CN109489743B

CN109489743B - Double-venturi tube

Info

Publication number: CN109489743B
Application number: CN201811128511.6A
Authority: CN
Inventors: 徐宁; 向熹
Original assignee: Siyuan Electric Appliances Co ltd
Current assignee: Siyuan Electric Appliances Co ltd
Priority date: 2018-09-27
Filing date: 2018-09-27
Publication date: 2020-12-04
Anticipated expiration: 2038-09-27
Also published as: CN109489743A

Abstract

The invention belongs to the technical field of double-venturi tubes, and particularly relates to a double-venturi tube which comprises a double-venturi tube body assembly and a cleaning assembly, wherein the double-venturi tube body assembly comprises a cylinder section, a contraction section, a throat, a diffusion section, a connecting piece and a round tube, the contraction section is fixed on one side of the cylinder section, the throat is fixed on one side of the contraction section, the diffusion section is fixed on the other side of the throat, the connecting piece is fixed on one side of the diffusion section, and the round tube is positioned at the bottom of the cylinder section, is close to the connecting piece, and is welded and fixed with the cylinder section; there is the pipe through the bottom intercommunication at the drum section, and the inside of pipe can be dismantled and be connected with the plugging piece to can dismantle in the bottom of pipe and be connected with the apron, can rotate the apron like this on the one hand, dismantle the plugging piece again, then rotate apron and plugging piece and dismantle once more, conveniently observe the inside dirt situation of venturi according to the dirt on plugging piece surface.

Description

Double-venturi tube

Technical Field

The invention belongs to the technical field of double-venturi tube, and particularly relates to a double-venturi tube.

Background

The venturi tube is a device for measuring the fluid pressure difference, is invented by Italian physicist G.B. Venturi, and is named after the name. A venturi is a conduit that first constricts and then gradually enlarges. The pressure difference between the inlet section and the minimum section is measured, and the flow rate can be obtained by using Bernoulli's theorem.

Original venturi tube has certain not enough, because rivers circulate from the inside wall, and the aquatic contains alkaline impurity, and after using for a long time like this, the incrustation scale just can be piled up to the venturi inside wall, influences the measuring accuracy.

Disclosure of Invention

To solve the problems set forth in the background art described above. The invention provides a double-venturi tube which has the characteristics of novel structure, capability of regularly cleaning the inner wall of a venturi tube and convenience in operation.

In order to achieve the purpose, the invention provides the following technical scheme: a double-venturi tube comprises a double-venturi tube body component and a cleaning component, wherein the double-venturi tube body component comprises a cylinder section, a contraction section, a throat, a diffusion section, a connecting piece and a round tube, the contraction section is fixed on one side of the cylinder section, the throat is fixed on one side of the contraction section, the diffusion section is fixed on the other side of the throat, the connecting piece is fixed on one side of the diffusion section, the round tube is positioned at the position, close to the connecting piece, of the bottom of the cylinder section and is welded and fixed with the cylinder section, the cleaning component comprises a blocking block, a cover plate, a vertical rod, a transverse rod, a brush, a first connecting shaft, a driving wheel, a driven wheel and a second connecting shaft, the cover plate is detachable from the lower surface of the round tube, the blocking block is detachable from the upper surface inside of the cover plate, and the vertical rod is positioned on the upper surface of the cover plate, and with the apron can be dismantled and be connected, the top of pole setting is rotated and is had first connecting axle, the top lateral wall of first connecting axle rotates and has the action wheel, one side transmission of action wheel has from the driving wheel, the inside wall from the driving wheel rotates and has the second connecting axle, one side transmission of second connecting axle has the horizontal pole, the lateral wall of horizontal pole is fixed with the brush.

In order to enable the plugging block to be tightly inserted and fixed with the circular tube and prevent water leakage, the preferred technical scheme of the double-venturi tube is that the plugging block comprises a first plugging cylinder, a second plugging cylinder and a circular groove, the first plugging cylinder is located on the inner side wall of the circular tube and is detachably connected with the circular tube, the second plugging cylinder is arranged inside the first plugging cylinder and is fixedly connected with the first plugging cylinder, and the circular groove is located inside the second plugging cylinder and is integrally formed with the second plugging cylinder.

In order to ensure that the plugging block is connected with the circular tube conveniently after being fixed with the cover plate, the plugging block is provided with a short column in the cover plate, and the short column is welded and fixed with the cover plate.

In order to seal the circular tube and prevent water leakage, as a preferred technical scheme of the double-venturi tube, the inner diameter of the cover plate is equal to the outer diameter of the first plugging cylinder, and the outer diameter of the short column is equal to the diameter of the circular groove.

In order to enable the round pipe and the cover plate to be connected more conveniently and to be simple to operate, as a preferred technical scheme of the double-venturi pipe, a first thread is arranged below the outer side wall of the round pipe, and the first thread and the round pipe are integrally formed.

In order to rapidly measure the internal fluid pressure difference, as a preferred technical scheme of the double-venturi tube, guide tubes are welded at the top vertical middle lines of the cylindrical section and the throat.

In order to clean dirt on the inner side of the Venturi tube, the cross bar is composed of a soft rod and a hard block, the second connecting shaft is rotatably arranged at one end of the hard block, the soft rod is fixedly arranged at the other end of the hard block, and the brush is fixedly arranged on the outer side wall of the soft rod.

Compared with the prior art, the invention has the beneficial effects that: there is the pipe through the bottom intercommunication at the drum section, and the inside of pipe can be dismantled and be connected with the shutoff piece, and can dismantle in the bottom of pipe and be connected with the apron, can rotate the apron like this on the one hand, dismantle the shutoff piece again, then dismantle the apron once more with the rotation of shutoff piece, the inside dirt situation of venturi is observed according to the dirt on shutoff piece surface to the convenience, can also link together short column and the pole setting on the apron, buckle the horizontal pole again and fill in venturi inside, like this in venturi outside alright rotate the apron, because the apron links together with the pole setting, rotate like this alright with the pipe inner wall clearance, can reduce the dirt and pile up like this, avoid plugging up the throat, influence measuring accuracy.

Drawings

The accompanying drawings, which 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 principles of the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the structure of a cylinder segment according to the present invention;

FIG. 4 is a schematic view of the connection structure of the plugging block and the cover plate in the present invention;

FIG. 5 is a schematic view of a brush structure according to the present invention;

FIG. 6 is an enlarged view of the structure at A in the present invention;

in the figure: 10. a dual venturi body assembly; 11. a cylinder section; 12. a contraction section; 13. a throat; 14. a diffuser section; 15. a connecting member; 16. a circular tube; 20. cleaning the assembly; 21. a plugging block; 211. a first occlusion cartridge; 212. a second plugging column; 213. a circular groove; 22. a cover plate; 23. erecting a rod; 24. a cross bar; 25. a brush; 26. a first connecting shaft; 27. a driving wheel; 28. a driven wheel; 29. and a second connecting shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-6, the present invention provides a technical solution: a double-Venturi tube comprises a double-Venturi tube body assembly 10 and a cleaning assembly 20, wherein the double-Venturi tube body assembly 10 comprises a cylindrical section 11, a contraction section 12, a throat 13, a diffusion section 14, a connecting piece 15 and a round tube 16, the contraction section 12 is fixed on one side of the cylindrical section 11, the throat 13 is fixed on one side of the contraction section 12, the diffusion section 14 is fixed on the other side of the throat 13, the connecting piece 15 is fixed on one side of the diffusion section 14, the round tube 16 is positioned at the bottom of the cylindrical section 11 and close to the connecting piece 15 and is welded and fixed with the cylindrical section 11, the cleaning assembly 20 comprises a plugging block 21, a cover plate 22, a vertical rod 23, a cross rod 24, a brush 25, a first connecting shaft 26, a driving wheel 27, a driven wheel 28 and a second connecting shaft 29, the cover plate 22 is detachably arranged on the lower surface of the round tube 16, the plugging block 21 is detachably arranged on the inner upper surface of the cover plate 22, the vertical rod 23 is positioned on the upper surface, a first connecting shaft 26 is rotatably arranged above the vertical rod 23, the outer side wall of the top of the first connecting shaft 26 is rotatably provided with a driving wheel 27, a driven wheel 28 is driven on one side of the driving wheel 27, a second connecting shaft 29 is rotatably arranged on the inner side wall of the driven wheel 28, a cross rod 24 is driven on one side of the second connecting shaft 29, and a brush 25 is fixed on the outer side wall of the cross rod 24.

In this embodiment, there is pipe 16 through the bottom intercommunication at circle barrel section 11, and the inside of pipe 16 can be dismantled and be connected with plugging block 21, and can dismantle and be connected with apron 22 in the bottom of pipe 16, so on the one hand can rotate apron 22, dismantle, then dismantle apron 22 and plugging block 21 rotation once more, the inside dirt situation of venturi is observed to the convenient dirt according to the dirt on plugging block 21 surface, can also link together short column and pole setting 23 on the apron 22, buckle horizontal pole 24 inside the venturi in again, outside alright in order to rotate apron 22 at venturi like this, because apron 22 links together with pole setting 23, rotate like this alright to clear up the pipeline inner wall, can reduce the dirt and pile up like this, avoid plugging up throat 13, cause the influence to the measurement.

Specifically, the blocking block 21 includes a first blocking cylinder 211, a second blocking column 212 and a circular groove 213, the first blocking cylinder 211 is located on the inner side wall of the circular tube 16 and detachably connected to the circular tube 16, the second blocking column 212 is arranged inside the first blocking cylinder 211, the second blocking column 212 is fixedly connected to the first blocking cylinder 211, and the circular groove 213 is located inside the second blocking column 212 and integrally formed with the second blocking column 212.

In this embodiment, the second plugging column 212 is cylindrical and made of stainless steel, and the first plugging cylinder 211 is hollow and cylindrical and made of high-quality rubber, and because the rubber has good flexibility and can bear high extrusion strength, the second plugging column 212 can be tightly fixed to the circular tube 16 in a plugging manner to prevent water leakage.

Specifically, the cover plate 22 is provided with a short column inside, and the short column is welded and fixed with the cover plate 22.

In this embodiment, the side view cross-section of the cover plate 22 is a concave structure, the short column is fixed at the central line of the inner upper surface of the cover plate 22, the outer side wall of the short column is provided with a second thread, the second thread can be in threaded connection with the circular groove 213, the disassembly and the fixation are very convenient, and the plugging block 21 is fixed with the cover plate 22 and then connected with the circular pipe 16, which saves trouble and labor.

Specifically, the inner diameter of the cover plate 22 is equal to the outer diameter of the first plugging cylinder 211, and the outer diameter of the short column is equal to the diameter of the circular groove 213.

In this embodiment, the cover plate 22 may be screwed to the first blocking cylinder 211, so as to seal the circular tube 16 and prevent water leakage and inaccurate measurement.

Specifically, a first thread is arranged below the outer side wall of the circular tube 16, and the first thread and the circular tube 16 are integrally formed.

In this embodiment, the third thread is disposed on the inner sidewall of the cover plate 22, so that the circular tube 16 is connected to the cover plate 22 by rotating and inserting, and the connection is completed after several rotations.

Specifically, the top vertical center lines of the cylindrical section 11 and the throat 13 are welded with guide pipes.

In this embodiment, the number of the guide tubes is two, and the main function of the guide tubes is to connect an external measurer for measuring the internal fluid pressure difference.

Specifically, the cross bar 24 is composed of a soft bar and a hard block, one end of the hard block is rotated to form a second connecting shaft 29, the other end of the hard block is fixed with the soft bar, and the outer side wall of the soft bar is fixed with a brush 25.

In this embodiment, soft pole is cylindrically, and the main component material is rubber, so just has good compliance, bending deformation at will, and the whole flat cuboid shape that is of hard piece, second connecting axle 29 is connected to hard piece one end like this, can realize rotating, and inside the soft pole that the other end is connected can be crooked to stretch into venturi, and then through rotating pole setting 23, the soft pole of transmission rotates, and then rotates brush 25, clears up the dirt of venturi inboard like this.

The working principle and the using process of the invention are as follows: after the present invention is installed, one end of the two connecting pieces 15 is connected with the water pipe, so that the fluid pressure difference inside the venturi tube can be measured, the water flows through the venturi tube for a long time, the cover plate 22 at one end of the circular tube 16 can be rotated and disassembled, and then the cover plate 22 and the plugging block 21 can be rotated and disassembled, at the moment, the accumulation degree of dirt on the plugging block 21 can be observed, when the dirt is more, the short columns on the cover plate 22 are connected with the vertical rods 23, and the cross rods 24 are bent and plugged into the venturi tube, so that the cover plate 22 can be rotated outside the venturi tube, because the cover plate 22 is connected with the upright 23, the inner wall of the pipeline can be cleaned by rotating, so that the accumulation of dirt can be reduced, the throat 13 is prevented from being blocked, the measuring device has the advantages that the measuring device is influenced, the inner situation can be observed through the circular tube 16 when the inner part is not required to be cleaned, and the use is convenient.

Finally, it should be noted that: 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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. 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. A dual venturi tube, comprising: including two venturi body subassemblies (10) and clearance subassembly (20), two venturi body subassemblies (10) include drum section (11), contraction section (12), throat (13), diffuser (14), connecting piece (15) and pipe (16), one side of drum section (11) is fixed with contraction section (12), one side of contraction section (12) is fixed with throat (13), the opposite side of throat (13) is fixed with diffuser (14), one side of diffuser (14) is fixed with connecting piece (15), pipe (16) are located the bottom of drum section (11) is close to connecting piece (15) department, and with drum section (11) welded fastening, clearance subassembly (20) are including shutoff piece (21), apron (22), pole setting (23), horizontal pole (24), brush (25), A first connecting shaft (26), a driving wheel (27), a driven wheel (28) and a second connecting shaft (29), the lower surface of the round pipe (16) is detachably provided with the cover plate (22), the upper surface in the cover plate (22) is detachably provided with the plugging block (21), the vertical rod (23) is positioned on the upper surface of the cover plate (22), and is detachably connected with the cover plate (22), the first connecting shaft (26) is rotatably arranged above the upright rod (23), the top outer side wall of the first connecting shaft (26) is provided with the driving wheel (27) in a rotating way, one side of the driving wheel (27) is transmitted with the driven wheel (28), the inner side wall of the driven wheel (28) is rotated with the second connecting shaft (29), the cross bar (24) is driven by one side of the second connecting shaft (29), and the brush (25) is fixed on the outer side wall of the cross bar (24);

the blocking piece (21) includes a first shutoff section of thick bamboo (211), second shutoff post (212) and circular slot (213), a first shutoff section of thick bamboo (211) is located the inside wall of pipe (16), and with the connection can be dismantled to pipe (16), the inside of a first shutoff section of thick bamboo (211) is equipped with second shutoff post (212), second shutoff post (212) with a first shutoff section of thick bamboo (211) fixed connection, circular slot (213) are located the inside of second shutoff post (212), and with second shutoff post (212) integrated into one piece.

2. A double venturi tube according to claim 1, wherein: and a short column is arranged in the cover plate (22), and the short column is welded and fixed with the cover plate (22).

3. A double venturi tube according to claim 2, wherein: the inner diameter of the cover plate (22) is equal to the outer diameter of the first plugging cylinder (211), and the outer diameter of the short column is equal to the diameter of the circular groove (213).

4. A double venturi tube according to claim 1, wherein: a first thread is arranged below the outer side wall of the circular tube (16), and the first thread and the circular tube (16) are integrally formed.

5. A double venturi tube according to claim 1, wherein: and guide pipes are welded at the vertical central lines of the top parts of the cylindrical section (11) and the throat (13).

6. A double venturi tube according to claim 1, wherein: the cross rod (24) is composed of a soft rod and a hard block, one end of the hard block is rotated to form the second connecting shaft (29), the other end of the hard block is fixed with the soft rod, and the outer side wall of the soft rod is fixed with the brush (25).