CN207910353U - A kind of flanged (FLGD) connection seal bellows - Google Patents
A kind of flanged (FLGD) connection seal bellows Download PDFInfo
- Publication number
- CN207910353U CN207910353U CN201721897779.7U CN201721897779U CN207910353U CN 207910353 U CN207910353 U CN 207910353U CN 201721897779 U CN201721897779 U CN 201721897779U CN 207910353 U CN207910353 U CN 207910353U
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- China
- Prior art keywords
- airtight
- transmission shaft
- sealing flange
- corrugated pipe
- locular wall
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Abstract
The utility model discloses a kind of flanged (FLGD) connection seal bellows, and seal bellows includes sealing flange, transmission shaft, expansion corrugated pipe, diaphragm seal, airtight locular wall；The side of sealing flange becomes placed against with airtight locular wall；The sealing flange is located at outside the sealed chamber that the airtight locular wall is formed after installation；Sealing flange is fixedly connected with the first end of the expansion corrugated pipe, and the corresponding position of airtight locular wall is equipped with through-hole, and expansion corrugated pipe is located at across through-hole inside sealed chamber；The second end of expansion corrugated pipe is fixedly installed with diaphragm seal, and the diaphragm seal is fixedly installed with the transmission shaft；Transmission shaft passes through the through-hole of sealing flange and airtight locular wall, expansion corrugated pipe to be sleeved on transmission shaft.The utility model proposes a kind of flanged (FLGD) connection seal bellows, simple in structure and applicability is high, and sealing structure is welded seal, and sealing performance is reliable, and operation force Linear transmission is reliable, safety.
Description
Technical field
The utility model belongs to technical field of electric equipment, is related to a kind of flanged (FLGD) connection seal bellows.
Background technology
For the outflow sealed chamber for keeping the operation force of the airtight indoor switch shaft of gas insulation switch cabinet safe and reliable, and
With good sealability, existing realization method has through flange and intermediate transmission equipped with outside framework oil seal or sealing ring
Axis realizes the transmission of angle direction or the operation force of rectilinear direction；Therefore scheme is for needing Linear transmission switch motion power
When, after the switch that cannot be satisfied some larger operation forces is driven needs, and switch motion mechanical life reaches certain number, method
Blue air-tightness can decline very much, or even influence the normal operating use of switch, influence gas insulation switch cabinet in power grid
Safe and reliable operation.
Existing sealing flange is when transmitting linearly operating power, the friction area of action axis and sealing ring or outside framework oil seal
It is excessive.For these reasons, the switch motion service life of gas insulation switch cabinet is unable to reach in GB1984 high-voltage AC breakers
The mechanical life of M2 grades of breakers is required.
In view of this, nowadays there is an urgent need to design a kind of new flanged (FLGD) connection seal bellows, it is existing to overcome
There is drawbacks described above existing for gas insulation switch cabinet.
Utility model content
Technical problem to be solved in the utility model is：A kind of flanged (FLGD) connection seal bellows, structure are provided
Simple and applicability is high, and sealing structure is welded seal, and sealing performance is reliable, and operation force Linear transmission is reliable, safe.
In addition, the present invention can be used for the transmission of operation force inside and outside sealed chamber, by the way that connection seal bellows, sealing is arranged
Dependable performance, operation force Linear transmission are reliable, safe.
In order to solve the above technical problems, the utility model adopts the following technical solution：
A kind of connection seal bellows, the bellows include：Sealing flange, transmission shaft, expansion corrugated pipe, sealing
Piece, sealing ring；
The side of the sealing flange becomes placed against with airtight locular wall, and sealing is equipped between sealing flange and airtight locular wall
Circle；The sealing flange is located at outside the sealed chamber that the airtight locular wall is formed after installation；
For the sealing flange with the expansion corrugated pipe by being welded to connect, the corresponding position of airtight locular wall is equipped with through-hole,
Expansion corrugated pipe is located at across through-hole inside sealed chamber；
The transmission shaft uses stainless steel, to be driven critical piece；The first end of transmission shaft is equipped with internal connecting hole,
For connecting the transmission parts inside sealed chamber, the second end of transmission shaft is equipped with external mounting hole, for connecting outside sealed chamber
Operating mechanism；The transmission shaft is with sealing flange and diaphragm seal and expansion corrugated pipe by being welded into one, fitted seal
Circle is mounted on airtight chamber outer wall；
The first end of the expansion corrugated pipe is welded on sealing flange, and the second end of expansion corrugated pipe is welded on diaphragm seal
On, the diaphragm seal realizes sealing with transmission shaft welding；
The diaphragm seal plays sealing and supporting role, is located at expansion corrugated pipe tail end；The airtight locular wall is as sealed chamber
Main element seals.
A kind of connection seal bellows, the seal bellows include：It is sealing flange, transmission shaft, expansion corrugated pipe, close
Mounting, sealing ring；
The side of the sealing flange is adjacent to installation with airtight locular wall；The sealing flange is located at the sealed chamber after installation
Outside the sealed chamber that wall is formed；
The first end of the sealing flange and the expansion corrugated pipe, which is fixed, welds, and the corresponding position of airtight locular wall, which is equipped with, to be led to
Hole, expansion corrugated pipe are located at across through-hole inside sealed chamber；The second end of the expansion corrugated pipe is fixed with diaphragm seal and is welded, institute
It states diaphragm seal and fixes welding with the transmission shaft；
The first end of the transmission shaft is used for connecting the transmission parts inside sealed chamber, and the second end of transmission shaft is used for being arranged
Operating mechanism outside sealed chamber；The transmission shaft passes through the through-hole of sealing flange and airtight locular wall, expansion corrugated pipe to be fixed on
On transmission shaft.
As a kind of preferred embodiment of the utility model, the first end of the expansion corrugated pipe is welded on sealing flange,
The second end of expansion corrugated pipe is welded on diaphragm seal, and the diaphragm seal realizes sealing with transmission shaft welding.
As a kind of preferred embodiment of the utility model, sealing ring is equipped between the sealing flange and airtight locular wall.
As a kind of preferred embodiment of the utility model, the first end of the sealing flange and the expansion corrugated pipe is welded
Together, sealing flange is fixedly connected with expansion corrugated pipe by the stud welded on airtight chamber outer wall.
As a kind of preferred embodiment of the utility model, the first end of the transmission shaft is equipped with internal connecting hole, for setting
The transmission parts inside sealed chamber are set, the second end of transmission shaft is equipped with external mounting hole, for the operation outside sealed chamber is arranged
Mechanism.
The beneficial effects of the utility model are：The utility model proposes gas insulation switch cabinet and connection with sealing wave
Line pipe, simple in structure and applicability is high, and sealing structure is welded seal, and sealing performance is reliable, and operation force Linear transmission is reliable, pacifies
Entirely.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model connection seal bellows.
Fig. 2 is the utility model connection seal bellows structure and scheme of installation.
Specific implementation mode
The preferred embodiment that according to the present invention will be described in detail below with reference to the accompanying drawings.
Embodiment one
It please refers to Fig.1, Fig. 2, the utility model discloses a kind of connection seal bellows, and the bellows includes：It is close
Seal flange 1, transmission shaft 2, expansion corrugated pipe 3, diaphragm seal 4, sealing ring 6, mounting hole 7.
The side of the sealing flange 1 is adjacent to installation with airtight locular wall 5, is equipped between sealing flange 1 and airtight locular wall 5 close
Seal 6；Sealing flange 1 is mounted on by mounting hole 7 on the stud 8 on the outside of sealed chamber, and the sealing flange 1 is located at institute after installation
Outside the sealed chamber for stating the formation of airtight locular wall 5.
With the expansion corrugated pipe 3 by being welded to connect, the corresponding position of airtight locular wall 5 is equipped with to be led to the sealing flange 1
Hole, expansion corrugated pipe 3 are located at across through-hole inside sealed chamber.
The transmission shaft 2 uses stainless steel, to be driven critical piece；The first end of transmission shaft 2 is equipped with internal connect
Hole 21, for the transmission parts inside sealed chamber are arranged, the second end of transmission shaft 2 is equipped with external mounting hole 22, for gas is arranged
Operating mechanism outside secret room；Sealing flange 1, expansion corrugated pipe 3 and diaphragm seal 4 are formed one by the transmission shaft 2 by welding
A entirety, fitted seal circle 6 are mounted on the through-hole of airtight locular wall 5.
The first end of the expansion corrugated pipe 3 is welded on sealing flange 1, and the second end of expansion corrugated pipe 3 is welded on close
On mounting 4, the diaphragm seal 4 realizes sealing with the welding of transmission shaft 2.
The diaphragm seal 4 plays sealing and supporting role, is located at expansion corrugated pipe tail end；The airtight locular wall 5 is as airtight
Room main element, seals.
Mechanical drive principle：This flanged (FLGD) connection is the Linear transmission way of output with seal bellows, will be in sealed chamber
The operation force of switch is passed to by transmission shaft 2 outside sealed chamber, and accurate operation force is inputted to external mechanism；Simultaneously because of transmission
Axis 2 is only fixed point with the junction of diaphragm seal 4, and due to the characteristic of expansion corrugated pipe 3, when installation transmission shaft can it is front and back,
A small amount of offset is carried out up and down, while will not influence properties of product.
Sealing principle：By the installation that fits closely of the sealing ring and airtight locular wall 5 of 1 mounting surface of sealing flange, this is realized
The sealability of connection seal bellows and sealed chamber；Pass through the welding and sealing of expansion corrugated pipe 3 and diaphragm seal 4 simultaneously
The sealability connect with seal bellows ontology is realized in the welding of piece 4 and transmission shaft 2.
Embodiment two
It please refers to Fig.1, Fig. 2, a kind of connection seal bellows, the bellows includes：Sealing flange 1, transmission shaft 2,
Expansion corrugated pipe 3, diaphragm seal 4, sealing ring 6, mounting hole 7.
The side of the sealing flange is adjacent to installation with airtight locular wall；The sealing flange is located at the sealed chamber after installation
Inside the sealed chamber that wall is formed；
The sealing flange is fixedly connected with the first end of the expansion corrugated pipe, and the corresponding position of airtight chamber interior walls is equipped with
Through-hole, expansion corrugated pipe are located at across through-hole outside sealed chamber；The second end of the expansion corrugated pipe is fixed with diaphragm seal and is welded,
The diaphragm seal is fixed with the transmission shaft and is welded；
The first end of the transmission shaft is used for connecting the operating mechanism outside sealed chamber, and the second end of transmission shaft is used for connecting
Transmission parts inside sealed chamber；The transmission shaft passes through the through-hole of sealing flange and airtight locular wall, expansion corrugated pipe to be fixed on
On transmission shaft.
In conclusion the utility model proposes connection seal bellows, simple in structure and applicability is high, sealing structure
For welded seal, sealing performance is reliable, and operation force Linear transmission is reliable, safe.
Here the description and application of the utility model are illustrative, are not wishing to the scope of the utility model being limited in
It states in embodiment.The deformation and change of embodiments disclosed herein are possible, for the ordinary skill people of those this fields
The replacement of embodiment and equivalent various parts are well known for member.It should be appreciated by the person skilled in the art that not taking off
In the case of spirit or essential characteristics from the utility model, the utility model can in other forms, structure, arrangement, ratio,
And it is realized with other components, material and component.It, can be to this in the case where not departing from the scope of the utility model and spirit
In disclosed embodiment carry out other deformations and change.
Claims (7)
1. a kind of connection seal bellows, which is characterized in that the seal bellows includes：Sealing flange, stretches transmission shaft
Bellows, diaphragm seal, airtight locular wall；
The side of the sealing flange becomes placed against with airtight locular wall, and sealing ring is equipped between sealing flange and airtight locular wall；Peace
The sealing flange is located at outside the sealed chamber that the airtight locular wall is formed after dress；
By being welded to connect, the corresponding position of airtight locular wall is equipped with logical the first end of the sealing flange and the expansion corrugated pipe
Hole, expansion corrugated pipe are located at across through-hole inside sealed chamber；
The transmission shaft uses stainless steel, to be driven critical piece；The first end of transmission shaft is equipped with internal connecting hole, is used for
The transmission parts inside sealed chamber are connected, the second end of transmission shaft is equipped with external mounting hole, for connecting the behaviour outside sealed chamber
Make mechanism；The transmission shaft passes through the through-hole of sealing flange and airtight locular wall, expansion corrugated pipe to be sleeved on transmission shaft；
The second end of the expansion corrugated pipe is welded on diaphragm seal, and the diaphragm seal realizes sealing with transmission shaft welding；
The diaphragm seal plays sealing and supporting role, is located at the second end of expansion corrugated pipe；The airtight locular wall is as sealed chamber
Main element seals.
2. a kind of connection seal bellows, which is characterized in that the seal bellows includes：Sealing flange, stretches transmission shaft
Bellows, diaphragm seal, airtight locular wall；
The side of the sealing flange is adjacent to installation with airtight locular wall；The sealing flange is located at the airtight locular wall shape after installation
At sealed chamber outside；
The first end of the sealing flange and the expansion corrugated pipe, which is fixed, welds, and the corresponding position of airtight locular wall is equipped with through-hole,
Expansion corrugated pipe is located at across through-hole inside sealed chamber；The second end of the expansion corrugated pipe is fixed with diaphragm seal and is welded, described
Diaphragm seal is fixed with the transmission shaft and is welded；
The first end of the transmission shaft is used for connecting the transmission parts inside sealed chamber, and the second end of transmission shaft is used for connecting airtight
The operating mechanism of outdoor；The transmission shaft passes through the through-hole of sealing flange and airtight locular wall, expansion corrugated pipe to be fixed on transmission
On axis.
3. connection seal bellows according to claim 2, it is characterised in that：
The first end of the expansion corrugated pipe is welded on sealing flange, and the second end of expansion corrugated pipe is welded on diaphragm seal,
The diaphragm seal realizes sealing with transmission shaft welding.
4. connection seal bellows according to claim 2, it is characterised in that：
Sealing ring is equipped between the sealing flange and airtight locular wall.
5. connection seal bellows according to claim 2, it is characterised in that：
The first end of the sealing flange and the expansion corrugated pipe welds together, connection with sealing line pipe by sealed chamber outside
The stud welded on wall is fixedly connected.
6. connection seal bellows according to claim 2, it is characterised in that：
The first end of the transmission shaft is equipped with internal connecting hole, for connecting the transmission parts inside sealed chamber, the of transmission shaft
Two ends are equipped with external mounting hole, for connecting the operating mechanism outside sealed chamber.
7. connection seal bellows according to claim 2, it is characterised in that：
There are 4 installation mounting holes on the sealing flange, for connection to be fixed on airtight chamber outer wall, gas with seal bellows
The through-hole surrounding opened on secret room outer wall only needs the stud corresponding with mounting hole is installed on sealing flange of setting 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721897779.7U CN207910353U (en) | 2017-12-29 | 2017-12-29 | A kind of flanged (FLGD) connection seal bellows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721897779.7U CN207910353U (en) | 2017-12-29 | 2017-12-29 | A kind of flanged (FLGD) connection seal bellows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207910353U true CN207910353U (en) | 2018-09-25 |
Family
ID=63565720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721897779.7U Active CN207910353U (en) | 2017-12-29 | 2017-12-29 | A kind of flanged (FLGD) connection seal bellows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207910353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113541032A (en) * | 2020-04-14 | 2021-10-22 | 伊顿智能动力有限公司 | Sealing structure for intermittent and partial rotation and translation shaft |
-
2017
- 2017-12-29 CN CN201721897779.7U patent/CN207910353U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113541032A (en) * | 2020-04-14 | 2021-10-22 | 伊顿智能动力有限公司 | Sealing structure for intermittent and partial rotation and translation shaft |
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