CN214333907U

CN214333907U - Rotor flow meter with corrosion-resistant function

Info

Publication number: CN214333907U
Application number: CN202120527975.5U
Authority: CN
Inventors: 周东祥
Original assignee: Jiangsu Rundong Instrument Technology Co ltd
Current assignee: Jiangsu Rundong Instrument Technology Co ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-10-01
Anticipated expiration: 2031-03-12

Abstract

The utility model belongs to the technical field of rotameter, a rotameter with corrosion-resistant function is disclosed. This rotor flow meter with corrosion resisting function, the utility model discloses a following technical scheme realizes: the utility model provides a rotameter with corrosion-resistant function, is responsible for the body including the flowmeter, the flowmeter is responsible for the equal fixedly connected with flange in top and bottom of the body, the flowmeter is responsible for the one end of the middle part fixedly connected with installation pipe in the external side of body, the other end fixedly connected with guard box of installation pipe, the inside of guard box is provided with the reading screen. This rotameter with corrosion-resistant function, through the anticorrosive coating of conical tube, cross fixed plate one, cross fixed plate two, locating lever and the spraying of the rotor outside can improve the inside corrosion protection nature of rotameter, has prolonged the life of equipment, makes this rotameter's application range wider.

Description

Rotor flow meter with corrosion-resistant function

Technical Field

The utility model relates to a rotameter's technical field specifically is a rotameter with corrosion-resistant function.

Background

The rotameter measures the flow of fluid according to the throttling principle, but it changes the flow area of the fluid to keep the pressure difference between the top and bottom of the rotor constant, so it is also called variable flow area constant differential pressure flowmeter, also called float flowmeter, and the rotameter relies on the advantages of small pressure loss and large detection range, and becomes a very common flow measuring instrument in industrial control, it not only is convenient to use, but also has the advantages of strong compatibility, etc. The device is particularly suitable for medium flow measurement with low flow speed and small flow. The rotor flowmeter has a local display type and an intelligent remote transmission type, and has various forms of pointer display, instantaneous flow, accumulated flow, liquid crystal display, upper and lower limit alarm output, accumulated pulse output, standard two-wire 4-20mA current output and the like, thereby providing a very wide selection space for users. In addition, the instrument adopts a high-quality MCU micro-processing system, so that the excellent performance of the rotameter in various application places is ensured, and various excellent performances and reliability of the rotameter and better performance-price ratio are widely favored by industries such as petrifaction, steel, electric power, metallurgy, light industry and the like for many years.

At present, the rotor flow meter in the market is difficult to achieve the corrosion resisting function, so that the use of the rotor flow meter is influenced, the service life of the rotor flow meter is shortened, meanwhile, the internal pressure can be increased and difficult to release when the ordinary rotor flow meter measures high-temperature fluid, and the damage can be caused to bring inconvenience to a user.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rotor flow meter with corrosion resisting function, this rotor flow meter with corrosion resisting function has effectively solved the problem that hardly accomplish the anticorrosion function and hardly release internal pressure, brings more interests for the user.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a rotor flow meter with a corrosion resistance function comprises a flow meter main pipe body, wherein flanges are fixedly connected to the top and the bottom of the flow meter main pipe body, one end of an installation pipe is fixedly connected to the middle of the outer side of the flow meter main pipe body, the other end of the installation pipe is fixedly connected with a protection box, a reading screen is arranged inside the protection box, a conical pipe is arranged inside the flow meter main pipe body, a first cross fixing plate is fixedly connected to the top end of the conical pipe, a second cross fixing plate is clamped to the bottom end of the conical pipe, a first sealing ring is fixedly connected to the inner wall of the flow meter main pipe body, the inner side of the first sealing ring is fixedly installed on the outer side of the conical pipe, the upper surface of the first sealing ring is installed on the lower surface of the top flange, one end of a positioning rod is fixedly connected to the lower surface of the first cross fixing plate, and the other end of the positioning rod is fixedly connected to the upper surface of the second cross fixing plate, the outer side of the positioning rod is movably sleeved with a rotor, a pressure release cavity is formed by a cavity between the main pipe body of the flowmeter and the conical pipe, the left side of the main pipe body of the flowmeter is fixedly connected with a second sealing ring, the second sealing ring is movably sleeved with a spiral rod, and the left side of the spiral rod is fixedly connected with a handle.

Preferably, the left side of the flowmeter main pipe body is provided with a through hole corresponding to the spiral rod, and the through hole is provided with an internal thread corresponding to the external thread on the spiral rod.

Preferably, the middle part of the rotor is provided with a through hole matched with the positioning rod, and the diameter of the through hole is eight millimeters larger than that of the positioning rod.

Preferably, the outer sides of the first cross fixing plate, the second cross fixing plate, the positioning rod and the rotor are sprayed with anti-corrosion coatings, the inner wall of the conical tube is also sprayed with the same anti-corrosion coatings, and the anti-corrosion coatings can be epoxy resin anti-corrosion coatings or polyurethane anti-corrosion coatings.

Preferably, the first cross fixing plate and the second cross fixing plate are both provided with four fan-shaped through holes.

Preferably, the external threads of the sealing ring corresponding to the outer sides of the screw rods are provided with matched internal threads.

By adopting the technical scheme, the beneficial effects of the utility model are that:

1. this rotameter with corrosion-resistant function, through the anticorrosive coating of conical tube, cross fixed plate one, cross fixed plate two, locating lever and the spraying of the rotor outside can improve the inside corrosion protection nature of rotameter, has prolonged the life of equipment, makes this rotameter's application range wider.

2. This rotameter with corrosion-resistant function utilizes the cooperation of the pressure release chamber that sets up, handle and hob to use, when measuring high temperature fluid, can make inside pressure faster disperse away, prevents that pressure is too high and damage the flowmeter and cause unnecessary loss.

Drawings

FIG. 1 is a front view of the present invention;

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

fig. 3 is a cross-sectional view taken along line a-a of fig. 2 according to the present invention.

In the figure: the flowmeter comprises a flowmeter main pipe body 1, a flange 2, an installation pipe 3, a protection box 4, a reading screen 5, a sealing ring I6, a conical pipe 7, a cross fixing plate I8, a cross fixing plate II 9, a positioning rod 10, a rotor 11, a pressure release cavity 12, a sealing ring II 13, a screw rod 14 and a handle 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a rotor flow meter with a corrosion resistance function comprises a flow meter main pipe body 1, wherein the left side of the flow meter main pipe body 1 is provided with a through hole which is matched with a spiral rod 14 correspondingly, the through hole is provided with an inner thread which is matched with an outer thread on the spiral rod 14 correspondingly, the top and the bottom of the flow meter main pipe body 1 are both fixedly connected with flanges 2, the middle part of the outer side of the flow meter main pipe body 1 is fixedly connected with one end of an installation pipe 3, the other end of the installation pipe 3 is fixedly connected with a protection box 4, a reading screen 5 is arranged inside the protection box 4, a conical pipe 7 is arranged inside the flow meter main pipe body 1, the top end of the conical pipe 7 is fixedly connected with a cross fixing plate I8, the bottom end of the conical pipe 7 is clamped with a cross fixing plate II 9, the cross fixing plate I8 and the cross fixing plate II 9 are both provided with four fan-shaped through holes, and the inner wall of the flow meter main pipe body 1 is fixedly connected with a sealing ring I6, inboard fixed mounting of sealing ring 6 is in the outside of conical duct 7, the upper surface mounting of sealing ring 6 is at the lower surface of top flange 2, the lower fixed surface of cross fixed plate 8 is connected with the one end of locating lever 10, the other end fixed connection of locating lever 10 is at the upper surface of cross fixed plate two 9, rotor 11 has been cup jointed in the outside activity of locating lever 10, the through-hole of looks adaptation is seted up to the middle part of rotor 11 corresponding locating lever 10, and the diameter of through-hole is eight millimeters greater than the diameter of locating lever 10, cross fixed plate one 8, cross fixed plate two 9, the outside of locating lever 10 and rotor 11 all is sprayed and is had the anticorrosion coating, and the inner wall of conical duct 7 also has sprayed the same anticorrosion coating, the anticorrosion coating can adopt epoxy anticorrosion coating or polyurethane anticorrosion coating, through conical duct 7, cross fixed plate one 8, cross fixed plate two 9, the outer surface mounting of cross fixed plate 7, The anticorrosion coating sprayed on the outer sides of the positioning rod 10 and the rotor 11 can improve the anticorrosion performance inside the rotameter, the service life of equipment is prolonged, the application range of the rotameter is wider, the pressure release cavity 12 is formed in a cavity between the flowmeter main pipe body 1 and the conical pipe 7, the sealing ring II 13 is fixedly connected to the left side of the flowmeter main pipe body 1, the internal thread matched with the external thread on the outer side of the screw rod 14 corresponding to the sealing ring II 13 is formed, the screw rod 14 is movably sleeved on the sealing ring II 13, the handle 15 is fixedly connected to the left side of the screw rod 14, the pressure release cavity 12 is arranged, the handle 15 and the screw rod 14 are matched for use, when high-temperature fluid is measured, the internal pressure can be quickly diffused, and unnecessary loss caused by the fact that the flowmeter is damaged due to overhigh pressure is prevented.

When the rotameter with the corrosion resistance function works, fluid enters the conical tube through the second cross fixing plate 9, the rotor 11 can be lifted or lifted to reach a fluid flow value when the flow rate of the fluid reaches a certain value, however, the corrosion resistance inside the rotameter can be improved through the anticorrosive coatings sprayed on the outer sides of the conical tube 7, the first cross fixing plate 8, the second cross fixing plate 9, the positioning rod 10 and the rotor 11, when the internal pressure is high, the spiral rod 14 can be rotated out of the main tube body 1 of the rotameter through the rotating handle 15, so that the pressure inside the pressure release cavity 12 is released quickly, the purpose of protecting the rotameter is achieved, and the service life of equipment is prolonged.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rotameter with corrosion-resistant function, is responsible for body (1) including the flowmeter, the flowmeter is responsible for the equal fixedly connected with flange (2) in top and the bottom of body (1), the flowmeter is responsible for the one end of middle part fixedly connected with installation pipe (3) in the body (1) outside, the other end fixedly connected with guard box (4) of installation pipe (3), the inside of guard box (4) is provided with reading screen (5), its characterized in that: the flowmeter is characterized in that a conical tube (7) is arranged inside a flowmeter main tube body (1), a first cross fixing plate (8) is fixedly connected to the top end of the conical tube (7), a second cross fixing plate (9) is clamped at the bottom end of the conical tube (7), a first sealing ring (6) is fixedly connected to the inner wall of the flowmeter main tube body (1), the inner side of the first sealing ring (6) is fixedly installed on the outer side of the conical tube (7), the upper surface of the first sealing ring (6) is installed on the lower surface of a top flange (2), one end of a positioning rod (10) is fixedly connected to the lower surface of the first cross fixing plate (8), the other end of the positioning rod (10) is fixedly connected to the upper surface of the second cross fixing plate (9), a rotor (11) is movably sleeved on the outer side of the positioning rod (10), and a pressure release cavity (12) is formed by a cavity between the flowmeter main tube body (1) and the conical tube (7), the left side fixedly connected with sealing ring two (13) of flowmeter main pipe body (1), hob (14) have been cup jointed in sealing ring two (13) activity, the left side fixedly connected with handle (15) of hob (14).

2. The rotameter having a corrosion resistance function as set forth in claim 1, wherein: the left side of the flowmeter main pipe body (1) is provided with a through hole corresponding to the spiral rod (14), and the through hole is provided with an internal thread corresponding to the external thread on the spiral rod (14).

3. The rotameter having a corrosion resistance function as set forth in claim 1, wherein: the middle part of the rotor (11) is provided with a through hole matched with the positioning rod (10), and the diameter of the through hole is eight millimeters larger than that of the positioning rod (10).

4. The rotameter having a corrosion resistance function as set forth in claim 1, wherein: the outer sides of the first cross fixing plate (8), the second cross fixing plate (9), the positioning rod (10) and the rotor (11) are all sprayed with anti-corrosion coatings, the inner wall of the conical tube (7) is also sprayed with the same anti-corrosion coatings, and the anti-corrosion coatings can be epoxy resin anti-corrosion coatings or polyurethane anti-corrosion coatings.

5. The rotameter having a corrosion resistance function as set forth in claim 1, wherein: and the first cross fixing plate (8) and the second cross fixing plate (9) are provided with four fan-shaped through holes.

6. The rotameter having a corrosion resistance function as set forth in claim 1, wherein: and the second sealing ring (13) is provided with matched internal threads corresponding to the external threads on the outer side of the screw rod (14).