CN207161809U - A kind of temperature safety apparatus of cylinder valve - Google Patents
A kind of temperature safety apparatus of cylinder valve Download PDFInfo
- Publication number
- CN207161809U CN207161809U CN201720705783.2U CN201720705783U CN207161809U CN 207161809 U CN207161809 U CN 207161809U CN 201720705783 U CN201720705783 U CN 201720705783U CN 207161809 U CN207161809 U CN 207161809U
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- China
- Prior art keywords
- valve element
- safety apparatus
- temperature safety
- hollow bulb
- valve
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Abstract
The utility model discloses a kind of temperature safety apparatus of cylinder valve, valve seat, seal are included, it is characterised in that：Deck is fixed with the valve seat; the deck has steam vent and hollow bulb; blasting cartridge and the movable part that can be moved inside it are installed in hollow bulb; described movable part one end is against on blasting cartridge; the other end has the pre-compressed spring for suppressing movable part towards blasting cartridge; for the blasting cartridge by movable part tight against on the inwall with hollow bulb, protection temperature is accurate, and action is quick and is applied to high-low pressure place.
Description
Technical field
The utility model belongs to natural gas supply technical field, concretely relates to a kind of temperature safety dress of cylinder valve
Put.
Background technology
Need to set cylinder valve temperature protection during natural gas supply system use, existing temperature protective device is more
Using Hot melt plug, but Hot melt plug is applicable the not high place of pressure, and its exhaust outlet is smaller, then just needs a protection temperature
Degree is accurate, and action is quick and is applied to the temperature protective device in high-low pressure place.
Utility model content
The purpose of this utility model is to provide a kind of temperature safety apparatus of cylinder valve, and it protects temperature accurate, and action is quick
And it is applied to high-low pressure place.
In order to solve the above technical problems, what the purpose of this utility model was realized in：
A kind of temperature safety apparatus of cylinder valve, including valve body, valve body are provided with fluid passage, in fluid passage movably
It is equipped with valve element, it is characterised in that：The first end of valve element offsets with stage clip, and the second end and the blasting cartridge of valve element offset, and valve element leads to
The inwall for crossing seal and fluid passage forms sealing cooperation and fluid passage is mutually separated with exhaust outlet, and the blasting cartridge exists
Valve element is conceded after explosion to the space away from the movement of stage clip direction, so as to make fluid passage and blast pipe phase after valve element movement
Connect.
On the basis of such scheme and as the preferred scheme of such scheme：The valve body includes body and deck, institute
State fluid passage to be located on body, the exhaust outlet is located on deck.
On the basis of such scheme and as the preferred scheme of such scheme：The deck has hollow bulb, described quick-fried
Broken pipe is received within hollow bulb, and it is against on the periphery of steam vent away from spool end.
On the basis of such scheme and as the preferred scheme of such scheme：Also it is symmetrically arranged with least on the deck
Two auxiliary exhaust ports connected with the hollow bulb.
On the basis of such scheme and as the preferred scheme of such scheme：The first end insertion of the valve element is hollow
Portion.
On the basis of such scheme and as the preferred scheme of such scheme：The valve element first end is provided with for explosion
The spacing hole of pipe insertion, the second end are provided with the axle portion of the embedded compression spring.
On the basis of such scheme and as the preferred scheme of such scheme：The first end section of valve element outline shape
Shape is dodecagon, and hollow bulb cross sectional shape is hexagon.
On the basis of such scheme and as the preferred scheme of such scheme：There are six short sides in the dodecagon,
Face face corresponding with hollow bulb hexagon gap corresponding to six short sides coordinates, and the adjacent edge of six short sides is corresponding
Six angles of face and hollow bulb hexagon form the cavity of six triangles, and the cavity is fluid passing away.
On the basis of such scheme and as the preferred scheme of such scheme：The valve element material is metal.
On the basis of such scheme and as the preferred scheme of such scheme：Close to the position at the second end on the valve element
An annular groove is provided with, seal is installed in annular groove, the seal is Assembled sealer.
The utility model is prominent and beneficial compared with prior art to be had the technical effect that：The explosion when temperature reaches the setting upper limit
Pipe explosion, the support that valve element loses blasting cartridge can move under the suppressing of spring to blasting cartridge direction, and valve element removes and valve seat
Sealing station, high temperature and high pressure gas are released so as to which valve base channel be connected with deck steam vent, ensure safety.
In addition, valve element can preferably realize the two centering with the cooperation of deck hollow bulb using hexagon here, valve element is adopted
It can also reduce moving process while being oriented to staying the hex-shaped inner surface of face and hollow bulb corresponding to a short side to coordinate
Friction, allows it flexibly to move, fast reaction is made when breaking down.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is the schematic diagram of the utility model section view.
1st, valve body 11, passage 2, deck 21, hollow bulb 22, steam vent 23, auxiliary exhaust ports 3, blasting cartridge 4, valve element
41st, annular groove 42, first end 43, the second end 5, pre-compressed spring 6, first seal 7, second seal.
Embodiment
To make the purpose, technical scheme and advantage of the application clearer, below in conjunction with the accompanying drawing in embodiment, to reality
The technical scheme applied in example is clearly and completely described, it is clear that described embodiment is only that the application part is implemented
Example, rather than whole embodiments.Based on the embodiment provided, those of ordinary skill in the art are not before creative work is made
The every other embodiment obtained is put, belongs to the scope of the application protection.
In the description of the present application, it is to be understood that the orientation or position relationship of the instruction such as term " on ", " under " are base
In orientation shown in the drawings or position relationship, it is for only for ease of description the application and simplifies description, rather than indicate or imply
Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The limitation of application.
In the description of the present application, term " first ", " second " etc. be only used for describe purpose, and it is not intended that instruction or
Imply relative importance or the implicit quantity for indicating indicated technical characteristic.
It should be noted that term " electrolyte ", " gelatinizing agent " are the current material of this area and conventional use of material
Material, and above-mentioned technical characteristic is also utility model point not of the present utility model, therefore, for " electrolyte ", " gelatinizing agent "
Composition does not repeat.
A kind of temperature safety apparatus of cylinder valve, including valve body 1, first seal 6, second seal 7, it is characterised in that：
Deck 2 is fixed with valve body 1, the one end of deck 2 is provided with external screw thread, and external screw thread is tightened in the screwed hole on valve seat 1
In, other end end face is provided with steam vent 22 on deck 2, and hollow bulb 21, steam vent 22 and hollow bulb 21 are additionally provided with deck
It is connected.
Four auxiliary exhaust ports 23 connected with hollow bulb 21 are also symmetrically arranged with the upper outer periphery of deck 2, can be carried out
Auxiliary exhaust, it can be additionally used in insertion instrument rotation dismounting deck 2 in addition.
Blasting cartridge 3 and the valve element 4 that can be moved in its inner linear are installed, the one end of valve element 4 is against explosion in hollow bulb 23
On pipe 3, the other end has the pre-compressed spring 5 for suppressing valve element 4 towards blasting cartridge 3, and blasting cartridge 3 is compressed by valve element 4 and is against exhaust
On the periphery in hole 22.
What deserves to be explained is blasting cartridge 3 can when reaching design temperature instant exploding, belong to prior art, compared to biography
The fuse metal of system has express reaction speed, realizes quickly action.
In addition, the effect of pre-compressed spring 5 is to make very close to each other between valve element 4, blasting cartridge 3, deck 2, cylinder valve is prevented to ventilate
Moment, valve element 4, which impacts blasting cartridge 3, made its rupture to being impacted caused by valve element 4；And pre-compressed spring 5 produces certain to valve element 4
Pre- thrust, post-compensation gas pressure can be ruptured in blasting cartridge 3 hypodynamic situation is pushed away to valve element 4, it is not only applicable to height
Air supply system is pressed, is readily applicable to low pressure air supply system.
The end 43 of valve element 4 second is provided with the axle portion for the pre-compressed spring 5 insertion, and axle portion can help spring in valve element 4
Upper good positioning, prevents the sideslip of spring 5, axle portion root is provided with flange, and pre-compressed spring 5 is against on flange；First end is set
There is guide part 42, guide part end set has the spacing hole of the embedded blasting cartridge 3, for being easily installed blasting cartridge 3, there is provided good
Good is spacing to neutralizing, and guide part can provide guiding with the loose fit of hollow bulb 21 for valve element 4.
Further, valve element 4 is provided with annular groove 41 close to the position of axle portion, and is provided with the annular groove 41
One seal 6, second seal 7, under normal circumstances, first, second seal 6,7 are close by the passage 11 of valve element 4 and valve seat 1
Envelope, prevents gas from leaking.
Preferably, first, second seal 6,7 is combined labyrinth and carbon gland, here by the two difference in functionalitys, different materials
Seal combination uses, and reaches compact-sized, low friction resistance, efficient sealed and the long-life combination property, first, second is close
Sealing 6,7 can be the combination of O-ring and teflin ring or other sealing rings.
Preferably, the radial section of hollow bulb 21 is hexagon, due to blasting cartridge 3, the hollow bulb 21 of deck 2, valve element 4, precompressed
The center line of spring 5, which overlaps, can just make to reach most good fit and flexible action between them, so setting hexagon here
Matching relationship, can also well while being oriented to in, and prevent in moving process the generation rotation of valve element 4.
Preferably, in order to reduce the friction of valve element 4 and deck 2, guide part 42 cuts six seamed edges of original hexagon
Go to form dodecagon, the part pruned forms six short sides a, b, c, d, e, f, will six shorter edge a, b on guide part 42 living,
C, face corresponding to d, e, f and the hexagon loose fit of the hollow bulb 23 of deck 2, so reduce the contact surface both it, it is possible to
Reach reduction friction, moving it becomes more flexible.
It should be noted that see Fig. 2, six short sides a, b, c, d, e, f adjacent edge and the hexagon inwall of hollow bulb 21
Six angles formed six triangular cavities, the cavity as after explosion tracheal rupture high temperature and high pressure gas discharge passage.
Also, the setting of the fluid passage can preferably distribute exhaust gas flow direction, by the fragment after explosion tracheal rupture
Blow off exhaust outlet, avoid due to fragment block exhaust outlet cause exhaust it is not smooth.
Preferably, valve element 4 is made from copper, the metal such as aluminium, and metal has good mechanical performance and physical property, can be with
The heat express delivery of gas is delivered on blasting cartridge 3, improves the accurate of whole device.
Specific operation principle：When temperature reaches the setting upper limit, blasting cartridge 3 bursts, and valve element 4 loses the support of blasting cartridge 3
It can be moved under the suppressing of pre-compressed spring 5 to the direction of blasting cartridge 3, valve element 4 removes the sealing station with valve seat 1, so as to which valve seat 1 is logical
Road 11 connects with the steam vent 21 of deck 2 releases high temperature and high pressure gas, ensures safety.
Above-described embodiment is only preferred embodiment of the present utility model, not limits protection model of the present utility model according to this
Enclose, therefore：All equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by protection of the present utility model
Within the scope of.
Claims (10)
1. a kind of temperature safety apparatus of cylinder valve, including valve body, valve body is provided with fluid passage, is movably filled in fluid passage
Equipped with valve element, it is characterised in that：The first end of valve element offsets with stage clip, and the second end and the blasting cartridge of valve element offset, and valve element passes through
Seal and the inwall of fluid passage form sealing and coordinate and fluid passage is mutually separated with exhaust outlet, and the blasting cartridge is quick-fried
Valve element is conceded after broken to the space away from the movement of stage clip direction, so as to make fluid passage connect with blast pipe after valve element movement
It is logical.
A kind of 2. temperature safety apparatus of cylinder valve according to claim 1, it is characterised in that：The valve body include body and
Deck, the fluid passage are located on body, and the exhaust outlet is located on deck.
A kind of 3. temperature safety apparatus of cylinder valve according to claim 2, it is characterised in that：The deck has hollow
Portion, the blasting cartridge are received within hollow bulb, and it is against on the periphery of steam vent away from spool end.
A kind of 4. temperature safety apparatus of cylinder valve according to claim 3, it is characterised in that：Also symmetrically set on the deck
It is equipped with least two auxiliary exhaust ports connected with the hollow bulb.
A kind of 5. temperature safety apparatus of cylinder valve according to claim 3, it is characterised in that：The first end of the valve element is inserted
Enter hollow bulb.
A kind of 6. temperature safety apparatus of cylinder valve according to claim 5, it is characterised in that：The valve element first end is set
There is the spacing hole for blasting cartridge insertion, the second end is provided with the axle portion of embedded stage clip, and stage clip is against on the flange of axle portion root.
A kind of 7. temperature safety apparatus of cylinder valve according to claim 5, it is characterised in that：The end section of valve element first
Outer contour shape is dodecagon, and the hollow bulb cross sectional shape is hexagon.
A kind of 8. temperature safety apparatus of cylinder valve according to claim 7, it is characterised in that：Have six in the dodecagon
Individual short side, corresponding to six short sides face face corresponding with hollow bulb hexagon gap coordinate, six short sides it is adjacent
Six angles of the corresponding face in side and hollow bulb hexagon form the cavity of six triangles, and the cavity is fluid passing away.
9. according to a kind of temperature safety apparatus of any described cylinder valves of claim 6-8, it is characterised in that：The valve element material
For metal.
A kind of 10. temperature safety apparatus of cylinder valve according to claim 9, it is characterised in that：Close to the on the valve element
The position at two ends is provided with annular groove, and seal is provided with annular groove, and the seal is that combination is seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720705783.2U CN207161809U (en) | 2017-06-17 | 2017-06-17 | A kind of temperature safety apparatus of cylinder valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720705783.2U CN207161809U (en) | 2017-06-17 | 2017-06-17 | A kind of temperature safety apparatus of cylinder valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207161809U true CN207161809U (en) | 2018-03-30 |
Family
ID=61711715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720705783.2U Active CN207161809U (en) | 2017-06-17 | 2017-06-17 | A kind of temperature safety apparatus of cylinder valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207161809U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111505201A (en) * | 2020-04-24 | 2020-08-07 | 李莉 | Potentiometric titrator structure capable of automatically cleaning and discharging waste |
| WO2021057716A1 (en) * | 2019-09-26 | 2021-04-01 | 未势能源科技有限公司 | Thermally activated pressure relief valve |
-
2017
- 2017-06-17 CN CN201720705783.2U patent/CN207161809U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021057716A1 (en) * | 2019-09-26 | 2021-04-01 | 未势能源科技有限公司 | Thermally activated pressure relief valve |
| CN111505201A (en) * | 2020-04-24 | 2020-08-07 | 李莉 | Potentiometric titrator structure capable of automatically cleaning and discharging waste |
| CN111505201B (en) * | 2020-04-24 | 2022-12-16 | 士业电子科技徐州有限公司 | Potentiometric titrator structure capable of automatically cleaning and discharging waste |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Temperature safety device of bottle valve Effective date of registration: 20180907 Granted publication date: 20180330 Pledgee: Agricultural Bank of China Limited by Share Ltd Jiaxing science and Technology Branch Pledgor: According to the Jiaxing Phase Power Technology Co., Ltd. Registration number: 2018330000266 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201201 Granted publication date: 20180330 Pledgee: Agricultural Bank of China Limited by Share Ltd. Jiaxing science and Technology Branch Pledgor: JIAXING E-XON POWER TECHNOLOGY Co.,Ltd. Registration number: 2018330000266 |