CN209841107U - Auxiliary metering device of water meter - Google Patents
Auxiliary metering device of water meter Download PDFInfo
- Publication number
- CN209841107U CN209841107U CN201920700033.5U CN201920700033U CN209841107U CN 209841107 U CN209841107 U CN 209841107U CN 201920700033 U CN201920700033 U CN 201920700033U CN 209841107 U CN209841107 U CN 209841107U
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- water
- shell
- control chamber
- water inlet
- valve
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Abstract
The utility model provides a water meter auxiliary metering device, which comprises a shell, a water inlet valve mechanism and a water level judging mechanism, wherein the water inlet valve mechanism and the water level judging mechanism are arranged in the shell; the water inlet valve mechanism comprises a valve body communicated with the main water inlet and a valve cover arranged at the upper part of the valve body, and a control chamber is arranged in the valve cover; the control chamber is provided with a control chamber water outlet communicated with the inner cavity of the shell; the water level judging mechanism is used for opening the water outlet of the control chamber when the water level in the shell reaches the lowest value, the volume in the control chamber is changed in the process, so that the water inlet valve mechanism is completely opened to release water into the shell at high flow, and the water outlet of the control chamber is closed when the water level in the shell reaches the highest value. Install behind the water gauge the utility model discloses, the water that has sufficient flow is guaranteed to the principle of accessible volume control and is had the normal function of impeller in the water admission device shell inner chamber drives the water gauge to make the water gauge can normally measure.
Description
Technical Field
The utility model relates to a mechanical instrument field specifically is a water gauge auxiliary metering device.
Background
Water meters are used in various fields as an instrument for measuring the cumulative flow of water. In the process of using, the water gauge is constantly improved and optimized, derive different kinds of products, for example rotor type water gauge, intelligent IC card water gauge, wireless teletransmission water gauge etc.. These water meters have various advantages and disadvantages, and the rotary wing type water meter has advantages that other water meters do not have, is not only low in price, but also can be used for a long time in a humid environment without maintenance, and cannot influence work due to power failure. But its shortcoming is also obvious, because of its mechanical structure's characteristics cause when the discharge of water is less than minimum flow, the impeller in the water gauge because do not receive enough big water conservancy and make the impeller normal rotation, the water gauge can slow count and lead to the count inaccurate or the impeller does not rotate and lead to the water gauge to count not, has formed the error from this, causes economic loss.
Disclosure of Invention
The aforesaid to prior art exists is not enough, the utility model provides a water gauge auxiliary metering device guarantees to have sufficient water flow to make the measurement that the water gauge can be normal.
The utility model discloses a following technical scheme realizes:
an auxiliary metering device of a water meter comprises a shell, a water inlet valve mechanism and a water level judging mechanism, wherein the water inlet valve mechanism and the water level judging mechanism are arranged in the shell; the water inlet valve mechanism comprises a valve body communicated with the main water inlet and a valve cover arranged at the upper part of the valve body, and a control chamber is arranged in the valve cover; the control chamber is provided with a control chamber water outlet communicated with the inner cavity of the shell; the water level judging mechanism is used for opening the water outlet of the control chamber when the water level in the shell reaches the lowest value, the volume in the control chamber is changed in the process, so that the valve disc in the water inlet valve mechanism is lifted, the water inlet valve mechanism is completely opened, high-flow water is released to enter the shell, and the water outlet of the control chamber is closed when the water level in the shell reaches the highest value.
Furthermore, the sealing device also comprises a first upper end cover arranged on the upper part of the shell, wherein the shell is provided with an annular groove, and the first upper end cover is connected with the shell through a countersunk head screw and a sealing ring.
Furthermore, a valve seat is arranged in the valve body, a valve disc is arranged on the upper portion of the valve seat, a sealing ring is arranged between the valve seat and the valve disc, a diaphragm is arranged between the valve body and the valve cover, and a spring connected with the valve disc is arranged in the control chamber.
Furthermore, the control chamber is also provided with a control chamber water inlet, one end of the control chamber water inlet is communicated with a main water inlet pipe at the lower end of the water inlet valve mechanism, the other end of the control chamber water inlet is communicated with the inner cavity of the control chamber through a plastic conduit, and the plastic conduit is provided with a flow regulating valve.
Further, the water level judging mechanism comprises a shell, a second upper end cover arranged on the upper portion of the shell, a sliding push block, a movable slide block and a sliding column, wherein the sliding push block, the movable slide block and the sliding column are arranged in the shell, the movable slide block is arranged on the sliding column in a sliding mode, the sliding push block is arranged on the lower portion of a water outlet of the control room, the sliding push block is arranged on the inner wall of the shell in a sliding mode, openings are formed in the upper end and the lower end of the shell, water can conveniently enter the shell to provide buoyancy, and the movable slide block can drive the sliding push block to.
Furthermore, two locating parts about setting up on the slip ejector pad, the activity slider is located between two locating parts, can withstand upper portion locating part when the activity slider rebound to drive the slip ejector pad rebound and close the control room delivery port, the locating part of withstanding the lower part when the activity slider moves down because of the influence of gravity presses the slip ejector pad at the bottommost, and the control room delivery port is opened this moment.
Further, the shell of the water level judging mechanism is connected with the valve body of the water inlet valve mechanism.
The utility model has the advantages and positive effects that: since the above design is adopted, the utility model discloses simple structure, simple to operate installs this device behind the water gauge, and the principle of accessible volume change is guaranteed to have sufficient rivers and can drive impeller normal function in the water gauge to make the measurement that the water gauge can be normal.
Drawings
FIG. 1 is a longitudinal sectional view of a water inlet valve mechanism of the present invention;
fig. 2 is a longitudinal sectional view of the present invention;
FIG. 3 is a top view of the water level measuring mechanism;
fig. 4 is a transverse sectional view of the water level measuring mechanism.
In the figure: 1. a valve body; 2. a valve seat; 3. a seal ring; 4. a valve disc; 5. a membrane; 6. a spring; 7. a valve cover; 8. a control room; 9. a main water inlet; 10. a water inlet of the control room; 11. a plastic conduit; 12. a flow regulating valve; 13. a water outlet of the control room; 14. sliding the push block; 15. a first upper end cap; 16. a second upper end cap; 17. a housing; 18. a movable slide block; 19. a housing; 20. A main water outlet; 21. a traveler; 22. and a limiting member.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, an auxiliary water meter metering device includes a housing 19, a water inlet valve mechanism and a water level determining mechanism, the water inlet valve mechanism and the water level determining mechanism are disposed in the housing 19, the housing 19 has a hollow inner cavity, a first upper end cover 15 is disposed at an upper end of the housing 19, and the first upper end cover 15 is connected to the housing 19 through a countersunk screw and a sealing ring. The bottom in the shell 19 is provided with a main water inlet 9 and a water outlet 20, and a lower end water inlet pipe of the water inlet valve mechanism is connected with the main water inlet 9 of the shell. In order to increase the sealing performance of the shell of the auxiliary water meter metering device, an annular groove is formed in the shell 19 of the auxiliary water meter metering device, and the first upper end cover 15 is connected with the shell 19 through a countersunk head screw and a sealing ring, so that the sealing performance of the shell of the device can be enhanced.
The water inlet valve mechanism comprises a valve body 1, a valve seat 2 is arranged inside the valve body 1, a valve disc 4 is arranged on the upper portion of the valve seat 2, a sealing ring 3 is arranged between the valve seat 2 and the valve disc 4, a valve cover 7 is arranged on the upper portion of the valve body 1, a diaphragm 5 is arranged between the valve body 1 and the valve cover 7, a control chamber 8 is arranged in the valve cover 7, and a spring 6 connected with the valve disc 4 is arranged in the control chamber 8. The control chamber 8 is provided with a control chamber water inlet 10 and a control chamber water outlet 13, and the control chamber water outlet 13 is communicated with the inner cavity of the shell 19. One end of a water inlet 10 of the control chamber is communicated with a water inlet pipe at the lower end of the water inlet valve mechanism, the other end of the water inlet is communicated with the inner cavity of the control chamber through a plastic conduit 11, a flow regulating valve 12 is arranged on the plastic conduit 11 and plays a role in regulating the flow of water entering the control chamber 8, and a water level judging mechanism is arranged on the side of a water outlet 13 of the control chamber 8.
