CN219573162U - Gas flow meter with gas leakage detection device - Google Patents

Abstract

The utility model relates to a gas flow meter with a gas leakage detection device, which comprises a gas transmission pipeline body, a gas flow meter body sleeved at the bottom of the gas transmission pipeline body, a gas inlet arranged at the top of the gas flow meter body and a detection device body arranged in the gas inlet, wherein two opposite outer walls of the gas transmission pipeline body are respectively provided with a clamping groove, two opposite mounting grooves are formed in the gas flow meter body, threaded assemblies are arranged in the two mounting grooves, and two ends, close to the two threaded assemblies, of the two threaded assemblies are respectively clamped with the two clamping grooves. Through the rotation of two screw rods, make two thread bushes can be stable with two draw-in grooves looks joint to make gaseous roots flowmeter body reach the effect of stable installation on gas transmission pipeline body, through the spring, make spacing tooth can be stable mesh mutually with the spacing ring, and then make screw rod and thread bush reach fixed effect, reach the effect of fixed mounting gaseous roots flowmeter.

Description

Gas flow meter with gas leakage detection device

Technical Field

The utility model relates to the technical field of gas roots flowmeter, in particular to a gas roots flowmeter with a gas leakage detection device.

Background

The gas flow meter is a volumetric meter for measuring the flow of gas medium in a closed pipeline, is widely applied to flow metering of natural gas, coal gas, inert gas, air and other gases, is an ideal flow metering device for urban fuel gas, oilfield chemical industry, scientific research and other departments at home and abroad, and is usually connected with a conveying pipeline by adopting a flange plate.

For example, chinese patent CN208953047U discloses a gas flow meter, through at the fixed cover of surface mounting of gas transmission pipeline body, and carry out spacingly to fixed cover through connecting block and spread groove, can be with the movable top of installing at the air inlet of gas transmission pipeline body, need not the mounting tool and can make gas transmission pipeline and gas flow meter stable installation together, can accomplish the installation between gas flow meter and the gas transmission pipeline fast, thereby reduce installation time, improve installation effectiveness, be convenient for people to use, but this patent is unstable through the mode of spring fastening, when the pipeline takes place the shake of certain degree because of the motion of gas, gas flow meter drops from the gas transmission pipeline easily, therefore, a gas flow meter takes gas leakage detection device is proposed.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the gas leakage detection device with the gas roots flowmeter, which has the advantages of stable fixation and the like, and solves the problem that the gas leakage detection device with the gas roots flowmeter cannot be stably fixed on a gas pipeline.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a gaseous roots meter area gas leakage detection device, includes gas transmission pipeline body, suit in the gaseous roots meter body of gas transmission pipeline body bottom, sets up the air inlet at gaseous roots meter body top to and set up the detection device body inside the air inlet, the draw-in groove has all been seted up on two outer walls that the gas transmission pipeline body is relative, two relative mounting grooves have been seted up to the inside of gaseous roots meter body, and the inside of two mounting grooves all is provided with screw thread subassembly, and two screw thread subassembly similar both ends are with two draw-in groove looks joint respectively.

Further, the thread component comprises a screw rod movably mounted on the inner wall of the mounting groove and a thread sleeve in threaded connection with the screw rod, wherein the thread sleeve is clamped with the clamping groove.

Further, a limiting block is fixedly arranged on the outer wall of the threaded sleeve, and a limiting groove is formed in the inner wall of the mounting groove, wherein the limiting block is movably connected with the limiting groove.

Further, the limit groove is transversely formed in the inner wall of the mounting groove.

Further, install the mounting box on two outer walls that gaseous roots flowmeter body is relative, the inner wall of mounting box is provided with elasticity spacing subassembly, the screw rod extends to fixed mounting has the carousel on the one end of gaseous roots flowmeter body outer wall, and wherein elasticity spacing subassembly meshes with the carousel mutually.

Further, the top of the elastic spacing component is fixedly provided with spacing teeth, and the outer wall of the turntable is provided with a spacing ring, wherein the spacing teeth are meshed with the spacing ring.

(III) beneficial effects

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

1. this gaseous roots meter area gas leakage detection device, through the rotation of two screw rods, make two thread bush can be stable with two draw-in grooves looks joint to make gaseous roots meter body reach the effect of stable installation on the gas transmission pipeline body.

2. This gaseous roots meter area gas leakage detection device, through the elasticity of spring, make spacing tooth can be stable mesh mutually with the spacing ring, and then make screw rod and thread bush reach fixed effect, further reach the effect of fixed mounting gaseous roots meter.

Drawings

FIG. 1 is a schematic elevational view of the structure of the present utility model;

FIG. 2 is a schematic side cross-sectional view of the structure of the present utility model;

FIG. 3 is a schematic side cross-sectional view of the internal structure of the structural mounting case of the present utility model;

fig. 4 is an enlarged partial schematic view of the portion a shown in fig. 2, which is a structural view of the present utility model.

In the figure: 1. a gas line body; 2. a gas roots flowmeter body; 3. a mounting box; 4. a turntable; 5. a clamping groove; 6. an air inlet; 7. a detection device body; 8. a pulling piece; 9. a limiting ring; 10. limit teeth; 11. a limit rod; 12. a spring; 13. a thread sleeve; 14. a mounting groove; 15. a screw; 16. a limit groove; 17. and a limiting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a gas flow meter with gas leakage detecting device in this embodiment includes a gas pipe body 1, a gas flow meter body 2 sleeved at the bottom of the gas pipe body 1, an air inlet 6 provided at the top of the gas flow meter body 2, and a detecting device body 7 provided inside the air inlet 6, so that when the gas in the gas pipe body 1 enters the gas flow meter body 2 from the air inlet 6, the gas will pass through the detecting device body 7 first, thereby completing the gas detection effect, two opposite outer walls of the gas pipe body 1 are provided with clamping grooves 5, lateral cross sections of the two clamping grooves 5 are square, two opposite mounting grooves 14 are provided inside the gas flow meter body 2, the mounting grooves 14 are square grooves for mounting components, the two mounting grooves 14 are internally provided with threaded components, two ends of the two threaded components, which are close, are respectively clamped with the two clamping grooves 5, wherein the threaded components comprise a screw rod 15 movably connected to the inner wall of the mounting groove 14, and a threaded sleeve 13 screwed on the screw rod 15, wherein the threaded sleeve 13 is clamped with the clamping grooves 5, the lateral cross section of the threaded sleeve 13 is square, the area size is slightly smaller than the area of the clamping grooves 5, from the rotation of the two screw rods 15, the two threaded sleeves 13 can be moved close until two ends of the two threaded sleeves 13, which are close, are respectively moved into the two clamping grooves 5 until being clamped with the two clamping grooves 5, the threaded sleeves 13 can achieve the effect of being fixed with the clamping grooves 5, the gas meter body 2 can achieve the effect of being fixed on the gas transmission pipeline body 1 through square butt joint, can effectively avoid screw thread cover 13 to take place at the inside rotatory condition of draw-in groove 5, and then make the fixed effect of gaseous roots flowmeter body 2 better to avoided the condition that needs the instrument to just can install gaseous roots flowmeter body 2, and then made gaseous roots flowmeter body 2 reach stable fixed mounting's effect.

In this embodiment, the outer wall of the thread bush 13 is fixedly provided with the limiting block 17, the inner wall of the mounting groove 14 is provided with the limiting groove 16, the limiting block 17 is movably connected with the limiting groove 16, and the limiting groove 16 is transversely arranged on the inner wall of the mounting groove 14, so that when the screw 15 rotates, the thread bush 13 can only transversely move along the direction in which the limiting groove 16 is arranged, the thread bush 13 can be conveniently abutted with the clamping groove 5, and the gas roots flowmeter body 2 can be conveniently fixed.

In this embodiment, the mounting box 3 is installed on two opposite outer walls of the gas flow meter body 2, the elastic limit component is disposed on the inner wall of the mounting box 3, the screw 15 extends to one end of the outer wall of the gas flow meter body 2 and is fixedly installed with the rotary disk 4, the elastic limit component is meshed with the rotary disk 4, the elastic limit component comprises a spring 12 fixedly installed on the top wall of the mounting box 3, a limit rod 11 disposed inside the spring 12, and a pulling piece 8 installed at the bottom of the limit rod 11, one end of the pulling piece 8 extends to the outside of the mounting box 3, one end of the limit rod 11 is fixedly connected with one end of the bottom of the spring 12, the other end of the pulling piece extends to the top of the mounting box 3, so that the limit rod 11 can keep upward moving trend through the elastic force of the spring 12 until the limit rod 11 is meshed with the rotary disk 4, the effect of fixing the rotary disk 4 can be achieved, the effect of fixing the screw 15 can be further achieved, the effect of fixing the thread sleeve 13 can be further achieved, and the stability of the gas flow meter body 2 is increased.

In this embodiment, spacing tooth 10 is fixed mounting at the top of elasticity spacing subassembly, installs spacing ring 9 on the outer wall of carousel 4, and wherein spacing tooth 10 meshes with spacing ring 9 mutually, and wherein spacing tooth 10 is similar to the mesh mode of gear and ring gear with spacing ring 9, through the mesh mode for the engagement relation of gag lever post 11 and carousel 4 is more firm, thereby makes the fixed effect of carousel 4 better.

The working principle of the embodiment is as follows:

the air inlet 6 of the gas flow meter 2 is aligned with the gas pipeline 1 body and is arranged at the bottom of the gas pipeline body 1, then the two shifting sheets 8 are fluctuated downwards, the limit teeth 10 and the limit rings 9 are in a disengaged relation, then the two turntables 4 are rotated, the two screws 15 are rotated, and then the two threaded sleeves 13 are moved approximately until the two threaded sleeves 13 are respectively clamped with the two clamping grooves 5 on the outer wall of the gas pipeline body 1, then the two shifting sheets 8 are loosened, the two limit teeth 10 at the top of the two limit rods 11 are respectively engaged with the two limit rings 9, the effect of fixing the turntables 4 can be achieved, the effect of fixing the screws 15 and the threaded sleeves 13 is further achieved, and the effect of stably installing the gas flow meter body 2 is achieved.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims (6)

1. The utility model provides a gaseous roots meter area gas leakage detection device, includes gas transmission pipeline body (1), suit in gas roots meter body (2) of gas transmission pipeline body (1) bottom, sets up air inlet (6) at gas roots meter body (2) top to and set up in the inside detection device body (7) of air inlet (6), its characterized in that: clamping grooves (5) are formed in two opposite outer walls of the gas transmission pipeline body (1), two opposite mounting grooves (14) are formed in the gas flow meter body (2), threaded components are arranged in the two mounting grooves (14), and two ends, close to each other, of the two threaded components are respectively clamped with the two clamping grooves (5).

2. The gas flow meter with gas leakage detection device according to claim 1, wherein: the thread assembly comprises a screw rod (15) movably mounted on the inner wall of the mounting groove (14) and a thread sleeve (13) in threaded connection with the screw rod (15), wherein the thread sleeve (13) is in clamping connection with the clamping groove (5).

3. A gas flow meter with gas leakage detection device according to claim 2, wherein: a limiting block (17) is fixedly arranged on the outer wall of the threaded sleeve (13), and a limiting groove (16) is formed in the inner wall of the mounting groove (14), wherein the limiting block (17) is movably connected with the limiting groove (16).

4. A gas flow meter with gas leak detection apparatus as defined in claim 3, wherein: the limiting groove (16) is transversely formed in the inner wall of the mounting groove (14).

5. A gas flow meter with gas leakage detection device according to claim 2, wherein: the gas flow meter comprises a gas flow meter body (2), wherein two opposite outer walls of the gas flow meter body (2) are respectively provided with a mounting box (3), the inner walls of the mounting boxes (3) are provided with elastic limiting components, a rotary table (4) is fixedly arranged at one end of each screw rod (15) extending to the outer wall of the gas flow meter body (2), and the elastic limiting components are meshed with the rotary table (4).

6. The gas flow meter with gas leakage detection device according to claim 5, wherein: the top of the elastic limit component is fixedly provided with limit teeth (10), the outer wall of the rotary disc (4) is provided with a limit ring (9), and the limit teeth (10) are meshed with the limit ring (9).