CN208204021U - A kind of adjustable apex combustion seal of sealed pressure - Google Patents
A kind of adjustable apex combustion seal of sealed pressure Download PDFInfo
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- CN208204021U CN208204021U CN201820733674.6U CN201820733674U CN208204021U CN 208204021 U CN208204021 U CN 208204021U CN 201820733674 U CN201820733674 U CN 201820733674U CN 208204021 U CN208204021 U CN 208204021U
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Abstract
The utility model discloses a kind of adjustable apex combustion seals of sealed pressure, including the first component with hollow reservoir, and it being capable of the second component of relative thereto axially movable in hollow reservoir, and set on the seal assembly for being used for radial seal between the two, seal assembly includes elastic seal ring, the outwardly extending pressure charging pipe in shaft end portion of own elasticity sealing ring, the supercharging device of pressurising medium is filled with into the lumen of pressure charging pipe, pressure charging pipe is connected with the hollow cavity of elastic seal ring, pressure charging pipe extends outward to form the first branch pipe and the second branch pipe, and it is connected separately with the first valve and the second valve, between the outside circumference of elastic seal ring and the inside circumference of the first component, sealing is respectively formed between the inside circumference of elastic seal ring and the outside circumference of second component.The sealing device of the utility model, can the sealing structure change in size caused by any factor make a response, accurately adjust or compensate for missing Sealing Stress, thus make seal continuous and effective.
Description
Technical field
The utility model relates to a kind of adjustable apex combustion seals of sealed pressure.
Background technique
Often exist in large scale vessel flange, pipe flange sealing applications in fields such as petroleum, chemical industry and nuclear powers
Because being deformed not between each element of seal nipple caused by temperature fluctuation, pressure oscillation and unlike material difference linear expansion coefficient
Coordinate, simultaneously because the factors such as sealing structure assembly and dimensional tolerance or error cause Sealing Stress missing or sealing element over-voltage
Conquassation, leads to sealing leak.
Summary of the invention
The purpose of the utility model is to provide a kind of adjustable apex combustion seals of sealed pressure.
In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of adjustable radial seal of sealed pressure
Device, including with hollow reservoir the first component, be set to the hollow reservoir in and can the relatively described first component along axis
To the second component of movement, and it is set on the outside of the first component inside circumference and the second component and is used for two between circumference
The seal assembly of radial seal between person, the seal assembly include the elastic seal ring with hollow cavity, from the elasticity
The outwardly extending pressure charging pipe in shaft end portion of sealing ring, the hollow cavity of the lumen of the pressure charging pipe and the elastic seal ring
Be connected, the pressure charging pipe extends outward to form the first branch pipe and the second branch pipe, the seal assembly further include be connected to it is described
For being filled with the supercharging device of pressurising medium, first branch pipe and the increasing into the lumen of the pressure charging pipe on first branch pipe
The first valve is equipped between pressure device；The nozzle of second branch pipe be equipped with the second valve, second valve open when described in
For second branch pipe towards unilaterally connected outside the pressure charging pipe, the outside circumference of the elastic seal ring is interior with the first component
Sealing is respectively formed between the circumference of side, between the inside circumference of the elastic seal ring and the outside circumference of the second component.
Preferably, the seal assembly includes multiple elastic seal rings of coaxial inner conductor setting, and adjacent two
Connecting tube is equipped between the elastic seal ring, the hollow cavity of the two neighboring elastic seal ring passes through the connection
The lumen of pipe is connected, and the seal assembly further includes the spacer ring between the two neighboring elastic seal ring, it is described every
Ring is equipped with the perforation penetrated for the connecting tube, and the two sides axial end portion of the spacer ring is not resisted against two elastic packings
On the shaft end of circle.
It is further preferred that the connecting tube and the adjacent two integrally formed settings of elastic seal ring, wherein institute
More that connecting tube has one or circumferentially spaced are stated, alternatively, the connecting tube is around the axle center of the elastic seal ring
Annular dowel made of line rotation.
Preferably, the elastic seal ring is wholely set with the pressure charging pipe, wherein the pressure charging pipe had one or along week
To more be distributed in the portion of the elastic seal ring shaft end.
Preferably, the supercharging device includes constant-pressure tank, the outlet of the constant-pressure tank when first valve is opened with
The first branch pipe connection.
Preferably, first valve, second valve are automatic stop valve.
Preferably, the seal assembly further includes the pressure sensing for measuring the pressure charging pipe intraluminal pressure medium
Device and intelligent pressure regulating device, signal connects between the intelligent pressure regulating device and the pressure sensor, and in the pressure
Control is opened first valve, is greater than in the pressure medium value when pressure medium value of sensor measurement is less than setting range
Second valve is opened in control when setting range.
Preferably, annular appearance is provided on a component in the first component and the second component both parts
Slot is set, the elastic seal ring is set in the annular accommodation groove, and the apex combustion seal further includes leak detection component,
In, it is provided with the leak hole that draws for being additionally provided on the component of the annular accommodation groove and being connected to the annular accommodation groove, the leakage inspection
Surveying component includes drawing the leak-off connection of leak hole, the leak detection tube connecting by third valve with the leak-off connection, Yi Jiyu described in connection
The leakage detector of leak detection tube connection is additionally provided with temperature sensor and pressure sensor on the leak detection tube.
As a kind of specific embodiment, the first component is the first container, and the second component is second container,
The first container is set in the outside circumference of the second container and can be described along the axial movement of the second container
Elastic seal ring is set in the inside circumference of the first container.
As a kind of specific embodiment, the first component is open containers, and the second component is floating cover,
The floating cover is housed in the hollow reservoir of the open containers and can be described along the axial movement of the open containers
Elastic seal ring is set in the outside circumference of the floating cover.
Due to the application of the above technical scheme, the utility model has the advantage that this is practical new compared with prior art
The adjustable apex combustion seal of the sealed pressure of type, to radial seal connection the first component and second component between be arranged it is close
Elastic seal ring is used in sealing assembly, can be filled with pressurising medium into the hollow cavity of elastic seal ring by the way that pressure charging pipe is arranged
Or the pressurising medium of release part, so that elastic seal ring elasticity is adjustable, this makes the seal assembly either meet with temperature
When the factors such as degree fluctuation, compression shock, material deformation cause Sealing Stress variation at sealing station, elastic seal ring
Sealing Stress can be adjusted to a constant range, accurately adjust or compensate for the Sealing Stress of missing, so that sealing be made to hold
It is continuous effective.
Detailed description of the invention
Attached drawing 1 is the cross-sectional view for the first class formation of elastic seal assembly that the utility model uses；
Attached drawing 2 is the cross-sectional view of the apex combustion seal embodiment 1 of the utility model；
Attached drawing 3 is enlarged view of the Fig. 2 at A；
Attached drawing 4 is the cross-sectional view of the apex combustion seal embodiment 2 of the utility model；
Attached drawing 5 is enlarged view of the Fig. 4 at B；
Attached drawing 6 is the cross-sectional view for the second class formation of elastic seal assembly that the utility model uses；
Attached drawing 7 is the cross-sectional view of the apex combustion seal embodiment 3 of the utility model；
Attached drawing 8 is enlarged view of the Fig. 7 at C；
Attached drawing 9 is the cross-sectional view of the apex combustion seal embodiment 4 of the utility model；
Attached drawing 10 is enlarged view of the Fig. 9 at D；
Wherein: 1, elastic seal ring；11, pressurising medium；2, pressure charging pipe；21, the first branch pipe；22, the second branch pipe；3, constant pressure
Tank；4, the first valve；5, the second valve；6, connecting tube；7, spacer ring；8, pressure gauge；9, pressure sensor；10, intelligent pressure regulating fills
It sets；20, annular accommodation groove；30, draw leak hole；100, leak detection component；101, leak-off connection；102, third valve；103, it hunts leak
Pipe；104, leakage detector；105, temperature sensor；106, pressure sensor；200, the first container；300, second container；
400, open containers；500, floating cover；600, end cap.
Specific embodiment
The technical solution of the utility model is further elaborated with specific embodiment with reference to the accompanying drawing.
First class formation of the seal assembly shown in Figure 1 that use for the utility model, including with hollow cavity
Elastic seal ring 1 and own elasticity sealing ring 1 the outwardly extending pressure charging pipe 2 in shaft end portion, elastic seal ring 1 radially inner side week
Portion and radial outside circumference are respectively used to be formed between the component of connection to be sealed and be tightly connected.The lumen and bullet of pressure charging pipe 2
The hollow cavity of property sealing ring 1 is connected, and pressure charging pipe 2 extends outward to form the first branch pipe 21 and the second branch pipe 22.
Seal assembly further includes being connected on the first branch pipe 21 for being filled with pressurising medium 11 into the lumen of pressure charging pipe 2
Supercharging device is equipped with the first valve 4 between the first branch pipe 21 and supercharging device；The nozzle of second branch pipe 22 is equipped with the second valve 5,
The second branch pipe 22 is towards 2 outside unilaterally connected of pressure charging pipe when second valve 5 is opened.Herein, the first valve 4 and the second valve 5
It is automatic stop valve.Pressurising medium, which is filled in elastic seal ring 1, makes its expansion, the radially inner side circumference of elastic seal ring 1 with
Radial outside circumference is squeezed with component to be sealed respectively, forms Sealing Stress, generates sealing effect.
Specifically, the material of elastic seal ring 1 is nonmetallic or metal material, and nonmetallic materials, such as rubber preferentially can be selected
Glue.The section of elastic seal ring 1 preferably uses O-shaped.Pressurising medium is gas or liquid, preferentially selects inert gas, such as nitrogen.
Supercharging device includes constant-pressure tank 3, and the outlet of constant-pressure tank 3 can be connected to by the first valve 4 with the first branch pipe 21, with
The pressurising medium in constant-pressure tank 3 is filled with the first branch pipe 21 when the first valve 4 is opened, so that it is hollow to increase elastic seal ring 1
The pressure of medium in inner cavity.
Elastic seal ring 1 is preferably wholely set with pressure charging pipe 2, wherein pressure charging pipe 2 is set as one or circumferentially spaced
More be distributed in 1 shaft end portion of elastic seal ring.
Shown in Figure 1, which further includes the pressure sensor for measuring 2 intraluminal pressure medium of pressure charging pipe
9 and pressure gauge 8, with the pressure for monitoring medium in 1 hollow cavity of elastic seal ring, to know elastic seal ring 1
Sealing state.
The seal assembly further includes intelligent pressure regulating device 10, and signal connects between intelligent pressure regulating device 10 and pressure sensor 9
It connects, and can accordingly control opening for the first valve 4 and the second valve 5 according to the pressure medium value that pressure sensor 9 detects
It opens and closes, so that the pressure medium in 1 hollow cavity of elastic seal ring is kept within the set range.Specifically, pressing
Control opens the first valve 4 and supplements pressurization into pressure charging pipe 2 when the pressure medium value that force snesor 9 measures is less than setting range
Medium, when pressure medium value is greater than setting range, control opens the second valve 5 and discharges the pressurising medium in pressure charging pipe 2
A part, so that the pressure in elastic seal ring 1 maintains in a certain range.It thereby realizes to seal assembly work
Make the real-time monitoring of state, and can the sealing structure change in size caused by any factor make a response, pass through control elasticity
1 internal pressure of sealing ring, is rationally adapted to its sealing structure, accurately adjusts or compensate for the Sealing Stress of missing, so that sealing be made to hold
It is continuous effective.
Second class formation of the seal assembly shown in Figure 6 used for the utility model, the second class knot of seal assembly
Structure and the first class formation are almost the same, the difference is that seal assembly includes multiple elastic seal rings 1 of coaxial inner conductor setting,
Multiple elastic seal rings 1 are intervally arranged along its axially extending direction, and connecting tube 6 is equipped between two adjacent elastic seal rings 1,
The hollow cavity of two neighboring elastic seal ring 1 is connected by the lumen of connecting tube 6, this class formation can form multiple close
The contact area of envelope, elastic seal ring 1 increases, and the sealing effect of seal assembly can be improved.
Similar with pressure charging pipe 2, connecting tube 6 is set as more of one or circumferentially spaced, in other certain realities
It applies in mode, connecting tube 6 may be set to be annular dowel made of the axial line rotation around elastic seal ring 1.Connecting tube 6
It is preferably one of the forming setting with two adjacent elastic seal rings 1.
It is shown in Figure 6, it further include being set between two neighboring elastic seal ring 1 in the second class formation of seal assembly
Spacer ring 7, spacer ring 7 are equipped with the perforation penetrated for connecting tube 6, and the two sides axial end portion of spacer ring 7 is not resisted against two elastic packings
On the shaft end of circle 1, plays the role of supporting two-side elastic sealing ring 1, can prevent seal assembly during installation, use
Elastic seal ring 1 generates the unnecessary dislocation such as twisting.When specific setting, two semi-circular structure make-ups are can be used in spacer ring 7
Cooperate, to form the perforation penetrated for connecting tube 6 and be supported between two elastic seal rings 1.
Embodiment 1
The embodiment 1 of the sealing device of the utility model is shown to Fig. 3 referring to fig. 2.The embodiment includes with hollow
The first container 200 of cavity, in the hollow reservoir of the first container 200 and can opposite the first container 200 axially movable
Second container 300, specially the first container 200 is set in the outside circumference of second container 300 herein.
Radial seal between the first container 200 and second container 300 is used for using the seal assembly of the first class formation, the
Annular accommodation groove 20 is provided in the inside circumference of one container 200, elastic seal ring 1 is set in the annular accommodation groove 20, and first
The end of container 200 is fixedly connected with end cap 600, and end cap 600 is used to limit elastic seal ring 1 in axial position.It is close at this
In the use process of seal apparatus, there is axially opposite position between 300 outside circumference of 200 inside circumference of the first container and second container
It moves, since the outer diameter of second container 300 is not identical everywhere, and by medium in the first container 200 and second container 300
Temperature such as influences at the factors, closure size exist it is uncertain, but since seal assembly can be in automatic adjustable elastic sealing ring 1
Pressure, therefore can be always ensured that the sealing effect of sealing device.
Embodiment 2
The embodiments of the present invention 2 are shown to Fig. 5 referring to fig. 4.The sealing device of the embodiment includes with hollow
The open containers 400 of cavity, in the hollow reservoir of open containers 400 and can opposed open container 400 axially movable
Floating cover 500, seal assembly use the first class formation, elastic seal ring 1 be set to floating cover 500 outside circumference on
In annular accommodation groove 20, end cap 600, which is fixedly connected in the outside circumference of floating cover 500, gives axial direction to elastic seal ring 1
Limit.In the use process of the sealing device, the axially opposed open containers 400 of floating cover 500 have displacement to generate, elasticity
The closure size of sealing ring 1 can constantly change with displacement, or by the temperature of sealing medium, pressure in open containers 400
The factors such as power variation influence, and can be pressurized or discharge part by being filled with pressurising medium into the hollow cavity of elastic seal ring 1
Pressurising medium and the pressure in automatic adjustable elastic sealing ring 1, therefore can be always ensured that the sealing effect of sealing device.
Embodiment 3
It show the embodiments of the present invention 3 referring to figs. 7 and 8.The present embodiment and 1 structure of embodiment are almost the same,
The difference is that seal assembly uses the second class formation, and sealing device further includes leak detection component 100, wherein first holds
It is additionally provided on device 200 and draws leak hole 30 with what annular accommodation groove 20 was connected, leak detection component 100 includes that leak hole 30 is drawn in connection
Leak-off connection 101, the leak detection tube 103 being connect by third valve 102 with leak-off connection 101, and the leakage being connect with leak detection tube 103
Detector 104 is additionally provided with temperature sensor 105 and pressure sensor 106 on leak detection tube 103.This makes it possible to real-time detections
Whether leaked at elastic seal ring 1, improves the reliability of sealing device.
Embodiment 4
The embodiments of the present invention 4 are shown referring to Fig. 9 and Figure 10.The present embodiment and 2 structure of embodiment are almost the same,
The difference is that seal assembly uses the second class formation, and also use the leak detection component 100 similar with embodiment 3.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it
It is interior.
Claims (10)
1. a kind of adjustable apex combustion seal of sealed pressure, including with hollow reservoir the first component, be set to it is described hollow
In cavity and can the second component of the relatively described first component axially movable, and be set to circumference on the inside of the first component
With the seal assembly being connect between circumference for the two radial seal on the outside of the second component, it is characterised in that: the sealing
Component includes the elastic seal ring with hollow cavity, the outwardly extending pressure charging pipe in shaft end portion from the elastic seal ring, institute
The lumen for stating pressure charging pipe is connected with the hollow cavity of the elastic seal ring, and the pressure charging pipe extends outward to form first
Branch pipe and the second branch pipe, the seal assembly further include being connected on first branch pipe for into the lumen of the pressure charging pipe
It is filled with the supercharging device of pressurising medium, the first valve is equipped between first branch pipe and the supercharging device；Described second
The nozzle of pipe is equipped with the second valve, when second valve is opened described in the second branch pipe towards unidirectionally connecting outside the pressure charging pipe
It is logical, between the outside circumference of the elastic seal ring and the inside circumference of the first component, the inside of the elastic seal ring
Sealing is respectively formed between circumference and the outside circumference of the second component.
2. the adjustable apex combustion seal of sealed pressure according to claim 1, it is characterised in that: the seal assembly packet
Multiple elastic seal rings of coaxial inner conductor setting are included, are equipped with connecting tube between two adjacent elastic seal rings,
The hollow cavity of the two neighboring elastic seal ring is connected by the lumen of the connecting tube, and the seal assembly is also
Including the spacer ring being set between the two neighboring elastic seal ring, the spacer ring is equipped with to be worn for what the connecting tube penetrated
The two sides axial end portion in hole, the spacer ring is not resisted against on the shaft end of two elastic seal rings.
3. the adjustable apex combustion seal of sealed pressure according to claim 2, it is characterised in that: the connecting tube and phase
Two adjacent integrally formed settings of elastic seal ring, wherein the connecting tube has one or circumferentially spaced more
Root, alternatively, the connecting tube is annular dowel made of rotating around the axial line of the elastic seal ring.
4. the adjustable apex combustion seal of sealed pressure according to claim 1, it is characterised in that: the elastic seal ring
It is wholely set with the pressure charging pipe, wherein the pressure charging pipe has one or circumferentially spaced in the elastic seal ring axis
More on end.
5. the adjustable apex combustion seal of sealed pressure according to claim 1, it is characterised in that: the supercharging device packet
Constant-pressure tank is included, the outlet of the constant-pressure tank is connected to when first valve is opened with first branch pipe.
6. the adjustable apex combustion seal of sealed pressure according to claim 1, it is characterised in that: first valve,
Second valve is automatic stop valve.
7. the adjustable apex combustion seal of sealed pressure according to claim 1, it is characterised in that: the seal assembly is also
Including the pressure sensor and intelligent pressure regulating device for measuring the pressure charging pipe intraluminal pressure medium, the intelligence is adjusted
Signal connects between pressure device and the pressure sensor, and is less than setting in the pressure medium value of pressure sensor measurement
First valve, control opening second valve when the pressure medium value is greater than setting range are opened in control when range
Door.
8. the adjustable apex combustion seal of sealed pressure according to claim 1, it is characterised in that: the first component with
Annular accommodation groove is provided on a component in the second component both parts, the elastic seal ring is set to the ring
In shape accommodation groove, the apex combustion seal further includes leak detection component, wherein is provided with the component of the annular accommodation groove
On be additionally provided with the leak hole that draws be connected to the annular accommodation groove, the leak detection component include connect described in draw leak hole draw leakage
Pipe, the leak detection tube being connect by third valve with the leak-off connection, and the leakage detector being connect with the leak detection tube, it is described
Temperature sensor and pressure sensor are additionally provided on leak detection tube.
9. the adjustable apex combustion seal of sealed pressure according to any one of claims 1 to 8, it is characterised in that: described
The first component is the first container, and the second component is second container, and the first container is set in the outer of the second container
And it can be all along the inside that the axial movement of the second container, the elastic seal ring are set to the first container in the circumference of side
In portion.
10. the adjustable apex combustion seal of sealed pressure according to any one of claims 1 to 8, it is characterised in that: described
The first component is open containers, and the second component is floating cover, and the floating cover is housed in the open containers
And it can be all along the outside that the axial movement of the open containers, the elastic seal ring are set to the floating cover in empty cavity
In portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820733674.6U CN208204021U (en) | 2018-05-17 | 2018-05-17 | A kind of adjustable apex combustion seal of sealed pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820733674.6U CN208204021U (en) | 2018-05-17 | 2018-05-17 | A kind of adjustable apex combustion seal of sealed pressure |
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| Publication Number | Publication Date |
|---|---|
| CN208204021U true CN208204021U (en) | 2018-12-07 |
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ID=64517757
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820733674.6U Active CN208204021U (en) | 2018-05-17 | 2018-05-17 | A kind of adjustable apex combustion seal of sealed pressure |
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| Country | Link |
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| CN (1) | CN208204021U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426036A (en) * | 2018-05-17 | 2018-08-21 | 苏州宝骅密封科技股份有限公司 | A kind of adjustable apex combustion seal of sealed pressure |
-
2018
- 2018-05-17 CN CN201820733674.6U patent/CN208204021U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426036A (en) * | 2018-05-17 | 2018-08-21 | 苏州宝骅密封科技股份有限公司 | A kind of adjustable apex combustion seal of sealed pressure |
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