CN206831011U - A kind of SW with outside ring - Google Patents
A kind of SW with outside ring Download PDFInfo
- Publication number
- CN206831011U CN206831011U CN201720463404.3U CN201720463404U CN206831011U CN 206831011 U CN206831011 U CN 206831011U CN 201720463404 U CN201720463404 U CN 201720463404U CN 206831011 U CN206831011 U CN 206831011U
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- Prior art keywords
- pad
- regulation handle
- ring
- metal positioning
- positioning ring
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Abstract
The utility model discloses a kind of SW with outside ring, is related to gasket seal technical field.The pad includes annular gasket main body (1), and the outermost of the gasket body (1) is metal positioning ring (11)；And it is arranged at least one regulation handle (2) on the outer circumference surface of the metal positioning ring (11).After SW with outside ring provided by the utility model is placed on flange sealing surface, it can ensure that gasket seal ring occurs without skew relative to flange sealing surface by regulation handle (2), and then avoid after flange fixes because pad skew brings extra device stop production to overhaul to work.The use reliability and agility of pad are greatly improved, production safety is not only ensure that while also reduces workload, ensures the long period safe operation of petrochemical equipment, improves production efficiency.
Description
Technical field
Gasket seal technical field is the utility model is related to, more particularly to a kind of SW with outside ring.
Background technology
In petroleum refining production process, feedstock oil, gas etc. need to be passed through obstructed petrochemical plant.Generally use by
The process pipe of flange connection connects different petrochemical plants.Typically, since petrochemical plant is more in inflammable
In explosive use environment, it is therefore desirable to ensure the overall tightness of petrochemical plant, prevent combustible fluid from leaking, particularly
Ensure that the sealing of process pipe flange connections is particularly significant.Pad is set to strengthen flange generally between two flanges
Connection sealing, prevent the flammable fluid in process duct from flowing out.Particularly SW with outside ring, be the most commonly used pad it
One.
SW with outside ring of the prior art has multiple ring bodies, ring body by metal or the winding of various packing materials and
Into being tightly sleeved from the inside to the outside between each ring body, the lateral surface of inner side ring body is close to the medial surface of adjacent ring body so that metal twines
Complete ring-type is presented around pad.When in use, SW with outside ring is placed on the flange being engaged by operating personnel by rule of thumb
Between.The edge of flange sealing surface is generally provided with multiple mounting holes, after pad is placed between the flange being engaged, using spiral shell
Bolt completes installation through the mounting hole on two flange peripheries, fixing bolt.After flange installs, bolt forms a circle, pad
Positioned at the inner side of bolt.
During the utility model is realized, designer has found that prior art at least has problems with：
During adpting flange, because pad is located at the inner side of bolt, it is difficult to position pad in flange connection procedure,
Easily there is the phenomenon of pad skew.Pad skew can cause the sealing between flange sealing surface and pad to reduce, so as to cause
Petrochemical plant leaks in pressure testing or after operation a period of time, has great potential safety hazard.And pad skew
Follow-up maintenance is complex, it usually needs stop production to overhaul, has a strong impact on manufacturing schedule.
Utility model content
In order to solve the problems, such as that SW with outside ring is easily offset in the prior art, the utility model embodiment provides one kind
SW with outside ring.It is specific as follows：
A kind of SW with outside ring, it is characterised in that the pad includes：
Annular gasket main body, the outermost of the gasket body is metal positioning ring；And
At least one regulation handle being arranged on the outer circumference surface of the metal positioning ring.
Preferably, the regulation handle is radially arranged along the gasket body.
Preferably, the consistency of thickness of the thickness of the regulation handle and the metal positioning ring.
Preferably, when the nominal diameter of the gasket body is less than 300mm, in the outer circumference surface of the metal positioning ring
On be provided with a regulation handle.
Preferably, when the nominal diameter of the gasket body is between 300mm~500mm, in the metal positioning ring
Outer circumference surface on be provided with two regulation handles.
Preferably, radial symmetric of two regulation handles on the gasket body.
Preferably, when the nominal diameter of the gasket body is more than 500mm, in the outer circumference surface of the metal positioning ring
On be provided with four regulation handles.
Preferably, outer circumference surface of four regulation handles along the metal positioning ring is uniformly arranged.
The beneficial effect brought of technical scheme that the utility model embodiment provides is：
In the SW with outside ring that the utility model embodiment provides, in the outer of the outermost metal positioning ring of gasket body
Regulation handle is set on periphery, after pad is placed on flange sealing surface, pad relative method can be ensured by regulation handle
Blue sealing surface occurs without skew, and then avoids after flange fixes because pad skew brings extra overhaul of the equipments work
Make.Technical scheme provided by the utility model greatly improves the use reliability and agility of pad, not only ensure that life
Production safety also reduces workload simultaneously, ensures the long period safe operation of petrochemical equipment, improves production efficiency.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of SW with outside ring structural representation that the utility model embodiment provides；
Fig. 2 is another SW with outside ring structural representation that the utility model embodiment provides；
Fig. 3 is another SW with outside ring structural representation that the utility model embodiment provides.
Each mark is respectively in accompanying drawing：
1. gasket body, 11. metal positioning rings, 2. regulation handles.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Type embodiment is described in further detail.
Referring to Fig. 1 to Fig. 3, the utility model embodiment provides a kind of SW with outside ring, and the pad includes：Air ring
Piece main body 1, the outermost of gasket body 1 is metal positioning ring 11；And it is arranged on the outer circumference surface of metal positioning ring 11
At least one regulation handle 2.
Motion of other packing materials that metal positioning ring 11 is used to limit pad along the radial direction of gasket body 1, ensures filling
Material tight is wound, and regulation handle 2 is set on the outer circumference surface of metal positioning ring 11, and regulation handle 2, which is used to adjust, helps, be steady
The fixed gasket body 1.When in use, SW with outside ring the utility model embodiment provided is placed on flange sealing surface
Afterwards, ensure that gasket body 1 occurs without skew relative to flange sealing surface by regulation handle 2, and then avoid fixing it in flange
Afterwards because pad skew causes extra overhaul of the equipments to work.The SW with outside ring that the utility model embodiment is provided is significantly
Its use reliability and agility are improved, production safety is not only ensure that while also reduces workload, ensures petrochemical industry
The long period safe operation of equipment, improve production efficiency.In addition guarantee pad is with respect to flange when regulation handle 2 is except for installing
It is fixed outer, also allow for carrying multiple pads being stacked together.Regulation handle 2 is set especially on large-sized pad, just
In carrying, pad is effectively avoided to be damaged in the handling process caused by dropping.
It is not specifically limited on the regulation handle 2 and the connected mode of metal positioning ring 11, such as can be by independent tune
Section handle 2 is welded on metal positioning ring 11；Or the mould of design dimension so that the regulation handle 2 and metal positioning
Ring 11 is integrally formed.In addition the shape of the regulation handle 2 is also not specifically limited, can is rectangle, square or arc hand
Handle etc..And regulation handle 2 being radially arranged along gasket body 1, or set with the radial direction of gasket body 1 into predetermined angle.
It should be noted that in the utility model embodiment, by regulation handle 2 and metal positioning ring 11 along gasket body
The size of 1 axial direction is referred to as the thickness of regulation handle 2 and the thickness of metal positioning ring 11.On the thickness of regulation handle 2, preferably
The thickness of the regulation handle 2 and the consistency of thickness of metal positioning ring 11, usually 5mm.When the thickness of regulation handle 2 is more than metal
During the thickness of locating ring 11, the connection between two flanges can be influenceed, gap is formed between flange sealing surface and pad, is reduced
Joint seal of flanges；When the thickness of regulation handle 2 is less than metal positioning ring 11, due to the thickness of itself of shim body 1 compared with
It is small, therefore regulation handle 2 can be caused to be connected unstable situation with metal positioning ring 11, such as regulation handle 2 occur and be broken, shadow
Ring the normal use of pad.
For the particular number of regulation handle 2, the utility model embodiment is also not particularly limited, those skilled in the art
It can be configured according to actual conditions.For example, the number of regulation handle 2 can be set according to the nominal diameter of gasket body 1
Amount.
Specifically, referring to Fig. 1, when the nominal diameter of gasket body 1 is less than 300mm, in the outer of metal positioning ring 11
A regulation handle 2 is provided with periphery.Now, the size of gasket body 1 is smaller, sets a regulation handle 2 completely may be used
To meet need of work.Multiple regulation handles 2 are set also to increase pad processing on foot in the less gasket body 1 of size simultaneously
Difficulty.
Referring to Fig. 2, when the nominal diameter of gasket body 1 is 300mm~500mm, in the excircle of metal positioning ring 11
Two regulation handles 2 are provided with face.Pad now is the pad of medium size, if only setting a regulation handle 2, is being pacified
It is not easy to reach balance during dress, operation tool acquires a certain degree of difficulty.Therefore in order to reach more preferable using effect, while do not increase extra
Cost of manufacture, the pad of medium size set 2 regulation handles.And preferably, the two regulation handles 2 are on gasket body 1
Radial symmetric set, i.e., angle is 180 ° between adjacent regulation handle 2.
, can on the outer circumference surface of metal positioning ring 11 when the nominal diameter of gasket body 1 is more than 500mm referring to Fig. 3
It is convenient to be operated in multi-angle so that pad to be provided with four regulation handles 2, or more regulation handles 2, such as six etc.
Piece is installed in place.And because the size of now pad is larger, if handle 2 is arbitrarily arranged on metal positioning ring 11, Ke Nengzao
It is overall because deflection occurs in use in weight asymmetry into pad, or cause big chi for unbalance stress in the handling process
Very little pad damage.Therefore preferably outer circumference surface of the regulation handle 2 along metal positioning ring 11 is uniformly arranged, i.e., adjacent regulation handle 2
Between angle be 90 °.
In addition, it will be appreciated by persons skilled in the art that for the ease of using, the width of regulation handle 2 need to be less than phase
Spacing between adjacent two bolts, the length of regulation handle 2 need to cause regulation handle 2 to may pass through connecting bolt and extend outside flange
Side.Specifically, the length of regulation handle 2 can be set according to the diameter of gasket body 1.For example, small size pad (pad master
The nominal diameter ＜ 300mm of body 1) the length of regulation handle 2 can be 300mm, 350mm, 400mm etc.；Medium size pad
The length of the regulation handle 2 of (nominal dimension of gasket body 1 is 300mm~500mm) can be 450mm, 500mm, 550mm
Deng；The length of the regulation handle 2 of large scale pad (the nominal diameter ＞ 500mm of gasket body 1) can be 600mm, 650mm
Deng.
The SW with outside ring that the utility model embodiment provides can be that metal winds asbestos washer, metal winds rubber
Pad etc., is not specifically limited.
To sum up, the SW with outside ring of the utility model embodiment offer has easy to use, reliable, installs stable spy
Point, security incident caused by pad skew is effectively avoided when installation, and then improves device security.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (8)
1. a kind of SW with outside ring, it is characterised in that the pad includes：
Annular gasket main body (1), the outermost of the gasket body (1) is metal positioning ring (11)；
And
At least one regulation handle (2) being arranged on the outer circumference surface of the metal positioning ring (11).
2. SW with outside ring according to claim 1, it is characterised in that the regulation handle (2) is along the pad master
Body (1) is radially arranged.
3. SW with outside ring according to claim 1, it is characterised in that the thickness of the regulation handle (2) with it is described
The consistency of thickness of metal positioning ring (11).
4. SW with outside ring according to claim 1, it is characterised in that when the nominal diameter of the gasket body (1)
During less than 300mm, a regulation handle (2) is provided with the outer circumference surface of the metal positioning ring (11).
5. SW with outside ring according to claim 1, it is characterised in that when the nominal diameter of the gasket body (1)
When between 300mm~500mm, two regulation handles are provided with the outer circumference surface of the metal positioning ring (11)
(2)。
6. SW with outside ring according to claim 5, it is characterised in that two regulation handles (2) are on described
The radial symmetric of gasket body (1).
7. SW with outside ring according to claim 1, it is characterised in that when the nominal diameter of the gasket body (1)
During more than 500mm, four regulation handles (2) are provided with the outer circumference surface of the metal positioning ring (11).
8. SW with outside ring according to claim 7, it is characterised in that four regulation handles (2) are along the gold
The circumferencial direction of the outer circumference surface of category locating ring (11) is uniformly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720463404.3U CN206831011U (en) | 2017-04-28 | 2017-04-28 | A kind of SW with outside ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720463404.3U CN206831011U (en) | 2017-04-28 | 2017-04-28 | A kind of SW with outside ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206831011U true CN206831011U (en) | 2018-01-02 |
Family
ID=60769150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720463404.3U Active CN206831011U (en) | 2017-04-28 | 2017-04-28 | A kind of SW with outside ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206831011U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375133A (en) * | 2018-04-12 | 2019-10-25 | 石川密封垫板有限责任公司 | Gasket |
| CN111730525A (en) * | 2020-06-11 | 2020-10-02 | 中国海洋石油集团有限公司 | All-surrounding type underwater flange metal annular gasket mounting tool |
-
2017
- 2017-04-28 CN CN201720463404.3U patent/CN206831011U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375133A (en) * | 2018-04-12 | 2019-10-25 | 石川密封垫板有限责任公司 | Gasket |
| CN111730525A (en) * | 2020-06-11 | 2020-10-02 | 中国海洋石油集团有限公司 | All-surrounding type underwater flange metal annular gasket mounting tool |
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