CN221145380U - Electric valve for gas meter - Google Patents
Electric valve for gas meter Download PDFInfo
- Publication number
- CN221145380U CN221145380U CN202323239626.1U CN202323239626U CN221145380U CN 221145380 U CN221145380 U CN 221145380U CN 202323239626 U CN202323239626 U CN 202323239626U CN 221145380 U CN221145380 U CN 221145380U
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- valve
- stainless steel
- face
- valve ball
- elastic sealing
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- 238000007789 sealing Methods 0.000 claims abstract description 89
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 37
- 239000010935 stainless steel Substances 0.000 claims abstract description 37
- 239000012535 impurity Substances 0.000 claims abstract description 29
- 238000005260 corrosion Methods 0.000 claims abstract description 27
- 238000000576 coating method Methods 0.000 claims abstract description 25
- 238000001914 filtration Methods 0.000 claims abstract description 23
- 239000011248 coating agent Substances 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims description 16
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 abstract description 9
- 229920002943 EPDM rubber Polymers 0.000 description 5
- HLQDGCWIOSOMDP-UHFFFAOYSA-N 2,3,4,5-tetrachlorobiphenyl Chemical compound ClC1=C(Cl)C(Cl)=CC(C=2C=CC=CC=2)=C1Cl HLQDGCWIOSOMDP-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
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- Valve Housings (AREA)
Abstract
The utility model discloses an electric valve for a gas meter, which comprises a valve shell, wherein the left end of the valve shell is provided with an air inlet, the right end of the valve shell, which is positioned at the air inlet, is sequentially provided with an impurity filtering cavity, a valve cavity and an air outlet, and an impurity filtering device is detachably arranged in the impurity filtering cavity; a valve ball is arranged in the valve cavity, a gas through hole is formed in the middle of the valve ball, a first anti-corrosion and wear-resistant coating is fixedly arranged on the outer surface of the valve ball, and a first anti-corrosion and wear-resistant coating is fixedly arranged on the inner wall surface of the gas through hole; the bottom of the valve ball is provided with a lower elastic sealing gasket, the upper end of the valve ball is provided with an upper elastic sealing gasket, the upper end face of the upper elastic sealing gasket is fixedly provided with a stainless steel locating frame, sealing is formed between the outer surface of the bottom of the valve ball and the inner surface of the lower elastic sealing gasket, and sealing is formed between the outer surface of the top of the valve ball and the inner surface of the upper elastic sealing gasket. Above-mentioned technical scheme, structural design is reasonable, the filter impurity is effectual, corrosion resistance is good and the practicality is good.
Description
Technical Field
The utility model relates to the technical field of gas valves, in particular to an electric valve for a gas meter.
Background
At present, factors such as scrap iron, impurities and the like which can influence the normal use of the gas meter exist in the gas pipeline. In order to solve the technical problems, the inventor applies for an anti-pollution filter assembly and an installation structure in an ultrasonic gas meter, such as a CN215842309U, and the anti-pollution filter assembly comprises a first sealing ring, a second sealing ring and a filter element; the filter piece comprises a first filter screen, a second filter screen, a first baffle and a second baffle, wherein the first filter screen is arranged below the first baffle, the second filter screen is vertically arranged above the junction of the first filter screen and the first baffle, the second baffle is arranged on the other side of the second filter screen, and the second baffle and the first filter screen are correspondingly arranged in parallel; the first sealing ring is arranged at the outer edges of the first filter screen and the first baffle, the second sealing ring is arranged at the outer edge of the second baffle and used for sealing the filter element and the shell of the gas meter, but the filter component of the device is positioned at the rear end of the valve, the front section cavity of the valve cannot be protected, the switch valve is easily affected by impurities, and the problem that the valve cannot be sealed possibly occurs; in addition, the valve for the existing gas meter is generally made of stainless steel or copper, the inner wall surface of the valve cavity and the outer surface of the valve ball are easy to corrode, gaps are easy to appear between the valve ball and the valve seat, gas leakage is caused, the service life is short, and the practicability is poor.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model aims to provide the electric valve for the gas meter, which has reasonable structural design, good impurity filtering effect, good corrosion resistance and good practicability.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the electric valve for the gas meter comprises a valve shell, wherein the left end of the valve shell is provided with an air inlet, the right end of the valve shell, which is positioned at the air inlet, is sequentially provided with an impurity filtering cavity, a valve cavity and an air outlet, and an impurity filtering device is detachably arranged in the impurity filtering cavity;
A valve ball is arranged in the valve cavity, a gas through hole is formed in the middle of the valve ball, a first anti-corrosion wear-resistant coating is fixedly arranged on the outer surface of the valve ball, and a first anti-corrosion wear-resistant coating is fixedly arranged on the inner wall surface of the gas through hole;
The valve comprises a valve shell, a valve ball, a valve rod through hole, a valve rod ball, a valve rod driving device and a valve rod driving device, wherein the valve rod is arranged in the valve shell;
The bottom of the valve ball is provided with a lower elastic sealing gasket, and the lower end surface of the lower elastic sealing gasket is fixedly bonded with the inner wall surface of the valve cavity; the upper end of the valve ball is provided with an upper elastic sealing gasket, the upper end face of the upper elastic sealing gasket is fixedly provided with a stainless steel positioning frame, the lower end face of the valve cover is provided with an arc-shaped groove aligned with the position of the valve ball, and the upper end face of the stainless steel positioning frame is fixedly connected with the inner wall face of the arc-shaped groove; the bottom outer surface of the valve ball and the inner surface of the lower elastic sealing gasket form a seal, and the top outer surface of the valve ball and the inner surface of the upper elastic sealing gasket form a seal.
The utility model is further provided with: the impurity filtering device comprises a cover plate, a first sealing ring, a stainless steel folding filter element, a stainless steel positioning filter screen and a second sealing ring, wherein the right end face of the first sealing ring is fixedly connected with the left end face of the stainless steel folding filter element, the right end face of the stainless steel folding filter element is fixedly connected with the left end face of the stainless steel positioning filter screen, the right end face of the stainless steel positioning filter screen is fixedly connected with the left end face of the second sealing ring, the upper ends of the stainless steel folding filter element and the stainless steel positioning filter screen are fixedly connected with the lower end face of the cover plate, and the cover plate is fixedly locked with the valve shell through screws.
The utility model is further arranged to: the valve is characterized in that a third sealing ring is arranged between the cover plate and the outer surface of the valve shell, a positioning convex ring is integrally arranged at the edge position of the cover plate, a sealing cover is arranged on the upper end face of the positioning convex ring, an elastic sealing layer is arranged on the lower surface of the sealing cover, the sealing cover is fixedly locked with the upper end face of the positioning convex ring through a screw, and the elastic sealing layer is tightly pressed when the sealing cover is locked.
The utility model is further arranged to: the first anti-corrosion and wear-resistant coating and the second anti-corrosion and wear-resistant coating are both high-molecular ceramic polymer composite coatings, and the thickness of the first anti-corrosion and wear-resistant coating and the second anti-corrosion and wear-resistant coating is 0.2-1.2 mm.
The utility model is further arranged to: the driving device comprises a PCB circuit board, a singlechip, a battery, a motor and a wireless communication module, wherein the singlechip is arranged on the PCB circuit board and is connected with the wireless communication module, the battery is connected with the PCB circuit board, the motor is connected with the singlechip, and a main shaft of the motor is fixedly connected with the upper end of the valve rod.
The utility model is further arranged to: the wireless communication module is a 3G/4G communication module or a WiFi communication module.
The beneficial effects of the utility model are as follows: compared with the prior art, the gas filter has reasonable structure, the impurity filtering device is arranged between the gas inlet and the valve cavity, the gas is filtered by the impurity filtering device and flows to the valve ball, the impurity filtering device can filter the mixed impurities in the gas before the gas contacts the valve ball, the impurity filtering effect is good, the outer surface of the valve ball is not easy to wear, and the service life is prolonged;
The first anti-corrosion and wear-resistant coating is fixedly arranged on the outer surface of the valve ball, so that the outer surface of the valve ball is good in wear resistance and corrosion resistance, and the sealing performance of the valve ball is improved; the sealing is formed between the outer surface of the bottom of the valve ball and the inner surface of the lower elastic sealing gasket, the sealing is formed between the outer surface of the top of the valve ball and the inner surface of the upper elastic sealing gasket, and the upper and lower parts of the valve ball are sealed by the elastic sealing gaskets, so that gaps are not easy to appear between the valve ball and each elastic sealing gasket, gas leakage is avoided, the sealing performance is good, and the practicability is good.
The utility model is further described below with reference to the drawings and specific examples.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is an enlarged schematic view of section I of FIG. 1;
fig. 3 is a schematic block diagram of a driving apparatus according to an embodiment of the present utility model.
Detailed Description
In the description of the present embodiment, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like are presented, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the indicated apparatus or element must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.
Referring to fig. 1, 2 and 3, the electric valve for the gas meter disclosed by the utility model comprises a valve shell 1, wherein an air inlet 11 is formed in the left end of the valve shell 1, an impurity filtering cavity 12, a valve cavity 13 and an air outlet 14 are sequentially formed in the position of the valve shell 1, which is positioned at the right end of the air inlet 11, and an impurity filtering device 2 is detachably arranged in the impurity filtering cavity 12;
A valve ball 3 is arranged in the valve cavity 13, a gas through hole 31 is formed in the middle of the valve ball 3, a first anti-corrosion and wear-resistant coating 32 is fixedly arranged on the outer surface of the valve ball 3, and a first anti-corrosion and wear-resistant coating 33 is fixedly arranged on the inner wall surface of the gas through hole 31;
a valve cover mounting hole with an upward opening is formed in the valve housing 1 right above the valve cavity, a valve cover 4 is arranged in the valve cover mounting hole, a valve rod through hole 41 is formed in the middle of the valve cover 4, a valve rod 5 is arranged in the valve rod through hole 41, the lower end of the valve rod 5 is fixedly connected with the valve ball 3, and a driving device 6 is arranged at the upper end of the valve rod 5;
The bottom of the valve ball 3 is provided with a lower elastic sealing gasket 7, and the lower end surface of the lower elastic sealing gasket 7 is adhered and fixed with the inner wall surface of the valve cavity 13; an upper elastic sealing gasket 8 is arranged at the upper end of the valve ball 3, a stainless steel positioning frame 9 is fixedly arranged on the upper end surface of the upper elastic sealing gasket 8, an arc-shaped groove is formed in the position, aligned with the valve ball 3, of the lower end surface of the valve cover 4, and the upper end surface of the stainless steel positioning frame 9 is fixedly connected with the inner wall surface of the arc-shaped groove; a seal is formed between the bottom outer surface of the valve ball 3 and the inner surface of the lower elastic packing 7, and a seal is formed between the top outer surface of the valve ball 3 and the inner surface of the upper elastic packing 8.
Preferably, an O-ring is arranged between the valve cover 4 and the valve housing 1, and the O-ring is made of silica gel or EPDM; the valve cover 4 is fixedly connected with the valve shell 1 through bolts, and the valve cover 4 and the valve shell 1 form a seal through an O-shaped sealing ring; the lower end of the valve rod 5 is fixedly connected with the valve ball 3 through threads or fixedly connected through bolts or fixedly welded; the lower elastic sealing gasket 7 and the upper elastic sealing gasket 8 are made of silica gel or EPDM, and the EPDM is a rubber material resistant to high temperature and acid and alkali corrosion and can be used in a temperature range of-40 ℃ to +150 ℃.
In order to make the structural arrangement of the present utility model more reasonable, as a preferred embodiment, the impurity filtering device 2 includes a cover plate 21, a first sealing ring 22, a stainless steel folding filter core 23, a stainless steel positioning filter screen 24 and a second sealing ring 25, wherein the right end surface of the first sealing ring 22 is fixedly connected with the left end surface of the stainless steel folding filter core 23, the right end surface of the stainless steel folding filter core 23 is fixedly connected with the left end surface of the stainless steel positioning filter screen 24, the right end surface of the stainless steel positioning filter screen 23 is fixedly connected with the left end surface of the second sealing ring 25, the upper ends of the stainless steel folding filter core 23 and the stainless steel positioning filter screen 24 are fixedly connected with the lower end surface of the cover plate 21, and the cover plate 21 and the valve housing 1 are locked and fixed by screws.
Preferably, the cover 21 is made of stainless steel, the first sealing ring 22 and the second sealing ring 25 are O-shaped sealing rings, the diameters of the central holes of the first sealing ring 22 and the second sealing ring 25 are larger than the diameter of the air inlet 11, and the first sealing ring 22 and the second sealing ring 25 are made of silica gel or EPDM. The right end face of the first sealing ring 22 is fixedly bonded with the left end face of the stainless steel folding filter element 23 through nail-free glue or other adhesives, the right end face of the stainless steel positioning filter screen 23 is fixedly bonded with the left end face of the second sealing ring 25 through nail-free glue or other adhesives, and the right end face of the stainless steel folding filter element 23 is fixedly bonded with the left end face of the stainless steel positioning filter screen 24 through screw connection or is fixedly bonded through adhesives.
A third sealing ring 26 is arranged between the cover plate 21 and the outer surface of the valve housing 1, a positioning convex ring 15 is integrally arranged at the edge position of the cover plate 21 of the valve housing 1, a sealing cover 16 is arranged on the upper end face of the positioning convex ring 15, an elastic sealing layer 161 is arranged on the lower surface of the sealing cover 16, the sealing cover 16 and the upper end face of the positioning convex ring 15 are locked and fixed through screws, and the elastic sealing layer 161 is pressed when the sealing cover 16 is locked.
Preferably, the third seal ring 26 and the elastic seal layer 161 are both made of silicone rubber or EPDM.
The first corrosion-resistant and wear-resistant coating 32 and the second corrosion-resistant and wear-resistant coating 33 are high-molecular ceramic polymer composite coatings, and the thicknesses of the first corrosion-resistant and wear-resistant coating 32 and the second corrosion-resistant and wear-resistant coating 33 are 0.2-1.2 mm.
The driving device 6 comprises a PCB (printed circuit board) 61, a single chip microcomputer 62, a battery 63, a motor 64 and a wireless communication module 65, wherein the single chip microcomputer 62 is installed on the PCB 61, the single chip microcomputer 62 is connected with the wireless communication module 65, the battery 63 is connected with the PCB 61, the motor 64 is connected with the single chip microcomputer 62, and a main shaft of the motor 64 is fixedly connected with the upper end of the valve rod 5.
Preferably, the PCB 61 is integrated with an internal circuit, the battery 43 is an existing rechargeable lithium battery or dry battery, the battery 63 is used to supply power to the single-chip microcomputer 62, the motor 64 and the wireless communication module 65, the motor 62 is a stepper motor or other micro-motors, and a bevel gear speed reducing mechanism or a worm gear speed reducing mechanism may be disposed between the spindle of the motor 64 and the upper end of the valve rod 5.
The wireless communication module 65 is a 3G/4G communication module or a WiFi communication module.
When the gas filter is in practical application, the impurity filtering device is arranged between the gas inlet and the valve cavity, the gas is filtered by the impurity filtering device and flows to the valve ball, the impurity filtering device can filter the mixed impurities in the gas before the gas contacts the valve ball, the impurity filtering effect is good, the outer surface of the valve ball is not easy to wear, and the service life is prolonged;
The first anti-corrosion and wear-resistant coating is fixedly arranged on the outer surface of the valve ball, so that the outer surface of the valve ball is good in wear resistance and corrosion resistance, and the sealing performance of the valve ball is improved; the sealing is formed between the outer surface of the bottom of the valve ball and the inner surface of the lower elastic sealing gasket, the sealing is formed between the outer surface of the top of the valve ball and the inner surface of the upper elastic sealing gasket, and the upper and lower parts of the valve ball are sealed by the elastic sealing gaskets, so that gaps are not easy to appear between the valve ball and each elastic sealing gasket, gas leakage is avoided, the structural design is reasonable, the sealing performance is good, and the practicability is good.
The foregoing embodiments are provided for further explanation of the present utility model and are not to be construed as limiting the scope of the present utility model, and some insubstantial modifications and variations of the present utility model, which are within the scope of the utility model, will be suggested to those skilled in the art in light of the foregoing teachings.
Claims (6)
1. The utility model provides an electric valve for gas table, includes valve casing (1), valve casing (1) left end is provided with air inlet (11), its characterized in that: the valve is characterized in that an impurity filtering cavity (12), a valve cavity (13) and an air outlet (14) are sequentially arranged at the right end of the air inlet (11) of the valve shell (1), and an impurity filtering device (2) is detachably arranged in the impurity filtering cavity (12);
A valve ball (3) is arranged in the valve cavity (13), a gas through hole (31) is formed in the middle of the valve ball (3), a first anti-corrosion and wear-resistant coating (32) is fixedly arranged on the outer surface of the valve ball (3), and a second anti-corrosion and wear-resistant coating (33) is fixedly arranged on the inner wall surface of the gas through hole (31);
The valve comprises a valve shell (1), a valve ball (3) and a valve cover, wherein the valve cover is arranged at the position right above the valve cavity, a valve cover (4) is arranged in the valve cover mounting hole, a valve rod through hole (41) is formed in the middle of the valve cover (4), a valve rod (5) is arranged in the valve rod through hole (41), the lower end of the valve rod (5) is fixedly connected with the valve ball (3), and a driving device (6) is arranged at the upper end of the valve rod (5);
The bottom of the valve ball (3) is provided with a lower elastic sealing gasket (7), and the lower end surface of the lower elastic sealing gasket (7) is adhered and fixed with the inner wall surface of the valve cavity (13); an upper elastic sealing gasket (8) is arranged at the upper end of the valve ball (3), a stainless steel locating frame (9) is fixedly arranged on the upper end face of the upper elastic sealing gasket (8), an arc-shaped groove is formed in the position, aligned with the valve ball (3), of the lower end face of the valve cover (4), and the upper end face of the stainless steel locating frame (9) is fixedly connected with the inner wall face of the arc-shaped groove; the bottom outer surface of the valve ball (3) and the inner surface of the lower elastic sealing gasket (7) form a seal, and the top outer surface of the valve ball (3) and the inner surface of the upper elastic sealing gasket (8) form a seal.
2. The electrically operated valve for a gas meter according to claim 1, wherein: impurity filter equipment (2) are including apron (21), first sealing washer (22), stainless steel folding filter core (23), stainless steel location filter screen (24) and second sealing washer (25), the right-hand member face of first sealing washer (22) is with the left end face fixed connection of stainless steel folding filter core (23), the right-hand member face of stainless steel folding filter core (23) and the left end face fixed connection of stainless steel location filter screen (24), the right-hand member face of stainless steel location filter screen (24) and the left end face fixed connection of second sealing washer (25), just the upper end of stainless steel folding filter core (23) and stainless steel location filter screen (24) all with the lower terminal surface fixed connection of apron (21), apron (21) are fixed through screw locking with valve casing (1).
3. The electrically operated valve for a gas meter according to claim 2, wherein: a third sealing ring (26) is arranged between the cover plate (21) and the outer surface of the valve shell (1), a positioning convex ring (15) is integrally arranged at the edge position of the cover plate (21) of the valve shell (1), a sealing cover (16) is arranged on the upper end face of the positioning convex ring (15), an elastic sealing layer (161) is arranged on the lower surface of the sealing cover (16), the sealing cover (16) is fixedly locked with the upper end face of the positioning convex ring (15) through a screw, and the elastic sealing layer (161) is tightly pressed when the sealing cover (16) is locked.
4. An electrically operated valve for a gas meter according to claim 1 or 3, wherein: the first anti-corrosion and wear-resistant coating (32) and the second anti-corrosion and wear-resistant coating (33) are high-molecular ceramic polymer composite coatings, and the thickness of the first anti-corrosion and wear-resistant coating (32) and the thickness of the second anti-corrosion and wear-resistant coating (33) are both 0.2-1.2 mm.
5. The electrically operated valve for a gas meter according to claim 4, wherein: the driving device (6) comprises a PCB (printed circuit board) (61), a singlechip (62), a battery (63), a motor (64) and a wireless communication module (65), wherein the singlechip (62) is arranged on the PCB (61), the singlechip (62) is connected with the wireless communication module (65), the battery (63) is connected with the PCB (61), the motor (64) is connected with the singlechip (62), and a main shaft of the motor (64) is fixedly connected with the upper end of the valve rod (5).
6. The electrically operated valve for a gas meter according to claim 5, wherein: the wireless communication module (65) is a 3G/4G communication module or a WiFi communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323239626.1U CN221145380U (en) | 2023-11-28 | 2023-11-28 | Electric valve for gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323239626.1U CN221145380U (en) | 2023-11-28 | 2023-11-28 | Electric valve for gas meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221145380U true CN221145380U (en) | 2024-06-14 |
Family
ID=91431255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323239626.1U Active CN221145380U (en) | 2023-11-28 | 2023-11-28 | Electric valve for gas meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221145380U (en) |
-
2023
- 2023-11-28 CN CN202323239626.1U patent/CN221145380U/en active Active
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