CN212807456U

CN212807456U - Static pressure calibration device for medium and low pressure body

Info

Publication number: CN212807456U
Application number: CN202021983235.4U
Authority: CN
Inventors: 王金涛
Original assignee: Qingdao Zhongce Testing Technology Service Co ltd
Current assignee: Qingdao Zhongce Testing Technology Service Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-03-26
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses a well low pressure body static pressure calibrating device, including the grab handle, the upper end spiro union of grab handle has the extension, and the lower extreme spiro union of grab handle has the closing cap, the cavity has been seted up to the inside of extension, and the even welding in outside of extension has the sleeve pipe, sheathed tube inside slidable mounting has the telescopic link, the outside of telescopic link has all welded the clamp plate, and the inside of telescopic link all is connected with the pipe, the outer wall of clamp plate evenly pastes there is the glued membrane, the lower extreme of pipe is connected to in the grab handle, exert pressure to the pressure vessel inner wall through providing pressure trend clamp plate, pressure sensor detects the pressure numerical value information of exporting the container lateral wall, the inside assembled mode of pressure sensor makes its sense terminal and clamp plate lateral wall reserve the fault-tolerant space, avoid unnecessary error information to type, this equipment solves the current problem of detecting calibration equipment that gathers some distribution inequality and gather and the point and treat that the laminating of calibration vessel inner wall is To give a title.

Description

Static pressure calibration device for medium and low pressure body

Technical Field

The utility model relates to a pressure equipment detects technical field, specifically is a middle and low pressure body static pressure calibrating device.

Background

The pressure body is a volume enclosed by three surfaces, namely a pressed curved surface, a vertical surface led to the free water surface through the periphery of the pressed curved surface, the free water surface or an extension surface thereof, and the like, the pressure body and the pressed surface are on the same side and are called as an actual pressure body, and the water pressure is downward; the pressure body and the pressure surface which are not on the same side are called as a virtual pressure body, and the water pressure is upward; the existing pressure calibration equipment has the problems of uneven distribution of pressure acquisition points and untight fit of a detection end.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a well low pressure body static pressure calibrating device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a well low pressure body static pressure calibrating device, includes the grab handle, the upper end spiro union of grab handle has the extension pipe, and the lower extreme spiro union of grab handle has the closing cap, the cavity has been seted up to the inside of extension pipe, and the even welding in outside of extension pipe has the sleeve pipe, sheathed tube inside slidable mounting has the telescopic link, the outside of telescopic link has all welded the clamp plate, and the inside of telescopic link all is connected with the pipe, the outer wall of clamp plate evenly pastes there is the glued membrane, the lower extreme of pipe is connected to in the grab handle.

Preferably, the caulking groove has all been seted up to the inside of glued membrane, the outside embedding of caulking groove has the baffle, and the inside embedding of caulking groove has the pressure sensor who welds in the baffle internal surface.

Preferably, an air inlet groove is formed in the telescopic rod, and an air flow speed limiting hole is embedded in the inner side of the sleeve.

Preferably, the detection end of the pressure sensor is attached to the side wall of the pressure plate.

Preferably, a compressor is fixedly installed inside the grab handle and is communicated with the conduit.

Preferably, the pressing plate is distributed at the upper end of the extension pipe in an arc shape.

Compared with the prior art, the beneficial effects of the utility model are that: a static pressure calibration device for a medium-low pressure body is characterized in that when pressure detection is carried out on the device, a worker stretches the tail end of an extension pipe into a pressure container, the compressor is started to supply air to the inner cavity of the sleeve by switching on an external power supply, the telescopic rod is compressed and extends outwards after the sleeve is inflated, according to the detection calibration interval, a plurality of detection devices with different size standards can be selected and produced to meet different market demands, the pressure trend pressing plate is provided to press the inner wall of the pressure container, the pressure sensor detects the pressure numerical value information output to the side wall of the container, the inward assembly mode of the pressure sensor ensures that the detection end and the side wall of the pressing plate can reserve a fault-tolerant space, thereby avoiding unnecessary error information input, the equipment solves the problems that the distribution of the collection points of the existing detection and calibration equipment is uneven and the adhesion between the collection points and the inner wall of a container to be calibrated is not tight enough through an inner wrapping type multi-point uniform pressure application detection mode.

Drawings

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

fig. 2 is an enlarged view of fig. 1 at a.

In the figure: the device comprises a handle 1, a compressor 2, an extension pipe 3, a sealing cover 4, a cavity 5, a guide pipe 6, a sleeve 7, a pressing plate 8, a glue film 9, an airflow speed-limiting hole 10, an expansion rod 11, an air inlet groove 12, an embedding groove 13, a baffle 14 and a pressure sensor 15.

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. 1-2, the present invention provides a technical solution: the utility model provides a well low pressure body static pressure calibrating device, including grab handle 1, the upper end spiro union of grab handle 1 has extension pipe 3, and the lower extreme spiro union of grab handle 1 has closing cap 4, cavity 5 has been seted up to the inside of extension pipe 3, and the even welding in outside of extension pipe 3 has sleeve pipe 7, the inside slidable mounting of sleeve pipe 7 has telescopic link 11, clamp plate 8 has all been welded in the outside of telescopic link 11, and telescopic link 11's inside all is connected with pipe 6, the outer wall of clamp plate 8 evenly pastes there is glued membrane 9, the lower extreme of pipe 6 is connected to in the grab handle 1.

Specifically, the rubber film 9 has a recessed groove 13 formed therein, a baffle 14 is fitted to the outside of the recessed groove 13, and a pressure sensor 15 welded to the inner surface of the baffle 14 is fitted to the inside of the recessed groove 13.

Specifically, an air inlet groove 12 is formed in the telescopic rod 11, and an air flow speed limiting hole 10 is embedded in the inner side of the sleeve 7.

Specifically, the detection end of the pressure sensor 15 is attached to the side wall of the platen 8.

Specifically, a compressor 2 is fixedly mounted inside the grip 1, and the compressor 2 communicates with the duct 6.

Specifically, the pressing plate 8 is distributed in an arc shape at the upper end of the extension pipe 3.

The working principle is as follows: when the utility model is used, when the equipment is used for pressure detection, the worker stretches the tail end of the extension pipe 3 into the pressure container, the compressor 2 is started to supply air to the inner cavity of the sleeve 7 by switching on an external power supply, the telescopic rod 11 is compressed and extends outwards after the sleeve 7 is inflated, according to the detection calibration interval, a plurality of detection devices with different size standards can be selected and produced to meet different market demands, the pressure trend pressing plate 8 is provided to press the inner wall of the pressure container, the pressure sensor 15 detects the pressure numerical value information output to the side wall of the container, the inward assembly mode of the pressure sensor 15 ensures that the detection end and the side wall of the pressing plate 8 can reserve a fault-tolerant space, thereby avoiding unnecessary error information input, the equipment solves the problems that the distribution of the collection points of the existing detection and calibration equipment is uneven and the adhesion between the collection points and the inner wall of a container to be calibrated is not tight enough through an inner wrapping type multi-point uniform pressure application detection mode.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a well low pressure body static pressure calibrating device, includes grab handle (1), its characterized in that: the utility model discloses a grab handle, including grab handle (1), extension pipe (3), and the lower extreme spiro union of grab handle (1) has closing cap (4), cavity (5) have been seted up to the inside of extension pipe (3), and the even welding in outside of extension pipe (3) has sleeve pipe (7), the inside slidable mounting of sleeve pipe (7) has telescopic link (11), clamp plate (8) have all been welded in the outside of telescopic link (11), and the inside of telescopic link (11) all is connected with pipe (6), the outer wall of clamp plate (8) is evenly pasted and is had glued membrane (9), the lower extreme of pipe (6) is connected to in grab handle (1).

2. The device for calibrating the static pressure of a medium-low pressure body according to claim 1, wherein: caulking grooves (13) are all seted up to the inside of glued membrane (9), the outside embedding of caulking grooves (13) has baffle (14), and the inside embedding of caulking grooves (13) has pressure sensor (15) of welding in baffle (14) internal surface.

3. The device for calibrating the static pressure of a medium-low pressure body according to claim 1, wherein: an air inlet groove (12) is formed in the telescopic rod (11), and an air flow speed limiting hole (10) is embedded in the inner side of the sleeve (7).

4. The device for calibrating the static pressure of a medium-low pressure body according to claim 2, wherein: the detection end of the pressure sensor (15) is attached to the side wall of the pressing plate (8).

5. The device for calibrating the static pressure of a medium-low pressure body according to claim 1, wherein: the compressor (2) is fixedly installed inside the grab handle (1), and the compressor (2) is communicated with the guide pipe (6).

6. The device for calibrating the static pressure of a medium-low pressure body according to claim 1, wherein: the pressing plate (8) is distributed at the upper end of the extension pipe (3) in an arc shape.