CN104577936B - Pressure-tight wire connection device - Google Patents
Pressure-tight wire connection device Download PDFInfo
- Publication number
- CN104577936B CN104577936B CN201410840039.4A CN201410840039A CN104577936B CN 104577936 B CN104577936 B CN 104577936B CN 201410840039 A CN201410840039 A CN 201410840039A CN 104577936 B CN104577936 B CN 104577936B
- Authority
- CN
- China
- Prior art keywords
- joint
- hole
- pressure
- connection device
- wire connection
- 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.)
- Expired - Fee Related
Links
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
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 some special equipment, in order to extend the service life of components and parts and reduce components and parts to other ancillary equipment
Electromagnetic interference, generally require these components and parts to be arranged in an airtight canister, and in described container inject
There are the noble gases of certain pressure, so that the oxygen in described components and parts and air, aqueous vapor is completely cut off, anti-oxidation, anti-to reach
The purpose of tide, extends the service life of components and parts.Simultaneously as being mounted in airtight canister, during components and parts work
The electromagnetic wave producing is difficult to leak, and reduces its electromagnetic interference to other equipment；Therefore, how to realize to be arranged on airtight,
Power supply equipped with the electrical equipment in the tank body of pressurized inert gas or communication are everybody concerns.
Patent publication No. is CN1380729A, invention entitled《Cable cable black box》Application for a patent for invention disclose
A kind of include single standard seal nipple cable seal assembly, wire directly through cable seal assembly, using interior sealing lip
Lock ring is sealed in wire outer round surface；Its weak point is, due to cable outer layer（Insulating barrier or screen layer）Softer, and be
One irregular circle, 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, and each part is plastics or rubber parts, need to use Mold Making, for single-piece or small lot life
Produce, high cost.
Content of the invention
It is an object of the invention to provide a kind of for realizing to being arranged on the airtight, tank body equipped with pressurized inert gas
The power supply of interior electrical equipment or communication《The wire connection device of pressure-resistant seal》, this device under certain gas pressure,
Sealed reliable；Meanwhile, there is structure simple, make easily, low cost, the features such as easy for installation, to solve existing cable seal
The problem that component technology exists.
For solving above-mentioned technical problem, invention employed technical scheme comprise that：A kind of wire connection device of pressure-resistant seal, bag
Include separated time gripper shoe, joint, sealing ring, filling sealing material and be used for connecting the wire in tank, outside tank；
Described joints are waney cylinder, have through hole, through hole two ends have step respectively in it；
The n aperture for rethreading line is provided with described separated time gripper shoe；
Under assembled state, two separated time gripper shoes are respectively placed on the step at tab through-hole two ends；M root wire passes through in joint
Hole and the corresponding n aperture of separated time gripper shoe；In tab through-hole full of filling sealing material, by separated time gripper shoe, joint and wire
Bonding becomes an entirety；Sealing ring is located at the cable inlet of joint and sealed shell of tank；The span of m, n is：M≤n, 1≤
Arbitrary integer between n≤20.
Its further technical scheme is：It is method that described joint carries externally threaded nipple or its big end for small end external diameter
The bump joint of blue disk.
Described coupler bore adds taper hole combining form for straight hole, and the big end of taper hole is towards pressed gas direction.
It is 3mm-10mm that described wire exposes separated time gripper shoe two ends end face length.
Described sealing ring is O-ring seal, copper backing or compound gasket.
Its further technical scheme is：Described separated time gripper shoe is adopted and is made from an insulative material；Described filling sealing material be
Epoxy resin or silicone rubber.
The profile of described joint is：Small end cross section is circle, and big end cross section is circular, square, hexagon or many
The cylinder of side shape, described joint is made using steel or alloy material.
Due to taking above technical scheme, a kind of wire connection device of pressure-resistant seal of the present invention have the characteristics that and
Beneficial effect：
1st, pressure, good seal performance：
A kind of joint 2 of the wire connection device of pressure-resistant seal of the present invention is made using steel or alloy, good pressure-resistant performance；
And using the good filling sealing material of adhesive property, separated time gripper shoe, joint and wire bonding are become an entirety；Filling sealing
Between material and wire, fill very close to each other between sealing material and joint, closely knit, the sealed reliable of filling；
Secondly, coupler bore is fabricated to straight hole and adds taper hole form, and the big end of taper hole, towards pressed gas direction, makes filling seal
Material under gas pressure, has more preferable bond stress；Using filling sealing material, external seal utilizes sealing ring close for coupler bore sealing
Envelope, sealing effectiveness is more preferable；
3rd, there is separated time supporting plate structure at a kind of wire connection device joint two ends of pressure-resistant seal of the present invention, can protect
Card wire does not play strand short circuit in coupler bore, also can ensure that the position of wire corresponds, the deformation of cable, curved scratching will not be to close
Envelope effect produces impact.
