CN105720511A - Sealing element and wiring seat employing same - Google Patents
Sealing element and wiring seat employing same Download PDFInfo
- Publication number
- CN105720511A CN105720511A CN201610197785.5A CN201610197785A CN105720511A CN 105720511 A CN105720511 A CN 105720511A CN 201610197785 A CN201610197785 A CN 201610197785A CN 105720511 A CN105720511 A CN 105720511A
- Authority
- CN
- China
- Prior art keywords
- junction block
- wires hole
- seal
- switchgear
- conductor
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/045—Details of casing, e.g. gas tightness
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/0358—Connections to in or out conductors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulating Bodies (AREA)
Abstract
The invention relates to the field of an electrical appliance switching device, in particular to a sealing element and a wiring seat employing the same. The sealing element comprises a sealing element body, wherein the sealing element body is arranged at a part where the wiring seat and the switching device are connected and is made of an elastic material, threading holes are formed on the sealing element body, extend along a horizontal direction, and are used for being in one-to-one correspondence to connection conductors and being in hermetically interference matching with the connection conductors, outgoing holes are arranged at the front ends of the threading holes, and incoming holes are arranged at the rear ends of the threading holes. When the sealing element is used, air leakage caused by untight contact between the wiring seat and the connection conductors can be prevented by closely matching the connection conductors and the threading holes, the air tightness of the part where the wiring seat and the switching device are connected is improved, and the problem of poor air tightness between an existing wiring board and the switching device during the usage of the wiring board is solved.
Description
Technical field
The present invention relates to electrical switchgear field, particularly to a kind of sealing member and the junction block using this sealing member.
Background technology
Along with socioeconomic development, the increasing of engineering construction complexity, user's switching devices miniaturization, requirement non-maintaining, intelligentized are more and more higher.Under this background, cabinet type Cubicle Gas-Insulated Switchgear increasingly causes extensive concern.
Cabinet type Cubicle Gas-Insulated Switchgear is to adopt hypobaric SF6 gas, N2 or mixing gas as dielectric, it is arc-extinguishing medium with vacuum or SF6, being concentrated by the medium pressure elements such as bus, chopper, isolation switch is enclosed in casing, and the outlet of equipment cable is susceptible to insulating gas leakage, and these gases are suffocating substance a bit, also some gas is not only poisonous, but also is corrosive, so once there is gas leakage, will result in security incident.The sealing of the junction block switching devices on switchgear shell has material impact, current junction block is typically provided with other switching conductors such as the lead-in wire for connecting valve equipment inside and outside portion cable or contact, switchgear is provided with the junction block installing hole for installing junction block, only by arranging, at junction block installing hole end face, the poor air-tightness that sealing gasket realizes the junction of sealing, junction block and switchgear between usual junction block and switchgear.
Summary of the invention
It is an object of the invention to provide a kind of sealing member, to solve current junction block problem of poor air-tightness in use and between switchgear；Additionally the present invention also aims to provide a kind of junction block using above-mentioned sealing member.
The technical scheme is that a kind of sealing member, including the seal body for being arranged on junction block and the elastic material of switchgear junction, described seal body is provided with the through wires hole extended along the longitudinal direction for coordinating with switching conductor one_to_one corresponding and interference seal, described through wires hole front end is provided with line outlet, and through wires hole rear end is provided with incoming line.
Described seal body be provided with for the insert structure of radial pressure to apply to coordinate with conductor interference seal of transferring for making through wires hole to through wires hole of the junction block installing hole interference fit on switchgear, the rear end of insert structure is provided with for being held on the seal receptacle between junction block and the corresponding mating surface of switchgear, described through wires hole traverse insert structure.
Described through wires hole is bellmouth, and the bore of described incoming line is more than external diameter more than switching conductor of the bore of line outlet and the bore of incoming line.
Insert structure is boss, and seal receptacle is the peripheral sealing ring arranged of the rear end of described boss, and sealing ring is provided with the projection coordinated for mating face seal corresponding on junction block and switchgear.
A kind of junction block, including junction block body and the switching conductor being arranged on junction block body, also include sealing member, described sealing member includes the seal body for the elastic material being arranged between junction block body and switchgear, described seal body is provided with the through wires hole extending along the longitudinal direction and coordinating with switching conductor one_to_one corresponding and interference seal, described through wires hole front end is provided with line outlet, and through wires hole rear end is provided with incoming line.
Described seal body be provided with for the insert structure of radial pressure to apply to coordinate with conductor interference seal of transferring for making through wires hole to through wires hole of the junction block installing hole interference fit on switchgear, the rear end of insert structure is provided with for being held on the seal receptacle between junction block and the corresponding mating surface of switchgear, described through wires hole traverse insert structure.
Described through wires hole is bellmouth, and the bore of described incoming line is more than external diameter more than switching conductor of the bore of line outlet and the bore of incoming line.
The vitreous body being additionally provided with on described junction block body and transfer conductor and junction block body is sintered together, described switching conductor is through described vitreous body, and the incoming line of described through wires hole is towards described glass insulator.
Insert structure is boss, and seal receptacle is the peripheral sealing ring arranged of the rear end of described boss, and sealing ring is provided with the projection coordinated for mating face seal corresponding on junction block and switchgear.
Described junction block body is provided with for the groove with described male cooperation.
The invention have the benefit that the seal body of the sealing member of the present invention is provided with the through wires hole for coordinating with switching conductor one_to_one corresponding and interference seal, the sealing gasket being arranged on junction block installing hole end face is only passed through with current junction block compared with switchgear sealing cooperation when installing, transfer in use conductor and through wires hole of the sealing member of the present invention seals to coordinate and is possible to prevent junction block and transfers and combine, between conductor, the gas leakage closely not caused, enhance the air-tightness of junction block and switchgear junction, solve current patch panel problem of poor air-tightness in use and between switchgear.
Further, by by the insert structure in seal body and junction block installing hole interference fit, through wires hole makes seal body be combined tightr with switching conductor with switching conductor interference fit under the radial force effect to insert structure of the junction block installing hole, and the insert structure arranged also increases the contact area of sealing member and the junction block installing hole of switchgear, enhance the air-tightness between junction block and switchgear, insert structure in seal body increases the creep age distance between switching conductor and switchgear housing, good insulating simultaneously.
Further, the described through wires hole in seal body is bellmouth, the bore of the incoming line of the bellmouth bore more than line outlet and the bore more than switching conductor, ensureing that switching conductor seals the switching conductor that simultaneously facilitates coordinated and inserts with seal body, can ensure that while the installation of convenient conductor of transferring that through wires hole seals with switching conductor and coordinate.
Further, boss periphery in described seal body is provided with for being held between junction block and the corresponding mating surface of switchgear and sealing with it the sealing ring of cooperation and the projection being arranged on sealing ring, seal body is integrated with the function of sealing gasket and sealing ring, makes the better tightness of switchgear and junction block junction.
Accompanying drawing explanation
Fig. 1 is the structural representation of the specific embodiment of a kind of junction block of the present invention；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the right view of Fig. 1；
Fig. 4 be a kind of junction block of the present invention specific embodiment in the structural representation of sealing member.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the present invention are described further.
A kind of specific embodiment of the junction block of the present invention, as shown in Figures 1 to 4, junction block includes the junction block body 1 of circle, it is arranged on the vitreous body 2 in junction block body central region, vitreous body 2 is uniformly distributed one group of switching conductor 3, the junction block body 1 of junction block is stainless steel, junction block body 1 is provided with the junction block body fixing hole 12 for link seat body, together with switching conductor 3 and vitreous body 2 passes through to be sintered to fix, in the present embodiment, switching conductor 1 selects switching bonding wire set, in other embodiments of the invention, can also is that junction pole, other switching conductors such as contact.Junction block also includes for being arranged on the sealing member being namely arranged on junction block and switchgear junction between junction block body and switchgear, sealing member includes the seal body 4 of elastic material, seal body 4 is provided with the through wires hole 41 extended along the longitudinal direction for making switching conductor 3 traverse, the quantity of through wires hole 41 and switching conductor 3 quantity is identical and one_to_one corresponding, through wires hole 41 coordinates with conductor 3 interference seal of transferring.Seal body 4 is additionally provided with the sealing member fixing hole 45 corresponding with junction block body fixing hole 12.Seal body 4 is provided with for the insert structure with junction block installing hole interference fit, through wires hole traverse insert structure, the rear end of insert structure is provided with for being held on the seal receptacle between junction block and the corresponding mating surface of switchgear, in the present embodiment, insert structure is boss 42, seal receptacle is the peripheral sealing ring 44 for being held between junction block and the corresponding mating surface of switchgear and coordinate with the corresponding mating face seal on junction block and switchgear arranged of boss 42 rear end, in other embodiments of the invention, above-mentioned insert structure and seal receptacle can also be the bullet of integral type, the wherein external diameter of the rear end of the bullet external diameter more than front end the internal diameter more than junction block installing hole, the rear end of bullet is made to be held between junction block and the corresponding mating surface of switchgear to realize sealing by extruding during use.
Through wires hole 41 is the bellmouth through boss 42, the rear end of through wires hole 41 is provided with incoming line 411, the front end of through wires hole 41 is provided with line outlet 412, the incoming line 411 of through wires hole 41 is towards vitreous body 2, the bore of incoming line 411 is more than external diameter more than switching conductor 3 of the bore of line outlet 412 and the bore of incoming line 411, due to boss 42 and the junction block installing hole interference fit on switchgear, boss 42 assembled after at junction block radially by certain pressure so that through wires hole 41 with switching conductor interference seal coordinate, the design of bellmouth is ensureing that switching conductor 3 seals the switching conductor 3 that simultaneously facilitates coordinated and inserts with seal body 4, boss 42 also increases the contact area of seal body 4 and switchgear part with the junction block installing port interference fit on switchgear, enhance the air-tightness of contact surface between switchgear and seal body 4.The periphery of boss 42 is provided with for sealing, with junction block body and switchgear, the sealing ring 44 coordinated, sealing ring 44 is provided with the projection 43 coordinated for mating face seal corresponding on junction block and switchgear, protruding 43 functions being integrated with sealing ring, simplify the structure of seal body, be also convenient for assembling simultaneously.Junction block body 1 is provided with and protruding 43 grooves 11 coordinated.
During junction block assembling, first by switching conductor 3, vitreous body 2 and junction block body 1 are sintered together, then seal body 4 is set on junction block body 1, in sheathed process, switching conductor 3 is injected from the incoming line 411 of the through wires hole 41 seal body 4, projection 43 in seal body 4 is assemblied in recessed 11 grooves of annular, then the boss 42 of seal body 4 is assemblied in the junction block installing hole of switchgear, boss 42 and junction block installing hole interference fit, in the process installed, seal body 4 all coordinates with switching conductor 3 sealing owing to being subject to the junction block installing hole two ends to the pressure through wires hole 41 of boss 42 radial direction, boss 42 closely cooperates with switching conductor 3 owing to being subject to pressure radially.
The specific embodiment of a kind of sealing member of the present invention: this sealing member is identical with the structure of the sealing member described in the specific embodiment of above-mentioned a kind of junction block, repeats no more.
In other embodiments of the invention, the projection on above-mentioned sealing ring can also be without setting, and separately sets an O in groove；The boss of above-mentioned seal body can also be without setting, the internal diameter of through wires hole is less than the external diameter of switching conductor, when switching conductor inserts, through wires hole and switching conductor interference fit, air-tightness between through wires hole and switching conductor only relies on the elastic realization of seal body self, certainly, when being provided with boss in seal body, the internal diameter of above-mentioned through wires hole might be less that the external diameter of switching conductor；Above-mentioned vitreous body can also be other insulators such as ceramic body, junction block body can also adopt common poured with epoxy resin, switching conductor coordinates with sealings of seal body and is possible to prevent junction block body and transfers between conductor and combine the gas leakage closely not caused, further enhancing the air-tightness of junction block and switchgear junction；Above-mentioned vitreous body can also be without setting, and switching conductor is through the junction block body of junction block, and arranges glass tubing to ensure electrical insulating property between switching conductor and the body of junction block；Above-mentioned through wires hole can also be straight hole, it is also possible to for the other kinds of hole such as manhole, ellipse hole.
Claims (10)
1. a sealing member, it is characterized in that: include the seal body for being arranged on junction block and the elastic material of switchgear junction, described seal body is provided with the through wires hole extended along the longitudinal direction for coordinating with switching conductor one_to_one corresponding and interference seal, described through wires hole front end is provided with line outlet, and through wires hole rear end is provided with incoming line.
2. sealing member according to claim 1, it is characterized in that: described seal body be provided with for the insert structure of radial pressure to apply to coordinate with conductor interference seal of transferring for making through wires hole to through wires hole of the junction block installing hole interference fit on switchgear, the rear end of insert structure is provided with for being held on the seal receptacle between junction block and the corresponding mating surface of switchgear, described through wires hole traverse insert structure.
3. sealing member according to claim 2, it is characterised in that: described through wires hole is bellmouth, and the bore of described incoming line is more than external diameter more than switching conductor of the bore of line outlet and the bore of incoming line.
4. the sealing member according to Claims 2 or 3, it is characterized in that: insert structure is boss, seal receptacle is the peripheral sealing ring arranged of the rear end of described boss, and sealing ring is provided with the projection coordinated for mating face seal corresponding on junction block and switchgear.
5. a junction block, including junction block body and the switching conductor being arranged on junction block body, it is characterized in that: also include sealing member, described sealing member includes the seal body for the elastic material being arranged between junction block body and switchgear, described seal body is provided with the through wires hole extending along the longitudinal direction and coordinating with switching conductor one_to_one corresponding and interference seal, described through wires hole front end is provided with line outlet, and through wires hole rear end is provided with incoming line.
6. junction block according to claim 5, it is characterized in that: described seal body be provided with for the insert structure of radial pressure to apply to coordinate with conductor interference seal of transferring for making through wires hole to through wires hole of the junction block installing hole interference fit on switchgear, the rear end of insert structure is provided with for being held on the seal receptacle between junction block and the corresponding mating surface of switchgear, described through wires hole traverse insert structure.
7. junction block according to claim 6, it is characterised in that: described through wires hole is bellmouth, and the bore of described incoming line is more than external diameter more than switching conductor of the bore of line outlet and the bore of incoming line.
8. the junction block according to any one of claim 5-7, it is characterized in that: the vitreous body being additionally provided with on described junction block body with transferring conductor and junction block body is sintered together, described switching conductor is through described vitreous body, and the incoming line of described through wires hole is towards described vitreous body.
9. the junction block according to claim 6 or 7, it is characterized in that: insert structure is boss, seal receptacle is the peripheral sealing ring arranged of the rear end of described boss, and sealing ring is provided with the projection coordinated for mating face seal corresponding on junction block and switchgear.
10. junction block according to claim 9, it is characterised in that: described junction block body is provided with for the groove with described male cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610197785.5A CN105720511A (en) | 2016-03-31 | 2016-03-31 | Sealing element and wiring seat employing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610197785.5A CN105720511A (en) | 2016-03-31 | 2016-03-31 | Sealing element and wiring seat employing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105720511A true CN105720511A (en) | 2016-06-29 |
Family
ID=56159450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610197785.5A Pending CN105720511A (en) | 2016-03-31 | 2016-03-31 | Sealing element and wiring seat employing same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105720511A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113517577A (en) * | 2021-06-08 | 2021-10-19 | 平高集团有限公司 | Temperature rise test patch panel and temperature rise test connector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29806747U1 (en) * | 1998-04-08 | 1998-06-25 | Siemens AG, 80333 München | Floor plates for cable connection rooms of metal-enclosed, gas-insulated switchgear |
| CN1829023A (en) * | 2006-03-24 | 2006-09-06 | 江苏宝胜电气股份有限公司 | Dynamic seal structure member for three-phase integrated charging compartment |
| CN201690157U (en) * | 2010-04-23 | 2010-12-29 | 厦门大一互科技有限公司 | Wiring board of GIS switch cabinet |
| CN201927931U (en) * | 2010-11-16 | 2011-08-10 | 高文彬 | Anti-leak plate |
| CN202534967U (en) * | 2011-11-12 | 2012-11-14 | 高文彬 | Nut tight-splicing type leakage prevention plate |
-
2016
- 2016-03-31 CN CN201610197785.5A patent/CN105720511A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29806747U1 (en) * | 1998-04-08 | 1998-06-25 | Siemens AG, 80333 München | Floor plates for cable connection rooms of metal-enclosed, gas-insulated switchgear |
| CN1829023A (en) * | 2006-03-24 | 2006-09-06 | 江苏宝胜电气股份有限公司 | Dynamic seal structure member for three-phase integrated charging compartment |
| CN201690157U (en) * | 2010-04-23 | 2010-12-29 | 厦门大一互科技有限公司 | Wiring board of GIS switch cabinet |
| CN201927931U (en) * | 2010-11-16 | 2011-08-10 | 高文彬 | Anti-leak plate |
| CN202534967U (en) * | 2011-11-12 | 2012-11-14 | 高文彬 | Nut tight-splicing type leakage prevention plate |
Non-Patent Citations (1)
| Title |
|---|
| 许定奇、孙荣文: "《过盈联接的设计、计算与装拆》", 31 March 1992, 中国计量出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113517577A (en) * | 2021-06-08 | 2021-10-19 | 平高集团有限公司 | Temperature rise test patch panel and temperature rise test connector |
| CN113517577B (en) * | 2021-06-08 | 2023-03-07 | 平高集团有限公司 | Temperature rise test patch board and temperature rise test connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160629 |
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| RJ01 | Rejection of invention patent application after publication |