CN203035947U - High-pressure vessel end ring surface self-adaptation compensation strengthening hydraulic seal device - Google Patents
High-pressure vessel end ring surface self-adaptation compensation strengthening hydraulic seal device Download PDFInfo
- Publication number
- CN203035947U CN203035947U CN 201220742016 CN201220742016U CN203035947U CN 203035947 U CN203035947 U CN 203035947U CN 201220742016 CN201220742016 CN 201220742016 CN 201220742016 U CN201220742016 U CN 201220742016U CN 203035947 U CN203035947 U CN 203035947U
- Authority
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- China
- Prior art keywords
- seal
- ring
- sealing
- pressure
- self
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- 238000005728 strengthening Methods 0.000 title abstract 2
- 238000007789 sealing Methods 0.000 claims description 91
- 239000000463 material Substances 0.000 claims description 8
- 230000001808 coupling Effects 0.000 claims description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N tin hydride Chemical compound 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- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical group 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[Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000630 rising Effects 0.000 description 1
Abstract
The utility model discloses a high-pressure vessel end ring surface self-adaptation compensation strengthening hydraulic seal device which comprises a seal cover. The seal cover comprises a plug provided with an arch cavity on the lower portion. A seal punch sleeve is mounted outside the plug. An annular wedge groove is reserved on the outer wall at the lower end of the seal punch sleeve. A wedge seal ring is mounted in the wedge groove in a matched manner. A rigid pressing ring for pressing the wedge ring is disposed at the wedge groove of the seal punch sleeve. The hydraulic seal device aims to meet the end ring surface dynamic and static hydraulic seal requirements of large and medium high-pressure or ultrahigh-pressure vessels, on the premise of guaranteeing airtightness and by optimizing seal part structures, pretightening force of seal parts can be adjusted dynamically by means of self-adaptation according to pressure variations in the vessels. When vessel ends are assembled, assembling difficulty can be lowered evidently due to the fact that certain initial assembling gaps are allowed to exist. Seal reliability of seal parts is achieved while assembling and disassembling difficulty of pretightening parts is solved.
Description
Technical field
Dynamic, the self adaptive-compensating of static liquid means of press seals that the utility model relates to the container end portion anchor ring of a kind of large scale, ultrahigh pressure strengthen technical field, relate in particular to a kind of high-pressure bottle end ring surface self-adaption compensation and strengthen hydraulic seal device.
Background technique
The seal arrangement of high-pressure bottle or ultrahigh pressure vessel is most important sealed member in container assembling and the operation, sealed member based on high pressure or ultrahigh pressure vessel end should guarantee its fitting tight performance, again must be in the initial loading timing, guarantee that between container barrel and the end sealed member be Spielpassung, so that assembling neatly.It is a pair of inevitable contradiction aspect two that the seal arrangement of high-pressure bottle or ultrahigh pressure vessel seals this in initial assembling and operation.
According to the use condition of reality, during assembling, can only overcome initial sealing frictional force by the deadweight of sealing lid substantially, to finish assembling and the inner emptying that is closed air.Generally speaking, the sealing lid is difficult to the disposable rigging position that drops to automatically, often needs to adopt some external accessories or measure, could finally finish the assembling of sealed member.And, after assembling is finished, guarantee the normal operations involving high pressure of container, container must fully reach sealing state, but because container needs the Spielpassung between parts when assembling, so after the assembling, often exist the space between sealed member and the high-pressure bottle, the measure that remedies (as filled etc.) must be taked, otherwise its sealing effect can be influenced.But because filler is operated comparatively trouble, and sealing effect is also undesirable, and this is just having a strong impact on the working performance of high-pressure bottle or ultrahigh pressure vessel.
The model utility content
Deficiency at the prior art existence, the purpose of this utility model is to provide a kind of high-pressure bottle end ring surface self-adaption compensation to strengthen hydraulic seal device, strengthen know-why and optimized the structure that seals lid by self adaptive-compensating, can solve the problems of the technologies described above effectively.
The purpose of this utility model is achieved through the following technical solutions:
A kind of high-pressure bottle end ring surface self-adaption compensation strengthens hydraulic seal device, comprise the sealing lid, the sealing lid mainly is made of cock body, the bottom of described cock body has the arch chamber, the outside of cock body is equipped with the sealing punch cover, have the wedge slot of annular on the outer wall of sealing punch cover lower end, coupling is equipped with wedge shape sealing ring in this wedge slot, is provided with the rigidity pressure ring that holds wedge shape sealing ring at the wedge slot place of sealing punch cover.
In order to realize sealing effect of the present utility model better, between described rigidity pressure ring and the wedge shape sealing ring seal joint is installed.
In order to realize better sealing effect, between the end, lower end of described rigidity pressure ring and sealing punch cover rubber seal is installed, between described seal joint and the wedge shape sealing ring rubber seal is installed, the barrel of this rubber seal and high-pressure bottle closely acts on, rubber seal is owing to precompression produces pretightening force, during the period, this pretightening force can realize the seal action of container in the operation of high-pressure bottle low pressure.
Further technological scheme: the appearance wall depression of described sealing punch cover has some circular grooves, and rubber seal is installed in circular groove.
The utility model provides the shape and structure technological scheme in a kind of arch chamber: described arch chamber overall structure is ball collar shape or cylinder arch or step arch.
The utility model provides a kind of manufactured materials technological scheme of sealing punch cover: described sealing punch cover and wedge shape sealing ring form by the manufacturing of tin bronze material.
As a kind of optimized technical scheme of the present utility model be, described sealing lid also includes end cover, and described end cover is located at cock body away from an end end in arch chamber.
The utility model is compared than prior art, has the following advantages and beneficial effect:
(1) the utility model aims at dynamic, the static liquid means of press seals demand of annular end of large and medium-sized high pressure or ultrahigh pressure vessel, under the prerequisite that guarantees sealability, by the sealed member structure of optimizing, realization is along with the rising of container internal pressure, the seal arrangement local pressure expands, thereby self adaption is dynamically adjusted the pretightening force of sealed member.When container assembles, owing to allow certain initial fit up gap, the utility model can be guaranteed reliable sealability in the container ultrahigh pressure working state, simultaneously the excessive pretension defective of sealed member of current existence be can avoid effectively, thereby the reliability of sealed member sealing and a pair of contradiction difficult problem of component pretension state dismounting difficulty solved well.
(2) the utility model adopts wedge shape sealing ring to add the compound sealing structure of rubber seal, when assembling, adopts the Spielpassung of appropriateness between the cylindrical shell of wedge shape sealing ring and punching block sleeve containes, produces unnecessary clamping stagnation when having avoided cock body just to pack into.Guarantee in the sealing of the low pressure period precompression by rubber seal, because rubber seal is the rigidity soft material, has realized the seal action of low pressure period, and provide the initial pressure of punching block sleeve containes or other high-pressure bottle to provide.
(3) the utility model can improve the recycling rate of waterused of sealed member, effectively reduces cost.The utility model is also applicable to the axial motive sealing operating mode demand of container end portion cock body.
Description of drawings
Cross-sectional view when Fig. 1 uses for the utility model;
Fig. 2 is the local enlarged diagram among Fig. 1;
Fig. 3 partly cuts open structural representation for sealing punch cover;
Fig. 4 is the structural representation of wedge shape sealing ring;
Fig. 5 is the structural representation of seal joint;
Fig. 6 is the structural representation of rigidity pressure ring;
Overall structure schematic representation when Fig. 7 uses for the utility model;
Radial displacement numerical simulation analysis figure when Fig. 8 does not have constraint for sealing of the present utility model position;
Equivalent stress numerical simulation analysis figure when Fig. 9 does not have constraint for sealing of the present utility model position.
Wherein, the corresponding name of the reference character in the accompanying drawing is called:
1-seals lid, 2-cock body, 3-end cover, 4-punching block sleeve containes, 5-sealing punch cover, 6-rigidity pressure ring, 7-seal joint, 8-rubber seal, 9-wedge shape sealing ring, the 10-mold collar, 21-arch chamber, 41-die sleeve link, 51-circular groove.
Embodiment
Below in conjunction with embodiment the utility model is described in further detail:
Embodiment
As Fig. 1～shown in Figure 9, a kind of high-pressure bottle end ring surface self-adaption compensation strengthens hydraulic seal device, comprise sealing lid 1, sealing lid 1 mainly is made of cock body 2, the bottom of cock body 2 has arch chamber its structure of 21(as shown in Figure 1), the outside of cock body 2 is equipped with its structure of sealing punch cover 5(as shown in Figure 3).It is (not shown that sealing punch overlaps the wedge slot that has annular on the outer wall of 5 lower ends, the part that in the enlarged diagram of Fig. 2, cooperates with following wedge shape sealing ring 9 annulars), coupling is equipped with wedge shape sealing ring 9 in this wedge slot, wedge shape sealing ring 9 structures as shown in Figure 4, wedge shape sealing ring 9 cross sections are wedge shape triangle or other wedge-type shape, the angle that the plane of inclination of wedge shape sealing ring 9 becomes with the container barrel that is used is preferably 30 °～45 °, during fabrication, this wedge shape sealing ring 9 is by flexible wear-resistant material manufacturings such as copper or tin bronzes.Wedge slot place at sealing punch cover 5 is provided with the rigidity pressure ring 6 that holds wedge shape sealing ring 9.See also Fig. 6, the cross section of the rigidity pressure ring 6 of present embodiment is for falling " T " word shape, and rigidity pressure ring 6 is installed on the end, lower end of cock body 2 or sealing punch cover 5 by bolt.
