CN106224544A - A kind of sealing structure being applicable to big cracking pressure container - Google Patents
A kind of sealing structure being applicable to big cracking pressure container Download PDFInfo
- Publication number
- CN106224544A CN106224544A CN201610675046.2A CN201610675046A CN106224544A CN 106224544 A CN106224544 A CN 106224544A CN 201610675046 A CN201610675046 A CN 201610675046A CN 106224544 A CN106224544 A CN 106224544A
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- CN
- China
- Prior art keywords
- face
- groove
- pressure vessel
- plug
- lateral
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J13/00—Covers or similar closure members for pressure vessels in general
- F16J13/02—Detachable closure members; Means for tightening closures
Abstract
The present invention provides a kind of sealing structure being applicable to big cracking pressure container.This sealing structure being applicable to big cracking pressure container includes the plug (2) that pressure vessel joint (1) and lid are located on pressure vessel joint (1), lateral fit structure and end face fit structure it is formed with between plug (2) and pressure vessel joint (1), the lateral of plug (2) coordinates face and lateral cooperation of pressure vessel joint (1) is provided with lateral seal circle (3) between face, is provided with end-face seal ring (4) between end face cooperation face and the end face cooperation face of pressure vessel joint (1) of plug (2).According to the sealing structure being applicable to big cracking pressure container of the present invention, can effectively meet the sealing property of big open containers.
Description
Technical field
The present invention relates to pressure vessel technology field, be applicable to connecing of big cracking pressure container in particular to a kind of
Head seals structure.
Background technology
The development maximized along with pressure vessel, the thing followed is increase and the growth of length of pressure vessel diameter,
Container after-opening diameter also can increase therewith, and light as far as possible in order to pursue the quality of container, shell wall thickness will be thinning, right
In thin-walled major diameter container, after bigger after-opening can cause shell, joint produces bigger subtended angle under internal pressure conditions,
If subtended angle and open gaps are excessive, can reduce sealing ring decrement, serious meeting causes seal failure, causes accident.To appearance
After device, sealing structure improves for improving sealing reliability is very effective method, by being suitably modified structure
Form, does not increase product quality and extra structure, it is possible to meets and uses requirement.
At present, the sealing version that after container, joint is conventional is end face seal structure and trapezoidal sealing structure, wherein, and end
Surface seal structure is mainly used in the container that diameter is less, and trapezoidal sealing structure, due to existing lateral seal, has again end face seal
Effect, is usually used in tun, but for big hatch frame form, trapezium structure form also can not preferably meet sealing can
The use requirement leaned on.
Summary of the invention
The technical purpose of the present invention is that the defect solving above-mentioned prior art, it is provided that one can effectively meet to be opened greatly
The sealing structure being applicable to big cracking pressure container of the sealing property of mouth container.
For reaching the technical purpose of the present invention, the invention provides a kind of joint sealing being applicable to big cracking pressure container
Structure, is located at the plug on pressure vessel joint including pressure vessel joint and lid, is formed between plug and pressure vessel joint
Having lateral fit structure and end face fit structure, the lateral cooperation face of plug coordinates with the lateral of pressure vessel joint and sets between face
It is equipped with lateral seal circle, between end face cooperation face and the end face cooperation face of pressure vessel joint of plug, is provided with end face seal
Circle.
Preferably, it is bolted between plug and pressure vessel joint, between bolt and plug, is provided with spring pad
Circle.
Preferably, pressure vessel joint has the first projection, and plug has the first groove with the first male cooperation, bolt
At the first protruding cooperation position with the first groove, pressure vessel Connect and Choke Plug is fixed together.
Preferably, end-face seal ring is arranged on the first protruding counterface with the first groove.
Preferably, lateral seal circle is arranged on the first protruding lateral cooperation face with the first groove.
Preferably, the lateral cooperation face of the first groove of termination being provided with seal groove, lateral seal circle is arranged on sealing
In groove, the lateral top coordinating face of the first projection is provided with chamfering.
Preferably, the width of chamfering and length are than for 1:3.
Being preferably located on the plug inside the lateral cooperation face of the first groove and be provided with the second projection, pressure vessel connects
Being provided with the second groove matched with the second projection on head, the bottom of the second groove coordinates with the top clearance of the second projection.
Preferably, tight fit between both sides and two sidewalls of the second groove of the second projection.
Preferably, the gap between bottom and the top of the second projection of the second groove is 1mm.
At the sealing structure being applicable to big cracking pressure container provided by the present invention, including pressure vessel joint and
Lid is located at the plug on pressure vessel joint, is formed with lateral fit structure and end face coordinates between plug with pressure vessel joint
Structure, the lateral cooperation face of plug coordinates with the lateral of pressure vessel joint and is provided with lateral seal circle between face, the end of plug
It is provided with end-face seal ring between the end face cooperation face of cooperation face, face and pressure vessel joint.Due to pressure vessel joint and plug
Between sealed by lateral seal circle and end-face seal ring respectively, it is possible to enclosed the work of lateral seal by lateral seal
With, played the effect of end face seal by end-face seal ring, matched by the sealing ring in both direction, for big opening pressure
For force container, it is possible on the basis of not increasing quality and supernumerary structure, hold for pressure under the working inner pressure of pressure vessel
Device joint provides with plug and reliably seals.
Accompanying drawing explanation
Fig. 1 is the assembling structural representation of the sealing structure being applicable to big cracking pressure container of the embodiment of the present invention
Figure；
Fig. 2 is that the sealing structure of the sealing structure being applicable to big cracking pressure container of the embodiment of the present invention is amplified
Figure.
Description of reference numerals: 1, pressure vessel joint；2, plug；3, lateral seal circle；4, end-face seal ring；5, bolt；
6, spring washer；7, first is protruding；8, the first groove；9, seal groove；10, chamfering；11, second is protruding；12, the second groove.
Detailed description of the invention
Hereinafter embodiments of the invention are described in detail, but what the present invention can be defined by the claims and cover
Multitude of different ways is implemented.
See shown in Fig. 1 and Fig. 2, according to embodiments of the invention, it is adaptable to the joint sealing knot of big cracking pressure container
Structure, the plug 2 being located on pressure vessel joint 1 including pressure vessel joint 1 and lid, shape between plug 2 and pressure vessel joint 1
Become to have lateral fit structure and end face fit structure, plug 2 lateral coordinate face and pressure vessel joint 1 laterally coordinate face it
Between be provided with lateral seal circle 3, the end face of plug 2 coordinates and is provided with end between face and the end face cooperation face of pressure vessel joint 1
Face seal circle 4.
Owing to being sealed by lateral seal circle 3 and end-face seal ring 4 respectively between pressure vessel joint 1 and plug 2,
The effect of lateral seal can be played by lateral seal circle 3, played the effect of end face seal by end-face seal ring 4, pass through
Sealing ring in both direction matches, for big cracking pressure container, it is possible to do not increasing quality and supernumerary structure
On the basis of, under the working inner pressure of pressure vessel, the connection for pressure vessel joint 1 with plug 2 provides positive sealing.
The mounting groove of lateral seal circle 3 can be arranged in the side-fit structure of pressure vessel joint 1, it is also possible to arranges
In the side-fit structure of plug 2, in the present embodiment, the mounting groove of lateral seal circle 3 is arranged on plug 2.The closeest
The Main Function of seal 3 is the rate-of flow reducing and entering end-face seal ring 4, reliable to guarantee the sealing of joint sealing joint.
Preferably, connected by bolt 5 between plug 2 and pressure vessel joint 1, between bolt 5 and plug 2, be provided with bullet
Spring packing ring 6.Connected by bolt 5 between plug 2 and pressure vessel joint 1, plug can be made by the interconnection function of bolt 5
2 and pressure vessel joint 1 mutually compress, thus compress the end-face seal ring 4 between plug 2 and pressure vessel joint 1, improve stifled
End face seal performance between 2 and pressure vessel joint 1.
Pressure vessel joint 1 has the first projection 7, and plug 2 has and the first protruding 7 the first groove 8 coordinated, bolt 5
At the cooperation position of the first protruding 7 and first groove 8, pressure vessel joint 1 and plug 2 are fixed together.Pressure holds
Cooperated by the first protruding 7 and first groove 8 between device joint 1 and plug 2, can be recessed by first protruding 7 and first
Groove 8 forms fixing structure, arranges offer installation site for lateral seal circle 3 and end-face seal ring 4, and lateral seal is effectively ensured
The decrement of circle 3, the cooperation to plug 2 and pressure vessel joint 1 simultaneously positions, it is simple to realize plug 2 and pressure vessel
Installation location between joint 1.
Lateral seal circle 3 is arranged on the lateral cooperation face of the first protruding 7 and first groove 8.First protruding 7 and first is recessed
The cooperation side of groove 8 can be inclined-plane, thus can be easy to assembling when mounted, right during can effectively reducing assembling simultaneously
Compressing and rubbing against of lateral seal circle 3, it is to avoid lateral seal circle 3 sustains damage during assembling, it is simple to realize assembling smoothly,
And can effectively ensure that the reliability of sealing.
End-face seal ring 4 is arranged on the counterface of the first protruding 7 and first groove 8.Specifically, end-face seal ring
The mounting groove of 4 can be arranged on the top of the first projection 7, it is also possible to is arranged on the bottom of the first groove 8.In the present embodiment,
The mounting groove of end-face seal ring 4 is arranged on the top of the first projection 7.The mounting groove of end-face seal ring 4 is arranged on pressure vessel and connects
On 1, the mounting groove of lateral seal circle 3 is arranged on plug 2, can effectively reduce mounting groove to pressure vessel joint 1 and stifled
The adverse effect that the structural strength of 2 is caused so that the distribution of mounting groove is more reasonable so that pressure vessel joint 1 and stifled
The fit structure of 2 has more preferable structural strength and significantly more efficient sealing property.
Being provided with seal groove 9 on the lateral cooperation face of the first groove 8 of termination, lateral seal circle 3 is arranged on seal groove 9
In, the lateral top coordinating face of the first projection 7 is provided with chamfering 10.Arrange at the lateral top coordinating face of the first projection 7
Chamfering 10, it is possible to reduce the length of fit laterally coordinating face of lateral seal circle 3 and the first projection 7 during assembling, thus
Reduce lateral cooperation the compressing and rubbing against in the face of lateral seal circle 3 of the first projection 7 during assembling, it is to avoid lateral seal circle 3
Sustain damage during assembling, it is simple to realize assembling smoothly, it is possible to provide reliable sealing property.
Preferably, the width of chamfering 10 and length, than for 1:3, can avoid chamfering 10 excessively to affect the top of the first projection 7
Portion's width and setting to end-face seal ring 4 adversely affects, can effectively reduce lateral seal circle 3 and the first projection simultaneously
The lateral length of fit coordinating face of 7.
Lateral seal circle 3 and end-face seal ring 4 are O RunddichtringO.O RunddichtringO material can use elastomer, must
It need be asked to have good resilience speed, especially low temperature (such as-10 DEG C～+35 DEG C) under design of pressure vessels temperature conditions
Under the conditions of resilience speed, it is ensured that the sealing under cryogenic conditions is reliable.It addition, must comprehensively examine when designing sealing ring decrement
Consider and seal the deformation under intrinsic pressure working condition of registration interface designs gap, container, the performance etc. of encapsulant.
Being preferably located on the plug 2 inside the lateral cooperation face of the first groove 8 and be provided with the second projection 11, pressure holds
The second groove 12 matched with the second projection 11, the bottom of the second groove 12 and the second projection 11 it is provided with on device joint 1
Top clearance coordinates.Owing to being provided with the second groove 12 matched with the second projection 11, the second groove on pressure vessel joint 1
The bottom of 12 coordinates with the top clearance of the second projection 11, therefore cooperates compression end face at the first protruding 7 and first groove 8
During sealing ring 4, second protruding 11 can be avoided to contact in advance with the second groove 12 and the sealing of end-face seal ring 4 is caused unfavorable
Impact, it is ensured that effective sealing of end-face seal ring 4.Based on same reason, the top side wall of the second groove 12 is convex with second
Rising between the diapire of 11 is also matched in clearance.Due to the second groove 12 seam positioning action to the second projection 11, can be made
Two projections 11 are pressed on the sidewall of the first projection 7, so that lateral seal circle 3 can be pressed on the first projection 7 by plug 2
On sidewall, it is effectively guaranteed the decrement of lateral seal circle 3, it is ensured that the sealing property of lateral seal circle 3.
The outside fixing structure formed between first protruding 7 and first groove 8 and the second protruding 11 and second groove 12
Between the inner side fixing structure that formed match, can jointly be acted on by inner side fixing structure and outside fixing structure, have
Effect reduces pressure vessel subtended angle under intrinsic pressure working condition and open gaps, it is ensured that between pressure vessel joint 1 and plug 2
Seal reliable.
Preferably, tight fit between both sides and two sidewalls of the second groove 12 of the second projection 11, can be by second
Groove 12 better ensures that the decrement of lateral seal circle 3 to the lateral register of the second projection 11, it is ensured that lateral seal circle 3 close
Sealing property.
Gap between bottom and the top of the second projection 11 of the second groove 12 is 1mm, can avoid the second groove 12
Bottom and the top of the second projection 11 between excesssive gap and cause medium to flow into too much, it is also possible to avoid the second groove 12
Bottom and the top of the second projection 11 between gap too small and reduce the decrement of end-face seal ring 4, thus be effectively ensured
End face seal performance between pressure vessel joint 1 and plug 2.
Embodiments of the invention have the effect that
(1) present invention uses the version that end face seal plus side face seal combines, and by the improvement in structure, is not required to
Increase extra structure, just can meet big cracking pressure container sealing reliability under the conditions of big opening.
(2) present invention can be used for large scale, big cracking pressure container and the sealing of blanking cover, can meet opening Φ 2000mm
And the connection of pressure above vessel joint and blanking cover and sealing.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. the sealing structure being applicable to big cracking pressure container, it is characterised in that include pressure vessel joint (1) and
Lid is located at the plug (2) on described pressure vessel joint (1), is formed between described plug (2) and described pressure vessel joint (1)
There are lateral fit structure and end face fit structure, the lateral side coordinating face and described pressure vessel joint (1) of described plug (2)
Being provided with lateral seal circle (3) between cooperation face, the end face of described plug (2) coordinates face and described pressure vessel joint (1)
End face cooperation face between be provided with end-face seal ring (4).
Sealing structure the most according to claim 1, it is characterised in that described plug (2) and described pressure vessel connect
Connected by bolt (5) between head (1), between described bolt (5) and described plug (2), be provided with spring washer (6).
Sealing structure the most according to claim 2, it is characterised in that described pressure vessel joint (1) has first
Protruding (7), described plug (2) has the first groove (8) coordinated with described first protruding (7), and described bolt (5) is described the
At the cooperation position of one protruding (7) and described first groove (8), described pressure vessel joint (1) and described plug (2) are fixed
Link together.
Sealing structure the most according to claim 3, it is characterised in that described end-face seal ring (4) is arranged on described
On the counterface of first protruding (7) and described first groove (8).
Sealing structure the most according to claim 2, it is characterised in that described lateral seal circle (3) is arranged on described
On the lateral cooperation face of first protruding (7) and described first groove (8).
Sealing structure the most according to claim 5, it is characterised in that first groove (8) of described termination lateral
Being provided with seal groove (9) on cooperation face, described lateral seal circle (3) is arranged in described seal groove (9), and described first is protruding
(7) the lateral top coordinating face is provided with chamfering (10).
Sealing structure the most according to claim 6, it is characterised in that width and the length ratio of described chamfering (10) are
1:3。
Sealing structure the most according to claim 3, it is characterised in that be positioned at laterally joining of described first groove (8)
It is provided with second protruding (11) on described plug (2) inside conjunction face, described pressure vessel joint (1) is provided with and described the
The second groove (12) matched in two protruding (11), the bottom of described second groove (12) and the top of described second protruding (11)
Matched in clearance.
Sealing structure the most according to claim 8, it is characterised in that the both sides of described second protruding (11) are with described
Tight fit between two sidewalls of the second groove (12).
Sealing structure the most according to claim 8, it is characterised in that the bottom of described second groove (12) and institute
The gap stated between the top of second protruding (11) is 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610675046.2A CN106224544B (en) | 2016-08-16 | 2016-08-16 | A kind of sealing structure suitable for big opening pressure vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610675046.2A CN106224544B (en) | 2016-08-16 | 2016-08-16 | A kind of sealing structure suitable for big opening pressure vessel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106224544A true CN106224544A (en) | 2016-12-14 |
| CN106224544B CN106224544B (en) | 2019-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610675046.2A Expired - Fee Related CN106224544B (en) | 2016-08-16 | 2016-08-16 | A kind of sealing structure suitable for big opening pressure vessel |
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| Country | Link |
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| CN (1) | CN106224544B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1165527A (en) * | 1967-07-27 | 1969-10-01 | Sulzer Ag | Pressure Vessels |
| JPH09329102A (en) * | 1996-06-07 | 1997-12-22 | Nissan Diesel Motor Co Ltd | Tank piping connecting device |
| CN201884831U (en) * | 2010-12-14 | 2011-06-29 | 常州腾龙汽车零部件制造有限公司 | Joint structure of two-way sealing pipe |
| CN102954299A (en) * | 2012-11-20 | 2013-03-06 | 无锡康柏斯机械科技有限公司 | Butt joint type pressure resistant flange |
| CN203718212U (en) * | 2014-03-03 | 2014-07-16 | 温州联发法兰管件有限公司 | Flange with high sealing performance |
| CN104482208A (en) * | 2014-11-19 | 2015-04-01 | 中国船舶重工集团公司第七○二研究所 | Detachable ultrahigh pressure waterproof sealing ring |
-
2016
- 2016-08-16 CN CN201610675046.2A patent/CN106224544B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1165527A (en) * | 1967-07-27 | 1969-10-01 | Sulzer Ag | Pressure Vessels |
| JPH09329102A (en) * | 1996-06-07 | 1997-12-22 | Nissan Diesel Motor Co Ltd | Tank piping connecting device |
| CN201884831U (en) * | 2010-12-14 | 2011-06-29 | 常州腾龙汽车零部件制造有限公司 | Joint structure of two-way sealing pipe |
| CN102954299A (en) * | 2012-11-20 | 2013-03-06 | 无锡康柏斯机械科技有限公司 | Butt joint type pressure resistant flange |
| CN203718212U (en) * | 2014-03-03 | 2014-07-16 | 温州联发法兰管件有限公司 | Flange with high sealing performance |
| CN104482208A (en) * | 2014-11-19 | 2015-04-01 | 中国船舶重工集团公司第七○二研究所 | Detachable ultrahigh pressure waterproof sealing ring |
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| Publication number | Publication date |
|---|---|
| CN106224544B (en) | 2019-04-16 |
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Granted publication date: 20190416 Termination date: 20190816 |
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| CF01 | Termination of patent right due to non-payment of annual fee |