CN210981635U - Diaphragm pressure gauge and diaphragm vacuum gauge calibrating device - Google Patents

Diaphragm pressure gauge and diaphragm vacuum gauge calibrating device Download PDF

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Publication number
CN210981635U
CN210981635U CN201921609705.8U CN201921609705U CN210981635U CN 210981635 U CN210981635 U CN 210981635U CN 201921609705 U CN201921609705 U CN 201921609705U CN 210981635 U CN210981635 U CN 210981635U
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China
Prior art keywords
diaphragm
calibrating
pressure
flange
gauge
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Active
Application number
CN201921609705.8U
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Chinese (zh)
Inventor
任华妮
岳冰芳
李卓青
董艳霞
牛彩茹
柴辛茹
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Shanxi Beihua Guanlyu Chemical Industry Co ltd
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Shanxi Beihua Guanlyu Chemical Industry Co ltd
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Priority to CN201921609705.8U priority Critical patent/CN210981635U/en
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Publication of CN210981635U publication Critical patent/CN210981635U/en
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Abstract

The utility model relates to a manometer examination apparatus specifically is a diaphragm manometer, diaphragm vacuum gauge calibrating installation. The technical problem that the pressure calibration table cannot be connected with the diaphragm pressure gauge and calibrated is solved. A diaphragm pressure gauge and a diaphragm vacuum gauge calibrating device comprises a pressure calibrating table, wherein at least one calibrating head is arranged on the pressure calibrating table, an upward hole is formed in the calibrating head, and an internal thread is formed in the hole; a verification joint is arranged on at least one verification head; the verification connector comprises a flange and a connector connected to the bottom of the center of the flange; the joint is provided with an external thread, the joint is screwed into the internal thread on the check head through the external thread, and a rubber sheet is placed above the flange; bolts are sleeved in the screw holes on the periphery of the flange. The utility model has the advantages of simple structure, convenient operation, it can accomplish the comparatively special diaphragm pressure gauge of structure, the examination work of diaphragm vacuum gauge.

Description

Diaphragm pressure gauge and diaphragm vacuum gauge calibrating device
Technical Field
The utility model relates to a manometer examination apparatus specifically is a diaphragm manometer, diaphragm vacuum gauge calibrating installation.
Background
In the explosive production process, a membrane pressure gauge is often used in an acid storage tank, and a pressure calibration table cannot be connected with the pressure calibration gauge for calibration. Therefore, a special device is needed to be used for verifying the device so as to ensure the normal operation of the production.
The structures of the diaphragm pressure gauge and the diaphragm vacuum gauge are as follows (shown in figure 5): the pressure gauge comprises a gauge head and a bottom flange connected below the gauge head, wherein a diaphragm used for sensing external pressure is arranged in the center of the bottom flange, and screw holes are formed in the periphery of the bottom flange.
Disclosure of Invention
The utility model discloses an in solving the explosive production process, storing sour jar and often using the diaphragm pressure gauge, and the pressure check table can't be connected with it and carry out the technical problem that examines and determine, provides a diaphragm pressure gauge, diaphragm vacuum gauge calibrating installation.
The utility model discloses an adopt following technical scheme to realize: a diaphragm pressure gauge and a diaphragm vacuum gauge calibrating device comprises a pressure calibrating table, wherein at least one calibrating head is arranged on the pressure calibrating table, an upward hole is formed in the calibrating head, and an internal thread is formed in the hole; a verification joint is arranged on at least one verification head; the verification connector comprises a flange and a connector connected to the bottom of the center of the flange; the joint is provided with an external thread, the joint is screwed into the internal thread on the check head through the external thread, and a rubber sheet is placed above the flange; bolts are sleeved in the screw holes on the periphery of the flange.
During practical application, bottom flanges of a diaphragm pressure gauge and a diaphragm vacuum gauge to be calibrated are butted with flanges of calibration joints, bolts penetrate through screw holes on the periphery of the two flanges to position the two flanges, and the two flanges are contacted with rubber to prevent the diaphragm at the bottom of the pressure gauge from being damaged due to overlarge pressure. At the moment, operating the pressure checking platform, and transmitting the pressure to a diaphragm pressure gauge or a diaphragm vacuum gauge to be detected by the checking head through the joint, the flange and the rubber sheet; and comparing the input pressure value with a pressure meter or a vacuum meter to be verified.
Furthermore, the outer side of the checking head is spirally sleeved with a positioning sleeve.
The locating sleeve can be screwed upwards to further fix the joint.
The utility model has the advantages of simple structure, convenient operation, it can accomplish the comparatively special diaphragm pressure gauge of structure, the examination work of diaphragm vacuum gauge.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the pressure test bed of the present invention.
FIG. 3 is a schematic diagram of the pressure test stand with the verification connection installed.
Fig. 4 is a schematic structural view in practical use of the present invention.
FIG. 5 is a schematic view of the structure of a diaphragm pressure gauge and a diaphragm vacuum gauge.
FIG. 6 is a schematic view of a flange, a fitting, and a rubber.
1-pressure checking table, 2-flange, 3-joint, 4-bolt, 5-rubber, 6-gauge outfit, 7-bottom flange, 8-checking head, 9-positioning sleeve.
Detailed Description
As shown in fig. 1, a calibrating device for a diaphragm pressure gauge and a diaphragm vacuum gauge comprises a pressure calibrating table 1, wherein at least one calibrating head 8 is arranged on the pressure calibrating table 1, a hole facing upwards is formed in the calibrating head 8, and an internal thread is formed in the hole; a verification joint is arranged on at least one verification head 8; the verification joint comprises a flange 2 and a joint (tubular or rod-shaped) 3 connected to the central bottom of the flange 2; the joint 3 is provided with an external thread, the joint 3 is screwed into the internal thread on the check head 8 through the external thread, and the rubber 5 is placed above the flange 2; bolts 4 are sleeved in screw holes on the periphery of the flange 2.
The outer side of the checking head 8 is spirally sleeved with a positioning sleeve 9.
In fig. 2, a pressure calibration table is provided with a calibration head, and a positioning sleeve is sleeved on the calibration head.
In FIG. 3, the verification connection is mounted on the verification head and the alignment sleeve may further secure the connection by threading the external threads of the connection into the internal threads of the verification head.
In fig. 4, a gauge or a vacuum gauge of a diaphragm to be calibrated is mounted on the calibration joint through the bottom flange and the flange, and an external pressure sent by the pressure calibration stage is transmitted to the gauge or the vacuum gauge of the diaphragm to be calibrated through the calibration head, the joint and the rubber.
FIG. 5 is a schematic diagram of a diaphragm pressure gauge or a diaphragm vacuum gauge. A diaphragm is arranged below the bottom flange (the periphery of the bottom flange is provided with screw holes) to sense external pressure, and the external pressure is transmitted to the gauge outfit through a corresponding internal sensing mechanism and displays numerical values. FIG. 6 is a schematic structural diagram of a calibration joint, bolts are arranged on the periphery of a flange, the joint is arranged in the center of the flange, and a rubber sheet is placed above the flange.

Claims (2)

1. A diaphragm pressure gauge and a diaphragm vacuum gauge calibrating device comprises a pressure calibrating table (1), wherein at least one calibrating head (8) is arranged on the pressure calibrating table (1), a hole is formed in the calibrating head (8) and faces upwards, and an internal thread is formed in the hole; the device is characterized in that at least one checking head (8) is provided with a checking joint; the verification connector comprises a flange (2) and a connector (3) connected to the center bottom of the flange (2); the joint (3) is provided with an external thread, the joint (3) is screwed into the internal thread on the check head (8) through the external thread, and a rubber sheet (5) is placed above the flange (2); bolts (4) are sleeved in screw holes on the periphery of the flange (2).
2. The calibrating device for the diaphragm pressure gauge and the diaphragm vacuum gauge according to claim 1, wherein a positioning sleeve (9) is spirally sleeved outside the check head (8).
CN201921609705.8U 2019-09-26 2019-09-26 Diaphragm pressure gauge and diaphragm vacuum gauge calibrating device Active CN210981635U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921609705.8U CN210981635U (en) 2019-09-26 2019-09-26 Diaphragm pressure gauge and diaphragm vacuum gauge calibrating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921609705.8U CN210981635U (en) 2019-09-26 2019-09-26 Diaphragm pressure gauge and diaphragm vacuum gauge calibrating device

Publications (1)

Publication Number Publication Date
CN210981635U true CN210981635U (en) 2020-07-10

Family

ID=71415418

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921609705.8U Active CN210981635U (en) 2019-09-26 2019-09-26 Diaphragm pressure gauge and diaphragm vacuum gauge calibrating device

Country Status (1)

Country Link
CN (1) CN210981635U (en)

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