~ Fig. 1-2, the wire connection device of this pressure-resistant seal comprises separated time supporting bracket 1, joint 2, sealing ring 3, be filled with a sealing material 4 and the wire 5 for being communicated with in tank, outside tank;
Described joint 2 profile is hold greatly waney cylinder that cross section is hexagon, small end cross section is circular formation, and have through hole 21 in it, through hole two ends are respectively with step 211,212, and the cylindrical outer rim of small end has screw thread 22;
Described separated time supporting bracket 1 is provided with 5 apertures 11 for wearing wire 5;
Under assembled state, two separated time supporting brackets 1 are placed on the step 211,212 at joint 2 through hole two ends respectively; Five wires 5 pass five apertures 11 of coupler bore and separated time supporting bracket 1 correspondence; Be full of in tab through-hole 21 material 4 that is filled with a sealing, by bonding to separated time supporting bracket, joint and wire become an entirety; Sealing ring 3 is positioned at the cable inlet of joint and sealed shell of tank 6.
Described coupler bore is that straight hole adds taper hole combining form, and the large end of taper hole is towards pressed gas direction; Make to be filled with a sealing material 4 under gas pressure, have better bond stress, sealing effectiveness is better.
Under assembled state, first 1 piece of separated time supporting bracket 1 is installed on the step 211 of joint 2 endoporus one end, again wire 5 is passed each aperture in joint 2 endoporus and separated time supporting bracket 1, then inject to joint 2 endoporus 21 material 4 that is filled with a sealing, again another block separated time supporting bracket 1 is installed on the step 212 of the joint 2 endoporus other end, and allows wire 5 through the aperture of this separated time supporting bracket 1 correspondence; It is 3mm-10mm that described wire 5 exposes separated time supporting bracket 1 two ends end face length; After sealing material 4 to be filled dries completely, separated time supporting bracket 1, joint 2 and wire 5 are bonded together reliably, form a kind of wire connection device of pressure-resistant seal.
During use, the cable of the electric component be arranged in tank body is connected with one end wire bonds of the wire connection device of pressure-resistant seal of the present invention, then the wire connection device of pressure-resistant seal of the present invention is fixed on the cable inlet of sealed shell of tank by joint screw thread type of attachment, the wire connection device of pressure-resistant seal and the cable inlet of sealed shell of tank adopt sealing ring 3 to seal, and described sealing ring 3 comprises O RunddichtringO, compound gasket, copper backing etc.; Finally, the wire other end of the wire connection device of the cable of external equipment and pressure-resistant seal of the present invention is welded to connect (see Fig. 3); Like this, just can realize powering or communication to the electric component be arranged in sealed shell of tank.
One as the embodiment of the present invention converts, described joint can also be that end is square cylinder and small end is greatly waney cylinder that cylinder forms, large end has circular hole (see Fig. 2-1 ~ Fig. 2-2), during use, the cable of the electric component be arranged in tank body is connected with one end wire bonds of the wire connection device of pressure-resistant seal of the present invention, then the wire connection device of pressure-resistant seal of the present invention is fixed on the cable inlet of sealed shell of tank by ring flange installation form.
One as the embodiment of the present invention converts, the number n for the aperture 11 wearing wire 5 that described separated time supporting bracket 1 is arranged can also increase or reduce, simultaneously, radical m for being communicated with the wire 5 in tank, outside tank also can increase or reduce, the span of general m, n is: m≤n, n for be more than or equal to 1 be less than 20 between arbitrary integer.
In various embodiments of the present invention, described separated time supporting bracket adopts insulating material to make; The described material that is filled with a sealing is epoxy resin or silicon rubber, and described joint adopts steel or alloy material to make.
The profile of described joint can also be: small end cross section is for circular, and large end cross section is the cylinder that hexagon or the combination of other arbitrary polygons are formed.
