CN107342575A - A kind of new two way seal set - Google Patents
A kind of new two way seal set Download PDFInfo
- Publication number
- CN107342575A CN107342575A CN201710659840.2A CN201710659840A CN107342575A CN 107342575 A CN107342575 A CN 107342575A CN 201710659840 A CN201710659840 A CN 201710659840A CN 107342575 A CN107342575 A CN 107342575A
- Authority
- CN
- China
- Prior art keywords
- ring
- tubular body
- seal
- sealing
- type pad
- 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
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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
- H02G15/20—Cable fittings for cables filled with or surrounded by gas or oil
- H02G15/22—Cable terminations
- H02G15/23—Cable-end sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cable Accessories (AREA)
Abstract
The invention discloses a kind of new two way seal set, including sealing shroud body, the sealing shroud body includes being connected to each other and flexible axial seal and radial seal；Described axial seal and described radial seal are integrally formed；Described axial seal is tubular body, and tubular body holds insulation shield layer surface tightly and forms axial seal；Described radial seal is ring-type pad；Ring-type pad is pressed in sealing flange and cable termination between pipe flange by sealing flange and forms transverse sealing；The ring-type pad is arranged on the periphery of tubular body, its center and the center superposition of tubular body.The present invention substantially increases sealing effectiveness, reduces oil leak hidden danger, improves product quality and the safety coefficient of cable accessory operation, only needs a few specification, the sealing with regard to that can meet different size cable.
Description
Technical field
The present invention relates to a kind of voltage class 66kV and the seal of the oil-filled terminal of above cable, and in particular to a kind of new
Two way seal set.
Background technology
The existing oil-filled terminal of all kinds of cables, its leakproof oil seal, radial seal mainly use wrapped water blocking tape, axial seal
Common O-ring seal is mainly used, or axially and radially seals and uses O-ring seal（It is more rare）Sealed.
For cable accessory, per the cable of class voltage class, there are a variety of specifications, just at last with the specification of the same race of voltage class
Cable, due to the difference of manufacturer, or various processes, the insulation shielding external diameter of its cable, all it is very different, and do not have
Proactive, so all can not be sealed using O-ring seal, its radial direction is sealed using wrapped water blocking tape mostly.
Due to being that artificial wrapped, wrapped randomness is very big, even if one best around job contract, its wrapped place be also it is elastic differ, greatly
It is small to differ, and circularity is very poor, its sealing also can not just ensure.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of new two way seal set, improves sealing effectiveness.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：A kind of new two way seal set, the sealing
Set body includes being connected to each other and flexible axial seal and radial seal；Described axial seal and described
Radial seal is integrally formed；
Described axial seal is tubular body, and tubular body holds insulation shield layer surface tightly and forms axial seal；Institute
The radial seal stated is ring-type pad；Ring-type pad is pressed on sealing flange and pipe flange in cable termination by sealing flange
Between form transverse sealing；The ring-type pad is arranged on the periphery of tubular body, its center and the center superposition of tubular body.
Further, the sealing shroud body being made up of tubular body and ring-type pad is integrally T-shaped or decussate texture.
Further, the overall T-shaped structure of described sealing shroud body.
Further, described tubular body is silicone rubber sleeve；Described ring-type pad is silicone rubber pad；By tubular body
Controlled with the endoporus magnitude of interference of the sealing shroud body of ring-type pad composition within 20mm.
Further, the endoporus aperture of the sealing shroud body is 5~12mm.
Further, the side of the ring-type pad or both sides are provided with prominent male structure.
Further, it is provided with the ring-type pad for fixed bolt hole.
Further, the tubular body is made up of upper and lower part；Wall thickness is gradually reduced from bottom to top on the top；Institute
The wall thickness for stating position at bottom any two is equal.
Beneficial effects of the present invention：
1）The two way seal set of the present invention is made up of flexible axial seal and radial seal, by axial seal
Elastic longitudinal direction holds cable tightly, then with sealing flange by radial seal be pressed on sealing flange and pipe flange in cable termination it
Between, two way seal can be achieved.
2）Using the elasticity of the endoporus of two way seal set, its magnitude of interference can be controlled within 20mm, can pacified well
Encapsulation enters, while and can is free well, for good and all holds insulation shield surface tightly, because the endoporus of sealing shroud body has
Elasticity, a few specification is only needed, the sealing with regard to different size cable can be met.
3）The ring-type pad of the sealing shroud of the present invention is connected in sealing flange and cable termination between pipe flange, will be sealed
The junction of pipe flange carries out axial seal in flange and cable termination, and its airtight quality is significantly larger than wrapped sealing shroud, significantly
Oil leak hidden danger is reduced, product quality, and the safety coefficient of cable accessory operation are improved, advantageously in cable accessory system
Safe operation.
Brief description of the drawings
In order to more clearly illustrate the technical scheme in the embodiment of the present invention, will use below required in embodiment
Accompanying drawing is simply introduced, it should be apparent that, drawings in the following description are only some embodiments described in the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the use state diagram of the present invention.
Embodiment
Technical scheme will be clearly and completely described by embodiment below.
In existing technology, when product be axially and radially required for sealing when, can only it is radial and axial individually carry out
Sealing, have no idea using a sealing ring while realize radial and axial two way seal.
And a kind of new two way seal set of the present invention, as shown in figure 1, including sealing shroud body 1, sealing shroud body 1 wraps
Include and be connected to each other and flexible axial seal 11 and radial seal 12；Axial seal 11 and described radial seal
Part 12 is integrally formed；Described axial seal 11 is tubular body, and tubular body is held the surface of insulation shield layer 2 tightly and formed
Axial seal；Described radial seal 12 is ring-type pad；Ring-type pad by sealing flange 3 be pressed on sealing flange 3 with
In cable termination transverse sealing is formed between pipe flange 4；The ring-type pad is arranged on the periphery of tubular body, its center and cylinder
The center superposition of shape body.
The present invention holds axial seal 11 tightly by using specific purpose tool first with the elasticity of of sealing shroud body 1 itself
On the position that the periphery of insulation shield layer 2 is specified, then reuse sealing flange 3 radial seal 12 is pressed on it is close
Seal and two way seal can be achieved in flange 3 and cable termination between pipe flange 4.
The tubular body 11 and ring-type pad 12 of the present invention with high elasticity silica rubber through mould by being process, silicon rubber
Not only have outside recoverable high resiliency, also there is high temperature resistant high fever.It is close made of with high elasticity silica rubber
The magnitude of interference of the endoporus of big envelope body can be controlled within 20mm, can well be installed and be inserted in, at the same and can well from
By, for good and all hold insulation shield surface tightly.The same specification insulation shield external diameter difference of different manufacturers about 5mm with
It is interior, therefore the two way seal set of the present invention, a few specification is only needed, the sealing with regard to different size cable can be met.
The sealing shroud body that is made up of tubular body 11 and ring-type pad 12 of the present invention is integrally T-shaped or cross knot
Structure, it is therefore preferable to which T-type structure, i.e. ring-type pad 12 are arranged on the end of tubular body 11.Tubular body 11 and ring-type pad 12
It is integrally formed using mould, airtight quality is significantly larger than wrapped sealing shroud, greatly reduces oil leak hidden danger, improves product matter
Amount, and the safety coefficient of cable accessory operation, advantageously in the safe operation of cable accessory system.
As shown in Fig. 2 by the interior small 5~12mm of boring ratio insulation shield layer of the sealing shroud body 1 of the present invention, as vertical
Insulation shield layer 2 has just tightly been embraced to the tubular body of seal, has been provided with good sealing effectiveness.In addition, cylinder
Shape body 11 is made up of upper and lower part, and wall thickness is gradually reduced from bottom to top on top；The wall thickness of position is equal at bottom any two,
Such structure is easily installed.
Sealing flange 3 is connected by multigroup bolt fastener with pipe flange in cable termination 4 when mounted, ring-type pad 12
Upper settable bolt hole 14, sealing flange 3 and cable termination can be pressed on by multigroup bolt fastener by ring-type pad 12
Between interior pipe flange 4, the two sides of ring-type pad 12 is brought into close contact with pipe flange 4 in sealing flange 3 and cable termination respectively, so
Insulating oil is just completed from effective sealing between cable termination inner tube and insulation shield.The side of ring-type pad 12 or
The prominent male structure 13 that both sides are set is advantageous to ring-type pad 12 and is bonded with pipe flange 4 in sealing flange 3 and cable termination.
The present invention uses the two way seal set of plurality of specifications, with regard to different cable grades can be met, different manufacturer's productions
The leakproof oil seal of different cables.Ensure that the safe operation of cable system.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the design of the present invention
It is defined with scope, on the premise of design concept of the present invention is not departed from, ordinary skill technical staff is to this hair in this area
The all variations and modifications that bright technical scheme is made all should fall into protection scope of the present invention, claimed skill of the invention
Art content, all it is documented in technical requirements book.
