CN221325567U

CN221325567U - Spiral double-rotor flowmeter

Info

Publication number: CN221325567U
Application number: CN202322853936.6U
Authority: CN
Inventors: 卢强; 年亚东; 张�浩
Original assignee: Hefei Jingjie Instrument Co ltd
Current assignee: Hefei Jingjie Instrument Co ltd
Priority date: 2023-10-24
Filing date: 2023-10-24
Publication date: 2024-07-12
Anticipated expiration: 2033-10-24

Abstract

The utility model discloses a spiral double-rotor flowmeter, which belongs to the technical field of metering, and comprises a liquid inlet pipe fixedly connected with the outer wall of one side of the flowmeter and the outer wall of the other side of the liquid outlet pipe, wherein an upward elbow is arranged at the tail end of the liquid inlet pipe, a transverse connecting pipe is detachably connected with the tail end of the elbow, a filter plate is arranged on the inner wall of the connecting pipe close to the elbow, an external water source enters the inside of the connecting pipe, a first electromagnetic valve downwards flows into the flowmeter after impurities are filtered by the filter plate, the spiral rotors on two sides rotate and display flow data through a display screen when water passes through the inside of the flowmeter, the rubber sleeve of a shell is attached to the inner wall of an installation cavity, and the outer wall of the filter plate is attached to a first rubber bulge and a second rubber bulge, so that tightness can be increased, the water can not carry impurities through a gap, and the filtering effect is better.

Description

Spiral double-rotor flowmeter

Technical Field

The utility model belongs to the technical field of metering, and particularly relates to a spiral double-rotor flowmeter.

Background

The spiral rotameter is accepted by the market as an advanced positive displacement flowmeter, has the advantages of no pulsation, low noise, high precision, high reliability, large measuring range, small pressure loss, strong viscosity adaptability, capability of measuring high Wengao viscosity liquid and the like, and is widely applied to the commercial trade metering and engineering management control of industrial departments such as petrochemical industry, chemical fiber, traffic, commerce, food, medicine and health and the like.

Through searching, in the prior art, patent application number 202120711643.2 discloses a spiral double-rotor flowmeter, and the influence of external stress of the shell on an internal metering cavity can be effectively reduced by adopting the double-layer shell of the outer shell and the metering cavity. The double-layer shell can play a certain role in noise reduction; the cycloid gear is adopted, and unloading grooves are formed in the end faces of the two spiral rotors, so that clamping stagnation between the upper end face and the lower end face and clamping stagnation between the upper cover and the lower cover can be effectively eliminated when the spiral rotors operate. The resistance of the flowmeter in normal operation is reduced, and the efficiency is improved; the upper cover of the metering cavity is provided with the observation window, so that once a fault occurs, the maintenance and the observation are convenient, a large range in the metering cavity can be seen through the observation window, and the fault cause can be observed without disassembling the metering cavity; the double symmetrically arranged unloading groove structure is adopted, so that the flushing speed of the end face position is improved, the accommodating space is increased, and the screw rotor is prevented from being blocked and cannot work normally after relatively large impurities enter the flowmeter; the unloading grooves with symmetrical structures can enable the contact area between the spiral rotor and the upper cover and the lower cover to be smaller in the rotation process, enable the adhesive force generated between the cover plate and the end face of the spiral rotor due to liquid infiltration to be smaller, and achieve the effects of reducing resistance and improving efficiency.

The technical scheme also has the following defects: only can prevent that great impurity from getting into inside, and little impurity gets into inside between the both sides spiral birotor, produces wearing and tearing to spiral birotor surface easily, leads to flowmeter measurement inaccuracy.

Disclosure of utility model

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a spiral birotor flowmeter, including the flowmeter, the inside of flowmeter is provided with the spiral rotor of symmetry, the display screen is installed to the outer wall of flowmeter, flowmeter one side outer wall fixedly connected with drain pipe opposite side outer wall fixedly connected with feed liquor pipe, the end of feed liquor pipe is provided with ascending elbow, the end of elbow can be dismantled and be connected with horizontal connecting pipe, the one end of connecting pipe is intake, the other end can be dismantled and be connected with the second solenoid valve, the normally closed setting of second solenoid valve, the connecting pipe is close to the inner wall installation filter of elbow, outside water gets into the inside of connecting pipe through the inside of filter with impurity filtration back entering flowmeter.

Further, the connecting pipe inner wall be provided with the installation cavity in the center department of elbow's position, the rubber sleeve has been cup jointed to the filter outer wall, the outer wall and the installation cavity laminating of rubber sleeve make the interior impurity of water unable through the gap department of filter lateral wall and connecting pipe inner wall.

Further, the upper end of the installation cavity is provided with a first rubber bulge, the bottom of the first rubber bulge is provided with a second rubber bulge, and the outer wall of the rubber sleeve, the first rubber bulge and the second rubber bulge are provided with a box, so that impurities in water cannot pass through a gap between the end part of the filter plate and the inner wall of the connecting pipe.

Further, the outer wall of connecting pipe can dismantle and be connected with the motor, the rotation end of motor insert the inside of connecting pipe and can dismantle with the outer wall of filter and be connected, the motor work causes the filter to rotate clockwise in the inside of installation cavity, rotates the face of filter towards the connecting pipe water inlet to the water inlet of connecting pipe dorsad, washes the filter when water passes through.

Further, a first electromagnetic valve is detachably connected between the connecting pipe and the elbow, and the first electromagnetic valve is normally open.

Further, the outlet of the second electromagnetic valve is connected with a first electromagnetic valve matched assembly pipe arranged on other flow meters, so that water inflow of the flow meters is filtered, a third electromagnetic valve is arranged on the outer wall of the assembly pipe, the third electromagnetic valve is normally closed, and slag is discharged when the third electromagnetic valve is opened.

Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

(1) When the device is used, one end of the connecting pipe far away from the second electromagnetic valve is connected with external water supply, the second electromagnetic valve is closed in a conventional state, the first electromagnetic valve is opened in a conventional state, an external water source enters the connecting pipe, impurities are filtered by the filter plate, then flow to the first electromagnetic valve at the lower side and finally enter the flowmeter, when water passes through the flowmeter, the spiral rotors at the two sides rotate and display flow data through the display screen, the rubber sleeve of the filter plate shell is attached to the inner wall of the mounting cavity, and the outer wall of the filter plate is attached to the first rubber bulge and the second rubber bulge, so that the tightness can be improved, the water cannot pass through gaps with the impurities, and the filtering effect is better; after long-time use, the filter plate is more impurity to the surface filtration of the water inlet end of the connecting pipe, the filter plate needs to be cleaned, the motor is started to rotate to drive the filter plate to rotate clockwise in the interior of the connecting pipe during cleaning, the filter plate is enabled to face the filter plate variation of the water inlet direction of the connecting pipe to face the second electromagnetic valve, the first electromagnetic valve is closed and the second electromagnetic valve is opened at the moment, an external water source enters the interior of the connecting pipe, one surface with impurities can be flushed out of the second electromagnetic valve through the filter plate, and accordingly cleaning is more convenient.

Drawings

FIG. 1 is a schematic diagram of a helical dual rotameter according to the present utility model;

FIG. 2 is a schematic diagram of a helical dual rotor flowmeter according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a helical dual rotameter of the present utility model;

fig. 4 is an enlarged schematic view of the structure at a in the present utility model.

The correspondence between the reference numerals and the component names in the drawings is as follows:

1. A flow meter; 2. a screw rotor; 3. a display screen; 4. a liquid outlet pipe; 5. a liquid inlet pipe; 6. a first electromagnetic valve; 7. a connecting pipe; 8. a motor; 9. a second electromagnetic valve; 10. a filter plate; 11. a first rubber protrusion; 12. a second rubber protrusion; 13. and installing the cavity.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. The present utility model provides the following examples.

As shown in fig. 1 to 4, which are schematic diagrams of a structure of a spiral dual-rotor flowmeter according to a preferred embodiment of the present utility model, the spiral dual-rotor flowmeter according to the present embodiment includes a flowmeter 1, symmetrical spiral rotors 2 are disposed in the flowmeter 1, a display screen 3 is mounted on an outer wall of the flowmeter 1, water drives the two-side spiral rotors 2 to rotate between the two-side spiral rotors 2, flow data is converted into flow data through rotation data of the spiral rotors 2 and displayed on the display screen 3, an outer wall of one side of the flowmeter 1 is fixedly connected with a liquid outlet pipe 4, an inlet pipe 5 is fixedly connected with an end of the inlet pipe 5, external water enters the flowmeter 1 through the inlet pipe 5 and flows out from the liquid outlet pipe 4, a first electromagnetic valve 6 is detachably connected to the elbow, the first electromagnetic valve 6 is normally opened, a connection pipe 7 perpendicular to a center line of the first electromagnetic valve 6 is detachably connected to an upper end of the first electromagnetic valve 6, a filter plate 10 is disposed between the connection pipe 7 and the first electromagnetic valve 6, one end of the connection pipe 9 is detachably connected to a second electromagnetic valve 9, the other end of the connection pipe 7 is connected to the outside, and a normally closed water source connection pipe 7 enters the interior through the filter plate 10 and passes through the filter plate 5 and passes through the first electromagnetic valve 6.

Further, the outer wall of the connecting pipe 7 is detachably connected with a motor 8, the rotating end of the motor 8 is inserted into the connecting pipe 7 and is connected with a filter plate 10, excessive impurities remain on the surface of the outer wall of the filter plate 10 facing the water inlet end for a long time, the first electromagnetic valve 6 is closed, the motor 8 is started to rotate so as to drive the filter plate 10 to rotate, the water inlet direction is changed into the direction opposite to the water inlet direction, and impurities are flushed out from the filter plate 10 to open the second electromagnetic valve 9 and are discharged from the second electromagnetic valve 9.

Further, the inner wall that connecting pipe 7 is located first solenoid valve 6 be provided with installation cavity 13, the rubber sleeve has been cup jointed to the outer wall of filter 10, the outer wall of filter 10 is laminated with the inner wall of installation cavity 13, the top fixedly connected with first rubber of connecting pipe 7 inside being located installation cavity 13 inner wall is protruding 11, the protruding 12 of below fixedly connected with second rubber, the outer wall that is close to both ends of filter 10 is laminated with the outer wall that first rubber is protruding 11 and the protruding 12 of second rubber respectively, the rubber sleeve can avoid impurity to pass through between the shell of filter 10 and installation cavity 13, the protruding 11 and installation cavity 13 of first rubber and the shell contact of filter 10 can further increase the leakproofness.

Further, the second electromagnetic valve 9 is connected with the first electromagnetic valve 6 on other flowmeters 1 through an assembling pipe, the outer wall of the assembling pipe is detachably connected with a third electromagnetic valve, the third electromagnetic valve is normally closed, water can be supplied to the two flowmeters 1 when the second electromagnetic valve 9 is opened, water is filtered, a filter plate 10 can provide a filtering effect for the two flowmeters 1, and the filter plate 10 can still be cleaned and deslagged by being matched with the closing of the first electromagnetic valve 6 when the two flowmeters 1 are supplied with water, so that the filter plate 10 can be fully utilized.

Working principle: when the water flow meter is used, one end of the connecting pipe 7 far away from the second electromagnetic valve 9 is connected with external water supply, the second electromagnetic valve 9 is closed in a conventional state, the first electromagnetic valve 6 is opened in a conventional state, an external water source enters the inside of the connecting pipe 7, the first electromagnetic valve 6 which is downward after impurities are filtered by the filter plate 10 flows into the inside of the flowmeter 1, the spiral rotors 2 on two sides rotate and display flow data through the display screen 3 when the water passes through the inside of the flowmeter 1, the rubber sleeve of the shell of the filter plate 10 is attached to the inner wall of the mounting cavity 13, and the outer wall of the filter plate 10 is attached to the first rubber bulge 11 and the second rubber bulge 12, so that the tightness can be improved, the water cannot pass through gaps with impurities, and the filtering effect is better; after long-time use, the surface of the filter plate 10 facing the water inlet end of the connecting pipe 7 filters more impurities, the filter plate 10 needs to be cleaned, and when the filter plate 10 is cleaned, the motor 8 is started to rotate so as to drive the filter plate 10 to rotate clockwise in the connecting pipe 7, so that the filter plate 10 which faces the water inlet direction of the connecting pipe 7 is deformed to face the second electromagnetic valve 9, at the moment, the first electromagnetic valve 6 is closed and the second electromagnetic valve 9 is opened, an external water source enters the interior of the connecting pipe 7, one surface with impurities can be flushed out from the second electromagnetic valve 9 through the filter plate 10, and the filter plate is cleaned more conveniently.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides a spiral birotor flowmeter, a serial communication port, including flowmeter (1), the inside of flowmeter (1) is provided with symmetrical helical rotor (2), display screen (3) are installed to the outer wall of flowmeter (1), flowmeter (1) one side outer wall fixedly connected with drain pipe (4) opposite side outer wall fixedly connected with feed liquor pipe (5), the end of feed liquor pipe (5) is provided with ascending elbow, the end of elbow can be dismantled and be connected with horizontal connecting pipe (7), the one end of connecting pipe (7) is intake, the other end can be dismantled and be connected with second solenoid valve (9), second solenoid valve (9) normal close sets up, filter (10) are installed to the inner wall that connecting pipe (7) are close to the elbow, outside water gets into the inside of flowmeter (1) after impurity filtration through filter (10).

2. The spiral double-rotor flowmeter according to claim 1, wherein the installation cavity (13) is arranged at the position of the inner wall of the connecting pipe (7) at the center of the elbow, the outer wall of the filter plate (10) is sleeved with a rubber sleeve, the outer wall of the rubber sleeve is attached to the installation cavity (13), and impurities in water cannot pass through a gap between the side wall of the filter plate (10) and the inner wall of the connecting pipe (7).

3. The spiral double-rotor flowmeter according to claim 2, wherein the upper end of the installation cavity (13) is provided with a first rubber bulge (11), the bottom of the installation cavity is provided with a second rubber bulge (12), the outer wall of the rubber sleeve is attached to the first rubber bulge (11) and the second rubber bulge (12), and impurities in water cannot pass through a gap between the end part of the filter plate (10) and the inner wall of the connecting pipe (7).

4. A spiral double rotor flowmeter according to claim 2 or 3, wherein the outer wall of the connecting pipe (7) is detachably connected with a motor (8), the rotating end of the motor (8) is inserted into the connecting pipe (7) and detachably connected with the outer wall of the filter plate (10), the motor (8) works to enable the filter plate (10) to rotate clockwise in the mounting cavity (13), the surface of the filter plate (10) facing the water inlet end of the connecting pipe (7) is rotated to the water inlet end facing away from the connecting pipe (7), and the filter plate (10) is washed when water passes through.

5. The helical birotor flowmeter of claim 4, wherein the first solenoid valve (6) is detachably connected between the connecting tube (7) and the elbow, and the first solenoid valve (6) is normally open.

6. The spiral double-rotor flowmeter according to claim 5, wherein the outlet of the second electromagnetic valve (9) is connected with a first electromagnetic valve (6) mounted on other flowmeters (1) in a matched assembly pipe, so as to filter the inflow water of the flowmeters (1), a third electromagnetic valve is mounted on the outer wall of the assembly pipe, the third electromagnetic valve is normally closed, and slag is discharged when the third electromagnetic valve is opened.