CN204901337U - Integrated valve body of liquefied natural gas gas cylinder - Google Patents
Integrated valve body of liquefied natural gas gas cylinder Download PDFInfo
- Publication number
- CN204901337U CN204901337U CN201520631359.9U CN201520631359U CN204901337U CN 204901337 U CN204901337 U CN 204901337U CN 201520631359 U CN201520631359 U CN 201520631359U CN 204901337 U CN204901337 U CN 204901337U
- Authority
- CN
- China
- Prior art keywords
- interface
- valve body
- valve
- return
- liquid
- 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.)
- Expired - Fee Related
Links
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses an integrated valve body of liquefied natural gas gas cylinder. The valve body has the body, open on the body have the inside entry of topping up, with the gas entry, with the liquid entry, with liquid stop valve interface, economic air throttle interface, level gauge interface, return -air stop valve interface, overflow that valve interface, topping up outsidely enter the mouth, the return -air interface, with gas entry, economic air throttle interface, with liquid stop valve interface, overflow valve interface intercommunication and form and use the gas passageway, with liquid entry, with liquid stop valve interface, overflow the formation of valve interface intercommunication and use the liquid passageway, form the return -air passageway with gas entry, return -air stop valve interface, return -air interface intercommunication, the outside entry of topping up, topping up inside enter the mouth the intercommunication and form the topping up passageway. The utility model discloses compact structure, the security is more reliable, and the cost is lower simultaneously.
Description
Technical field
The utility model relates to a kind of liquefied natural gas bottle integrated valve body, is particularly useful for the automobile liquefied natural gas bottle with crossover sub, belongs to LNG Liquefied natural gas applied technical field.
Background technique
The topping up and the feed flow that are similar to automobile liquefied natural gas bottle must be realized by various control valve, and whole system needs more than 10 valve to control.
Current liquefied natural gas bottle manufacturer both domestic and external is all the Placement adopting " gas cylinder-distributing head-stainless-steel pipe-control valve-stainless-steel pipe-connecting head-exterior line " in installing of its control valve, namely many stainless-steel pipes are welded at multiple jointings of distributing head, then stainless-steel pipe is welded to one end of control valve, the other end of valve is connected with exterior line with jointing by soldering stainless steel steel pipe again.The major defect that this Placement exists in actual use be manufacture and difficult in maintenance, particularly once valve has damage, must cutting be carried out to stainless-steel pipe and weld maintenance or the replacing that just can carry out valve, the increase that the long stainless-steel pipe that distributing head is external simultaneously can cause heat to transmit, be unfavorable for the thermal insulation of low temperature cylinder, and add weld leakage point.
Model utility content
The utility model aims to provide a kind of liquefied natural gas bottle integrated valve body, and this valve body structure is compact, reduce connecting tube between distributing head to valve and welding leakage point, and Security is more reliable.
To achieve these goals, the technological scheme that the utility model adopts is:
A kind of liquefied natural gas bottle integrated valve body, there is body, its structural feature is, described body has topping up interior inlet, with gas entrance, with liquid entrance, uses liquid shut off valve interface, economic air throttle interface, interface of the level gauge, return-air shut off valve interface, Restrictor Valves interface, topping up outside entrance, return-air interface; Described gas entrance, economic air throttle interface, can be connected to form successively with liquid shut off valve interface, Restrictor Valves interface and to use gas passage; Described liquid entrance, can be connected to form successively with liquid shut off valve interface, Restrictor Valves interface and to use liquid passage; Described gas entrance, return-air shut off valve interface, return-air interface can be connected to form return gas channel successively; The outside entrance of described topping up, topping up interior inlet are connected to form topping up passage; Described gas entrance, relief valve connection are connected to form pressure measurement passage.
Thus, multiple interface is undertaken integrated by a valve body by the utility model, and optimizes the object that passage reaches connecting tube and the welding leakage point reduced between distributing head to valve, and in running, Security is more reliable, and cost is lower simultaneously.
In the utility model, described gas passage, be all in open mode just form connection with the spool depended on each interface in respective channel or entrance that is communicated with of liquid passage, return gas channel and pressure measurement passage.
Be below the technological scheme of further improvement of the utility model:
Preferably, the side end face of described body has relief valve connection.Further preferably, described gas entrance, relief valve connection are connected to form pressure measurement passage.
Further, described liquid shut off valve interface is identical with return-air shut off valve interface structure and be symmetrical arranged.
Preferably, described topping up interior inlet, with gas entrance, be arranged on the bottom end of valve body with liquid entrance.
Preferably, described liquid shut off valve interface, economic air throttle interface, interface of the level gauge, return-air shut off valve interface are arranged on the upper-end surface of valve body.
Preferably, described Restrictor Valves interface, the outside entrance of topping up, return-air interface are arranged on the side end face of valve body.
Preferably, described base side end face has technique plug hole.
During work:
A) when needs are to gas cylinder internal-filling liquid, LNG liquid enters valve body from the outside entrance of topping up, flows through topping up interior inlet, then enters gas cylinder through corresponding crossover sub;
B) when preferentially using gas in gas cylinder, in gas cylinder, gas enters valve body through corresponding crossover sub by with gas entrance, flow to economic air throttle interface upper end, then flow to liquid shut off valve interface lower end by the osculum of economic air throttle interface lower end, then be connected with outside to Restrictor Valves interface;
When c) needing outside feed flow when gas pressure in bottle is lower, economic air throttle interface is closed, and in gas cylinder, liquid is through corresponding crossover sub by entering valve body with liquid entrance, flows through with liquid shut off valve interface lower end, then is connected to Restrictor Valves interface with outside;
D) when needs are to gas cylinder internal-filling liquid, bottle internal upper part needs release gas to reduce pressure drag, and in bottle, gas enters valve body through corresponding crossover sub by with gas entrance, flows to return-air shut off valve interface lower end, then is connected to return-air interface with outside;
E) interface of the level gauge connects liquid level display by with in gas entrance insertion gas cylinder, for the position of liquid in dynamic monitoring gas cylinder.
Above structure, the utility model is developed similar Vehicular liquefied natural gas cylinder distributing head, distributing head is designed to two-part: integrated valve body and crossover sub.Crossover sub plays connection function, and it and gas cylinder are integrally welded, and integrated valve body is arranged on crossover sub by bolt, and integrated valve body and gas cylinder are coupled together.The integrated valve body of development is the porous cavity of a similar short cylindrical shape, there are multiple tapped hole and unthreaded hole in surface, there are 5 passages with intrinsic logical relation the inside, multiple control valve shares a valve body, save the valve body of each valve, decrease the connecting tube between distributing head to valve and welding leakage point, structure is compacter and attractive in appearance.
Compared with prior art, the beneficial effects of the utility model are:
1) this integrated valve body provides a shared valve body for multiple valve, and eliminate single independently valve body, cost reduces greatly;
2) eliminate the connecting tube between each valve and crossover sub, decrease the leakage point that pipeline connects, more compact structure is attractive in appearance, and Security is more reliable.
Below in conjunction with drawings and Examples, the utility model is further elaborated.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of the utility model embodiment;
Fig. 2 is the X-X sectional view of Fig. 1;
Fig. 3 is the Y-Y sectional stretch-out view of Fig. 1;
Fig. 4 is the Z-Z sectional stretch-out view of Fig. 1.
Embodiment
A kind of liquefied natural gas bottle integrated valve body, entirety is the porous cavity of a similar short cylindrical shape, a common valve body can be provided for the installation of automobile liquefied natural gas bottle upper part valve, this valve body surface has multiple tapped hole and unthreaded hole, and there are 5 passages with intrinsic logical relation the inside.Adopt light-weighted design concept, multiple control valve shares a valve body, saves the valve body of single valve, and decrease the connecting tube between distributing head to valve and welding leakage point, structure is compacter, attractive in appearance and reliable.
This valve body is the porous cavity of a similar short cylindrical shape, meeting under performance and prerequisite attractive in appearance, adopting light-weighted design concept, removing unnecessary material as far as possible.There are 19 connection mouths that can be connected with outside on its surface, has the fluid passage of 5 intrinsic logical relations.19 connection mouths are topping up interior inlet A, with gas entrance B, with liquid entrance C, with liquid shut off valve interface D, economic air throttle interface E, interface of the level gauge F, return-air shut off valve interface G, bolt hole H(6), relief valve connection I, Restrictor Valves interface J, technique plug hole K (2), the outside entrance M of topping up, return-air interface R.
Article 5, fluid passage is with gas channel B-E-D-J, uses liquid channel C-D-J, return gas channel B-G-R, topping up passage M-A, pressure measurement channel B-I.
Integrated valve body structural representation is as accompanying drawing 1; Fig. 2 is the X-X sectional view of Fig. 1; Fig. 3 is the Y-Y sectional stretch-out view of Fig. 1; Fig. 4 is the Z-Z sectional stretch-out view of Fig. 1.
The structure brief introduction of integrated valve body: shown in Fig. 1-4, topping up interior inlet A on valve body, with gas entrance B and be the cylindrical unthreaded hole of band counterbore with liquid entrance C, counterbore place matches with corresponding aperture on crossover sub after installing sealing gasket.Be tapped hole with liquid shut off valve interface D, economic air throttle interface E, return-air shut off valve interface G, each valve member assembled forms corresponding complete valve by this screw thread and integrated valve body.Restrictor Valves interface J, topping up outside entrance M inner segment is unthreaded hole, and outer section is tapped hole, first installs valve member in unthreaded hole, and reusable connector is threaded with outer section, forms a complete valve.Interface of the level gauge F and return-air interface R is connected with joint by screw thread.2 technique plug hole K process rear plug and block.Relief valve connection I is tapped hole, can connection safety valve and pressure gauge etc.Valve body is linked together valve body and crossover sub by 6 bolt hole H bolts and bullet pad.
Integrated valve body inner each fluid passage logical relation:
1. topping up passage M-A:LNG liquid enters valve body from the outside entrance M of topping up, flows through topping up interior inlet A, then enters gas cylinder through crossover sub.
2. with gas channel B-E-D-J: when preferentially using gas in bottle, in bottle, gas enters valve body through crossover sub by with gas entrance B, flow to economic air throttle interface E upper end, then flow to liquid shut off valve interface D lower end by lower end osculum, then be connected with outside to Restrictor Valves interface J.
3. with liquid channel C-D-J: when the lower outside feed flow of gas pressure in bottle, economic air throttle interface E closes, and in bottle, liquid enters valve body through crossover sub by with liquid entrance C, flow through with liquid shut off valve interface D lower end, then be connected with outside to Restrictor Valves interface J.
4. return gas channel B-G-R: when to bottle internal-filling liquid, bottle internal upper part needs release gas to reduce pressure drag, and in bottle, gas enters valve body through crossover sub by with gas entrance B, flows to return-air shut off valve interface G lower end, then is connected to return-air interface R with outside.
5. pressure measurement channel B-I: pressure measurement passage is to liquid position monitoring and the protective action to gas cylinder in bottle.Interface of the level gauge F connects liquid level display and inserts in gas cylinder by with gas entrance B, the position of liquid in dynamic monitoring bottle., be connected with external security valve and pressure gauge to relief valve connection I by the gas entering valve body with gas entrance B, the pressure of gas in pressure gauge dynamic monitoring bottle meanwhile, when pressure exceedes safety valve setting pressure, safety valve release gas, protection gas cylinder.
The content that above-described embodiment is illustrated should be understood to these embodiments only for being illustrated more clearly in the utility model, and be not used in restriction scope of the present utility model, after having read the utility model, the amendment of those skilled in the art to the various equivalent form of value of the present utility model has all fallen within the application's claims limited range.
Claims (8)
1. a liquefied natural gas bottle integrated valve body, there is body, it is characterized in that, described body has topping up interior inlet (A), with gas entrance (B), with liquid entrance (C), use the outside entrance (M) of liquid shut off valve interface (D), economic air throttle interface (E), interface of the level gauge (F), return-air shut off valve interface (G), Restrictor Valves interface (J), topping up, return-air interface (R);
Described gas entrance (B), economic air throttle interface (E), can be connected to form successively with liquid shut off valve interface (D), Restrictor Valves interface (J) and to use gas passage; Described liquid entrance (C), can be connected to form successively with liquid shut off valve interface (D), Restrictor Valves interface (J) and to use liquid passage; Described gas entrance (B), return-air shut off valve interface (G), return-air interface (R) can be connected to form return gas channel successively; The outside entrance (M) of described topping up, topping up interior inlet (A) are connected to form topping up passage.
2. liquefied natural gas bottle integrated valve body according to claim 1, is characterized in that, the side end face of described body has relief valve connection (I).
3. liquefied natural gas bottle integrated valve body according to claim 2, is characterized in that, described gas entrance (B), relief valve connection (I) are connected to form pressure measurement passage.
4. liquefied natural gas bottle integrated valve body according to claim 1, is characterized in that, described liquid shut off valve interface (D) is identical with return-air shut off valve interface (G) structure and be symmetrical arranged.
5. according to the liquefied natural gas bottle integrated valve body one of claim 1-4 Suo Shu, it is characterized in that, described topping up interior inlet (A), with gas entrance (B), to be arranged on the bottom end of valve body with liquid entrance (C).
6. according to the liquefied natural gas bottle integrated valve body one of claim 1-4 Suo Shu, it is characterized in that, described liquid shut off valve interface (D), economic air throttle interface (E), interface of the level gauge (F), return-air shut off valve interface (G) are arranged on the upper-end surface of valve body.
7. according to the liquefied natural gas bottle integrated valve body one of claim 1-4 Suo Shu, it is characterized in that, described Restrictor Valves interface (J), the outside entrance (M) of topping up, return-air interface (R) are arranged on the side end face of valve body.
8. according to the liquefied natural gas bottle integrated valve body one of claim 1-4 Suo Shu, it is characterized in that, described base side end face has technique plug hole (K).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520631359.9U CN204901337U (en) | 2015-08-20 | 2015-08-20 | Integrated valve body of liquefied natural gas gas cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520631359.9U CN204901337U (en) | 2015-08-20 | 2015-08-20 | Integrated valve body of liquefied natural gas gas cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204901337U true CN204901337U (en) | 2015-12-23 |
Family
ID=54923511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520631359.9U Expired - Fee Related CN204901337U (en) | 2015-08-20 | 2015-08-20 | Integrated valve body of liquefied natural gas gas cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204901337U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156889A (en) * | 2015-08-20 | 2015-12-16 | 江南工业集团有限公司 | Liquefied natural gas gas-cylinder integration valve and control method thereof |
-
2015
- 2015-08-20 CN CN201520631359.9U patent/CN204901337U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156889A (en) * | 2015-08-20 | 2015-12-16 | 江南工业集团有限公司 | Liquefied natural gas gas-cylinder integration valve and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204212987U (en) | For entering mouth spray liquid structure without oily technical screw compressor | |
| CN102679149B (en) | Gas cylinder integrated valve for automotive liquefied natural gas | |
| CN204901337U (en) | Integrated valve body of liquefied natural gas gas cylinder | |
| CN220134685U (en) | 35MPa high-pressure hydrogen combined bottle valve | |
| CN202629085U (en) | Stop valve | |
| CN105042330B (en) | A kind of liquefied natural gas bottle multifunction valve and control topping up, the method for going out liquid | |
| CN204901338U (en) | Multi -functional valve of liquefied natural gas gas cylinder | |
| CN105156889A (en) | Liquefied natural gas gas-cylinder integration valve and control method thereof | |
| CN209839673U (en) | Vehicle-mounted hydrogen supply system of fuel cell automobile | |
| CN218719453U (en) | A throttling device applied to pipe joints | |
| CN105649953A (en) | Gas path system used for multi-level dry vacuum pump | |
| CN105221771A (en) | A kind of low temperature cut-off flow-limiting valve | |
| CN201810842U (en) | An irrigation system pressure balance valve | |
| CN201053525Y (en) | One-way throttle valve | |
| CN210738772U (en) | 360-degree direction-adjustable and effectively-sealed air outlet joint of engine air compressor | |
| CN205090002U (en) | By restriction valve | |
| CN202646736U (en) | Body seal | |
| CN208951010U (en) | A kind of compact-sized inlet valve | |
| CN200982423Y (en) | Compressed natural gas check valve for vehicle use | |
| CN202187737U (en) | High-pressure temperature-resistant ventilation nozzle for well control | |
| CN221945560U (en) | Verification tool for safety valve of mobile dry powder extinguishing device | |
| CN2916303Y (en) | Integrated priority valve | |
| CN105202206A (en) | Low-temperature cutting-off flow-limiting valve | |
| CN101358676A (en) | Hose coupling | |
| CN202812791U (en) | Gas cylinder integrated valve for automotive liquefied natural gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20180820 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |