CN220437489U - Gear flowmeter - Google Patents

Abstract

The utility model provides a gear flowmeter, which relates to the technical field of flowmeters and comprises a flowmeter body, wherein a fixed plate is fixedly arranged between the inner walls of the flowmeter body, two sealing grooves are formed in the top of the fixed plate, and sealing plates are connected to the inner walls of the two sealing grooves in a sliding mode. According to the utility model, when the flowmeter is used, the stretching handle is pulled downwards in sequence, so that the stretching handle drives the pull rod to pull, at the moment, the pull rod drives the sealing plate to pull downwards, the sealing plate is clamped by the stop block and the rotating gear, so that the sealing plate drives the rotating gear to be pulled downwards in sequence, at the moment, clean water is used for flushing the water inlet pipe, impurities between the two gears can be effectively flushed, and the problem that the gear in the flowmeter cannot rotate due to the fact that the gear can not rotate due to the fact that granular impurities are contained in the liquid during working is solved.

Description

Gear flowmeter

Technical Field

The utility model relates to the technical field of flowmeters, in particular to a gear flowmeter.

Background

The gear flowmeter is a new positive displacement flowmeter, also called Fuda flowmeter in the product catalog, is one of positive displacement flowmeters, is used for precisely and continuously measuring the flow or instantaneous flow of liquid in a pipeline, and is particularly suitable for measuring the flow of high-viscosity media such as heavy oil, polyvinyl alcohol, resin and the like.

Existing, for example, chinese patent publication No.: in CN214308946U, a gear flowmeter is disclosed, the on-line screen storage device comprises a base, the upper end fixed mounting of base has the connecting seat, the both sides of connecting seat all are equipped with the connecting pipe, the one end of connecting pipe is equipped with the sealing ring, the central point of sealing ring puts the joint and has the filter screen, the up end of connecting seat is equipped with the locating piece, the upper end fixed mounting of locating piece has the meter seat, the up end of meter seat is equipped with the spacing groove, the central point of spacing groove puts fixed mounting has the meter, the upper end movable mounting of meter has the meter protective housing. According to the utility model, the connecting seat is convenient for reducing the impact of liquid on the metering device when the gear rotates in the process of protecting the metering device by the metering device seat, rainwater and dust are prevented from entering the metering device by the metering device protective shell, so that the metering device can be overhauled and replaced, and the overall detection precision is effectively ensured.

In the above patent, although rainwater and dust are prevented from entering the metering device through the protection of the metering device protective shell, so that the maintenance and replacement of the metering device are more convenient, and the integral detection precision is ensured, the defect still exists in the patent, the gear flowmeter runs by driving two gears through water flow, if granular impurities contained in liquid during working possibly block the gears, the gears in the flowmeter cannot rotate, and the normal work of the flowmeter is influenced, so that the gear flowmeter is provided for the defect.

Disclosure of Invention

The utility model aims to solve the problem that in the prior art, when working, granular impurities contained in liquid possibly block gears, so that the gears in a flowmeter cannot rotate, and the normal working of the flowmeter is affected.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a gear flowmeter, includes the flowmeter body, fixed mounting has the fixed plate between the inner wall of flowmeter body, two seal grooves have been seted up at the top of fixed plate, two equal sliding connection of inner wall of seal groove has the closing plate, two the top of closing plate all is provided with rotation gear, two the equal fixed mounting in top of rotation gear has the connecting rod, two the bottom of connecting rod runs through closing plate to bottom in a sliding way, two the bottom fixed mounting of connecting rod has the dog, two the equal fixed mounting in bottom of dog has the pull rod, two the bottom of pull rod all slides and runs through flowmeter body to outside, the top of flowmeter body has sealed lid through bolt fixed mounting.

Preferably, the outer surfaces of the two rotating gears are in meshed connection, two limiting grooves are formed in the bottoms of the sealing covers, and limiting blocks are fixedly arranged at the tops of the two rotating gears.

Preferably, the tops of the two limiting blocks are respectively connected with the inner walls of the two limiting grooves in a rotating mode, and limiting springs are arranged at the bottoms of the two sealing plates.

Preferably, the bottom ends of the two limit springs are fixedly connected with the inner bottom surface of the flowmeter body, and the bottom ends of the two pull rods are fixedly provided with stretching handles.

Preferably, four clamping grooves are formed in the bottom of the fixing plate, and two clamping blocks are fixedly mounted on the outer surfaces of the sealing plates.

