CN215491915U - Vertical water meter shell and valve cavity integrated flow velocity measuring device - Google Patents
Vertical water meter shell and valve cavity integrated flow velocity measuring device Download PDFInfo
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- CN215491915U CN215491915U CN202121801085.5U CN202121801085U CN215491915U CN 215491915 U CN215491915 U CN 215491915U CN 202121801085 U CN202121801085 U CN 202121801085U CN 215491915 U CN215491915 U CN 215491915U
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- water inlet
- valve cavity
- meter shell
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Abstract
The utility model discloses a flow velocity measuring device integrating a shell and a valve cavity of a vertical water meter, which relates to the technical field of flow velocity instruments and comprises a water meter shell and a valve cavity; the meter shell of the water meter and the valve cavity are integrally formed; the metering mechanism is arranged in a cavity in the middle of the meter shell of the water meter, and the cover is fixed on the upper part of the cavity; the metering mechanism comprises an impeller box and an impeller, and the upper part of the metering mechanism is also provided with a flow velocity detection part; the fluid flows into the metering mechanism cavity from the water inlet, drives the impeller to rotate and flows out from the water outlet; through die-casting technology with water gauge watchcase, valve cavity integrated into one piece, through the founding technology among the prior art, with water gauge watchcase and valve cavity separately production then carry out the structure of concatenation installation, the integrated into one piece can improve production efficiency greatly to pollute for a short time, manufacturing cost is lower, and need not the concatenation installation, sealing performance is better.
Description
Technical Field
The utility model relates to the technical field of flow rate instruments, in particular to a flow rate measuring device integrating a shell and a valve cavity of a vertical water meter.
Background
The water meter is used for measuring the water flow of a sealed pipeline and full perfusion and is transmitted to a counting mechanism through a metering mechanism to accumulate flow measurement, the water meter is generally divided into a positive displacement water meter and a speed water meter, the directions of water flow vortexes of the existing water meter metering structure are not neat and uniform, so that more turbulent flows are caused, and the counting is not accurate enough; the positioning and assembly of the impeller cover and the impeller cover are complex, and the production efficiency is low; the balance degree of the internal structure of the water meter is poor, so that the impeller is unstable in rotation, and the counting accuracy is further influenced; and the outer shell of the existing flow velocity meter is formed by a sand casting process: the dust and smoke exhaust energy consumption is large and the pollution is large; the product rejection rate is high, the defective rate is high, subsequent processing is needed, and one-step forming cannot be realized.
SUMMERY OF THE UTILITY MODEL
First, technical problem to be solved
The utility model provides a flow velocity measuring device with integrated vertical water meter shell and valve cavity aiming at the defects in the prior art, and solves the problems of poor stability, low production efficiency, complex shell structure and poor sealing performance of the existing flow velocity meter.
Second, technical scheme
In order to solve the technical problem, the utility model provides a flow velocity measuring device with an integrated vertical water meter shell and valve cavity, which comprises a device main body, a cover and a metering device, wherein the device main body is provided with a flow velocity measuring hole; the device main body (1) is integrally formed, the device main body (1) comprises a valve cavity (6) and a water meter shell (5) communicated with the valve cavity (6), and the device main body comprises a water inlet and a water outlet;
the metering device is arranged in the meter shell of the water meter, and the cover is fixed on the upper part of the cavity;
the metering device comprises a rotating main shaft and an impeller sleeved on the rotating main shaft, and the upper part of the metering device is also provided with a flow velocity detection part;
fluid flows into the water meter shell from the water inlet, drives the impeller to rotate and flows out from the water outlet.
Wherein, the water inlet is located the valve cavity lower extreme, and the delivery port is located the valve cavity upper end, and water inlet and delivery port communicate with the water gauge watchcase respectively.
Wherein, the side part of the water meter shell is also provided with a water inlet through hole and a water outlet through hole, and the water inlet through hole is communicated with the water inlet; the water outlet through hole is communicated with the water outlet, and the water inlet through hole and the water outlet through hole can be sealed through the sealing plug.
The water meter comprises a water meter shell, a flow speed detection part, an impeller box and an upper fixing frame, wherein the upper fixing frame and the impeller box are arranged in the water meter shell, the upper fixing frame is used for fixing the flow speed detection part, and the impeller box is used for fixing a metering device.
Wherein, the bottom end of the rotating main shaft is abutted with a rotating shaft sleeve positioned at the bottom of the impeller box.
The outer wall of the middle part of the impeller box is provided with a shaft shoulder, the impeller box is abutted against the inner wall of the meter shell of the water meter and is fixed in a sealing way through the shaft shoulder, the side wall of the bottom part and/or the lower part of the impeller box is provided with a water inlet flow passage, the side wall of the upper part of the impeller box is provided with a water outlet flow passage, and the inclination directions of the water inlet flow passage and the water outlet flow passage are opposite.
Wherein, a positioning shaft core is arranged in the rotating shaft sleeve.
Wherein, the outside of the water inlet channel of the impeller box is also provided with a filter cover.
Wherein, the flow velocity detection part is abutted with the upper end of the rotating main shaft.
Third, beneficial effect
Compared with the prior art, the flow velocity measuring device integrating the shell and the valve cavity of the vertical water meter integrates the valve cavity and the shell of the water meter through a die-casting process, and compared with a structure that the valve and the cavity for installing the metering device are separately formed in an installation mode through a sand casting process in the prior art, the production efficiency can be greatly improved through integrated molding, the pollution is low, the production cost is lower, splicing installation is not needed, and the sealing performance is better;
the impeller is penetrated through the rotating main shaft, so that the stability of the impeller in a rotating state can be well ensured, namely the stability and the precision of the whole device are improved, and the service life can be prolonged; through the setting of filter mantle, prevent effectively that major diameter granule or impurity from getting into in the measuring device.
Drawings
FIG. 1 is an exploded view of a vertical water meter with integrated flow rate measurement device with a housing and valve chamber according to the present invention;
FIG. 2 is a perspective view of the device body of the present invention;
FIG. 3 is an exploded view of the metering device of the present invention;
in the figure: 1 is a device main body; 2 is a cover; 3 is a metering device; 4 is a flow velocity detection part; 5 is a water meter shell; 6 is a valve cavity; 7 is a rotating main shaft; 8 is an impeller; 9 is a filter cover; 10 is a rotating shaft sleeve; 11 is a water inlet; 12 is a water outlet; 13 is a water inlet through hole; 14 is a water outlet through hole; 15 is a sealing plug; 16 is a positioning shaft core; 17 is an upper fixing frame; 18 is an impeller box; 19 is a shaft shoulder; 20 is a water inlet flow passage; 21 is a water outlet flow passage; 22 is an indication arrow; 23 is a sealing ring; and 24 is a valve.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
Example 1:
the flow rate measuring device with the integrated vertical water meter shell and valve cavity, disclosed by the embodiment of the utility model, as shown in fig. 1-3, comprises a device body 1, a cover 2 and a metering device 3; the device main body 1 is integrally formed, the device main body 1 comprises a valve cavity 6 and a water meter shell 5 communicated with the valve cavity 6, the valve cavity 6 and the water meter shell 5 are integrally formed through a die casting process, compared with a structure that a pipe fitting and a cavity for installing a metering device are separately formed through a sand casting process in the prior art, the integrated forming can greatly improve the production efficiency, the pollution is low, the production cost is lower, the splicing installation is not needed, the sealing performance is better, a cover 2 is fixed on the upper portion of the water meter shell 5, the device main body 1 comprises a water inlet 11 and a water outlet 12, particularly, the water inlet 11 is positioned at the lower end of the valve cavity 6, the water outlet 12 is positioned at the upper end of the valve cavity 6, the water inlet 11 and the water outlet 12 are respectively communicated with the water meter shell 5, and the metering device 3 is arranged in the water meter shell 5, namely, the fluid flows into the water meter shell 5 from the water inlet 11, drives the impeller 8 to rotate and flows out from the water outlet 12;
the metering device 3 comprises a rotating main shaft 7 and an impeller 8 sleeved on the rotating main shaft 7, and the upper part of the metering device 3 is also provided with a flow velocity detection part 4; an upper fixing frame 17 and an impeller box 18 are arranged in the water meter shell 5, the upper fixing frame 17 is used for fixing the flow speed detection part 4, the impeller box 18 is used for fixing the metering device 3, and a corresponding screen display device is further arranged on the flow speed detection part 4 and used for displaying.
As shown in fig. 3, the bottom end of the rotary spindle 7 abuts against the rotary sleeve 10 at the bottom of the impeller case 18, and the flow rate detection unit 4 is engaged with the upper end of the rotary spindle 7 through a gear to rotate the dial.
The outer wall of the middle part of the impeller box 18 is provided with a shaft shoulder 19, the impeller box 18 is abutted against and hermetically fixed with the inner wall of the water meter shell 5 through the shaft shoulder 19, the bottom and/or lower side wall of the impeller box 18 is provided with a water inlet channel 20, the upper side wall of the impeller box 18 is provided with a water outlet channel 21, a plurality of water inlet channels 20 and water outlet channels 21 are uniformly distributed on the side wall of the impeller box 18, the water inlet channels 20 and the water outlet channels 21 form a similar fence structure, the shaft shoulder 19 is used as a boundary between the water inlet channels 20 and the water outlet channels 21, the inclination directions of the water inlet channels 20 and the water outlet channels 21 are opposite, namely the water inlet direction is along the rotation direction of the impeller 8, and the water outlet direction is opposite to the water inlet direction.
A positioning shaft core 16 is arranged in the rotating shaft sleeve 10, and compared with the existing similar products, the concentricity is easy to deviate and the production efficiency is low due to the fact that the rotating shafts are fixed in an up-down separation mode; in this embodiment, a rotating main shaft 7 runs through the impeller 8, and the stability of the impeller 8 in a rotating state can be well guaranteed, namely the stability and the precision of the whole device are improved, so that the service life can be prolonged, and by adopting the structure of the embodiment, the production process is simpler, the production cost can be greatly saved, and the assembly and positioning are simpler and more convenient by the arrangement of the positioning shaft core 16.
The outside of the water inlet channel 20 of the impeller box 18 is also provided with a filter cover 9, large-diameter particles or impurities are prevented from entering the measuring device through the filter cover 9, the upper part of the filter cover 9 is provided with a sealing ring 23, and the sealing ring 23 is pressed against the shaft shoulder 19, so that water flow cannot flow out from the side wall.
An indication arrow 22 is also arranged on the outer wall of the valve cavity 6 and is used for displaying the water flow direction.
The valve cavity 6 is also provided with a valve 24 for controlling the on-off of the pipeline.
Example 2:
compared with embodiment 1, in this embodiment, the side of the water meter case 5 is further provided with a water inlet through hole 13 and a water outlet through hole 14, and the water inlet through hole 13 is communicated with the water inlet 11; the water outlet hole 14 is communicated with the water outlet 12, and the water inlet hole 13 and the water outlet hole 14 can be sealed by a sealing plug 15.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (9)
1. A vertical water meter shell and valve cavity integrated flow rate measuring device comprises a device main body (1), a cover (2) and a metering device (3); the method is characterized in that: the device main body (1) is integrally formed, the device main body (1) comprises a valve cavity (6) and a water meter shell (5) communicated with the valve cavity (6), and the device main body (1) comprises a water inlet (11) and a water outlet (12);
the metering device (3) is arranged in the water meter shell (5), and the cover (2) is fixed on the upper part of the water meter shell (5);
the metering device (3) comprises a rotating main shaft (7) and an impeller (8) sleeved on the rotating main shaft (7), and the upper part of the metering device (3) is also provided with a flow velocity detection part (4);
the fluid flows into the water meter shell (5) from the water inlet (11) and drives the impeller (8) to rotate and flow out from the water outlet (12).
2. The integrated flow rate measuring device of claim 1, wherein: the water inlet (11) is positioned at the lower end of the valve cavity (6), the water outlet (12) is positioned at the upper end of the valve cavity (6), and the water inlet (11) and the water outlet (12) are respectively communicated with the water meter shell (5).
3. The integrated flow rate measuring device of claim 2, wherein: a water inlet through hole (13) and a water outlet through hole (14) are formed in the side part of the water meter shell (5), and the water inlet through hole (13) is communicated with the water inlet (11); the water outlet through hole (14) is communicated with the water outlet (12), and the water inlet through hole (13) and the water outlet through hole (14) can be sealed through a sealing plug (15).
4. The integrated flow rate measuring device of claim 1, wherein: an upper fixing frame (17) and an impeller box (18) are arranged in the water meter shell (5), the upper fixing frame (17) is used for fixing the flow velocity detection part (4), and the impeller box (18) is used for fixing the metering device (3).
5. The vertical water meter of claim 4, wherein the housing and valve chamber are integral with each other, and wherein: the bottom end of the rotating main shaft (7) is abutted against a rotating shaft sleeve (10) positioned at the bottom of the impeller box (18).
6. The vertical water meter of claim 4, wherein the housing and valve chamber are integral with each other, and wherein: the impeller box is characterized in that a shaft shoulder (19) is arranged on the outer wall of the middle of the impeller box (18), the impeller box (18) is abutted against the inner wall of the water meter shell (5) through the shaft shoulder (19) and is fixed in a sealing mode, a water inlet flow channel (20) is arranged on the side wall of the bottom and/or the lower portion of the impeller box (18), a water outlet flow channel (21) is arranged on the side wall of the upper portion of the impeller box (18), and the inclination directions of the water inlet flow channel (20) and the water outlet flow channel (21) are opposite.
7. The vertical water meter of claim 5, wherein the housing and valve chamber are integral with each other, and wherein: a positioning shaft core (16) is arranged in the rotating shaft sleeve (10).
8. The integrated flow rate measuring device of claim 6, wherein: and a filter cover (9) is also arranged outside the water inlet flow passage (20) of the impeller box (18).
9. The vertical water meter of claim 4, wherein the housing and valve chamber are integral with each other, and wherein: the flow velocity detection part (4) is abutted against the upper end of the rotating main shaft (7).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120883125 | 2021-04-27 | ||
| CN2021208831259 | 2021-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215491915U true CN215491915U (en) | 2022-01-11 |
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ID=79755265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121801085.5U Active CN215491915U (en) | 2021-04-27 | 2021-08-04 | Vertical water meter shell and valve cavity integrated flow velocity measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215491915U (en) |
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2021
- 2021-08-04 CN CN202121801085.5U patent/CN215491915U/en active Active
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