CN219774855U - Gas supply control valve of gas meter - Google Patents
Gas supply control valve of gas meter Download PDFInfo
- Publication number
- CN219774855U CN219774855U CN202320669870.2U CN202320669870U CN219774855U CN 219774855 U CN219774855 U CN 219774855U CN 202320669870 U CN202320669870 U CN 202320669870U CN 219774855 U CN219774855 U CN 219774855U
- Authority
- CN
- China
- Prior art keywords
- ball
- valve body
- ball frame
- gas
- magnetic ring
- 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.)
- Active
Links
- 239000007789 gas Substances 0.000 claims abstract description 57
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 239000002737 fuel gas Substances 0.000 claims abstract description 7
- 238000006073 displacement reaction Methods 0.000 claims abstract description 4
- 239000003638 chemical reducing agent Substances 0.000 claims description 29
- 238000002955 isolation Methods 0.000 claims description 10
- 230000003993 interaction Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The utility model discloses a gas supply control valve of a gas meter, which comprises a valve body, wherein a rotatable ball frame is movably connected in the valve body, the axis of the ball frame is vertical to the entering direction of gas, and one side of the ball frame rotating the ball frame is of a plane structure; one end of the spherical frame, which is a plane, is elastically connected with a hemispherical spherical bowl, one side spherical surface of the spherical bowl is attached to the sealing port of the inner cavity of the valve body, the displacement direction of the spherical bowl is the same as or opposite to the entering direction of fuel gas, and a gap is reserved between the spherical bowl and the spherical frame; a driver component is fixed on the valve body and connected with the ball frame, and the driver component drives the ball frame to rotate. Through the tight fit of the ball bowl and the sealing ring under the interaction, the trouble that the traditional ball valve is not tight in sealing, air leakage or too tight in sealing, large in friction force and small in power and cannot be opened is solved.
Description
Technical Field
The utility model belongs to the technical field of gas control, and relates to a gas supply control valve of a gas meter.
Background
The gas meter has a very important location, which is one of the core devices of the gas appliance. The gas meter is mainly used for controlling the inlet and the outlet of gas, ensuring the safe, economical and efficient operation of the gas appliance, and the most important part in the gas meter is a gas feeding control valve for controlling the inlet of gas.
The fuel gas instrument control valve in the market at present mainly comprises a piston valve and a ball valve; the piston type valve comprises a valve body, a valve cover and a motor, a transmission assembly (see figure 4) is formed by a screw nut connected with the motor, and the working process is that the motor drives a sealing cover to linearly reciprocate in a valve cavity through a screw, so that the problems that the valve is large in pressure loss, the motor is easy to pollute and damage, the motor is unsafe to charge in fuel gas and the like can occur. In the ball valve type valve, the process of quickly closing and slowly opening ball valve is relatively complex, the cost is high, the valve closing time is long, and the power consumption is high; float ball valves can only be used in low pressure small bore pipes. Therefore, aiming at the problems of large pressure loss, easy pollution, high cost, limited pressure of a pipeline and the like of the existing gas supply control valve, the gas supply control valve for realizing high efficiency, safety, durability and low cost is imperative.
Disclosure of Invention
The utility model aims to provide a gas supply control valve of a gas meter, which can realize high efficiency, safety, durability and low cost and can greatly improve the monitoring and control capability of the gas meter.
The technical scheme adopted by the utility model is that the gas supply control valve of the gas meter comprises a valve body, wherein a rotatable ball frame is movably connected in the valve body, the axis of the ball frame is vertical to the entering direction of gas, and one side of the ball frame rotating the ball frame is of a plane structure; one end of the spherical frame, which is a plane, is elastically connected with a hemispherical spherical bowl, one side spherical surface of the spherical bowl is attached to a sealing port of the inner cavity of the valve body, the displacement direction of the spherical bowl is the same as or opposite to the entering direction of fuel gas, and a gap is reserved between the spherical bowl and the spherical frame; a driver component is fixed on the valve body and connected with the ball frame, and the driver component drives the ball frame to rotate.
The utility model is also characterized in that:
the two ends of the ball frame are respectively fixedly connected with a supporting shaft, wherein a first positioning bearing is fixedly connected to the supporting shaft at one end of the ball frame, a second positioning bearing is fixedly connected to the supporting shaft at the other end of the ball frame, and the first positioning bearing and the second positioning bearing are fixed on the inner wall of the valve body.
The driver component comprises a motor fixed on the valve body, a first-stage speed reducer is connected to an output shaft of the motor, a first magnetic ring is arranged below an output end of the first-stage speed reducer, a second magnetic ring is arranged below the first magnetic ring relatively, a second-stage speed reducer is fixed below the second magnetic ring, and the second-stage speed reducer is fixed with the first positioning bearing; the motor, the primary speed reducer and the first magnetic ring are all positioned on the surface of the valve body, and the second magnetic ring and the secondary speed reducer are positioned inside the valve body.
The distance between the first magnetic ring and the second magnetic ring is 1.5-2.5 mm.
The second magnetic ring and the outside of the second speed reducer are provided with isolation covers, the first magnetic ring is fixed on the outer wall of the isolation covers, and the second magnetic ring is fixed on the inner wall of the isolation covers.
One end of the ball frame, which is planar, is provided with at least 1 opening, a screw is arranged on the opening, a spring is sleeved on the screw, and the ball frame is connected with a ball bowl through the screw.
The screw is provided with a locating sleeve, and the locating sleeve is wrapped with a spring.
The ball frame is provided with 3 open holes which are uniformly arranged.
And a sealing ring is arranged at the inner cavity of the valve body contacted with the ball bowl.
The sealing ring is a strip sealing ring.
Compared with the prior art, the utility model has the beneficial effects that: under the drive of direct current 4.5V-5V voltage, the valve is smoothly opened and idled under the pressure of the medium-high pressure pipeline, and works normally, thereby bringing practical convenience to the air supply side and the user. The ball bowl rotates under the effect of ball frame, when the sphere of ball bowl and valve body upper seal contact, along with the rotation of ball bowl, the sealing washer frictional force on sphere and the spheroid increases, the spring will automatically regulated is toward retrieving, make frictional force maintain relative balance, the ball bowl overcomes the frictional force with the sealing washer on the valve body smoothly, reach rotatory position, ball bowl and sealing washer closely cooperate under the interact, when the valve is opened, the ball bowl receives the gas pressure, have a part pressure to be born by ball frame first positioning bearing and second positioning bearing, reduce the frictional force of ball bowl and sealing washer, can increase the valve speed, reduce driving power. The ball bowl and the ball frame can be distributed by adjusting the gap between the ball bowl and the ball frame. Therefore, the trouble that the traditional ball valve is not tight in sealing, air leakage or too tight in sealing, large in friction force and small in power and cannot be opened is solved.
Drawings
FIG. 1 is a schematic view of the structure of a gas supply control valve of a gas meter of the present utility model;
FIG. 2 is an AA view of FIG. 1;
FIG. 3 is a sectional view showing the internal structure of a gas supply control valve of the gas meter of the present utility model;
fig. 4 is a schematic diagram of a prior art valve.
In the figure, the valve body 1, the ball frame 2, the ball bowl 3, the locating sleeve 4, the spring 5, the screw 6, the first locating bearing 7, the second locating bearing 8, the sealing ring 9, the driver component 10, the isolation cover 11, the motor 12, the first-stage reducer 13, the second-stage reducer 14, the first magnetic ring 15 and the second magnetic ring 16.
Detailed Description
The utility model will be described in detail below with reference to the drawings and the detailed description.
As shown in fig. 1, the gas supply control valve of the gas meter comprises a cylindrical valve body 1, wherein a ball frame 2 matched with the inner cavity of the valve body 1 is arranged in the valve body 1, support rods are arranged at the upper end and the lower end of the ball frame 2, a first positioning bearing 7 is fixed on the support rod above the ball frame 2, a second positioning bearing 8 is fixed on the support rod below the ball frame 2, and the first positioning bearing 7 and the second positioning bearing 8 are fixedly connected with the valve body 1. One side of the ball frame 2 is connected with a ball bowl 3, the axis of the ball frame 2 is vertical to the entering direction of the fuel gas, and one side of the ball frame 2 which rotates the ball frame 2 is of a plane structure; the ball bowl 3 is hemispherical, one side spherical surface of the ball bowl 3 is attached to the inner cavity sealing port of the valve body 1, and the displacement direction of the ball bowl 3 is the same as or opposite to the entering direction of the fuel gas
A positioning sleeve 4 and a spring 5 are arranged between the ball frame 2 and the ball bowl 3, and the ball frame 2, the ball bowl 3, the positioning sleeve 4 and the spring 5 are connected through a screw 6 to form a special ball. The sealing ring 9 is inlaid at the inner sealing opening of the valve body 1. The valve body 1 is fixedly provided with a driver component 10, the driver component 10 is connected with the ball frame 2, and the driver component 10 drives the ball frame 2 to rotate.
As shown in fig. 2, the driver assembly 10 is composed of a motor 12, a primary speed reducer 13, a first magnetic ring 15, a secondary speed reducer 14 and a second magnetic ring 16.
Specifically, the first magnetic ring 15 and the second magnetic ring 16 are respectively arranged on the first-stage speed reducer 13 and the second-stage speed reducer 14, the motor 12 and the first-stage speed reducer 13, and the first magnetic ring 15 is positioned outside the isolation cover 11 on the valve body 1, and the second magnetic ring 16 and the second-stage speed reducer 14 are positioned inside the isolation cover 11 on the valve body 1. The distance between the first magnetic ring 15 and the second magnetic ring 16 is 1.5-2.5 mm, and the two interact to transmit power. When the secondary speed reducer 14 rotates in place, the primary speed reducer 13 continues to rotate, the first magnetic ring 15 and the second magnetic ring 16 are in a magnetic slip state, the current of the motor 12 is always controlled to be 120 mA-240 mA, the consumption of batteries due to overlarge braking current is greatly reduced, the braking current of a general valve motor is 400 mA-700 mA, and the service life of the batteries is effectively prolonged.
As shown in fig. 3, a positioning sleeve 4 and a spring 5 are arranged between the ball frame 2 and the ball bowl 3, in this embodiment, 3 holes are formed in the ball frame, 3 screws 6 are correspondingly arranged for fastening the ball frame 2 and the ball bowl 3, the positioning sleeve 4 in the middle positions the set distance between the ball frame 2 and the ball bowl 3, the spring 5 is sleeved on the positioning sleeve 4, when the ball bowl 3 rotates to meet resistance, the spring 5 is compressed, and the ball is similar to a universal ball, has an automatic alignment function, and is easier to seal.
The sealing port of the inner cavity of the valve body 1 is embedded with a strip-shaped sealing ring 9, so that the problem of infirm embedding of the sealing ring is well solved.
The working principle of the valve of the utility model is as follows: after the motor 12 is electrified, the output shaft starts to move, power is transmitted to the second magnetic ring 16 in the isolation cover 11 to the second speed reducer 14 through the first magnetic ring 15 below the first speed reducer 13, the second speed reducer 14 transmits low-rotation-speed torque to the connecting shaft at the top of the ball frame 2, and the ball frame 2 is driven to rotate through the upper and lower first positioning bearings 7 and the second positioning bearings 8, so that the ball bowl 3 is linked with the ball frame 2.
When the ball frame 2 drives the ball bowl 3 to open the valve, a part of the pressure of the gas borne by the ball bowl 3 is borne by the first positioning bearing 7 and the second positioning bearing 8 of the ball frame 2, so that the friction force between the ball bowl 3 and the sealing ring 9 is reduced, the valve opening speed can be increased, and the driving power is reduced. The ball bowl and the ball frame can be distributed by adjusting the gap between the ball bowl and the ball frame.
When the valve is opened or closed in place, the secondary speed reducer 14 is in a braking state, the primary speed reducer 13 continues to rotate, the first magnetic ring 15 and the second magnetic ring 16 form a magnetic slip state, the motor 12 slips at the moment, the current is 100 mA-220 mA (the magnetic intensity of different magnetic rings in different types) and is 3-5 seconds, the motor 12 is powered off, the valve opening or closing work is completed, the motor is prevented from being damaged due to overlarge current, the electric quantity is effectively saved, and the service life of the battery is longer.
The valve can realize the opening angle of the traditional manual valve to control the gas flow, and can be opened or closed by 1/3, 1/2 and 2/3 by applying different power-on time. The flow restriction is a difficult problem which puzzles the air supply party in recent years, and people need to switch a manual valve on site to achieve the purpose in the past, but the valve can be completed through remote transmission operation of the Internet of things, and other valves are difficult to realize.
The valve is a small-power-driven large carrier, and meanwhile, the current is limited to be about 200mA, the brake current of the valve is generally 400 mA-700 mA, the defect of overlarge brake current and power consumption of a gear motor is greatly reduced, time and electricity are saved, and the service life of a battery is effectively prolonged.
The ball has small resistance and can be ignored.
The gas supply control valve of the intelligent gas meter is relatively simple in overall structure, safe, reliable and low in cost, and is an ideal gas supply control valve of the intelligent gas meter.
The valve can meet the requirements of the gas meter in the market on safety, durability, low cost, high-precision monitoring and the like. Experiments show that the valve has higher bearing capacity, stable gas flow rate, strong trafficability, long service life and durability under stronger pressure, and can play an important role in the development of the gas instrument industry.
Claims (8)
1. The gas supply control valve of the gas meter is characterized by comprising a valve body (1), wherein a rotatable ball frame (2) is movably connected in the valve body (1), the axis of the ball frame (2) is perpendicular to the entering direction of gas, and one side of the ball frame (2) which rotates is of a plane structure; one end of the spherical frame (2) which is in a plane is elastically connected with a hemispherical spherical bowl (3), one side spherical surface of the spherical bowl (3) is attached to the sealing port of the inner cavity of the valve body (1), the displacement direction of the spherical bowl (3) is the same as or opposite to the entering direction of fuel gas, and a gap is reserved between the spherical bowl (3) and the spherical frame (2); a driver component (10) is fixed on the valve body (1), the driver component (10) is connected with the ball frame (2), and the driver component (10) drives the ball frame (2) to rotate;
the two ends of the ball frame (2) are respectively and fixedly connected with a supporting shaft, wherein a first positioning bearing (7) is fixedly connected to the supporting shaft at one end of the ball frame (2), a second positioning bearing (8) is fixedly connected to the supporting shaft at the other end of the ball frame (2), and the first positioning bearing (7) and the second positioning bearing (8) are fixed on the inner wall of the valve body (1);
the driver assembly (10) comprises a motor (12) fixed on the valve body (1), a first-stage speed reducer (13) is connected to an output shaft of the motor (12), a first magnetic ring (15) is arranged below an output end of the first-stage speed reducer (13), a second magnetic ring (16) is oppositely arranged below the first magnetic ring (15), a second-stage speed reducer (14) is fixed below the second magnetic ring (16), and the second-stage speed reducer (14) is fixed with the first positioning bearing (7); the motor (12), the primary speed reducer (13) and the first magnetic ring (15) are all positioned on the surface of the valve body (1), and the second magnetic ring (16) and the secondary speed reducer (14) are positioned inside the valve body (1).
2. A gas meter gas feed control valve according to claim 1, characterized in that the distance between the first magnetic ring (15) and the second magnetic ring (16) is 1.5-2.5 mm.
3. The gas supply control valve of a gas meter according to claim 1, wherein the second magnetic ring (16) and the secondary speed reducer (14) are provided with an isolation cover (11) outside, the first magnetic ring (15) is fixed on the outer wall of the isolation cover (11), and the second magnetic ring (16) is fixed on the inner wall of the isolation cover (11).
4. The gas supply control valve of the gas meter according to claim 1, wherein one end of the ball frame (2) with a plane is provided with at least 1 opening, a screw (6) is arranged on the opening, a spring (5) is sleeved on the screw (6), and the ball frame (2) is connected with the ball bowl (3) through the screw (6).
5. The gas supply control valve of a gas meter according to claim 4, wherein a positioning sleeve (4) is arranged on the screw (6), and a spring (5) is wrapped on the positioning sleeve (4).
6. The gas supply control valve of a gas meter according to claim 1 or 5, wherein the ball frame (2) is provided with 3 openings, and the openings are uniformly arranged.
7. The gas supply control valve of a gas meter according to claim 1, characterized in that a sealing ring (9) is arranged at the inner cavity of the valve body (1) contacting with the ball bowl (3).
8. A gas meter gas feed control valve according to claim 7, characterized in that the sealing ring (9) is a band-shaped sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320669870.2U CN219774855U (en) | 2023-03-30 | 2023-03-30 | Gas supply control valve of gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320669870.2U CN219774855U (en) | 2023-03-30 | 2023-03-30 | Gas supply control valve of gas meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219774855U true CN219774855U (en) | 2023-09-29 |
Family
ID=88129426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320669870.2U Active CN219774855U (en) | 2023-03-30 | 2023-03-30 | Gas supply control valve of gas meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219774855U (en) |
-
2023
- 2023-03-30 CN CN202320669870.2U patent/CN219774855U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203809818U (en) | Electrically operated valve | |
| CN205446869U (en) | Motorised valve and valve -stem nut thereof | |
| CN219774855U (en) | Gas supply control valve of gas meter | |
| CN106763813B (en) | Electric stop valve with position indication | |
| CN201496644U (en) | Gas smart switch | |
| CN204099688U (en) | A kind of seal arrangement exempts to wash away electric-control stop valve | |
| CN110131437B (en) | Metal sealing floating ball valve | |
| CN114635999A (en) | Floating valve seat type ball valve driven by cam | |
| CN2391062Y (en) | Fixed ball valve | |
| CN2295092Y (en) | Water-pressure linkage gas electromagnetic valve | |
| CN201954031U (en) | High-pressure check valve | |
| CN212318836U (en) | Small-caliber multi-mode opening and closing valve | |
| CN220227899U (en) | Composite shaft sleeve type ball valve | |
| CN217029954U (en) | Electric valve with two-step opening structure | |
| CN220668456U (en) | Micro-torque floating valve seat soft sealing ball valve | |
| CN2290742Y (en) | Three-way stop valve | |
| CN2314190Y (en) | Magnetic driving ball valve | |
| CN220688141U (en) | Pressure reducing stop valve | |
| CN220980160U (en) | Electromagnetic clutch | |
| CN112253783B (en) | Pump-controlled motor-driven large-caliber fixed ball valve | |
| CN215334552U (en) | Driving mechanism valve rod | |
| CN220320432U (en) | Ball valve for industrial gas meter | |
| CN215445140U (en) | Upper-mounted eccentric half-ball valve with regulating press ring on valve seat | |
| CN211082861U (en) | Novel stop valve | |
| CN218761478U (en) | High-sealing butterfly valve for hydrogen fuel cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |