CN108930910B - CNG gas vehicle gas filling mode conversion device - Google Patents
CNG gas vehicle gas filling mode conversion device Download PDFInfo
- Publication number
- CN108930910B CN108930910B CN201710367855.1A CN201710367855A CN108930910B CN 108930910 B CN108930910 B CN 108930910B CN 201710367855 A CN201710367855 A CN 201710367855A CN 108930910 B CN108930910 B CN 108930910B
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- China
- Prior art keywords
- gas filling
- shaft sleeve
- buckle
- sleeve
- converter
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention aims to provide a gas filling mode conversion device of a CNG (compressed natural gas) vehicle, which comprises a converter, a shaft sleeve, a buckle and an outer clamping sleeve. The inner cavity of the shaft sleeve is provided with internal threads, the outer part of the shaft sleeve is provided with external threads, the external threads provide guidance for the outer clamping sleeve, the internal threads provide guidance for the converter, a plurality of grooves are formed in the first end of the shaft sleeve, the ends of the buckles are contained in the grooves, and the ends of the buckles are penetrated by steel rings and are circumferentially fixed on the shaft sleeve; the outer clamping sleeve is matched and connected with the external thread of the shaft sleeve, when the outer clamping sleeve rotates on the shaft sleeve, one end of the pressing sleeve structure pushes the buckle to be opened and closed, and the buckle is used for being fixed with the NGV gas filling port; the converter is connected with the internal thread on the shaft sleeve and moves along the axial direction through rotation, and the end is provided with a bolt type air charging port. The gas filling device can easily realize the conversion from the NGV type joint to the bolt type joint, realize the free gas filling of the vehicle on different gas filling machines, facilitate the free running of the vehicle in different areas and improve the applicability of the gas vehicle.
Description
Technical Field
The invention relates to a gas filling mode conversion device of a CNG (compressed natural gas) vehicle, belonging to the field of gas supply of commercial vehicles.
Background
At present, the domestic CNG Vehicle has two Gas filling modes of NGV (Natural Gas Vehicle using CNG as fuel is called NGV) and bolt type, China has wide breadth, different Gas filling modes are adopted in different areas, and the normal Gas filling of the Vehicle is often restricted due to the difference of Gas filling ports when the Vehicle runs across the area. Therefore, a device is needed to realize real-time switching of the gas filling modes of the CNG gas vehicle.
Disclosure of Invention
The invention provides a gas filling mode conversion device for a CNG (compressed natural gas) vehicle, which can realize free switching of gas filling modes of the CNG vehicle.
The invention is realized by the following technical scheme:
a gas filling mode conversion device of a CNG gas vehicle is characterized in that,
comprises a buckle (1), a steel ring (2), an outer clamping sleeve (3), a shaft sleeve (4) and a converter (7);
the inner cavity of the shaft sleeve is provided with internal threads, the outer part of the shaft sleeve is provided with external threads, the external threads provide guidance for the outer clamping sleeve, the internal threads provide guidance for the converter, a first end of the shaft sleeve is provided with a plurality of grooves, and one ends of the buckles are accommodated in the grooves;
one end of the buckle in the groove is penetrated by a steel ring and fixed on the shaft sleeve, and the steel ring penetrates in the circumferential direction and is arranged on the first end head of the shaft sleeve;
the first end of the outer clamping sleeve is matched and connected with the external thread on the shaft sleeve, the second end of the outer clamping sleeve is in a pressing sleeve form, when the outer clamping sleeve rotates on the shaft sleeve, one end of a pressing sleeve structure of the outer clamping sleeve pushes the buckle to be opened and closed, and the buckle is used for being fixed with the NGV gas filling port;
one end of the converter is provided with an external thread which is connected with the internal thread on the shaft sleeve, the converter moves along the axial direction through rotation, and the end of the converter is provided with a groove for sealing; and a bolt type air charging port is arranged at the other end of the converter.
Furthermore, the groove is radially provided with two sealing grooves, the bottom of the groove is provided with one sealing groove, the sealing grooves are respectively provided with a first sealing ring and a second sealing ring, and the NGV air inlet is sealed at the radial direction and the shaft end through the three sealing grooves.
Further, when the converter rotates along the shaft sleeve, the second sealing ring is pressed to firmly fix the buckle on the NGV air charging opening.
Furthermore, the first sealing ring (5) seals the air filling port in the axial direction, the second sealing ring (6) seals the air filling port in the axial direction, and the converter (7) moves in the axial direction along the guide rail to push the second sealing ring to be tightly pressed at the end part of the air filling port.
Furthermore, one end of the buckle is fixed, the other end of the buckle is open, and the buckle swings along with the steel ring (2).
Furthermore, a plurality of grooves are uniformly distributed along the circumferential direction, and every other groove is provided with a buckle.
Further, 6 grooves are evenly distributed along the circumferential direction, and 3 buckles are evenly distributed in the grooves along the circumferential direction.
Furthermore, the outer side of the shaft sleeve is of a stepped structure, and the outer diameter of the first end of the shaft sleeve is smaller than that of the second end of the shaft sleeve.
Further, the buckle is of an L-shaped structure, the opening end of the buckle comprises a downward extending end, the downward extending end of the buckle comprises a trapezoidal inclined surface, and the trapezoidal inclined surface is clamped with the inclined surface of the NGV-type air charging opening.
Furthermore, the pressing sleeve inner cavity of the outer clamping sleeve is provided with a groove for accommodating the tilting end of one end of the buckle in the groove after rotation.
The invention has the beneficial effects that: the influence of different gas filling ports on vehicle gas filling is solved, free gas filling of the vehicle on different gas filling machines can be realized, free running of the vehicle among different areas is facilitated, and the applicability of the gas vehicle is improved.
Drawings
FIG. 1 is a closed state diagram of one embodiment of the present invention;
FIG. 2 is an on state diagram of one embodiment of the present invention;
FIG. 3 is a schematic diagram of an open configuration of one embodiment of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a schematic diagram of a closed state structure of an embodiment of the present invention;
fig. 6 is a B-B sectional view of fig. 5.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
The CNG gas vehicle gas filling mode conversion device shown in figures 1-6 comprises a buckle 1, a steel ring 2, an outer cutting sleeve 3, a shaft sleeve 4, a first sealing ring 5, a second sealing ring 6 and a converter 7. The inner cavity of the shaft sleeve is provided with internal threads, the outer part of the shaft sleeve is provided with external threads, the external threads provide guidance for the outer clamping sleeve, the internal threads provide guidance for the converter, a plurality of grooves 8 are formed in the first end of the shaft sleeve, and one ends of the buckles are accommodated in the grooves; one end of the buckle in the groove is penetrated by a steel ring and fixed on the shaft sleeve, and the steel ring penetrates in the circumferential direction and is arranged on the first end head of the shaft sleeve; the first end of the outer clamping sleeve is matched and connected with the external thread on the shaft sleeve, the second end of the outer clamping sleeve is in a pressing sleeve form, when the outer clamping sleeve rotates on the shaft sleeve, one end of a pressing sleeve structure of the outer clamping sleeve pushes the buckle to be opened and closed, and the buckle is used for being fixed with the NGV gas filling port; one end of the converter is provided with an external thread which is connected with the internal thread on the shaft sleeve, the converter moves along the axial direction through rotation, and the end of the converter is provided with a groove for sealing; the other end of the converter is provided with a bolt type air charging port. In addition, two sealing grooves are radially arranged on the groove, one sealing groove is arranged at the bottom of the groove, a first sealing ring and a second sealing ring are respectively arranged on the sealing grooves, and the NGV air inlet is sealed at the radial direction and the shaft end through the three sealing grooves. When the converter rotates along the shaft sleeve, the second sealing ring is pressed tightly, so that the buckle is firmly fixed on the NGV air inlet. The first sealing ring seals the gas filling opening in the axial direction, the second sealing ring seals the gas filling opening in the axial direction, and the converter moves in the axial direction along the guide rail to push the second sealing ring to be tightly pressed at the end part of the gas filling opening. One end of the buckle is fixed, the other end of the buckle is open, and the buckle swings along with the steel ring.
In a preferred embodiment, a plurality of grooves are uniformly distributed along the circumferential direction, and every other groove is provided with a buckle.
In a preferred embodiment, 6 grooves are uniformly distributed along the circumferential direction, and 3 buckles are uniformly distributed in the grooves along the circumferential direction.
In a preferred embodiment, the outer side of the shaft sleeve is in a stepped structure, and the outer diameter size of the first end head is smaller than that of the second end head.
In a preferred embodiment, the latch is an L-shaped structure with an open end including a downwardly projecting end, and a downwardly projecting end including a trapezoidal ramp that engages the ramp of the NGV-style filler.
In a preferred embodiment, the inner cavity of the pressing sleeve of the outer cutting sleeve is provided with a groove for accommodating a turned-up end of one end of the groove of the buckle.
In actual operation, the outer cutting sleeve 3 is firstly rotated to the position shown in fig. 3, the buckle 1 is opened at the moment, and the device is nested on an NGV gas filling port; further rotating the cutting sleeve 3 to the position shown in fig. 5 in the opposite direction, wherein the buckle 1 is clamped on the groove of the NGV air inlet at the moment; further, the converter 7 is rotated to firmly fix the buckle 1 on an NGV gas filling port, and finally a bolt type gas filling gun is used for filling gas on a bolt type gas filling port of the converter 7.
When the converter rotates along the shaft sleeve, the second sealing ring is further pressed, so that the buckle is firmly fixed on the NGV air inlet. The other end of the converter is provided with a bolt type air charging port, and after the conversion device is fixed on the NGV air charging port, a bolt type air charging gun can be used for charging air to the vehicle; and the other converter is provided with an external thread which is matched with the internal thread of the outer shaft sleeve and can move along the axial direction. After the fixing device is removed, the NGV type air filling gun can be used for filling air into the vehicle, and the free switching of the air filling modes of the vehicle is completed.
The invention solves the problem of influence of different gas filling ports on gas filling of the vehicle, can realize free gas filling of the vehicle on different gas filling machines, is convenient for the vehicle to freely run in different areas, and improves the applicability of the gas vehicle.
Claims (10)
1. A gas filling mode conversion device of a CNG gas vehicle is characterized in that,
comprises a buckle (1), a steel ring (2), an outer clamping sleeve (3), a shaft sleeve (4) and a converter (7);
the inner cavity of the shaft sleeve is provided with internal threads, the outer part of the shaft sleeve is provided with external threads, the external threads provide guidance for the outer clamping sleeve, the internal threads provide guidance for the converter, a first end of the shaft sleeve is provided with a plurality of grooves, and one ends of the buckles are accommodated in the grooves;
one end of the buckle in the groove is penetrated by a steel ring and fixed on the shaft sleeve, and the steel ring penetrates in the circumferential direction and is arranged on the first end head of the shaft sleeve;
the first end of the outer clamping sleeve is connected with the external thread on the shaft sleeve in a matching way, the second end of the outer clamping sleeve is of a pressing sleeve structure, when the outer clamping sleeve rotates on the shaft sleeve, one end of the pressing sleeve structure pushes the buckle to be opened and closed, and the buckle is used for being fixed with the NGV gas filling port;
one end of the converter is provided with an external thread which is connected with the internal thread on the shaft sleeve, the converter moves along the axial direction through rotation, and the end of the converter is provided with a groove which is used for accommodating the outer end of the NGV gas filling port so as to enable the converter to be connected with the NGV gas filling port in a sealing way; and a bolt type air charging port is arranged at the other end of the converter.
2. The device for converting a gas filling mode of a CNG (compressed natural gas) vehicle according to claim 1, wherein the groove is radially provided with two sealing grooves, the bottom of the groove is provided with one sealing groove, the two radially arranged sealing grooves are provided with a first sealing ring, the bottom of the groove is provided with a second sealing ring, and the NGV gas filling port is sealed at the radial and shaft ends through three sealing grooves.
3. The CNG vehicle gas filling mode conversion device of claim 2, wherein when the converter rotates along the shaft sleeve, the second sealing ring is pressed to firmly fix the buckle on the NGV gas filling opening.
4. A CNG gas vehicle gas filling mode conversion device according to claim 2, wherein the first sealing ring (5) seals the NGV gas filling port in the radial direction, the second sealing ring (6) seals the NGV gas filling port in the axial direction, and the converter (7) moves in the axial direction along the guide rail to push the second sealing ring to press the NGV gas filling port end.
5. A gas filling mode conversion device of CNG (compressed natural gas) vehicles according to any one of claims 1-4, wherein one end of the buckle is fixed, the other end of the buckle is open, and the buckle swings with the steel ring (2).
6. A gas filling mode conversion device of a CNG vehicle according to any one of claims 1 to 4, wherein a plurality of grooves are uniformly distributed at the first end of the shaft sleeve along the circumferential direction, and a buckle is arranged at every other groove.
7. A gas filling mode conversion device of a CNG vehicle according to any one of claims 1 to 4, wherein the first end of the shaft sleeve is circumferentially and uniformly distributed with 6 grooves, and the 3 fasteners are circumferentially and uniformly distributed in the grooves.
8. A gas filling mode conversion device of a CNG vehicle according to any one of claims 1 to 4, wherein the outside of the shaft sleeve is of a stepped structure, and the outer diameter of the first end is smaller than that of the second end.
9. A gas filling mode conversion device of CNG (compressed natural gas) vehicles according to any one of claims 1 to 4, wherein the buckle is of an L-shaped structure, the open end of the buckle comprises a downward extending end, the downward extending end comprises a trapezoidal inclined surface, and the trapezoidal inclined surface is clamped with the inclined surface of the NGV-type gas filling port.
10. A gas filling mode conversion device of a CNG (compressed natural gas) vehicle according to any one of claims 1 to 4, wherein the inner cavity of the pressing sleeve of the outer clamping sleeve is provided with a groove for accommodating a turned-up end of one end of the buckle in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710367855.1A CN108930910B (en) | 2017-05-23 | 2017-05-23 | CNG gas vehicle gas filling mode conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710367855.1A CN108930910B (en) | 2017-05-23 | 2017-05-23 | CNG gas vehicle gas filling mode conversion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108930910A CN108930910A (en) | 2018-12-04 |
| CN108930910B true CN108930910B (en) | 2020-12-29 |
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ID=64450247
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710367855.1A Active CN108930910B (en) | 2017-05-23 | 2017-05-23 | CNG gas vehicle gas filling mode conversion device |
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| Country | Link |
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| CN (1) | CN108930910B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9209635U1 (en) * | 1992-07-17 | 1992-09-17 | Weh GmbH, Verbindungstechnik, 7918 Illertissen | Quick coupling |
| CN103270362B (en) * | 2010-08-10 | 2015-11-25 | 霍华德·M·小西 | The joiner of quick connection |
| US8844979B2 (en) * | 2012-01-10 | 2014-09-30 | Fastest, Inc. | Quick connect fluid connectors with roller mechanism actuator |
| WO2014123742A1 (en) * | 2013-01-31 | 2014-08-14 | Eaton Corporation | Fluid coupling assembly with integral plug retainer |
| FR3003331B1 (en) * | 2013-03-12 | 2015-09-18 | Staubli Sa Ets | RAPID COUPLING FEMALE ELEMENT AND RAPID CONNECTION INCLUDING SUCH FEMALE ELEMENT |
| CN203190034U (en) * | 2013-04-02 | 2013-09-11 | 力帆实业(集团)股份有限公司 | Conversion joint for compressed natural gas charging valve |
| CN204042276U (en) * | 2014-08-18 | 2014-12-24 | 广州井和精密机械加工有限公司 | A kind of tracheae rapid pipe joint |
| CN204328474U (en) * | 2014-12-17 | 2015-05-13 | 北京兰天达汽车清洁燃料技术有限公司 | The two gas charging valve control panel of a kind of gas-fueled vehicles |
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2017
- 2017-05-23 CN CN201710367855.1A patent/CN108930910B/en active Active
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| Publication number | Publication date |
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| CN108930910A (en) | 2018-12-04 |
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