CN215185479U - Aerify cabinet and load switch sealing device thereof - Google Patents
Aerify cabinet and load switch sealing device thereof Download PDFInfo
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- CN215185479U CN215185479U CN202121575299.5U CN202121575299U CN215185479U CN 215185479 U CN215185479 U CN 215185479U CN 202121575299 U CN202121575299 U CN 202121575299U CN 215185479 U CN215185479 U CN 215185479U
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Abstract
The utility model discloses an aerify cabinet and load switch sealing device thereof, wherein aerify the load switch sealing device of cabinet and include the ring flange and move the rotation axis of sealing connection through first sealing washer and ring flange, be equipped with one or two at least first sealing washers along the rotation axis axial. In the load switch sealing device that this application provided, it is sealed through first sealing washer between rotation axis and the ring flange, has better sealed effect in rotary motion is done to rotation axis and ring flange, and the installation is convenient, good reliability, maintenance are convenient, and gaseous annual rate of revealing is less than 0.05%, can prevent effectively that greenhouse gas SF6 from leaking, more environmental protection.
Description
Technical Field
The utility model relates to a load switch sealing technique field, in particular to aerify load switch sealing device of cabinet. The utility model discloses still relate to an aerify cabinet including above-mentioned load switch sealing device.
Background
In an inflation cabinet, for example, a dynamic seal used in a 10kV sulfur hexafluoride gas insulation inflation cabinet is fixedly connected by self threads, and brass is used as a material of the dynamic seal, so that the dynamic seal has low hardness, and is easy to scratch during installation, thereby causing installation rework and material damage.
Meanwhile, because the lip-shaped sealing ring is adopted for the internal seal of the dynamic seal, the lip-shaped sealing ring is mainly used for reciprocating dynamic seal, the installation difficulty is high, the dynamic seal shaft is easy to damage during installation, the rejection rate is high, the quality is unstable, and the sealing effect is poor.
Therefore, how to achieve the sealing effect of the sealing device of the load switch is a technical problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an aerify load switch sealing device of cabinet, this aerify load switch sealing device's sealed effect improves. The utility model also aims to provide an aerify cabinet including above-mentioned load switch sealing device.
In order to achieve the above object, the utility model provides an aerify load switch sealing device of cabinet, including the ring flange and through first sealing washer with the rotation axis that the ring flange moves sealing connection, follow the rotation axis axial is equipped with one or at least two first sealing washer.
Preferably, the rotating shaft is circumferentially provided with a first annular groove for mounting the first seal ring.
Preferably, the flange is an aluminum alloy structural member.
Preferably, the flange plate is provided with a mounting ring used for being connected with the front plate of the gas box, and the mounting ring is connected with the front plate of the gas box through a threaded fastener.
Preferably, the mounting ring is provided with a dynamic seal fixing notch for mounting the threaded fastener, and a chamfer is arranged at the edge of one side of the dynamic seal fixing notch attached to the front plate of the gas tank.
Preferably, the movable seal fixing notches are a plurality of, the movable seal fixing notches are uniformly arranged around the circumference of the mounting ring, and the movable seal fixing notches correspond to the threaded fasteners one to one.
Preferably, the periphery of the flange plate is provided with a second annular groove, and a second sealing ring which is used for being connected with the front plate of the gas tank in a sealing mode is arranged in the second annular groove.
Preferably, the flange plate is connected with the rotating shaft through a ball bearing, the rotating shaft is provided with a limiting boss matched with the ball bearing on one side, and the ball bearing at the end part is connected with the rotating shaft through an elastic retainer ring for the shaft.
Preferably, the flange plate and/or the rotating shaft are of an integrally formed structure.
An inflatable cabinet, comprising a load switch sealing device, wherein the load switch sealing device is the load switch sealing device of any one of the above items.
In the technical solution, the utility model provides an aerify load switch sealing device of cabinet includes the ring flange and moves the rotation axis of sealing connection through first sealing washer and ring flange, is equipped with one or two at least first sealing washers along the rotation axis axial.
Can know through the above-mentioned description, in the load switch sealing device that this application provided, it is sealed through first sealing washer between rotation axis and the ring flange, has better sealed effect in rotary motion is done at rotation axis and ring flange, and it is convenient to install.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a three-dimensional structural view of a load switch sealing device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a load switch sealing device according to an embodiment of the present invention;
FIG. 3 is a schematic view of the load switch seal assembly of FIG. 2 taken along the line A-A;
fig. 4 is a three-dimensional structure diagram of a flange provided in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a flange provided in an embodiment of the present invention;
FIG. 6 is a schematic view of the flange of FIG. 5 taken along the direction B-B;
fig. 7 is a three-dimensional structural view of a rotating shaft according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a rotating shaft according to an embodiment of the present invention;
FIG. 9 is a schematic view of the rotary shaft of FIG. 8 along the direction C-C;
FIG. 10 is a top view of the rotating shaft shown in FIG. 8;
fig. 11 is a partial three-dimensional structural view of an inflatable cabinet according to an embodiment of the present invention;
fig. 12 is a view illustrating an installation position of a load switch sealing device according to an embodiment of the present invention;
fig. 13 is a schematic view of the structure of fig. 12 along the direction D-D.
Wherein in FIGS. 1-13:
1. a flange plate; 1-1, mounting a ring; 1-2, fixing the notch by dynamic sealing; 1-3, chamfering; 1-4, installing notches of ball bearings; 1-5, rotating the sealing surface; 1-6, a second annular groove;
2. a rotating shaft; 2-1, an operating mechanism interface; 2-2, installing grooves for elastic check rings for shafts; 2-3, a first annular groove; 2-4, limiting bosses;
3. a first seal ring; 4. a second seal ring; 5. a ball bearing; 6. a circlip for the shaft; 7. a gas box front plate; 8. a load switch body.
Detailed Description
The core of the utility model is to provide a load switch sealing device of gas charging cabinet, this load switch sealing device's sealed effect improves. The other core of the utility model is to provide an inflatable cabinet comprising the load switch sealing device.
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
Please refer to fig. 1 to fig. 13.
In a specific implementation manner, the utility model discloses specific embodiment provides an aerify cabinet's load switch sealing device includes ring flange 1 and through first sealing washer 3 and the rotation axis 2 of ring flange 1 dynamic seal connection, is equipped with one or two at least first sealing washers 3 along rotation axis 2 axial. The surface of the flange plate 1, which is attached to the first sealing ring 3, is a rotary sealing surface 1-5. The flange plate 1 is provided with a limiting boss 2-4 for limiting the axial movement of the rotating shaft 2.
The rotating shaft 2 is circumferentially provided with a first annular groove 2-3 for mounting a first seal ring 3. Specifically, one end of the rotating shaft 2 is an operating mechanism interface 2-1, and the other end is a load switch body interface connected with the load switch body 8, and the shape of the connecting position of the rotating shaft 2 and the internal and external connecting structure can be changed, for example, the connecting mode is a hexagon, a quadrangle, and the like.
In one embodiment, the flange 1 is an aluminum alloy structural member. The flange plate 1 is made of high-strength aluminum alloy, and compared with a traditional brass sleeve as the flange plate 1, the flange plate has the advantages of being good in strength, low in material price and the like.
In a specific embodiment, the flange plate 1 is provided with a mounting ring 1-1 for connecting with the front plate 7 of the air box, and the mounting ring 1-1 is connected with the front plate 7 of the air box through a threaded fastener. Preferably, the mounting ring 1-1 is integrally formed with the body of the flange 1.
In a specific embodiment, the mounting ring 1-1 is provided with a dynamic seal fixing notch 1-2 for mounting a threaded fastener, and the edge of one side of the dynamic seal fixing notch 1-2, which is attached to the front plate 7 of the gas tank, is provided with a chamfer 1-3. When the load switch sealing device is arranged on the front plate 7 of the gas tank, the sealing surface of the flange plate 1 and the front plate 7 of the gas tank is tightly attached. When the flange plate 1 is connected with the gas tank front plate 7, the flange plate is fixed by using bolts, and compared with the existing self-threaded connection fixing mode, the flange plate has the advantages of reliable connection, convenience in installation, good sealing effect, convenience in replacement and the like, so that the production efficiency is improved, the yield is increased, the product quality is improved, and the maintenance cost is reduced in the production process.
Preferably, the number of the movable seal fixing notches 1-2 is multiple, the movable seal fixing notches 1-2 are uniformly arranged around the circumference of the mounting ring 1-1, and the movable seal fixing notches 1-2 correspond to the threaded fasteners one by one. The number of the movable sealing fixed notches 1-2 is 4, one side of the movable sealing fixed notch 1-2, which is attached to the front plate 7 of the air box, is used as a sealing surface, and the edge of the movable sealing fixed notch is provided with the chamfer 1-3.
In a specific embodiment, the periphery of the flange plate 1 is provided with second annular grooves 1-6, and second sealing rings 4 which are used for being connected with a front plate 7 of the gas tank in a sealing mode are arranged in the second annular grooves 1-6, wherein the second annular grooves 1-6 are used for limiting the second sealing rings 4. Through setting up second sealing washer 4, improved the leakproofness of ring flange 1 with gas tank front bezel 7.
During the equipment, through 4 bolt fastening about from top to bottom between ring flange 1 and the gas tank front bezel 7, form seal structure between ring flange 1 and gas tank front bezel 7, gas is isolated inside and outside the gas tank, and rotation axis 2 is connected with load switch body 8, and when rotation axis 2 carries out rotary motion under operating device's drive, can drive load switch body 8 and carry out the action, when realizing the linkage of inside and outside, make the inside and outside isolated, form airtight space inside.
In the specific assembly, preferably, the flange 1 is connected to the rotating shaft 2 through a ball bearing 5, the rotating shaft 2 is provided with a limit boss 2-4 engaged with the ball bearing 5 on one side, and the ball bearing 5 on the end portion is connected through a circlip 6 for the shaft. Specifically, the flange plate 1 is provided with ball bearing mounting notches 1-4 for mounting a ball bearing 5. The rotating shaft 2 is provided with a circlip installation groove 2-2 for installing a circlip 6 for shaft. When in work, the roller bearing mounting notches are used for placing the ball bearings 5 to play a role in guiding and supporting.
When the dynamic seal of the whole structure is assembled, firstly, a ball bearing 5, a first seal ring 3 and a first seal ring 3 are sequentially arranged on a rotating shaft 2 from bottom to top, a second seal ring 4 is arranged on a flange plate 1, then, the rotating shaft 2 is inserted into the flange plate 1, then, the ball bearing 5 is arranged, and the shaft is fixed by an elastic retainer ring 6. The rotating shaft 2 and the flange plate 1 can rotate. The flange plate 1, the first sealing ring 3 and the rotating shaft 2 are matched to form a dynamic sealing structure, and when the rotating shaft 2 rotates, the flange plate 1 and the rotating shaft 2 are sealed.
For the convenience of processing, it is preferable that the flange 1 and/or the rotary shaft 2 are formed integrally.
As can be seen from the above description, in the load switch sealing device provided in the embodiment of the present application, the rotating shaft 2 and the flange plate 1 are sealed by the first sealing ring 3, so that the rotating shaft 2 and the flange plate 1 have a better sealing effect during the rotating motion, and the installation is convenient. The first sealing ring 3 is adopted as an O-shaped sealing ring for dynamic seal internal sealing, and the rotary seal has the advantages of good sealing effect, convenience in installation, high yield, stable quality and the like. The promotion of sealed effect can reduce the inside greenhouse gas's of gas tank rate of revealing and reveal the risk, adopts the new technology after, and the inside greenhouse gas's of gas tank rate of revealing can reduce to annual leakage rate and be less than 0.05%, can prevent effectively that greenhouse gas SF6 from leaking, more environmental protection.
The application provides an inflatable cabinet, including load switch sealing device, wherein load switch sealing device is any kind of load switch sealing device of above-mentioned, the foregoing has described about the specific structure of load switch sealing device, and this application includes above-mentioned load switch sealing device, has above-mentioned technological effect equally.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The load switch sealing device of the inflatable cabinet is characterized by comprising a flange plate (1) and a rotating shaft (2) which is in dynamic sealing connection with the flange plate (1) through a first sealing ring (3), wherein one or at least two first sealing rings (3) are axially arranged along the rotating shaft (2).
2. Load switch sealing device of an inflatable cabinet according to claim 1, characterized in that the rotating shaft (2) is circumferentially provided with a first annular groove (2-3) for mounting the first sealing ring (3).
3. The load switch sealing device of an air-filled cabinet according to claim 1, wherein the flange plate (1) is an aluminum alloy structural member.
4. The load switch sealing device of the gas-filled cabinet according to claim 1, wherein the flange plate (1) is provided with a mounting ring (1-1) for connecting with a front plate (7) of the gas tank, and the mounting ring (1-1) is connected with the front plate (7) of the gas tank through a threaded fastener.
5. The load switch sealing device of the inflatable cabinet according to claim 4, wherein the mounting ring (1-1) is provided with a dynamic seal fixing notch (1-2) for mounting the threaded fastener, and a chamfer (1-3) is arranged on one side edge of the dynamic seal fixing notch (1-2) which is attached to the front plate (7) of the air box.
6. The load switch sealing device of the gas insulated switchgear as claimed in claim 5, wherein the number of the dynamic seal fixing notches (1-2) is plural, the dynamic seal fixing notches (1-2) are uniformly arranged around the circumference of the mounting ring (1-1), and the dynamic seal fixing notches (1-2) correspond to the threaded fasteners one by one.
7. The load switch sealing device of the gas-filled cabinet according to claim 1, wherein the flange (1) is provided with a second annular groove (1-6) at the periphery, and a second sealing ring (4) which is used for being connected with the front plate (7) of the gas tank in a sealing way is arranged in the second annular groove (1-6).
8. The load switch sealing device of the gas-filled cabinet according to claim 1, wherein the flange (1) is connected with the rotating shaft (2) through a ball bearing (5), the rotating shaft (2) is provided with a limiting boss (2-4) matched with the ball bearing (5) on one side, and the ball bearing (5) on the end part is connected through an elastic collar (6) for the shaft.
9. The load switch sealing device of an inflatable cabinet according to claim 1, wherein the flange (1) and/or the rotating shaft (2) are of an integrally formed structure.
10. An inflatable cabinet comprising a load switch seal, wherein the load switch seal is as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121575299.5U CN215185479U (en) | 2021-07-12 | 2021-07-12 | Aerify cabinet and load switch sealing device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121575299.5U CN215185479U (en) | 2021-07-12 | 2021-07-12 | Aerify cabinet and load switch sealing device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN215185479U true CN215185479U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121575299.5U Active CN215185479U (en) | 2021-07-12 | 2021-07-12 | Aerify cabinet and load switch sealing device thereof |
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| CN (1) | CN215185479U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117913690A (en) * | 2024-03-20 | 2024-04-19 | 四川电器集团中低压智能配电有限公司 | New forms of energy switchgear |
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2021
- 2021-07-12 CN CN202121575299.5U patent/CN215185479U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117913690A (en) * | 2024-03-20 | 2024-04-19 | 四川电器集团中低压智能配电有限公司 | New forms of energy switchgear |
| CN117913690B (en) * | 2024-03-20 | 2024-05-24 | 四川电器集团中低压智能配电有限公司 | New forms of energy switchgear |
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