Preferably, the outer surfaces of the four clamping blocks are respectively connected with the inner walls of the four clamping grooves in a sliding mode, and the outer surfaces of the two sides of the flowmeter body are fixedly communicated with a water inlet pipe.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, when the flowmeter is used, the stretching handle is pulled downwards in sequence, so that the stretching handle drives the pull rod to pull, at the moment, the pull rod drives the sealing plate to pull downwards, the sealing plate is clamped by the stop block and the rotating gear, so that the sealing plate drives the rotating gear to be pulled downwards in sequence, at the moment, clean water is used for flushing the water inlet pipe, impurities between the two gears can be effectively flushed, the problem that the gear in the flowmeter cannot rotate due to the fact that the impurities containing particles possibly clamp the gears in the liquid during working is solved, the stretching handle is loosened after flushing, and under the rebound effect of the limiting spring, the sealing plate is restored between the inner walls of the sealing grooves, wherein the sealing grooves and the sealing plate are just jointed, and the advantage of preventing the liquid from flowing out from a gap during use is achieved.

2. When the sealing device is used, the sealing plate can be clamped between the inner walls of the sealing grooves through the elastic action of the limiting springs, the clamping blocks and the clamping grooves can be clamped, the sealing plate can be effectively prevented from penetrating through the sealing grooves, and in addition, the positions of the two rotating gears can be prevented from being deviated during rotation through rotation limiting between the limiting blocks and the limiting grooves.

Drawings

Fig. 1 is a perspective view of a gear flowmeter according to the present utility model;

FIG. 2 is a cross-sectional perspective view of a gear flow meter according to the present utility model;

FIG. 3 is an exploded perspective view of a gear flow meter according to the present utility model;

fig. 4 is an exploded perspective view showing another angular configuration of a gear flow meter according to the present utility model.

Legend description: 1. a flowmeter body; 2. sealing cover; 3. a water inlet pipe; 4. a pull rod; 5. stretching the handle; 6. rotating the gear; 7. a limiting block; 8. a fixing plate; 9. a stop block; 10. a limit spring; 11. a limit groove; 12. a clamping groove; 13. a connecting rod; 14. a clamping block; 15. sealing grooves; 16. and (5) sealing the plate.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

1, as shown in fig. 1-4, the utility model provides a gear flowmeter, which comprises a flowmeter body 1, wherein a fixed plate 8 is fixedly arranged between the inner walls of the flowmeter body 1, two sealing grooves 15 are formed in the top of the fixed plate 8, sealing plates 16 are slidably connected to the inner walls of the two sealing grooves 15, rotating gears 6 are arranged at the tops of the two sealing plates 16, connecting rods 13 are fixedly arranged at the tops of the two rotating gears 6, the bottom ends of the two connecting rods 13 slidably penetrate through the sealing plates 16 to the bottom, stop blocks 9 are fixedly arranged at the bottom ends of the two connecting rods 13, pull rods 4 are fixedly arranged at the bottom ends of the two stop blocks 9 and slidably penetrate through the flowmeter body 1 to the outside, and sealing covers 2 are fixedly arranged at the top of the flowmeter body 1 through bolts.

The effect that its whole embodiment 1 reached is, when using, at first, make two inlet tubes 3 pass through the ring flange and connect on the equipment that awaits measuring, press and close sealed lid 2, screw at sealed lid 2 top is screwed up in addition, when block impurity between two rotation gears 6, pull tensile handle 5 downwards in proper order, thereby make tensile handle 5 drive pull rod 4 pull, pull rod 4 can drive closing plate 16 pull downwards this moment, grip closing plate 16 through dog 9 and rotation gears 6, thereby make closing plate 16 drive rotation gears 6 and be pulled downwards in proper order, use the clear water to wash to inlet tube 3 this moment, can wash impurity between two gears effectively, the problem that the gear can not rotate and influence the normal work of flowmeter is blocked to the gear that contains granular impurity in the liquid has been solved during operation, loosen tensile handle 5 after the washing, under limit spring 10's resilience effect, closing plate 16 resumes between the inner wall of seal groove 15, wherein be just laminating between seal groove 15 and the closing plate 16, the benefit that liquid from the gap flows out has prevented during the use.

Embodiment 2, as shown in fig. 1-4, the surface meshing connection of two rotation gears 6, two spacing grooves 11 have been seted up to the bottom of sealed lid 2, the top of two rotation gears 6 is all fixed mounting has stopper 7, the top of two stopper 7 is connected with the inner wall rotation of two spacing grooves 11 respectively, the bottom of two closing plates 16 all is provided with spacing spring 10, the bottom of two spacing spring 10 all is fixed connection with the inside bottom surface of flowmeter body 1, the bottom of two pull rods 4 all fixed mounting has tensile handle 5, four draw-in grooves 12 have been seted up to the bottom of fixed plate 8, the surface of two closing plates 16 all fixed mounting has two fixture blocks 14, the surface of four fixture blocks 14 respectively with the inner wall sliding connection of four draw-in grooves 12, the both sides surface of flowmeter body 1 all fixed communication has inlet tube 3.

The effect that its whole embodiment 2 reached is, when using, can realize closing plate 16 block between seal groove 15 inner wall through the elasticity effect of spacing spring 10, and the block between fixture block 14 and the draw-in groove 12 can prevent effectively that closing plate 16 from passing seal groove 15, in addition, through the rotation spacing between stopper 7 and the spacing groove 11, can avoid two rotation gears 6 to produce the skew in the position when rotating.

Working principle: when the sealing device is used, firstly, the two water inlet pipes 3 are connected to equipment to be tested through the flange plate, the sealing cover 2 is pressed and closed, the screws at the top of the sealing cover 2 are screwed down, when impurities are clamped between the two rotating gears 6, the stretching handles 5 are pulled downwards in sequence, so that the stretching handles 5 drive the pull rods 4 to pull the sealing plates 16 downwards, at the moment, the pull rods 4 drive the sealing plates 16 to pull downwards, the sealing plates 16 are clamped through the stop blocks 9 and the rotating gears 6, so that the sealing plates 16 drive the rotating gears 6 to pull downwards in sequence, the water inlet pipes 3 are flushed by clean water, impurities between the two gears can be effectively flushed, the stretching handles 5 are loosened after flushing, under the rebound effect of the limiting springs 10, the sealing plates 16 are restored between the inner walls of the sealing grooves 15, wherein the sealing grooves 15 are just attached to the sealing plates 16, when the sealing plates are used, the sealing plates 16 can be clamped between the inner walls of the sealing grooves 15 through the elastic effect of the limiting springs 10, and the clamping blocks 14 and the clamping grooves 12 can be effectively prevented from penetrating the sealing plates 16.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (6)

1. Gear flowmeter, comprising a flowmeter body (1), characterized in that: fixed mounting has fixed plate (8) between the inner wall of flowmeter body (1), two seal grooves (15) have been seted up at the top of fixed plate (8), two equal sliding connection of inner wall of seal groove (15) has closing plate (16), two the top of closing plate (16) all is provided with rotation gear (6), two the equal fixed mounting in top of rotation gear (6) has connecting rod (13), two the bottom of connecting rod (13) slides and runs through closing plate (16) to the bottom, two the bottom fixed mounting of connecting rod (13) has dog (9), two the equal fixed mounting in bottom of dog (9) has pull rod (4), two the bottom of pull rod (4) all slides and runs through flowmeter body (1) to outside, sealed lid (2) are passed through to the top of flowmeter body (1) through bolt fixed mounting.

2. The gear flow meter of claim 1, wherein: the outer surfaces of the two rotating gears (6) are connected in a meshed mode, two limiting grooves (11) are formed in the bottoms of the sealing covers (2), and limiting blocks (7) are fixedly mounted at the tops of the two rotating gears (6).

3. The gear flow meter of claim 2, wherein: the tops of the two limiting blocks (7) are respectively connected with the inner walls of the two limiting grooves (11) in a rotating mode, and limiting springs (10) are arranged at the bottoms of the two sealing plates (16).

4. A gear flowmeter according to claim 3, characterized in that: the bottom ends of the two limit springs (10) are fixedly connected with the inner bottom surface of the flowmeter body (1), and the bottom ends of the two pull rods (4) are fixedly provided with stretching handles (5).

5. The gear flow meter of claim 1, wherein: four clamping grooves (12) are formed in the bottom of the fixing plate (8), and two clamping blocks (14) are fixedly mounted on the outer surfaces of the two sealing plates (16).

6. The gear flow meter of claim 5, wherein: the outer surfaces of the four clamping blocks (14) are respectively connected with the inner walls of the four clamping grooves (12) in a sliding mode, and the outer surfaces of the two sides of the flowmeter body (1) are fixedly communicated with a water inlet pipe (3).