Claims (8)
1. a kind of new two way seal set, including sealing shroud body, it is characterised in that：The sealing shroud body includes being connected to each other
And flexible axial seal and radial seal；Described axial seal and described radial seal one into
Type；
Described axial seal is tubular body, and tubular body holds insulation shield layer surface tightly and forms axial seal；Institute
The radial seal stated is ring-type pad；Ring-type pad is pressed on sealing flange and pipe flange in cable termination by sealing flange
Between form transverse sealing；The ring-type pad is arranged on the periphery of tubular body, its center and the center superposition of tubular body.
A kind of 2. new two way seal set according to claim 1, it is characterised in that：By tubular body and ring-type pad structure
Into sealing shroud body is integrally T-shaped or decussate texture.
A kind of 3. new two way seal set according to claim 2, it is characterised in that：Described sealing shroud body is in integrally
T-type structure.
A kind of 4. new two way seal set according to claim 1, it is characterised in that：The endoporus aperture of the tubular body
It is smaller 5~12mm than the external diameter of cable.
A kind of 5. new two way seal set according to claim 1 or 2, it is characterised in that：Described tubular body is silicon
Rubber sleeve；Described ring-type pad is silicone rubber pad；The endoporus mistake for the sealing shroud body being made up of tubular body and ring-type pad
The amount of being full of is controlled within 20mm.
A kind of 6. new two way seal set according to claim 1 or 2, it is characterised in that：The side of the ring-type pad
Or 2 side be provided with prominent male structure.
A kind of 7. new two way seal set according to claim 1 or 2, it is characterised in that：Set on the ring-type pad
Have for fixed bolt hole.
A kind of 8. new two way seal set according to claim 1 or 2, it is characterised in that：The tubular body is by top
Formed with bottom；Wall thickness is gradually reduced from bottom to top on the top；The wall thickness of position is equal at the bottom any two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710659840.2A CN107342575A (en) | 2017-08-04 | 2017-08-04 | A kind of new two way seal set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710659840.2A CN107342575A (en) | 2017-08-04 | 2017-08-04 | A kind of new two way seal set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107342575A true CN107342575A (en) | 2017-11-10 |
Family
ID=60217784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710659840.2A Pending CN107342575A (en) | 2017-08-04 | 2017-08-04 | A kind of new two way seal set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107342575A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595340A (en) * | 2018-11-28 | 2019-04-09 | 中航光电科技股份有限公司 | Integrated bidirectional sealing structure |
| CN109828180A (en) * | 2019-04-03 | 2019-05-31 | 哈尔滨理工大学 | A kind of experiment cable accessory assembling and disassembling device and working method |
| CN112652442A (en) * | 2020-12-18 | 2021-04-13 | 宁波健信核磁技术有限公司 | Joint waterproof construction |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201113373Y (en) * | 2007-03-15 | 2008-09-10 | 武汉华瑞电力科技股份有限公司 | 110kV-220kV cross linkage cable filling open air terminal |
| CN204424856U (en) * | 2015-04-02 | 2015-06-24 | 国家电网公司 | The stifled cover of silica gel sealing for cable protection pipe |
| CN206237111U (en) * | 2016-12-07 | 2017-06-09 | 湖南橡博电气有限公司 | A kind of double containment cable accessory |
| CN207150144U (en) * | 2017-08-04 | 2018-03-27 | 江苏中天科技电缆附件有限公司 | A kind of new two way seal set |
-
2017
- 2017-08-04 CN CN201710659840.2A patent/CN107342575A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201113373Y (en) * | 2007-03-15 | 2008-09-10 | 武汉华瑞电力科技股份有限公司 | 110kV-220kV cross linkage cable filling open air terminal |
| CN204424856U (en) * | 2015-04-02 | 2015-06-24 | 国家电网公司 | The stifled cover of silica gel sealing for cable protection pipe |
| CN206237111U (en) * | 2016-12-07 | 2017-06-09 | 湖南橡博电气有限公司 | A kind of double containment cable accessory |
| CN207150144U (en) * | 2017-08-04 | 2018-03-27 | 江苏中天科技电缆附件有限公司 | A kind of new two way seal set |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595340A (en) * | 2018-11-28 | 2019-04-09 | 中航光电科技股份有限公司 | Integrated bidirectional sealing structure |
| CN109828180A (en) * | 2019-04-03 | 2019-05-31 | 哈尔滨理工大学 | A kind of experiment cable accessory assembling and disassembling device and working method |
| CN112652442A (en) * | 2020-12-18 | 2021-04-13 | 宁波健信核磁技术有限公司 | Joint waterproof construction |
| CN112652442B (en) * | 2020-12-18 | 2022-05-03 | 宁波健信核磁技术有限公司 | Joint waterproof construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171110 |
|
| RJ01 | Rejection of invention patent application after publication |