CN210662313U - Gas terminal box - Google Patents
Gas terminal box Download PDFInfo
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- CN210662313U CN210662313U CN201921417655.3U CN201921417655U CN210662313U CN 210662313 U CN210662313 U CN 210662313U CN 201921417655 U CN201921417655 U CN 201921417655U CN 210662313 U CN210662313 U CN 210662313U
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Abstract
The utility model discloses a gas terminal box, which comprises a horizontally arranged gas cylinder, a dustproof box body, a stop valve and a plurality of flowmeters for measuring gas output quantity, wherein the flowmeters are installed on the gas cylinder; and a connecting rod nut is welded above the gas cylinder, one end of a stop valve is connected with the connecting rod nut, and a pressure gauge is installed on the stop valve. The advantage, this gas terminal box, the gas cylinder has been protected effectively in setting up of dustproof box, has prolonged the life of gas cylinder, and independent dismouting and independent work of single flowmeter have improved work efficiency simultaneously.
Description
Technical Field
The utility model relates to a relief pressure valve technical field, in particular to a gas terminal case for in high pressure relief pressure valve.
Background
At present, the gas cylinders in the prior art are directly exposed outside, and the service life of the gas cylinders is greatly different due to different environments.
SUMMERY OF THE UTILITY MODEL
The utility model provides a gas terminal box, the utility model discloses the technical scheme who takes is:
a gas terminal box comprises a horizontally arranged gas cylinder, a dustproof box body, a stop valve and a plurality of flowmeters which are arranged on the gas cylinder and used for measuring gas output quantity,
the dustproof box body comprises a box body and a dustproof box door, the gas cylinder is arranged in the box body through a gas cylinder support, the plurality of flow meters are arranged on the gas cylinder side by side, the flow meters are connected with gas outlet sleeves of the gas cylinder on the gas cylinder body, and gas outlets of the flow meters protrude downwards and extend out of the bottom of the box body; and a connecting rod nut is welded above the gas cylinder, one end of a stop valve is connected with the connecting rod nut, and a pressure gauge is installed on the stop valve.
The gas terminal box is a low-pressure side component, and is applied to ensure that the input pressure in a gas cylinder inlet pipe is below 0.99 MPa.
Right the utility model discloses technical scheme's preferred, gas cylinder support is "U" type, and gas cylinder support welding, gas cylinder support pass through the bolt fastening in box body bottom. The structural design of the gas cylinder bracket and the connection mode of the gas cylinder bracket and the dustproof box body are convenient to replace and mount repeatedly.
It is right the utility model discloses technical scheme's preferred, it is articulated through the hinge between dustproof chamber door and the box body, set up the observation window on dustproof chamber door.
Preferably, the flowmeter of the technical proposal of the utility model comprises a transparent outer tube,
the transparent inner tube is positioned inside the transparent outer tube, an air passage is formed between the transparent inner tube and the transparent outer tube, and the air passage is communicated with the inner cavity of the transparent inner tube;
the lower end of the transparent inner tube is sleeved on the inner tube base, an air inlet channel of the inner tube base is axially formed in the inner tube base, an aluminum bead is movably placed at the tail end of the air inlet channel of the inner tube base, and the diameter of the aluminum bead is smaller than the inner diameter of the transparent inner tube and larger than the inner diameter of the air inlet channel of the inner tube base;
the gas cylinder gas-discharge sleeve type gas-liquid flow meter comprises a flow meter body, wherein a gas inlet and a gas outlet are formed in the flow meter body, a gas inlet connecting rod is inserted into the gas inlet, a gas inlet screw cap is sleeved on the gas inlet connecting rod, and the gas inlet connecting rod is connected with a gas cylinder gas outlet sleeve on a gas cylinder body; the inner pipe base is arranged in the flowmeter body, the transparent outer pipe is fixed on the flowmeter body, and the inner pipe base and the transparent inner pipe are fixed; the air inlet is communicated with an air inlet channel of the inner tube base, and the air outlet is communicated with an air channel;
the valve body is provided with a valve chamber and a buffer chamber, and a channel for communicating the valve chamber with the buffer chamber is arranged on the valve body between the valve chamber and the buffer chamber; a piston group is arranged in the valve chamber, a diaphragm assembly is arranged on the buffer chamber, and the piston group is pushed by the diaphragm assembly to open or close the flowmeter; the outer surface of the valve body is convexly provided with a section of connecting column which extends into the air outlet, and the air outlet is communicated with the valve chamber through a valve body air inlet passage arranged on the valve body; the valve body is provided with a valve body air outlet passage which is communicated with the buffer chamber, the outlet end of the valve body air outlet passage is provided with an air outlet connecting rod, and an air outlet nut is sleeved on the air outlet connecting rod;
the piston group comprises a high-pressure valve shaft, a high-pressure valve spring and a fixing nut, the high-pressure valve shaft and the high-pressure valve spring are assembled in the valve chamber by the fixing nut, the fixing nut is in threaded pair connection with the inner wall of the valve chamber, the high-pressure valve shaft and the high-pressure valve spring are both arranged in the fixing nut, a long shaft section of the high-pressure valve shaft extends into the channel, one end of the high-pressure valve spring abuts against the fixing nut, and the other end of the high-pressure valve spring is sleeved in a short shaft section of the high-pressure valve shaft and abuts against the short shaft section;
the diaphragm assembly comprises a diaphragm disc, a diaphragm gasket, a spring positioning shaft, a low-pressure spring, a spring fulcrum shaft, a valve cover, a pressure regulating nut and a pressure regulating bolt, wherein the diaphragm disc, the diaphragm gasket, the spring positioning shaft, the low-pressure spring and the spring fulcrum shaft are sequentially positioned in the valve cover; the pressure regulating bolt is in threaded connection with the valve cover and abuts against the end face of the spring support shaft, the pressure regulating nut is in threaded connection with the pressure regulating bolt and is in threaded connection with the end portion of the valve cover, and the pressure regulating nut locks the pressure regulating bolt and the valve cover to prevent misoperation and influence on stable output of the flowmeter.
It is right the utility model discloses technical scheme's preferred, the junction between transparent outer tube and the flowmeter body sets up transparent outer tube and the sealed first O type sealing washer of flowmeter body, has guaranteed the sealing performance between transparent outer tube and the flowmeter body effectively.
It is right to the utility model discloses technical scheme's preferred, threaded connection between transparent outer tube and the flowmeter body.
It is right to the utility model discloses technical scheme's preferred, set up second O type sealing washer at the root of high pressure valve axle major axis section. The setting of second O type sealing washer has guaranteed that the flowmeter is closing, and valve chamber and surge chamber cut off completely, can not cause gas leakage.
To the utility model discloses technical scheme's preferred sets up third O type sealing washer between fixed nut and the valve house inner wall. The third O-shaped sealing ring ensures the sealing performance between the piston group and the valve chamber.
The utility model has the advantages compared with the prior art:
this gas terminal box, the gas cylinder has been protected effectively in the setting of dustproof box, has prolonged the life of gas cylinder, and independent dismouting and independent work of single flowmeter have improved work efficiency simultaneously.
Drawings
FIG. 1 is a main schematic view of the structure of the embodiment.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a cross-sectional view of the flow meter of fig. 1.
Fig. 4 is an exploded view of the flow meter of fig. 1.
Detailed Description
In order to make the disclosure of the present invention more comprehensible, the following description is further made in conjunction with the accompanying fig. 1 to 4 and the embodiments.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1:
as shown in fig. 1, a gas terminal box comprises a horizontally placed gas cylinder 1, a dustproof box body 2, a stop valve 7 and six gas output quantity metering flow meters 3 mounted on the gas cylinder 1.
As shown in fig. 1 and 2, the dustproof box body 2 comprises a box body and a dustproof box door, the dustproof box door is hinged to the box body through a hinge, an observation window is arranged on the dustproof box door, and the observation window corresponds to the six flowmeters 3.
The dustproof box body 2 of the embodiment is made of 304 stainless steel.
As shown in fig. 2, the gas cylinder 1 is arranged in the box body through the gas cylinder support 4, the gas cylinder support 4 is in a U shape, the gas cylinder 1 is welded with the gas cylinder support 4, and the gas cylinder support 4 is fixed at the bottom of the box body through bolts. The structural design of the gas cylinder bracket and the connection mode of the gas cylinder bracket and the dustproof box body are convenient to replace and mount repeatedly.
As shown in fig. 1, six flow meters 3 are arranged on a gas cylinder 1 side by side, the flow meters 3 are connected with a gas cylinder gas outlet sleeve 5 on the body of the gas cylinder 1, and a gas outlet of the flow meter 3 protrudes downwards and outwards to extend out of the bottom of a box body; a connecting rod nut 6 is welded above the gas cylinder 1, one end of a stop valve 7 is connected with the connecting rod nut 6, and a pressure gauge 8 is installed on the stop valve 7.
The gas terminal box is a low-pressure side component, and is applied to ensure that the input pressure in a gas cylinder inlet pipe is below 0.99 MPa. In this embodiment, six flowmeters 3 are optionally provided, and the six flowmeters 3 are independently assembled and disassembled and independently operated.
As shown in fig. 3 and 4, the flow meter 3 employed in the present embodiment includes a transparent outer tube 3-08, a transparent inner tube 3-04, an inner tube base 3-03, a flow meter body 3-01, a valve body 3-29, a piston group, and a diaphragm assembly.
As shown in fig. 3 and 4, the transparent inner tube 3-04 and the transparent outer tube 3-08 are both provided with sealed top ends and open bottom ends, the transparent inner tube 3-04 is positioned inside the transparent outer tube 3-08, the inner wall of the top end of the transparent outer tube 3-08 is provided with a stop block 3-06, an air passage is formed between the transparent inner tube 3-04 and the transparent outer tube 3-08, and the air passage is communicated with the inner cavity of the transparent inner tube 3-04; the lower end of the transparent inner tube 3-04 is sleeved on the inner tube base 3-03, an inner tube base air inlet channel is arranged on the inner tube base 3-03 along the axial direction, an aluminum bead 3-05 is movably arranged at the tail end of the inner tube base air inlet channel, and the diameter of the aluminum bead 3-05 is smaller than the inner diameter of the transparent inner tube 3-04 and larger than the inner diameter of the inner tube base air inlet channel; the flowmeter body 3-01 is provided with an air inlet 3-01-1 and an air outlet 3-01-2, an air inlet connecting rod 3-10 is inserted into the air inlet 3-01-1, an air inlet screw cap 3-11 is sleeved on the air inlet connecting rod 3-10, and the air inlet connecting rod 3-10 is connected with an air outlet sleeve 5 of an air bottle on the body of the air bottle 1; the inner pipe base 3-03 is arranged in the flowmeter body 3-01, the transparent outer pipe 3-08 is fixed on the flowmeter body 3-01, and the inner pipe base 3-03 and the transparent inner pipe 3-04 are fixed; the transparent outer tube 3-08 is in threaded connection with the flowmeter body 3-01, and a first O-shaped sealing ring 3-07 for sealing the transparent outer tube 3-08 and the flowmeter body 3-01 is arranged at the joint between the transparent outer tube 3-08 and the flowmeter body 3-01. The air inlet 3-01-1 is communicated with an air inlet channel of the inner tube base, and the air outlet 3-01-2 is communicated with an air passage.
As shown in fig. 3 and 4, a valve chamber 3-29-1 and a buffer chamber 3-29-4 are formed on the valve body 3-29, and a passage for communicating the valve chamber 3-29-1 with the buffer chamber 3-29-4 is formed on the valve body 3-29 between the valve chamber 3-29-1 and the buffer chamber 3-29-4; a piston group is arranged in the valve chamber 3-29-1, a diaphragm assembly is arranged on the buffer chamber 3-29-4, and the piston group is pushed by the diaphragm assembly to open or close the flowmeter; a connecting column is convexly arranged on the outer surface of the valve body 3-29 and extends into the air outlet 3-01-2, and the air outlet 3-01-2 is communicated with the valve chamber 3-29-1 through a valve body air inlet passage 3-29-2 formed in the valve body 3-29; the valve body 3-29 is provided with a valve body air outlet passage 3-29-3, the valve body air outlet passage 3-29-3 is communicated with the buffer chamber 3-29-4, an outlet end of the valve body air outlet passage 3-29-3 is provided with an air outlet connecting rod 3-26, and the air outlet connecting rod 3-26 is sleeved with an air outlet nut 3-27.
As shown in fig. 3 and 4, the piston assembly comprises a high-pressure valve shaft 3-22, a high-pressure valve spring 3-23 and a fixing nut 3-25, the fixing nut 3-25 assembles the high-pressure valve shaft 3-22 and the high-pressure valve spring 3-23 in the valve chamber 3-29-1, the fixing nut 3-25 is in threaded pair connection with the inner wall of the valve chamber 3-29-1, and a third O-shaped sealing ring 3-24 is arranged between the fixing nut 3-25 and the inner wall of the valve chamber 3-29-1. The high-pressure valve shaft 3-22 and the high-pressure valve spring 3-23 are both arranged in the fixing nut 3-25, the long shaft section of the high-pressure valve shaft 3-22 extends into the channel, and the root of the long shaft section of the high-pressure valve shaft 3-22 is provided with a second O-shaped sealing ring 3-21. One end of the high-pressure valve spring 3-23 is propped against the fixed nut 3-25, and the other end of the high-pressure valve spring 3-23 is sleeved into the short shaft section of the high-pressure valve shaft 3-22 and is propped against the short shaft section.
As shown in fig. 3 and 4, the diaphragm assembly comprises a diaphragm disc 3-12, a diaphragm 3-13, a diaphragm gasket 3-14, a spring positioning shaft 3-15, a low-pressure spring 3-16, a spring fulcrum shaft 3-17, a valve cover 3-18, a pressure regulating nut 3-19 and a pressure regulating bolt 3-20, wherein the diaphragm disc 3-12, the diaphragm 3-13, the diaphragm gasket 3-14, the spring positioning shaft 3-15, the low-pressure spring 3-16 and the spring fulcrum shaft 3-17 are sequentially positioned in the valve cover 3-18, the valve cover 3-18 is installed on a valve body 3-29, and the diaphragm disc 3-12 is positioned on the side close to the long shaft section of the high-pressure valve shaft 3-22; the pressure regulating screw 3-20 is connected with the valve cover 3-18 through screw threads and is propped against the end face of the spring fulcrum shaft 3-17, and the pressure regulating screw cap 3-19 is connected with the pressure regulating screw 3-20 through screw threads and is connected with the end part of the valve cover 3-18 through screw threads.
The working process of the flowmeter of the embodiment is as follows:
the gas inlet connecting rod 10 of the flowmeter is connected with the gas cylinder gas outlet sleeve 5 on the gas cylinder 1, and the gas outlet connecting rods 3-26 of the flowmeter are externally connected with gas equipment.
The gas terminal box is a low-pressure side component, and is applied to ensure that the input pressure in a gas cylinder inlet pipe is below 0.99 MPa. When in use, the stop valve 7 on the gas cylinder 1 is connected with the outlet side of the ball valve on the main pipeline.
When the flowmeter is not used, the root of the long shaft section of the high-pressure valve shaft 3-22 is provided with a second O-shaped sealing ring 3-21 to block the valve chamber 3-29-1 and the buffer chamber 3-29-4, and the gas outlet air passage 3-29-3 of the valve body has no gas discharge.
When the flowmeter is used, the pressure regulating bolts 3-20 are rotated, the pressure regulating bolts 3-20 push the low-pressure springs 3-16 to drive the membrane discs 3-12 to move, the membrane discs 3-12 push the long shaft sections of the high-pressure valve shafts 3-22, the valve chambers 3-29-1 are communicated with the buffer chambers 3-29-4, gas in the valve chambers 3-29-1 enters the buffer chambers 3-29-4, and the valve body gas outlet air passages 3-29-3 discharge the gas.
The gas terminal box of the embodiment has toxicity, is inflammable, cannot use combustion-supporting gas and has the use temperature of-20 ℃ to 45 ℃.
The utility model discloses the part that does not relate to all is the same with prior art or adopts prior art to realize.
The embodiments of the present invention are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. All equivalent changes and modifications made according to the content of the claims of the present invention should be regarded as the technical scope of the present invention.
Claims (8)
1. A gas terminal box is characterized by comprising a gas cylinder (1) which is horizontally placed, a dustproof box body (2), a stop valve (7) and a plurality of flowmeters (3) which are arranged on the gas cylinder (1) and used for metering gas output quantity,
the dustproof box body (2) comprises a box body and a dustproof box door, the gas bottle (1) is arranged in the box body through a gas bottle support (4), the plurality of flow meters (3) are arranged on the gas bottle (1) side by side, the flow meters (3) are connected with gas bottle gas outlet sleeves (5) on the body of the gas bottle (1), and gas outlets of the flow meters (3) protrude downwards and extend out of the bottom of the box body; a connecting rod nut (6) is welded above the gas cylinder (1), one end of a stop valve (7) is connected with the connecting rod nut (6), and a pressure gauge (8) is installed on the stop valve (7).
2. The gas terminal box according to claim 1, characterized in that the gas cylinder bracket (4) is U-shaped, the gas cylinder (1) is welded with the gas cylinder bracket (4), and the gas cylinder bracket (4) is fixed at the bottom of the box body through bolts.
3. The gas terminal cabinet according to claim 1, wherein the dust-proof cabinet door is hinged to the cabinet body by a hinge, and the dust-proof cabinet door is provided with an observation window.
4. Gas terminal enclosure according to claim 1, characterized in that the flow meter (3) comprises a transparent outer tube (3-08),
the transparent inner tube (3-04) is positioned inside the transparent outer tube (3-08), an air passage is formed between the transparent inner tube (3-04) and the transparent outer tube (3-08), and the air passage is communicated with the inner cavity of the transparent inner tube (3-04);
the lower end of the transparent inner tube (3-04) is sleeved on the inner tube base (3-03), an air inlet channel of the inner tube base is axially formed in the inner tube base (3-03), an aluminum bead (3-05) is movably arranged at the tail end of the air inlet channel of the inner tube base, and the diameter of the aluminum bead (3-05) is smaller than the inner diameter of the transparent inner tube (3-04) and larger than the inner diameter of the air inlet channel of the inner tube base;
the flowmeter comprises a flowmeter body (3-01), wherein the flowmeter body (3-01) is provided with an air inlet (3-01-1) and an air outlet (3-01-2), an air inlet connecting rod (3-10) is inserted into the air inlet (3-01-1), the air inlet connecting rod (3-10) is sleeved with an air inlet nut (3-11), and the air inlet connecting rod (3-10) is connected with an air outlet sleeve (5) of an air bottle on the body of the air bottle (1); the inner pipe base (3-03) is arranged in the flowmeter body (3-01), the transparent outer pipe (3-08) is fixed on the flowmeter body (3-01) and fixes the inner pipe base (3-03) and the transparent inner pipe (3-04); the air inlet (3-01-1) is communicated with an air inlet channel of the inner tube base, and the air outlet (3-01-2) is communicated with an air passage;
the valve body (3-29) is provided with a valve chamber (3-29-1) and a buffer chamber (3-29-4), and a channel for communicating the valve chamber (3-29-1) with the buffer chamber (3-29-4) is formed in the valve body (3-29) between the valve chamber (3-29-1) and the buffer chamber (3-29-4); a piston group is arranged in the valve chamber (3-29-1), a diaphragm assembly is arranged on the buffer chamber (3-29-4), and the piston group is pushed by the diaphragm assembly to open or close the flowmeter; a connecting column is convexly arranged on the outer surface of the valve body (3-29) and extends into the air outlet (3-01-2), and the air outlet (3-01-2) is communicated with the valve chamber (3-29-1) through a valve body air inlet passage (3-29-2) formed in the valve body (3-29); a valve body air outlet passage (3-29-3) is formed in the valve body (3-29), the valve body air outlet passage (3-29-3) is communicated with the buffer chamber (3-29-4), an air outlet connecting rod (3-26) is arranged at the outlet end of the valve body air outlet passage (3-29-3), and an air outlet nut (3-27) is sleeved on the air outlet connecting rod (3-26);
the piston group comprises high-pressure valve shafts (3-22), the high-pressure valve shaft assembly valve comprises high-pressure valve springs (3-23) and fixing nuts (3-25), the high-pressure valve shaft (3-22) and the high-pressure valve springs (3-23) are assembled in a valve chamber (3-29-1) by the fixing nuts (3-25), the fixing nuts (3-25) are in threaded pair connection with the inner wall of the valve chamber (3-29-1), the high-pressure valve shaft (3-22) and the high-pressure valve springs (3-23) are all installed in the fixing nuts (3-25), the long shaft section of the high-pressure valve shaft (3-22) extends into a channel, one end of each high-pressure valve spring (3-23) abuts against the corresponding fixing nut (3-25), and the other end of each high-pressure valve spring (3-23) is sleeved into the short shaft section of the corresponding high-pressure valve shaft (3-22) and abuts against the short shaft;
the diaphragm assembly comprises a diaphragm disc (3-12), a diaphragm (3-13), a diaphragm gasket (3-14), a spring positioning shaft (3-15), a low-pressure spring (3-16), a spring fulcrum shaft (3-17), a valve cover (3-18), a pressure regulating nut (3-19) and a pressure regulating bolt (3-20), wherein the diaphragm disc (3-12), the diaphragm (3-13), the diaphragm gasket (3-14), the spring positioning shaft (3-15), the low-pressure spring (3-16) and the spring fulcrum shaft (3-17) are sequentially positioned in the valve cover (3-18), the valve cover (3-18) is installed on the valve body (3-29), and the diaphragm disc (3-12) is positioned on the side close to the long shaft section of the high-pressure valve shaft (3-22); the pressure regulating bolt (3-20) is in threaded connection with the valve cover (3-18) and props against the end face of the spring support shaft (3-17), and the pressure regulating nut (3-19) is in threaded connection with the pressure regulating bolt (3-20) and is in threaded connection with the end part of the valve cover (3-18).
5. The gas terminal box according to claim 4, characterized in that the junction between the transparent outer tube (3-08) and the flowmeter body (3-01) is provided with a first O-ring (3-07) sealing the transparent outer tube (3-08) and the flowmeter body (3-01).
6. The gas terminal enclosure according to claim 5, characterized by a threaded connection between the transparent outer tube (3-08) and the flowmeter body (3-01).
7. Gas terminal box according to claim 4, characterized in that a second O-ring seal (3-21) is provided at the root of the long shaft section of the high pressure valve shaft (3-22).
8. Gas terminal enclosure according to claim 4, characterized in that a third O-ring seal (3-24) is arranged between the retaining nut (3-25) and the inner wall of the valve chamber (3-29-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921417655.3U CN210662313U (en) | 2019-08-29 | 2019-08-29 | Gas terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921417655.3U CN210662313U (en) | 2019-08-29 | 2019-08-29 | Gas terminal box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210662313U true CN210662313U (en) | 2020-06-02 |
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ID=70817873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921417655.3U Active CN210662313U (en) | 2019-08-29 | 2019-08-29 | Gas terminal box |
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| Country | Link |
|---|---|
| CN (1) | CN210662313U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566809A (en) * | 2019-08-29 | 2019-12-13 | 南京锦地辉国际贸易有限公司 | Gas terminal box |
-
2019
- 2019-08-29 CN CN201921417655.3U patent/CN210662313U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566809A (en) * | 2019-08-29 | 2019-12-13 | 南京锦地辉国际贸易有限公司 | Gas terminal box |
| CN110566809B (en) * | 2019-08-29 | 2024-04-19 | 南京锦地辉国际贸易有限公司 | Gas terminal box |
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