CN205101554U - Sealing device - Google Patents
Sealing device Download PDFInfo
- Publication number
- CN205101554U CN205101554U CN201520867616.9U CN201520867616U CN205101554U CN 205101554 U CN205101554 U CN 205101554U CN 201520867616 U CN201520867616 U CN 201520867616U CN 205101554 U CN205101554 U CN 205101554U
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- ring
- seal ring
- tank body
- seal
- locating piece
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Abstract
The utility model discloses a sealing device for the setting is between one jar of body and one jar of door, and sealing device includes sealing washer, first setting element and second setting element, the sealing washer is located between jar body and the jar door, and the sealing washer is the lip seal circle, first setting element is fixed in a jar body, and is located the sealing washer outside, the second setting element is fixed in a jar body, and is located the sealing washer inboard, first setting element and the 2nd positioning element position fixing sealing washer are on the jar body to form sealedly between the jar body and jar door. The utility model provides a sealing device adopts the lip seal circle as the sealing member, compares in current sealing members such as O shape sealing washer or dysmorphism circles, has reduced required pretightning force when sealed. Because the sealing washer is stressed and reduces, the life of sealing washer has effectively been prolonged. Along with the improvement of vacuum in the jar, the lip seal circle pastes tight jar of door sealing ring rapidly under the atmosphere pressure effect, and the lip seal circle is tight more with jar laminating degree of door sealing ring, and the leakproofness is more reliable.
Description
Technical field
The utility model designs tank body technical field of sealing technology on the whole, in particular to a kind of seal arrangement for being arranged between tank body and tank door.
Background technique
The square vacuum drying tank of transformation method drying equipment and Kerosene Vapour-Phase Drying Device, due to bulky, the sealing surface of dry can tank mouth cannot carry out integrated type machining, employing be segmentation processing, the mode of welding makes.Soldering group on time degree of accuracy, welding stress, welding deformation and sealing surface itself the factors such as straightness impact under, the planeness after sealing surface welding is difficult to ensure, the impact of this sealability for seal arrangement is all very large.And the requirement of vacuum drying tank to sealing is very high, leak-down rate must control in a very little index.The leakage rate of vacuum tank, what have the greatest impact is exactly the sealing of jar opening sealer.In addition, high vacuum, the huge pressure that tank door produces is applied on seal ring, and this proposes higher requirement of withstand voltage to seal arrangement.
Existing jar opening sealer has the seal arrangement of several form such as single O shape ring type, single special-shaped ring type usually.Due to the structural feature of self, all there is short, the defect such as sealing reliability is poor in working life in this several seal arrangement.As shown in Figure 1a, single seal with O ring device 50 is sealed between the tank body seal ring 30 of tank body 10 and the tank door sealing ring 40 of tank door 20, and single seal with O ring device 50 is fixed on tank body seal ring 30 by press strip 70.The structure of this seal arrangement is simple, but needs larger pretightening force seal ring and sealing surface could be fitted completely, to reach good sealing effect.Because tank body 10 rear tank door 20 of finding time bears huge atmospheric pressure major part and born by seal ring, cause seal ring easily by pressure break, shorten the working life of seal ring.As shown in Figure 1 b, single special-shaped ring seal device 60 is sealed between the tank body seal ring 30 of tank body 10 and the tank door sealing ring 40 of tank door 20, and single special-shaped ring seal device 60 is fixed on tank body seal ring 30 by press strip 70.Single special-shaped ring seal device 60 is similar to single seal with O ring device 50, and sealing is also similar to single seal with O ring device 50.Because single special-shaped ring seal device 60 adopts hollow structure, required pretightening force is slightly less than single seal with O ring device 50, and working life is slightly long, but still cannot meet related domain completely to sealability and the requirement in working life.
Model utility content
A main purpose of the present utility model is to overcome the not good and technical problem that working life is shorter of above-mentioned existing seal arrangement sealing effect, provides a kind of seal arrangement.
For solving the problems of the technologies described above, the utility model adopts following technological scheme:
According to an aspect of the present utility model, provide a kind of seal arrangement, for being arranged between a tank body and a tank door, wherein, described seal arrangement comprises seal ring, the first locating piece and the second locating piece; Described seal ring is located between described tank body and described tank door, and described seal ring is lip-type packing; Described first locating piece is fixed on described tank body, and is positioned at outside described seal ring; Described second locating piece is fixed on described tank body, and is positioned at inside described seal ring; Described first locating piece and the second locating piece fix described seal ring on described tank body, seal to be formed between described tank body and described tank door.
