CN201293201Y - CNG quickly-changing cylinder - Google Patents
CNG quickly-changing cylinder Download PDFInfo
- Publication number
- CN201293201Y CN201293201Y CNU2008202384453U CN200820238445U CN201293201Y CN 201293201 Y CN201293201 Y CN 201293201Y CN U2008202384453 U CNU2008202384453 U CN U2008202384453U CN 200820238445 U CN200820238445 U CN 200820238445U CN 201293201 Y CN201293201 Y CN 201293201Y
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- China
- Prior art keywords
- high pressure
- pressure joint
- self
- stop valve
- pressure
- 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
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Abstract
The utility model discloses a compressed natural gas (CNG) fast changing bottle comprising a bottle body. A high-pressure plinth is fixed on a bottle mouth seat of the bottle body; a stop valve is mounted on the high-pressure plinth; and a high-pressure joint communicated with the outside is inserted in the high-pressure plinth. The CNG fast changing bottle is characterized in that a self-locking disk is fixedly mounted on the high-pressure joint, and when the high-pressure joint is inserted into the high-pressure plinth, the self-locking disk is close to the high-pressure plinth; a self-locking baffle is fixedly mounted on the stop valve; a unlocking gap is disposed on the self-locking baffle, and the shape of the unlocking gap is inosculated with that of the self-locking disk. When the stop valve is opened, and the high-pressure plinth is connected with the high-pressure joint, the self-locking baffle is positioned above the self-locking disk; and when the stop valve is closed, and the high-pressure plinth is disconnected with the high-pressure joint, the unlocking gap is positioned above the self-locking disk. The utility model is easy to fast replace, effectively prevents gas leakage at the joint, can be used for a long term, and can ensure that a gas circuit is safely and reliably connected and disconnected.
Description
Technical field
The utility model belongs to a kind of gas cylinder, is specifically related to a kind of CNG quick change gas cylinder.
Background technique
Rock gas is as cleaning, eco-friendly power source, and country just vigorously promotes the use.Gas-fueled vehicles and town dweller's combustion gas have been listed in the project of first developing in country's " gas utilization policy ".The rock gas using method is to set up the city gas gas transmission pipeline net work, supplies with Vehicle Fueling Station and resident and uses.The CNG gas-fueled vehicles are in gas station the air cylinder compression that the rock gas high pressure is pressed into automobile to be preserved, and the steam supply car engine uses behind multi-step pressure reduction.After running out of air in the air cylinder, just need again in the gas station aerating.Because the construction of gas station requires high on safety, floor space is big, investment is big, be difficult to find suitable place in densely populated urban area, make the construction of gas station in the region with quantitatively be restricted, caused present aerating difficulty, the situation that queuing time is long does not satisfy the requirement that automobile makes things convenient for aerating.In addition, on area that does not have the natural gas supply pipe network and expressway, do not have gas station yet, influence and limited the development of gas-fueled vehicles.In the area that does not have the natural gas supply pipe network, the resident also can not use rock gas.
For breaking through the restriction that gas station and gas distributing system are built, people begin to consider directly the gas cylinder on the gas-fueled vehicles to be changed, these ventilation gas cylinders are behind factory's can compressed natural gas, be transported to the ventilation point of setting up in a large number, gas-fueled vehicles and resident only need air bottle is replaced by the gas cylinder of filling gas, can continue to use, not be subjected to the restriction of gas station and gas transmission pipeline net work fully.Therefore, but rock gas is as inflammable and explosive hazardous gas, gas cylinder is connected with air inlet pipeline, gas cylinder is connected just extremely important with the high pressure of automobile supply air line, require gas cylinder to be connected reliably break-make with the gas circuit of high-pressure air pipe, therefore a lot of technological schemes all are to adopt thread connecting mode, but changing, gas cylinder also to satisfy the safe and efficient requirement of gas cylinder replacing, and it is just very loaded down with trivial details to be threaded, and the screw thread easy deformation is skidded, the long-term use will influence the reliability that gas circuit connects, and causes high-pressure gas to leak.
The defective of prior art is: safe and efficient requirement in the time of can't satisfying gas cylinder and change, the long-term use will influence the reliability that gas circuit connects, and cause the high-pressure gas leakage of jointing, have potential safety hazard.
The model utility content
The purpose of this utility model is to propose a kind of quick-replaceable CNG quick change gas cylinder that is easy to, and can effectively prevent the gas leakage of jointing, realizes gas circuit break-make safely and reliably.
For achieving the above object, the utility model provides a kind of CNG quick change gas cylinder, comprise body, be installed with the high pressure joint seat on the bottleneck seat of this body, on this high pressure joint seat stop valve is installed, also is fitted with high pressure joint on this high pressure joint seat and communicates with the external world, its key is: be installed with from lock collar in the described high pressure joint, after described high pressure joint plug-in mounting advances the high pressure joint seat, from the close described high pressure joint seat of lock collar;
Be installed with the self-locking baffle plate on the described stop valve, have the release breach on this self-locking baffle plate, the shape of this release breach and describedly match from lock collar, when stop valve is opened, when the high pressure joint seat is communicated with high pressure joint, described self-locking baffle plate be positioned at described top from lock collar, when stop valve is closed, when high pressure joint seat and high pressure joint disconnected, described release breach was positioned at described top from lock collar.
The self-locking baffle plate is spacing to carrying out from lock collar, prevents that when stop valve was opened, high pressure joint came off from the high pressure joint seat, has guaranteed that the two can connect safely and reliably, prevents gas leakage.
The release breach is left for from lock collar, guarantees to take out from the release indentation, there from lock collar when stop valve is closed, and is easy to getting fast between high pressure joint and the high pressure joint seat and changes.
On the described high pressure joint seat pressure gauge is installed.
On the described high pressure joint seat safety valve is installed.
By to manometric observation, can understand the air pressure in the body, can calculate tolerance in the bottle outlet by this bottle internal air pressure, can calculate the tolerance that the user uses by tolerance in this bottle, be used for clearing.
Surpassed the safety pressure of setting when the bottle internal air pressure is too high, then safety valve action is reduced to the pressure in the body in the safety pressure.
Body at described bottleneck seat periphery is welded with guard circle, and described high pressure joint seat and high pressure joint are positioned at this guard circle.
Guard circle plays and prevents that high pressure joint seat and high pressure joint and peripheral facility thereof from being hit.
Described guard circle is provided with opening, and described stop valve is towards this opening.
Described high pressure joint is installed in perforate on the sidewall of described high pressure joint seat, and an end of this high pressure joint is inserted in the described high pressure joint seat, and the other end of this high pressure joint is equipped with high-pressure air pipe and communicates with the external world.
Remarkable result of the present utility model is: a kind of quick-replaceable CNG quick change gas cylinder that is easy to is provided, effectively prevented the gas leakage of jointing, and long-term the use, also can guarantee gas circuit break-make safely and reliably.
Description of drawings
Fig. 1 is the structural representation of CNG quick change gas cylinder;
Fig. 2 is the layout chart of bottleneck;
Fig. 3 is the annexation figure of high pressure joint seat and high pressure joint;
Fig. 4 is that the self-locking baffle plate is to the location diagram from lock collar.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Shown in Fig. 1,3: a kind of CNG quick change gas cylinder, on the bottleneck seat 2 of its body 1, be installed with high pressure joint seat 9, on this high pressure joint seat 9 stop valve 4 is installed, also being fitted with high pressure joint 6 on this high pressure joint seat 9 communicates with the external world, be installed with from lock collar 8 in the described high pressure joint 6, after described high pressure joint 6 plug-in mountings advance high pressure joint seat 9, from lock collar 8 close described high pressure joint seats 9;
As shown in Figure 4: be installed with self-locking baffle plate 5 on the described stop valve 4, have the release breach on this self-locking baffle plate 5, the shape of this release breach and describedly match from lock collar 8, when stop valve 4 is opened, when high pressure joint seat 9 is communicated with high pressure joint 6, described self-locking baffle plate 5 be positioned at described top from lock collar 8, when stop valve 4 is closed, when high pressure joint seat 9 disconnected with high pressure joint 6, described release breach was positioned at described top from lock collar 8.
On the described high pressure joint seat 9 pressure gauge 3 is installed.
On the described high pressure joint seat 9 safety valve 11 is installed.
As shown in Figure 1, 2: the body 1 at described bottleneck seat 2 peripheries is welded with guard circle 10, and described high pressure joint seat 9 and high pressure joint 6 are positioned at this guard circle 10.
Described guard circle 10 is provided with opening, and described stop valve 4 is towards this opening.
As shown in Figure 1, 2: described high pressure joint 6 is installed in perforate on the sidewall of described high pressure joint seat 9, and an end of this high pressure joint 6 is inserted in the described high pressure joint seat 9, and the other end of this high pressure joint 6 is equipped with high-pressure air pipe 7 and communicates with the external world.
Its working principle is as follows:
The empty bottle can: the side-wall hole place with high pressure joint seat 9 is inserted in high pressure joint 6, open stop valve 4, it is spacing that 5 pairs on self-locking baffle plate is carried out from lock collar 8, and the tracheae stop valve of opening in the high pressure joint 6 begins inflation.After being inflated to authorized pressure, close stop valve 4 and tracheae stop valve, close stop valve 4 fully after, the release breach is extracted high pressure joint 6 for to step down from lock collar 8, inflation is finished.
Automobile changes bottle: after closing stop valve 4 fully, the release breach is extracted high pressure joint 6 for to step down from lock collar 8, takes off air bottle by artificial or machinery.To fill the gas cylinder of gas, pack in the automobile gas cylinder trapped orbit with artificial or machinery, chucking is fixing.Plug high pressure joint 6 from the release indentation, there, open stop valve 4, change bottle and finish.
The resident changes bottle with CNG quick change gas cylinder and also can adopt with automobile quick change gas cylinder and change a bottle similar structure, has just lacked automobile quick change gas cylinder trapped orbit and has tightened link.
Claims (6)
1, a kind of CNG quick change gas cylinder, comprise body (1), be installed with high pressure joint seat (9) on the bottleneck seat (2) of this body (1), on this high pressure joint seat (9) stop valve (4) is installed, also being fitted with high pressure joint (6) on this high pressure joint seat (9) communicates with the external world, it is characterized in that: be installed with in the described high pressure joint (6) from lock collar (8), after described high pressure joint (6) plug-in mounting advances high pressure joint seat (9), from the close described high pressure joint seat (9) of lock collar (8);
Be installed with self-locking baffle plate (5) on the described stop valve (4), have the release breach on this self-locking baffle plate (5), the shape of this release breach and describedly match from lock collar (8), when stop valve (4) is opened, high pressure joint seat (9) and high pressure joint (6) are when being communicated with, and described self-locking baffle plate (5) is positioned at described top from lock collar (8), when stop valve (4) is closed, when high pressure joint seat (9) disconnected with high pressure joint (6), described release breach was positioned at described top from lock collar (8).
2, according to the described CNG quick change of claim 1 gas cylinder, it is characterized in that: pressure gauge (3) is installed on the described high pressure joint seat (9).
3, according to the described CNG quick change of claim 1 gas cylinder, it is characterized in that: safety valve (11) is installed on the described high pressure joint seat (9).
4, according to the described CNG quick change of claim 1 gas cylinder, it is characterized in that: the body (1) at described bottleneck seat (2) periphery is welded with guard circle (10), and described high pressure joint seat (9) and high pressure joint (6) are positioned at this guard circle (10).
5, according to the described CNG quick change of claim 4 gas cylinder, it is characterized in that: described guard circle (10) is provided with opening, and described stop valve (4) is towards this opening.
6, according to the described CNG quick change of claim 1 gas cylinder, it is characterized in that: described high pressure joint (6) is installed in perforate on the sidewall of described high pressure joint seat (9), one end of this high pressure joint (6) is inserted in the described high pressure joint seat (9), and the other end of this high pressure joint (6) is equipped with high-pressure air pipe (7) and communicates with the external world.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202384453U CN201293201Y (en) | 2008-12-25 | 2008-12-25 | CNG quickly-changing cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202384453U CN201293201Y (en) | 2008-12-25 | 2008-12-25 | CNG quickly-changing cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201293201Y true CN201293201Y (en) | 2009-08-19 |
Family
ID=41006679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202384453U Expired - Fee Related CN201293201Y (en) | 2008-12-25 | 2008-12-25 | CNG quickly-changing cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201293201Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939736A (en) * | 2014-04-03 | 2014-07-23 | 中国人民解放军海军工程大学 | Anti-explosion inflating cover of high pressure air cylinder of positive pressure air respirator |
| CN104075101A (en) * | 2013-03-28 | 2014-10-01 | 通用汽车环球科技运作有限责任公司 | Tank for storing compressed natural gas |
-
2008
- 2008-12-25 CN CNU2008202384453U patent/CN201293201Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075101A (en) * | 2013-03-28 | 2014-10-01 | 通用汽车环球科技运作有限责任公司 | Tank for storing compressed natural gas |
| CN103939736A (en) * | 2014-04-03 | 2014-07-23 | 中国人民解放军海军工程大学 | Anti-explosion inflating cover of high pressure air cylinder of positive pressure air respirator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHONGQING ZHONGHE NATURAL GAS DEVELOPMENT CO., LTD Free format text: FORMER OWNER: ZHONG XIAOFENG Effective date: 20100701 Free format text: FORMER OWNER: HE ZHAOYUAN |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 400039 11-3, VENTURE BUSINESS INNOVATION PARK OF OVERSEAS STUDENTS, NO.71, ERLANGKECHENG ROAD, JIULONGPO DISTRICT, CHONGQING CITY TO: 401147 1414, TOWER B, LONGHUZIDUXINGZUO, NO.7, YUSONGYIZHI ROAD, YUBEI DISTRICT, CHONGQING CITY |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100701 Address after: 401147, Yubei District, Chongqing, one branch of Yu Song, No. 7, Longhu purple constellation B block 1414 Patentee after: Chongqing Zhonghe Gas Development Co., Ltd. Address before: 400039 Chongqing Jiulongpo Erlang Branch City Road No. 71 students Pioneering Park 11-3 Co-patentee before: He Chaoyuan Patentee before: Zhong Xiaofeng |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090819 Termination date: 20141225 |
|
| EXPY | Termination of patent right or utility model |