CN218973567U

CN218973567U - Rotor type backflow-preventing water meter

Info

Publication number: CN218973567U
Application number: CN202223002194.8U
Authority: CN
Inventors: 宁旭
Original assignee: Tianjin Lanke Hongxuan Intelligent Technology Co ltd
Current assignee: Tianjin Lanke Hongxuan Intelligent Technology Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-05-05
Anticipated expiration: 2032-11-04

Abstract

The utility model discloses a rotary wing type backflow prevention water meter, which comprises a meter seat, wherein a rotary wing type impeller seat is assembled on the inner side of the meter seat; the bottom of the gauge stand is fixedly provided with a hemispherical backflow prevention seat, the outer wall of the backflow prevention seat is fixedly connected with a water inlet pipe seat, the outer wall of the gauge stand is also fixedly connected with a water drainage pipe seat, and the inner side of the backflow prevention seat is provided with a baffle disc positioned at the outer side of the end head of the water inlet pipe seat; this rotor type anti-backflow water meter prevents the setting of seat and inboard each subassembly through the gauge stand downside, when the condition of water refluence takes place, the water is carried to the gauge stand inboard from the drain pipe seat, and the water is carried to the seat of preventing the refluence again in, and there is an impact force right this moment the water, and then can be at an impact force right to the baffle disc, and then makes it hide the stifled to the cistern, and then reaches the effect of preventing the refluence, has solved the problem that current anti-backflow structure produced adverse effect to whole rotor type transport.

Description

Rotor type backflow-preventing water meter

Technical Field

The utility model relates to the technical field of auxiliary backflow prevention of rotary wing type water meters, in particular to a rotary wing type backflow prevention water meter.

Background

The rotary wing type water meter is suitable for metering the total amount of unidirectional water flow of a small-caliber pipeline, such as household water consumption metering by using pipelines with caliber of 15mm and 20 mm. The water meter mainly comprises a shell, an impeller measuring mechanism, a speed reducing mechanism and an indicator, and has the characteristic of simple structure.

Through retrieving, in the application of patent application number CN202022994270.2, a novel rotor type backflow-preventing water meter impeller structure is disclosed. This rotor formula water gauge impeller structure that prevents flowing backwards includes: the impeller comprises a round platform type impeller main body, a backflow preventing cover and a guide cover plate; the side surface of the impeller main body is provided with blades which are spirally arranged on the side surface of the impeller main body; the impeller main body is arranged in the backflow preventing cover through a rotating shaft; the backflow prevention cover is of a shell structure with an opening at one end, and a plurality of overflow holes are formed in the bottom surface of the backflow prevention cover, which is opposite to the opening end; the air guide sleeve cover plate is fixedly connected with the shell of the water meter and is matched with the opening end of the backflow prevention cover, an opening is formed in the air guide sleeve cover plate, and the impeller main body penetrates through the opening and is connected with the metering mechanism of the water meter; the part above the diversion cover plate is communicated with the water inlet of the water meter. The above-described assembly achieves a backflow prevention effect by changing the shape of its inner impeller, but this is inconvenient for the assembly of the subsequent counter and the filter screen holder.

Therefore, we propose a rotary wing type backflow preventing water meter.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a rotary wing type backflow prevention water meter, which solves the problem that the existing backflow prevention structure has adverse effect on the overall rotary wing type conveying.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the rotary wing type backflow prevention water meter comprises a meter seat, wherein a rotary wing type impeller seat is assembled on the inner side of the meter seat, a rotary wing type impeller seat main body is an impeller on the inner side of the meter seat, a counter sleeved with an impeller shaft is arranged in the rotary wing type impeller seat, a filter screen seat positioned below the impeller is also arranged in the rotary wing type impeller seat, and a dial plate sleeved with the counter in the rotary wing type impeller seat is fixedly arranged on the top of the meter seat;

the gauge stand bottom fixed mounting has and is hemispherical prevents flowing backwards the seat, fixedly connected with water inlet tube seat on the outer wall of preventing flowing backwards the seat, and still fixedly connected with drainage tube seat on the outer wall of gauge stand, and prevent flowing backwards the inboard of seat and be provided with the fender dish that is located water inlet tube seat end outside.

Preferably, a liquid groove which is positioned at the outer side of the end head of the water inlet pipe seat and has the same shape is formed in the side wall of the backflow prevention seat, and the baffle disc is arranged at the outer side of the liquid groove.

Preferably, the inner wall of the backflow preventing seat is fixedly provided with a shaft seat, the shaft seat is arranged above the liquid tank, and the backflow preventing seat is fixedly connected to the top side of the baffle disc through the shaft seat.

Preferably, the baffle disc is an arc-shaped disc, and the baffle disc is made of plastic materials.

Preferably, the water inlet pipe seat and the water outlet pipe seat are respectively arranged above the left side and below the right side of the gauge stand.

(III) beneficial effects

The utility model provides a rotary wing type backflow prevention water meter. The beneficial effects are as follows:

this rotor formula anti-backflow water gauge, through the setting of gauge stand downside anti-backflow seat and inboard each subassembly thereof, when utilizing the inlet tube seat to import the water, the impact force that the water brought can make the fender dish be in outside rotation state, and then guarantee that the inboard water of inlet tube seat is normally carried in to anti-backflow seat, also be convenient for rotor formula impeller seat inboard subassembly drives and filters the purification to the water, and when the condition of water refluence takes place, the water is carried to the gauge stand inboard from the drain pipe seat, the water is carried to the anti-backflow seat again, there is an impact force right this moment, and then can be at an impact force right to the fender dish, and then make it block up the cistern, and then reach the effect of preventing the refluence, add anti-backflow mechanism under the circumstances that does not change its inboard impeller structure, the problem that current anti-backflow structure produced adverse effect to whole rotor formula transport has been solved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the inner side of the present utility model;

FIG. 3 is a schematic view of the inner side of the anti-backflow seat of the present utility model;

FIG. 4 is a schematic diagram of the structure of the liquid tank of the present utility model.

In the figure: 1. a gauge stand; 2. a dial; 3. a backflow prevention seat; 4. a water inlet pipe seat; 5. a drain pipe seat; 6. a rotor type impeller seat; 7. a baffle disc; 8. a shaft seat; 9. a liquid tank.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the embodiment of the present utility model provides a technical solution: the rotary wing type backflow prevention water meter comprises a meter seat 1, wherein a rotary wing type impeller seat 6 is arranged on the inner side of the meter seat 1, a main body of the rotary wing type impeller seat 6 is an impeller on the inner side of the rotary wing type impeller seat 6, a counter sleeved with an impeller shaft is arranged in the rotary wing type impeller seat 6, a filter screen seat positioned below the impeller is also arranged in the rotary wing type impeller seat 6, and a dial plate 2 sleeved with the counter in the rotary wing type impeller seat 6 is fixedly arranged at the top of the meter seat 1;

the bottom of the gauge stand 1 is fixedly provided with a hemispherical backflow prevention seat 3, the outer wall of the backflow prevention seat 3 is fixedly connected with a water inlet pipe seat 4, the outer wall of the gauge stand 1 is also fixedly connected with a water drainage pipe seat 5, and the inner side of the backflow prevention seat 3 is provided with a baffle disc 7 positioned at the outer side of the end head of the water inlet pipe seat 4;

in this embodiment, it needs to be described that, this rotor type backflow preventing water meter, through the setting of gauge stand 1 downside backflow preventing seat 3 and inboard each subassembly thereof, when utilizing intake pipe seat 4 to input the water, the impact force that the water brought can make baffle 7 be in outside rotation state, and then guarantee intake pipe seat 4 inboard water and normally carry in backflow preventing seat 3, also be convenient for rotor type impeller seat 6 inboard subassembly to drive and filter the purification to the water, and when the condition of water backflow takes place, the water is carried to gauge stand 1 inboard from drain pipe seat 5, the water is carried to backflow preventing seat 3 again, there is a right impact force in the water at this moment, and then can have a right impact force to baffle 7, and then make it block up liquid groove 9, and then reach the effect of preventing backflow, add backflow preventing mechanism under the circumstances that does not change its inboard impeller structure, the problem that current backflow preventing structure produced adverse effect to whole rotor type transport has been solved.

In this embodiment, it should be noted that the side wall of the backflow prevention seat 3 is provided with a liquid groove 9 which is located outside the end of the water inlet pipe seat 4 and has the same shape, and the baffle plate 7 is disposed outside the liquid groove 9.

In this embodiment, it should be noted that, an axle seat 8 is fixedly installed on the inner wall of the backflow preventing seat 3, the axle seat 8 is disposed above the liquid tank 9, and the backflow preventing seat 3 is fixedly connected to the top side of the baffle plate 7 through the axle seat 8.

In this embodiment, it should be noted that the baffle plate 7 is an arc plate, and the baffle plate 7 is made of plastic material.

In the present embodiment, the water inlet pipe seat 4 and the water outlet pipe seat 5 are provided above the left side and below the right side of the gauge stand 1, respectively.

The working principle and the using flow of the utility model are as follows: when the device is in normal work between two sets of body, the water is carried to the inboard of preventing the seat of flowing backwards 3 from intaking tube seat 4, the baffle 7 right side receives the impact force and outwards rotates this moment, and then can carry normal water and carry, and when the water refluxes, the inboard water of drainage tube seat 5 carries in to gauge stand 1 and preventing the seat of flowing backwards 3, the water carries right and produces an impact force to the left side wall of baffle 7 this moment, make it rotate right, and then make it hug closely in the outside of cistern 9, thereby reach the effect of shutoff to cistern 9, then reach the effect of preventing flowing backwards, thereby can reach the effect of high-efficient preventing flowing backwards under the circumstances that does not change own rotor type water conveying mechanism.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A rotor type backflow-preventing water meter is characterized in that: the rotary vane type impeller comprises a gauge stand (1), wherein a rotary vane type impeller seat (6) is assembled on the inner side of the gauge stand (1), a main body of the rotary vane type impeller seat (6) is an impeller on the inner side of the main body, a counter sleeved with an impeller shaft is arranged in the rotary vane type impeller seat (6), a filter screen seat positioned below the impeller is also arranged in the rotary vane type impeller seat (6), and a dial plate (2) sleeved with the counter in the rotary vane type impeller seat (6) is fixedly arranged on the top of the gauge stand (1);

the anti-backflow gauge is characterized in that a hemispherical anti-backflow seat (3) is fixedly arranged at the bottom of the gauge seat (1), a water inlet pipe seat (4) is fixedly connected to the outer wall of the anti-backflow seat (3), a water drainage pipe seat (5) is fixedly connected to the outer wall of the gauge seat (1), and a baffle disc (7) positioned at the outer side of the end head of the water inlet pipe seat (4) is arranged on the inner side of the anti-backflow seat (3).

2. The rotary-wing backflow prevention water meter according to claim 1, wherein: a liquid groove (9) which is positioned at the outer side of the end head of the water inlet pipe seat (4) and has the same shape is formed in the side wall of the backflow prevention seat (3), and the baffle disc (7) is arranged at the outer side of the liquid groove (9).

3. The rotary-wing backflow prevention water meter according to claim 1, wherein: the anti-backflow seat (3) is characterized in that an axle seat (8) is fixedly arranged on the inner wall of the anti-backflow seat (3), the axle seat (8) is arranged above the liquid tank (9), and the anti-backflow seat (3) is fixedly connected to the top side of the baffle disc (7) through the axle seat (8).

4. The rotary-wing backflow prevention water meter according to claim 1, wherein: the baffle disc (7) is an arc-shaped disc, and the baffle disc (7) is made of plastic materials.

5. The rotary-wing backflow prevention water meter according to claim 1, wherein: the water inlet pipe seat (4) and the water outlet pipe seat (5) are respectively arranged above the left side and below the right side of the gauge stand (1).