As shown in Figure 1 and Figure 2, between rigidity pressure ring 6 and the wedge shape sealing ring 9 seal joint 7 is installed.
As shown in Figure 1 and Figure 2, between the end, lower end of rigidity pressure ring 6 and sealing punch cover 5 rubber seal 8 is installed, between seal joint 7 and the wedge shape sealing ring 9 rubber seal 8 is installed, rubber seal 8 can be installed between seal joint 7 and the wedge shape sealing ring 9.
As shown in Figure 2, the appearance wall depression of sealing punch cover 5 has some circular grooves 51, and rubber seal 8 is installed in circular groove 51, and this rubber seal 8 cooperates with the inwall of punching block sleeve containes 4 is flexible, can play good auxiliary seal effect.
Arch of the present utility model chamber 21 overall structures are ball collar shape or cylinder arch or step arch or other arcuate in shape, and Fig. 1 illustrates a kind of arch of the present utility model chamber 21 structures, and its overall structure is ball collar shape.
Sealing punch of the present utility model cover 5 is formed by the manufacturing of tin bronze material, can take full advantage of rigidity contracting sex change and the high-wear resistance of tin bronze material, realize better sealing, wear-resisting effect with the designed structure of the utility model, can certainly be other mild steel material or mechanical material.
See also Fig. 1, sealing lid 1 also includes end cover 3, and sealing end cap 3 is located at cock body 2 away from 21 1 end ends, arch chamber.
Use principle of the present utility model is as follows:
During use, this seal arrangement is installed on punching block sleeve containes 4(also can be other high pressure or ultrahigh pressure vessel, during application, as long as arrange according to the corresponding coupling of structure of the present utility model) in, during installation, because cock body 2 and the punching block sleeve containes 4 of this seal arrangement are taked Spielpassung, so the cock body 2 of this seal arrangement can be easy to, all glide swimmingly and fall in the punching block sleeve containes 4, by adopting self adaption of the present utility model to strengthen compensation technique (being the utility model hydraulic seal principle), owing to optimized the structure of sealing lid, can effectively solve technical barrier of the present utility model, and obtain good sealing effect.
The utility model hydraulic seal principle is: have the 21(arch structure design of arch chamber in cock body 2 bottoms of sealing lid 1, as shown in Figure 1), punching block sleeve containes 4 in the course of the work, form the hydraulic pressure of high pressure at the liquid (the especially liquid in arch chamber 21) of punching block sleeve containes 4, this hydraulic pressure can push parts such as rigidity pressure ring 6, seal joint 7, all rubber seal 8 and wedge shape sealing ring 9, and the arch chamber, cock body 2 bottom 21 of sealing lid 1 with sealing punch cover 5 local microdilatancy distortion takes place; And because this hydraulic pressure extruding rubber seal 8 and wedge shape sealing ring 9, this will remedy initial fit up gap, thereby realizes the purpose that self adaptive-compensating strengthens.Under pressure, wedge shape sealing ring 9 is along upwards moving in the wedge slot of sealing punch cover 5, thereby makes sealing effect better, and the sealing technique of higher standard is provided for punching block sleeve containes 4 or other container.
This seal arrangement adopts wedge shape sealing ring 9 to add the compound sealing structure of rubber seal 8, when assembling, adopt the Spielpassung of appropriateness between the cylindrical shell of wedge shape sealing ring 9 and punching block sleeve containes 4, produce unnecessary clamping stagnation when having avoided cock body 2 just to pack into, guarantee in the sealing of the low pressure period precompression by rubber seal 8, because rubber seal 8 is the rigidity soft material, has satisfied the seal request of low pressure period, and provides the initial pressure of punching block sleeve containes 4 or other high-pressure bottle to provide.
See also Fig. 7, after this seal arrangement is installed, can be at punching block sleeve containes 4(or other high-pressure bottle) the end, upper end be provided with die sleeve link 41, be sealed and installed with mold collar 10 by these die sleeve link 41 couplings, the end cover 3 of this mold collar 10 and this seal arrangement is applied to the end portion of punching block sleeve containes 4 jointly, has improved sealability of the present utility model more.