According to one of them mode of execution of the present utility model, have groove outside described seal ring, described first locating piece part stretches into described groove, with the described seal ring that is fixed.
According to one of them mode of execution of the present utility model, described first locating piece is press strip, and described press strip has fixing part and engagement portion, and described fixing part is fixed on described tank body, and described groove is stretched in described engagement portion.
According to one of them mode of execution of the present utility model, described second locating piece is back-up ring, is resisted against inside described seal ring outside described back-up ring.
According to one of them mode of execution of the present utility model, described seal arrangement also comprises tank body seal ring and tank door sealing ring; Described tank body seal ring is fixed on described tank body; Described tank door sealing ring to be fixed on described tank door and to be oppositely arranged with described tank body seal ring; Described seal ring, the first locating piece and the second locating piece are all located on described tank body seal ring.
According to another fermentation of the present utility model, provide a kind of seal arrangement, for being arranged between a tank body and a tank door, wherein, described seal arrangement comprises seal ring, the first locating piece and the second locating piece; Described seal ring is located between described tank body and described tank door, and described seal ring is lip-type packing; Described first locating piece is fixed on described tank door, and is positioned at outside described seal ring; Described second locating piece is fixed on described tank door, and is positioned at inside described seal ring; Described first locating piece and the second locating piece fix described seal ring on described tank door, seal to be formed between described tank body and described tank door.
According to one of them mode of execution of the present utility model, have groove outside described seal ring, described first locating piece part stretches into described groove, with the described seal ring that is fixed.
According to one of them mode of execution of the present utility model, described first locating piece is press strip, and described press strip has fixing part and engagement portion, and described fixing part is fixed on described tank door, and described groove is stretched in described engagement portion.
According to one of them mode of execution of the present utility model, described second locating piece is back-up ring, is resisted against inside described seal ring outside described back-up ring.
According to one of them mode of execution of the present utility model, described seal arrangement also comprises tank body seal ring and tank door sealing ring; Described tank body seal ring is fixed on described tank body; Described tank door sealing ring to be fixed on described tank door and to be oppositely arranged with described tank body seal ring; Described seal ring, the first locating piece and the second locating piece are all located on described tank door sealing ring.
As shown from the above technical solution, the beneficial effects of the utility model are: the seal arrangement that the utility model proposes, and adopt lip-type packing as Sealing, compared to O-ring seals or existing Sealing such as abnormity circle etc., and required pretightening force when reducing sealing.Because seal ring pressure reduces, effectively extend the working life of seal ring.Along with the raising of degree of vacuum in tank, lip-type packing, under atmospheric pressure effect, is adjacent to rapidly tank door sealing ring, and the laminating degree of lip-type packing and tank door sealing ring is tighter, and sealing is more reliable.
Accompanying drawing explanation
Consider the following detailed description to preferred embodiment of the present utility model in conjunction with the drawings, various target of the present utility model, feature and advantage will become more apparent.Accompanying drawing is only exemplary diagram of the present utility model, and not necessarily is drawn in proportion.In the accompanying drawings, same reference character represents same or similar parts all the time.Wherein:
Fig. 1 a is a kind of partial schematic sectional view of existing seal arrangement;
Fig. 1 b is the partial schematic sectional view of another kind of existing seal arrangement;
Fig. 2 is the partial schematic sectional view of a kind of seal arrangement according to an illustrative embodiments.
Wherein, description of reference numerals is as follows:
10. tank body; 20. tank doors; 30. tank body seal rings; 40. tank door sealing rings; 50. single seal with O ring devices; 60. single special-shaped ring seal devices; 70. press strips; 1. tank body; 2. tank door; 31. seal rings; 32. press strips; 321. fixing part; 322. engagement portion; 33. back-up rings; 34. tank body seal rings; 35. tank door sealing rings; 36. fixing bolts; 37. fixing bolts.
Embodiment
More fully example embodiment is described referring now to accompanying drawing.But feature, structure or the characteristic described by following mode of execution can be combined in one or more mode of execution in any suitable manner.In the following description, provide many details thus provide fully understanding mode of execution of the present utility model.But, one of skill in the art will appreciate that and can put into practice the technical solution of the utility model and not have in described specific detail one or more, or other method, assembly, material etc. can be adopted.In other cases, known features, material or operation is not shown specifically or describes to avoid fuzzy each side of the present utility model.
Mode of execution one
As shown in Figure 2, it represents the partial schematic sectional view of the seal arrangement illustrated according to the present embodiment.Sealing device may be used for being arranged between a tank body 1 and a tank door 2, seals, such as but not limited to the sealing of large-scale vacuum tank tank mouth to be formed between tank body 1 and tank door 2.In the present embodiment, sealing device mainly comprises seal ring 31, the first locating piece such as but not limited to press strip 32, the second locating piece such as but not limited to back-up ring 33, tank body seal ring 34 and tank door sealing ring 35.
As shown in Figure 2, in the present embodiment, seal ring 31 is located between tank body 1 and tank door 2, and seal ring 31 is lip-type packing.Wherein, lip-type packing compared to O-ring seals or existing Sealing such as abnormity circle etc., required pretightening force when reducing sealing.Because seal ring 31 pressure reduces, effectively extend the working life of seal ring 31.Along with the raising of degree of vacuum in tank, lip-type packing, under atmospheric pressure effect, is adjacent to rapidly tank door sealing ring 35, and the laminating degree of lip-type packing and tank door sealing ring 35 is tighter, and sealing is more reliable.
As shown in Figure 2, in the present embodiment, press strip 32 is fixed on tank body 1, and is positioned at outside seal ring 31.Back-up ring 33 is fixed on tank body 1, and is positioned at inside seal ring 31.Press strip 32 and back-up ring 33 common by positioning seal ring 31 on tank body 1.Wherein, the design of the position structure of above-mentioned seal ring 31, under the prerequisite ensureing sealing reliability energy, reduces site operation difficulty, reduces human cost simultaneously.
It should be noted that shown in accompanying drawing and the seal arrangement described in this manual at this, is only an example that can adopt in many kinds of seal arrangements of the utility model principle.It should be clearly understood that principle of the present utility model is only limitted to absolutely not any details of the seal arrangement described shown in accompanying drawing or in this specification or any parts of seal arrangement.
Such as, be not intended to meet principle of the present utility model, as shown in Figure 2, in the present embodiment, outside seal ring 31, there is groove.And press strip 32 has fixing part 321 and engagement portion 322.Wherein, fixing part 321 is fixed on tank body 1, and engagement portion 322 is stretched in the groove of seal ring 31, with the seal ring 31 that is fixed.
It should be noted that, not in all mode of executions of the present utility model, press strip 32 all has fixing part 321 and engagement portion 322.Further, the first locating piece also non-essential press strip 32 selecting foregoing description.Such as, in other embodiments, press strip 32 can select other structures flexibly, but should ensure that a wherein part for press strip 32 can stretch in the groove of seal ring 31, to reach the effect of the seal ring 31 that is fixed.
From the above, because seal ring 31 is lip-type packing, and the outside of lip-type packing has trench structure, namely can be used as above-mentioned groove, therefore the part-structure of the such as engagement portion 322 of press strip 32 can directly by stretching into above-mentioned trench structure, the function of the seal ring 31 that realizes being fixed.But said structure is not meaned in other mode of executions of the present utility model, wherein a part of structure of the first locating piece must stretch in the trench structure of such as groove of seal ring 31.It is easily understood that the first locating piece can select the various structures form beyond card article, and by realizing to seal ring 31 engaging function with the multi-form linkage structure of seal ring 31.
In addition, as shown in Figure 2, in the present embodiment, the fixed relationship of press strip 32 or its fixing part 321 and tank body 1 be realized by the fixing bolt 36 of both connections, and this fixing bolt 36 can be preferably socket head screw.Those skilled in the art can to the above-mentioned selection being fixedly connected with mode or connecting element make multiple remodeling, interpolation or substitute etc. change, and these change all in the scope of principle of the present utility model.Further, back-up ring 33 is also fixed on tank body 1 by fixing bolt 37, and this fixing bolt 37 also can be preferably socket head screw.
Same, be not intended to meet principle of the present utility model, as shown in Figure 2, in the present embodiment, be resisted against outside back-up ring 33 inside seal ring 31.It should be noted that, not in all mode of executions of the present utility model, the second locating piece all selects back-up ring 33 or similar structure.It is easily understood that the second locating piece can select the various structures form beyond back-up ring 33, and by realizing to seal ring 31 engaging function with the multi-form linkage structure of seal ring 31.
And for example, be not intended to meet principle of the present utility model, as shown in Figure 2, tank body seal ring 34 is fixed on tank body 1, and tank door sealing ring 35 to be fixed on tank door 2 and to be oppositely arranged with tank body 1 seal ring 31.Seal ring 31, press strip 32 and back-up ring 33 are all located on tank body seal ring 34.It should be noted that, not in all mode of executions of the present utility model, tank body seal ring 34 and tank door sealing ring 35 all must be set.Those skilled in the art can make multiple remodeling, interpolation to the setting of above-mentioned tank body seal ring 34 and tank door sealing ring 35, substitute or the change such as deletion, and these changes are all in the scope of principle of the present utility model.
In order to more in depth understand principle of the present utility model, below in conjunction with above-mentioned mode of execution, for large-scale vacuum tank Jar opening sealer work flow, brief description is carried out to the installation of the seal arrangement that the utility model proposes and testing process.
First fix on tank body 1 and tank door 2 respectively or process tank body seal ring 34 and tank door sealing ring 35.Wherein, tank body seal ring 34 welds with the flange tightness of tank mouth, and surface is provided with tapped hole, so that the fixing part 321 of fixing press strip 32.Then utilize hexagon socket head cap screw to be fixed on tank body 1 by press strip 32, be namely fixed location by the outside of press strip 32 pairs of seal rings 31.Utilize hexagon socket head cap screw to be also fixed on tank body 1 by back-up ring 33 simultaneously, namely support location by the inner side of back-up ring 33 pairs of seal rings 31.So far, namely by press strip 32 and back-up ring 33, seal ring 31 is positioned on tank body seal ring 34.In addition, tank door sealing ring 35 welds with the flange tightness of tank door 2.
Further, in the working process of tank body 1, preferably first segmentation processing tank body seal ring 34, tank door sealing ring 35 and press strip 32, each part section length is identical.Again press strip 32 and tank body seal ring 34 are joined auger shell keyhole, then bore pressure testing hole, fix with socket head screw after joining brill, one_to_one corresponding carries out mark, takes mixed when preventing from installing.During Assembling, by tank body seal ring 34 and tank door sealing ring 35 by corresponding order respectively with tank body 1 and tank door 2 assembly welding, need during assembly welding to ensure that the deviations from planarity of each sealing surface (tank body seal ring 34 and tank door sealing ring 35) is preferably less than or equal to 3 millimeters, and open cut through welding at joint.After welding, butt weld is polished flat, adopts oilstone polishing.In order to detect the tightness after the welding of each sealing surface, preferably, 0.6 MPa pressurized air is connect at pressure testing hole place, soap solution are utilized to check weld joint air-tight, after confirming that tightness is qualified, seal ring 31 can be installed, namely by press strip 32, back-up ring 33 and socket head screw, seal ring 31 engagement pressure be fastened.So far, the installation to the seal arrangement that the utility model proposes namely is completed.
Mode of execution two
In order to further illustrate principle of the present utility model, below exemplary illustration is carried out to another mode of execution of the seal arrangement that the utility model proposes.
The structure of the seal arrangement of present embodiment is substantially identical with above-mentioned first mode of execution.But difference is, in the present embodiment, press strip 32, back-up ring 33 and seal ring 31 are arranged on tank door 2.For example, the structure of tank body seal ring 34 is fixed in conjunction with press strip 32 in the first mode of execution and back-up ring 33, in the present embodiment, press strip 32 and back-up ring 33 are fixed on tank door sealing ring 35 respectively by fixing bolt 36 and fixing bolt 37, are pressed abd fixed on tank door sealing ring 35 by seal ring 31 engaging.
Here describe in detail and/or illustrate illustrative embodiments.But embodiments of the present invention are not limited to particular implementation as described herein, on the contrary, the constituent element of each mode of execution and/or step can be separated with other constituent element as described herein and/or step independent sum and used.Each constituent element of a mode of execution and/or each step also can be combined with other constituent element of other mode of execution and/or step.At introduction described and/or illustrated key element/constituent element here/when waiting, term " ", " be somebody's turn to do " and " described " etc. in order to expression exist one or more key element/constituent element/etc.Term " comprises ", " comprising " and " having " in order to represent the open meaning included and refer to also can to exist except key element/constituent element except listing/wait other key element/constituent element/etc.In addition, the term " first " in claims and " second " etc. only use as mark, are not limit the numeral of its object.
Although invention has been described according to different particular implementation, it will be recognized by those skilled in the art and can change enforcement of the present invention in the spirit and scope of claim.
Claims (10)
1. a seal arrangement, for being arranged between a tank body (1) and a tank door (2), it is characterized in that, described seal arrangement comprises:
Seal ring (31), be located between described tank body (1) and described tank door (2), described seal ring (31) is lip-type packing;
First locating piece, is fixed on described tank body (1), and is positioned at described seal ring (31) outside; And
Second locating piece, is fixed on described tank body (1), and is positioned at described seal ring (31) inner side;
Described first locating piece and the second locating piece fix described seal ring (31) on described tank body (1), seal to be formed between described tank body (1) and described tank door (2).
2. seal arrangement according to claim 1, is characterized in that, described seal ring (31) outside has groove, and described first locating piece part stretches into described groove, with the described seal ring (31) that is fixed.
3. seal arrangement according to claim 2, it is characterized in that, described first locating piece is press strip (32), described press strip (32) has fixing part (321) and engagement portion (322), described fixing part (321) is fixed on described tank body (1), and described engagement portion (322) stretch into described groove.
4. seal arrangement according to claim 1, is characterized in that, described second locating piece is back-up ring (33), and described back-up ring (33) outside is resisted against described seal ring (31) inner side.
5. seal arrangement according to claim 1, is characterized in that, described seal arrangement also comprises:
Tank body seal ring (34), is fixed on described tank body (1); And
Tank door sealing ring (35), is fixed on described tank door (2) and goes up and be oppositely arranged with described tank body (1) seal ring (31);
Described seal ring (31), the first locating piece and the second locating piece are all located on described tank body seal ring (34).
6. a seal arrangement, for being arranged between a tank body (1) and a tank door (2), it is characterized in that, described seal arrangement comprises:
Seal ring (31), be located between described tank body (1) and described tank door (2), described seal ring (31) is lip-type packing;
First locating piece, is fixed on described tank door (2), and is positioned at described seal ring (31) outside; And
Second locating piece, is fixed on described tank door (2), and is positioned at described seal ring (31) inner side;
Described first locating piece and the second locating piece fix described seal ring (31) on described tank door (2), seal to be formed between described tank body (1) and described tank door (2).
7. seal arrangement according to claim 6, is characterized in that, described seal ring (31) outside has groove, and described first locating piece part stretches into described groove, with the described seal ring (31) that is fixed.
8. seal arrangement according to claim 7, it is characterized in that, described first locating piece is press strip (32), described press strip (32) has fixing part (321) and engagement portion (322), described fixing part (321) is fixed on described tank door (2), and described engagement portion (322) stretch into described groove.
9. seal arrangement according to claim 6, is characterized in that, described second locating piece is back-up ring (33), and described back-up ring (33) outside is resisted against described seal ring (31) inner side.
10. seal arrangement according to claim 6, is characterized in that, described seal arrangement also comprises:
Tank body seal ring (34), is fixed on described tank body (1); And
Tank door sealing ring (35), is fixed on described tank door (2) and goes up and be oppositely arranged with described tank body (1) seal ring (31);
Described seal ring (31), the first locating piece and the second locating piece are all located on described tank door sealing ring (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520867616.9U CN205101554U (en) | 2015-10-30 | 2015-10-30 | Sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520867616.9U CN205101554U (en) | 2015-10-30 | 2015-10-30 | Sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205101554U true CN205101554U (en) | 2016-03-23 |
Family
ID=55517336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520867616.9U Active CN205101554U (en) | 2015-10-30 | 2015-10-30 | Sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205101554U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763215A (en) * | 2016-08-15 | 2018-03-06 | 费斯托股份有限两合公司 | Sealing system and the valve for being provided with sealing system |
| CN111197656A (en) * | 2020-03-06 | 2020-05-26 | 北京化工大学 | J-shaped sealing ring and quick opening structure using same |
-
2015
- 2015-10-30 CN CN201520867616.9U patent/CN205101554U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763215A (en) * | 2016-08-15 | 2018-03-06 | 费斯托股份有限两合公司 | Sealing system and the valve for being provided with sealing system |
| US10436326B2 (en) | 2016-08-15 | 2019-10-08 | Festo Ag & Co. Kg | Sealing system and a valve provided therewith |
| CN111197656A (en) * | 2020-03-06 | 2020-05-26 | 北京化工大学 | J-shaped sealing ring and quick opening structure using same |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 528478 Guangdong city of Zhongshan Province Town Ring Road No. 27. Patentee after: Zhongshan triumphant vacuum Polytron Technologies Inc Address before: 528478 Guangdong city of Zhongshan province Henglan Town Yongfeng Industrial Zone Patentee before: Zhongshan Kaixuan Vacuum Technology Project Co., Ltd. |