CN217331448U

CN217331448U - Damping integrated anti-seismic pressure gauge

Info

Publication number: CN217331448U
Application number: CN202220781732.9U
Authority: CN
Inventors: 周永华
Original assignee: Zhejiang Pusaixun Instrument Co ltd
Current assignee: Zhejiang Pusaixun Instrument Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-08-30
Anticipated expiration: 2032-04-07

Abstract

The utility model discloses a damping integrated form antidetonation manometer, including watchcase, indicating mechanism, the manometer connecting seat, install the forked spring component on the watchcase joint of watchcase, correspond on the manometer connecting seat and be equipped with interface and upper and lower cavity about, be equipped with damping regulation passageway between the upper and lower cavity, be equipped with damping screw on the damping regulation passageway, be equipped with the diaphragm on the upper step between upper interface and the last cavity, the base of forked spring component compresses tightly fixedly through the watchcase joint, be equipped with the ejector pin between forked spring component and last diaphragm, it compresses tightly fixedly to be equipped with down the diaphragm and through compressing tightly the swivel nut on the lower step between lower interface and the last cavity, the intussuseption of upper and lower cavity is filled with hydraulic oil, upper and lower diaphragm, upper and lower cavity, damping regulation passageway, damping screw constitutes the hydraulic cushion adjusting device even as an organic whole with the manometer connecting seat. After adopting this structure, have simple structure reasonable, production and processing is convenient, assembly efficiency and yield advantage such as high.

Description

Damping integrated anti-seismic pressure gauge

Technical Field

The utility model relates to a pressure measurement technical field, especially a damping integrated form antidetonation manometer for complicated medium environment.

Background

The pressure gauge is a pressure measuring instrument which is suitable for the severe vibration place of the environment and can resist medium pulsation, impact and sudden unloading, and is characterized by good earthquake resistance and superior medium pulsation resistance, and is mainly used for viscous media and working environments with large pressure fluctuation. When the anti-seismic pressure gauge is used for pulsating pressure, the pressure can be converted into stable pressure to be transmitted to the elastic element through the damping component inside the anti-seismic pressure gauge, then the pointer is driven by the movement to display the pressure, and the anti-seismic pressure gauge is widely applied to industries such as heavy machinery, mines, petroleum, chemical industry, metallurgy and the like, is particularly suitable for equipment such as petroleum production, geological exploration, well drilling, well cementation, fracturing and the like, and is used for directly reading and displaying the pressure on site.

The existing anti-seismic pressure gauge is generally a damping split type anti-seismic pressure gauge and comprises a meter shell, a meter cover, meter glass, a dial, a pointer, a movement assembly, a fork spring element, a pressure gauge connecting seat, a protective plug, a damping assembly and other parts, wherein the damping assembly comprises an upper cover, a lower cover, a damping piece body, a damping screw, an upper sealing ring, a lower sealing ring, a thin film sheet and other parts, and a closed part is formed through processes of debugging, assembling, extruding and the like. During operation outside pressure medium passes through the manometer connecting seat and gets into the instrument, and the process damping subassembly changes pulsating pressure into steady pressure output, promotes the fork spring component and opens, and the fork spring component drives the pointer through core assembly again and rotates to indicate pressure value.

The existing anti-seismic pressure gauge has the following defects: parts such as a damping part body, a gland and the like need to be manufactured independently, and then a closed part is formed through debugging, assembling and extruding, so that the structure is complex, the processing difficulty is high, a plurality of parts are provided, unqualified products such as oil leakage and the like are easy to generate, and the quality control requirement is high; in the assembling and extruding process, the front and back sides are required to be extruded, and the extrusion pressing force needs to be strictly controlled, so that the process difficulty is high. Therefore, many scientific research institutions and manufacturers develop and develop the products, but no ideal products are available.

Disclosure of Invention

For overcoming the above-mentioned defect that prior art exists, the utility model aims at providing a simple structure is reasonable, production and processing is convenient, assembly efficiency and yield are high, product quality reliable and stable's damping integrated form antidetonation manometer.

The utility model solves the technical problems and adopts the technical proposal that the utility model comprises a watchcase, an indicating mechanism and a pressure gauge connecting seat, wherein the watchcase is provided with a watchcase joint, the watchcase joint is provided with a fork spring element connected with the indicating mechanism, the upper part of the pressure gauge connecting seat is provided with an upper interface and an upper cavity, the lower part of the pressure gauge connecting seat is provided with a lower interface and a lower cavity, a damping adjusting channel is arranged between the upper cavity and the lower cavity, the damping adjusting channel is provided with a damping screw for adjusting the flow, the upper step between the upper interface and the upper cavity is provided with an upper diaphragm and a base of the fork spring element which are in sealing fit and are fixedly connected and pressed by the watchcase joint and the upper interface, a mandril is arranged between the fork spring element and the upper diaphragm, the lower step between the lower interface and the upper cavity is provided with a lower diaphragm which is in sealing fit and is pressed and fixed by a pressing screw sleeve, the upper cavity and the lower cavity are filled with hydraulic oil, the upper diaphragm, the upper chamber, the damping adjusting channel, the damping screw, the lower chamber and the lower diaphragm form a hydraulic buffering adjusting device which is connected with the pressure gauge connecting seat into a whole.

