Rotary wing type screw thread cold water meter

Abstract

The utility model relates to the technical field of cold water meters, in particular to a rotary wing type screw thread cold water meter which can prevent water mist generated on water meter glass from influencing reading, facilitates reading of workers and improves the working efficiency. Impurities in the water meter can be conveniently discharged, water in the water meter can be conveniently discharged when the water meter is not used for a long time in winter, and the water meter is prevented from being frozen; comprising a connecting mechanism; the device further comprises a metering mechanism, a display mechanism, a water outlet mechanism and a water drainage mechanism, the metering mechanism is installed on the connecting mechanism and used for metering water flow, the display mechanism is installed on the metering mechanism and used for displaying the flow, and the water outlet mechanism is installed on the display mechanism and used for scraping water mist. The drainage mechanism is installed on the connecting mechanism and used for draining impurities and draining stored water when the drainage mechanism is not used for a long time.

Description

Technical Field

[0001] The utility model relates to the technical field of cold water meters, in particular to a rotary wing threaded cold water meter. Background Art

[0002] The rotor type water meter is suitable for measuring the total amount of unidirectional water flow in small-diameter pipes, such as measuring household water consumption in pipes with a diameter of 15mm and 20mm. This type of water meter is mainly composed of a casing, an impeller measuring mechanism, a reduction mechanism, and an indicator, and has the characteristics of a simple structure.

[0003] Existing cold water meters, such as a rotor-type wet cold water meter disclosed in the utility model patent with application number 202021045494.2, have a main structure including a shell, a filter box is arranged inside the shell, a first groove is provided on the inner wall of the filter box, a filter plate is arranged inside the first groove, a fixing rod passes through the filter plate, a card plate is connected to the outer wall of the fixing rod, the fixing rod is buckled and connected to the card plate, a second groove is provided on the outer wall of the card plate, and a screw is arranged on the outer wall of the card plate; when in use, water first enters the outer wall from the water inlet connected to the outer wall of the shell, and then flows into the outer wall of the outer wall of the outer shell. The inside of the shell passes through the filter box, so that larger volumes of garbage impurities are retained on the outer wall of the filter box. The filtered water source passes through the filter plate, thereby filtering the water flow for secondary impurity particles. The filtered water source enters the inside of the fixed sleeve through the water inlet hole of the fixed sleeve, so that the water flow hits the impeller, thereby driving the impeller to start rotating. The water then flows from the water outlet hole on the upper part of the fixed sleeve through the water outlet of the outer shell to the internal pipe, and through the impeller central axis action rod, the upper central gear rotates, driving the transmission gear in the action rod to rotate according to the speed ratio to start metering.

[0004] However, the existing cold water meter display is easily fogged, thus affecting the reading. In addition, it is cold outside in winter, and the water flow in the water pipe is easy to freeze when not used for a long time. After freezing, the water volume increases and the water meter is frozen. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a rotor-type threaded cold water meter which can not only prevent the water mist generated on the water meter glass from affecting the reading, thus facilitating the staff to read the water, but also facilitates the discharge of impurities remaining in the water meter and the discharge of water stored in the water meter when it is not used for a long time in winter, thereby preventing the water meter from freezing.

[0006] The utility model discloses a rotary-wing threaded cold water meter, comprising a connecting mechanism; a metering mechanism, a display mechanism, a water outlet mechanism and a drainage mechanism, wherein the metering mechanism is mounted on the connecting mechanism and measures the water flow, the display mechanism is mounted on the metering mechanism and displays the flow, the water outlet mechanism is mounted on the display mechanism and scrapes off the water mist, the drainage mechanism is mounted on the connecting mechanism and discharges impurities and discharges the stored water when not in use for a long time; the connecting mechanism is connected to a pipeline, the water flows into the metering mechanism, the metering mechanism filters and measures the water volume, the display mechanism converts and displays the water volume, when water mist is generated on the glass, the staff can scrape off the water mist on the glass through the water outlet mechanism, which is convenient for observation, after long-term use, the drainage mechanism can be opened to discharge impurities in the water meter, and in winter when it is not in use for a long time, the drainage mechanism can also be opened to discharge the stored water in the water meter to prevent the water meter from freezing.

[0007] Preferably, the connecting mechanism includes a meter body, two groups of connecting pipes, two groups of water retaining strips and two groups of threaded connecting heads. A cavity is provided inside the meter body. The two groups of connecting pipes are respectively installed on the left and right sides of the meter body and are both connected to the inside of the cavity of the meter body. The two groups of connecting pipes have different heights. The two groups of water retaining strips are respectively installed on the two groups of connecting pipes, and the two groups of threaded connecting heads are respectively installed on the two groups of water retaining strips. The two groups of threaded connecting heads are connected to the pipeline, and water flows into the cavity of the meter body through the low-position connecting pipe. After the metering is completed, the water flows into the threaded connecting head connected to it through the high-position connecting pipe and is discharged.

[0008] Preferably, the metering mechanism includes a filter box, a protective box, a damping shaft, multiple sets of rotating wings, and gears. The filter box is installed in the cavity of the meter body, the protective box is installed in the cavity of the meter body and is connected to the inside of the filter box, the damping shaft is rotatably installed on the protective box, the multiple sets of rotating wings are all installed on the damping shaft, and the gears are installed on the damping shaft; the filter box separates the inside of the cavity of the meter body, the inflowing water enters the filter box, and then is transported to the protective box, the protective box drives the rotating wings to rotate for metering, the rotating wings drive the damping shaft and the gears to rotate, and then the water flows into the upper part of the cavity separation and enters the high-position connecting pipe to flow out.

[0009] Preferably, the display mechanism includes a battery pack, a dial, a connecting shaft, a reduction gear set, a counter, a display screen, a glass cover and a hood; the bottom end of the battery pack is connected to the top end of the protective box; the dial is mounted in the cavity of the watch body; the connecting shaft is rotatably mounted on the dial; the reduction gear set is mounted on the connecting shaft and is meshed with the gear for transmission; the counter is mounted on the dial and is connected to the connecting shaft for transmission; the display screen is mounted on the dial; the glass cover is mounted on the top end of the watch body; the hood is buckled on the glass cover and is threadedly connected to the top end of the watch body; the gear drives the reduction gear set to rotate, the reduction gear set drives the connecting shaft to rotate, the connecting shaft drives the counter to display the flow rate, the battery pack supplies power to the display screen and displays the flow rate; the mechanical display and electronic display facilitate the staff to observe the flow rate; the glass cover and the hood facilitate the staff to observe the counter and the display screen and prevent external moisture from entering the watch.

[0010] Preferably, the water outlet mechanism includes a rotating shaft, a knob, a sealing ring, a scraper and a water absorption box. The rotating shaft is rotatably mounted on the dial, the knob is mounted on the top of the rotating shaft, a through hole is opened on the glass cover, the sealing ring is mounted in the through hole of the glass cover, the scraper is mounted on the rotating shaft and contacts the inner surface of the glass cover, and the water absorption box is mounted on the dial; when there is water mist on the glass cover, the staff rotates the knob, the knob drives the rotating shaft and the scraper to rotate, and the scraper scrapes off the water mist on the inner surface of the glass cover. The scraper is a triangular scraper, and the water droplets on the scraper drip into the water absorption box for absorption under the action of gravity.

[0011] Preferably, the water absorption box is provided with water absorption holes on the part below the dial. By providing the water absorption holes below the dial, the water vapor between the dial and the protective box can be absorbed to prevent the water vapor from affecting the service life of the battery pack and the transmission efficiency of the reduction gear set.

[0012] Preferably, the drainage mechanism includes a base, a drain pipe, a drain valve and two groups of stop valves. The bottom end of the base is connected to the bottom of the meter body, the top end of the drain pipe is connected to the bottom of the base, the drain valve is installed on the drain pipe, and the two groups of stop valves are installed on the two groups of connecting pipes respectively. After long-term use, impurities in the meter accumulate in the base. The staff closes the stop valve at a high position and opens the stop valve and drain valve at a low position. The water flow flushes out the impurities in the base through the drain pipe. When it is not used for a long time in winter, the two groups of stop valves are closed and the drain valve is opened. The water in the cavity of the meter body is discharged through the drain pipe to prevent the water in the cavity from freezing and expanding and damaging the water meter.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the connecting mechanism is connected to the pipeline, the water flows into the metering mechanism, the metering mechanism filters and measures the water volume, the display mechanism converts and displays the water volume, when water mist is generated on the glass, the staff can scrape the water mist on the glass through the water outlet mechanism, which is convenient for observation, and after long-term use, the drainage mechanism can be opened to discharge impurities in the water meter, and when it is not used for a long time in winter, the drainage mechanism can also be opened to discharge the stored water in the water meter to prevent the water meter from freezing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a true cross-sectional structural schematic diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of the cross-sectional axonometric structure of the connection mechanism, metering mechanism, display mechanism and drainage mechanism of the utility model;

[0016] Figure 3 It is a partially enlarged cross-sectional axonometric structural schematic diagram of the display mechanism and water outlet mechanism of the utility model;

[0017] Figure 4 It is a partially enlarged structural schematic diagram of the display mechanism and the water outlet mechanism of the utility model.

[0018] Markings in the accompanying drawings: 01, connecting mechanism; 11, meter body; 12, connecting pipe; 13, water retaining strip; 14, threaded connector; 02, metering mechanism; 21, filter box; 22, protective box; 23, damping shaft; 24, rotating wing; 25, gear; 03, display mechanism; 31, battery pack; 32, dial; 33, connecting shaft; 34, reduction gear set; 35, counter meter; 36, display screen; 37, glass cover; 38, cover; 04, water removal mechanism; 41, shaft; 42, knob; 43, sealing ring; 44, scraper; 45, water absorption box; 05, drainage mechanism; 51, base; 52, sewage pipe; 53, sewage valve; 54, stop valve. DETAILED DESCRIPTION

[0019] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Example 1

[0020] The utility model discloses a rotary vane threaded cold water meter, comprising a connecting mechanism 01; further comprising a metering mechanism 02, a display mechanism 03, a water outlet mechanism 04 and a drainage mechanism 05, wherein the metering mechanism 02 is mounted on the connecting mechanism 01 and measures the water flow, the display mechanism 03 is mounted on the metering mechanism 02 to display the flow, the water outlet mechanism 04 is mounted on the display mechanism 03 and scrapes off the water mist, the drainage mechanism 05 is mounted on the connecting mechanism 01 and discharges impurities and discharges the stored water when not in use for a long time; the connecting mechanism 01 comprises a meter body 11, two groups of connecting pipes 12, two groups of water retaining strips 13 and two groups of threaded connectors 14, the meter body A cavity is provided inside the meter body 11, two groups of connecting pipes 12 are respectively installed on the left and right sides of the meter body 11 and are connected to the cavity inside the meter body 11, and the two groups of connecting pipes 12 are at different heights, two groups of water retaining strips 13 are respectively installed on the two groups of connecting pipes 12, and two groups of threaded connectors 14 are respectively installed on the two groups of water retaining strips 13; the metering mechanism 02 includes a filter box 21, a protective box 22, a damping shaft 23, multiple groups of rotating wings 24, and a gear 25. The filter box 21 is installed in the cavity of the meter body 11, the protective box 22 is installed in the cavity of the meter body 11 and is connected to the inside of the filter box 21, and the damping shaft 23 is rotatably installed in the protective box 2 2, multiple groups of rotating wings 24 are mounted on the damping shaft 23, and the gear 25 is mounted on the damping shaft 23; the display mechanism 03 includes a battery pack 31, a dial 32, a connecting shaft 33, a reduction gear set 34, a counter meter 35, a display screen 36, a glass cover 37 and a cover 38, the bottom end of the battery pack 31 is connected to the top end of the protective box 22, the dial 32 is mounted in the cavity of the watch body 11, the connecting shaft 33 is rotatably mounted on the dial 32, the reduction gear set 34 is mounted on the connecting shaft 33 and meshes with the gear 25 for transmission, the counter meter 35 is mounted on the dial 32 and is transmission-connected to the connecting shaft 33, and the display screen 36 is mounted on the watch body 11. The water outlet mechanism 04 comprises a rotating shaft 41, a knob 42, a sealing ring 43, a scraper 44 and a water absorption box 45. The rotating shaft 41 is rotatably mounted on the dial 32, the knob 42 is mounted on the top of the rotating shaft 41, a through hole is opened on the glass cover 37, the sealing ring 43 is installed in the through hole of the glass cover 37, the scraper 44 is installed on the rotating shaft 41 and contacts with the inner surface of the glass cover 37, and the water absorption box 45 is installed on the dial 32; and the water absorption box 45 also comprises a water absorption hole opened in the part below the dial 32;When it is working, first connect the two sets of threaded connectors 14 to the pipeline, and the water flows into the cavity of the meter body 11 through the low-position connecting pipe 12. The filter box 21 separates the inside of the cavity of the meter body 11, and the inflowing water enters the filter box 21, and then is transported to the protection box 22. The protection box 22 drives the rotating wing 24 to rotate and measure, and the rotating wing 24 drives the damping shaft 23 and the gear 25 to rotate, and then the water flows into the upper part separated by the cavity and enters the high-position connecting pipe 12 to flow out. After the measurement is completed, the water flows into the threaded connector 14 connected to it through the high-position connecting pipe 12 and is discharged. The gear 25 drives the reduction gear set 34 to rotate, the reduction gear set 34 drives the connecting shaft 33 to rotate, and the connecting shaft 33 drives the counter 35 to display the flow rate, and the battery pack 31 supplies power to the display screen 36 and displays the flow rate. Through mechanical and electronic displays, it is convenient for the staff to observe the flow rate. Through the glass cover 37 and the cover 38, it is convenient for the staff to observe the counter 35 and the display screen 36 and prevent the external water vapor from entering the meter. When there is water mist on the glass cover 37, the staff rotates the knob 42, and the knob 42 drives the rotating shaft 41 and the scraper 44 to rotate. The scraper 44 scrapes the water mist on the inner surface of the glass cover 37. The scraper 44 is a triangular scraper. The water droplets on the scraper 44 drip into the water absorption box 45 for absorption under the action of gravity. In addition, by opening a water absorption hole under the dial 32, the water vapor between the dial 32 and the protective box 22 can be absorbed to prevent the water vapor from affecting the service life of the battery pack 31 and the transmission efficiency of the reduction gear group 34. ; Example 2

[0021] like Figures 1 to 4As shown, a rotary vane threaded cold water meter of the utility model is based on Example 1; the drainage mechanism 05 includes a base 51, a drain pipe 52, a drain valve 53 and two groups of stop valves 54, the bottom end of the base 51 is connected to the bottom end of the meter body 11, the top of the drain pipe 52 is connected to the bottom end of the base 51, the drain valve 53 is installed on the drain pipe 52, and the two groups of stop valves 54 are respectively installed on the two groups of connecting pipes 12; when it is working, first connect the two groups of threaded connectors 14 to the pipeline, and the water flows into the cavity of the meter body 11 through the low-position connecting pipe 12, and the filter box 21 will The cavity of the meter body 11 is separated, and the inflowing water enters the filter box 21, and then is transported to the protection box 22. The protection box 22 drives the rotating wing 24 to rotate and measure, and the rotating wing 24 drives the damping shaft 23 and the gear 25 to rotate, and then the water flows into the upper part separated by the cavity and enters the high-position connecting pipe 12 to flow out. After the measurement is completed, the water flows through the high-position connecting pipe 12 and enters the threaded connector 14 connected thereto to be discharged. The gear 25 drives the reduction gear set 34 to rotate, the reduction gear set 34 drives the connecting shaft 33 to rotate, and the connecting shaft 33 drives the counter meter 35 to display the flow rate, and the battery pack 3 1 supplies power to the display screen 36 and displays the flow rate. Through mechanical display and electronic display, it is convenient for the staff to observe the flow rate. Through the glass cover 37 and the cover 38, it is convenient for the staff to observe the counter 35 and the display screen 36 and prevent the external water vapor from entering the meter. When there is water mist on the glass cover 37, the staff rotates the knob 42, and the knob 42 drives the rotating shaft 41 and the scraper 44 to rotate. The scraper 44 scrapes off the water mist on the inner surface of the glass cover 37. The scraper 44 is a triangular scraper. The water drops on the scraper 44 drip into the water absorption box 45 under the action of gravity and are absorbed. The water hole can absorb the water vapor between the dial 32 and the protective box 22 to prevent the water vapor from affecting the service life of the battery pack 31 and the transmission efficiency of the reduction gear set 34. After long-term use, the impurities in the meter are gathered in the base 51. The staff closes the stop valve 54 at a high position and opens the stop valve 54 and the drain valve 53 at a low position. The water flow flushes the impurities in the base 51 through the drain pipe 52. When it is not used for a long time in winter, the two sets of stop valves 54 are closed and the drain valve 53 is opened. The water in the cavity of the meter body 11 is discharged through the drain pipe 52 to prevent the water in the cavity from freezing and expanding to damage the water meter.

[0022] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A rotary vane threaded cold water meter, comprising a connecting mechanism (01); characterized in that: The device also comprises a metering mechanism (02), a display mechanism (03), a water outlet mechanism (04) and a drainage mechanism (05), wherein the metering mechanism (02) is mounted on the connecting mechanism (01) and measures the water flow rate, the display mechanism (03) is mounted on the metering mechanism (02) and displays the flow rate, the water outlet mechanism (04) is mounted on the display mechanism (03) and scrapes off the water mist, and the drainage mechanism (05) is mounted on the connecting mechanism (01) and discharges impurities and discharges accumulated water when not in use for a long time.

2. A rotary vane threaded cold water meter as claimed in claim 1, characterized in that: The connection mechanism (01) comprises a meter body (11), two groups of connection pipes (12), two groups of water retaining strips (13) and two groups of threaded connectors (14); a cavity is provided inside the meter body (11); the two groups of connection pipes (12) are respectively mounted on the left and right sides of the meter body (11) and are both connected to the cavity inside the meter body (11); the two groups of connection pipes (12) are at different heights; the two groups of water retaining strips (13) are respectively mounted on the two groups of connection pipes (12); and the two groups of threaded connectors (14) are respectively mounted on the two groups of water retaining strips (13).

3. A rotary vane threaded cold water meter as claimed in claim 2, characterized in that: The metering mechanism (02) comprises a filter box (21), a protection box (22), a damping rotating shaft (23), a plurality of sets of rotating wings (24), and a gear (25). The filter box (21) is mounted in a cavity of the meter body (11). The protection box (22) is mounted in the cavity of the meter body (11) and is communicated with the interior of the filter box (21). The damping rotating shaft (23) is rotatably mounted on the protection box (22). The plurality of sets of rotating wings (24) are all mounted on the damping rotating shaft (23). The gear (25) is mounted on the damping rotating shaft (23).

4. A rotary vane threaded cold water meter as claimed in claim 3, characterized in that: The display mechanism (03) comprises a battery pack (31), a dial (32), a connecting shaft (33), a reduction gear set (34), a counter meter (35), a display screen (36), a glass cover (37) and a cover (38). The bottom end of the battery pack (31) is connected to the top end of the protection box (22). The dial (32) is mounted in the cavity of the meter body (11). The connecting shaft (33) is rotatably mounted on the dial (32). The reduction gear set (34) is mounted on the connecting shaft (33) and meshes with the gear (25) for transmission. The counter meter (35) is mounted on the dial (32) and is transmission-connected to the connecting shaft (33). The display screen (36) is mounted on the dial (32). The glass cover (37) is mounted on the top end of the meter body (11). The cover (38) is buckled on the glass cover (37) and is threadedly connected to the top end of the meter body (11).

5. A rotary vane threaded cold water meter as claimed in claim 4, characterized in that: The water outlet mechanism (04) comprises a rotating shaft (41), a knob (42), a sealing ring (43), a scraper (44) and a water absorption box (45). The rotating shaft (41) is rotatably mounted on the dial (32), the knob (42) is mounted on the top of the rotating shaft (41), a through hole is opened on the glass cover (37), the sealing ring (43) is mounted in the through hole of the glass cover (37), the scraper (44) is mounted on the rotating shaft (41) and contacts the inner surface of the glass cover (37), and the water absorption box (45) is mounted on the dial (32).

6. A rotary vane threaded cold water meter as claimed in claim 5, characterized in that: The water absorption box (45) is also provided with a water absorption hole at a portion located below the dial (32).

7. A rotary vane threaded cold water meter as claimed in claim 2, characterized in that: The drainage mechanism (05) comprises a base (51), a drainage pipe (52), a drainage valve (53) and two sets of stop valves (54); the bottom end of the base (51) is connected to the inside of the bottom end of the meter body (11); the top end of the drainage pipe (52) is connected to the inside of the bottom end of the base (51); the drainage valve (53) is installed on the drainage pipe (52); and the two sets of stop valves (54) are respectively installed on the two sets of connecting pipes (12).

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