CN209910750U

CN209910750U - Novel gas waist wheel flowmeter

Info

Publication number: CN209910750U
Application number: CN201920919435.4U
Authority: CN
Inventors: 刘四云; 冯伟松
Original assignee: Tianjin Yingyun Instrument Technology Co Ltd
Current assignee: Tianjin Yingyun Instrument Technology Co Ltd
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-01-07
Anticipated expiration: 2029-06-19

Abstract

The utility model discloses a novel gaseous roots flowmeter, including flowmeter main part, bearing piece, display screen, rotation axis and swivelling chute, external hose has all been welded at the both ends of flowmeter main part, and built-in hose has all been welded at the inside flowmeter main part both ends of external hose, and the other end and the external hose welded fastening of its built-in hose, the top welding of flowmeter main part has the bearing piece, and the top welding of bearing piece has the display screen. The utility model discloses a slider horizontal vertical slip in the spout to and two sets of commentaries on classics balls are used in the cooperation of swivelling chute internal rotation, handheld slider drives the rotation axis and the whole downward slip of display screen surface rotation of clean cover, so that clear up the dust on display screen surface, and use through the cooperation of external hose and built-in hose, make the external pipeline that is less than built-in hose insert built-in hose, and through the flange will firmly fix it, thereby be convenient for be connected between different specification pipelines and the flowmeter main part.

Description

Novel gas waist wheel flowmeter

Technical Field

The utility model relates to a gas flowmeter equipment technical field specifically is a novel gaseous roots flowmeter.

Background

The gas waist wheel flowmeter is a high-precision metering instrument for continuously or intermittently measuring the flow of a gas medium in a pipeline. At present, in the use of current gaseous roots flowmeter, because the pipeline pipe diameter specification that will connect is not of uniform size, and the junction of gaseous roots flowmeter all is unified specification mostly, it is comparatively inconvenient to make different specification pipelines cause being connected between pipeline and the gaseous roots flowmeter, in addition, the display screen on the gaseous roots flowmeter mostly all exposes outside for a long time, make the surperficial long-pending many dusts of collecting up of display screen, thereby inconvenient user's observation, influence the use, therefore, to above problem, a novel gaseous roots flowmeter has been proposed and has been solved above problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel gaseous roots flowmeter to it is inconvenient to provide gaseous roots flowmeter in solving above-mentioned background art and connect, accumulates on the display screen and collects together the dust, influences the problem of using.

In order to achieve the above object, the utility model provides a following technical scheme: a novel gas waist wheel flowmeter comprises a flowmeter main body, a bearing block, a display screen, a rotating shaft and a rotating groove, external hoses are welded at two ends of the flowmeter main body, internal hoses are welded at two ends of the flowmeter main body in the external hoses, the other end of the built-in hose is welded and fixed with the external hose, the top of the flowmeter main body is welded with a bearing block, and the top of the bearing block is welded with a display screen, the outer surface of the display screen is sleeved with a protective shell, the inner walls of the two sides of the protective shell are both provided with sliding grooves, the inside of the sliding chute is embedded with sliding blocks, the outer surface of the display screen between the sliding blocks is provided with a rotating shaft, the outer surface of the rotating shaft is sleeved with a cleaning sleeve, its clean cover and the laminating of display screen surface, the swivelling chute has all been seted up to the one end that slider and rotation axis are close to each other, and connects through coupling assembling between the swivelling chute.

Preferably, a vacuum cavity is arranged at a position between the external hose and the internal hose, and the inside of the vacuum cavity is in a vacuum state.

Preferably, the protective housing is provided with two sets, two sets of preformed hole has all been seted up at the top of protective housing, and the inside in preformed hole is inserted and is equipped with the locking bolt, and is two sets of pass through locking bolt fixed connection between the protective housing.

Preferably, coupling assembling changes the ball including connecting rod, first commentaries on classics ball and second, the left end welding of connecting rod has first commentaries on classics ball, the right-hand member welding of connecting rod has the second to change the ball.

Preferably, the first rotating ball and the second rotating ball are both set to be spheres, and the sizes of the first rotating ball and the second rotating ball are the same.

Preferably, the rotary grooves are provided with two groups, and rubber pads are pressed on the inner walls of the rotary grooves.

Compared with the prior art, the beneficial effects of the utility model are that: when the novel gas waist wheel flowmeter is installed, the sliding block horizontally and vertically slides in the sliding groove and the two groups of rotating balls rotate in the rotating groove to be matched for use, the sliding block is held by hand to drive the rotating shaft and the cleaning sleeve to integrally rotate and slide downwards on the surface of the display screen, so as to be convenient for cleaning the dust on the surface of the display screen and convenient for the observation of a user, and the external pipeline smaller than the internal hose is inserted into the internal hose through the dual cooperation of the external hose and the internal hose, the external hose and the internal hose are tightly attached to the external pipeline through the flange and are firmly fixed, thereby facilitating the connection between pipelines with different specifications and the flowmeter main body, improving the application range of the whole device, the novel multifunctional electric heating cooker is simple and reasonable in design on the whole structure, high in practicability, flexible in design, safe and reliable, and very suitable for popularization and application in practical application.

Drawings

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

fig. 2 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

fig. 3 is a schematic front view of the connection assembly structure of the present invention;

fig. 4 is a schematic front sectional view of the external hose local structure of the present invention.

In the figure: 1. a flow meter body; 2. an external hose; 3. a vacuum chamber; 4. a hose is arranged inside; 5. a bearing block; 6. a display screen; 7. a protective shell; 8. a chute; 9. a connecting assembly; 91. a connecting rod; 92. a first rotary ball; 93. a second rotary ball; 10. a slider; 11. a rotating shaft; 12. cleaning the sleeve; 13. a rotating trough.

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. 1-4, the present invention provides an embodiment: a novel gas waist wheel flowmeter comprises a flowmeter body 1, a bearing block 5, a display screen 6, a rotating shaft 11 and a rotating groove 13, wherein external hoses 2 are welded at two ends of the flowmeter body 1, internal hoses 4 are welded at two ends of the flowmeter body 1 inside the external hoses 2, the other ends of the internal hoses 4 are welded and fixed with the external hoses 2, a vacuum cavity 3 is arranged at a position between the external hoses 2 and the internal hoses 4 according to the attached

drawings

1 and 4, the inside of the vacuum cavity 3 is in a vacuum state, when the flowmeter body 1 is connected with an external pipeline, a worker can insert an external pipeline smaller than the internal hoses 4 into the internal hoses 4 according to the difference of pipe diameters of the external pipeline, and then the external hoses 2 and the internal hoses 4 are fixedly connected with the external pipeline through external flanges, the staff regularly observes external hose 2, because vacuum cavity 3 is in vacuum state, when flowmeter main part 1 takes place to leak, when outer gas leakage in the vacuum cavity 3 for the inflation in the vacuum cavity 3, thereby makes external hose 2 surface swell, then the staff can learn whether leak gas of flowmeter main part 1 through observing external hose 2 surface conditions at any time, further strengthens the security of whole device.

The welding of the top of flowmeter main part 1 has the piece 5 of accepting, and the top welding of accepting piece 5 has display screen 6, the surface cover of display screen 6 is equipped with protective housing 7, and the both sides inner wall of protective housing 7 all is provided with spout 8, it is shown according to figure 1, protective housing 7 is provided with two sets ofly, the preformed hole has all been seted up at the top of two sets of protective housing 7, and the inside of preformed hole is inserted and is equipped with the locking bolt, through locking bolt fixed connection between two sets of protective housing 7, design through two sets of protective housing 7, play certain guard action to display screen 6.

The inside of the sliding chute 8 is embedded with a sliding block 10, the outer surface of the display screen 6 between the sliding blocks 10 is provided with a rotating shaft 11, the outer surface of the rotating shaft 11 is sleeved with a cleaning sleeve 12, the cleaning sleeve 12 is attached to the surface of the display screen 6, one end of each sliding block 10, which is close to the rotating shaft 11, is provided with a rotating groove 13, the rotating grooves 13 are connected through a connecting assembly 9, the connecting assembly 9 comprises a connecting rod 91, a first rotating ball 92 and a second rotating ball 93, the left end of the connecting rod 91 is welded with the first rotating ball 92, the right end of the connecting rod 91 is welded with the second rotating ball 93, the first rotating ball 92 and the second rotating ball 93 are both arranged into spheres, the sizes of the first rotating ball 92 and the second rotating ball 93 are the same, the two groups of rotating grooves 13 are provided, rubber pads are pressed on the inner walls of the rotating grooves 13, when dust is accumulated on the outer surface of the display, the handheld slider 10 of staff, drive the whole vertical slip of rotation axis 11, and change ball 93 through first commentaries on classics ball 92 and second and act on at 13 internal rotations in swivelling chute, when making 11 vertical gliding of rotation axis, rotate to wipe the surface of display screen 6, can accomplish 6 surface cleaning operations on display screen, and the use through the rubber pad, it mainly adopts the major ingredient to be natural emulsion raw materials foaming and forms, have the rubber characteristic, elasticity is fabulous, the resilience is good, can not warp, thereby make the contact surface between swivelling chute 13 and first commentaries on classics ball 92 and the second commentaries on classics ball 93 have certain resilience, make things convenient for the dismantlement and the installation of rotation axis 11.

The working principle is as follows: when the flowmeter main body 1 is connected with an external pipeline, a worker can insert the external pipeline smaller than the internal hose 4 into the internal hose 4 according to the different pipe diameters of the external pipeline, then the external hose 2 and the internal hose 4 are fixedly connected with the external pipeline through an external flange, and in the using process, the worker regularly observes the external hose 2, because the vacuum cavity 3 is in a vacuum state, when the flowmeter main body 1 leaks, the leaked gas leaks into the vacuum cavity 3, the vacuum cavity 3 expands and expands, so that the surface of the external hose 2 bulges, and then the worker can know whether the flowmeter main body 1 leaks gas or not by observing the surface condition of the external hose 2 at any time, and meanwhile, when dust is accumulated on the outer surface of the display screen 6 and viewing is influenced, the worker holds the slider 10 through the vertical sliding action of the slider 10 in the sliding groove 8, drive the whole vertical slip of rotation axis 11 to change ball 93 through first ball 92 and second and act on in 13 internal rotations of swivelling chute, when making the vertical gliding of rotation axis 11, rotate the surface of display screen 6 and clean, can accomplish the operation of 6 surface cleaning of display screen, do above the utility model discloses a whole theory of operation.

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

1. The utility model provides a novel gaseous roots flowmeter, includes flowmeter main part (1), accepts piece (5), display screen (6), rotation axis (11) and swivelling chute (13), its characterized in that: the flowmeter is characterized in that external hoses (2) are welded at two ends of a flowmeter body (1), built-in hoses (4) are welded at two ends of the flowmeter body (1) inside the external hoses (2), the other ends of the built-in hoses (4) are welded and fixed with the external hoses (2), a bearing block (5) is welded at the top of the flowmeter body (1), a display screen (6) is welded at the top of the bearing block (5), a protective shell (7) is sleeved on the outer surface of the display screen (6), sliding grooves (8) are arranged on inner walls of two sides of the protective shell (7), sliding blocks (10) are embedded inside the sliding grooves (8), a rotating shaft (11) is arranged on the outer surface of the display screen (6) between the sliding blocks (10), a cleaning sleeve (12) is sleeved on the outer surface of the rotating shaft (11), and the cleaning sleeve (12) is attached to the surface of the display screen (, the slider (10) and the rotation axis (11) are close to each other and are provided with a rotation groove (13), and the rotation grooves (13) are connected through a connecting component (9).

2. The novel gas roots meter of claim 1, wherein: a vacuum cavity (3) is arranged at a position between the external hose (2) and the internal hose (4), and the inside of the vacuum cavity (3) is in a vacuum state.

3. The novel gas roots meter of claim 1, wherein: the protective housing (7) is provided with two sets of, two sets of preformed hole has all been seted up at the top of protective housing (7), and the inside in preformed hole is inserted and is equipped with the locking bolt, and is two sets of pass through locking bolt fixed connection between protective housing (7).

4. The novel gas roots meter of claim 1, wherein: coupling assembling (9) are including connecting rod (91), first ball (92) and second ball (93) of changeing, the left end welding of connecting rod (91) has first ball (92) of changeing, the right-hand member welding of connecting rod (91) has second ball (93) of changeing.

5. The novel gas roots meter of claim 4, wherein: the first rotating ball (92) and the second rotating ball (93) are both set to be spheres, and the sizes of the first rotating ball (92) and the second rotating ball (93) are the same.

6. The novel gas roots meter of claim 1, wherein: the rotary grooves (13) are provided with two groups, and rubber pads are pressed on the inner walls of the rotary grooves (13).