CN207195651U - underwater sealing device - Google Patents
underwater sealing device Download PDFInfo
- Publication number
- CN207195651U CN207195651U CN201720815464.7U CN201720815464U CN207195651U CN 207195651 U CN207195651 U CN 207195651U CN 201720815464 U CN201720815464 U CN 201720815464U CN 207195651 U CN207195651 U CN 207195651U
- Authority
- CN
- China
- Prior art keywords
- end cap
- sealing
- mating holes
- housing
- underwater
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of underwater sealing device, it is characterised in that including：Housing, the first end cap（7）With the first sealing ring（8）；The housing has an assembly cavity, first end cap（7）It is connected on the housing；First end cap（7）It is respectively provided with the first mating holes, first end cap（7）Pass through first sealing ring（8）With the counterpart in first mating holes（9）Form dynamic sealing.The beneficial effect that the utility model is reached：Preferable dynamic sealing effect can be provided, while can also prevent medium from invading by static seal when dynamic sealing fails.
Description
Technical field
The invention belongs to movable sealing technical field, and in particular to a kind of underwater sealing device.
Background technology
Sealing is to prevent working media from machine（Or equipment）Middle leakage or introduced contaminants invade a kind of its internal measure.
The working media sealed can be gas, liquid or powdery solid.Sealing is divided into static seal and dynamic sealing, machinery（Or equipment
In）Sealing between geo-stationary part is referred to as static seal；Sealing between relative motion part is referred to as dynamic sealing.Poor sealing can reduce machine
Device efficiency, cause to waste and pollute environment.The working media leakage entail dangers to person and equipment peace of inflammable, explosive or poisonous property
Entirely.Gas and water or dust intrusion equipment can pollute working media, influence product quality, increase parts depreciation, shorten service life of a machine,
Especially in marine system, once seal failure will produce great potential safety hazard, serious threat hull and ship's staff
Navigation safety.
The content of the invention
It is an object of the invention to overcome deficiency of the prior art, there is provided a kind of underwater sealing device, using the teaching of the invention it is possible to provide compared with
Good dynamic sealing effect, while can also prevent medium from invading by static seal when dynamic sealing fails.
To solve prior art problem, the present invention adopts the following technical scheme that：Underwater sealing device, including：
Housing, the first end cap and the first sealing ring；
The housing has an assembly cavity, and first end cap is connected on the housing；First end cap is respectively provided with
First mating holes, first end cap are made up of first sealing ring and the counterpart in first mating holes
Dynamic sealing.
Further, in addition to the second end cap and the second sealing ring；Second end cap is connected on the housing；It is described
Second end cap has the second mating holes, and second end cap is by second sealing ring with being arranged in second mating holes
Counterpart form dynamic sealing.
Further, in addition to the 3rd end cap, the 3rd sealing ring and emergency sealing gland；First end cap, described
Two end caps and the 3rd end cap are connected on the housing successively；3rd end cap has the 3rd mating holes, described urgent
Sealing gland has the annular projection of an axially extending formation；3rd end cap has the receipts of connection the 3rd mating holes
Rong Kong, the cross-sectional area of the accepting hole are more than the cross-sectional area of the 3rd mating holes；The end of the ring-type neck can
Insert in the accepting hole so as to which the 3rd sealing ring is fixed in the accepting hole so as to matching somebody with somebody installed in the described 3rd
The counterpart closed in hole forms static seal；
The emergency sealing gland couples with the 3rd end cap.
Further, the housing includes upper casing and the lower casing coupled with the upper casing；First end cap is connected in institute
The lower end of lower casing is stated, second end cap is connected in the upper end of the lower casing or the lower end of the upper casing, the 3rd end cap connection
It is connected to the upper end of the upper casing.
Further, the upper casing has the first connection flange, and the lower casing has the second connection flange, and described first
Acting flange is connected by bolts with second connection flange.
Further, in addition to the 3rd end cap, the 3rd sealing ring and emergency sealing gland；3rd end cap is connected in institute
State on housing；3rd end cap has the 3rd mating holes, and the emergency sealing gland has the ring-type of an axially extending formation
It is raised；3rd end cap has the accepting hole of connection the 3rd mating holes, and the cross-sectional area of the accepting hole is more than institute
State the cross-sectional area of the 3rd mating holes；The end of the ring-type neck is inserted into the accepting hole so as to close by the described 3rd
Seal is fixed in the accepting hole so as to form static seal with the counterpart in the 3rd mating holes；
The emergency sealing gland couples with the 3rd end cap.
Further, the counterpart at least has the rotating part using an axis as gyroaxis.
Further, the housing has the first connection flange and the second connection flange.
Further, first connection flange and second connection flange are respectively provided with mounting hole.
Further, the housing has the porus excretorius of UNICOM's assembly cavity.
The beneficial effect that the present invention is reached：Preferable dynamic sealing effect can be provided, while can also be lost in dynamic sealing
Prevent medium from invading by static seal during effect.
Brief description of the drawings
Fig. 1 is the structure sectional view of the present invention.
Reference：
1- upper casings；2- lower casings；The end caps of 3- the 3rd；4- emergency sealing glands；The sealing rings of 5- the 3rd；The end caps of 6- second；7-
One end cap；The sealing rings of 8- first；9- counterparts；The sealing rings of 10- second.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating the present invention
Technical scheme, and can not be limited the scope of the invention with this.
Embodiment one
The present invention proposes a kind of underwater sealing device, including：Housing, the first end cap 7, the first sealing ring 8, the second end cap 6
With the second sealing ring 10.
Housing has an assembly cavity, and the first end cap 7 and the second end cap 6 are connected in the both ends of housing respectively；First end cap 7 is equal
With the first mating holes, the first end cap 7 is made up of dynamic close the first sealing ring 8 with the counterpart 9 in the first mating holes
Envelope.Second end cap 6 has the second mating holes, and the second end cap 6 passes through the second sealing ring 10 and matching somebody with somebody in the second mating holes
Component 9 forms dynamic sealing.
Counterpart 9 at least has the rotating part using an axis as gyroaxis.
Housing has the first connection flange and the second connection flange, and the first connection flange and the second connection flange are respectively provided with peace
Fill hole.Being connected and fixed for the device and other parts is realized by two connection flanges.
Housing has the porus excretorius of UNICOM's assembly cavity, and porus excretorius is between the first end cap 7 and the second end cap 6, for arranging
Go out the water penetrated into by seal failure in housing.
In the present embodiment, the excellent sealing in the motion process of counterpart 9 is realized by twice dynamic sealing, avoids external agency
Into enclosure interior.
Embodiment two
The present invention proposes a kind of underwater sealing device, including：Housing, the first end cap 7, the first sealing ring 8, the 3rd end cap 3,
3rd sealing ring 5 and emergency sealing gland 4.
Housing has an assembly cavity, and the first end cap 7 and the 3rd end cap 3 are connected in the both ends of housing respectively；First end cap 7 is equal
With the first mating holes, the first end cap 7 is made up of dynamic close the first sealing ring 8 with the counterpart 9 in the first mating holes
Envelope.3rd end cap 3 has the 3rd mating holes, and the 3rd end cap 3 passes through the 3rd sealing ring 5 and the cooperation in the 3rd mating holes
Part 9 forms static seal.
Emergency sealing gland 4 has the annular projection of an axially extending formation；There is 3rd end cap 3 connection the 3rd to coordinate
The accepting hole in hole, the cross-sectional area of accepting hole are more than the cross-sectional area of the 3rd mating holes；The end of ring-type neck is inserted into receiving
Rong Kongzhong is so that the 3rd sealing ring 5 is fixed in accepting hole；Emergency sealing gland 4, the 3rd end cap 3 and housing couple successively.
Counterpart 9 at least has the rotating part using an axis as gyroaxis.
Housing has the first connection flange and the second connection flange, and the first connection flange and the second connection flange are respectively provided with peace
Fill hole.Being connected and fixed for the device and other parts is realized by two connection flanges.
Housing has the porus excretorius of UNICOM's assembly cavity, and porus excretorius is between the first end cap 7 and the 3rd end cap 3, for arranging
Go out the water penetrated into by seal failure in housing.
In the present embodiment, the excellent sealing in the motion process of counterpart 9 is realized by one of dynamic sealing, avoids external agency
Into enclosure interior.Medium penetrates further into when realizing that dynamic sealing fails by one of static seal, serves last protection together
Effect.
Embodiment three
As shown in figure 1, the present invention proposes a kind of underwater sealing device, including：Housing, the first end cap 7, the first sealing ring 8,
Second end cap 6, the second sealing ring 10, the 3rd end cap 3, the 3rd sealing ring 5 and emergency sealing gland 4.
Housing has an assembly cavity, and the first end cap 7, the second end cap 6 and the 3rd end cap 3 are connected in housing successively；First end
Lid 7 is respectively provided with the first mating holes, and the first end cap 7 is made up of the first sealing ring 8 and the counterpart 9 in the first mating holes
Dynamic sealing.Second end cap 6 has the second mating holes, and the second end cap 6 is by the second sealing ring 10 with being arranged in the second mating holes
Counterpart 9 form dynamic sealing.3rd end cap 3 has the 3rd mating holes, and the 3rd end cap 3 is by the 3rd sealing ring 5 with being arranged on
Counterpart 9 in 3rd mating holes forms static seal.
Emergency sealing gland 4 has the annular projection of an axially extending formation；There is 3rd end cap 3 connection the 3rd to coordinate
The accepting hole in hole, the cross-sectional area of accepting hole are more than the cross-sectional area of the 3rd mating holes；The end of ring-type neck is inserted into receiving
Rong Kongzhong is so that the 3rd sealing ring 5 is fixed in accepting hole；Emergency sealing gland 4, the 3rd end cap 3 and housing couple successively.
Counterpart 9 at least has the rotating part using an axis as gyroaxis.
Housing includes upper casing 1 and the lower casing 2 coupled with upper casing 1；First end cap 7 is connected in the lower end of lower casing 2, the second end cap
6 are connected in the lower end of the upper end of lower casing 2 or upper casing 1, and the 3rd end cap 3 is connected in the upper end of upper casing 1.
Upper casing 1 has the first connection flange, and lower casing 2 has the second connection flange, the first connection flange and the second attached method
Orchid is respectively provided with mounting hole, and the first connection flange is connected by bolts with the second connection flange.Pass through the first connection flange and second
Connection flange not only realizes the connection of upper casing 1 and lower casing 2, moreover it is possible to realizes coupling for the device and other parts.
Housing has under the porus excretorius of UNICOM's assembly cavity, porus excretorius be particularly located between the first end cap 7 and the second end cap 6
On shell 2, for discharging the water penetrated into by seal failure in housing.
In the present embodiment, the excellent sealing in the motion process of counterpart 9 is realized by twice dynamic sealing, avoids external agency
Into enclosure interior.Medium penetrates further into when realizing that twice dynamic sealing fails by one of static seal, serves last
The effect of road protection.Sealing device in the embodiment has better seal and protection effect, can be applied to seal request
Higher occasion.
In the present invention, it be able to can be made urgent close by further tightening the attachment bolt on fixed emergency sealing gland 4
Sealed cover 4, which extrudes the 3rd sealing ring 5, makes the 3rd sealing ring 5 further deform, and increases by the 3rd contact with counterpart 9 of sealing ring 5
Area and contact, so as to improve static seal degree.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these are improved and deformation
Also it should be regarded as protection scope of the present invention.
Claims (9)
1. underwater sealing device, it is characterised in that including：
Housing, the first end cap（7）With the first sealing ring（8）；
The housing has an assembly cavity, first end cap（7）It is connected on the housing；First end cap（7）Have
There are the first mating holes, first end cap（7）Pass through first sealing ring（8）With matching somebody with somebody in first mating holes
Component（9）Form dynamic sealing.
2. underwater sealing device according to claim 1, it is characterised in that also including the second end cap（6）With the second sealing
Circle（10）；Second end cap（6）It is connected on the housing；Second end cap（6）With the second mating holes, described second
End cap（6）Pass through second sealing ring（10）With the counterpart in second mating holes（9）Form dynamic sealing.
3. underwater sealing device according to claim 2, it is characterised in that also including the 3rd end cap（3）, the 3rd sealing ring
（5）With emergency sealing gland（4）；First end cap（7）, second end cap（6）With the 3rd end cap（3）Couple successively
In on the housing；3rd end cap（3）With the 3rd mating holes, the emergency sealing gland（4）It is axially extending with one
The annular projection of formation；3rd end cap（3）Accepting hole with connection the 3rd mating holes, the horizontal stroke of the accepting hole
Sectional area is more than the cross-sectional area of the 3rd mating holes；The end of the ring-type neck be inserted into the accepting hole so as to
By the 3rd sealing ring（5）Be fixed in the accepting hole so as to the counterpart in the 3rd mating holes（9）
Form static seal；
The emergency sealing gland（4）With the 3rd end cap（3）Connection.
4. underwater sealing device according to claim 3, it is characterised in that the housing includes upper casing（1）With with it is described
Upper casing（1）The lower casing of connection（2）；First end cap（7）It is connected in the lower casing（2）Lower end, second end cap（6）Connection
It is connected to the lower casing（2）Upper end or the upper casing（1）Lower end, the 3rd end cap（3）It is connected in the upper casing（1）It is upper
End.
5. underwater sealing device according to claim 4, it is characterised in that the upper casing（1）With the first connection flange,
The lower casing（2）With the second connection flange, first connection flange is connected by bolts with second connection flange.
6. underwater sealing device according to claim 1, it is characterised in that also including the 3rd end cap（3）, the 3rd sealing ring
（5）With emergency sealing gland（4）；3rd end cap（3）It is connected on the housing；3rd end cap（3）With the 3rd
Mating holes, the emergency sealing gland（4）Annular projection with an axially extending formation；3rd end cap（3）With one
The accepting hole of the 3rd mating holes is connected, the cross-sectional area of the accepting hole is more than the cross-sectional area of the 3rd mating holes；
The end of the ring-type neck is inserted into the accepting hole so as to by the 3rd sealing ring（5）It is fixed on the accepting hole
In so as to the counterpart in the 3rd mating holes（9）Form static seal；
The emergency sealing gland（4）With the 3rd end cap（3）Connection.
7. underwater sealing device according to any one of claims 1 to 6, it is characterised in that the counterpart（9）At least have
Rotating part using an axis as gyroaxis.
8. underwater sealing device according to claim 5, it is characterised in that first connection flange and described second
Acting flange is respectively provided with mounting hole.
9. underwater sealing device according to any one of claims 1 to 6, it is characterised in that the housing has UNICOM's assembling
The porus excretorius of chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720815464.7U CN207195651U (en) | 2017-07-07 | 2017-07-07 | underwater sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720815464.7U CN207195651U (en) | 2017-07-07 | 2017-07-07 | underwater sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207195651U true CN207195651U (en) | 2018-04-06 |
Family
ID=61785418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720815464.7U Active CN207195651U (en) | 2017-07-07 | 2017-07-07 | underwater sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207195651U (en) |
-
2017
- 2017-07-07 CN CN201720815464.7U patent/CN207195651U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204333885U (en) | A kind of cable intermediate joint anti-explosion cover | |
| CN207195651U (en) | underwater sealing device | |
| CN107191594A (en) | underwater sealing device | |
| CN1711007B (en) | Insulation oil expansion part for X-ray source | |
| CN213479168U (en) | Dynamic and static double-sealing structure | |
| CN102966789B (en) | Multiply sealed corrugated pipe stop valve | |
| CN205621564U (en) | Leak protection oil oil -immersed transformer | |
| CN101865327A (en) | Control valve with bellows reverse pressure-bearing sealing structure | |
| CN210440717U (en) | Air tightness detection sealing connection device with elbow core body assembly | |
| CN210516386U (en) | Thermometer capillary tube mounting structure for SF6 gas insulation transformer | |
| CN103234115A (en) | Explosion-proof hole sealing device of low-temperature mobile liquid storage equipment | |
| CN210347008U (en) | Test device for external sealing air tightness of hub bearing | |
| CN103486264B (en) | Cable trench sealing device | |
| CN207702022U (en) | Pipe orifice sealing mechanism | |
| CN207538937U (en) | A kind of engine cylinder ring and engine with double limiting layers | |
| CN210296247U (en) | Sealing structure suitable for outdoor 10kV SF6 circuit breaker | |
| CN212296293U (en) | Through cable high-pressure blowout preventer | |
| CN211924889U (en) | Nitrogen sealing device for shaft sealing | |
| CN220268415U (en) | Sealing structure of ultrahigh pressure container | |
| CN217422306U (en) | Sealing structure of safety valve | |
| CN213451666U (en) | High-air-tightness sealing structure for gas-insulated high-voltage electrical equipment | |
| CN211501612U (en) | Pressure vessel sealing cover | |
| CN216407730U (en) | Coal pulverizer pull rod seal structure | |
| CN210943473U (en) | Powder sealing device for shaft of bucket elevator | |
| CN103887729A (en) | Cushion seal bolt for gas insulated switchgear |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |