CN216695202U

CN216695202U - Flowmeter checking equipment based on differential pressure sensor

Info

Publication number: CN216695202U
Application number: CN202123159869.5U
Authority: CN
Inventors: 田博仁; 冯岱; 颜晨; 徐振宁; 刘连骏
Original assignee: Tianjin Syp Glass Co ltd
Current assignee: Tianjin Syp Glass Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-06-07
Anticipated expiration: 2031-12-15

Abstract

The utility model discloses flowmeter calibration equipment based on a differential pressure sensor, which comprises a shell, a sensor body, a power box, a knob, a connecting column, a sliding plate, a clamping spring and a positioning plate, wherein the sensor body is arranged at the top of the shell, the bottom of the sensor body extends into the shell and is clamped with the shell, the power box is fixedly connected to two sides of the top of the shell, the knob is arranged on one side of the power box, which is far away from the sensor body, the connecting column is fixedly connected to the opposite side of the knob, one side of the connecting column, which is far away from the knob, penetrates into the interior of the sensor body, and the sliding plate is movably connected to the surface of the connecting column. The utility model solves the problems that the prior flowmeter is inconvenient to disassemble and assemble when in use, a user is required to disassemble and assemble the bolt when in maintenance, the flowmeter generally flows through liquid, the working environment is relatively wet, the disassembling and assembling bolt is easy to rust, and the bolt is easy to damage after long-time use.

Description

Flowmeter checking equipment based on differential pressure sensor

Technical Field

The utility model relates to the technical field of flowmeter calibration equipment, in particular to flowmeter calibration equipment based on a differential pressure sensor.

Background

The flowmeter can be used during the calibration of the differential pressure sensor, the existing flowmeter is inconvenient to disassemble and assemble when in use, the flowmeter is maintained by a user to disassemble and assemble bolts, the flowmeter can flow liquid generally, the working environment is wet, so the disassembling and assembling bolts are easy to rust, and the bolts are easy to damage after long-time use and are inconvenient to use.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background art, the utility model aims to provide a flowmeter calibration device based on a differential pressure sensor, which has the advantage of being not easy to damage, and solves the problems that the existing flowmeter is inconvenient to disassemble and assemble during use, a user is required to disassemble and assemble a bolt during maintenance of the flowmeter, the flowmeter generally flows through liquid, the working environment is wet, the disassembled and assembled bolt is easy to rust, and the bolt is easy to damage after long-time use.

In order to achieve the purpose, the utility model provides the following technical scheme: a flowmeter checking device based on a differential pressure sensor comprises a shell, a sensor body, a power box, a knob, a connecting column, a sliding plate, clamping springs and a positioning plate, wherein the sensor body is arranged at the top of the shell, the bottom of the sensor body extends into the shell and is clamped with the shell, the power box is fixedly connected to two sides of the top of the shell, the knob is arranged on one side of the power box, which is far away from the sensor body, the connecting column is fixedly connected to one side of the knob, one side of the connecting column, which is far away from the knob, penetrates into the interior of the sensor body, the sliding plate is movably connected to the surface of the connecting column, the top and the bottom of the sliding plate are both in sliding connection with the top and the bottom of the inner wall of the power box, the clamping springs are fixedly connected to one side of the sliding plate, which is far away from the sliding plate, and are fixedly connected with the inner wall of the power box, the positioning plate is fixedly connected to the front surface and the back surface of the connecting column on one side far away from the knob.

Preferably, the sensor body is provided with a connecting groove inside for matching with the connecting column, and the inner wall of the connecting groove is provided with a screwing groove for matching with the positioning plate.

Preferably, the top and the bottom of the inner wall of the power box are both fixedly connected with sliding rails, and the sliding rails are slidably connected with the sliding plates.

Preferably, the surface of the connecting column is sleeved with a sealing ring, and the sealing ring is fixedly connected with the power box.

Preferably, the top and the bottom of the inner wall of the power box, which are far away from the knob, are both fixedly connected with crash pads, and the crash pads are in contact with the sliding plate.

Preferably, an anti-abrasion pad is fixedly connected to one side of the connecting column away from the knob, and the anti-abrasion pad is in close contact with the connecting groove.

Compared with the prior art, the utility model has the following beneficial effects:

1. the flowmeter calibration device based on the differential pressure sensor has the advantages that the flowmeter calibration device based on the differential pressure sensor is not easy to damage, and is not easy to damage.

2. The positioning plate fixing device is provided with the connecting groove and the screwing groove, and can be matched with the connecting column and the positioning plate, and after the connecting column enters the connecting groove, a user rotates the connecting column to enable the positioning plate to enter the screwing groove, so that fixing is completed.

3. The sliding plate can be fixed by arranging the sliding rail, and the sliding plate can be limited from shaking up and down when sliding left and right, so that the phenomenon that the sliding plate is moved and clamped due to shaking up and down is avoided.

4. According to the utility model, the sealing ring is arranged, so that a gap between the connecting column and the power box can be sealed, and external impurities are prevented from entering the power box to influence the operation of parts in the power box.

5. The anti-collision pad is arranged, so that an anti-collision effect can be achieved between the sliding plate and the inner wall of the power box, and the phenomenon that the sliding plate and the power box are damaged after being collided is avoided.

6. The anti-abrasion pad is arranged, so that the phenomenon that a connecting column collides with the inner wall of the connecting groove for a long time to cause abrasion due to excessive force when a user moves the connecting column can be avoided.

Drawings

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

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

fig. 3 is a front sectional view of the power box of the present invention.

In the figure: 1. a housing; 2. a sensor body; 3. a power box; 4. a knob; 5. connecting columns; 6. a sliding plate; 7. a chucking spring; 8. positioning a plate; 9. connecting grooves; 10. screwing the groove; 11. a slide rail; 12. a seal ring; 13. an anti-collision pad; 14. an anti-wear pad.

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.

As shown in fig. 1 to 3, the flowmeter calibration device for a differential pressure sensor provided by the utility model comprises a housing 1, a sensor body 2, a power box 3, a knob 4, a connecting column 5, a sliding plate 6, a clamping spring 7 and a positioning plate 8, wherein the sensor body 2 is arranged at the top of the housing 1, the bottom of the sensor body 2 extends into the housing 1 and is clamped with the housing 1, the power box 3 is fixedly connected to two sides of the top of the housing 1, the knob 4 is arranged at one side of the power box 3 far away from the sensor body 2, the connecting column 5 is fixedly connected to one side opposite to the knob 4, one side of the connecting column 5 far away from the knob 4 penetrates into the interior of the sensor body 2, the sliding plate 6 is movably connected to the surface of the connecting column 5, the top and the bottom of the sliding plate 6 are both slidably connected with the top and the bottom of the inner wall of the power box 3, and the clamping spring 7 is fixedly connected to one side of the sliding plate 6 far away from the sensor body 2, one side of the clamping spring 7 far away from the sliding plate 6 is fixedly connected with the inner wall of the power box 3, and the positioning plate 8 is fixedly connected with the front side and the back side of the connecting column 5 far away from one side of the knob 4.

Referring to fig. 3, a connecting groove 9 matched with the connecting column 5 is formed in the sensor body 2, and a screwing groove 10 matched with the positioning plate 8 is formed in the inner wall of the connecting groove 9.

As a technical optimization scheme of the utility model, the connecting groove 9 and the screwing groove 10 are arranged to be matched with the connecting column 5 and the positioning plate 8, and after the connecting column 5 enters the connecting groove 9, a user rotates the connecting column 5 to enable the positioning plate 8 to enter the screwing groove 10, so that the fixing is completed.

Referring to fig. 3, the top and the bottom of the inner wall of the power box 3 are both fixedly connected with slide rails 11, and the slide rails 11 are slidably connected with the sliding plate 6.

As a technical optimization scheme of the utility model, the sliding plate 6 can be fixed by arranging the sliding rail 11, and the sliding plate 6 can be limited from shaking up and down when sliding left and right, so that the phenomenon that the sliding plate 6 is moved and clamped when shaking up and down is avoided.

Referring to fig. 3, the surface of the connecting column 5 is sleeved with a sealing ring 12, and the sealing ring 12 is fixedly connected with the power box 3.

As a technical optimization scheme of the utility model, the sealing ring 12 is arranged, so that a gap between the connecting column 5 and the power box 3 can be sealed, and external impurities are prevented from entering the power box 3 to influence the operation of parts in the power box 3.

Referring to fig. 3, crash pads 13 are fixedly connected to the top and the bottom of the inner wall of the power box 3 on the side away from the knob 4, and the crash pads 13 are in contact with the sliding plate 6.

As a technical optimization scheme of the utility model, the anti-collision cushion 13 is arranged, so that an anti-collision effect can be achieved between the sliding plate 6 and the inner wall of the power box 3, and the phenomenon of damage after the sliding plate and the power box are collided is avoided.

Referring to fig. 3, a wear-proof pad 14 is fixedly connected to a side of the connecting column 5 away from the knob 4, and the wear-proof pad 14 is in close contact with the connecting groove 9.

As a technical optimization scheme of the utility model, the wear-resistant pad 14 is arranged, so that the situation that the connecting column 5 collides with the inner wall of the connecting groove 9 for a long time to cause wear due to excessive force when a user moves the connecting column 5 can be avoided.

The working principle and the using process of the utility model are as follows: during the use, the user rotates knob 4 ninety degrees, knob 4 drives spliced pole 5 and rotates ninety degrees, sliding plate 6 fixes it on its surface when spliced pole 5 rotates, then spliced pole 5 drives 8 rotatory ninety degrees of locating plate, make spliced pole 5 can drive the inside that the reference column left sensor body 2, then the user removes knob 4 to one side of keeping away from headstock 3, last user rebound sensor body 2 can accomplish the dismantlement, when the installation, the user reverse operation can, because fixed part is inside headstock 3, be difficult for receiving external environment influence, thereby can realize not fragile effect.

In summary, the following steps: this based on flowmeter check-up equipment for differential pressure sensor, through setting up casing 1, sensor body 2, headstock 3, knob 4, spliced pole 5, sliding plate 6, chucking spring 7 and locating plate 8's cooperation use, it is inconvenient to have solved current flowmeter dismouting when using, needs user's dismouting bolt when the flowmeter is maintained, and the flowmeter generally can flow through liquid, and operational environment is comparatively moist, so the dismouting bolt rusts easily, the problem of the easy damage of bolt after using for a long time.

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.

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 flowmeter check-up equipment for differential pressure sensor which characterized in that: the sensor comprises a shell (1), a sensor body (2), a power box (3), a knob (4), a connecting column (5), a sliding plate (6), a clamping spring (7) and a positioning plate (8), wherein the sensor body (2) is arranged at the top of the shell (1), the bottom of the sensor body (2) extends into the shell (1) and is clamped with the shell (1), the power box (3) is fixedly connected with two sides of the top of the shell (1), the knob (4) is arranged at one side of the power box (3) far away from the sensor body (2), the connecting column (5) is fixedly connected with one side opposite to the knob (4), one side of the connecting column (5) far away from the knob (4) penetrates into the interior of the sensor body (2), the sliding plate (6) is movably connected with the surface of the connecting column (5), and the top and the bottom of the sliding plate (6) are both in sliding connection with the top and the bottom of the inner wall of the power box (3), the clamping spring (7) is fixedly connected to one side, far away from the sensor body (2), of the sliding plate (6), one side, far away from the sliding plate (6), of the clamping spring (7) is fixedly connected with the inner wall of the power box (3), and the positioning plate (8) is fixedly connected to one side, far away from the knob (4), of the front face and the back face of the connecting column (5).

2. The differential pressure sensor-based flow meter calibration device of claim 1, wherein: the sensor comprises a sensor body (2), wherein a connecting groove (9) matched with a connecting column (5) for use is formed in the sensor body (2), and a screwing groove (10) matched with a positioning plate (8) for use is formed in the inner wall of the connecting groove (9).

3. The differential pressure sensor-based flow meter calibration device of claim 1, wherein: the top and the bottom of the inner wall of the power box (3) are fixedly connected with sliding rails (11), and the sliding rails (11) are connected with the sliding plate (6) in a sliding mode.

4. The differential pressure sensor-based flow meter calibration device of claim 1, wherein: the surface cover of spliced pole (5) is equipped with sealing washer (12), sealing washer (12) and headstock (3) fixed connection.

5. The differential pressure sensor-based flow meter calibration device of claim 1, wherein: the top and the bottom of one side of the inner wall of the power box (3) far away from the knob (4) are fixedly connected with anti-collision pads (13), and the anti-collision pads (13) are in contact with the sliding plate (6).

6. The differential pressure sensor-based flow meter calibration device of claim 2, wherein: one side fixedly connected with abrasionproof pad (14) that knob (4) were kept away from in spliced pole (5), abrasionproof pad (14) and spread groove (9) in close contact with.