2nd, 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；Its
Secondary for the wire connecting in tank, outside tank expose separated time gripper shoe two ends end face about 3mm-10mm about it is easy to tank in, outside tank
Wire is welded to connect.
3rd, a kind of wire connection device structure of pressure-resistant seal of the present invention is simple, is suitable for batch and single-piece production, cost
Low.
Below, in conjunction with the accompanying drawings and embodiments a kind of technical characteristic of the wire connection device of pressure-resistant seal of the present invention is made
Further instruction.
Brief description
Fig. 1-1～Fig. 1-2 is the wire connection device structural representation of the pressure-resistant seal of the present invention using screw thread installation form
Figure：
Fig. 1-1：Front view；
Fig. 1-2：The left view of Fig. 1-1；
Fig. 2-1～Fig. 2-2 is the wire connection device structural representation of the pressure-resistant seal of the present invention using flange installation form
Figure：
Fig. 2-1：Front view；
Fig. 2-2：Left view；
Fig. 3 is a kind of use state schematic diagram of the wire connection device of pressure-resistant seal of the present invention.
In figure：
1- separated time gripper shoe, the aperture in 11- separated time gripper shoe；
2- joint, the screw connected joint of 2a-, 2b- flange join type joint, 21- through hole, 211, in 212- through hole
Step, 22- external screw thread；
3- sealing ring, 4- filling sealing material, 5- wire, 6- sealed shell of tank, outside 6c- tank body, 6d- tank interior, HJD-
Pad.
Specific embodiment
Wire connection device using 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 includes separated time gripper shoe 1, joint 2, sealing
Enclose 3, filling sealing material 4 and for connecting the wire 5 in tank, outside tank；
Described joint 2 profile be greatly end cross section be hexagon, small end cross section be the circular waney cylinder constituting,
There is through hole 21, through hole two ends are respectively provided with step 211,212, the cylindrical outer rim of small end has screw thread 22 in it；
5 apertures 11 for rethreading line 5 are provided with described separated time gripper shoe 1；
Under assembled state, two separated time gripper shoes 1 are respectively placed on the step 211,212 at joint 2 through hole two ends；Five wires
5 pass through coupler bore and corresponding five apertures 11 of separated time gripper shoe 1；In tab through-hole 21 full of filling sealing material 4, by separated time
Gripper shoe, joint become an entirety with wire bonding；Sealing ring 3 is located at the cable inlet of joint and sealed shell of tank 6.
Described coupler bore adds taper hole combining form for straight hole, and the big end of taper hole is towards pressed gas direction；Make filling close
Envelope material 4 under gas pressure, has more preferable bond stress, sealing effectiveness is more preferable.
Under assembled state, first 1 piece of separated time gripper shoe 1 is installed on the step 211 of joint 2 endoporus one end, then leading
Line 5 passes through each aperture in joint 2 endoporus and separated time gripper shoe 1, then injects filling sealing material 4 to joint 2 endoporus 21, then another
One piece of separated time gripper shoe 1 is installed on the step 212 of the joint 2 endoporus other end, and allows wire 5 pass through this separated time gripper shoe 1 right
The aperture answered；It is 3mm-10mm that described wire 5 exposes separated time gripper shoe 1 two ends end face length；Sealing material 4 to be filled dries completely
Afterwards, separated time gripper shoe 1, joint 2 and wire 5 are reliably bonded together, form a kind of wire connection device of pressure-resistant seal.