Fig. 8 expresses the radial displacement numerical simulation analysis figure that sealing of the present utility model position does not have when constraint, can learn thus: because the utility model is provided with some rubber seal 8, can reach good sealing effect in the low pressure period, thereby initial internal pressure power is provided; When high-pressure bottle was worked, along with internal pressure raises, the corresponding expansion of cock body 2 arch chamber walls can remedy the fit up gap, and compensation strengthens the sealing operation requirement of high pressure period.
Fig. 9 expresses the equivalent stress numerical simulation analysis figure that sealing of the present utility model position does not have when constraint, cock body 2 sidewalls of this seal arrangement and sealing punch cover 5 is made the stress distribution of time spent being subjected to punching block sleeve containes 4 internal pressures, can satisfy the operating mode requirement of strength of high-pressure bottle.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. a high-pressure bottle end ring surface self-adaption compensation strengthens hydraulic seal device, comprise sealing lid (1), sealing lid (1) mainly is made of cock body (2), it is characterized in that: the bottom of described cock body (2) has arch chamber (21), the outside of cock body (2) is equipped with sealing punch cover (5), have the wedge slot of annular on the outer wall of sealing punch cover (5) lower end, coupling is equipped with wedge shape sealing ring (9) in this wedge slot, is provided with the rigidity pressure ring (6) that holds wedge shape sealing ring (9) at the wedge slot place of sealing punch cover (5).
2. strengthen hydraulic seal device according to the compensation of the described high-pressure bottle end ring of claim 1 surface self-adaption, it is characterized in that: described arch chamber (21) overall structure is ball collar shape or cylinder arch or step arch.
3. strengthen hydraulic seal device according to the compensation of the described high-pressure bottle end ring of claim 1 surface self-adaption, it is characterized in that: between described rigidity pressure ring (6) and the wedge shape sealing ring (9) seal joint (7) is installed.
4. strengthen hydraulic seal device according to the compensation of the described high-pressure bottle end ring of claim 3 surface self-adaption, it is characterized in that: between described seal joint (7) and the wedge shape sealing ring (9) rubber seal (8) is installed, between the end, lower end of described rigidity pressure ring (6) and sealing punch cover (5) rubber seal (8) is installed.
5. strengthen hydraulic seal device according to claim 1 or 4 described high-pressure bottle end ring surface self-adaption compensation, it is characterized in that: the appearance wall depression of described sealing punch cover (5) has some circular grooves (51), and rubber seal (8) is installed in circular groove (51).
6. strengthen hydraulic seal device according to the compensation of the described high-pressure bottle end ring of claim 5 surface self-adaption, it is characterized in that: described sealing punch cover (5) and wedge shape sealing ring (9) form by the manufacturing of tin bronze material.
7. strengthen hydraulic seal device according to the compensation of the described high-pressure bottle end ring of claim 1 surface self-adaption, it is characterized in that: described sealing lid (1) also includes end cover (3), and described end cover (3) is located at cock body (2) away from (21) one end ends, arch chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220742016 CN203035947U (en) | 2012-12-28 | 2012-12-28 | High-pressure vessel end ring surface self-adaptation compensation strengthening hydraulic seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220742016 CN203035947U (en) | 2012-12-28 | 2012-12-28 | High-pressure vessel end ring surface self-adaptation compensation strengthening hydraulic seal device |
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| Publication Number | Publication Date |
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| CN203035947U true CN203035947U (en) | 2013-07-03 |
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| CN 201220742016 Withdrawn - After Issue CN203035947U (en) | 2012-12-28 | 2012-12-28 | High-pressure vessel end ring surface self-adaptation compensation strengthening hydraulic seal device |
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| CN (1) | CN203035947U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016728A (en) * | 2012-12-28 | 2013-04-03 | 中国工程物理研究院化工材料研究所 | Self-adapting compensation enhancing hydraulic sealing device for ring surface of end part of high pressure vessel |
-
2012
- 2012-12-28 CN CN 201220742016 patent/CN203035947U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016728A (en) * | 2012-12-28 | 2013-04-03 | 中国工程物理研究院化工材料研究所 | Self-adapting compensation enhancing hydraulic sealing device for ring surface of end part of high pressure vessel |
| CN103016728B (en) * | 2012-12-28 | 2015-09-23 | 中国工程物理研究院化工材料研究所 | High-pressure bottle end ring surface self-adaption compensates and strengthens hydraulic seal device |
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Granted publication date: 20130703 Effective date of abandoning: 20150923 |