CN216116189U

CN216116189U - Novel gas waist wheel flowmeter device

Info

Publication number: CN216116189U
Application number: CN202122194858.4U
Authority: CN
Inventors: 陈宗福
Original assignee: Chongqing Hangqiang Electronic Technology Co ltd
Current assignee: Chongqing Hangqiang Electronic Technology Co ltd
Priority date: 2021-09-11
Filing date: 2021-09-11
Publication date: 2022-03-22
Anticipated expiration: 2031-09-11

Abstract

The utility model relates to a novel gas roots flowmeter device, which comprises a flowmeter body, wherein a circulation box is fixedly connected to the lower surface of the flowmeter body, an air inlet pipe is communicated with the left side of the circulation box, an air outlet pipe is communicated with the right side of the circulation box, an impurity removing component is fixedly connected inside the air inlet pipe, an anti-backflow component is fixedly connected to the left side wall of the inner cavity of the circulation box, the impurity removing component comprises a filter plate fixedly connected inside the air inlet pipe, a rotating rod is movably connected inside the filter plate, a top seat is fixedly connected to the upper surface of the air inlet pipe, and positioning blocks are fixedly connected to the left side wall and the right side wall of the inner cavity of the top seat. This novel gaseous roots flowmeter device, the in-process of air current circulation if bring the residue in the connecting tube, and blocks the residue through the edulcoration subassembly, avoids it to reach when the circulation incasement supplies the flowmeter body to detect, influences the detection effect.

Description

Novel gas waist wheel flowmeter device

Technical Field

The utility model relates to the technical field of flowmeters, in particular to a novel gas roots flowmeter device.

Background

The gas waist wheel flowmeter is also called Roots flowmeter, mainly used for carrying on the high-accuracy meter of continuous or intermittent measurement to the gas or liquid flow in the pipeline, it has high precision, good reliability, light in weight, long-lived, running noise low and installing and using the convenient characteristic, etc., waist wheel flowmeter can point out the accumulated flow, instantaneous flow and single amount, etc. on the spot.

Gaseous roots flowmeter device in the existing market is various, but generally there is the dead shortcoming of easy card, at the gas flow in-process, can bring the residue that produces in the pipeline into the flowmeter, not only lead to the flowmeter to block up the card easily and die, can influence the measuring accuracy of flowmeter moreover, the condition of backward flow also can appear in the in-process of air current circulation, the flowmeter can lead to the inside card of appearance of flowmeter to die because of the air current of reverse circulation simultaneously, the practicality of flowmeter has been reduced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a novel gas waist wheel flowmeter device which has the advantages of being not easy to block and the like, and solves the problem that the detection effect is influenced because the flowmeter is easy to block.

In order to achieve the purpose, the utility model provides the following technical scheme: a novel gas Roots flowmeter device comprises a flowmeter body, wherein a circulation box is fixedly connected to the lower surface of the flowmeter body, the left side of the circulation box is communicated with an air inlet pipe, the right side of the circulation box is communicated with an air outlet pipe, an impurity removal assembly is fixedly connected inside the air inlet pipe, and an anti-backflow assembly is fixedly connected to the left side wall of an inner cavity of the circulation box;

the edulcoration subassembly includes the inside filter of fixed connection at the intake pipe, the inside swing joint of filter has the bull stick, the last fixed surface of intake pipe is connected with the footstock, the equal fixedly connected with locating piece of the left and right sides wall of footstock inner chamber, the inside swing joint of locating piece has the connecting rod, the outside conveying connection of connecting rod and bull stick has the connecting band, the outside fixedly connected with push jack of bull stick, the outside fixedly connected with carousel of connecting rod.

Further, the edulcoration subassembly still includes the collecting box of fixed connection at the intake pipe lower surface, the inside fixedly connected with slip table of collecting box.

Furthermore, the inner diameter of the positioning block is matched with the outer diameter of the connecting rod, and one end, close to the right positioning block, of the connecting rod penetrates through and extends to the right side of the top seat.

Further, the push sheet is movably connected to the left side of the filter plate, and the rotary table is movably connected to the right side of the top seat.

Further, the lower surface of intake pipe has been seted up the row's cinder notch, the row's cinder notch is towards the slip table direction, the length and the width of slip table equal with the length and the width of collecting box inner chamber respectively.

Further, the backflow prevention assembly comprises a drainage cover fixedly connected to the left side wall of the inner cavity of the circulation box, two positioning rods fixedly connected to the left side wall of the inner cavity of the circulation box, a cover plate movably connected to the outer sides of the positioning rods, and a spring fixedly connected to the outer sides of the left side wall of the inner cavity of the drainage cover and the positioning rods.

Further, the backflow prevention assembly further comprises a sealing ring fixedly connected to the left side of the cover plate, and the sealing ring faces the direction of the drainage cover.

Furthermore, the two positioning rods are symmetrically distributed on the left side and the right side of the axis in the circulation box, and the drainage cover faces the direction of the air inlet pipe.

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

1. this novel gaseous roots flowmeter device, the in-process of air current circulation if bring the residue in the connecting tube, and blocks the residue through the edulcoration subassembly, avoids it to reach when the circulation incasement supplies the flowmeter body to detect, influences the detection effect.

2. This novel gaseous roots flowmeter device, when the gaseous backward flow condition takes place for the circulation case in with the outlet tube, the apron under the anti-return subassembly receives the thrust of air current, laminates with the drainage cover and seals it, avoids gaseous backward flow.

Drawings

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

FIG. 2 is a schematic view of a trash removal assembly of the present disclosure;

FIG. 3 is a schematic view of the backflow prevention assembly of the present invention.

In the figure: 1 flowmeter body, 2 circulation casees, 3 intake pipe, 4 outlet ducts, 5 edulcoration subassemblies, 501 filter, 502 bull stick, 503 footstock, 504 locating piece, 505 connecting rod, 506 connecting band, 507 push jack, 508 carousel, 509 collecting box, 510 slip table, 6 anti-return subassembly, 601 drainage cover, 602 locating lever, 603 apron, 604 spring, 605 sealing washer.

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.

Please refer to fig. 1, a novel gas roots flowmeter device in this embodiment, including flowmeter body 1, flowmeter body 1's lower fixed surface is connected with circulation case 2, circulation case 2's left side intercommunication has intake pipe 3, circulation case 2's right side intercommunication has outlet duct 4, the inside fixedly connected with edulcoration subassembly 5 of intake pipe 3, get rid of impurity in the gas, avoid influencing the measurement of flow, the left side wall fixedly connected with anti-return subassembly 6 of circulation case 2 inner chamber, avoid gas backflow and flowmeter inside appearance card is dead.

Referring to fig. 2, in order to block the residue in the gas, the impurity removing assembly 5 in this embodiment includes a filter plate 501 fixedly connected inside the gas inlet pipe 3, the residue in the gas is blocked, a rotating rod 502 is movably connected inside the filter plate 501, a connecting rod 505 drives the rotating rod 502 on the lower side to rotate through a connecting band 506, the upper surface of the gas inlet pipe 3 is fixedly connected with a top seat 503, both the left and right side walls of the inner cavity of the top seat 503 are fixedly connected with a positioning block 504, the inside of the positioning block 504 is movably connected with a connecting rod 505, the connecting rod 505 is positioned and supported by the positioning block 504 and rotates along with a turntable 508, the connecting band 506 is transmitted and connected to the outer sides of the connecting rod 505 and the rotating rod 502, the connecting part of the connecting band 506 and the rotating rod 502 is located on the right side of the filter plate 501, so that the connecting band is not affected by the residue, a push sheet 507 is fixedly connected to the outer side of the rotating rod 502, a turntable 508 is fixedly connected to the outer side of the connecting rod 505, facilitating rotation of the connecting rod 505.

Impurity removal subassembly 5 still includes the collecting box 509 of fixed connection at the intake pipe 3 lower surface, collect the residue, the inside fixedly connected with slip table 510 of collecting box 509, make the residue remove to collecting box 509's left side, make things convenient for subsequent clearance, the internal diameter of locating piece 504 and the external diameter looks adaptation of connecting rod 505, the one end that connecting rod 505 is close to right side locating piece 504 runs through and extends to footstock 503's right side, push jack 507 swing joint is in the left side of filter 501, and in the activity, clear up the left residue of filter 501, carousel 508 swing joint is on the right side of footstock 503, the slag notch has been seted up to intake pipe 3's lower surface, the slag notch is towards slip table 510 direction, the residue that drops can reach the upside of slip table 510 through the slag notch, the length and the width of slip table 510 respectively equal with the length and the width of 509 collecting box inner chamber.

Referring to fig. 3, in order to avoid the backflow phenomenon of the gas, the backflow prevention assembly 6 in the embodiment includes a drainage cover 601 fixedly connected to the left side wall of the inner cavity of the circulation box 2, the gas is drained to enable the gas to pass through the cover plate 603 only, the left side wall of the inner cavity of the circulation box 2 is fixedly connected with two positioning rods 602, the cover plate 603 is positioned and supported, the cover plate 603 is movably connected to the outer side of the positioning rods 602, the drainage cover 601 is sealed, the spring 604 is fixedly connected to the left side wall of the inner cavity of the drainage cover 601 and located at the outer side of the positioning rods 602, and the drainage cover plate 603 is fixedly connected to the left side of the cover plate 603, so that the cover plate 603 is automatically reset subsequently.

The backflow prevention assembly 6 further comprises a sealing ring 605 fixedly connected to the left side of the cover plate 603, the effect of the cover plate 603 on the drainage cover 601 is improved, the sealing ring 605 can move to the inner wall of the drainage cover 601 towards the direction of the drainage cover 601, the two positioning rods 602 are symmetrically distributed on the left side and the right side of the central axis of the circulation box 2, and the drainage cover 601 faces the direction of the air inlet pipe 3.

The working principle of the above embodiment is as follows:

(1) when in detection, the gas enters the air inlet pipe 3 through the connecting pipeline and then reaches the inner part of the flow box 2 to be detected through the flowmeter body 1, when the gas brings the residue in the connecting pipeline, the gas contacts the filter plate 501 and blocks the residue to avoid the blockage and the blockage of the flowmeter body 1, after blocking the residue, it will stay on the filter plate 501, in order to avoid clogging of the filter plate 501, at this time the turntable 508 is rotated, when the filter plate rotates, the connecting rod 505 is driven to rotate, at the moment, the connecting rod 505 drives the rotating rod 502 on the lower side to rotate through the connecting belt 506, the connecting position of the connecting belt 506 and the rotating rod 502 is positioned on the right side of the filter plate 501, so can not receive the influence of residue, under the drive of bull stick 502, make the push away piece 507 remove at the upside of filter 501, and will stop the residue that falls at its upside, avoid causing the jam of filter 501.

(2) The residue that drops can drop to the upside of slip table 510, it reachs the interior left side position of collecting box 509 and stores, it makes things convenient for subsequent processing, gas can contact with apron 603 through intake pipe 3 and drainage cover 601, apron 603 receives the thrust of air current after, can remove right in the outside of locating lever 602, and can not be sealed with drainage cover 601, spring 604 warp and length increase simultaneously, if the device does not use or when the air current backward flow, apron 603 can receive effort left, sealing washer 605 can remove the inside of drainage cover 601 along with apron 603 this moment, and block up drainage cover 601, avoid taking place the phenomenon of backward flow, further avoid the inside card of flowmeter body 1 to die.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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

1. The utility model provides a novel gaseous roots flowmeter device, includes flowmeter body (1), its characterized in that: the lower surface of the flowmeter body (1) is fixedly connected with a circulation box (2), the left side of the circulation box (2) is communicated with an air inlet pipe (3), the right side of the circulation box (2) is communicated with an air outlet pipe (4), the interior of the air inlet pipe (3) is fixedly connected with an impurity removal assembly (5), and the left side wall of the inner cavity of the circulation box (2) is fixedly connected with an anti-backflow assembly (6);

impurity removal subassembly (5) are including filter (501) of fixed connection in intake pipe (3) inside, the inside swing joint of filter (501) has bull stick (502), the last fixed surface of intake pipe (3) is connected with footstock (503), the equal fixedly connected with locating piece (504) of the left and right sides wall of footstock (503) inner chamber, the inside swing joint of locating piece (504) has connecting rod (505), the outside conveying connection of connecting rod (505) and bull stick (502) has connecting band (506), the outside fixedly connected with push jack (507) of bull stick (502), the outside fixedly connected with carousel (508) of connecting rod (505).

2. The novel gas roots flowmeter device of claim 1, wherein: edulcoration subassembly (5) still include fixed connection in collecting box (509) of intake pipe (3) lower surface, the inside fixedly connected with slip table (510) of collecting box (509).

3. The novel gas roots flowmeter device of claim 1, wherein: the inner diameter of the positioning block (504) is matched with the outer diameter of a connecting rod (505), and one end, close to the right positioning block (504), of the connecting rod (505) penetrates through and extends to the right side of the top seat (503).

4. The novel gas roots flowmeter device of claim 1, wherein: the push sheet (507) is movably connected to the left side of the filter plate (501), and the turntable (508) is movably connected to the right side of the top seat (503).

5. The novel gas roots flowmeter device of claim 2, wherein: the lower surface of intake pipe (3) has been seted up the row's cinder notch, the row's cinder notch is towards slip table (510) direction, the length and the width of slip table (510) respectively with the length and the width equal of collecting box (509) inner chamber.

6. The novel gas roots flowmeter device of claim 1, wherein: anti-return assembly (6) include drainage cover (601) of fixed connection at circulation case (2) inner chamber left side wall, two locating levers (602) of left side wall fixedly connected with of circulation case (2) inner chamber, the outside swing joint of locating lever (602) has apron (603), the left side wall of drainage cover (601) inner chamber just is located outside fixedly connected with spring (604) of locating lever (602).

7. The novel gas roots meter device of claim 6, wherein: the backflow prevention assembly (6) further comprises a sealing ring (605) fixedly connected to the left side of the cover plate (603), and the sealing ring (605) faces the direction of the drainage cover (601).

8. The novel gas roots meter device of claim 6, wherein: two locating lever (602) are the left and right sides of symmetric distribution in circulation case (2) axis, drainage cover (601) is towards intake pipe (3) direction.