The water level judging mechanism comprises a shell 17, a second upper end cover 16 arranged on the upper portion of the shell 17, a sliding push block 14, a movable slide block 18 and a sliding column 21, wherein the sliding push block 14, the movable slide block 18 and the sliding column 21 are arranged in the shell 17, the sliding column 21 is vertically arranged in the shell 17, the movable slide block 18 is arranged on the sliding column 21 in a sliding mode and can slide up and down along the sliding column 21, the sliding push block 14 is arranged on the lower portion of a water outlet 13 of the control room and is arranged on the. The sliding push block 14 is provided with an upper limiting part and a lower limiting part 22, the movable sliding block 18 is located between the two limiting parts 22, and the movable sliding block 18 can prop against the upper limiting part 22 when moving upwards, so that the sliding push block 14 is driven to move upwards to close the water outlet 13 of the control room. The housing 17 is designed as shown in fig. 3, the upper and lower ends of the housing 17 are provided with openings similar to a semicircle to facilitate water entering the housing 17 to provide buoyancy, and the second upper end cover 16 and the housing 17 are fixed together by a snap fit. The housing 17 of the water level judging mechanism is connected with the valve body 1 of the water inlet valve mechanism, for example, the middle part of the valve body 1 is fixed.
The sliding push block 14 of the water level judging mechanism is used for controlling the on-off of a water outlet 13 of a control chamber in a control chamber 8 of the water inlet valve mechanism, specifically, the movable slide block 18 makes linear motion on a cylinder 21 of the water level judging mechanism through buoyancy of water, the sliding push block 14 is driven to move up and down in the motion process, the sliding push block 14 moves upwards to the water outlet 13 of the control chamber and can be closed, and the sliding push block 14 is matched with the shell 17 through a sliding groove.
The utility model discloses a working process: the existing rotor-type water meter records water flow by driving an impeller inside the water meter by water power, and if the water flow cannot provide enough water power to enable the impeller to normally operate, the water meter cannot normally count. The design prestores water in the shell 19, when water flow which is lower than the normal running of the impeller appears at a user end, the water in the shell 19 of the auxiliary device can be preferentially used until the water level of the auxiliary device is lower than the lowest water level of the water level judging device, a control mechanism (a sliding push block 14) in the auxiliary device opens a water outlet 13 of a control chamber 8 of the control chamber, and then a water inlet valve mechanism is opened to release large-flow water to enter the shell 19, so that the water flow flowing through the water meter can drive the impeller in the water meter to normally run to solve the problem.
The main water inlet 9 outside the shell 19 of the auxiliary device is connected with the pipeline behind the water meter, the main water outlet 20 leads to the user, when the water flow is too small at the user end and the impeller in the water meter can not be normally driven to normally work, the auxiliary device can preferentially call the water in the auxiliary device, when the movable slide block 18 in the water level judging mechanism judges that the water level in the shell 19 is lower than the minimum value of the water level judging device, the movable slide block 18 is positioned at the bottommost part of the water level judging mechanism due to the influence of gravity, meanwhile, the gravity of the movable slide block 18 props against the limiting part 22 at the lower part to press the sliding push block 14 at the bottommost part, at the moment, the water outlet 13 of the control chamber is opened, the water enters from the water inlet 10 of the control chamber and is released from the water outlet 13 of the control chamber to enter the shell 19, at this time, the spring 6 is elastically deformed, the water inlet valve mechanism is completely opened to release water into the housing 19 at full speed, and the water flow which can drive the impeller to work normally is used for supplementing water in the auxiliary device, so that the water meter can work normally for counting. When the user switch outside the main water outlet 20 is closed and the water level reaches the highest value of the water level of the auxiliary device, the movable sliding block 18 in the water level judging mechanism floats upwards due to the buoyancy of water, meanwhile, the sliding push block 14 is also driven to reach the top of the water level judging mechanism, the sliding push block 14 blocks the water outlet 13 of the control chamber, at the moment, the pressure of the control chamber and the pressure of the water inlet valve mechanism tend to be balanced, the spring 6 in the control chamber 8 is released, the valve disc 4 is reset, and the water inlet valve mechanism stops discharging water.
The above description is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a water gauge auxiliary metering device which characterized in that: the water meter comprises a shell (19), a water inlet valve mechanism and a water level judging mechanism, wherein the water inlet valve mechanism and the water level judging mechanism are arranged in the shell (19), a main water inlet (9) and a main water outlet (20) are arranged at the bottom of the shell (19), the main water inlet (9) is used for being connected with a pipeline behind the water meter, and the main water outlet (20) leads to a user; the water inlet valve mechanism comprises a valve body communicated with the main water inlet (9) and a valve cover (7) arranged at the upper part of the valve body (1), and a control chamber (8) is arranged in the valve cover (7); the control chamber (8) is provided with a control chamber water outlet (13) communicated with the inner cavity of the shell (19); the water level judging mechanism is used for opening the water outlet (13) of the control chamber when the water level in the shell (19) reaches the lowest value, in the process, the volume in the control chamber (8) changes to lift the valve disc in the water inlet valve mechanism, the water inlet valve mechanism is completely opened to release water into the shell (19) at a high flow rate, and the water outlet (13) of the control chamber is closed when the water level in the shell (19) reaches the highest value.
2. The water meter supplementary metering device of claim 1, wherein: the sealing device is characterized by further comprising a first upper end cover (15) arranged on the upper portion of the shell (19), an annular groove is formed in the shell (19), and the first upper end cover (15) is connected with the shell (19) through a countersunk screw and a sealing ring.
3. The water meter supplementary metering device of claim 1, wherein: the valve is characterized in that a valve seat (2) is arranged inside the valve body (1), a valve disc (4) is arranged on the upper portion of the valve seat (2), a sealing ring (3) is arranged between the valve seat (2) and the valve disc (4), a diaphragm (5) is arranged between the valve body (1) and the valve cover (7), and a spring (6) connected with the valve disc (4) is arranged in a control chamber (8).
4. The water meter supplementary metering device of claim 1, wherein: the control chamber (8) is also provided with a control chamber water inlet (10), one end of the control chamber water inlet (10) is communicated with a main water inlet pipe at the lower end of the water inlet valve mechanism, the other end of the control chamber water inlet is communicated with the inner cavity of the control chamber through a plastic conduit (11), and the plastic conduit (11) is provided with a flow regulating valve (12).
5. The water meter supplementary metering device of claim 1, wherein: the water level judging mechanism comprises a shell (17), a second upper end cover (16) arranged on the upper portion of the shell (17), a sliding push block (14) arranged in the shell (17), a movable sliding block (18), a sliding column (21), the sliding column (21) is vertically arranged in the shell (17), the movable sliding block (18) is arranged on the sliding column (21) in a sliding mode, the sliding push block (14) is arranged on the lower portion of a water outlet (13) of a control room, the sliding push block (14) is arranged on the inner wall of the shell (17) in a sliding mode, openings are formed in the upper end and the lower end of the shell (17), water can conveniently enter the shell (17) to provide buoyancy, and the movable sliding block (18) can drive the sliding push block (14) to move upwards to close the water outlet (13) when moving.
6. The water meter supplementary metering device of claim 5, wherein: two locating parts (22) about setting up on slip ejector pad (14), activity slider (18) are located between two locating parts (22), can withstand upper portion locating part (22) when activity slider (18) rebound to drive slip ejector pad (14) rebound and close control room delivery port (13), during the rebound of activity slider (18) because of the influence of gravity, withhold locating part (22) of lower part, press slip ejector pad (14) bottommost, control room delivery port (13) are opened this moment.
7. The water meter supplementary metering device of claim 5, wherein: and a shell (17) of the water level judging mechanism is connected with a valve body (1) of the water inlet valve mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920700033.5U CN209841107U (en) | 2019-05-15 | 2019-05-15 | Auxiliary metering device of water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920700033.5U CN209841107U (en) | 2019-05-15 | 2019-05-15 | Auxiliary metering device of water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209841107U true CN209841107U (en) | 2019-12-24 |
Family
ID=68897339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920700033.5U Expired - Fee Related CN209841107U (en) | 2019-05-15 | 2019-05-15 | Auxiliary metering device of water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209841107U (en) |
-
2019
- 2019-05-15 CN CN201920700033.5U patent/CN209841107U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 Termination date: 20210515 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |