CN209820553U - Prevent hot type gas mass flow meter of leakage - Google Patents

Abstract

The utility model discloses a prevent gaseous mass flow meter of hot type of leakage, including trachea, solid fixed ring and shunt tubes, the bottom tube is installed to the intermediate position of trachea bottom, and solid fixed ring is installed to the intermediate position of trachea outside bottom, and the flow detection meter is installed on the top in the solid fixed ring outside, and the output of flow detection meter installs the exit tube of ventilating, the shunt tubes is installed to the intermediate position on trachea top, and the rubber circle is all installed to the both sides of shunt tubes, and the intermediate position that shunt tubes one side was kept away from to the rubber circle installs the resistance to compression body. The utility model discloses a keep away from the intermediate position of rubber circle one side at the resistance to compression body and install the reposition of redundant personnel circle, the top and the bottom of reposition of redundant personnel circle inside wall one side all install the shelves tooth, the inboard reposition of redundant personnel circle of shelves tooth all is provided with the reposition of redundant personnel hole, has realized that the device can lead to the gaseous evenly distributed of the hot type that the trachea is inside to get into, prevents to let in the inside gas of trachea and leads to atmospheric pressure too strong, damages tracheal inside wall, increases the life of device.

Description

Prevent hot type gas mass flow meter of leakage

Technical Field

The utility model relates to a flowmeter technical field specifically is a prevent hot type gas mass flow meter of leakage.

Background

The thermal gas mass flowmeter is more and more widely used in production and life, and the general thermal gas mass flowmeter has the prominent characteristics that: no moving parts; the thermal type gas mass flowmeter has the advantages of small pressure loss, wide range ratio, high reliability, simple installation, convenient operation and the like, but the gas flowmeter used in China at present has the problems of small range ratio, inaccurate measured data and the like, and in addition, the thermal type gas mass flowmeter also has other problems and defects, and the method is concretely characterized in that:

1. in the traditional gas mass flowmeter, the inner side wall of the gas pipe is damaged due to over-strong gas pressure of introduced gas, so that the service life of the device is shortened;

2. the traditional gas mass flowmeter is inconvenient to disassemble and assemble, wastes the disassembling time of the device and reduces the practicability of the device;

3. the traditional gas mass flowmeter cannot synchronously separate the generated liquid and gas, so that the accuracy of measured data is reduced, and the detection efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a leakproof thermal gas mass flowmeter, which solves the problems that the air pressure for introducing gas in the prior art is too strong to damage the inner side wall of an air pipe and shorten the service life of the device; inconvenient dismantlement installation has wasted the time that the device was dismantled, has reduced the problem of the practicality of device.

In order to achieve the above object, the utility model provides a following technical scheme: a leakproof thermal gas mass flow meter comprises a gas pipe, a fixing ring and a shunt pipe, wherein a bottom pipe is installed at the middle position of the bottom end of the gas pipe, the fixing ring is installed at the middle position of the bottom end of the outer side of the gas pipe, a flow detector is installed at the top end of the outer side of the fixing ring, an air outlet pipe is installed at the output end of the flow detector, the shunt pipe is installed at the middle position of the top end of the gas pipe, rubber rings are installed on two sides of the shunt pipe, a compression-resistant pipe body is installed at the middle position of one side, away from the shunt pipe, of the rubber ring, a shunt ring is installed at the middle position of one side, away from the rubber ring, gear teeth are installed at the top end and the bottom end of one side, away from the shunt pipe, of the shunt, and one side of the connecting block, which is far away from the shunt ring, is provided with an outer fixing ring.

Preferably, the trachea is hollow structure, and the both sides at trachea top are central line symmetry structure, and the shunt tubes at trachea top are hollow structure.

Preferably, two ports are arranged at the bottom of the shunt tube, the two ports at the bottom of the shunt tube penetrate through the trachea, and the diameters of the two ports at the bottom of the shunt tube are smaller than the diameter of the inside of the trachea.

Preferably, the diffluence hole is circular, the diffluence hole is equal to the inner diameter of the diffluence ring, and the outer side wall of the diffluence hole is connected with the inner side wall of the diffluence ring.

Preferably, the top and the bottom of outer retainer plate inboard all are provided with the plate washer, and the inside intermediate position of outer retainer plate is provided with the cardboard, and the cardboard is kept away from the inside intermediate position of outer retainer plate and is installed the pivot, and the handle is all installed to the position all around in the pivot outside.

Preferably, the bottom tube is of a hollow structure, the bottom tube is communicated with the interior of the air tube, the top ends of the bottom tube are uniformly provided with water dripping holes, and the top ends of the interior of the water dripping holes are provided with water dripping grooves.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) according to the gas mass flowmeter, the shunting ring is arranged in the middle of one side, away from the rubber ring, of the compression-resistant pipe body, the blocking teeth are arranged at the top end and the bottom end of one side of the inner side wall of the shunting ring, and the shunting holes are formed in the shunting ring inside the blocking teeth, so that hot gas entering the interior of a gas pipe can be uniformly distributed by the device, the phenomenon that the gas pressure introduced into the gas pipe is too strong, the inner side wall of the gas pipe is damaged, and the service life of the device is prolonged is avoided;

(2) according to the gas mass flowmeter, the top end and the bottom end of the inner side of the outer fixing ring are respectively provided with the baffle plate, the clamping plate is arranged at the middle position inside the outer fixing ring, the middle position of the clamping plate, which is far away from the inside of the outer fixing ring, is provided with the rotating shaft, and the surrounding positions outside the rotating shaft are respectively provided with the handle, so that the device has the function of being convenient to disassemble and assemble;

(3) this kind of gas mass flow meter, through being hollow structure at the bottom tube, the bottom tube link up with trachea inside, and the top of bottom tube all evenly is provided with the hole that drips, and the inside top in hole that drips is provided with the recess that drips, has realized the device at the in-process that uses, has placed the bottom tube through in tracheal bottom, can be with liquid and gas separation, reinforcing measured data's accurate nature, improvement detection efficiency.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic rear view of the present invention;

FIG. 3 is a schematic view of the side view and sectional structure of the trachea of the present invention;

fig. 4 is a schematic view of the cross-sectional structure of the shunt ring of the present invention;

fig. 5 is a schematic side view of the outer retainer ring of the present invention.

In the figure: 1. an air tube; 2. a fixing ring; 201. a flow detector; 202. an air outlet pipe; 3. a shunt tube; 301. a rubber ring; 302. a compression-resistant pipe body; 4. a shunt ring; 401. gear teeth; 402. a shunt hole; 5. a connecting pipe; 501. connecting blocks; 502. an outer retainer ring; 503. a baffle plate; 504. clamping a plate; 505. a handle; 506. a rotating shaft; 6. a bottom tube; 601. a water dripping hole; 602. a water dripping groove.

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.

Referring to fig. 1-5, the present invention provides an embodiment: a leakproof thermal gas mass flowmeter comprises an air pipe 1, a fixing ring 2 and a shunt pipe 3, wherein a bottom pipe 6 is arranged in the middle of the bottom end of the air pipe 1, the bottom pipe 6 is of a hollow structure, the bottom pipe 6 is communicated with the inside of the air pipe 1, water dripping holes 601 are uniformly formed in the top ends of the bottom pipe 6, water dripping grooves 602 are formed in the top ends of the water dripping holes 601, the bottom pipe 6 is placed at the bottom end of the air pipe 1, liquid and gas can be separated, the accuracy of measured data is enhanced, and the detection efficiency is improved;

the middle position of the bottom end of the outer side of the air pipe 1 is provided with a fixing ring 2, the top end of the outer side of the fixing ring 2 is provided with a flow detector 201, the type of the flow detector 201 can be FP57-015FD, the air pipe 1 is of a hollow structure, two sides of the top of the air pipe 1 are of a central line symmetrical structure, and the shunt pipe 3 at the top of the air pipe 1 is of a hollow structure, so that the device has a bidirectional partial pressure structure;

the output end of the flow detector 201 is provided with an air outlet pipe 202, the middle position of the top end of the air pipe 1 is provided with a flow dividing pipe 3, two sides of the flow dividing pipe 3 are provided with rubber rings 301, the middle position of one side of the rubber rings 301 far away from the flow dividing pipe 3 is provided with a pressure-resistant pipe body 302, the bottom of the flow dividing pipe 3 is provided with two ports, the two ports at the bottom of the flow dividing pipe 3 penetrate through the air pipe 1, the diameter of the two ports at the bottom of the flow dividing pipe 3 is smaller than that of the inside of the air pipe 1, and the;

the middle position of one side, far away from the rubber ring 301, of the compression-resistant pipe body 302 is provided with the shunt ring 4, the top end and the bottom end of one side of the inner side wall of the shunt ring 4 are provided with the blocking teeth 401, shunt holes 402 are arranged inside the shunt ring 4 on the inner side of the blocking teeth 401, the shunt holes 402 are circular, the shunt holes 402 are equal to the inner diameter of the shunt ring 4, the outer side wall of each shunt hole 402 is connected with the inner side wall of the shunt ring 4, and the phenomenon that gas introduced into the gas pipe 1 causes over-strong air pressure, the inner side wall of the gas pipe 1 is;

connecting pipe 5 is installed to the intermediate position that shunt tubes 3 one side was kept away from to shunt circle 4, connecting pipe 5 is kept away from shunt circle 4 one end and is installed connecting block 501, and connecting block 501 keeps away from shunt circle 4 one side and installs outer retainer plate 502, the inboard top of outer retainer plate 502 and bottom all are provided with plate 503, the inside intermediate position of outer retainer plate 502 is provided with cardboard 504, cardboard 504 keeps away from the inside intermediate position of outer retainer plate 502 and installs pivot 506, and handle 505 is all installed to the position all around in the pivot 506 outside.

The working principle is as follows: when the device is used, the outer pipe is connected with the device through two ends of the outer fixing ring 502, the clamping plate 504 is enabled to rotate by the rotating shaft 506 by retracting the handle 505, in the rotating process, the limiting plates protruding around the clamping plate 504 are clamped with the inner part of the baffle 503, the device is convenient to disassemble the connecting pipe 5, gas is connected into the connecting pipe 5, the gas enters the shunt pipe 3 through the pressure-resistant pipe body 302 and the rubber ring 301, meanwhile, the rubber ring 301 can effectively prevent gas leakage, the practicability of the device is enhanced, when the gas passes through the shunt ring 4, the gas can be shunted in two equal parts through the mutual matching of the baffle teeth 401 and the shunt holes 402, the internal gas pressure of the device is equalized, the gas is divided into two equal parts through the bottom end of the shunt pipe 3 and enters the inner part of the gas pipe 1, when the gas enters the fixing ring 2, the gas flow is detected through the flow detector, finally, the detection is finished by outputting through the vent outlet pipe 202.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a prevent gaseous mass flow meter of hot type of leakage, includes trachea (1), solid fixed ring (2) and shunt tubes (3), its characterized in that: bottom tube (6) is installed to the intermediate position of trachea (1) bottom, solid fixed ring (2) is installed to the intermediate position of trachea (1) outside bottom, flow detection meter (201) is installed on the top in solid fixed ring (2) outside, and the output of flow detection meter (201) installs discharge tube (202) of ventilating, shunt tubes (3) are installed to the intermediate position on trachea (1) top, rubber circle (301) are all installed to the both sides of shunt tubes (3), and rubber circle (301) keep away from the intermediate position of shunt tubes (3) one side and install resistance to compression body (302), resistance to compression body (302) keep away from the intermediate position of rubber circle (301) one side and install reposition of redundant personnel circle (4), shelves tooth (401) are all installed to the top and the bottom of reposition of redundant personnel circle (4) inside shunt opening (402) that all is provided with of shelves tooth (401) inboard reposition of redundant personnel, shunt tubes (3) one side is kept away from in shunt tubes (4) intermediate position and is installed connecting pipe (5), and connecting pipe (5) are kept away from the one end of shunt tubes (4) and are installed connecting block (501), and connecting block (501) keep away from one side of shunt tubes (4) and install outer retainer plate (502).

2. A leak resistant thermal gas mass flowmeter as set forth in claim 1 wherein: trachea (1) are hollow structure, and the both sides at trachea (1) top are central line symmetrical structure, and shunt tubes (3) at trachea (1) top are hollow structure.

3. A leak resistant thermal gas mass flowmeter as set forth in claim 1 wherein: shunt tubes (3) bottom is provided with two ports, and two ports of shunt tubes (3) bottom all run through in the inside of trachea (1), and the diameter of two ports of shunt tubes (3) bottom is less than trachea (1) inside diameter.

4. A leak resistant thermal gas mass flowmeter as set forth in claim 1 wherein: the shunting holes (402) are circular, the diameter of the shunting holes (402) is equal to that of the inner part of the shunting ring (4), and the outer side walls of the shunting holes (402) are connected with the inner side walls of the shunting ring (4).

5. A leak resistant thermal gas mass flowmeter as set forth in claim 1 wherein: the top and the bottom of outer retainer plate (502) inboard all are provided with plate washer (503), and the inside intermediate position of outer retainer plate (502) is provided with cardboard (504), and pivot (506) are installed to the inside intermediate position of outer retainer plate (502) is kept away from in cardboard (504), and handle (505) are all installed to the position all around in the pivot (506) outside.

6. A leak resistant thermal gas mass flowmeter as set forth in claim 1 wherein: bottom tube (6) are hollow structure, and bottom tube (6) link up with trachea (1) is inside, and the top of bottom tube (6) all evenly is provided with drip hole (601), and the inside top of drip hole (601) is provided with water dripping groove (602).