CN213543680U

CN213543680U - Elliptic gear flowmeter

Info

Publication number: CN213543680U
Application number: CN202022878818.7U
Authority: CN
Inventors: 李光涛
Original assignee: Zhuhai Aier Instrument Co ltd
Current assignee: Zhuhai Aier Instrument Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-06-25
Anticipated expiration: 2030-12-02

Abstract

The utility model discloses an elliptic gear flowmeter, which comprises a shell and is characterized in that one side of the shell is fixedly provided with a water outlet, the other side of the shell is fixedly provided with a water inlet, the other side of the water inlet, which is far away from the shell, is sleeved with a flange, the flange is sleeved with a water inlet pipe, the water inlet is connected with the water inlet pipe through a flange bolt, the water inlet pipe is internally provided with a filter body, the upper end surface of the shell is provided with a locking connecting buckle, a connecting rod is sleeved on the locking connecting buckle, a flow meter is fixedly arranged at the top of the connecting rod, a single-time zeroing valve is arranged at one side of the flow meter, a pointer zero return valve is arranged right below the single zero return valve, a blow-off pipe is arranged at the bottom of the shell, a rubber pad is arranged between the sewage draining pipe and the shell, a transparent glass ball cover is arranged at the bottom of the sewage draining pipe, and the glass ball cover is toughened glass, and the device is novel in design, simple structure is worth extensively promoting.

Description

Elliptic gear flowmeter

Technical Field

The utility model relates to an oval gear flowmeter technical field specifically is an oval gear flowmeter.

Background

An elliptic gear flowmeter is also called a displacement flowmeter, belongs to one type of volumetric flowmeters, and is a type of flowmeter with higher precision. It uses mechanical measuring element to continuously divide the fluid into single known volume portion, and measures the total flow volume according to the times of filling and discharging the volume portion fluid successively and repeatedly, and is applicable to the flow metering work of chemical industry, petroleum, medicine, electric power, metallurgy and food industry departments.

There is little clearance between current oval gear and the measurement chamber, when the liquid that measures has solid tiny particle, can't deposit in the clearance department of measurement chamber bottom along with the solid tiny particle of liquid outflow export, when accumulating to a certain amount, solid particle can be dead with oval gear card to can't measure the flow. Can only open the measurement cavity and clean through the strapping table of dismantling measurement chamber front side, it wastes time and energy to operate, secondly often also contain the tiny solid particle in the fluid and be difficult to clear away, therefore we improve this, provide a novel oval gear flowmeter.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to an elliptic gear flowmeter, which comprises a housin, casing one side fixed mounting has the delivery port, the opposite side fixed mounting of casing has the water inlet, the water inlet is equipped with the flange at the opposite side cover of keeping away from the casing, the cover is equipped with the inlet tube on the flange, just the water inlet passes through flange bolted connection with the inlet tube, be provided with the filter body in the inlet tube, locking connection buckle has been seted up to the casing up end, just the cover is equipped with the connecting rod on the locking connection buckle, the top fixed mounting of connecting rod has the flowmeter table, one side of flowmeter table is provided with the single valve that returns to zero, just be provided with the pointer valve that returns to zero under the single valve.

As an optimal technical scheme of the utility model, the blow off pipe has been seted up to the bottom of casing, just be provided with the rubber pad between blow off pipe and the casing, the bottom of blow off pipe is provided with transparent glass ball cover, just glass ball cover is toughened glass.

As an optimal technical scheme of the utility model, the inside installation cavity that is provided with of casing, just install oval gear in the installation cavity, just oval gear laminates with the inside of installation cavity mutually.

As a preferred technical scheme of the utility model, the filter body is the medium separation filter screen, just the medium separation filter screen is the solid-liquid filter screen.

As a preferred technical scheme of the utility model, set up flutedly on the inlet pipe outer wall, just install the groove door in the recess, groove door and groove connection department are provided with the sealing washer.

As an optimal technical scheme of the utility model, the inlet tube is provided with the sealing washer with flange joint department, just the sealing washer is the TPV material.

As an optimized technical scheme of the utility model, the elliptic gear adopts PPS material or metal material to make.

The utility model has the advantages that:

1. according to the elliptic gear flowmeter, the drain pipe is arranged at the bottom of the shell, the rubber pad is arranged between the drain pipe and the shell, the transparent glass ball cover is arranged at the bottom of the drain pipe and is made of toughened glass, solid particles accumulated in the shell can be observed through the transparent glass ball cover arranged at the bottom, when more solid particles exist in the glass ball cover, the shell can be opened to clean the inside of the shell, and the service life of the elliptic gear is prolonged;

2. according to the elliptic gear flowmeter, the groove is formed in the outer wall of the water inlet pipe, the groove door is arranged in the groove, the sealing ring is arranged at the joint of the groove door and the groove, the filter body can be conveniently taken out of the water inlet pipe through the design of the groove door, the cleaning is convenient, the sealing performance of connection between pipe fittings can be improved through the design of the sealing ring, and further the practicability of the device is improved;

3. this kind of elliptic gear flowmeter has seted up the lock joint through the terminal surface on the casing, and the cover is equipped with the connecting rod on the lock joint, and the top fixed mounting of connecting rod has the flowmeter table, and one side of flowmeter table is provided with the single valve that returns to zero, and is provided with the pointer valve that returns to zero under the single valve that returns to zero, and the cooperation of single valve and the pointer valve that returns to zero is used, improves the convenience of this kind of device.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a perspective view of an oval gear flow meter of the present invention;

fig. 2 is an exploded view of an oval gear flow meter of the present invention;

fig. 3 is a plan view of an oval gear flow meter of the present invention.

In the figure: 1. a housing; 2. a water outlet; 3. a water inlet; 4. a flange; 5. a filter body; 6. a water inlet pipe; 7. locking the connecting buckle; 8. a connecting rod; 9. a flow meter; 10. a blow-off pipe; 11. a glass ball cover; 12. installing a chamber; 13. an elliptical gear; 14. a groove; 15. a single return-to-zero valve; 16. the pointer is a zero valve.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-3, the utility model relates to an elliptic gear flowmeter, which comprises a

housin

1, 1 one side fixed mounting of casing has delivery port 2, the opposite side fixed mounting of casing 1 has water inlet 3, water inlet 3 is equipped with flange 4 at the opposite side cover of keeping away from casing 1, the cover is equipped with inlet tube 6 on the flange 4, and water inlet 3 passes through flange 4 bolted connection with inlet tube 6, be provided with filter body 5 in the inlet tube 6, locking connection buckle 7 has been seted up to casing 1 up end, and the cover is equipped with connecting rod 8 on the locking connection buckle 7, connecting rod 8's top fixed mounting has flowmeter table 9, one side of flowmeter table 9 is provided with single zero return valve 15, and be provided with pointer zero return valve 16 under single zero return valve 15.

Wherein, the blow off pipe 10 has been seted up to casing 1's bottom, and is provided with the rubber pad between blow off pipe 10 and the casing 1, and the bottom of blow off pipe 10 is provided with transparent glass ball cover 11, and glass ball cover 11 is toughened glass, and transparent glass ball cover 11 through the bottom installation can observe the solid particle of praise in the middle of casing 1, can open casing 1 when the solid particle in glass ball cover 11 is more and clear up inside, helps and observes.

Wherein, casing 1 is inside to be provided with installation cavity 12, and installs oval gear 13 in the installation cavity 12, and oval gear 13 laminates mutually with the inside of installation cavity 12, improves oval gear's precision.

The filter body 5 is a medium separation filter screen, and the medium separation filter screen is a solid-liquid filter screen which can filter out solid particles in the fluid.

Wherein, set up fluted 14 on the inlet tube 6 outer wall, and install the slot door in the recess 14, the slot door is provided with the sealing washer with recess 14 junction, and the design of slot door can conveniently be taken out filtering body 5 from the middle of inlet tube 6, conveniently washs.

