Double-channel direct drinking water meter

Abstract

The utility model relates to the technical field of water meters, in particular to a double-channel direct drinking water meter which comprises a shell, a water inlet pipe and a water outlet pipe. The counting assembly is arranged on the outer side of the shell, is connected with the shell and is used for counting; the counting transmission assembly is arranged in the shell and is fixedly connected with the counting assembly; the counting transmission assembly comprises two sets of impellers which are arranged in the water outlet space and the water return space respectively, and the number of rotation turns of the impellers is recorded through the counting assembly. Fluid passes through the impellers to drive the impellers to rotate, the flow of the fluid is determined according to the number of rotation turns of the impellers, meanwhile, the two separated independent impellers are used for preventing the fluid in the water return pipe from entering the water outlet pipe, effective sealing is achieved, and the numerical value recorded by the counting assembly can be reduced during water return. Therefore, the difference is reduced, and fluid in the water outlet pipe cannot be polluted.

Description

Technical Field

[0001] This utility model relates to the field of water meter technology, specifically a dual-channel direct drinking water meter. Background Technology

[0002] Piped drinking water systems use municipal tap water or other centralized water supply as raw water. The water undergoes pretreatment, membrane treatment, post-treatment, return water treatment, and a supply system, and is distributed to users via main and branch pipes to provide directly drinkable water. The branch pipe length from the drinking water supply riser to the household tap is generally 3-5 meters. In large apartments, villas, commercial buildings, and public places, the branch pipe length is longer, generally over 6 meters. This can easily lead to the drinking water staying in the pipes for too long, causing water quality deterioration. Therefore, a dual-channel drinking water meter is needed to connect with the return water pipe for circulation.

[0003] However, existing dual-channel direct drinking water meters measure fluid flow by connecting the meter in series with the return and outlet pipes. During measurement, the fluid passes through an impeller, causing it to rotate and drive a counter. The counter decrements during return flow, subtracting the difference. However, a larger impeller is used, with one half in the outlet pipe and the other half in the return pipe. The impeller's reverse rotation subtracts the difference, but to ensure proper rotation, a gap exists between the impeller and the meter housing. Furthermore, the impeller's rotation carries some fluid, causing fluid from the return pipe to enter the outlet pipe, making effective sealing during measurement impossible and contaminating the fluid in the outlet pipe. Summary of the Invention

[0004] The purpose of this invention is to solve the problem that existing dual-channel direct drinking water meters cannot effectively seal during metering, which causes pollution to the fluid in the outlet pipe.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] Dual-channel direct drinking water meter, including:

[0007] The shell has a partition inside, which forms an outlet space and a return space.

[0008] Two sets of first flow pipes are disposed at one end of the shell and are respectively connected to the water outlet space and the water return space;

[0009] Two sets of second flow pipes are provided at the other end of the shell and are respectively connected to the water outlet space and the water return space;

[0010] A counting component is disposed on the outside of the housing and connected to the housing, and is used for counting;

[0011] A counting transmission assembly is disposed inside the housing and fixedly connected to the counting assembly; the counting transmission assembly includes two sets of impellers, which are respectively disposed in the water outlet space and the water return space, and the counting assembly records the number of rotations of the impellers.

[0012] Preferably, the counting transmission assembly further includes:

[0013] The first spur gear is fixedly connected to the shaft of a set of impellers;

[0014] The second spur gear is fixedly connected to the shaft of the impeller at the other end and meshes with the first spur gear.

[0015] Two sets of first guide plates are respectively disposed in the water outlet space and the water return space, and are fixedly connected to the inner wall of the shell;

[0016] Two sets of second guide plates are respectively disposed in the water outlet space and the water return space, and are fixedly connected to both sides of the partition plate;

[0017] The bevel gear set consists of a first bevel gear and a second bevel gear, with the edge of the first bevel gear meshing with the edge of the second bevel gear; the first bevel gear is located at the end of the impeller away from the first spur gear and is fixedly connected to the shaft of the impeller.

