CN113432663A - Impeller-free water meter with self-cleaning function - Google Patents
Impeller-free water meter with self-cleaning function Download PDFInfo
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- CN113432663A CN113432663A CN202110709580.1A CN202110709580A CN113432663A CN 113432663 A CN113432663 A CN 113432663A CN 202110709580 A CN202110709580 A CN 202110709580A CN 113432663 A CN113432663 A CN 113432663A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/12—Cleaning arrangements; Filters
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Abstract
The invention relates to a non-impeller water meter with a self-cleaning function, which comprises a meter head, wherein the meter head is fixedly connected with a shell, a cavity is arranged in the shell, the front end and the rear end of the cavity are semicircular, the middle of the cavity is rectangular, the front end and the rear end of the shell are respectively provided with a water inlet pipe and a water outlet pipe which are communicated with the cavity, the axis of the water outlet pipe is positioned below the axis of the water inlet pipe, and the water outlet pipe is communicated with the lower half part of the cavity in the shell. The inside annular synchronous area that is equipped with of casing, the inside both ends of first synchronous area are rotated respectively and are equipped with roller and sleeve pipe, and the one end of roller center pin is worn to establish to the outside and gauge outfit input fixed connection of casing. The first synchronous belt is fixed with a plurality of water baffles on the outer side end face, the distance between two adjacent water baffles is the same, and three end faces of the water baffles positioned below the first synchronous belt are respectively contacted with the inner walls of two sides of the shell and the bottom face. The water body of the invention is not contacted with the roller which drives the gauge outfit to measure, thus the roller jam is not influenced and the measuring precision is improved.
Description
Technical Field
The invention belongs to the technical field of metering equipment, and particularly relates to a non-impeller water meter with a self-cleaning function.
Background
The water meter is a common tool in water quantity metering and is required to be used in production and life. However, the main structure of the existing water meter is mostly an impeller, and water flow drives the impeller to rotate, and then the water consumption is measured. However, the water quality is uniformly distributed in all areas, the water treatment modes for different purposes are different, and the industrial water is utilized and sometimes does not need to be treated to the extent of drinking water. Therefore, the water contains certain impurities, the impeller is adopted for metering, the water body is contacted with the impeller and the rotating shaft, the water body is easily gathered on the surface of the impeller blade to form a mucous membrane, and the impurities are gathered at the rotating shaft, so that the impeller is jammed, and the metering precision is further influenced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the invention overcomes the defects of the prior art and provides the impeller-free water meter with the self-cleaning function.
The technical scheme adopted by the invention for solving the problems in the prior art is as follows:
the impeller-free water meter with the self-cleaning function comprises a meter head, wherein the meter head is fixedly connected with a shell, a cavity is arranged in the shell, the front end and the rear end of the cavity are semicircular, the middle of the cavity is rectangular, a water inlet pipe and a water outlet pipe which are communicated with the cavity are respectively arranged at the front end and the rear end of the shell, the axis of the water outlet pipe is positioned below the axis of the water inlet pipe, and the water outlet pipe is communicated with the lower half part of the cavity in the shell.
The inside annular synchronous area that is equipped with of casing, the inside both ends of first synchronous area are rotated respectively and are equipped with roller and sleeve pipe, and the one end of roller center pin is worn to establish to the outside and gauge outfit input fixed connection of casing.
The first synchronous belt is fixed with a plurality of water baffles on the outer side end face, the distance between two adjacent water baffles is the same, and three end faces of the water baffles positioned below the first synchronous belt are respectively contacted with the inner walls of two sides of the shell and the bottom face.
Preferably, the inner walls of the two sides of the cavity in the shell are respectively provided with an annular sliding groove in a concave mode.
The terminal both sides terminal surface of breakwater is all protruding to be equipped with the slide bar, and the slide bar slides and sets up inside the spout.
Preferably, the generator and the electric control box are fixed outside the shell, and the roller or the sleeve drives the input shaft of the generator to rotate.
The generator is electrically connected with the electric control box.
Preferably, the electric control box is internally provided with a charging module and a storage battery which are electrically connected with each other.
Preferably, a heating device is embedded in the inner wall of the shell above the first synchronous belt.
Preferably, the inner walls of the two sides of the shell are respectively convexly provided with a supporting column, and the two supporting columns are oppositely arranged.
The two sides of the sleeve are respectively sleeved outside the two support columns, and the center of the inner wall of the sleeve is provided with a gear ring.
An output shaft is coaxially arranged in the center of the sleeve, and one end of the output shaft penetrates through the outer part of the shell and is fixedly connected with the input shaft of the generator.
The output shaft is sleeved with a driven gear, a middle gear is arranged inside the sleeve, and two ends of a central shaft of the middle gear are respectively inserted into the end faces of the two support columns.
The intermediate gear is respectively meshed with the gear ring and the driven gear, the gear ring tooth number is greater than the intermediate gear tooth number, and the intermediate gear tooth number is greater than the driven gear tooth number.
Preferably, the top surface of the shell is upwards concavely provided with a rotating groove, and a striking device is arranged in the rotating groove.
The one end that the output shaft deviates from the generator is passed and is set up the casing outside, and is fixed with first belt pulley, and first belt pulley passes through the second hold-in range and drives to hit and beat the device and rotate.
Preferably, the striking device comprises a rotating shaft arranged inside the rotating groove.
The two ends of the rotating shaft are inserted into the inner walls of the two sides of the rotating groove, one end of the rotating shaft penetrates through the outer portion of the shell and is fixedly connected with a second belt pulley, and a second synchronous belt is sleeved between the second belt pulley and the first belt pulley.
The circumferential surface of the rotating shaft is fixed with a plurality of rubber ropes, the tail end of each rubber rope is fixed with a hitting ball, and the distance from the hitting ball to the axis of the rotating shaft is smaller than the distance from the axis of the rotating shaft to the top surface of the rotating groove.
Preferably, the first belt pulley, the second belt pulley and the second synchronous belt are covered with a protective cover.
The working method of the water meter comprises the following steps:
A. the water flow enters from the water inlet pipe and then flows into the area below the first synchronous belt, the water baffle is pushed to move towards the direction of the water outlet pipe, so that the first synchronous belt drives the roller to rotate, the central shaft of the roller is fixedly connected with the input shaft of the gauge head, and therefore the roller rotates to drive the gauge head to count and measure the water consumption;
B. the water flow always flows below the first synchronous belt and cannot flow into an area above the first synchronous belt, the area above the first synchronous belt is a drying area, the heating device heats the water baffle inside the drying area to dry mucous membranes formed on the surface of the water baffle, when water is used, the water flow pushes the first synchronous belt to rotate again, the dried water baffle rotates to the water inlet pipe, and the water flow blows off the dried mucous membranes above the water baffle, so that the surface of the water baffle is clean;
C. the output shaft drives the input shaft of the generator to rotate so as to generate electricity, the electricity is rectified by a charging module in the electric control box and then stored in the storage battery, and the storage battery supplies power for the heating device;
D. the output shaft drives the rotating shaft to rotate through the second synchronous belt, the rotating shaft drives the rubber rope and the striking ball to rotate, and in the moving process of the first synchronous belt, the striking ball rotates to strike the water baffle plate, so that dry mucous membrane on the water baffle plate is vibrated.
Compared with the prior art, the invention has the following beneficial effects:
(1) water flows through the lower part of the first synchronous belt and does not contact with the roller driving the meter head to measure, so that impurities cannot be clamped into the rotating part of the roller, the rotation is kept smooth all the time, and the measuring precision is further ensured.
(2) The water flow drives the roller to rotate by pushing the water baffle plate, so that the flow channel of water in the shell is in a straight state, and the fluid resistance is reduced.
(3) The drying area is arranged above the first synchronous belt, the water baffle which is moved to the inside of the drying area is heated and dried, so that mucous membranes formed on the surfaces of the water baffle are dried, and after the water baffle enters water for the second time, the dried mucous membranes can be washed clean, and bacteria are prevented from breeding on the surfaces of the mucous membranes.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Figure 1 is a first external view of the impeller-less water meter with self-cleaning function of the present invention,
figure 2 is a front view of the impeller-less water meter with self-cleaning features of the present invention,
figure 3 is a second external view of the impeller-less water meter with self-cleaning function of the present invention,
figure 4 is an exploded view of the protective cover of the impeller-free water meter with self-cleaning function according to the present invention,
figure 5 is a diagram illustrating the explosion effect of the impeller-free water meter with self-cleaning function according to the present invention,
figure 6 is a central cross-sectional view of the impeller-free water meter with self-cleaning function of the present invention in the direction of water flow,
figure 7 is an enlarged view of a portion of figure 6 at a,
figure 8 is a widthwise central cross-sectional view of the impeller-less water meter with a self-cleaning function of the present invention,
figure 9 is an enlarged view of a portion of figure 8 at B,
figure 10 is a cross-sectional view of the striking device of the present invention for a non-impeller water meter with self-cleaning function,
figure 11 is a cross-sectional view of the runner-less water meter of the present invention with a self-cleaning feature,
fig. 12 is a partial enlarged view of fig. 11 at C.
In the figure: 1-shell, 101-water inlet pipe, 102-water outlet pipe, 103-sliding chute, 104-supporting column, 105-rotating chute, 106-liquid area, 107-drying area, 2-first synchronous belt, 201-water baffle, 202-sliding rod, 3-roller, 4-sleeve 401-gear ring, 5-output shaft, 501-driven gear, 502-first belt pulley, 6-intermediate gear, 7-rotating shaft, 701-rubber rope, 702-batting ball, 703-second belt pulley, 8-second synchronous belt, 9-protective cover, 10-gauge outfit, 11-generator, 12-electric control box and 13-heating device.
Detailed Description
The attached drawings are preferred embodiments of the impeller-free water meter with the self-cleaning function, and the invention is further described in detail with reference to the attached drawings.
Referring to fig. 1 and 5, the impeller-free water meter with a self-cleaning function includes a meter head 10, and the meter head 10 is a conventional meter head, and may be a mechanical meter head or an electronic meter head with a remote transmission function.
The gauge outfit 10 is fixedly connected with the shell 1 through bolts, a cavity is arranged in the shell 1, the front end and the rear end of the cavity are semicircular, and the middle of the cavity is rectangular. The first synchronous belt 2 is arranged in the middle of the cavity, the area of the cavity above the first synchronous belt 2 is a dry area 107, and the area of the cavity below the first synchronous belt 2 is a liquid area 106.
The front end and the rear end of the shell 1 are respectively provided with a water inlet pipe 101 and a water outlet pipe 101 which are communicated with the cavity, and the axis of the water outlet pipe 102 is positioned below the axis of the water inlet pipe 101. As shown in the attached figure 2, the through connection end between the water inlet pipe 101 and the inside of the casing 1 is an arc-shaped pipe, so that the center position of the through connection end between the water inlet pipe 101 and the casing 1 is located on the axis of the straight pipe of the water inlet pipe 101.
As shown in fig. 6, the outlet pipe 102 is connected to the lower half of the cavity inside the housing 1, i.e. the liquid area 106, and the through connection port of the inlet pipe 101 and the housing 1 is not higher than the center of the housing 1.
An annular first synchronous belt 2 is arranged inside the shell 1, a roller 3 and a sleeve 4 are respectively arranged at two ends inside the first synchronous belt 2 in a rotating mode, and the roller 3 and the sleeve 4 support and tighten the first synchronous belt 2. One end of the central shaft of the roller 3 penetrates through the outer part of the shell 1 and is fixedly connected with the input end of the gauge outfit 10, and the other end penetrates through the inner wall of the shell 1.
A plurality of water baffles 201 are fixed on the end face of the outer side of the first synchronous belt 2, the distance between two adjacent water baffles 201 is the same, and the water baffles 201 and the first synchronous belt 2 are arranged in a mutually vertical mode. Three end surfaces of the water guard 201 positioned below the first timing belt 2 are respectively contacted with the inner walls of both sides and the bottom surface of the housing 1. In order to prevent the water from being blown, the water guard 201 is inclined. As shown in fig. 11 and 12, the inner walls of the two sides of the cavity inside the housing 1 are each concavely provided with an annular sliding groove 103, the end surfaces of the two sides of the end of the water baffle 201 are each convexly provided with a sliding rod 202, the height of the sliding groove 103 is the same as the outer diameter of the sliding rod 202, and the sliding rod 202 is slidably disposed inside the sliding groove 103. Under the limiting action of the sliding rod 202, the water baffle 201 is always kept in a state of being perpendicular to the first synchronous belt 2, so that bending cannot occur, and water tightness is further ensured.
The heating device 13 is embedded in the inner wall of the drying area 107 above the first synchronous belt 2 in the housing 1, and the heating device 13 is electrically connected with the power supply system. The heating device 13 can dry the surface of the water baffle 201 moved to the inside of the drying area 107, and the dried mucous membrane is easy to fall off when being impacted by water once, thereby achieving the purpose of cleaning the water baffle 201. Meanwhile, in order to increase the sterilization effect, an ultraviolet lamp may be embedded in the inner wall of the drying region 107.
The heating device 13 and the ultraviolet lamp can be connected with an external power supply, and can also generate electricity by the water meter, and then the heating device 13 and the ultraviolet lamp are driven to work. The outer part of the shell 1 is fixedly provided with a generator 11 and an electric control box 12, the roller 3 or the sleeve 4 drives an input shaft of the generator 11 to rotate, and the generator 11 is electrically connected with the electric control box 12. The electric control box 12 is internally provided with a charging module and a storage battery which are electrically connected with each other, and the charging module has a current stabilizing function.
The water flow drives the first synchronous belt 2 to rotate, so that the rotating speed is low, the generator 11 cannot be driven to generate electricity, the rotating speed of the roller 3 is always the same as that of the first synchronous belt 2, and the generator 11 is arranged at one end of the sleeve 4.
In order to increase the output rotation speed of the water meter, as shown in fig. 7 and fig. 9, the inner walls of the two sides of the housing 1 are respectively provided with one support column 104 in a protruding manner, the two support columns 104 are arranged oppositely, the two sides of the sleeve 4 are respectively sleeved outside the two support columns 104, and the center of the inner wall of the sleeve 4 is provided with a gear ring 401.
An output shaft 5 is coaxially arranged in the center of the sleeve 4, one end of the output shaft 5 penetrates through the outer portion of the shell 1 and is fixedly connected with an input shaft of the generator 11, and the other end of the output shaft 5 is rotatably arranged in the inner wall of the supporting column 104. The output shaft 5 is sleeved with a driven gear 501. The sleeve 4 is internally provided with an intermediate gear 6, and two ends of a central shaft of the intermediate gear 6 are respectively inserted into the end faces of the two support columns 104.
The intermediate gear 6 is meshed with the ring gear 401 and the driven gear 501, respectively, that is, the ring gear 401, the intermediate gear 6, and the driven gear 501 are sequentially meshed. The number of teeth of the ring gear 401 is greater than that of the intermediate gear 6, and the number of teeth of the intermediate gear 6 is greater than that of the driven gear 501.
As shown in fig. 6 and 10, one end of the output shaft 5 facing away from the generator 11 is disposed outside the housing 1 and fixed with a first pulley 502. The top surface of the shell 1 is upwards concavely provided with a rotating groove 105, a striking device is arranged in the rotating groove 105, and the striking device comprises a rotating shaft 7 arranged in the rotating groove 105.
Two ends of the rotating shaft 7 are inserted into the inner walls of two sides of the rotating groove 105, one end of the rotating shaft 7 penetrates through the outer part of the shell 1 and is fixedly connected with a second belt pulley 703, and a second synchronous belt 8 is sleeved between the second belt pulley 703 and the first belt pulley 502.
A plurality of rubber ropes 701 are fixed on the circumferential surface of the rotating shaft 7, and striking balls 702 are fixed at the tail ends of the rubber ropes 701. The distance from the hitting ball 702 to the axis of the rotating shaft 7 is smaller than the distance from the axis of the rotating shaft 7 to the top surface of the rotary groove 105, so that when the rotating shaft 7 rotates and the hitting ball 702 moves upwards, the rotary groove 105 does not interfere with the hitting ball.
For safety, as shown in fig. 3 and 4, the first pulley 502, the second pulley 703 and the second timing belt 8 are covered with a protective cover 9.
The working method of the water meter comprises the following steps:
A. water flow enters from the water inlet pipe 101 and then flows into the liquid area 106 below the first synchronous belt 2, the water baffle 201 is pushed to move towards the direction of the water outlet pipe 102, the first synchronous belt 2 drives the roller 3 to rotate, the central shaft of the roller 3 is fixedly connected with the input shaft of the gauge head 10, and therefore the roller 3 rotates to drive the gauge head 10 to count and measure water consumption.
B. The water flow always flows in the liquid flow field 106 below the first timing belt 2 and does not flow into the drying region 107 above the first timing belt 2, and the heating device 13 heats the water guard 201 inside the drying region 107 to dry the mucous membrane formed on the surface thereof. When water is used, the water flow pushes the first synchronous belt 2 to rotate again, the dried water baffle 201 rotates to the position of the water inlet pipe 101, and the water flow blows off the dry mucous membrane above the water baffle 201, so that the surface of the water baffle 201 is clean;
C. the output shaft 5 drives the input shaft of the generator 11 to rotate, so that electricity is generated, the electricity is stored in the storage battery after being rectified by the charging module in the electric control box 12, and the storage battery supplies power for the heating device 13.
Since the number of teeth of the ring gear 401 is larger than that of the intermediate gear 6, the number of teeth of the intermediate gear 6 is larger than that of the driven gear 501. The rotational speed of the output shaft 5 is therefore greater than the rotational speed of the roller 3, facilitating power generation.
D. The output shaft 5 drives the rotating shaft 7 to rotate through the second synchronous belt 8, the rotating shaft 7 drives the rubber rope 701 and the striking ball 702 to rotate, and in the moving process of the first synchronous belt 2, the rotating striking ball 702 strikes the water baffle 201 to vibrate the dry mucous membrane on the water baffle 201.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. Impeller-free water meter with self-cleaning function, comprising a meter head (10), characterized in that:
the gauge outfit (10) is fixedly connected with the shell (1), a cavity is arranged in the shell (1), the front end and the rear end of the cavity are semicircular, the middle of the cavity is rectangular, a water inlet pipe (101) and a water outlet pipe (101) which are communicated with the cavity are respectively arranged at the front end and the rear end of the shell (1), the axis of the water outlet pipe (102) is positioned below the axis of the water inlet pipe (101), the water outlet pipe (102) is communicated with the lower half part of the cavity in the shell (1),
an annular first synchronous belt (2) is arranged in the shell (1), a roller (3) and a sleeve (4) are respectively and rotatably arranged at two ends in the first synchronous belt (2), one end of a central shaft of the roller (3) is arranged outside the shell (1) in a penetrating way and is fixedly connected with the input end of a gauge outfit (10),
a plurality of water baffles (201) are fixed on the end face of the outer side of the first synchronous belt (2), the distance between two adjacent water baffles (201) is the same, and three end faces of the water baffles (201) positioned below the first synchronous belt (2) are respectively contacted with the inner walls and the bottom faces of two sides of the shell (1).
2. The impeller-free water meter with self-cleaning function as recited in claim 1, wherein:
an annular sliding groove (103) is respectively concavely arranged in the inner walls of the two sides of the inner cavity of the shell (1),
the end faces of two sides of the tail end of the water baffle (201) are convexly provided with sliding rods (202), and the sliding rods (202) are arranged inside the sliding grooves (103) in a sliding mode.
3. The impeller-free water meter with the self-cleaning function as recited in claim 1 or 2, wherein:
a generator (11) and an electric control box (12) are fixed outside the shell (1), the roller (3) or the sleeve (4) drives an input shaft of the generator (11) to rotate,
the generator (11) is electrically connected with the electric control box (12).
4. The impeller-free water meter with self-cleaning function as recited in claim 3, wherein:
the electric control box (12) is internally provided with a charging module and a storage battery which are electrically connected with each other.
5. The impeller-free water meter with self-cleaning function as recited in claim 3, wherein:
a heating device (13) is embedded in the inner wall of the shell (1) above the first synchronous belt (2).
6. The impeller-less water meter with self-cleaning function as claimed in claim 4 or 5, wherein:
the inner walls of two sides of the shell (1) are respectively convexly provided with a supporting column (104), the two supporting columns (104) are oppositely arranged,
two sides of the sleeve (4) are respectively sleeved outside the two supporting columns (104), a gear ring (401) is arranged in the center of the inner wall of the sleeve (4),
an output shaft (5) is coaxially arranged at the center of the sleeve (4), one end of the output shaft (5) penetrates through the outer part of the shell (1) and is fixedly connected with an input shaft of a generator (11),
a driven gear (501) is sleeved on the output shaft (5), an intermediate gear (6) is arranged inside the sleeve (4), two ends of a central shaft of the intermediate gear (6) are respectively inserted inside the end surfaces of the two supporting columns (104),
the intermediate gear (6) is respectively meshed with the gear ring (401) and the driven gear (501), the number of teeth of the gear ring (401) is greater than that of teeth of the intermediate gear (6), and the number of teeth of the intermediate gear (6) is greater than that of teeth of the driven gear (501).
7. The impeller-free water meter with self-cleaning function as recited in claim 6, wherein:
the top surface of the shell (1) is upwards concavely provided with a rotating groove (105), a beating device is arranged in the rotating groove (105),
one end of the output shaft (5) departing from the generator (11) penetrates through the outer portion of the shell (1) and is fixed with a first belt pulley (502), and the first belt pulley (502) drives the striking device to rotate through a second synchronous belt (8).
8. The impeller-free water meter with self-cleaning function as recited in claim 7, wherein:
the beating device comprises a rotating shaft (7) arranged in a rotating groove (105),
two ends of the rotating shaft (7) are inserted into the inner walls of two sides of the rotating groove (105), one end of the rotating shaft (7) penetrates through the outer part of the shell (1) and is fixedly connected with a second belt pulley (703), a second synchronous belt (8) is sleeved between the second belt pulley (703) and the first belt pulley (502),
a plurality of rubber ropes (701) are fixed on the circumferential surface of the rotating shaft (7), a hitting ball (702) is fixed at the tail end of each rubber rope (701), and the distance from the hitting ball (702) to the axis of the rotating shaft (7) is smaller than the distance from the axis of the rotating shaft (7) to the top surface of the rotating groove (105).
9. The impeller-free water meter with self-cleaning function as recited in claim 8, wherein:
the outer parts of the first belt pulley (502), the second belt pulley (703) and the second synchronous belt (8) are covered with a protective cover (9) together.
10. The working method of the water meter is characterized by comprising the following steps:
A. water flow enters from the water inlet pipe (101) and then flows into the area below the first synchronous belt (2), the water baffle plate 201 is pushed to move towards the direction of the water outlet pipe (102), the first synchronous belt (2) drives the roller (3) to rotate, and the central shaft of the roller (3) is fixedly connected with the input shaft of the gauge head (10), so that the roller (3) rotates to drive the gauge head (10) to count, and the water consumption is measured;
B. the water flow always flows below the first synchronous belt (2) and cannot flow into an area above the first synchronous belt (2), the area above the first synchronous belt (2) is a drying area (107), the heating device (13) heats the water baffle (201) in the drying area (107) to dry mucous membranes formed on the surface of the water baffle, when water is used, the water flow pushes the first synchronous belt (2) to rotate again, the dried water baffle (201) rotates to the water inlet pipe (101), and the water flow blows off the dry mucous membranes above the water baffle to clean the surface of the water baffle (201);
C. the output shaft (5) drives the input shaft of the generator (11) to rotate so as to generate electricity, the electricity is rectified by a charging module in the electric control box (12) and then stored in a storage battery, and the storage battery supplies power for the heating device (13);
D. the output shaft (5) drives the rotating shaft (7) to rotate through the second synchronous belt (8), the rotating shaft (7) drives the rubber rope (701) and the striking ball (702) to rotate, the first synchronous belt (2) moves in the process, the rotating striking ball (702) strikes the water baffle (201), and dry mucous membranes on the water baffle (201) are vibrated down.
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| CN202110709580.1A CN113432663B (en) | 2021-06-25 | 2021-06-25 | Impeller-free water meter with self-cleaning function |
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| CN202110709580.1A CN113432663B (en) | 2021-06-25 | 2021-06-25 | Impeller-free water meter with self-cleaning function |
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| CN105758468A (en) * | 2014-12-19 | 2016-07-13 | 天津市中天电子发展有限公司 | Impeller box with adjusting function |
| CN107336383A (en) * | 2017-08-14 | 2017-11-10 | 贵州亿博科技有限公司 | Thermoplastic film raw material cleaning device |
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| CN209117083U (en) * | 2018-12-21 | 2019-07-16 | 泰兴市春雷仪表有限公司 | A kind of vertical spiral shell wing watchcase of anti-reverse |
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