Wherein, inlet tube 6 and flange 4 junction are provided with the sealing washer, and the sealing washer is the TPV material, and the TVP material has powerful and pliable and tough characteristic.

The elliptic gear 13 is made of PPS (polyphenylene sulfide) material or metal material, so that the service life of the elliptic gear 13 is prolonged.

The working principle is as follows: the oval gear flowmeter checks the integrity of each component before use, after the situation that no fault is found is confirmed, a filter body 5 is placed in a water inlet pipe 6, the water inlet pipe 6 is in bolted connection with a water inlet 3 through a flange 4, a fluid to be detected is communicated on the water inlet pipe 6, when the fluid is detected to enter the filter body 5, solid particles in the fluid can be preliminarily filtered, the fluid enters an installation cavity 12 and drives an oval gear 13 to rotate, the oval gear 13 is used for measuring the volume total amount of flow according to the times that a metering chamber is filled with and discharges the partial fluid of the volume part one by one and repeatedly, data is fed back to a flowmeter 9, a worker can read out the current numerical value through the flowmeter 9, the solid particles in the fluid in the initial step of the filter body 5, a small amount of solid particles can enter the installation cavity 12 along with the fluid, and the solid particles can be accumulated at the bottom of the installation cavity 12 along with the rotation of the, because the influence of the gravity of the solid particles can be praised in the glass ball cover 11, the solid particles in the installation cavity 12 can be cleaned in advance by observing the amount of the solid particles in the glass ball cover 11, so that the service life of the elliptic gear 13 can be prolonged, when the equipment needs to be reset to zero, the single reset to zero 15 on one side of the flow meter 9 and the pointer reset to zero valve 16 are pressed, and the equipment is novel in design and simple in structure and is worthy of wide popularization.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An elliptic gear flowmeter comprises a shell (1) and is characterized in that a water outlet (2) is fixedly arranged at one side of the shell (1), a water inlet (3) is fixedly arranged on the other side of the shell (1), a flange (4) is sleeved on the other side of the water inlet (3) far away from the shell (1), a water inlet pipe (6) is sleeved on the flange (4), the water inlet (3) is connected with the water inlet pipe (6) through a flange (4) by bolts, a filter body (5) is arranged in the water inlet pipe (6), a locking connecting buckle (7) is arranged on the upper end surface of the shell (1), a connecting rod (8) is sleeved on the locking connecting buckle (7), a flowmeter (9) is fixedly installed at the top of the connecting rod (8), a single-time zero return valve (15) is arranged on one side of the flowmeter (9), and a pointer zero return valve (16) is arranged right below the single zero return valve (15).

2. The elliptic gear flowmeter of claim 1, characterized in that a sewage pipe (10) is arranged at the bottom of the casing (1), a rubber pad is arranged between the sewage pipe (10) and the casing (1), a transparent glass ball cover (11) is arranged at the bottom of the sewage pipe (10), and the glass ball cover (11) is made of toughened glass.

3. Oval gear flow meter according to claim 1, characterized in that a mounting chamber (12) is provided inside the housing (1), and an oval gear (13) is mounted inside the mounting chamber (12), and the oval gear (13) is attached to the inside of the mounting chamber (12).

4. Elliptical gear flow meter according to claim 1, characterized in that the filter body (5) is a media separation screen and the media separation screen is a solid-liquid screen.

5. The elliptic gear flowmeter of claim 1, characterized in that the outer wall of the water inlet pipe (6) is provided with a groove (14), a slot door is arranged in the groove (14), and a sealing ring is arranged at the joint of the slot door and the groove (14).

6. The elliptic gear flowmeter of claim 1, characterized in that a sealing ring is arranged at the joint of the water inlet pipe (6) and the flange (4), and the sealing ring is made of TPV (thermoplastic vulcanizate).

7. Oval gear flow meter according to claim 1, characterized in that said oval gear (13) is made of PPS material or metal material.