CN214748177U

CN214748177U - Plug-in type multi-throat-diameter Venturi tube flowmeter

Info

Publication number: CN214748177U
Application number: CN202120625980.XU
Authority: CN
Inventors: 吴晗; 赵宝兴; 刘德宇
Original assignee: Tianjin Jiangtai Instrument Co ltd
Current assignee: Tianjin Jiangtai Technology Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-11-16
Anticipated expiration: 2031-03-26

Abstract

The utility model discloses a bayonet many throats footpath venturi flowmeter, including the flowmeter main part, the upper end fixed mounting of flowmeter main part has the plug socket, the upper end fixed surface of plug socket installs the mount pad, the lower extreme fixed surface of mount pad installs the pipeline, the upper end surface left side set up threaded hole of mount pad, the inside movable mounting of screw hole has fixing bolt, the position that the pipeline corresponds with the screw hole is seted up the thread groove, the lower extreme surface of mount pad is close to the fixed position of screw hole and is installed sealed piece. The device can strengthen the leakproofness of device, reduces the fluid in the pipeline and reveals, when improving flowmeter's measurement accuracy, reduces because of the pipeline in fluid reveals the environmental impact who leads to, strengthens the intensity of pipeline simultaneously, prevents that the pipeline from because intensity descends and pipeline inside fluid pressure is great, the pipeline that leads to breaks, the life of improvement device.

Description

Plug-in type multi-throat-diameter Venturi tube flowmeter

Technical Field

The utility model belongs to the technical field of the flowmeter technique and specifically relates to a bayonet many throats footpath venturi flowmeter is related to.

Background

The venturi tube is divided into a built-in venturi tube and a plug-in venturi tube according to the structure. The method has good effect in the measurement of combustion-supporting air, cold air and gas of hot blast stoves of steel plants (blast furnace gas, coke oven gas and converter gas) and the measurement of primary air and secondary air large-diameter and low-flow-rate pipelines of boilers of thermal power plants. The method solves the problem of accurate measurement of various gas flows of low pressure, large pipe diameter and low flow velocity in the existing industrial enterprises. The fluid measuring device has wide measuring range and is convenient to install. The unique structure design and the data processing method have strict fluid mechanics basis and carry out real flow calibration in a national large-scale key wind tunnel laboratory. The device can be widely used for controlling and metering large-caliber fluid in petroleum, chemical industry, metallurgy, electric power and other industries.

In implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved:

1. when the plug-in type Venturi tube flowmeter is used, a hole needs to be cut in a pipeline, then the Venturi tube flowmeter is inserted into the pipeline, and the flowmeter is fixed on the surface of the pipeline through a bolt, so that the flowmeter is convenient to take out after being used for cleaning and maintenance;

2. the traditional plug-in type Venturi tube flowmeter performs hole opening treatment on a pipeline during installation, and the flowmeter does not protect the hole opening after installation, so that the strength of the hole opening of the pipeline is reduced, and when the pressure inside the pipeline is high, the hole opening can cause the pipeline to break due to the strength reduction.

To this end, a plug-in multi-throat venturi flow meter is proposed.

Disclosure of Invention

An object of the utility model is to provide a bayonet many throats footpath venturi flowmeter, the device can the reinforcing means's leakproofness, reduce the fluid in the pipeline and reveal, when improving the measurement accuracy of flowmeter, reduce because of the interior fluid in the pipeline reveals the environmental impact that leads to, strengthen the intensity of pipeline simultaneously, prevent that the pipeline is great because intensity descends and the inside fluid pressure of pipeline, the pipeline that leads to breaks, improve device's life to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an insertion type multi-throat-diameter Venturi tube flowmeter comprises a flowmeter main body, wherein an insertion base is fixedly mounted at the upper end of the flowmeter main body, a mounting base is fixedly mounted on the outer surface of the upper end of the insertion base, a pipeline is fixedly mounted on the outer surface of the lower end of the mounting base, a threaded hole is formed in the left side of the outer surface of the upper end of the mounting base, a fixing bolt is movably mounted in the threaded hole, a threaded groove is formed in the position, corresponding to the threaded hole, of the pipeline, a sealing block is fixedly mounted on the position, corresponding to the sealing block, of the outer surface of the lower end of the mounting base, an air bag is fixedly mounted on the position, corresponding to the sealing block, of the outer surface of the left side of the insertion base, an air inlet hole is formed in the position, corresponding to the air bag, of the outer surface of the lower end of the air inlet hole is fixedly mounted with an air inlet of the air bag, the mounting groove has been seted up to the inside of mount pad, the inside movable mounting of mounting groove has the screening glass, the outer fixed surface in left side of screening glass installs the fixture block, and the mounting groove has seted up the draw-in groove with the position that the fixture block corresponds, the outer fixed surface in front end of screening glass installs the connecting seat, the connecting hole has been seted up to the front end surface of connecting seat.

Preferably, a rubber pad is arranged between the mounting seat and the pipeline, and the fixing bolt penetrates through the rubber pad to be in threaded connection with the thread groove.

Through adopting above-mentioned technical scheme, fixing bolt is with mount pad and pipe connection back, and the rubber pad receives the extrusion and seals mount pad and pipe connection department, reduces the inside fluid of pipeline and reveals.

Preferably, the air bag is fixedly installed between the sealing block and the plug socket, and the volume of the air bag is larger than the volume between the sealing block and the plug socket.

By adopting the technical scheme, the air bag is inflated and expanded to fill the gap between the sealing block and the plug socket, so that the leakage of fluid in the pipeline from the installation position of the flowmeter is reduced.

Preferably, the sealing block and the air bag are both rectangular, and the sealing block is matched with the sealing groove.

Through adopting above-mentioned technical scheme, gasbag and sealed piece cooperation are sealed the processing around flowmeter installation department, reduce the inside fluid of pipeline and reveal through the installation department.

Preferably, the protection sheet is an elastic metal material, the number of the protection sheets is two, and the two protection sheets are symmetrically distributed with the center of the mounting seat as a midpoint.

Through adopting above-mentioned technical scheme, the screening glass can be through the deformation with self laminating on the pipeline surface, the intensity of reinforcing pipeline.

Preferably, the two connecting holes are connected through bolts, and the two protection plates are connected to form a ring shape to wrap the pipeline inside.

Through adopting above-mentioned technical scheme, the ring shape that two screening sheets are constituteed is closely laminated at the surface of pipeline, prevents that the great pipeline of leading to of fluid pressure in the pipeline from breaking.

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

1. by adding a series of device components such as a fixing bolt, a sealing block, a rubber pad, an air inlet hole, an air bag, a sealing groove and the like into the device, when the device is installed, the inserting seat is placed at the opening of the pipeline, and the sealing block enters the sealing groove, then the fixing bolt is screwed to enable the fixing bolt to enter the thread groove from the threaded hole until the mounting seat is fixed, the rubber pad between the mounting seat and the pipeline is squeezed and deformed, the joint of the mounting seat and the pipeline is sealed, the leakage of fluid in the pipeline is reduced, when the fluid passes through the pipeline, fluid enters the air bag through an air inlet hole at the lower end of the plug socket, the air bag expands and becomes large after being inflated, and a gap between the sealing block and the plug socket is filled, so that the sealing block and the plug socket are sealed, the fluid leakage in a pipeline is reduced, the measurement accuracy of the flowmeter is improved, and meanwhile, the environmental influence caused by the fluid leakage in the pipeline is reduced;

2. through add the screening glass in the device, the fixture block, the draw-in groove, the mounting groove, the connecting seat, a series of device parts such as connecting hole, the device is when using, after the flowmeter installation, break off the screening glass downwards, the screening glass takes place deformation downwards, the draw-in groove is fixed the fixture block inside the draw-in groove simultaneously, prevent that the screening glass from droing, laminate the surface at the pipeline with the screening glass, then connect two connecting holes through the bolt, thereby make two screening glasses connect and constitute the arc shape, strengthen the intensity of pipeline, it is great to prevent that the pipeline from because intensity descends and pipeline inside fluid pressure, the pipeline that leads to breaks, the life of improvement device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a view of the overall structure of the present invention;

FIG. 2 is a view of the mounting seat and the protection sheet of the present invention;

FIG. 3 is a view showing the combination of the protection sheet and the mounting groove;

fig. 4 is a combined view of the mounting seat and the pipeline of the present invention;

FIG. 5 is a view of the sealing block and the airbag of the present invention;

fig. 6 is a view showing the combination of the protection sheet and the pipe according to the present invention.

Description of reference numerals:

1. a flow meter body; 2. a mounting seat; 21. a threaded hole; 22. fixing the bolt; 23. a sealing block; 24. a rubber pad; 3. a socket; 31. an air inlet; 32. an air bag; 4. a pipeline; 41. a thread groove; 42. a sealing groove; 5. a protective sheet; 51. a clamping block; 52. mounting grooves; 53. a card slot; 54. a connecting seat; 55. and connecting the holes.

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 to 6, the present invention provides a technical solution:

an insertion type multi-throat-diameter Venturi tube flowmeter comprises a flowmeter main body 1, wherein an insertion base 3 is fixedly installed at the upper end of the flowmeter main body 1, an installation base 2 is fixedly installed on the outer surface of the upper end of the insertion base 3, a pipeline 4 is fixedly installed on the outer surface of the lower end of the installation base 2, a threaded hole 21 is formed in the left side of the outer surface of the upper end of the installation base 2, a fixing bolt 22 is movably installed inside the threaded hole 21, a threaded groove 41 is formed in the position, corresponding to the threaded hole 21, of the pipeline 4, a sealing block 23 is fixedly installed on the position, close to the threaded hole 21, of the outer surface of the lower end of the installation base 2, a sealing groove 42 is formed in the position, corresponding to the sealing block 23, of the pipeline 4, an air bag 32 is fixedly installed on the position, close to the sealing block 23, of the outer surface of the left side of the insertion base 3, and an air inlet hole 31 is formed in the position, close to the air bag 32, of the outer surface of the lower end of the insertion base 3, the upper end of inlet port 31 and the air inlet fixed mounting of gasbag 32, mounting groove 52 has been seted up to the inside of mount pad 2, the inside movable mounting of mounting groove 52 has protection piece 5, the left side external surface fixed mounting of protection piece 5 has fixture block 51, and the position that mounting groove 52 and fixture block 51 correspond has seted up draw-in groove 53, the front end external surface fixed mounting of protection piece 5 has connecting seat 54, connecting hole 55 has been seted up to the front end surface of connecting seat 54.

Specifically, as shown in fig. 4 and 5, a rubber pad 24 is disposed between the mounting seat 2 and the pipeline 4, and the fixing bolt 22 is screwed with the threaded groove 41 through the rubber pad 24.

Through adopting above-mentioned technical scheme, fixing bolt 22 is connected the back with mount pad 2 and pipeline 4, and rubber pad 24 receives the extrusion to seal mount pad 2 and pipeline 4 junction, reduces the inside fluid of pipeline 4 and reveals.

Specifically, as shown in fig. 4 and 5, the air bag 32 is fixedly installed between the sealing block 23 and the socket 3, and the volume of the air bag 32 is greater than the volume between the sealing block 23 and the socket 3.

By adopting the technical scheme, the air bag 32 is inflated and expanded to fill the gap between the sealing block 23 and the plug socket 3, so that the leakage of fluid in the pipeline 4 from the flowmeter installation position is reduced.

Specifically, as shown in fig. 1 and 3, the sealing block 23 and the air bag 32 are both rectangular, and the sealing block 23 and the sealing groove 42 are matched with each other.

By adopting the technical scheme, the air bag 32 is matched with the sealing block 23, the periphery of the installation position of the flowmeter is sealed, and the leakage of fluid in the pipeline 4 through the installation position is reduced.

Specifically, as shown in fig. 1 and 2, the protective sheets 5 are made of an elastic metal material, the number of the protective sheets 5 is two, and the two protective sheets 5 are symmetrically distributed with the center of the mounting seat 2 as a midpoint.

Through adopting above-mentioned technical scheme, screening glass 5 can be through the deformation with self laminating on 4 surfaces of pipeline, reinforcing pipeline 4's intensity.

Specifically, as shown in fig. 6, two of the connection holes 55 are connected by bolts, and two protection sheets 5 are connected to form a ring shape to wrap the pipe 4 inside.

Through adopting above-mentioned technical scheme, the ring shape that two protecting sheets 5 are constituteed is closely laminated at the surface of pipeline 4, prevents that the great pipeline 4 of leading to of fluid pressure in pipeline 4 from breaking.

The working principle is as follows: when the device is installed, the plug socket 3 is placed in the hole of the pipeline 4, the sealing block 23 enters the sealing groove 42, then the fixing bolt 22 is screwed, the fixing bolt 22 enters the thread groove 41 from the thread hole 21 until the mounting seat 2 is fixed, the rubber pad 24 between the mounting seat 2 and the pipeline 4 is extruded and deformed, the joint of the mounting seat 2 and the pipeline 4 is sealed, the leakage of fluid in the pipeline 4 is reduced, when the fluid passes through the pipeline 4, the fluid enters the air bag 32 through the air inlet hole 31 at the lower end of the plug socket 3, the air bag 32 expands and enlarges after being inflated, the gap between the sealing block 23 and the plug socket 3 is filled, the sealing block 23 and the plug socket 3 is sealed, the leakage of fluid in the pipeline 4 is reduced, the measurement accuracy of the flowmeter is improved, the environmental influence caused by the leakage of the fluid in the pipeline 4 is reduced, after the flowmeter is installed, the protection plate 5 is pulled downwards, protection sheet 5 takes place deformation downwards, draw-in groove 53 fixes fixture block 51 inside draw-in groove 53 simultaneously, prevent that protection sheet 5 from droing, will protect sheet 5 to laminate on the surface of pipeline 4, then connect two connecting holes 55 through the bolt to make two protection sheets 5 connect to form the arc shape, strengthen pipeline 4's intensity, prevent that pipeline 4 from because intensity drops and pipeline 4 inside fluid pressure is great, pipeline 4 that leads to breaks, improve the life of device.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a bayonet many throats footpath venturi flowmeter, includes flowmeter main part (1), its characterized in that: the flowmeter is characterized in that a plug socket (3) is fixedly mounted at the upper end of the flowmeter main body (1), a mounting seat (2) is fixedly mounted on the outer surface of the upper end of the plug socket (3), a pipeline (4) is fixedly mounted on the outer surface of the lower end of the mounting seat (2), a threaded hole (21) is formed in the left side of the outer surface of the upper end of the mounting seat (2), a fixing bolt (22) is movably mounted in the threaded hole (21), a threaded groove (41) is formed in the position, corresponding to the threaded hole (21), of the pipeline (4), a sealing block (23) is fixedly mounted at the position, close to the threaded hole (21), of the outer surface of the lower end of the mounting seat (2), a sealing groove (42) is formed in the position, corresponding to the sealing block (23), of the pipeline (4), and an air bag (32) is fixedly mounted at the position, close to the sealing block (23), of the outer surface of the left side of the plug socket (3), and the position that the lower extreme surface of bayonet socket (3) is close to gasbag (32) has seted up inlet port (31), the upper end of inlet port (31) and the air inlet fixed mounting of gasbag (32), mounting groove (52) have been seted up to the inside of mount pad (2), the inside movable mounting of mounting groove (52) has screening glass (5), the left side external surface fixed mounting of screening glass (5) has fixture block (51), and mounting groove (52) and the position that fixture block (51) correspond have seted up draw-in groove (53), the front end external surface fixed mounting of screening glass (5) has connecting seat (54), connecting hole (55) have been seted up to the front end surface of connecting seat (54).

2. An inserted multiple throat venturi flow meter according to claim 1, wherein: a rubber pad (24) is arranged between the mounting seat (2) and the pipeline (4), and the fixing bolt (22) penetrates through the rubber pad (24) to be in threaded connection with the threaded groove (41).

3. An inserted multiple throat venturi flow meter according to claim 1, wherein: the air bag (32) is fixedly arranged between the sealing block (23) and the plug socket (3), and the volume of the air bag (32) is larger than the volume between the sealing block (23) and the plug socket (3).

4. An inserted multiple throat venturi flow meter according to claim 3, wherein: the sealing block (23) and the air bag (32) are both rectangular, and the sealing block (23) is matched with the sealing groove (42).

5. An inserted multiple throat venturi flow meter according to claim 1, wherein: the utility model discloses a safety protection device, including protection piece (5), protection piece (5) are elastic metal material, and the quantity of protection piece (5) is two, two protection piece (5) use the center of mount pad (2) to distribute as mid point bilateral symmetry.

6. An inserted multiple throat venturi flow meter according to claim 1, wherein: two connecting holes (55) are connected through bolts, and two protection plates (5) are connected to form a ring shape to wrap the pipeline (4) inside.