CN207093891U - Safe and reliable pressure-reducing regulator for compressed natural gas used in vehicle - Google Patents
Safe and reliable pressure-reducing regulator for compressed natural gas used in vehicle Download PDFInfo
- Publication number
- CN207093891U CN207093891U CN201720973517.8U CN201720973517U CN207093891U CN 207093891 U CN207093891 U CN 207093891U CN 201720973517 U CN201720973517 U CN 201720973517U CN 207093891 U CN207093891 U CN 207093891U
- Authority
- CN
- China
- Prior art keywords
- valve body
- main valve
- chamber
- depressurized
- natural gas
- 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
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 239000003345 natural gas Substances 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 230000001939 inductive effect Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- SEPPVOUBHWNCAW-FNORWQNLSA-N (E)-4-oxonon-2-enal Chemical compound CCCCCC(=O)\C=C\C=O SEPPVOUBHWNCAW-FNORWQNLSA-N 0.000 description 1
- LLBZPESJRQGYMB-UHFFFAOYSA-N 4-one Natural products O1C(C(=O)CC)CC(C)C11C2(C)CCC(C3(C)C(C(C)(CO)C(OC4C(C(O)C(O)C(COC5C(C(O)C(O)CO5)OC5C(C(OC6C(C(O)C(O)C(CO)O6)O)C(O)C(CO)O5)OC5C(C(O)C(O)C(C)O5)O)O4)O)CC3)CC3)=C3C2(C)CC1 LLBZPESJRQGYMB-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Safety Valves (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The utility model discloses a kind of safe and reliable pressure-reducing regulator for compressed natural gas used in vehicle, including main valve body and electromagnetic valve body, the main valve body side crowning central part is provided with positioning hole, undercut groove and positioning spigot are provided with the aperture of positioning hole, the water circulation runner against one-level relief chamber and second depressurized chamber is provided with inside main valve body, the diameter and volume of second depressurized chamber are all higher than the diameter and volume of second depressurized valve port positioning hole, and the electromagnetic valve body bottom is provided with the kidney-shaped flange face and outlet interface being connected as a single entity.The utility model improves the connected mode of electromagnetic valve body and main valve body by designing, and makes the connection of electromagnetic valve body and main valve body sealing safer, can also save inlet suction port；By rationally designing water circulation runner inside main valve body, make the thermal conduction effect of water circulation runner more preferable, it is ensured that compressed natural gas is fully atomized；By improving the diameter and volume of increase second depressurized chamber, make compressed natural gas discharge more stable.
Description
Technical field
Pressure reducing regulator field is the utility model is related to, is in particular that a kind of safe and reliable automobile using compression is natural
Gas pressure reducing regulator.
Background technology
Existing pressure-reducing regulator for compressed natural gas used in vehicle, electromagnetic valve body and water circulation runner are typically all located at main valve body
Side crowning on, and the connected mode of electromagnetic valve body and main valve body, electromagnetic valve body bottom is processed into provided with logical mostly
One flat in hole, it is spirally connected an inlet suction port in the crowning of main valve body, and by copper washer plane hard seals by electromagnetic valve body
Fastening is positioned on main valve body, meanwhile, it is limited to the limitation of structure design, the diameter for the second depressurized chamber being located inside main valve body
It is often all smaller with volume, as shown in Figure 1., certain technological deficiency be present in above-mentioned this structure：First, due to from electromagnetism
What body base came out is high pressure compressed natural gas, and therefore, electromagnetic valve body is connected with main valve body using copper washer plane hard seals
Connect, certain potential safety hazard be present, if operation is careless slightly, high pressure compressed natural gas will produce outer at copper washer plane
Leakage, directly jeopardizes the life security of people, and consequence is hardly imaginable；Second, water circulation runner is located on the crowning of main valve body side,
Comparatively the area of heat transfer is smaller, and is largely effected on again away from the one-level relief chamber and second depressurized chamber inside main valve body
Thermal conduction effect, prevent compressed natural gas from being fully atomized；Third, due to the diameter of second depressurized chamber being located inside main valve body
It is all smaller with volume, therefore when once widening gas, easily cause the exhaust of second depressurized chamber moment and do not catch up with and produce
Gas discharge fluctuation, influences running car quality.
