CN2586053Y - LPG cylinder valve pressure regulator - Google Patents
LPG cylinder valve pressure regulator Download PDFInfo
- Publication number
- CN2586053Y CN2586053Y CN 02288137 CN02288137U CN2586053Y CN 2586053 Y CN2586053 Y CN 2586053Y CN 02288137 CN02288137 CN 02288137 CN 02288137 U CN02288137 U CN 02288137U CN 2586053 Y CN2586053 Y CN 2586053Y
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- China
- Prior art keywords
- cylinder
- valve
- cylinder valve
- pressure
- valve body
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- 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 relates to a pressure regulating device for a liquefied gas cylinder valve. The utility model is composed of a pressure regulator and a cylinder valve, wherein, the cylinder valve comprises a cylinder valve body; the interior of the cylinder valve body is provided with a gas passage; a valve rod is arranged in the narrow gas passage on the upper part of the cylinder valve body, and the valve rod is contacted with a valve needle and a valve arranged on the valve needle. The utility model is characterized in that the utility model also comprises a connecting device arranged between the pressure regulator and the cylinder valve, an annular clamping groove arranged on the periphery of the upper part of the cylinder valve body, a clamping block which is arranged in the regulator and is inlaid in the annular clamping groove of the cylinder valve body and a pressure reducing valve arranged on the side surface of the cylinder valve body; one side of the pressure regulator is provided with a regulating knob connected with the valve rod. Accordingly, as the utility model is provided with the pressure reducing valve, pressure in a liquefied gas cylinder is near safe pressure; simultaneously, as the cylinder valve is connected with the clamping block of the pressure regulator, the installation is convenient, and the connection is firm; in addition, the service life is extended, and the damage caused by collision in the course of the operation can be prevented.
Description
Technical field
The utility model relates to a kind of pressure governor, relates in particular to a kind of cylinder for liquefied gas cylinder valve pressure regulating device that is used to regulate pressure.
Background technique
See also shown in Figure 1, in the market Gong Ying household liquified gas cylinder supporting regulator form (seeing also shown in Figure 1) by pressure governor and cylinder valve two large divisions usually, in actual use, the major defect of existence is:
1. there is not safety installations.Because the liquid gas of certain pressure is housed in the household liquified gas cylinder, in transportation process, rock through road top ripple, especially in temperature height and burning sun solarization in summer, the steel cylinder internal pressure sharply raises, and not having safety installations in prior art cylinder for liquefied gas pressure governor and the cylinder valve, this is a unsafe hidden danger.
2. loosening easily gas leakage.Be threaded, loosening easily.Because the cylinder valve on the prior art liquefaction steel cylinder is connected with being threaded with pressure governor, and the shape connection that meets at right angles, therefore in use collided easily, make thread looseness easily after the collision simultaneously, cause gas leakage, this is again a unsafe hidden danger.
3. inconvenience is installed, and working life is short.Because the prior art cylinder valve is connected by the realization that is threaded with pressure governor, so every installation once will be rotated ten multi-turns, not only very inconvenient, and owing to will twist very tightly in order to prevent to leak gas, and the screw thread of pressure governor is an aluminum, use repeatedly rear thread just disorderly to detain sliding tooth, stubborn even not tight, cause unsafe hidden danger again.
Summary of the invention
The purpose of this utility model is to provide a kind of improved cylinder for liquefied gas cylinder valve pressure regulating device, and it can not only quick mounting, and can regulate the pressure in the cylinder for liquefied gas automatically.
The purpose of this utility model is achieved in that
A kind of cylinder for liquefied gas cylinder valve pressure regulating device, by a pressure governor, the cylinder valve that is connected with pressure governor is formed, this cylinder valve comprises the cylinder valve body, be provided with gas channel in the cylinder valve body, be arranged on the valve rod in the cylinder valve body upper narrow gas channel, the needle that is connected with the valve rod contact is fixedly installed on the valve on the needle; Be characterized in also comprising:
One connection set, this connection set are between pressure governor and cylinder valve, and it comprises, is arranged on the annular slot at cylinder valve body upper periphery position, is positioned at the fixture block of pressure governor, and this fixture block is embedded in the cylinder valve body upper, annular draw-in groove;
One reduction valve, this reduction valve are arranged on the place, side of cylinder valve body.
In above-mentioned cylinder for liquefied gas cylinder valve pressure regulating device, wherein, one adjusting knob is set in described pressure governor one side, this adjusting knob is connected with valve rod.
In above-mentioned cylinder for liquefied gas cylinder valve pressure regulating device, wherein, a seal ring is set on described valve, the diameter of sealing circle and the diameter of narrow gas channel are suitable.
In above-mentioned cylinder for liquefied gas cylinder valve pressure regulating device, wherein, promptly one air inlet bolt is set with the cylinder for liquefied gas joint in described cylinder valve body bottom, between this air inlet bolt and valve, a spring is set.
In above-mentioned cylinder for liquefied gas cylinder valve pressure regulating device, wherein, described reduction valve comprises, is arranged on the decompression bolt of cylinder valve body side, is positioned at the pressure loading valve of depressed gas passway, is arranged on the relief spring between decompression bolt and the pressure loading valve.
The utility model cylinder for liquefied gas cylinder valve pressure regulating device makes it compared with prior art owing to adopted above-mentioned technological scheme, has following advantage and good effect:
1. easy for installation and safe in utilization.The utility model is owing to be provided with annular slot on cylinder valve top, in pressure governor, be provided with and the suitable fixture block of annular slot, when pressure governor and cylinder valve connection, as long as knob one changes, fixture block blocks annular groove, not only be connected firmly, and any collision only can not rotate and can become flexible, therefore fool proof reliable.
2. be provided with safety installations.The utility model is owing to be provided with reduction valve in cylinder valve body one side, can set pressure in the cylinder valve by regulating air inlet bolt and decompression bolt, when if the pressure in the cylinder for liquefied gas is higher than setting value, can open the depressed gas passage, thereby discharged portion gas, make the pressure of gas in the steel cylinder be no more than safety pressure, thereby improved cylinder for liquefied gas safety coefficient in transportation or use.
3. improve working life.Engage thread connects the utility model because the combination of pressure governor and cylinder valve adopts the fixture block mode to be connected, and therefore wear problem can not occur; Simultaneously, pressure governor and cylinder valve be that linear fashion but not right angle type are connected in conjunction with what adopt, thereby prevent the collision in the using process, even and collision can not rotate and can become flexible, can stop the hidden danger of this respect.
Structure tightly beat and volume little.The utility model since pressure governor and cylinder valve straight line is connected, fixture block is chimeric and the liquid gas air inlet is finely tuned with knob in conjunction with adopting, the bolt of having save large volume connects and adjusting, thus structure tightly to beat volume little, and very attractive in appearance.
Description of drawings
By the description of a following embodiment to the utility model cylinder for liquefied gas cylinder valve pressure regulating device, can further understand the purpose of this utility model, specific structural features and advantage in conjunction with its accompanying drawing.Wherein, accompanying drawing is:
Fig. 1 is the structural representation of prior art regulator;
Fig. 2 is the structural representation of the utility model cylinder for liquefied gas cylinder valve pressure regulating device.
Embodiment
See also shown in Figure 2, the utility model cylinder for liquefied gas cylinder valve pressure regulating device, by a pressure governor 10 and the cylinder valve 20 that is connected with pressure governor 10, and be arranged on connection set 30 between pressure governor 10 and the cylinder valve 20, the reduction valve 40 that is positioned at cylinder valve 20 1 sides forms.
Described cylinder valve 20 comprises, one cylinder valve body 21, be provided with the current gas channel 22 of feed flow gasification in the cylinder valve body 21, the top of gas channel 22 is narrow gas channels 221, in this narrow gas channel 221, a valve rod 23 is set, in described pressure governor 10 1 sides one adjusting knob 11 is set, this adjusting knob 11 is connected with valve rod 23, and its controls moving up and down of valve rod 23; The bottom of valve rod 23 is needles 24, and it and valve rod 23 are and are accessibly connected, and fixedly install a valve 25 at needle 24 middle parts, and moving up and down of needle 24 can be sealed narrow gas channel 221.The utility model is provided with a seal ring 26 on valve 25, the diameter of the diameter of sealing circle 26 and narrow gas channel 221 is suitable, when needle 24 moves up, can well narrow gas channel 221 be sealed on seal ring 26 and the valve 25; Promptly one air inlet bolt 27 is set in cylinder valve body 21 bottoms with the cylinder for liquefied gas joint, one spring 28 is set between this air inlet bolt 27 and valve 25, when the pressure in the cylinder for liquefied gas was high, spring 28 promoted top on the valve 25, and narrow gas channel 221 is sealed.
Described connection set 30 is arranged between pressure governor 10 and the cylinder valve 20, connection set 30 comprises, be arranged on the annular slot 31 at cylinder valve body 21 upper periphery positions, corresponding is is provided with in pressure governor 10 and the suitable fixture block 32 of cylinder valve body 21 upper, annular draw-in grooves 31, this fixture block 32 is embedded in the annular slot 31 of cylinder valve body 21, and fixture block 32 is rotatable in annular slot 31.
Described reduction valve 40 is arranged on the place, side of cylinder valve body 21, reduction valve 40 comprises, be arranged on the decompression bolt 41 of cylinder valve body 21 sides, be positioned at the pressure loading valve 42 of 222 mouthfuls in depressed gas passage, be arranged on the relief spring 43 between decompression bolt 41 and the pressure loading valve 42.
The utility model is work like this:
When being connected with cylinder valve 20 with pressure governor 10, knob 11 1 is changeed, fixture block 32 blocks in annular groove 31, and any collision only can be rotated and can not be become flexible, then with bottom and the cylinder for liquefied gas fit of cylinder valve 20, and the preparation air feed;
When the need air feed, slight turning knob 11, the rotation of knob 11 moves down valve rod 23, promotes needle 24 and is being with valve 25 to move down, and the narrow gas channel 221 on cylinder valve body 21 tops is opened, liquid gas just from narrow gas channel 221 by and send;
When if the pressure in the cylinder for liquefied gas is higher than setting value, spring 28 between air inlet bolt 27 and the valve 25 promotes top on the valve 25, narrow gas channel 221 is sealed, liquid gas leads to depressed gas passage 222, the pressure loading valve 42 that will be positioned at 222 mouthfuls in depressed gas passage is pushed open, thereby discharged portion gas, reduced the pressure in the cylinder for liquefied gas, prevented the generation of unexpected explosive incident.
In sum, the utility model cylinder for liquefied gas cylinder valve pressure regulating device is owing to be provided with suitable annular slot and fixture block on cylinder valve and pressure governor, and is therefore not only easy for installation and be connected firmly, and reduces wear and improve the life-span; Simultaneously,, make the pressure of gas in the cylinder for liquefied gas be tending towards safety pressure, improved cylinder for liquefied gas safety coefficient in transportation or use owing on the cylinder valve body, reduction valve is set; In addition, straight line is connected, fixture block is chimeric and the liquid gas air inlet is finely tuned with knob, not only prevents the damaged in collision in the using process because the combination of pressure governor and cylinder valve is adopted, and has save the bolt adjusting of large volume, it is little and attractive in appearance that its structure is tightly beaten volume, therefore very practical.
Claims (5)
1. cylinder for liquefied gas cylinder valve pressure regulating device, by a pressure governor (10), the cylinder valve (20) that is connected with pressure governor (10) is formed, this cylinder valve (20) comprises cylinder valve body (21), be provided with gas channel (22) in the cylinder valve body (21), be arranged on the valve rod (23) in cylinder valve body (21) the upper narrow gas channel (221), the needle (24) with valve rod (23) contact is connected is fixedly installed on the valve (25) on the needle (24); It is characterized in that also comprising:
One connection set (30), this connection set (30) is positioned between pressure governor (10) and the cylinder valve (20), it comprises, be arranged on the annular slot (31) at cylinder valve body (21) upper periphery position, be positioned at the fixture block (32) of pressure governor (10), this fixture block (32) is embedded in cylinder valve body (21) the upper, annular draw-in groove (31);
One reduction valve (40), this reduction valve (40) are arranged on the place, side of cylinder valve body (21).
2. cylinder for liquefied gas cylinder valve pressure regulating device as claimed in claim 1 is characterized in that: in described pressure governor (10) one sides one adjusting knob (11) is set, this adjusting knob (11) is connected with valve rod (23).
3. cylinder for liquefied gas cylinder valve pressure regulating device as claimed in claim 1 is characterized in that: a seal ring (26) is set on described valve (25), and the diameter of the diameter of sealing circle (26) and narrow gas channel (221) is suitable.
4. cylinder for liquefied gas cylinder valve pressure regulating device as claimed in claim 1, it is characterized in that: promptly one air inlet bolt (27) is set in described cylinder valve body (21) bottom, between this air inlet bolt (27) and valve (25), a spring (28) is set with the cylinder for liquefied gas joint.
5. cylinder for liquefied gas cylinder valve pressure regulating device as claimed in claim 1, it is characterized in that: described reduction valve (40) comprises, be arranged on the decompression bolt (41) of cylinder valve body (21) side, be positioned at the pressure loading valve (42) of depressed gas passage (222) mouth, be arranged on the relief spring (43) between decompression bolt (41) and the pressure loading valve (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02288137 CN2586053Y (en) | 2002-12-09 | 2002-12-09 | LPG cylinder valve pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02288137 CN2586053Y (en) | 2002-12-09 | 2002-12-09 | LPG cylinder valve pressure regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2586053Y true CN2586053Y (en) | 2003-11-12 |
Family
ID=33748121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02288137 Expired - Fee Related CN2586053Y (en) | 2002-12-09 | 2002-12-09 | LPG cylinder valve pressure regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2586053Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100559317C (en) * | 2004-09-14 | 2009-11-11 | 株式会社东海 | Regulator |
| CN104180159A (en) * | 2009-03-11 | 2014-12-03 | 威克特设备公司 | Gas Pressure Regulator Having Energy Absorbing Features |
| CN105402420A (en) * | 2015-12-02 | 2016-03-16 | 广东奇才阀门科技有限公司 | Filling limiting cylinder valve |
-
2002
- 2002-12-09 CN CN 02288137 patent/CN2586053Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100559317C (en) * | 2004-09-14 | 2009-11-11 | 株式会社东海 | Regulator |
| CN104180159A (en) * | 2009-03-11 | 2014-12-03 | 威克特设备公司 | Gas Pressure Regulator Having Energy Absorbing Features |
| CN104180159B (en) * | 2009-03-11 | 2017-01-18 | 威克特设备公司 | Gas Pressure Regulator Having Energy Absorbing Features |
| CN105402420A (en) * | 2015-12-02 | 2016-03-16 | 广东奇才阀门科技有限公司 | Filling limiting cylinder valve |
| CN105402420B (en) * | 2015-12-02 | 2017-09-19 | 广东奇才阀门科技有限公司 | Limitation fills cylinder valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031112 Termination date: 20111209 |