The utility model discloses a further scheme, be equipped with seal ring between upper ledge and the last diaphragm, be equipped with down seal ring between lower ledge and the lower diaphragm.

The utility model discloses a further scheme, the watchcase connect and be equipped with positioning groove, be equipped with on the fork spring component with positioning groove tight fit prevent pivoted locating piece.

The utility model discloses a further scheme, the manometer connecting seat connect for the hexagonal, its lower part is equipped with the external screw thread that is used for the installation.

After the structure is adopted, compared with the prior art, the utility model has the following advantages: first, upper portion through the manometer connecting seat is equipped with interface and last cavity, the lower part is equipped with interface and cavity down, it adjusts the passageway to go up to be equipped with the damping between cavity and the cavity down, be equipped with the damping screw of regulation flow on the damping adjusts the passageway, it goes up to be equipped with sealed complex on the step between interface and the last cavity to go up to be equipped with sealed complex diaphragm down on the step down between interface and the last cavity and compress tightly fixedly through compressing tightly the swivel nut, it has hydraulic oil to go up cavity and cavity under chamber intussuseption, thereby make the diaphragm, go up the cavity, the damping adjusts the passageway, the damping screw, the hydraulic cushion adjusting device who is even as an organic whole with the manometer connecting seat is constituteed to cavity and lower diaphragm, the assembly structure and the production technology of antidetonation manometer have been simplified greatly, and production cost is reduced. Secondly, when the device works, a working medium is extruded from the lower diaphragm, hydraulic oil in the lower chamber flows to the upper chamber through a thread groove formed by the damping screw and the damping adjusting channel after being extruded by the lower diaphragm, the hydraulic oil in the upper chamber transfers pressure to the ejector rod through the upper diaphragm, the ejector rod transfers pressure to press the fork spring element, the fork spring element is opened and drives the movement assembly, and the movement assembly drives the pointer to rotate to realize pressure indication, so that the purpose of measuring the pressure of the working medium is achieved; because the working medium is isolated by the hydraulic buffer adjustable device and does not enter the pressure gauge, the pressure gauge is not influenced by the working medium and can be applied to any environment. And thirdly, the flow of the thread line groove formed by the damping screw and the damping adjusting channel can be adjusted through the damping screw, the pulsating pressure of the working medium is changed into stable pressure, and the pointer can be ensured to stably indicate the working pressure. Fourthly, the compression amount and the sealing performance are controlled by the screwing force of the compression screw sleeve and the lower interface, and the assembly efficiency and the yield can be greatly improved.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic view of the exploded structure of the present invention.

Fig. 3 is a schematic view of the section a-a of fig. 1 according to the present invention.

The device comprises a meter cover 1, a meter glass 2, a pointer 3, a dial 4, a movement assembly 5, a meter shell 6, a meter shell joint 7, a cross spring element 8, a push rod 9, an upper diaphragm 10, an upper sealing washer 11, a pressure meter connecting seat 12, a damping screw 13, a lower sealing washer 14, a lower diaphragm 15, a compression screw sleeve 16, a positioning clamping groove 17, a positioning block 18, an upper cavity 19, a damping adjusting channel 20, a lower cavity 21, an upper interface 22 and a lower interface 23.

Detailed Description

Fig. 1 to 3 show that, for the utility model discloses a specific implementation scheme of damping integrated form antidetonation manometer, it includes watchcase 6, indicating mechanism, manometer connecting seat 12, and indicating mechanism includes core assembly 5, calibrated scale 4, pointer 3, and core assembly 5 and calibrated scale 4 are installed in watchcase 6, and pointer 3 is installed on core assembly 5 to by the table glass 2 and the table lid 1 closing cap that fix with watchcase 6, watchcase 6 on be equipped with watchcase joint 7, install the forked spring component 8 of being connected with core assembly 5 on the watchcase joint 7, the upper portion of manometer connecting seat 12 is equipped with interface 22 and upper chamber 19, and the lower part is equipped with interface 23 and lower chamber 21 down, is equipped with damping adjustment passageway 20 between upper chamber 19 and the lower chamber 21, is equipped with the damping screw 13 of adjusting flow on the damping adjustment passageway 20, is equipped with sealed complex last diaphragm 10 on the step between upper interface 22 and the upper chamber 19, The base of the fork spring element 8 is fixedly connected and pressed and fixed with the upper interface 22 through the watchcase joint 7, a mandril 9 is arranged between the fork spring element 8 and the upper diaphragm 10, a lower diaphragm 15 which is in sealing fit with the lower interface 23 and is arranged on a lower step between the lower interface 23 and the upper chamber 19 and is pressed and fixed through a pressing threaded sleeve 16, the upper chamber 19 and the lower chamber 21 are filled with hydraulic oil, and the upper diaphragm 10, the upper chamber 19, the damping adjusting channel 20, the damping screw 13, the lower chamber 21 and the lower diaphragm 15 form a hydraulic buffering adjusting device which is connected with the pressure gauge connecting seat 12 into a whole.

In order to facilitate the isolation and sealing of hydraulic oil, an upper sealing washer 11 is arranged between the upper step and the upper membrane 10, and a lower sealing washer 14 is arranged between the lower step and the lower membrane 15.

In order to facilitate the installation and fixation of the fork spring element 8, a positioning slot 17 is arranged on the case joint 7, and a positioning block 18 which is tightly matched with the positioning slot 17 to prevent rotation is arranged on the fork spring element 8.

In order to facilitate the installation and the disassembly, the pressure gauge connecting seat 12 is a hexagonal joint, the lower part of the pressure gauge connecting seat is provided with external threads consistent with the existing anti-seismic pressure gauge, and the existing anti-seismic pressure gauge can be comprehensively replaced.

The utility model discloses during operation, diaphragm 15 under working medium's the extrusion, cavity 19 is flowed to the screw thread groove that forms through damping screw 13 and damping adjustment channel 20 after cavity 21's hydraulic oil receives down diaphragm 15 extrusion, and the hydraulic oil of going up cavity 19 passes through last diaphragm 10 and transmits pressure for ejector pin 9, and ejector pin 9 transmits roof pressure fork spring component 8, and fork spring component 8 opens and drives movement assembly 5, and movement assembly 5 drives 3 rotations of pointer and realizes pressure indication. In order to ensure that the pointer 3 stably indicates the working pressure, the flow of the thread line groove formed by the damping screw 13 and the damping adjusting channel 19 can be adjusted through the damping screw 13, so that the pulsating pressure of the working medium is changed into stable pressure.

The above description is only the specific embodiment of the present invention, and is not intended to limit the present invention in any form, and the present invention does not depart from the technical solution of the present invention, and the made simple modification, equivalent change or modification all fall into the protection scope of the present invention.

Claims

1. The utility model provides a damping integrated form antidetonation manometer, includes watchcase (6), indicating mechanism, manometer connecting seat (12), characterized by: the pressure gauge is characterized in that a watchcase joint (7) is arranged on the watchcase (6), a fork spring element (8) connected with an indicating mechanism is installed on the watchcase joint (7), an upper interface (22) and an upper chamber (19) are arranged on the upper portion of a pressure gauge connecting seat (12), a lower interface (23) and a lower chamber (21) are arranged on the lower portion of the pressure gauge connecting seat, a damping adjusting channel (20) is arranged between the upper chamber (19) and the lower chamber (21), a damping screw (13) for adjusting flow is arranged on the damping adjusting channel (20), an upper diaphragm (10) in sealing fit is arranged on an upper step between the upper interface (22) and the upper chamber (19), a base of the fork spring element (8) is fixedly connected and pressed with the upper interface (22) through the watchcase joint (7), a mandril (9) is arranged between the fork spring element (8) and the upper diaphragm (10), a lower step between the lower interface (23) and the upper chamber (19) is provided with a lower diaphragm (15) in sealing fit and is pressed and fixed through a pressing screw sleeve (16), the upper chamber (19) and the lower chamber (21) are filled with hydraulic oil, and the upper diaphragm (10), the upper chamber (19), the damping adjusting channel (20), the damping screw (13), the lower chamber (21) and the lower diaphragm (15) form a hydraulic buffering adjusting device which is connected with the pressure gauge connecting seat (12) into a whole.

2. A damped integrated shock resistant pressure gauge as claimed in claim 1, wherein: an upper sealing washer (11) is arranged between the upper step and the upper diaphragm (10), and a lower sealing washer (14) is arranged between the lower step and the lower diaphragm (15).

3. A damped integrated shock resistant pressure gauge according to claim 1 or 2, wherein: the shell joint (7) is provided with a positioning clamping groove (17), and the fork spring element (8) is provided with a positioning block (18) which is tightly matched with the positioning clamping groove (17) to prevent rotation.

4. A damped integrated shock resistant pressure gauge as claimed in claim 3, wherein: the pressure gauge connecting seat (12) is a hexagonal joint, and the lower part of the pressure gauge connecting seat is provided with an external thread for installation.