During use, by the cable of the electrical equipment being arranged in tank body and the wire connection device of pressure-resistant seal of the present invention
One end wire is welded to connect, and then the wire connection device of pressure-resistant seal of the present invention is passed through joint screw thread type of attachment and installs admittedly
It is scheduled on the cable inlet of sealed shell of tank, the wire connection device of pressure-resistant seal adopts sealing with the cable inlet of sealed shell of tank
Circle 3 sealing, described sealing ring 3 includes O-ring seal, compound gasket, copper backing etc.；Finally, cable and the basis of external equipment
The wire other end of the wire connection device of invention pressure-resistant seal is welded to connect（Referring to Fig. 3）；So so that it may realize to being arranged on
Electrical equipment in sealed shell of tank is powered or communicates.
As one kind conversion of the embodiment of the present invention, described joint can also be and holds greatly is square cylinder and small end is circle
Waney cylinder of cylinder composition, big end has circular hole（Referring to Fig. 2-1～Fig. 2-2）, during use, tank body will be arranged on
The cable of interior electrical equipment is welded to connect with one end wire of the wire connection device of pressure-resistant seal of the present invention, then this
The wire connection device of bright pressure-resistant seal is fixed on the cable inlet of sealed shell of tank by ring flange installation form.
As one kind conversion of the embodiment of the present invention, the aperture 11 for rethreading line 5 of setting in described separated time gripper shoe 1
Number n can also increase or decrease, meanwhile, the radical m for connecting the wire 5 in tank, outside tank can also increase or decrease,
The span of general m, n is：M≤n, n are to be less than arbitrary integer between 20 more than or equal to 1.
In various embodiments of the present invention, described separated time gripper shoe is adopted and is made from an insulative material；Described filling sealing material is epoxy
Resin or silicone rubber, described joint is made using steel or alloy material.
The profile of described joint can also be：Small end cross section is circle, and big end cross section is hexagon or other are any
The cylinder that polygon combination is constituted.
Claims (5)
1. a kind of wire connection device of pressure-resistant seal, the wire connection device of this sealing includes separated time gripper shoe（1）, joint
（2）, sealing ring（3）, filling sealing material（4）With for connecting the wire in tank, outside tank（5）；
Described joint（2）Profile is waney cylinder, has through hole in it（21）, through hole two ends have step respectively（211、212）；
Described separated time gripper shoe（1）On be provided with for rethreading line（5）N aperture（11）；
Under assembled state, two separated time gripper shoes（1）It is respectively placed in joint（2）The step at through hole two ends（211、212）On；M root is led
Line（5）Through coupler bore and separated time gripper shoe（1）Corresponding n aperture（11）；Tab through-hole（21）Interior full of filling sealing
Material（4）, separated time gripper shoe, joint and wire bonding are become an entirety；Sealing ring（3）Positioned at joint and sealed shell of tank（6）'s
Cable inlet；The span of m, n is：M≤n, arbitrary integer between 1≤n≤20；
It is characterized in that：Described coupler bore adds taper hole combining form for straight hole, and the big end of taper hole is towards pressed gas direction.
2. a kind of pressure-resistant seal according to claim 1 wire connection device it is characterised in that：Described wire（5）Dew
Go out separated time gripper shoe（1）Two ends end face length is 3mm-10mm.
3. a kind of pressure-resistant seal according to claim 1-2 any claim wire connection device it is characterised in that：
Described sealing ring（3）For O-ring seal, copper backing or compound gasket.
4. a kind of pressure-resistant seal according to claim 1-2 any claim wire connection device it is characterised in that：
Described separated time gripper shoe（1）Adopt and be made from an insulative material；Described filling sealing material（4）For epoxy resin or silicone rubber.
5. a kind of pressure-resistant seal according to claim 1-2 any claim wire connection device it is characterised in that：
Described joint（2）Profile be：Small end cross section is circle, and big end cross section is circular, square, hexagon or polygonal
Cylinder, described joint（2）Made using steel or alloy material.
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 CN104577936A (en) | 2015-04-29 |
| CN104577936B true 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) |
Families Citing this family (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 |
Citations (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 |
| US5625167A (en) * | 1992-02-25 | 1997-04-29 | N.V. Raychem S.A. | Cable seal |
| CN1972049A (en) * | 2006-12-05 | 2007-05-30 | 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
Patent Citations (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 |
| US5625167A (en) * | 1992-02-25 | 1997-04-29 | N.V. Raychem S.A. | Cable seal |
| CN1972049A (en) * | 2006-12-05 | 2007-05-30 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104577936A (en) | 2015-04-29 |
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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 |