CN215677175U

CN215677175U - Thermal gas mass flow meter convenient to connect

Info

Publication number: CN215677175U
Application number: CN202121903770.9U
Authority: CN
Inventors: 邹建明; 于字会
Original assignee: Weihai Weiliu Measurement And Control Instrument Co ltd
Current assignee: Weihai Weiliu Measurement And Control Instrument Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-01-28
Anticipated expiration: 2031-08-13

Abstract

The utility model discloses a conveniently-connected thermal gas mass flowmeter which comprises a shell, wherein an observation shell is fixedly arranged below the shell, a mounting pipe is fixedly arranged at the position of a lower edge opening of the observation shell, a connector is fixedly arranged at one end of the mounting pipe, a connecting pipe is fixedly arranged at the position, close to the center, of the lower surface of the shell, a data display is fixedly embedded in the shell, a locking nut is arranged at the position, close to the lower end opening, of the connecting pipe in a threaded manner, a detection pipe is fixedly arranged at the lower end of the connecting pipe, and a temperature detector is fixedly arranged in the detection pipe. According to the conveniently-connected thermal gas mass flowmeter, the problem that whether the air leakage exists at the joint of equipment cannot be rapidly detected can be solved through the arranged observation shell and the arranged detection paper, and the problem that the equipment is inconvenient to install can be solved through the arranged connector and adapting to pipelines with different diameters.

Description

Thermal gas mass flow meter convenient to connect

Technical Field

The utility model relates to the field of flowmeters, in particular to a thermal gas mass flowmeter convenient to connect.

Background

The thermal gas mass flowmeter is an instrument for measuring gas flow by utilizing a thermal diffusion principle, comprises a data display, an installation pipe and the like, is installed on a pipeline to be detected, has a better detection effect and is lower in power consumption; there is certain drawback current hot type gas mass flowmeter when using, current hot type gas mass flowmeter, adopt detachable design more, receive the influence of factors such as atmospheric pressure, the easy not hard up gas leakage of test tube and installation union coupling position, and whether the joint department of unable quick test equipment test tube and installation pipe leaks gas during the use, equipment itself is difficult for the installation in addition, the mode that adopts flange joint usually is in the same place with the pipeline is fixed, the pipeline of different diameters size can't be adapted to this kind of mode, for this reason, we provide a hot type gas mass flowmeter who conveniently connects.

Disclosure of Invention

The utility model mainly aims to provide a thermal gas mass flowmeter convenient to connect, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a hot type gas mass flow meter of convenient connection, includes the shell, shell below fixed mounting has the observation shell, it has the installation pipe to observe shell lower limb mouth fixed mounting, installation pipe one end fixed mounting has the connector.

Preferably, the shell lower surface is close to central point and puts fixed mounting and have the connecting pipe, the inside embedding fixed mounting of shell has data display, the connecting pipe is close to end opening position screw thread installation down and has lock nut, connecting pipe lower extreme fixed mounting has the test tube, the inside fixed mounting of test tube has thermodetector, thermodetector one side fixed mounting has speed detector, thermodetector, speed detector and data display electric connection.

Preferably, it has the end cover to observe edge mouth fixed mounting on the shell, the end cover upper surface is close to central point and puts and has seted up the through-hole, it has the rubber buffer to observe shell surface to be close to central point and put embedding movable mounting, it has the mount pad to observe shell internal surface to be close to lower limb position screw thread mounting, the mount pad surface is close to lower limb position fixed mounting has the fixed block, the fixed block is close to central point and puts and has seted up the screw, the inside embedding movable mounting of mount pad has the supporting disk, the supporting disk upper surface is close to the equal fixed mounting of border position and has the support, the supporting disk upper surface has placed detection paper.

Preferably, the diameter of the through hole is larger than that of the detection tube, the detection tube penetrates through the observation shell, the detection tube is connected and conducted with the installation tube, and the connecting tube is in threaded connection with the detection tube through the locking nut.

Preferably, the connecting hole has been seted up to the terminal surface of connector free end, the inside inlet port that has seted up of connector, the inside fixed mounting of connecting hole has first screwed pipe, the one end of first screwed pipe is sealed, just the marginal position that first screwed pipe wall is close to the blind end has seted up the hole, the inside fixed mounting of first screwed pipe has the second screwed pipe, second screwed pipe surface threaded connection has fixation nut, fixation nut one side just is located the last surface movable mounting of second screwed pipe has the rubber packing ring, rubber packing ring lower fixed surface installs the inserted bar.

Preferably, the number of the connecting holes is four, the diameters of the connecting holes are from large to small, the air inlet hole is communicated with the connecting holes, and the second threaded pipe is in threaded connection with the first threaded pipe.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, through the arranged observation shell, the rubber plug arranged on the outer surface of the observation shell can be pulled out, and water drips inwards, so that whether the joint position leaks air or not can be reflected through the arranged detection paper, in addition, the detection paper can be kept balanced through the arranged support plate, the subsequent observation is convenient, and the problem that whether the joint of the equipment leaks air or not can not be quickly detected is solved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic view of the overall structure of a conveniently connected thermal gas mass flowmeter of the present invention;

FIG. 2 is a schematic view of a disassembled structure of an observation shell of a conveniently connected thermal gas mass flow meter according to the present invention;

FIG. 3 is a schematic view of a half-section of a connector of a thermal gas mass flow meter of the present invention for easy connection;

fig. 4 is a schematic diagram of a first screwed pipe split structure of a thermal gas mass flowmeter convenient for connection according to the utility model.

In the figure: 1. a housing; 101. a connecting pipe; 102. a data display; 103. locking the nut; 104. a detection tube; 2. observing the shell; 201. an end cap; 202. a rubber plug; 203. a mounting seat; 204. a fixed block; 205. a screw hole; 206. a support disc; 207. a support; 208. detecting the paper; 3. installing a pipe; 4. a connector; 401. connecting holes; 402. an air inlet; 403. a first threaded pipe; 404. a hole; 405. a second threaded pipe; 406. fixing a nut; 407. a rubber gasket; 408. and (4) inserting the rod.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, the thermal gas mass flowmeter convenient to connect comprises a shell 1, an observation shell 2 is fixedly installed below the shell 1, a mounting pipe 3 is fixedly installed at the position of a lower edge opening of the observation shell 2, and a connector 4 is fixedly installed at one end of the mounting pipe 3.

A connecting pipe 101 is fixedly arranged on the lower surface of the shell 1 close to the central position, a data display 102 is fixedly embedded in the shell 1, a locking nut 103 is screwed on the position of the connecting pipe 101 close to the lower port, a detecting pipe 104 is fixedly arranged at the lower end of the connecting pipe 101, a temperature detector is fixedly arranged in the detecting pipe 104, a speed detector is fixedly arranged on one side of the temperature detector, and the temperature detector, the speed detector and the data display 102 are electrically connected; an end cover 201 is fixedly installed at the position of an upper edge opening of an observation shell 2, a through hole is formed in the upper surface of the end cover 201 close to the central position, a rubber plug 202 is embedded into the outer surface of the observation shell 2 close to the central position, an installation seat 203 is installed on the inner surface of the observation shell 2 close to the lower edge position in a threaded manner, a fixed block 204 is fixedly installed on the outer surface of the installation seat 203 close to the lower edge position, a screw hole 205 is formed in the fixed block 204 close to the central position, the installation seat 203 can be fixed on the upper surface of an installation pipe 3 through the screw hole 205 in a matched manner with fixing pieces such as a stud, a supporting plate 206 is placed inside the installation seat 203, supports 207 are fixedly installed on the upper surfaces of the supporting plates 206 close to the edge positions, detection paper 208 is placed on the upper surfaces of the supporting plates 206, the supports 207 can limit the positions of the detection paper 208, the rubber plug 202 installed on the outer surface of the observation shell 2 can be pulled out, water drips inwards, and can pass through the detection paper 208, whether the joint position leaks air or not is reflected, and the additionally arranged supporting disc 206 can keep the balance of the detection paper 208, so that subsequent observation is facilitated; the diameter of a through hole of the end cover 201 is larger than that of the detection tube 104, the detection tube 104 penetrates through the end cover 201 to penetrate through the observation shell 2, the tail end of the detection tube 104 is arranged inside the installation tube 3, the junction of the detection tube 104 is welded and sealed, the middle part of the detection paper 208 is annular, a hole is formed in the middle part of the detection paper 208, the detection tube 104 penetrates through the hole in the surface of the detection paper 208, so that the detection tube 104 is connected and communicated with the installation tube 3, and the connecting tube 101 is in threaded connection with the detection tube 104 through the locking nut 103; the end face of the free end of the connector 4 is provided with a connecting hole 401, the connector 4 is internally provided with an air inlet 402, the connecting hole 401 is internally and fixedly provided with a first threaded pipe 403, one end of the first threaded pipe 403 is closed, the edge position of the pipe wall of the first threaded pipe 403 close to the closed end is provided with a hole 404, the first threaded pipe 403 is internally and fixedly provided with a second threaded pipe 405, the outer surface of the second threaded pipe 405 is in threaded connection with a fixing nut 406, the upper surface of one side of the fixing nut 406 and positioned on the second threaded pipe 405 is movably provided with a rubber gasket 407, the lower surface of the rubber gasket 407 is fixedly provided with an inserting rod 408, the upper surface of the connector 4 is provided with connecting holes 401 with different diameters for adapting to pipelines with different diameters, and the first threaded pipe 403 arranged in the connecting hole 401 can control the depth of the first threaded pipe 403 inserted into the connecting hole 401 to control the conduction of air, the external pipeline can be fixed through the matching of a second threaded pipe 405, a rubber washer 407 and a fixing nut 406; the number of the connecting holes 401 is four, the diameter of the connecting holes 401 is reduced from large to small, the air inlet holes 402 are communicated with the connecting holes 401, and the second threaded pipe 405 is in threaded connection with the first threaded pipe 403.

It should be noted that, the utility model is a thermal gas mass flowmeter convenient for connection, when in use, firstly, the device is installed on a pipeline to be detected through a connector 4, the connector 4 and the installation pipe 3 can be connected by screw threads, the connector 4 can be matched with one group of two connectors, one connector is installed at the input end of the installation pipe 3, the other connector is installed at the output end of the installation pipe 3, the upper surface of the connector 4 is provided with connection holes 401 with diameters from large to small, a first screw pipe 403 and a second screw pipe 405 are installed inside each connection hole 401 and can be used for installing pipelines with different diameters, the first screw pipe installed inside the connection hole 401 can control the gas conduction through controlling the depth of the first screw pipe inserted into the connection hole 401 and leaking or covering the hole 404, and can also be matched with a fixing nut 406 through the second screw pipe 405, a rubber washer 407 and the second screw pipe 405, the external pipeline is fixed, the external pipeline is inserted into the second threaded pipe 405, the fixing nut 406 is rotated, the second threaded pipe 405 is slightly deformed to clamp the external pipeline, the rubber gasket 407 can prevent the fixing nut 406 from excessively rotating to damage the second threaded pipe 405, the connection mode belongs to the ferrule connection mode and is mainly used for an aluminum-plastic composite pipe, so that the problem of inconvenience in equipment installation is solved, the rubber plug 202 mounted on the outer surface of the observation shell 2 is pulled out and drips inwards, the drips are dripped onto the detection paper 208 and generate chemical reaction with the detection paper 208, whether the joint position leaks or not can be reflected through the color of the detection paper 208, the detection paper 208 can be kept balanced by the support plate 206 additionally arranged, the subsequent observation is facilitated, the problem that whether the joint of the equipment leaks or not can not be quickly detected is solved, and the equipment detects the gas flow through the internal temperature detector and the speed detector, the temperature detector used is a temperature sensor RMG and the velocity sensor used is a velocity sensor RH.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a hot type gas mass flow meter who conveniently connects which characterized in that: including shell (1), shell (1) below fixed mounting has observation shell (2), it has installation pipe (3) to observe shell (2) lower limb mouth fixed mounting, installation pipe (3) one end fixed mounting has connector (4).

2. A conveniently connected thermal gas mass flow meter according to claim 1, characterized in that: shell (1) lower surface is close to central point and puts fixed mounting there is connecting pipe (101), the inside embedding fixed mounting of shell (1) has data display (102), connecting pipe (101) are close to port position screw thread down and install lock nut (103), connecting pipe (101) lower extreme fixed mounting has detecting tube (104), the inside fixed mounting of detecting tube (104) has thermodetector, thermodetector one side fixed mounting has speed detector, thermodetector, speed detector and data display (102) electric connection.

3. A conveniently connected thermal gas mass flow meter according to claim 2, characterized in that: observe shell (2) top edge mouth fixed mounting and have end cover (201), end cover (201) upper surface is close to central point and puts and has seted up the through-hole, it has rubber buffer (202) to observe shell (2) surface to be close to central point and put embedding movable mounting, it has mount pad (203) to observe shell (2) internal surface to be close to lower limb position screw thread, mount pad (203) surface is close to lower limb position fixed mounting and has fixed block (204), fixed block (204) are close to central point and put and have seted up screw (205), mount pad (203) inside embedding movable mounting has supporting disk (206), supporting disk (206) upper surface is close to the equal fixed mounting of border position and has support (207), supporting disk (206) upper surface has placed detection paper (208).

4. A conveniently connected thermal gas mass flow meter according to claim 3, wherein: the diameter of through-hole is greater than detection tube (104) diameter, detection tube (104) pass observe shell (2), detection tube (104) with installation pipe (3) are connected and are switched on, connecting pipe (101) pass through lock nut (103) with detection tube (104) threaded connection.

5. A conveniently connected thermal gas mass flow meter according to claim 1, characterized in that: the end surface of the free end of the connector (4) is provided with a connecting hole (401), the interior of the connector (4) is provided with an air inlet hole (402), a first threaded pipe (403) is fixedly arranged in the connecting hole (401), one end of the first threaded pipe (403) is closed, and the edge of the pipe wall of the first threaded pipe (403) close to the closed end is provided with a hole (404), a second threaded pipe (405) is fixedly arranged in the first threaded pipe (403), one end of the second threaded pipe (405) is in threaded connection with the inner surface of the first threaded pipe (403), a fixed nut (406) is installed on the upper surface of the second threaded pipe (405) in a threaded manner, and one side of the fixing nut (406) is positioned on the surface of the second threaded pipe (405), a rubber gasket (407) is movably arranged on the surface of the second threaded pipe, and an insert rod (408) is fixedly arranged on the lower surface of the rubber gasket (407).

6. A conveniently connected thermal gas mass flow meter according to claim 5, wherein: the number of the connecting holes (401) is four, the diameter of the connecting holes (401) is from large to small, the air inlet holes (402) are communicated with the connecting holes (401), and the second threaded pipe (405) is in threaded connection with the first threaded pipe (403).