CN210400513U

CN210400513U - Multi-point cross section flowmeter

Info

Publication number: CN210400513U
Application number: CN201921868596.1U
Authority: CN
Inventors: 闵金卫; 刘炎光
Original assignee: Shanghai Zhangang Technology Group Jiangsu Co Ltd; Yichang Throttling Device Manufacturing Jiangsu Co Ltd
Current assignee: Shanghai Zhangang Technology Group Jiangsu Co Ltd; Yichang Throttling Device Manufacturing Jiangsu Co Ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-04-24
Anticipated expiration: 2029-11-01

Abstract

The utility model relates to a gas flow monitoring technology field especially relates to a multiple spot cross section flowmeter. The to-be-solved technical problem of the utility model is that the pollutant blocks up the flowmeter. In order to solve the technical problem, the utility model provides a multiple spot cross section flowmeter, survey buret including the device body and install at device body inner chamber top and bottom, survey the fixed grafting in buret top and have the blast pipe, the fixed cover of opposite side of blast pipe is equipped with the air inlet piston pipe, the inner wall sliding connection of air inlet piston pipe has the air inlet piston, air inlet piston one side fixedly connected with air inlet spring, air inlet spring's opposite side and air inlet piston pipe's inner wall fixed connection, air inlet piston keeps away from one side fixedly connected with of device body and acts as go-between, the fixed grafting in left bottom of air inlet piston pipe has the breathing pipe, device body inner wall connection has the bracing piece, the left side fixedly connected with wind-force slide bar at bracing piece middle.

Description

Multi-point cross section flowmeter

Technical Field

The invention relates to the technical field of gas flow monitoring, in particular to a multi-point cross-section flowmeter.

Background

Multipoint cross section flowmeter often is used for examining gas flow size, but when using when detecting gaseous pollutants, often can appear the pollutant adhesion in surveying the buret pipe wall, cause to survey buret jam, to the testing result production influence, often need artifically to these survey burets that are blockked up clear up or change, waste time and energy, so need can clear up a kind of multipoint cross section flowmeter of pollutant now urgently.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a multi-point cross section flowmeter, which solves the problem that pollutants block the flowmeter.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a multi-point cross section flow meter comprises a device body and a measuring tube of the measuring tube, wherein the measuring tube of the measuring tube is arranged at the top and the bottom of an inner cavity of the device body, an exhaust tube is fixedly inserted at the top of the right side of the measuring tube, an air inlet piston tube is fixedly sleeved at the other side of the exhaust tube, an air inlet piston is connected to the inner wall of the air inlet piston tube in a sliding manner, an air inlet spring is fixedly connected to one side, away from the device body, of the air inlet piston, the other side of the air inlet spring is fixedly connected with the inner wall of the air; and an air suction pipe is fixedly inserted at the bottom of the left side of the air inlet piston pipe.

The device is characterized in that a supporting rod is fixedly connected between the top and the bottom of the inner wall of the device body, a wind power sliding rod is fixedly connected to the left side of the middle of the supporting rod, a wind power sliding block is movably sleeved on the left outer side of the wind power sliding rod, a groove is formed in the middle of the outer side of the wind power sliding block, a rotating disc is movably sleeved on the outer wall of the groove, one side of a stay wire sequentially penetrates through the air inlet piston pipe, the device body and the left side of the wind power sliding block, and a reset.

Preferably, the exhaust pipe and the air suction pipe are respectively provided with an one-way hinge on the inner wall, a torsion spring is arranged inside each one-way hinge, each hinge is in an open state, the opening and closing directions of the two one-way hinges are opposite, the hinge arranged in the exhaust pipe is closed towards one side far away from the air inlet piston pipe, and the hinge arranged in the air suction pipe is closed towards one side close to the air inlet piston pipe.

Preferably, the outer side of the middle part of the pull wire is movably sleeved with a leather sheath, the left side of the leather sheath is fixedly connected with the air inlet piston pipe, and the other side of the leather sheath penetrates through the device body and extends to the inner cavity.

Further preferably, the reset structure includes the piston pipe that resets, and the inner wall sliding connection of piston pipe that resets has the piston that resets, and the left side fixedly connected with ejector pin that resets of the piston, the left side of the ejector pin that resets and the right side fixed connection of wind-force slider, the right side fixedly connected with reset spring of the piston that resets, reset spring's opposite side and the left side fixed connection of bracing piece.

Further preferably, the air piston pipe penetrates through the inner wall of the device body and is fixedly inserted with the air inlet piston pipe.

Further preferably, the outer side of the rotating disc is fixedly connected with six blades at equal intervals.

(III) advantageous effects

The invention provides a multipoint cross section flowmeter, which has the following beneficial effects:

(1) the device utilizes the gaseous flow that detects to drive the rolling disc and rotates and backward move to through connecting the acting as go-between on wind-force slider, the pulling piston that admits air inhales from the breathing pipe outside the device and gets clean gas, finishes the back at the inspection, and the rolling disc resets, and the piston that admits air discharges clean gas from the blast pipe, dashes out the pollutant of attaching on surveying buret inner wall and surveys buret, solves the problem that the pollutant blockked up the flowmeter.

(2) The rotating disc used by the device is arranged on the right side of the measuring pipe, and the one-way hinge is arranged on one side, close to the measuring pipe, of the exhaust pipe, so that the design of the device cannot influence the measuring result.

Drawings

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

FIG. 2 is an enlarged view of the point A in FIG. 1;

FIG. 3 is a side view of the wind slider of the present invention.

In the figure: the device comprises a device body 1, a measuring pipe 2, an exhaust pipe 3, an air inlet piston pipe 4, an air inlet piston 5, a stay wire 6, an air suction pipe 7, a support rod 8, a wind power slide rod 9, a wind power slide block 10, a rotating disc 11, a reset structure 12 and an air inlet spring 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a multiple spot cross section flowmeter, survey buret and survey buret 2 including device body 1 and installing at 1 inner chamber top of device body and bottom, it has blast pipe 3 to survey the fixed grafting in top on buret 2 right side, the fixed cover of opposite side of blast pipe 3 is equipped with air inlet piston pipe 4, air inlet piston pipe 4's inner wall sliding connection has air inlet piston 5, air inlet piston 5 keeps away from one side fixedly connected with air inlet spring 13 of device body 1, air inlet spring 13's opposite side and air inlet piston pipe 4's inner wall fixed connection, air inlet piston 5 keeps away from one side fixedly connected with of device body 1 and acts as go-. Fixed the pegging graft of the left bottom of air inlet piston pipe 4 has breathing pipe 7, air inlet piston pipe 4 runs through the inner wall of device body 1 and is pegged graft with air inlet piston pipe 4 is fixed, one-way hinge is all installed to the inner wall of blast pipe 3 and breathing pipe 7, one-way hinge internally mounted has the torsional spring, the torsional spring makes the hinge be in the state of opening, two one-way hinges open and shut opposite direction, the hinge of installation folds to the one side of keeping away from air inlet piston pipe 4 in the blast pipe 3, the hinge of installation folds to the one side by air inlet piston pipe 4 in the breathing pipe.

A supporting rod 8 is fixedly connected between the top and the bottom of the inner wall of a device body 1, a wind power slide rod 9 is fixedly connected on the left side of the middle part of the supporting rod 8, a wind power slide block 10 is movably sleeved on the outer side of the left side of the wind power slide rod 9, a groove is formed in the middle part of the outer side of the wind power slide block 10, a rotating disc 11 is movably sleeved on the outer wall of the groove, blades are fixedly connected on the outer side of the rotating disc 11 at equal intervals, the number of the blades is six, one side of a pull wire 6 sequentially penetrates through an air inlet piston tube 4 and the device body 1 and is fixedly connected with the left side of the wind power slide block 10, a leather sheath is movably sleeved on the outer side of the middle part of the pull wire 6, the left side of the leather sheath is fixedly connected with the air inlet piston tube 4, the other side, the left side of the reset piston is fixedly connected with a reset mandril, the left side of the reset mandril is fixedly connected with the right side of the wind power slide block 10, the right side of the reset piston is fixedly connected with a reset spring, the other side of the reset spring is fixedly connected with the left side of the support rod 8, the device utilizes the detected gas flow to drive the rotating disc 11 to rotate and move backwards, and pulls the air inlet piston 5 to suck clean gas from the air suction pipe 7 through the pull wire 6 connected with the wind power slide block 10, after the inspection is finished, the rotating disc 11 is reset, the air inlet piston 5 discharges clean gas from the exhaust pipe 3, pollutants attached to the inner wall of the measuring pipe 2 are flushed out of the measuring pipe 2, the problem that the pollutants block the flow meter is solved, the rotating disc 11 used by the device is arranged at the right side of the measuring pipe 2, and the side of the exhaust pipe 3 close to the measuring pipe 2 is provided with the one-way hinge, so the design of the device has no influence on the measuring result.

The working principle is as follows: the device utilizes the gas flow that detects, drive the rolling disc 11 that the movable sleeve overlaps in wind-force slider 10 recess on wind-force slide bar 9 and rotate and backward move, thereby through 6 pulling air inlet piston 5 of acting as go-between, when air inlet piston 5 was pulled, the internal pressure of air inlet piston 5 diminishes, the hinge on the breathing pipe 7 folds under atmospheric pressure, let clean air get into air inlet piston, when detecting the completion, do not detect gaseous promotion rolling disc 11, wind-force slider 10 just can reset under the effect of reset structure 12, act as go-between 6 and do not have the pulling force to air inlet piston 5, air inlet piston 5 just discharges gas into surveying buret 2 through blast pipe 3 under the effect of the spring that admits air, wash out surveying buret 2 to the pollutant in surveying buret 2 pipe wall of adhesion.

The rolling disc 11 that the device used is installed and is being surveyed buret 2 right side, is located and surveys buret 2's gas outlet to and the one-way hinge is installed to one side that the blast pipe 3 is close to surveying buret 2, and only gaseous when surveying buret 2 is got into from blast pipe 3, the hinge just can be opened, so the device's design can not exert an influence to the measuring result.

Claims

1. The utility model provides a multiple spot cross section flowmeter, includes device body (1) and installs survey buret (2) at device body (1) inner chamber top and bottom, its characterized in that: the exhaust pipe (3) is fixedly inserted at the top of the right side of the measuring pipe (2), the air inlet piston pipe (4) is fixedly sleeved at the other side of the exhaust pipe (3), the air inlet piston (5) is connected to the inner wall of the air inlet piston pipe (4) in a sliding manner, the air inlet spring (13) is fixedly connected to one side, away from the device body (1), of the air inlet piston (5), the other side of the air inlet spring (13) is fixedly connected with the inner wall of the air inlet piston pipe (4), and the pull wire (6) is fixedly connected to one side, away from the device body (1), of the air inlet piston (5); an air suction pipe (7) is fixedly inserted at the bottom of the left side of the air inlet piston pipe (4);

fixedly connected with bracing piece (8) between the top of device body (1) inner wall and the bottom, the left side fixedly connected with wind-force slide bar (9) at bracing piece (8) middle part, the left outside activity cover of wind-force slide bar (9) is equipped with wind-force slider (10), the middle part in the wind-force slider (10) outside is seted up flutedly, and the outer wall activity cover of recess is equipped with rolling disc (11), the one side of acting as go-between (6) run through air inlet piston pipe (4) and device body (1) in proper order and with the left side fixed connection of wind-force slider (10), the top fixedly connected with reset structure (12) on wind-force slider (10).

2. A multi-point cross-sectional flow meter according to claim 1, wherein: one-way hinges are mounted on the inner walls of the exhaust pipe (3) and the air suction pipe (7), torsion springs are mounted inside the one-way hinges, and the opening and closing directions of the two one-way hinges are opposite.

3. A multi-point cross-sectional flow meter according to claim 1, wherein: the outer side of the middle part of the pull wire (6) is movably sleeved with a leather sheath, the left side of the leather sheath is fixedly connected with the air inlet piston pipe (4), and the other side of the leather sheath penetrates through the device body (1) and extends to the inner cavity.

4. A multi-point cross-sectional flow meter according to claim 1, wherein: the reset structure (12) comprises a reset piston tube, a reset piston is slidably connected to the inner wall of the reset piston tube, a reset ejector rod is fixedly connected to the left side of the reset piston, the left side of the reset ejector rod is fixedly connected with the right side of the wind power sliding block (10), a reset spring is fixedly connected to the right side of the reset piston, and the other side of the reset spring is fixedly connected with the left side of the supporting rod (8).

5. A multi-point cross-sectional flow meter according to claim 1, wherein: the air inlet piston pipe (4) penetrates through the inner wall of the device body (1) and is fixedly inserted with the air inlet piston pipe (4).

6. A multi-point cross-sectional flow meter according to claim 1, wherein: the outer side of the rotating disc (11) is fixedly connected with six blades at equal intervals.