Claims (7)
1. a wire connection device for pressure-resistant seal, is characterized in that: the wire connection device of sealing comprises separated time supporting bracket (1), joint (2), sealing ring (3), be filled with a sealing material (4) and the wire (5) for being communicated with in tank, outside tank;
Described joint (2) profile is waney cylinder, has through hole (21) in it, and through hole two ends have step (211,212) respectively;
Described separated time supporting bracket (1) is provided with n the aperture (11) for wearing wire (5);
Under assembled state, two separated time supporting brackets (1) are placed on the step (211,212) at joint (2) through hole two ends respectively; M root wire (5) is through n aperture (11) corresponding to coupler bore and separated time supporting bracket (1); Be full of in tab through-hole (21) material (4) that is filled with a sealing, by bonding to separated time supporting bracket, joint and wire become an entirety; Sealing ring (3) is positioned at the cable inlet of joint and sealed shell of tank (6); The span of m, n is: m≤n, arbitrary integer between 1≤n≤20.
2. the wire connection device of a kind of pressure-resistant seal according to claim 1, is characterized in that: described joint (2) for small end external diameter be the bump joint (2b) of ring flange with externally threaded nipple (2a) or its large end.
3. the wire connection device of a kind of pressure-resistant seal according to claim 1, is characterized in that: described coupler bore is that straight hole adds taper hole combining form, and the large end of taper hole is towards pressed gas direction.
4. the wire connection device of a kind of pressure-resistant seal according to claim 1, is characterized in that: it is 3mm-10mm that described wire (5) exposes separated time supporting bracket (1) two ends end face length.
5. the wire connection device of a kind of pressure-resistant seal according to the arbitrary claim of claim 1-4, is characterized in that: described sealing ring (3) is O RunddichtringO, copper backing or compound gasket.
6. the wire connection device of a kind of pressure-resistant seal according to the arbitrary claim of claim 1-4, is characterized in that: described separated time supporting bracket (1) adopts insulating material to make; The described material (4) that is filled with a sealing is for epoxy resin or silicon rubber.
7. the wire connection device of a kind of pressure-resistant seal according to the arbitrary claim of claim 1-4, it is characterized in that: the profile of described joint (2) is: small end cross section is for circular, large end cross section is for being circular, square, hexagon or polygonal cylinder, and described joint (2) employing steel or alloy material are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410840039.4A CN104577936B (en) | 2014-12-30 | 2014-12-30 | Pressure-tight wire connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410840039.4A CN104577936B (en) | 2014-12-30 | 2014-12-30 | Pressure-tight wire connection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104577936A true CN104577936A (en) | 2015-04-29 |
| CN104577936B CN104577936B (en) | 2017-02-22 |
Family
ID=53093415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410840039.4A Expired - Fee Related CN104577936B (en) | 2014-12-30 | 2014-12-30 | Pressure-tight wire connection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104577936B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706880A (en) * | 2017-11-24 | 2018-02-16 | 湖州三井低温设备有限公司 | A kind of cryocable outlet joint |
| CN110224358A (en) * | 2019-07-01 | 2019-09-10 | 上海外高桥造船有限公司 | The Wiring method of cable in a kind of fireproof door frame |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2082040U (en) * | 1990-08-28 | 1991-07-31 | 枣庄市市中区税郭农机厂 | Explosion-proof joint of electric cable with rubber protective layer |
| GB9203943D0 (en) * | 1992-02-25 | 1992-04-08 | Raychem Sa Nv | Cable seal |
| CN100511901C (en) * | 2006-12-05 | 2009-07-08 | 中国科学院力学研究所 | A marine cable joint sealing apparatus |
| CN203589674U (en) * | 2013-09-30 | 2014-05-07 | 山东康威通信技术股份有限公司 | Cable joint with IP68 protection level |
| CN203813391U (en) * | 2014-04-22 | 2014-09-03 | 鼎阳电力科技服务有限公司 | Power cable sealing and protecting sleeve |
| CN204376361U (en) * | 2014-12-30 | 2015-06-03 | 柳州欧维姆机械股份有限公司 | A kind of wire connection device of pressure-resistant seal |
-
2014
- 2014-12-30 CN CN201410840039.4A patent/CN104577936B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706880A (en) * | 2017-11-24 | 2018-02-16 | 湖州三井低温设备有限公司 | A kind of cryocable outlet joint |
| CN110224358A (en) * | 2019-07-01 | 2019-09-10 | 上海外高桥造船有限公司 | The Wiring method of cable in a kind of fireproof door frame |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104577936B (en) | 2017-02-22 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20201230 |