Utility model content
In view of the above-mentioned problems, technical problem to be solved in the utility model is to overcome to lack existing for above-mentioned prior art
Fall into, there is provided a kind of safe and reliable pressure-reducing regulator for compressed natural gas used in vehicle, electromagnetic valve body is connected sealing with main valve body more
Safety, make compressed natural gas discharge more stable, make the thermal conduction effect of water circulation runner more preferable, it is ensured that the abundant mist of compressed natural gas
Change.
To reach above-mentioned purpose, the utility model uses following technical scheme：Safe and reliable compressed natural gas for automobile
Pressure reducing regulator, including main valve body and electromagnetic valve body, the electromagnetic valve body is located at the side crowning of main valve body, in electromagnetic valve body
Upper that magnet coil is housed, the lower end of the main valve body is provided with bottom end cover, and the upper end of main valve body is provided with upper end cover, and the upper end cover is set
There is vacuumizing joint, the inside of the main valve body is provided with one-level relief chamber and second depressurized chamber, the one-level decompression of the main valve body
One-level decompressor is provided between chamber and lower end cover cavity, two level is provided between the second depressurized chamber and upper end cover cavity of main valve body
Decompressor, the side crowning of the main valve body is in kidney-shaped shape, and the center portion thereof is provided with positioning hole and the one-level of main valve body depressurizes
Chamber is connected, and the both sides of the positioning hole are provided with internal thread hole, and undercut groove and positioning spigot are provided with the aperture of positioning hole, described
O-ring seals are equipped with undercut groove and positioning spigot, the electromagnetic valve body top is provided with valve body working chamber, intake interface and pressure
Power table interface, electromagnetic valve body bottom are provided with the kidney-shaped flange face and outlet interface being connected as a single entity, the both ends of the kidney-shaped flange face
Angle is provided with fixing hole, and the cylindrical of the outlet interface is located at same section circle provided with radial seal gear, axial seal gear and 4
Zhou Junbu venthole, the venthole and outlet interface intracavity inter-connection, the outlet interface intracavity bottom subtract provided with one-level
Pressure valve mouth, the one-level pressure relief valve mouth are connected with valve body working chamber, and the inner chamber of the outlet interface is equipped with one-level pressure relief valve core.
The utility model is provided with the one-level relief chamber phase of positioning hole and main valve body in the side crowning central part of main valve body
Connection, undercut groove and positioning spigot are provided with the aperture of positioning hole, while the waist being connected as a single entity is provided with electromagnetic valve body bottom
Shape flange face and outlet interface, outlet interface it is cylindrical on be provided with radial seal gear, axial seal keep off, can be achieved double layer O-shaped
Sealing ring soft seal, make the connection of electromagnetic valve body and main valve body sealing safer reliable.
Further, the inside of the main valve body is additionally provided with water circulation runner, and the water circulation runner is against main valve body
One-level relief chamber and second depressurized chamber are u-shaped horizontally disposed.The thermal conduction effect of water circulation runner can be made more preferable, it is ensured that compression
Natural gas is fully atomized.
Further, determine between the one-level relief chamber and second depressurized chamber inside the main valve body provided with second depressurized valve port
Position hole, the diameter and volume of the second depressurized chamber are all higher than the diameter and volume of second depressurized valve port positioning hole.Improve increase
The diameter and volume of second depressurized chamber, compressed natural gas discharge can be made more stable.
Further, the external front face of the main valve body is provided with air outlet adapter, safety valve, water supply connector and water out adapter,
Be provided with water temperature inductive connector beside the side crowning of main valve body, the safety valve is spirally connected with one-level relief chamber and communicated, it is described go out
Gas joint is spirally connected with second depressurized chamber and communicated, and the water supply connector, water out adapter are spirally connected with water circulation runner and communicated, the water temperature
Inductive connector and water circulation runner are spirally connected positioning.
Further, the shapes and sizes of the electromagnetic valve body bottom kidney-shaped flange face and section of main valve body side crowning
Face shapes and sizes are consistent, in two fixing hole centre-to-centre spacing on the kidney-shaped flange face and two on the crowning of main valve body side
Screwed hole centre-to-centre spacing matches.
The beneficial effects of the utility model are：The utility model improves the connection of electromagnetic valve body and main valve body by designing
Mode, make the connection of electromagnetic valve body and main valve body sealing safer, can also save inlet suction port；By reasonable inside main valve body
Water circulation runner is designed, makes the thermal conduction effect of water circulation runner more preferable, it is ensured that compressed natural gas is fully atomized；Increased by improving
The diameter and volume of big second depressurized chamber, make compressed natural gas discharge more stable.
Brief description of the drawings
Fig. 1 is the structural representation of prior art.
Fig. 2 is structure sectional view of the present utility model.
Fig. 3 is Fig. 2 right side view.
Fig. 4 is Fig. 3 left side view.
Fig. 5 is the A-A sectional views in Fig. 4.
Fig. 6 is the structure sectional view of the main valve body in the utility model.
Fig. 7 is Fig. 6 right side view.
Fig. 8 is the structural representation of the electromagnetic valve body in the utility model.
Fig. 9 is the K-K sectional views in Fig. 8.
In figure, 1- main valve bodies, 2- bottom end covers, 3- one-level relief chambers, 4- one-level decompressors, 5- one-level pressure relief valve cores, 6-
Electromagnetic valve body, 7- magnet coils, 8- second depressurized chambers, 9- upper end covers, 10- second depressurized devices, 11- water circulation runners, 12- take out
Vacuum adapter, 13- air outlet adapters, 14- water supply connectors, 15- safety valves, 16- soket head cap screws, 17- water temperature inductive connectors, 18-
Water out adapter, 19- positioning holes, 20- undercut grooves, 21- positioning spigots, 22- second depressurized valve port positioning holes, 23- internal thread holes,
24- kidney-shaped flange faces, 25- intake interfaces, 26- pressure gauge connections, 27- one-level pressure relief valve mouths, 28- outlet interfaces, 29- outlets
Hole, 30- radial seals gear, 31- axial seals gear, 32- valve body working chambers, 33- fixing holes.
Embodiment
In order that those skilled in the art are better understood from the utility model, it is real below in conjunction with the utility model
The accompanying drawing in example is applied, clear, complete description is carried out to the technical scheme in the embodiment of the utility model.
As shown in Fig. 2 to Fig. 9, the safe and reliable pressure-reducing regulator for compressed natural gas used in vehicle of the utility model, including master
Valve body 1 and electromagnetic valve body 6, the electromagnetic valve body 6 are located at the side crowning of main valve body 1, and electromagnetic wire is housed on electromagnetic valve body 6
Circle 7, the lower end of the main valve body 1 are provided with bottom end cover 2, and the upper end of main valve body 1 is provided with upper end cover 9, and the upper end cover 9, which is provided with, to be taken out very
Empty joint 12, the inside of the main valve body 1 are provided with one-level relief chamber 3 and second depressurized chamber 8, the one-level decompression of the main valve body 1
One-level decompressor 4 is provided between chamber 3 and the inner chamber of bottom end cover 2, is set between the second depressurized chamber 8 of main valve body 1 and the inner chamber of upper end cover 9
There is second depressurized device 10, sealing is safer in order that electromagnetic valve body 6 is connected with main valve body 1, and the side of the main valve body 1 is raised
Face is in kidney-shaped shape, and the center portion thereof is connected provided with positioning hole 19 with the one-level relief chamber 3 of main valve body 1, and the two of the positioning hole 19
Side is provided with internal thread hole 23, and undercut groove 20 and positioning spigot 21, the undercut groove 20 and positioning are provided with the aperture of positioning hole 19
O-ring seals are equipped with seam 21, the top of electromagnetic valve body 6 is provided with valve body working chamber 32, intake interface 25 and pressure gauge
Interface 26, the bottom of electromagnetic valve body 6 are provided with the kidney-shaped flange face 24 and outlet interface 28 of disjunctor, the both ends of the kidney-shaped flange face 24
Angle is provided with fixing hole 33, and the cylindrical of the outlet interface 28 is located at together provided with radial seal gear 30,31 and 4, axial seal gear
The uniform venthole 29 of one cross-sectional periphery, the venthole 29 and the intracavity inter-connection of outlet interface 28, in the outlet interface 28
Bottom of chamber portion is provided with one-level pressure relief valve mouth 27, and the one-level pressure relief valve mouth 27 is connected with valve body working chamber 32, the outlet interface
28 inner chamber is equipped with one-level pressure relief valve core 5, shapes and sizes and the main valve body 1 of the bottom kidney-shaped flange face 24 of electromagnetic valve body 6
The cross sectional shape and size of side crowning are consistent, the centre-to-centre spacing of two fixing hole 33 and main valve body on the kidney-shaped flange face 24
The centre-to-centre spacing of two internal thread hole 23 on 1 side crowning is matched, and the electromagnetic valve body 6 is fastened by soket head cap screw 16 and positioned
On the side crowning of main valve body 1.In order that the thermal conduction effect of water circulation runner is more preferable, it is ensured that the abundant mist of compressed natural gas
Change, the inside of the main valve body 1 is additionally provided with water circulation runner 11, and the water circulation runner 11 depressurizes against the one-level of main valve body 1
Chamber 3 and second depressurized chamber 8 are u-shaped horizontally disposed, the external front face of the main valve body 1 be provided with air outlet adapter 13, safety valve 15,
Water supply connector 14 and water out adapter 18, the side crowning side of main valve body 1 are provided with water temperature inductive connector 17, the safety valve 15
It is spirally connected and communicates with one-level relief chamber 3, the air outlet adapter 13 is spirally connected with second depressurized chamber 8 is communicated, the water supply connector 14, water outlet
Joint 18 is spirally connected with water circulation runner 11 and communicated, and the water temperature inductive connector 17 and water circulation runner 11 are spirally connected positioning.In order to change
Enter to increase second depressurized chamber volume, compressed natural gas is discharged more stable, the one-level relief chamber 3 and two inside the main valve body 1
Second depressurized valve port positioning hole 22, by deep processing, the diameter and volume of the second depressurized chamber 8 are provided between level relief chamber 8
It is all higher than the diameter and volume of second depressurized valve port positioning hole 22.
Claims (5)
1. safe and reliable pressure-reducing regulator for compressed natural gas used in vehicle, including main valve body (1) and electromagnetic valve body (6), the electricity
Magnet valve body (6) is located at the side crowning of main valve body (1), and magnet coil (7), the main valve body are housed on electromagnetic valve body (6)
(1) lower end is provided with bottom end cover (2), and the upper end of main valve body (1) is provided with upper end cover (9), and the upper end cover (9) is provided with to vacuumize and connect
Head (12), the inside of the main valve body (1) are provided with one-level relief chamber (3) and second depressurized chamber (8), and the one of the main valve body (1)
Level is provided with one-level decompressor (4) between relief chamber (3) and bottom end cover (2) inner chamber, the second depressurized chamber (8) of main valve body (1) and
Second depressurized device (10) is provided between upper end cover (9) inner chamber, it is characterised in that the side crowning of the main valve body (1) is in
Kidney-shaped shape, the center portion thereof are connected provided with positioning hole (19) with the one-level relief chamber (3) of main valve body (1), the positioning hole (19)
Both sides be provided with internal thread hole (23), be provided with undercut groove (20) and positioning spigot (21) at the aperture of positioning hole (19), it is described heavy
Cut in groove (20) and positioning spigot (21) and be equipped with O-ring seals, electromagnetic valve body (6) top is provided with valve body working chamber
(32), intake interface (25) and pressure gauge connection (26), electromagnetic valve body (6) bottom are provided with the kidney-shaped flange face (24) being connected as a single entity
With outlet interface (28), the both ends angle of the kidney-shaped flange face (24) is provided with fixing hole (33), the outlet interface (28) it is outer
Circle is provided with radial seal gear (30), axial seal keeps off (31) and 4 are located at the uniform venthole of same cross-sectional periphery (29), institute
Venthole (29) and outlet interface (28) intracavity inter-connection are stated, outlet interface (28) intracavity bottom is provided with one-level pressure relief valve mouth
(27), the one-level pressure relief valve mouth (27) is connected with valve body working chamber (32), and the inner chamber of the outlet interface (28) is equipped with one
Level relief pressure valve cartridge (5).
2. safe and reliable pressure-reducing regulator for compressed natural gas used in vehicle according to claim 1, it is characterised in that described
The inside of main valve body (1) is additionally provided with water circulation runner (11), and the water circulation runner (11) is depressurized against the one-level of main valve body (1)
Chamber (3) and second depressurized chamber (8) are u-shaped horizontally disposed.
3. safe and reliable pressure-reducing regulator for compressed natural gas used in vehicle according to claim 1, it is characterised in that described
Second depressurized valve port positioning hole (22), institute are provided between main valve body (1) internal one-level relief chamber (3) and second depressurized chamber (8)
State the diameter of second depressurized chamber (8) and volume is all higher than the diameter and volume of second depressurized valve port positioning hole (22).
4. safe and reliable pressure-reducing regulator for compressed natural gas used in vehicle according to claim 1, it is characterised in that described
The external front face of main valve body (1) is provided with air outlet adapter (13), safety valve (15), water supply connector (14) and water out adapter (18), main
Water temperature inductive connector (17), the safety valve (15) and one-level relief chamber (3) spiral shell are additionally provided with beside the side crowning of valve body (1)
Connect and communicate, the air outlet adapter (13) is spirally connected with second depressurized chamber (8) to be communicated, the water supply connector (14), water out adapter (18)
It is spirally connected and communicates with water circulation runner (11), the water temperature inductive connector (17) and water circulation runner (11) is spirally connected positioning.
5. safe and reliable pressure-reducing regulator for compressed natural gas used in vehicle according to claim 1, it is characterised in that described
The shapes and sizes of electromagnetic valve body (6) bottom kidney-shaped flange face (24) and the cross sectional shape of main valve body (1) side crowning and greatly
It is small consistent, two fixing holes (33) centre-to-centre spacing on the kidney-shaped flange face (24) and two on the crowning of main valve body (1) side
Internal thread hole (23) centre-to-centre spacing matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720973517.8U CN207093891U (en) | 2017-07-27 | 2017-07-27 | Safe and reliable pressure-reducing regulator for compressed natural gas used in vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720973517.8U CN207093891U (en) | 2017-07-27 | 2017-07-27 | Safe and reliable pressure-reducing regulator for compressed natural gas used in vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207093891U true CN207093891U (en) | 2018-03-13 |
Family
ID=61544219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720973517.8U Expired - Fee Related CN207093891U (en) | 2017-07-27 | 2017-07-27 | Safe and reliable pressure-reducing regulator for compressed natural gas used in vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207093891U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461537A (en) * | 2017-07-27 | 2017-12-12 | 绍兴上虞尚益德机电有限公司 | Safe and reliable pressure-reducing regulator for compressed natural gas used in vehicle |
-
2017
- 2017-07-27 CN CN201720973517.8U patent/CN207093891U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461537A (en) * | 2017-07-27 | 2017-12-12 | 绍兴上虞尚益德机电有限公司 | Safe and reliable pressure-reducing regulator for compressed natural gas used in vehicle |
| CN107461537B (en) * | 2017-07-27 | 2024-05-31 | 南京槐燕归电子科技有限公司 | Safe and reliable compressed natural gas pressure reducing regulator for automobiles |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180313 Termination date: 20200727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |