CN204628549U - A kind of new structure being applied to sealing - Google Patents
A kind of new structure being applied to sealing Download PDFInfo
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- CN204628549U CN204628549U CN201520248865.XU CN201520248865U CN204628549U CN 204628549 U CN204628549 U CN 204628549U CN 201520248865 U CN201520248865 U CN 201520248865U CN 204628549 U CN204628549 U CN 204628549U
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Abstract
The utility model relates to a kind of new structure being applied to sealing, it comprises first contact (1) with the first surface of contact (11) and second contact (2) with the second surface of contact (21), described first surface of contact (11) and described second surface of contact (21) contact with each other to form sealing pair, at least one in described first surface of contact (11) and described second surface of contact (21) is configured to concavo-convex, to form at least one cavity (3).The new structure being applied to sealing of the present utility model, has good sealing reliability.
Description
Technical field
The utility model relates to a kind of new structure being applied to sealing.
Background technique
At present, in the structure of application sealing, between two surface of contact, often produce penetrability gap, the reliability of sealing is reduced greatly.
To have the equipment of flange arrangement, usually bolton is carried out to flange, to provide sealing by fastening pressure.But, especially in the high pressure machine for doing work such as pressurized container, steam turbine, gas turbine, diesel engine, gas and oil machine, often there is leakage phenomenon in this kind equipment.The reason of this leakage phenomenon is, flange arrangement inside and outside differential pressure is comparatively large and the sidewall of flange arrangement is tilted or bolt strained inequality, and then makes flange occur penetrability gap.To high temperature pressure vessel, very difficult gasket seal or be coated with sealing material in the middle of the flange and realize sealing in prior art.
Model utility content
(1) technical problem that will solve
The technical problems to be solved in the utility model is to provide a kind of new structure being applied to sealing with better sealing reliability.
(2) technological scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of new structure being applied to sealing, comprise first contact with the first surface of contact and second contact with the second surface of contact, first surface of contact and the second surface of contact contact with each other to form sealing pair, at least one in first surface of contact and the second surface of contact is configured to concavo-convex, to form at least one cavity.
According to the utility model, the first surface of contact and the second surface of contact form a cavity, and are formed by the isolated main seal face of cavity and auxiliary seal face; Wherein, auxiliary seal face is positioned at the outside of main seal face.
According to the utility model, the first surface of contact and the second surface of contact form at least two cavitys, and form a main seal face and at least two auxiliary seal faces, between main seal face and auxiliary seal face and at least two auxiliary seal faces to pass through cavity each other spaced apart; Wherein, all auxiliary seal faces are positioned at the outside of main seal face.
According to the utility model, the new structure being applied to sealing is flange arrangement, and the first contact and the second contact are flange.
According to the utility model, the axis of the mounting hole of the first contact and the second contact is all through main seal face.
According to the utility model, in the arbitrary cross section of flange arrangement, all there is cavity.
According to the utility model, in the arbitrary cross section of flange arrangement, the shape and size of cavity are all identical.
According to the utility model, main seal face and auxiliary seal face are coplanar or stagger up and down each other.
According to the utility model, cavity is arranged in one of the first contact and the second contact; Or a part for cavity is positioned at the first contact, another part is positioned at the second contact.
According to the utility model, the first contact is piston, and the second contact is cylinder body.
(3) beneficial effect
Technique scheme tool of the present utility model has the following advantages:
New structure sealing configuration for sealing of the present utility model, at least one in first surface of contact of the first contact wherein and the second surface of contact of the second contact is configured to concavo-convex, is formed at least one cavity during to contact with each other at the first surface of contact and the second surface of contact and to form sealing pair.Thus, the first surface of contact and the second surface of contact form at least two isolated, relatively independent seal faces at the place of leaning.Due to the existence of cavity, the new structure being applied to sealing is larger in the flexibility of the part at cavity place, when penetrability gap appears in relatively inner seal face, the compression effect of relatively outer seal face is still better, and then ensure that this is applied to the sealing of the new structure of sealing.Therefore, the new structure being applied to sealing of the present utility model comparatively prior art there is better sealing reliability.
Accompanying drawing explanation
Fig. 1 is the partial schematic diagram being applied to the embodiment one of the new structure of sealing of the present utility model, and wherein, this new structure being applied to sealing is flange arrangement;
Fig. 2 is the partial schematic diagram being applied to the embodiment two of the new structure of sealing of the present utility model, and wherein, this new structure being applied to sealing is flange arrangement;
Fig. 3 is the partial schematic diagram being applied to the embodiment three of the new structure of sealing of the present utility model, and wherein, this new structure being applied to sealing is flange arrangement;
Fig. 4 is the generalized section being applied to the embodiment four of the new structure of sealing of the present utility model, and wherein, this first contact being applied in the new structure of sealing is piston, and the second contact is cylinder body.
In figure: 1: the first contact; 2: the second contacts; 3: cavity; 4: main seal face; 5: auxiliary seal face; 6: transformation gas; 11: the first surface of contact; 21: the second surface of contact.
Embodiment
For making the object of the utility model embodiment, technological scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, belongs to the scope of the utility model protection.
Referring to figs. 1 through Fig. 4, the new structure being applied to sealing of the present utility model comprises the first contact 1 and the second contact 2, first contact 1 has the first surface of contact 11, second contact 2 and has the second surface of contact 21, first surface of contact 11 and the second surface of contact 21 contacts with each other to form sealing pair.Wherein, at least one in the first surface of contact 11 and the second surface of contact 21 is configured to concavo-convex, to be formed at least one cavity 3 when the first surface of contact 11 contacts with the second surface of contact 21.In other words, in prior art, the first surface of contact 11 and the second surface of contact 21 are smooth surface, do not have space in the middle of when the two is abutted together.And in the utility model, the first surface of contact 11 and/or the second surface of contact 21 are configured to concavo-convex, therefore, when the two is abutted together, recessed part can construct cavity 3.
Thus, the first surface of contact and the second surface of contact form at least two isolated, relatively independent seal faces at the place of leaning.Due to the existence of cavity, the new structure being applied to sealing is larger in the flexibility of the part at cavity place, when penetrability gap appears in relatively inner seal face, the compression effect of relatively outer seal face is still better, and then ensure that this is applied to the sealing of the new structure of sealing.Therefore, the new structure being applied to sealing of the present utility model comparatively prior art there is better sealing reliability.Wherein, namely the direction of fluid leakage is by the direction outside interior sensing.
Embodiment one
With reference to Fig. 1, be applied in an embodiment of the new structure of sealing of the present utility model, the new structure being applied to sealing is flange arrangement, first Sealing 1 and the second Sealing 2 are flange, at this, for convenience of describing, the first Sealing 1 is the first flange, and the second Sealing 2 is the second flange.By such as bolt connection etc., first flange and the second flange well known to a person skilled in the art that method is connected to each other.And the first surface of contact 11 and the second surface of contact 21 are the attachment face of flange, the attachment face of flange is relative when two flanges are connected to each other and be abutted together two surfaces, and these two surfaces contact with each other and constitute sealing pair.In this case convenient description, the first surface of contact 11 is the first attachment face, and the second surface of contact 21 is the second attachment face.
In the present embodiment, due to the existence of cavity 3, flange arrangement is larger in the flexibility of the part at cavity 3 place, when relatively there is penetrability gap near the seal face of the inwall of the first flange and the second flange, compression effect relatively away from the seal face of the inwall of the first flange and the second flange is still better, and then ensure that the sealing of the new structure being applied to sealing.Therefore, the new structure being applied to sealing of the present utility model comparatively prior art there is better sealing reliability.
Continue with reference to Fig. 1, particularly, in the present embodiment, the first attachment face and the second attachment face form a cavity 3, and are formed by the isolated main seal face 4 of cavity 3 and auxiliary seal face 5, and wherein, auxiliary seal face 5 is positioned at the outside of main seal face 4.That is, the fluid being applied to the new structure inside of sealing is the direction being pointed to auxiliary seal face 5 by main seal face 4 to the direction of outward leakage.Can understand, after the first flange and the second flange are connected to each other, namely after the first attachment face and the second attachment face lean, the part being positioned at cavity 3 side of the first attachment face and the second attachment face leans formation seal face, and the first attachment face and leaning in the part of cavity 3 opposite side of the second attachment face form another seal face.In other words, seal face (main seal face, auxiliary seal face) is the face group that two part surfaces be abutted together by the first attachment face and the second attachment face are formed jointly.Certainly, in the embodiment of other non-flange arrangements, seal face (main seal face, auxiliary seal face) is the face group that two part surfaces be abutted together by the first surface of contact 11 and the second surface of contact 21 are formed jointly.
In addition, in the present embodiment, first attachment face and the second attachment face are all configured to concavo-convex, a part for cavity 3 is made to be positioned at the first flange, another part is positioned at the second flange, and the main seal face 4 formed and auxiliary seal face 5 parallel to each other and stagger up and down, namely main seal face 4 and auxiliary seal face 5 parallel to each other and not coplanar.Further, the axis of the mounting hole of the first flange and the second flange is all through main seal face 4.Can understand, the axis that main seal face 4 is mounted hole passes, and the area of main seal face 4 is greater than the area of auxiliary seal face 5, and namely main seal face 4 more auxiliary seal face 5 when not producing penetrability gap bears larger impacting force.Wherein, mounting hole is the hole when connection first flange and the second flange for fastening pieces such as construction bolts.
In addition, in the present embodiment, in the arbitrary cross section of flange arrangement, all there is cavity 3, thereby, it is possible to make all having of flange arrangement seal comparatively reliably everywhere.Wherein, the cross section of flange is the cross section perpendicular with flange bearing of trend.Further, when extending to form a flange by cross section as shown in Figure 1 along the direction perpendicular to paper, the imaginary plane of this flange is a cambered surface of being extended perpendicular to paper direction by camber line edge.When by cross section as shown in Figure 1 around an axis rotate form a flange time, the imaginary plane of this flange to be rotated around this axis by camber line and forms and be circular.
Preferably, in the arbitrary cross section of flange arrangement, the shape and size of cavity 3 are all identical.Can obtain like this evenly sealing reliability, prevent the sealing reliability at certain of flange arrangement or a few place poor.
More specifically, in the present embodiment, in the cross section of flange arrangement, the shape of cavity 3 is rectangle, and main seal face 4 and auxiliary seal face 5 are straight line.
Embodiment two
With reference to Fig. 2, the difference of the present embodiment and embodiment one is, in the cross section of flange arrangement, the shape of cavity 3 is circle, and main seal face 4 and auxiliary seal face 5 coplanar.
Embodiment three
With reference to Fig. 3, the difference of the present embodiment and embodiment one is, cavity 3 is arranged in one (being shown in Figure 3 at the first flange) of the first flange and the second flange, and in the cross section of flange arrangement, the shape of cavity 3 is square.
Certainly, the utility model is not limited to above-mentioned three embodiments, in other alternative-embodiments, first attachment face and the second attachment face can form at least two cavitys 3, and form a main seal face 4 and at least two auxiliary seal faces 5, between main seal face 4 and auxiliary seal face 5 and at least two auxiliary seal faces 5 spaced apart by cavity 3 each other, wherein, all auxiliary seal faces 5 are positioned at the outside of main seal face 4.Further, preferably, all there is in the arbitrary cross section of flange arrangement all cavitys 3, thus form multiple parallel cavity 3, and form the parallel main seal face 4 and multiple auxiliary seal face 5 that are spaced.
In addition, the position relationship of main seal face 4 and auxiliary seal face 5 is not limited to above-mentioned two kinds, and it can be configured to such as not parallel and any orientation such as mutually to stagger.
Embodiment four
With reference to Fig. 4, in the present embodiment, the first contact 1 be applied in the new structure of sealing of the present utility model is piston, and the second contact 2 is cylinder body.First surface of contact 11 is the periphery wall of piston, and the second surface of contact 21 is the inwall of cylinder body, can the contact of relative sliding between the periphery wall of piston and the inwall of cylinder body, constitutes sealing pair.
In the present embodiment, only the periphery wall of piston is configured to concavo-convex, that is, the cavity 3 of formation is only positioned at piston.
In addition, in the present embodiment, define a main seal face and a secondary seal face, and auxiliary seal face is positioned at the outside of main seal face, in other words, the direction being pointed to auxiliary seal face by main seal face is the direction of transformation gas 6 to outward leakage.
In addition, cavity 3 extends in the form of a ring continuously around the axis of piston.Thereby, it is possible to make flange arrangement all there is sealing everywhere comparatively reliably.
Certainly, the utility model is not limited to the structure that above-mentioned flange arrangement and piston and cylinder body form.For the general structure needing sealing, as long as there is the structure that can increase seal face flexibility by arranging cavity, the structure shown in the utility model can be adopted.
Complex chart 1 is to embodiment illustrated in fig. 4, and other unshowned embodiments of the present utility model, and this new structure being applied to sealing is preferably the structure being applied to sealing in pressure chamber or negative-pressure vacuum container.In these containers, more need the new structure being applied to sealing with better sealing reliability.
The first involved herein contact and the second contact can be the independent part (such as flange plate) that is connected on other equipment or also can be integrally formed in (i.e. a part for other equipment) on other equipment.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment's technological scheme of the utility model.
Claims (10)
1. one kind is applied to the new structure of sealing, comprise first contact (1) with the first surface of contact (11) and second contact (2) with the second surface of contact (21), described first surface of contact (11) and described second surface of contact (21) contact with each other to form sealing pair, it is characterized in that:
At least one in described first surface of contact (11) and described second surface of contact (21) is configured to concavo-convex, to form at least one cavity (3).
2. the new structure being applied to sealing according to claim 1, is characterized in that:
Described first surface of contact (11) and described second surface of contact (21) form a described cavity (3), and are formed by the isolated main seal face (4) of described cavity (3) and auxiliary seal face (5);
Wherein, described auxiliary seal face (5) is positioned at the outside of described main seal face (4).
3. the new structure being applied to sealing according to claim 1, is characterized in that:
Described first surface of contact (11) and described second surface of contact (21) form at least two cavitys (3), and form a main seal face (4) and at least two auxiliary seal faces (5), between described main seal face (4) and described auxiliary seal face (5) and described at least two auxiliary seal faces (5) each other by described cavity (3) spaced apart;
Wherein, all described auxiliary seal faces (5) are positioned at the outside of described main seal face (4).
4. the new structure being applied to sealing according to Claims 2 or 3, is characterized in that:
The described new structure being applied to sealing is flange arrangement, and described first contact and described second contact are flange.
5. the new structure being applied to sealing according to claim 4, is characterized in that:
The axis of the mounting hole of described first contact (1) and described second contact (2) is all through described main seal face (4).
6. the new structure being applied to sealing according to claim 4, is characterized in that:
In the arbitrary cross section of described flange arrangement, all there is described cavity (3).
7. the new structure being applied to sealing according to claim 6, is characterized in that:
In the arbitrary cross section of described flange arrangement, the shape and size of described cavity (3) are all identical.
8. the new structure being applied to sealing according to claim 4, is characterized in that:
Described main seal face (4) and described auxiliary seal face (5) are coplanar or stagger up and down each other.
9. the new structure being applied to sealing according to claim 1, is characterized in that:
Described cavity (3) is arranged in one of described first contact (1) and described second contact (2); Or
A part for described cavity (3) is positioned at described first contact (1), and another part is positioned at described second contact (2).
10. the new structure being applied to sealing according to claim 1, is characterized in that:
Described first contact is piston, and described second contact is cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520248865.XU CN204628549U (en) | 2015-04-22 | 2015-04-22 | A kind of new structure being applied to sealing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520248865.XU CN204628549U (en) | 2015-04-22 | 2015-04-22 | A kind of new structure being applied to sealing |
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| Publication Number | Publication Date |
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| CN204628549U true CN204628549U (en) | 2015-09-09 |
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| CN201520248865.XU Active CN204628549U (en) | 2015-04-22 | 2015-04-22 | A kind of new structure being applied to sealing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107816718A (en) * | 2017-11-10 | 2018-03-20 | 浙江帅康电气股份有限公司 | A kind of atmospheric burner |
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2015
- 2015-04-22 CN CN201520248865.XU patent/CN204628549U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107816718A (en) * | 2017-11-10 | 2018-03-20 | 浙江帅康电气股份有限公司 | A kind of atmospheric burner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Be applied to sealed new mechanism Effective date of registration: 20161104 Granted publication date: 20150909 Pledgee: Tsinghua Holdings Co., Ltd. Pledgor: Beijing Huatsing Gas Turbine & IGCC Technology Co., Ltd. Registration number: 2016990000853 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20191211 Granted publication date: 20150909 Pledgee: Tsinghua Holdings Co., Ltd. Pledgor: Beijing Huatsing Gas Turbine & IGCC Technology Co., Ltd. Registration number: 2016990000853 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |