CN220871824U

CN220871824U - Multichannel flow transmitter

Info

Publication number: CN220871824U
Application number: CN202322065847.5U
Authority: CN
Inventors: 吴刚; 张容; 张洪
Original assignee: Hangzhou Meifeng Electronics Co ltd
Current assignee: Hangzhou Meifeng Electronics Co ltd
Priority date: 2023-08-02
Filing date: 2023-08-02
Publication date: 2024-04-30
Anticipated expiration: 2033-08-02

Abstract

The utility model relates to the technical field of transmitters, in particular to a multichannel flow transmitter which comprises a pipe body, wherein flanges are arranged at two ends of the pipe body, and a multichannel transmitter component for measuring pressure is arranged at the front end of the pipe body; a throttle plate is arranged in the pipe body, and a plurality of throttle holes are arranged on the throttle plate; an anti-blocking mechanism used for dredging the throttle hole and playing a role of anti-blocking is arranged on one side of the throttle plate in the pipe body. According to the utility model, the anti-blocking mechanism is arranged on one side of the throttle plate, and the blocked throttle hole can be poked out through the inserted link in the dredging frame, so that the dredging effect is achieved, the throttle plate is prevented from being blocked by sundries, sediment and the like after being used for a long time, the whole use of the transmitter is facilitated, and the trouble of taking down the transmitter after blocking is avoided.

Description

Multichannel flow transmitter

Technical Field

The utility model relates to the technical field of transmitters, in particular to a multichannel flow transmitter.

Background

A flow transmitter, also known as a flow sensor or flowmeter, is a device for measuring fluid flow rate and volume. Flow transmitters are widely used in industrial automation control systems, particularly in the field of flow monitoring and control of liquids and gases.

Through retrieval, chinese patent discloses a multichannel flow transmitter (authorized bulletin number: CN 213657968U), which comprises a meter body, a connecting plate and a differential pressure transmitter, wherein the differential pressure transmitter is arranged on the side surface of the meter body and is connected with the meter body through the connecting plate and used for detecting the differential pressure of fluid passing through a throttling orifice plate and converting the differential pressure into 4-20mA analog signals or digital signals; the meter body contains orifice plate, middle pipeline section, both sides flange, the orifice plate sets up on the radial cross-section of middle pipeline section, evenly distributed is a plurality of holes on the orifice plate, if there is the gas to pass through in the upper strata hole, if there is silt to pass through in the lower floor hole, has effectively solved gas-water distribution and silt siltation problem, and structural orifice plate bilateral symmetry is in order to satisfy the measurement demand that just reverses. The multichannel flow transmitter can effectively reduce the volume, save the cost and ensure the reliability and stability of flow measurement.

When the external liquid passes through the pipe body, the external liquid passes through one side of the throttle plate and passes through the throttle hole, and as some liquid possibly contains sediment, sundries and the like, although the upper part of the liquid is mostly water and gas, the sundries and the muddy sand in the lower part of the liquid can not be blocked when the throttle plate is used for a long time when the upper part of the liquid is mostly water and gas, and the normal flow of the liquid can be influenced. Accordingly, one skilled in the art would provide a multi-channel flow transmitter that addresses the problems set forth in the background above.

Disclosure of utility model

In order to solve the technical problems, the utility model provides a multichannel flow transmitter, which comprises a pipe body, wherein flanges are arranged at two ends of the pipe body, and a multichannel transmitter component for measuring pressure is arranged at the front end of the pipe body;

A throttle plate is arranged in the pipe body, and a plurality of throttle holes are arranged on the throttle plate;

An anti-blocking mechanism used for dredging the throttle hole and playing a role of anti-blocking is arranged on one side of the throttle plate in the pipe body.

Preferably: the anti-blocking mechanism comprises a rotating structure, a moving structure and a dredging frame, one end of the moving structure is connected to the throttle plate, the other end of the moving structure is fixed to the inner side wall of the pipe body, the dredging frame is arranged on the moving structure, power is provided through the rotating structure, the moving structure is driven to rotate, the base enables the dredging frame to move back and forth, the throttle plate is acted, and the purpose of dredging is achieved.

Preferably: the rotating structure is fixed at the top of the pipe body, the bottom of the rotating structure is meshed with one end of the moving structure, and the rotating structure is connected with the moving structure in a meshed mode, so that the structure is simple and easy to set.

Preferably: the rotating structure comprises a worm, the worm is meshed with the moving structure, the top of the worm penetrates through the top end wall of the pipe body and is provided with a motor, the motor is arranged in the outer cover, the bottom of the outer cover is fixed on the outer side wall of the pipe body and is sealed with the outer cover, the outer cover realizes the fixation of the motor, and meanwhile, the rotating structure is sealed in the pipe body, so that the leakage of internal liquid is prevented.

Preferably: the movable structure comprises a screw, one end of the screw is rotationally connected to the throttle plate, the other end of the screw is rotationally connected with the fixed plate, the end part of the fixed plate is fixed to the inner wall of the pipe body, the screw is in threaded connection with the dredging frame, the fixed plate is used for limiting and fixing the screw, and the dredging frame is driven to move when the screw rotates, so that dredging operation is completed.

Preferably: one end of the screw rod, which is close to the worm, is provided with a worm wheel, the worm wheel is meshed with the worm, one side of the screw rod is provided with a limiting rod between the fixed plate and the throttle plate, the limiting rod penetrates through the dredging frame and is in sliding connection with the dredging frame, the limiting rod plays a limiting role on the dredging frame, and the dredging frame can move under the action of the screw rod only through the limiting rod.

Preferably: the dredging frame comprises a frame body, a plurality of through holes are formed in the frame body, the outer diameter of the frame body is smaller than the inner diameter of the pipe body, the through holes and the outer diameter of the frame body are smaller than the inner diameter of the pipe body, and the purpose of the dredging frame is to reduce the influence of other structures on the flow of liquid in the pipe body as much as possible.

Preferably: the middle part of support body is equipped with the screw, and it is equipped with the slide hole with the screw adaptation, and is equipped with the gag lever post in it, both sliding connection, and one side that the support body is close to the throttle plate all is equipped with the inserted bar corresponding the position of each orifice on it, and the inserted bar sets up to the toper structure, and screw, slide hole and screw rod, gag lever post match, realize the purpose of removal, and the debris clearance in the orifice can be better to the conical inserted bar simultaneously.

The utility model has the technical effects and advantages that:

According to the utility model, the anti-blocking mechanism is arranged on one side of the throttle plate, and the blocked throttle hole can be poked out through the inserted link in the dredging frame, so that the dredging effect is achieved, the throttle plate is prevented from being blocked by sundries, sediment and the like after being used for a long time, the whole use of the transmitter is facilitated, and the trouble of taking down the transmitter after blocking is avoided.

Drawings

FIG. 1 is a schematic diagram of a multi-channel flow transmitter according to an embodiment of the present application;

FIG. 2 is a schematic diagram of a multi-channel flow transmitter according to an embodiment of the present application;

FIG. 3 is a left side view of a multi-channel flow transmitter provided by an embodiment of the present application;

FIG. 4 is a schematic view of the structure of the inside of a tube in a multi-channel flow transmitter according to an embodiment of the present application;

FIG. 5 is a schematic diagram of an anti-blocking mechanism in a multi-channel flow transmitter according to an embodiment of the present application;

FIG. 6 is an exploded view of an anti-blocking mechanism in a multi-channel flow transmitter according to an embodiment of the present application.

In the figure:

1. A tube body; 2. a flange; 3. a multi-channel transmitter assembly; 4. a throttle plate; 41. an orifice; 5. an anti-blocking mechanism; 51. a rotating structure; 52. a moving structure; 53. a dredging frame; 511. a worm; 512. a motor; 513. an outer cover; 522. a screw; 523. a worm wheel; 524. a fixing plate; 525. a limit rod; 531. a frame body; 532. a through hole; 533. a screw hole; 534. a slide hole; 535. and a plunger.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Examples

Referring to fig. 1 to 6, in this embodiment, a multi-channel flow transmitter is provided, including a pipe body 1, flanges 2 are disposed at two ends of the pipe body 1, the flanges 2 are used for butt-sealing the pipe body 1 and an external pipe, a multi-channel transmitter component 3 for measuring pressure is installed at the front end of the pipe body 1, and it should be noted that, the multi-channel transmitter component 3 in the present application adopts the prior art, and its specific principle is not explained herein;

The throttle plate 4 is arranged in the pipe body 1, a plurality of throttle holes 41 are arranged on the throttle plate 4, when external liquid passes through the pipe body 1, the external liquid passes through the throttle holes 41 from one side of the throttle plate 4 to the other side, and because some liquid possibly contains sediment, sundries and the like, although the upper part of the liquid is mostly water and gas, the sundries and the silt in the lower part of the liquid can not be blocked when the liquid passes through the throttle holes 41, the normal flow of the liquid can be influenced at the moment when the throttle plate 4 is used for a long time, and therefore, an anti-blocking mechanism 5 for dredging the throttle holes 41 and playing a role of preventing blocking is arranged on one side of the throttle plate 4 in the pipe body 1;

Specifically, the anti-blocking mechanism 5 includes a rotating structure 51, a moving structure 52 and a dredging frame 53, wherein one end of the moving structure 52 is connected to the throttle plate 4, the other end of the moving structure is fixed on the inner side wall of the pipe body 1, the dredging frame 53 is mounted on the moving structure 52 and moves back and forth on the moving structure under the action of the moving structure 52, so that the throttle hole 41 is opened and kept away, the opening has a dredging effect, and the normal work of the multichannel transmitter assembly 3 is kept away from the opening so that the normal work of the multichannel transmitter assembly 3 is not influenced;

The rotating structure 51 is fixed at the top of the pipe body 1, the bottom of the rotating structure is meshed with one end of the moving structure 52, and the rotating structure 51 drives the moving structure 52 to rotate to provide power for the moving structure, so that the dredging frame 53 can move back and forth;

the rotating structure 51 comprises a worm 511, the worm 511 is meshed with the moving structure 52, the top of the worm 511 passes through the top end wall of the pipe body 1 and is provided with a motor 512, the motor 512 works and drives the worm 511 to rotate, the moving structure 52 is further enabled to rotate, the motor 512 reverses, the moving structure 52 can drive the dredging frame 53 to be far away from the throttle plate 4, in order to fix the motor 512, the motor 512 is arranged in the outer cover 513, the outer cover 513 can protect the motor 512, and meanwhile, the bottom of the outer cover 513 is fixed on the outer side wall of the pipe body 1 and is sealed with the outer side wall of the pipe body, so that leakage of external liquid is prevented;

The moving structure 52 comprises a screw 522, one end of the screw 522 is rotatably connected to the throttle plate 4, the other end of the screw 522 is rotatably connected with the fixed plate 524, the end part of the fixed plate 524 is fixed on the inner wall of the pipe body 1, the screw 522 can be limited by the fixed plate 524 and the throttle plate 4, the screw 522 is in threaded connection with the dredging frame 53, and further, when the screw 522 rotates, the dredging frame 53 can be driven to move, a worm wheel 523 is arranged at one end of the screw 522, which is close to the worm 511, and the worm wheel 523 is meshed with the worm 511, so that when the worm 511 is driven to rotate by the motor 512, the worm wheel 523 can be driven to rotate, and the screw 522 can be driven to rotate, and further, the dredging frame 53 can be driven to move;

In order to enable the dredging frame 53 to stably move, a limiting rod 525 is further arranged between the fixed plate 524 and the throttle plate 4 at one side of the screw 522, the limiting rod 525 penetrates through the dredging frame 53 and is in sliding connection with the same, and the dredging frame 53 can move left and right due to the limiting effect of the limiting rod 525;

The dredging frame 53 comprises a frame body 531, a plurality of through holes 532 are formed in the frame body 531, the outer diameter of the frame body 531 is smaller than the inner diameter of the pipe body 1, the frame body 531 is arranged to be smaller in outer diameter, and the purpose of the plurality of through holes 532 is to enable liquid to flow smoothly, interference to flowing of the liquid in the pipe body 1 is avoided, and in the process of dredging, the frame body 531 is located at a position away from the throttle plate 4, so that influence on flowing liquid is further reduced;

The middle part of support 531 is equipped with the screw 533, it and screw 522 adaptation, and be equipped with slide hole 534 in one side of screw 533, install gag lever post 525 in it, both sliding connection, one side that support 531 is close to throttle plate 4 corresponds each orifice 41's position on it all is equipped with inserted bar 535, when screw 522 rotates, drive support 531 and remove, inserted bar 535 can insert in orifice 41, and then clear up debris or silt etc. in it, accomplish the mediation, for making the better operation of inserted bar 535, inserted bar 535 sets up to the toper structure, its tip can be better open orifice 41, clear up the debris of its inside.

According to the utility model, the anti-blocking mechanism 5 is arranged on one side of the throttle plate 4, and the blocked throttle hole 41 can be poked through the inserted rod 535 in the dredging frame 53, so that the dredging effect is achieved, the throttle plate 4 is prevented from being blocked by sundries, sediment and the like after being used for a long time, the whole use of the transmitter is facilitated, and the trouble of taking down the transmitter after blocking is avoided.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims

1. A multichannel flow transmitter comprises a pipe body (1), flanges (2) are arranged at two ends of the pipe body (1), and a multichannel transmitter component (3) for measuring pressure is arranged at the front end of the pipe body (1);

A throttle plate (4) is arranged in the pipe body (1), and a plurality of throttle holes (41) are arranged on the throttle plate (4);

The method is characterized in that:

An anti-blocking mechanism (5) used for dredging the throttle hole (41) and playing an anti-blocking role is arranged on one side of the throttle plate (4) in the pipe body (1).

2. The multi-channel flow transmitter according to claim 1, wherein the anti-blocking mechanism (5) comprises a rotating structure (51), a moving structure (52) and a dredging frame (53), one end of the moving structure (52) is connected to the throttle plate (4), the other end of the moving structure is fixed on the inner side wall of the pipe body (1), and the dredging frame (53) is mounted on the moving structure (52).

3. A multi-channel flow transmitter according to claim 2, characterized in that the rotating structure (51) is fixed to the top of the tube body (1) with its bottom engaging one end of the moving structure (52).

4. A multi-channel flow transmitter according to claim 3, characterized in that the rotating structure (51) comprises a worm (511), the worm (511) being engaged with the moving structure (52) with its top passing through the top end wall of the tube (1) and being fitted with a motor (512), the motor (512) being fitted in a housing (513), the bottom of the housing (513) being fixed to the outer side wall of the tube (1) and being sealed thereto.

5. The multi-channel flow transmitter of claim 4 wherein the moving structure (52) comprises a screw (522), one end of the screw (522) is rotatably connected to the throttle plate (4), the other end is rotatably connected to the fixing plate (524), the end of the fixing plate (524) is fixed to the inner wall of the pipe body (1), and the screw (522) is in threaded connection with the dredging frame (53).

6. The multi-channel flow transmitter of claim 5 wherein one end of the screw (522) adjacent to the worm (511) is provided with a worm wheel (523), the worm wheel (523) is meshed with the worm (511), one side of the screw (522) is further provided with a limit rod (525) between the fixed plate (524) and the throttle plate (4), and the limit rod (525) passes through the dredging frame (53) and is slidably connected with the dredging frame.

7. The multi-channel flow transmitter of claim 6, wherein the dredging frame (53) comprises a frame body (531), a plurality of through holes (532) are formed in the frame body (531), and the outer diameter of the frame body (531) is smaller than the inner diameter of the pipe body (1).

8. The multi-channel flow transmitter according to claim 7, wherein the middle part of the frame body (531) is provided with a screw hole (533) which is adapted to the screw rod (522), one side of the screw hole (533) is provided with a sliding hole (534), a limiting rod (525) is installed in the sliding hole, the sliding hole and the sliding hole are in sliding connection, one side of the frame body (531) close to the throttle plate (4) is provided with a plug rod (535) corresponding to the position of each throttle hole (41) on the frame body, and the plug rod (535) is in a conical structure.