CN215893711U

CN215893711U - Porous balance flowmeter that leakproofness is high

Info

Publication number: CN215893711U
Application number: CN202122264421.3U
Authority: CN
Inventors: 张少雷; 李海梅
Original assignee: Hebei Wadewell Instrument Co ltd
Current assignee: Hebei Wadewell Instrument Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-02-22
Anticipated expiration: 2031-09-18

Abstract

The utility model relates to the technical field of balance flowmeters, in particular to a porous balance flowmeter with high sealing performance. The sealing structure comprises two grooves, the two grooves are formed in the surface of the straight pipe, the inner walls of the two grooves are fixedly connected with two fixing rods, and the arc surfaces of the two fixing rods are connected with a C-shaped plate in a sliding mode. The problem of traditional balance flow meter can break after long-time use is solved, reduce balance flow meter's sealed effect, to measuring chemical industry liquid because reveal and lead to measured data to have an error, if not change broken sealing washer, not only wasted chemical industry liquid, but also can reduce measured data's accuracy problem.

Description

Porous balance flowmeter that leakproofness is high

Technical Field

The utility model relates to the technical field of balance flowmeters, in particular to a porous balance flowmeter with high sealing performance.

Background

The balance flowmeter is a special differential pressure type flow meter, is most widely applied in the chemical industry field, and is used for measuring the flow of liquid flowing in a pipeline when chemical liquid is produced so as to assist workers to calculate the differential pressure in the pipeline.

However, traditional balance flow meter is in the chemical industry field, after the long-time use of balance flow meter, the sealing washer can be owing to the chemical industry liquid that flows in the straight tube, carry out long-time washing away to the sealing washer, lead to the ruptured condition of sealing washer to take place to reduce balance flow meter's sealed effect, to measuring chemical industry liquid because reveal and lead to measured data to have an error, if not changing ruptured sealing washer, not only wasted chemical industry liquid, but also can reduce measured data's accuracy.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that after long-time use in the prior art, a sealing ring is broken due to long-time scouring of chemical liquid flowing in a straight pipe, the sealing ring is broken, the sealing effect of a balance flowmeter is reduced, errors exist in measured data due to leakage of the measured chemical liquid, and if the broken sealing ring is not replaced, the chemical liquid is wasted, and the accuracy of the measured data is reduced.

In order to achieve the purpose, the utility model adopts the following technical scheme: a porous balance flow meter with high sealing performance comprises a straight pipe, an operation part, a sealing structure and flanges, wherein the operation part is installed on the arc surface of the straight pipe, the flanges are installed at the two ends of the straight pipe, the sealing structure is arranged at the two ends of the straight pipe and comprises two grooves, the two grooves are formed in the surface of the straight pipe, the inner walls of the two grooves are fixedly connected with two fixing rods, the arc surfaces of the two fixing rods are connected with a C-shaped plate in a sliding mode, a sliding rod is inserted into one side, away from the fixing rods, of the C-shaped plate in a sliding mode, a pressure plate is fixedly connected to one end, away from the C-shaped plate, of the sliding rod, a rectangular plate is fixedly connected to the other end of the sliding rod, a sealing ring is movably connected to one side, away from the rectangular plate, of the sealing ring is movably connected with the straight pipe, and after the balance flow meter is used for a long time in the chemical industry field, the sealing washer carries out long-time washing away to the sealing washer because the chemical industry liquid that flows in the straight tube to the sealing washer, can lead to the ruptured condition of sealing washer to take place to reduced balanced flowmeter's sealed effect, to measuring chemical industry liquid because reveal and lead to measured data to have an error, if not changing ruptured sealing washer, not only wasted chemical industry liquid, but also can reduce measured data's accuracy.

Preferably, two the one end fixedly connected with limiting plate that the dead lever is close to the rectangular plate, one side and the sealing washer swing joint that the limiting plate is close to the rectangular plate when needs are changed ruptured sealing washer, when pulling the C shaped plate along the dead lever, carry on spacingly to the C shaped plate, can prevent the C shaped plate roll-off in the recess on the straight tube.

Preferably, the C-shaped plate is far away from the first spring of one side fixedly connected with of dead lever, C-shaped plate one end and pressure disk fixed connection are kept away from to first spring, when the pulling rectangular plate, can provide elasticity to the rectangular plate through first spring, let the rectangular plate carry out the centre gripping to the sealing washer under the effect of elasticity, then install two straight tubes through the flange.

Preferably, the rectangular plate is close to one side fixedly connected with bolt of dead lever, two jacks have been seted up on the surface of sealing washer, and the size of jack and the size looks adaptation of bolt through setting up bolt and jack, and the elasticity of application first spring promotes during the bolt on the rectangular plate inserts the jack on the sealing washer, can prevent better that the sealing washer from taking place to rock in the straight tube.

Preferably, the surface of the operating component is provided with a protective structure, the protective structure comprises a protective frame, the surface of the protective frame is fixedly connected with the operating component, the lower surface of the protective frame is fixedly connected with four support frames, the surface of the protective frame is fixedly connected with a connecting plate, the surface of the connecting plate is fixedly connected with a second spring, one end of the second spring, far away from the connecting plate, is fixedly connected with a sliding plate, the surface of the sliding plate is slidably inserted with an auxiliary rod, one end of the auxiliary rod, far away from the connecting plate, is fixedly connected with an auxiliary plate, one end of the auxiliary rod, far away from the auxiliary plate, is fixedly connected with the connecting plate, the surface of the sliding plate is fixedly connected with a baffle, the surface of the baffle is provided with two pulleys, and by arranging the protective structure, when the balance flowmeter is installed, the extremely important operating component is protected so as to prevent the operating component from being damaged in the installation process, the balance flowmeter can not be normally used, and the service life of the balance flowmeter is reduced.

Preferably, the surface of the connecting plate is slidably inserted with a pull rod, one end of the pull rod, which is far away from the connecting plate, is fixedly connected with the sliding plate, and the pull rod is arranged, so that the second spring can be limited, and the baffle can be moved by pulling the pull rod.

Preferably, one side of the auxiliary plate, which is far away from the auxiliary rod, is rotatably connected with a rotary table, a threaded rod is connected to the surface of the rotary table in a threaded manner, a threaded hole is formed in the surface of the sliding plate, the size of the threaded hole is matched with the size of the threaded rod, and by arranging the rotary table and the threaded rod, when an operation component is not used, the threaded rod is rotated into the threaded hole in the surface of the sliding plate by rotating the threaded rod, so that the baffle is fixed, and the baffle can be prevented from sliding.

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

1. in the utility model, in the chemical field, after a sealing ring in a balance flowmeter is used for a long time, the sealing ring is broken due to corrosion of chemical liquid flowing in a straight pipe, when the broken sealing ring is replaced, a flange connected with the two straight pipes is opened, the two straight pipes are separated, then a pressure plate is pulled, two C-shaped frames are pulled out from two grooves on the surfaces of the straight pipes along the directions of two fixing rods, because one end of each fixing rod is connected with a limiting plate, the C-shaped frames cannot be separated from the grooves, at the moment, a first spring is in a compressed state, when the pressure plate is pulled, a sliding rod slides and drives a rectangular plate, so that bolts on the rectangular plate are taken out from two jacks on the sealing ring, then the broken sealing ring is detached from the straight pipe, and a intact sealing ring is replaced, remove intact sealing washer, make to set up two jacks on its surface and aim at the bolt, loosen first spring, under the effect of elasticity, promote the bolt and insert in the jack, under the effect of elasticity, the C shaped plate also can be impeld in the recess, flange on the straight pipe of rethread at last is installed two straight pipes, through setting up seal structure, change the sealing washer of long-time use, can prevent that the sealing washer from under the washing away of chemical industry liquid, the condition that leads to the sealing washer to break takes place, thereby make chemical industry liquid can not leak out from the straight pipe and lead to measured data to take place the error, chemical industry liquid's waste not only can not cause, and measured data's accuracy has still been improved.

2. In the utility model, when the balance flowmeter is installed, the pull rod on the connecting plate is pulled and pushed, the second spring in a compressed state is pushed to slide along the auxiliary rod to the auxiliary plate under the action of elastic force, when the sliding plate slides to the auxiliary plate and is attached to the auxiliary plate, the threaded rod on the rotary table is rotated, the threaded rod is rotated into the threaded hole on the sliding plate, the baffle plate cannot slide in the installation process, after the installation and when the chemical liquid is measured, the threaded rod on the rotary table is rotated out of the threaded hole on the sliding plate, the pull rod is pulled, the second spring is in a compressed state, at the moment, the pressure plate slides through the pulley under the action of the pull rod, the operating part is protected by arranging the protection structure, and the balance flowmeter can be prevented from being installed and used in daily balance flow timing, operating components on the balance flowmeter are collided, so that the balance flowmeter is damaged, and the service life of the balance flowmeter is prolonged.

Drawings

FIG. 1 is a schematic perspective view of a highly sealed porous balance flowmeter according to the present invention;

FIG. 2 is a schematic structural diagram of a sealing structure of a porous balance flowmeter with high sealing performance according to the present invention;

FIG. 3 is a partially disassembled schematic structural diagram of a sealing structure of a porous balance flowmeter with high sealing performance according to the utility model;

FIG. 4 is a schematic diagram of a highly sealed, porous balance flowmeter according to the present invention, shown at A in FIG. 3;

FIG. 5 is a schematic structural diagram of a protective structure of a porous balance flowmeter with high sealing performance according to the present invention;

fig. 6 is a schematic structural diagram of a porous balance flowmeter with high sealing performance shown in fig. 5B.

Illustration of the drawings: 1. a straight pipe; 2. an operating member; 3. a sealing structure; 301. a groove; 302. fixing the rod; 303. a C-shaped plate; 304. a slide bar; 305. a platen; 306. a rectangular plate; 307. a limiting plate; 308. a first spring; 309. a bolt; 310. a seal ring; 4. a protective structure; 41. a protective frame; 42. a connecting plate; 43. a second spring; 44. a slide plate; 45. an auxiliary lever; 46. an auxiliary plate; 47. a baffle plate; 48. a turntable; 49. a threaded rod; 5. a support frame; 6. a pulley; 7. and (4) a flange.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a porous balanced flow meter that leakproofness is high, includes straight tube 1, operating means 2, seal structure 3 and flange 7, and operating means 2 is installed to the arc surface of straight tube 1, and flange 7 is all installed at the both ends of straight tube 1, and the both ends of straight tube 1 all are equipped with seal structure 3, and seal structure 3 includes two recesses 301, and the surface at straight tube 1 is all seted up to two recesses 301.

The specific arrangement and function of the sealing structure 3 and the shielding structure 4 will be described in detail below.

In this embodiment: the inner walls of the two grooves 301 are fixedly connected with two fixing rods 302, the arc surfaces of the two fixing rods 302 are connected with a C-shaped plate 303 in a sliding manner, one side, away from the fixing rods 302, of the C-shaped plate 303 is inserted with a sliding rod 304 in a sliding manner, one end, away from the C-shaped plate 303, of the sliding rod 304 is fixedly connected with a pressure plate 305, the other end of the sliding rod 304 is fixedly connected with a rectangular plate 306, one side, away from the pressure plate 305, of the rectangular plate 306 is movably connected with a sealing ring 310, one end, away from the rectangular plate 306, of the sealing ring 310 is movably connected with the straight pipe 1, in the field of chemical engineering, after the balance flow meter is used for a long time, the sealing ring 310 is washed for a long time due to chemical liquid flowing in the straight pipe 1, the situation that the sealing ring 310 is broken can be caused, so that the sealing effect of the balance flow meter is reduced, errors exist on the measured data due to leakage of the chemical liquid, if the broken sealing ring 310 is not replaced, not only wastes chemical liquid, but also reduces the accuracy of measured data.

Specifically, two dead levers 302 are close to the one end fixedly connected with limiting plate 307 of rectangular plate 306, and limiting plate 307 is close to one side and sealing washer 310 swing joint of rectangular plate 306, when needs change cracked sealing washer 310, when pulling C type board 303 along dead lever 302, carry on spacingly to C type board 303, can prevent C type board 303 from following the roll-off in the recess 301 on the straight tube 1.

Specifically, a first spring 308 is fixedly connected to a side of the C-shaped plate 303 away from the fixing rod 302, and one end of the first spring 308 away from the C-shaped plate 303 is fixedly connected to the pressure plate 305.

In this embodiment: when the rectangular plate 306 is pulled, the first spring 308 can provide elastic force to the rectangular plate 306, so that the rectangular plate 306 clamps the sealing ring 310 under the action of the elastic force, and then the two straight pipes 1 are installed through the flange 7.

Specifically, one side fixedly connected with bolt 309 that rectangular plate 306 is close to dead lever 302, and two jacks have been seted up on the surface of sealing washer 310, and the size of jack and the size looks adaptation of bolt 309 through setting up bolt 309 and jack, and the elasticity of application first spring 308 is promoting during bolt 309 on the rectangular plate 306 inserts the jack on the sealing washer 310, can prevent better that sealing washer 310 from taking place to rock in straight tube 1.

Specifically, the surface of operating means 2 is equipped with protective structure 4, protective structure 4 includes protecting frame 41, the surface and the operating means 2 fixed connection of protecting frame 41, four support frames 5 of lower fixed surface of protecting frame 41 are connected with, the fixed surface of protecting frame 41 is connected with connecting plate 42, the fixed surface of connecting plate 42 is connected with second spring 43, the one end fixedly connected with slide 44 of connecting plate 42 is kept away from to second spring 43, slide 44's surperficial slip is inserted and is equipped with auxiliary rod 45, the one end fixedly connected with accessory plate 46 of connecting plate 42 is kept away from to auxiliary rod 45, auxiliary rod 45 keeps away from the one end and the connecting plate 42 fixed connection of accessory plate 46, slide 44's fixed surface is connected with baffle 47, the surface mounting of baffle 47 has two pulleys 6.

In this embodiment: through setting up protective structure 4, when installing balanced flowmeter, protect its very important operating means 2 to operating means 2 suffers damage at the in-process of installation, leads to balanced flowmeter can not normal use, thereby has reduced balanced flowmeter's life.

Specifically, a pull rod is slidably inserted into the surface of the connecting plate 42, one end of the pull rod, which is far away from the connecting plate 42, is fixedly connected with the sliding plate 44, and by arranging the pull rod, the second spring 43 can be limited, and the baffle 47 can be moved by pulling the pull rod.

Specifically, a rotating disc 48 is rotatably connected to one side of the auxiliary plate 46, which is far away from the auxiliary rod 45, a threaded rod 49 is connected to the surface of the rotating disc 48 in a threaded manner, a threaded hole is formed in the surface of the sliding plate 44, and the size of the threaded hole is matched with the size of the threaded rod 49.

In this embodiment: by providing the dial 48 and the threaded rod 49, when the operation member 2 is not used, the threaded rod 49 is rotated to rotate the threaded rod 49 into the threaded hole on the surface of the slide plate 44, and the stopper 47 is fixed, thereby preventing the stopper 47 from sliding.

The working principle is as follows: when the broken seal ring 310 is replaced, the flange 7 connected with the two straight pipes 1 is opened, the two straight pipes 1 are separated, then the pressure plate 305 is pulled, the two C-shaped frames are pulled out from the two grooves 301 on the surface of the straight pipe 1 along the direction of the two fixing rods 302, because one end of the fixing rod 302 is connected with the limit plate 307, the C-shaped frames cannot be separated from the grooves 301, at the moment, the first spring 308 is in a compressed state, when the pressure plate 305 is pulled, the sliding rod 304 slides and drives the rectangular plate 306, the pins 309 on the rectangular plate 306 are taken out from the two insertion holes on the seal ring 310, then the broken seal ring 310 is detached from the straight pipe 1, the intact seal ring 310 is replaced, the intact seal ring 310 is moved, the two insertion holes on the surface of the intact seal ring are aligned with the pins 309, the first spring 308 is loosened, under the action of elastic force, pushing the plug 309 to insert into the jack, pushing the C-shaped plate 303 into the groove 301 under the action of elastic force, finally installing the two straight pipes 1 through the flanges 7 on the straight pipes 1, pulling and pushing the pull rod on the connecting plate 42 when installing the balance flowmeter, so that the second spring 43 in a compressed state pushes the sliding plate 44 to slide along the auxiliary rod 45 toward the auxiliary plate 46 under the action of elastic force, when the sliding plate 44 slides to the auxiliary plate 46 and is attached to the auxiliary plate 46, rotating the threaded rod 49 on the rotary disc 48, rotating the threaded rod 49 into the threaded hole on the sliding plate 44, so that the baffle 47 cannot slide in the installation process, after installing and when measuring chemical liquid, rotating the threaded rod 49 on the rotary disc 48, so that the threaded rod 49 rotates out from the threaded hole on the sliding plate 44, pulling the pull rod, so that the second spring 43 is in a compressed state, at this time, the pressing plate slides through the pulley 6 under the action of the pull rod.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. The utility model provides a porous balanced flowmeter that leakproofness is high, includes straight tube (1), operating means (2), seal structure (3) and flange (7), operating means (2) are installed to the arc surface of straight tube (1), flange (7), its characterized in that are all installed at the both ends of straight tube (1): the two ends of the straight pipe (1) are respectively provided with a sealing structure (3), the sealing structure (3) comprises two grooves (301), the two grooves (301) are respectively arranged on the surface of the straight pipe (1), the inner walls of the two grooves (301) are respectively fixedly connected with two fixing rods (302), the arc surfaces of the two fixing rods (302) are respectively connected with a C-shaped plate (303) in a sliding manner, a sliding rod (304) is inserted into one side of the C-shaped plate (303) far away from the fixed rod (302) in a sliding way, one end of the sliding rod (304) far away from the C-shaped plate (303) is fixedly connected with a pressing plate (305), the other end of the sliding rod (304) is fixedly connected with a rectangular plate (306), one side of the rectangular plate (306) far away from the pressure plate (305) is movably connected with a sealing ring (310), one end, far away from the rectangular plate (306), of the sealing ring (310) is movably connected with the straight pipe (1).

2. The highly sealed porous balance flowmeter of claim 1, wherein: one end of each fixing rod (302) close to the rectangular plate (306) is fixedly connected with a limiting plate (307), and one side of each limiting plate (307) close to the rectangular plate (306) is movably connected with the sealing ring (310).

3. The highly sealed porous balance flowmeter of claim 1, wherein: one side, far away from the fixed rod (302), of the C-shaped plate (303) is fixedly connected with a first spring (308), and one end, far away from the C-shaped plate (303), of the first spring (308) is fixedly connected with the pressing plate (305).

4. The highly sealed porous balance flowmeter of claim 1, wherein: one side fixedly connected with bolt (309) that rectangular plate (306) is close to dead lever (302), two jacks have been seted up on the surface of sealing washer (310), the size of jack and the size looks adaptation of bolt (309).

5. The highly sealed porous balance flowmeter of claim 1, wherein: the surface of the operating component (2) is provided with a protective structure (4), the protective structure (4) comprises a protective frame (41), the surface of the protective frame (41) is fixedly connected with the operating component (2), the lower surface of the protective frame (41) is fixedly connected with four support frames (5), the surface of the protective frame (41) is fixedly connected with a connecting plate (42), the surface of the connecting plate (42) is fixedly connected with a second spring (43), one end, far away from the connecting plate (42), of the second spring (43) is fixedly connected with a sliding plate (44), an auxiliary rod (45) is slidably inserted into the surface of the sliding plate (44), one end, far away from the connecting plate (42), of the auxiliary rod (45) is fixedly connected with an auxiliary plate (46), one end, far away from the auxiliary plate (46), of the auxiliary rod (45) is fixedly connected with the connecting plate (42), and the surface of the sliding plate (44) is fixedly connected with a baffle plate (47), two pulleys (6) are arranged on the surface of the baffle (47).

6. The highly sealed porous balance flowmeter of claim 5, wherein: a pull rod is inserted on the surface of the connecting plate (42) in a sliding manner, and one end of the pull rod, which is far away from the connecting plate (42), is fixedly connected with the sliding plate (44).

7. The highly sealed porous balance flowmeter of claim 5, wherein: one side, far away from the auxiliary rod (45), of the auxiliary plate (46) is rotatably connected with a rotary table (48), a threaded rod (49) is connected to the surface of the rotary table (48) in a threaded mode, a threaded hole is formed in the surface of the sliding plate (44), and the size of the threaded hole is matched with that of the threaded rod (49).