[0018] Preferably, the second guide plate is coaxially arranged with the first guide plate, and the side of the second guide plate and the first guide plate adjacent to each other is in contact with the edge of the impeller.

[0019] Preferably, the counting component includes:

[0020] The first counting wheel, the axis of the first counting wheel is fixedly connected to the second bevel gear;

[0021] A first actuating wheel is located at the end of the first counting wheel away from the second bevel gear and is coaxially arranged with the first counting wheel; a first actuating block is provided on the edge of the first actuating wheel;

[0022] The first drive wheel is located on the edge of the first actuating wheel, so that when the first actuating wheel rotates, it can actuate the first drive wheel to rotate.

[0023] The first driven wheel is located on the side of the first actuating wheel away from the first counting wheel, and the edge of the first driven wheel is engaged with the first driving wheel;

[0024] The second counting wheel is located on the side of the first driven wheel away from the first actuating wheel, and is coaxially arranged with the first driven wheel;

[0025] The second actuating wheel is located at the end of the second counting wheel away from the first driven wheel, and is coaxially arranged with the first driven wheel; a second actuating block is provided on the edge of the second actuating wheel;

[0026] The second drive wheel is located on the edge of the second actuating wheel, so that when the second actuating wheel rotates, it can actuate the second drive wheel to rotate.

[0027] The second driven wheel is located on the side of the second actuating wheel away from the second counting wheel, and the edge of the second driven wheel is engaged with the second driving wheel;

[0028] The third counting wheel is located on the side of the second driven wheel away from the second actuating wheel, and is coaxial with the second driven wheel.

[0029] Preferably, it further includes: two sets of limiting structures; the two sets of limiting structures are respectively disposed in the water space and the return water space, for limiting the rotation of the impeller.

[0030] Preferably, each set of the limiting structures includes:

[0031] The insert is composed of a circular plate and a pin, with the outer side of the pin fixedly connected to the circular plate; the pin passes through the first guide plate and is slidably connected to the first guide plate.

[0032] A limiting plate is sleeved on the outside of the pin and slidably connected to the pin; one end of the limiting plate is fixedly connected to the partition plate.

[0033] An elastic element is disposed between the circular plate and the limiting plate, and is sleeved on the outside of the pin.

[0034] Preferably, it further includes: a shielding structure; the shielding structure is connected to the housing and is used to block the flow of fluid.

[0035] Preferably, the shielding structure includes:

[0036] Two sets of baffles penetrate the housing and are slidably connected to the housing;

[0037] Two sets of connectors, each set of connectors consists of a horizontal bar and two sets of vertical bars. The two ends of the horizontal bar are respectively fixedly connected to one end of the two sets of vertical bars. The side of the horizontal bar closest to the housing is fixedly connected to the baffle.

[0038] Two sets of connecting plates, one end of each set of connecting plates being fixedly connected to one set of the crossbars;

[0039] Two sets of electric actuators, with the output end of each set of electric actuators fixedly connected to the other end of the connecting plate;

[0040] Two sets of connecting rods, one end of each set of connecting rods is fixedly connected to the other end of the vertical rod.

[0041] Preferably, it further includes: a protective component; the protective component is disposed on the outside of the counting component and fixedly connected to the housing, for protecting the counting component.

[0042] Preferably, the protective component includes:

[0043] A protective cover is fitted over the outside of the counting assembly and is fixedly connected to the housing;

[0044] The top cover is located on the side of the protective cover away from the housing and is rotatably connected to the protective cover.

[0045] The beneficial effects proposed by this utility model are as follows: by allowing the fluid to pass through the impeller, the impeller is driven to rotate, and the flow rate of the fluid is determined by the number of rotations of the impeller. At the same time, the use of two separate independent impellers can prevent the fluid in the return pipe from entering the outlet pipe, thus achieving effective sealing. It can also reduce the value recorded by the counting component during return water to subtract the difference, so as not to cause pollution to the fluid in the outlet pipe. Attached Figure Description

[0046] Figure 1 This is a schematic diagram of the structure of this utility model;

[0047] Figure 2 for Figure 1 A three-dimensional schematic diagram of the internal connection structure;

[0048] Figure 3 for Figure 2 A three-dimensional schematic diagram of the internal connection structure;

[0049] Figure 4 for Figure 2 A three-dimensional schematic diagram of the middle section connection structure;

[0050] Figure 5 for Figure 4 A three-dimensional schematic diagram of the middle section connection structure;

[0051] Figure 6 for Figure 3 A three-dimensional schematic diagram of the middle section connection structure;

[0052] Figure 7 for Figure 6 A three-dimensional diagram of the central connecting structure viewed from below;

[0053] Figure 8 for Figure 6 A three-dimensional schematic diagram of the connecting structure in the middle section.

[0054] In the diagram: 1. Shell, 2. Protective cover, 3. Top cover, 4. First flow pipe, 5. Second flow pipe, 6. First guide plate, 7. Second guide plate, 8. Impeller, 9. First spur gear, 10. Second spur gear, 11. Bevel gear set, 12. First counting wheel, 13. First actuating wheel, 14. First driving wheel, 15. First driven wheel, 16. Second counting wheel, 17. Second actuating wheel, 18. Second driving wheel, 19. Second driven wheel, 20. Third counting wheel, 21. Baffle, 22. Connector, 23. Connecting plate, 24. Electric push rod, 25. Connecting rod, 26. Insert, 27. Limiting plate, 28. Elastic element. Detailed Implementation

[0055] The present invention will be further described below with reference to the accompanying drawings:

[0056] This embodiment:

[0057] Please see Figure 1-8 In this embodiment, the dual-channel direct drinking water meter includes: a housing 1, two sets of first flow pipes 4, two sets of second flow pipes 5, a counting component, and a counting transmission component.

[0058] In this embodiment, a partition is provided inside the shell 1, and a water outlet space and a water return space are formed through the partition; two sets of first flow pipes 4 are provided at one end of the shell 1 and are respectively connected to the water outlet space and the water return space; two sets of second flow pipes 5 are provided at the other end of the shell 1 and are respectively connected to the water outlet space and the water return space.

[0059] In this embodiment, the water outlet space is located below the partition, while the water return space is located above the partition; the first flow pipe 4 connected to the water outlet space is the water inlet for the water outlet, and the other set of first flow pipes 4 is the water outlet for the water return; the second flow pipe 5 connected to the water outlet space is the water outlet for the water outlet, and the other set of second flow pipes 5 is the water inlet for the water return.

[0060] The counting component is located on the outside of the housing 1 and connected to the housing 1 for counting.

[0061] In this embodiment, the flow rate of the fluid can be calculated using a counting component.

[0062] The counting transmission assembly is located inside the housing 1 and is fixedly connected to the counting assembly. The counting transmission assembly includes two sets of impellers 8, which are respectively located in the water outlet space and the water return space. The counting assembly records the number of rotations of the impellers 8.

[0063] In this embodiment, the impeller 8 is driven to rotate by passing the fluid through it, and the flow rate of the fluid is determined by the number of rotations of the impeller 8. At the same time, the two separate independent impellers 8 can prevent the fluid in the return pipe from entering the outlet pipe, thus achieving effective sealing. They can also reduce the value recorded by the counting component when returning water, so as to subtract the difference and prevent contamination of the fluid in the outlet pipe.

[0064] like Figure 3 and Figure 4 As shown, the counting transmission assembly also includes: a first spur gear 9, a second spur gear 10, two sets of first guide plates 6, two sets of second guide plates 7, and a bevel gear set 11.

[0065] The first spur gear 9 is fixedly connected to the shaft of a set of impellers 8; the second spur gear 10 is fixedly connected to the shaft of the other impeller 8 and meshes with the first spur gear 9.

[0066] In this embodiment, the first spur gear 9 and the second spur gear 10 rotate in opposite directions.

[0067] Two sets of first guide plates 6 are respectively installed in the water outlet space and the water return space, and are fixedly connected to the inner wall of the shell 1; two sets of second guide plates 7 are respectively installed in the water outlet space and the water return space, and are fixedly connected to both sides of the partition.

[0068] In this embodiment, the combination of the first guide plate 6 and the second guide plate 7 causes the flow to originate from half of the impeller 8, thereby causing the impeller 8 to rotate.

[0069] The bevel gear set 11 consists of a first bevel gear and a second bevel gear, with the edge of the first bevel gear meshing with the edge of the second bevel gear; the first bevel gear is located at one end of a set of impellers 8 away from the first straight gear 9, and is fixedly connected to the shaft of the impeller 8.

[0070] In this embodiment, the impeller 8 below rotates and is transmitted to the counting component through the bevel gear set 11.

[0071] like Figure 3 As shown, the second guide plate 7 is coaxially arranged with the first guide plate 6, and the side of the second guide plate 7 and the first guide plate 6 adjacent to each other is in contact with the edge of the impeller 8.

[0072] In this embodiment, the second guide plate 7 and the first guide plate 6 have the same inner diameter and are arc-shaped.

[0073] When water is discharged, the fluid comes into contact with the lower half of the lower impeller 8, causing it to rotate clockwise. When water is returned, the fluid comes into contact with the upper half of the upper impeller 8, also causing it to rotate clockwise (the fluid flows in opposite directions during discharge and return). However, after being meshed by the first spur gear 9 and the second spur gear 10, the lower impeller 8 rotates counterclockwise, and this rotation is transmitted to the counting component. The difference is subtracted by changing the direction of rotation. The two separate impellers 8 prevent fluid in the return pipe from entering the discharge pipe, achieving an effective seal and preventing contamination of the fluid in the discharge pipe.

[0074] like Figure 2 and Figure 5 As shown, the counting assembly includes: a first counting wheel 12, a first actuating wheel 13, a first driving wheel 14, a first driven wheel 15, a second counting wheel 16, a second actuating wheel 17, a second driving wheel 18, a second driven wheel 19, and a third counting wheel 20.

[0075] Specifically, the axis of the first counting wheel 12 is fixedly connected to the second bevel gear; the first actuating wheel 13 is located at the end of the first counting wheel 12 away from the second bevel gear and is coaxial with the first counting wheel 12; the edge of the first actuating wheel 13 is provided with a first actuating block.

[0076] In this embodiment, when the second bevel gear rotates, it will simultaneously drive the first counting wheel 12 and the first actuating wheel 13 to rotate; the surfaces of the first counting wheel 12, the second counting wheel 16 and the third counting wheel 20 are all provided with scales, and the scales are numbers from 0 to 9, and are evenly distributed.

[0077] The first drive wheel 14 is located on the edge of the first actuating wheel 13, so that when the first actuating wheel 13 rotates, it can actuate the first drive wheel 14 to rotate.

[0078] In this embodiment, when the first actuating wheel 13 rotates, the first actuating block can be used to actuate the first driving wheel 14 to rotate intermittently.

[0079] The first driven wheel 15 is located on the side of the first actuating wheel 13 away from the first counting wheel 12, and the edge of the first driven wheel 15 is engaged with the first driving wheel 14; the second counting wheel 16 is located on the side of the first driven wheel 15 away from the first actuating wheel 13, and is coaxial with the first driven wheel 15.

[0080] In this embodiment, when the first driving wheel 14 rotates, it drives the second counting wheel 16 to rotate through the first driven wheel 15. The distance that the second counting wheel 16 rotates each time is just enough to make all the numbers rotate from their current position to the position of the next number.

[0081] The second actuating wheel 17 is located at one end of the second counting wheel 16 away from the first driven wheel 15 and is coaxially arranged with the first driven wheel 15; a second actuating block is provided on the edge of the second actuating wheel 17; the second driving wheel 18 is located on the edge of the second actuating wheel 17, so that when the second actuating wheel 17 rotates, it can actuate the second driving wheel 18 to rotate.

[0082] In this embodiment, the second counting wheel 16 can drive the second actuating wheel 17 to rotate, and the second actuating wheel 17 will drive the second driving wheel 18 to rotate intermittently through the second actuating block.

[0083] The second driven wheel 19 is located on the side of the second actuating wheel 17 away from the second counting wheel 16, and the edge of the second driven wheel 19 is engaged with the second driving wheel 18; the third counting wheel 20 is located on the side of the second driven wheel 19 away from the second actuating wheel 17, and is coaxial with the second driven wheel 19.

[0084] In this embodiment, when the second driving wheel 18 rotates, it will drive the third counting wheel 20 to rotate through the second driven wheel 19. The distance that the third counting wheel 20 rotates each time is just enough to make all the numbers rotate from their current position to the position of the next number.

[0085] During counting, a set of impellers 8 drives the bevel gear set 11 to rotate, which in turn drives the first counting wheel 12 to rotate. The first counting wheel 12 in turn drives the first actuating wheel 13 to rotate. The first actuating wheel 13, through a first actuating block, can actuate the first driving wheel 14 to rotate intermittently. The first driving wheel 14 in turn drives the first driven wheel 15 and the second counting wheel 16 to rotate. The distance that the second counting wheel 16 rotates each time is exactly enough to move all the numbers from their current position to the position of the next number. At the same time, it drives the second actuating wheel 17 to rotate. The second actuating wheel 17, through a second actuating block, actuates the second driving wheel 18 to rotate intermittently. The second driving wheel 18 in turn drives the second driven wheel 19 and the third counting wheel 20 to rotate. The distance that the third counting wheel 20 rotates each time is exactly enough to move all the numbers from their current position to the position of the next number. This achieves counting. In reverse, the numbers can also be reversed.

[0086] When the fluid moves, it drives the impeller 8 to rotate. At the moment when the fluid stops moving, the impeller 8 will rotate a certain distance due to its own inertia, which will cause the measurement results to deviate.

[0087] To address the aforementioned issues, this embodiment proposes an implementation method in which the dual-channel direct drinking water meter further includes two sets of limiting structures. The two sets of limiting structures are respectively disposed in the water space and the return water space to limit the rotation of the impeller 8.

[0088] like Figure 8As shown, each set of limiting structures includes: insert 26, limiting plate 27 and elastic element 28.

[0089] The insert 26 consists of a circular plate and a pin, with the outer side of the pin fixedly connected to the circular plate; the pin passes through the first guide plate 6 and is slidably connected to the first guide plate 6.

[0090] In this embodiment, when the impeller 8 rotates, it will push the insert 26 to move towards the outside of the first guide plate 6; the insert 26 is made of plastic and is lightweight.

[0091] The limiting plate 27 is sleeved on the outside of the pin and is slidably connected to the pin; one end of the limiting plate 27 is fixedly connected to the partition.

[0092] In this embodiment, the limiting plate 27 can restrict the movement direction of the insert 26.

[0093] The elastic element 28 is disposed between the circular plate and the limiting plate 27, and is sleeved on the outside of the pin.

[0094] In this embodiment, the elastic element 28 is a spring. When the insert 26 moves outward, the elastic element 28 will be compressed. The elastic force of the elastic element 28 can only push the insert 26 to move. The elastic force of the elastic element 28 is less than the force generated when the fluid flows. After the fluid stops moving, the force generated by the impeller 8 due to inertia is less than the elastic force of the elastic element 28. Therefore, the impeller 8 can be restricted from moving due to inertia.

[0095] Because the outlet and return water pipes are connected at the faucet, the fluid will move due to the rotation of impeller 8 when water is flowing out or returning, affecting the accuracy of the count.

[0096] To address the aforementioned issues, this embodiment proposes an implementation method in which the dual-channel direct drinking water meter further includes a shielding structure; the shielding structure is connected to the housing 1 and is used to block the flow of fluid.

[0097] like Figure 6 and Figure 7 As shown, the shielding structure includes: two sets of baffles 21, two sets of connectors 22, two sets of connecting plates 23, two sets of electric push rods 24, and two sets of connecting rods 25.

[0098] Specifically, two sets of baffles 21 penetrate the housing 1 and are slidably connected to the housing 1.

[0099] In this embodiment, rubber is provided at the connection between the baffle 21 and the housing 1 for sealing.

[0100] Each set of connectors 22 consists of a horizontal bar and two sets of vertical bars. The two ends of the horizontal bar are fixedly connected to one end of each of the two sets of vertical bars, and the side of the horizontal bar closest to the housing 1 is fixedly connected to the baffle 21.

[0101] In this embodiment, the two sets of connectors 22 move in the same direction, which makes the two sets of baffles 21 move in the same direction. That is, when one set is blocked, the other set is in a flowing state.

[0102] One end of each connecting plate 23 is fixedly connected to a set of crossbars; the output end of each set of electric push rods 24 is fixedly connected to the other end of the connecting plate 23.

[0103] In this embodiment, the model of the electric actuator 24 is selected according to actual needs, as long as it meets the working conditions; the electric actuator 24 can be remotely controlled, and a button is installed at the faucet; the output end of the electric actuator 24 can drive the connector 22 to move through the connecting plate 23.

[0104] One end of each connecting rod 25 is fixedly connected to the other end of the vertical rod.

[0105] In this embodiment, the two sets of connecting parts 22 are moved in the same direction by the connecting rod 25.

[0106] During water return, the electric push rod 24 is adjusted so that its output end pushes the connecting piece 22 to move via the connecting plate 23. The two sets of connecting pieces 22 move in the same direction via the connecting rod 25, which in turn drives the two sets of baffles 21 to move in the same direction. This ensures that the baffle 21 in the water return space is in a flowing state, while the baffle 21 in the water outlet space is in a blocked state. This prevents the fluid in the water outlet space from flowing during water return, thus eliminating the measurement result and making the measurement result more accurate.

[0107] The dual-channel direct drinking water meter also includes: a protective component; the protective component is located on the outside of the counting component and is fixedly connected to the housing 1, and is used to protect the counting component.

[0108] like Figure 1 As shown, the protective components include: a protective cover 2 and a top cover 3.

[0109] The protective cover 2 is fitted on the outside of the counting component and is fixedly connected to the housing 1; the upper cover 3 is located on the side of the protective cover 2 away from the housing 1 and is rotatably connected to the protective cover 2.

[0110] In this embodiment, a transparent glass is installed on the surface of the upper cover 3, through which the numbers of the counting component can be observed and the flow rate can be determined; by rotating the upper cover 3, the upper cover 3 is moved away from the protective cover 2, and internal maintenance can be carried out.

[0111] Working principle:

[0112] When in use, this dual-channel direct drinking water meter is connected in series in the pipeline. When water is flowing out, the fluid comes into contact with the lower half of the lower impeller 8, causing it to rotate clockwise. When water is flowing back, the fluid comes into contact with the upper half of the upper impeller 8, also causing it to rotate clockwise (the fluid flows in opposite directions during outflow and return). However, after being meshed by the first spur gear 9 and the second spur gear 10, the lower impeller 8 rotates counterclockwise, and this rotation is transmitted to the counting component. The difference is subtracted by changing the direction of rotation. The two separate impellers 8 prevent fluid in the return pipe from entering the outlet pipe, achieving effective sealing and preventing contamination of the fluid in the outlet pipe.

[0113] Before the water return, the electric push rod 24 is adjusted by pressing a button, so that the output end of the electric push rod 24 pushes the connecting piece 22 to move through the connecting plate 23. The two sets of connecting pieces 22 move in the same direction through the connecting rod 25, and drive the two sets of baffles 21 to move in the same direction. This makes the baffle 21 in the water return space in a flowing state, while the baffle 21 in the water outlet space is in a blocked state. This prevents the fluid in the water outlet space from flowing during water return, thus eliminating the measurement result and making the measurement result more accurate.

[0114] When impeller 8 rotates, it drives the first counting wheel 12 to rotate via bevel gear set 11. The first counting wheel 12 simultaneously drives the first actuating wheel 13 to rotate. The first actuating wheel 13 can use the first actuating block to actuate the first driving wheel 14 to rotate intermittently. The first driving wheel 14 simultaneously drives the first driven wheel 15 and the second counting wheel 16 to rotate. The distance that the second counting wheel 16 rotates each time is exactly enough to move all numbers from their current position to the position of the next number. At the same time, it drives the second actuating wheel 17 to rotate. The second actuating wheel 17 uses the second actuating block to actuate the second driving wheel 18 to rotate intermittently. The second driving wheel 18 simultaneously drives the second driven wheel 19 and the third counting wheel 20 to rotate. The distance that the third counting wheel 20 rotates each time is exactly enough to move all numbers from their current position to the position of the next number. This achieves counting. In reverse, the numbers can also be reversed.

[0115] When the fluid is flowing, the force generated by the rotation of the impeller 8 is greater than the elastic force of the elastic element 28, thereby pushing the insert 26 to move outward and compressing the elastic element 28 again. After the fluid stops moving, the force generated by the impeller 8 due to inertia is less than the elastic force of the elastic element 28, thus restricting the impeller 8 from moving due to inertia, and completing the use of this device.

[0116] Although the present invention has been illustrated and described with reference to preferred embodiments, those skilled in the art should understand that various changes in form and detail are possible within the scope of the claims.

Claims

1. A dual channel direct drinking water meter, characterized in that: The utility model relates to a kind of water meter, including: Shell (1), the inside of the shell (1) is provided with partition, and water space and backwater space are formed by the partition; Two groups of first flow pipe (4) are arranged at one end of the shell (1), and respectively with the water space and the backwater space are communicated; Two groups of second flow pipe (5) are arranged at the other end of the shell (1), and respectively with the water space and the backwater space are communicated; Counting component is arranged at the outside of the shell (1), and is connected with the shell (1), for counting; Counting transmission component is arranged in the inside of the shell (1), and is fixedly connected with the counting component;The counting transmission component includes: two groups of impeller (8) are arranged in the water space and the backwater space respectively, and the rotation number of the impeller (8) is recorded by the counting component.

2. The dual pass through direct drinking water meter of claim 1, wherein: The counting transmission component further includes: First spur gear (9), and the axis of a group of the impeller (8) is fixedly connected; Second spur gear (10), and the axis of the other end impeller (8) is fixedly connected, and is engagedly connected with the first spur gear (9); Two groups of first guide plate (6) are arranged in the water space and the backwater space respectively, and are fixedly connected with the inner wall of the shell (1); Two groups of second guide plate (7) are arranged in the water space and the backwater space respectively, and are fixedly connected with the two sides of the partition; Bevel gear set (11) is composed of first bevel gear and second bevel gear, and the edge of the first bevel gear is engagedly connected with the edge of the second bevel gear;The first bevel gear is arranged at one end of a group of the impeller (8) away from the first spur gear (9), and is fixedly connected with the axis of the impeller (8).

3. The dual pass through direct drinking water meter of claim 2, wherein: The second guide plate (7) is coaxially arranged with the first guide plate (6), and the side adjacent to the second guide plate (7) and the first guide plate (6) is attached to the edge of the impeller (8).

4. The dual pass through direct drinking water meter of claim 2, wherein: The counting component includes: First counting wheel (12), and the axis of the first counting wheel (12) is fixedly connected with the second bevel gear; First dial wheel (13) is arranged at one end of the first counting wheel (12) away from the second bevel gear, and is coaxially arranged with the first counting wheel (12);The edge of the first dial wheel (13) is provided with first dial block; First driving wheel (14) is arranged at the edge of the first dial wheel (13), so that the first dial wheel (13) can dial the first driving wheel (14) rotation when rotating; First driven wheel (15) is arranged at one side of the first dial wheel (13) away from the first counting wheel (12), and the edge of the first driven wheel (15) is engagedly connected with the first driving wheel (14); Second counting wheel (16) is arranged at one side of the first driven wheel (15) away from the first dial wheel (13), and is coaxially arranged with the first driven wheel (15); A second driving wheel (18) is arranged at the edge of the second driving wheel (17), so that the second driving wheel (17) can drive the second driving wheel (18) to rotate when the second driving wheel (17) rotates. A second driving wheel (18) is arranged at the edge of the second driving wheel (17), so that the second driving wheel (17) can drive the second driving wheel (18) to rotate when the second driving wheel (17) rotates. A second driving wheel (19) is arranged on the side of the second driving wheel (17) away from the second counting wheel (16), and the edge of the second driving wheel (19) is in meshing connection with the second driving wheel (18). A third counting wheel (20) is arranged on the side of the second driving wheel (19) away from the second driving wheel (17), and is coaxially arranged with the second driving wheel (19).

5. The dual pass through direct drinking water meter of claim 2, wherein: Further comprising: Two sets of limiting structures; two sets of the limiting structures are arranged in the water space and the backwater space respectively, for limiting the rotation of the impeller (8).

6. The dual pass through direct drinking water meter of claim 5, wherein: Each set of the limiting structure comprises: A plug-in part (26) is composed of a circular plate and a latch, the outer side of the latch is fixedly connected with the circular plate, the latch penetrates through the first flow guide plate (6) and is in sliding connection with the first flow guide plate (6); A limiting plate (27) is sleeved on the outer side of the latch and is in sliding connection with the latch; one end of the limiting plate (27) is fixedly connected with the partition plate; An elastic member (28) is arranged between the circular plate and the limiting plate (27) and is sleeved on the outer side of the latch.

7. The dual pass through direct drinking water meter of claim 1, wherein: Further comprising: A shielding structure; The shielding structure is connected with the shell (1) and is used for blocking the flow of fluid.

8. The dual pass through direct drinking water meter of claim 7, wherein: The shielding structure comprises: Two sets of baffles (21) penetrate through the shell (1) and are in sliding connection with the shell (1); Two sets of connecting members (22), each set of connecting member (22) is composed of a horizontal rod and two sets of vertical rods, the two ends of the horizontal rod are respectively fixedly connected with one end of the two sets of vertical rods, and the side of the horizontal rod close to the shell (1) is fixedly connected with the baffle (21); Two sets of connecting plates (23), one end of each set of connecting plate (23) is fixedly connected with one set of horizontal rod; Two sets of electric push rods (24), the output end of each set of electric push rod (24) is fixedly connected with the other end of the connecting plate (23); Two sets of connecting rods (25), one end of each set of connecting rod (25) is fixedly connected with the other end of the vertical rod.

9. The dual pass through direct drinking water meter of claim 1, wherein: Further comprising: A protection assembly; the protection assembly is arranged on the outside of the counting assembly and is fixedly connected with the shell (1), and is used for protecting the counting assembly.

10. The dual pass through direct drinking water meter of claim 9, wherein: The protection assembly comprises: A protective cover (2) is sleeved on the outside of the counting assembly and is fixedly connected with the shell (1); An upper cover (3) is arranged on the side of the protective cover (2) away from the shell (1) and is in rotational connection with the protective cover (2).

Images