CN206817168U - A kind of sealing device with decompression protection function - Google Patents
A kind of sealing device with decompression protection function Download PDFInfo
- Publication number
- CN206817168U CN206817168U CN201720665992.9U CN201720665992U CN206817168U CN 206817168 U CN206817168 U CN 206817168U CN 201720665992 U CN201720665992 U CN 201720665992U CN 206817168 U CN206817168 U CN 206817168U
- Authority
- CN
- China
- Prior art keywords
- fixed part
- butt joint
- hermatic door
- sealing device
- retaining mechanism
- 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
Landscapes
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The utility model provides a kind of sealing device with decompression protection function, including butt joint, hermatic door and retaining mechanism, and the butt joint has hollow structure, and its one end is used for the outlet for docking cavity, cavity is in communication with the outside；The butt joint is provided with the first fixed part, and the hermatic door is provided with the second fixed part, and the retaining mechanism is by connecting first fixed part and second fixed part, to realize locking；The retaining mechanism is provided with elastic parts, when normal pressure is more than given threshold in the cavity, first fixed part and second fixed part therefore produce mutually from trend, make the retaining mechanism that elastic deformation occur.The beneficial effects of the utility model are：Excess pressure is discharged by the retaining mechanism of flexible component, avoids parts from being monitored in real time without operating personnel because overvoltage causes to damage.
Description
Technical field
It the utility model is related to mechanically-sealing apparatus field, more particularly to a kind of sealing device with decompression protection function.
Background technology
In scientific research field, for the demand of research and development or experiment, it is sometimes desirable to gas is injected in the cavity of sealing, to improve
Pressure in cavity, or provide condition for some gas reactions；But when cavity internal pressure is excessive, the container for forming cavity may
Crack or deformation can be produced because incessantly internal high pressure is born, it is also possible to therefore cause related components to be damaged.
Utility model content
In order to solve the above-mentioned technical problem, a kind of sealing device with elastic locking mechanism is disclosed in the utility model,
The technical solution of the utility model is implemented：
A kind of sealing device with decompression protection function, including butt joint, hermatic door and retaining mechanism, the butt joint tool
There is hollow structure, its one end is used for the opening for docking cavity, cavity is in communication with the outside；The retaining mechanism is used for will be described close
Closure door is locked on the other end in the butt joint, cavity hatch is formed the state completely cut off with extraneous when necessary；It is described
Butt joint is provided with the first fixed part, and the hermatic door is provided with the second fixed part, and the retaining mechanism is by connecting described
One fixed part and second fixed part, to realize locking；The retaining mechanism is provided with elastic parts, when in the cavity just
When pressure is more than given threshold, first fixed part and second fixed part therefore produce mutually from trend, make the lock
Elastic deformation occurs for tight mechanism.
Preferably, the retaining mechanism includes handle and clamping joint, and the handle is hinged with first fixed part, described
Clamping joint is arranged on second fixed part, and the handle includes connecting rod, handle head and spring, and the spring housing is located at
In the connecting rod, the handle head is arranged on one end of the connecting rod；The butt joint is in locking with the hermatic door
During state, the spring is between the handle head and the clamping joint.
Preferably, the handle head is rotatably connected in the connecting rod.
Preferably, the handle also includes sliding shoe, and the sliding shoe is slideably sheathed in the connecting rod；It is described
When butt joint is in locking state with the hermatic door, the sliding shoe first end offsets with the spring, the sliding shoe
Second end offsets with the clamping joint.
Preferably, the clamping joint includes clamping projection, for when the sliding shoe is connected in the clamping joint, limiting
Movement of the sliding shoe in the connecting rod radially.
Preferably, the 3rd fixed part is provided with the hermatic door, the 4th fixed part is provided with the butt joint, it is described
3rd fixed part is hinged with the 4th fixed part.
Preferably, the butt joint is flange, in the one side that the butt joint is docked with the hermatic door, from the inside to the outside according to
Secondary to be provided with the first seal groove and the second seal groove, first seal groove in second seal groove with being equipped with caulking gum
Circle.
Preferably, the section of first seal groove and second seal groove is trapezoidal.
Preferably, passage is offered in the one side that the butt joint is docked with the hermatic door, the passage is located at
The outlet connected with the passage is provided between first seal groove and second seal groove, on the outside of the butt joint
Mouthful.
Preferably, it is provided with transparent window on the hermatic door.
Implementing the beneficial effects of the utility model is：
1st, when over-pressed in cavity, retaining mechanism, which is pressurized, occurs elastic deformation, and the butt joint being locked divides slightly with hermatic door
From, discharge excess pressure, avoid parts from being monitored in real time without operating personnel because overvoltage causes to damage, prevent operating personnel because
Parts overvoltage blast and it is injured；
2nd, transparent window personnel easy to operation observe inside cavity situation；
The 3rd, double-layer seal groove is set, and open up passage, the gas between seal groove is extracted using exhaust flange, improves close
The effect of envelope.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is a kind of embodiment of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is sealing device open mode schematic diagram in one embodiment；
Fig. 2 is sealing device locking state schematic diagram in one embodiment；
Fig. 3 is the structural representation of handle in one embodiment；
Fig. 4 is the structural representation of clamping joint in one embodiment；
Fig. 5 is the cross-sectional view of seal groove and passage in one embodiment；
Fig. 6 is the overlooking the structure diagram of seal groove and passage in one embodiment.
In above-mentioned accompanying drawing, each figure number mark represents respectively：
1- butt joints,
The fixed parts of 11- first, the fixed parts of 12- the 4th, the seal grooves of 13- first, the seal grooves of 14- second, 15- passages,
2- hermatic doors,
The fixed parts of 21- second, the fixed parts of 22- the 3rd, 23- transparent windows,
3- retaining mechanisms,
31- handles, 311- connecting rods, 312- handle heads, 313- springs, 314- sliding shoes,
32- clamping joints, 321- clampings are raised,
4- exhaust flanges, 5- sealing rubber rings.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
In a specific embodiment, a kind of sealing device with decompression protection function, as shown in Figure 1 and Figure 2, including
Butt joint 1, hermatic door 2 and retaining mechanism 3, the butt joint 1 have hollow structure, and its one end is used for the opening for docking cavity,
Cavity is in communication with the outside；The retaining mechanism 3 is used for the other end being locked at the hermatic door 2 in the butt joint 1,
Cavity hatch is set to form the state completely cut off with extraneous when necessary；The butt joint 1 is provided with the first fixed part 11, the sealing
Door 2 is provided with the second fixed part 21, and the retaining mechanism 3 is by connecting first fixed part 11 and second fixed part
21, to realize locking；The retaining mechanism 3 is provided with elastic parts, when normal pressure is more than given threshold in the cavity, institute
State the first fixed part 11 and second fixed part 21 therefore produce mutually from trend, make the retaining mechanism 3 that elastic shape occur
Become.
Butt joint 1 is used for the opening for docking cavity, and the opening of cavity can be used as outlet or entrance, generally right
Joint 1 can be flange, can also be replaced according to being actually needed using other mechanical devices, if can reach docking cavity with
Extraneous function.
Hermatic door 2 is used to separate cavity and external environment when needed, ensures that the reaction in cavity is interference-free.
When hermatic door 2 is lock onto in butt joint 1 by retaining mechanism 3, the cavity connected with butt joint 1 is i.e. in sealing shape
State, when being in overvoltage condition in cavity, parts damages are easily caused, because the retaining mechanism 3 in the utility model is provided with bullet
Property component, when over-pressed in cavity, in the range of the elastic deformation of the elastic parts of retaining mechanism 3, hermatic door is pressurized, retaining mechanism 3
Generation elastic deformation so that in the case of the locking states of retaining mechanism 3 are kept, hermatic door 2 separates slightly with butt joint 1, will
Unnecessary pressure is discharged into the external world in cavity, after pressure release, under the elastic parts effect of retaining mechanism 3, hermatic door 2 with it is right
Joint 1 returns to locking state.
Elastic parts on retaining mechanism 3 can be the elastomeric material of spring etc, when over-pressed in cavity, the elasticity of compression
Component so that butt joint 1 is separated with release of pressure with hermatic door 2；Can also be the elastomeric material of rubber band etc, overvoltage in cavity
When, by tensile elasticity component, butt joint 1 is separated with release of pressure with hermatic door 2.
In a preferred embodiment, such as Fig. 2~3, the retaining mechanism 3 includes handle 31 and clamping joint 32, described
Handle 31 is be hinged with first fixed part 11, and the clamping joint 32 is arranged on second fixed part 21, the handle 31
Including connecting rod 311, handle head 312 and spring 313, the spring 313 is sheathed in the connecting rod 311, the handle
First 312 are arranged on one end of the connecting rod 311；When the butt joint 1 is in locking state with the hermatic door 2, the bullet
Spring 313 is between the handle head 312 and the clamping joint 32.
Handle 31 can be that axle center is rotated, it is necessary to when hermatic door 2 is lock onto in butt joint 1 with the first fixed part 11,
After the two is closed, rotational handle 31, handle 31 is caught in clamping joint 32, the one end of spring 313 offsets with handle head 312, separately
One end offsets with clamping joint 32, and hermatic door 2 is locked in butt joint 1.
When over-pressed in cavity, the compression spring 313 of hermatic door 2, with the phase of butt joint 1 from discharging in cavity after excess pressure, bullet
Hermatic door 2 is lock onto in butt joint 1 by spring 313 again.
In a preferred embodiment, the handle head 312 is rotatably connected in the connecting rod 311.
Connecting rod 311 can run through handle head 312, and rotary handle first 312, it can be moved up in the axle of connecting rod 311, effect
It is the compression degree for adjusting spring 313, hermatic door 2 is lock onto in butt joint 1.
In a preferred embodiment, as Fig. 2~3, the handle 31 also include sliding shoe 314, the sliding shoe 314
Slideably it is sheathed in the connecting rod 311；When the butt joint 1 is in locking state with the hermatic door 2, the slip
The first end of block 314 offsets with the spring 313, and the second end of the sliding shoe 314 offsets with the clamping joint 32.
Because spring is easier to deformation, in order to prevent multiple clamping from damage spring 313, between spring 313 and clamping joint 32
Sliding shoe 314 is provided with, when hermatic door 2 is with 1 locking of butt joint, sliding shoe 314 is used to be connected to clamping joint 32.
In a preferred embodiment, such as Fig. 4, the clamping joint 32 includes clamping projection 321, for when the slip
When block 314 is connected in the clamping joint 32, the movement of the sliding shoe 314 in the connecting rod 311 radially is limited.
When sliding shoe 314 is connected on clamping joint 32, clamping projection 321 props up the side of sliding shoe 314, anti-skidding motion block 314
Disengaged from clamping joint 32, for the ease of using, the outside of clamping projection 321 is provided with chamfering, during clamping sliding shoe 314, chamfering by
The compression spring 313 of sliding shoe 314 is gradually promoted,.
In a preferred embodiment, such as Fig. 1~2, in order to prevent that hermatic door 2 comes off under folding condition, the sealing
The 3rd fixed part 22 is provided with door 2, the 4th fixed part 12, the 3rd fixed part 22 and institute are provided with the butt joint 1
It is be hinged to state the 4th fixed part 12.
In a preferred embodiment, it is described right to improve sealing effectiveness if Fig. 5~6, the butt joint 1 are flange
In the one side that joint 1 docks with the hermatic door 2, the first seal groove 13 and the second seal groove 14, institute are sequentially provided with from the inside to the outside
The first seal groove 13 is stated with being equipped with sealing rubber ring 5 in second seal groove 14.
When hermatic door 2 is in locking state with butt joint 1, hermatic door 2 compresses sealing rubber ring, realizes and is tightly connected.
In a preferred embodiment, as Fig. 5, the section of first seal groove 13 and second seal groove 14 are equal
To be trapezoidal.
In a preferred embodiment, as opened in one side that Fig. 5~6, the butt joint 1 are docked with the hermatic door 2
Provided with passage 15, the passage 15 is between first seal groove 13 and second seal groove 14, the docking
First 1 outside is provided with the gas outlet connected with the passage 15.
Gas outlet can external exhaust flange 4, due to part, material friction, gas efficiency can raise in rotation process, influence
Sealing effectiveness, after hermatic door 2 is lock onto in butt joint 1, sealing rubber ring is compressed, it is right by exhaust flange 4 using air extractor
Gap between first seal groove 13 and the second seal groove 14 is evacuated, and improves the air-tightness of device.
In a preferred embodiment, it is provided with transparent window 23 on the hermatic door 2.
Transparent window 23 is easy to during using sealing device, observe situation in cavity.
The above-mentioned various embodiments enumerated, under the premise of reconcilable, can be mutually combined implementation, those skilled in the art
Can be with reference to accompanying drawing and the explanation to embodiment above, as the foundation being combined to the technical characteristic in different embodiments.
It is pointed out that the foregoing is only preferred embodiment of the present utility model, not limiting this reality
It is all within the spirit and principles of the utility model with new, any modification, equivalent substitution and improvements made etc., it all should include
Within the scope of protection of the utility model.
Claims (10)
- A kind of 1. sealing device with decompression protection function, it is characterised in that：Including butt joint (1), hermatic door (2) and locking machine Structure (3),The butt joint (1) has hollow structure, and its one end is used for the opening for docking cavity, cavity is in communication with the outside；The retaining mechanism (3) is used for the other end being locked at the hermatic door (2) in the butt joint (1), makes cavity Opening forms the state completely cut off with extraneous when necessary；The butt joint (1) is provided with the first fixed part (11), and the hermatic door (2) is provided with the second fixed part (21), described Retaining mechanism (3) is by connecting first fixed part (11) and second fixed part (21), to realize locking；The retaining mechanism (3) is provided with elastic parts, and when normal pressure is more than given threshold in the cavity, described first is solid Determine portion (11) and second fixed part (21) therefore produce mutually from trend, make the retaining mechanism (3) that elastic deformation occur.
- 2. sealing device according to claim 1, it is characterised in that：The retaining mechanism (3) includes handle (31) and card Joint (32),The handle (31) is be hinged with first fixed part (11), and the clamping joint (32) is arranged at second fixed part (21) on,The handle (31) includes connecting rod (311), handle head (312) and spring (313), and the spring (313) is sheathed on On the connecting rod (311), the handle head (312) is arranged on one end of the connecting rod (311)；When the butt joint (1) is in locking state with the hermatic door (2), the spring (313) is located at the handle head (312) and between the clamping joint (32).
- 3. sealing device according to claim 2, it is characterised in that：The handle head (312) is rotatably connected in the connecting rod (311) on.
- 4. sealing device according to claim 3, it is characterised in that：The handle (31) also includes sliding shoe (314), institute Sliding shoe (314) is stated slideably to be sheathed in the connecting rod (311)；When the butt joint (1) is in locking state with the hermatic door (2), sliding shoe (314) first end and the bullet Spring (313) offsets, and the second end and the clamping joint (32) of the sliding shoe (314) offset.
- 5. sealing device according to claim 4, it is characterised in that：The clamping joint (32) includes clamping projection (321), For when the sliding shoe (314) is connected in the clamping joint (32), limiting the sliding shoe (314) in the connecting rod (311) movement radially.
- 6. sealing device according to claim 1, it is characterised in that：The 3rd fixed part is provided with the hermatic door (2) (22) the 4th fixed part (12), the 3rd fixed part (22) and the 4th fixed part, are provided with the butt joint (1) (12) it is hinged.
- 7. sealing device according to claim 1, it is characterised in that：The butt joint (1) is flange, the butt joint (1) in the one side docked with the hermatic door (2), the first seal groove (13) and the second seal groove are sequentially provided with from the inside to the outside (14), first seal groove (13) in second seal groove (14) with being equipped with sealing rubber ring.
- 8. sealing device according to claim 7, it is characterised in that：First seal groove (13) and the described second sealing The section of groove (14) is trapezoidal.
- 9. sealing device according to claim 8, it is characterised in that：The butt joint (1) is docked with the hermatic door (2) One side on offer passage (15), the passage (15) is located at first seal groove (13) and second seal groove (14) gas outlet connected with the passage (15) is provided between, on the outside of the butt joint (1).
- 10. according to any described sealing device of claim 1~9, it is characterised in that：It is provided with the hermatic door (2) Photopic vision window (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720665992.9U CN206817168U (en) | 2017-06-08 | 2017-06-08 | A kind of sealing device with decompression protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720665992.9U CN206817168U (en) | 2017-06-08 | 2017-06-08 | A kind of sealing device with decompression protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206817168U true CN206817168U (en) | 2017-12-29 |
Family
ID=60758872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720665992.9U Active CN206817168U (en) | 2017-06-08 | 2017-06-08 | A kind of sealing device with decompression protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206817168U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113739070A (en) * | 2021-09-17 | 2021-12-03 | 枣庄学院 | Pressure limiting and adjusting device |
| CN113900496A (en) * | 2021-09-30 | 2022-01-07 | 东莞记忆存储科技有限公司 | Locking structure |
-
2017
- 2017-06-08 CN CN201720665992.9U patent/CN206817168U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113739070A (en) * | 2021-09-17 | 2021-12-03 | 枣庄学院 | Pressure limiting and adjusting device |
| CN113739070B (en) * | 2021-09-17 | 2022-09-02 | 枣庄学院 | Pressure limiting and adjusting device |
| CN113900496A (en) * | 2021-09-30 | 2022-01-07 | 东莞记忆存储科技有限公司 | Locking structure |
| CN113900496B (en) * | 2021-09-30 | 2024-04-02 | 东莞记忆存储科技有限公司 | Locking structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206817168U (en) | A kind of sealing device with decompression protection function | |
| CN105240526A (en) | Subdivision ring type fast opening device for container sealing end cover and natural gas filter | |
| CN204754540U (en) | Novel oven hinge with chamber door locking function | |
| CN211144235U (en) | Pressure-resistant cabin door structure with uniform stress and self-sealing | |
| KR101186830B1 (en) | Inlet guide vane device of compresser | |
| CN211174220U (en) | Mine waterproof door | |
| CN218468530U (en) | Lock ring type quick-opening straight plate closing interlocking device | |
| CN209621101U (en) | A kind of explosion-proof pre-buried plugging during imminence of war door | |
| CN207333183U (en) | Screw compressor | |
| US8251238B2 (en) | Two-piece closure device | |
| CN106028719A (en) | Liquid crystal display debugging opening sealing mechanism | |
| CN110322980A (en) | A kind of double-canopy sealing transfer device with safety interlocking | |
| CN110213924A (en) | A kind of terminal device | |
| CN207633972U (en) | New type explosion proof door | |
| CN204854319U (en) | Two -way lamination formula sealing device | |
| CN207649851U (en) | A kind of interval partition door air tightness detection equipment | |
| CN206708424U (en) | Slide valve | |
| CN103422791A (en) | Downhole fixed type refuge chamber protective airtight door for mine | |
| CN209324229U (en) | A kind of high strength reinforced concrete protective door | |
| CN109831607A (en) | A kind of dust-proof shell convenient for cleaning of security device | |
| CN205531986U (en) | Crawler -type tunnel hatch door for survival capsule | |
| CN216554022U (en) | Mine explosion door with locking mechanism | |
| CN210170880U (en) | Draw jar discharge gate structure | |
| CN214532673U (en) | High-sealing dense smoke resistant fireproof door | |
| CN208950642U (en) | A kind of coal mine exhaust ventilation explosion proof door |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |