CN220206937U

CN220206937U - Portable pressure calibration tool

Info

Publication number: CN220206937U
Application number: CN202321948598.8U
Authority: CN
Inventors: 唐亮; 林哲锐; 金菊; 蓝永宗; 李永超; 樊柏村; 金何斌; 王梽铭; 董记
Original assignee: Hangzhou Fenghe Measurement And Control Technology Co ltd
Current assignee: Hangzhou Fenghe Measurement And Control Technology Co ltd
Priority date: 2023-07-24
Filing date: 2023-07-24
Publication date: 2023-12-19
Anticipated expiration: 2033-07-24

Abstract

The utility model discloses a portable pressure calibration tool which comprises a boosting shell, a pressure gauge connecting pipe and a pressure connecting pipe, wherein the pressure gauge connecting pipe is arranged in the right side of the boosting shell in a clamping manner, the pressure connecting pipe is arranged in the lower end of the boosting shell in a clamping manner, a pressure gauge fixing nut is sleeved on the outer side of the right end of the pressure gauge connecting pipe, and a pressure gauge main body is arranged in the right side of the pressure gauge fixing nut in a clamping manner. The portable pressure calibration tool can calibrate the pressure sensor on the logging site, ensures that the sensor works normally, can more effectively control the battery consumption through the pressure value provided by the pressure sensor when logging is carried out, ensures that logging is successful in a storage mode, has very small volume and low cost, can be carried with a user to operate simply, and can also finish calibration with certain precision requirements compared with quantitative pressure calibration equipment.

Description

Portable pressure calibration tool

Technical Field

The utility model relates to the technical field of calibration tools, in particular to a portable pressure calibration tool.

Background

In the original storage type well logging process, the battery is started when the external pressure of the measuring instrument reaches the specified pressure, so that the instrument works to log, in order to ensure the normal operation of the work, the measuring precision of the pressure sensor and whether the pressure sensor works normally are ensured, so that calibration tools are required to check the pressure sensor, the accuracy of the pressure sensor can be visually observed through the detection of the calibration tools, otherwise, the underground pressure value cannot be obtained correctly, but the existing calibration tools have certain use defects in the use process, such as:

the utility model discloses a pressure sensor calibration device of a fuel assembly plate spring detection tool, which adopts a clamping structure which is the same as a fuel assembly upper tube seat, and calibrates the pressure sensor of the detection tool through a calibration sensor so as to enable the pressure sensor of the detection tool to meet the precision requirement and the use requirement of a metering device;

in the above document, the volume of the calibration device is too large, the calibration device needs to be carried to a required position by a carrying device in the process of use, and the internal structure of the calibration device is too much, so that the time required in the process of assembly is too long, and inconvenience exists.

Aiming at the problems, innovative design is urgently needed on the basis of the original calibration tool structure.

Disclosure of Invention

The utility model aims to provide a portable pressure calibration tool, which solves the problems that the volume of the calibration device proposed in the background technology is too large, the calibration device needs to be transported to a required position through a transporting device in the using process, the internal structure of the calibration device is too much, the time required in the assembling process is too long, and inconvenience exists.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a portable pressure calibration instrument, includes shell, manometer connecting pipe and the pressure connecting pipe of stepping up, the inside block in right side of shell of stepping up installs the manometer connecting pipe, and the pressure connecting pipe is installed to the inside block in lower extreme of shell of stepping up, the upper end rotation of shell of stepping up installs the pressurization sealing plug, and the lower extreme outside cover of pressurization sealing plug is equipped with the reducing ring to the reducing ring is located the inside of shell of stepping up, the right-hand member outside cover of manometer connecting pipe is equipped with manometer fixation nut, and the inside block in right side of manometer fixation nut installs the manometer main part, and the manometer main part is located the right side of manometer connecting pipe.

Preferably, the right-hand member outside cover of manometer main part is equipped with the protecting crust, and the inside nested first magnetic ring of installing of upper end of protecting crust to the upper end of protecting crust rotates and installs the protecting cover, the inside fixed mounting of protecting cover has the perspective lid, and the second magnetic ring is installed to the lower extreme avris block of protecting cover, the left side fixed mounting of protecting crust has the fixed block, and the upper end rotation of fixed block installs the upset piece, and upset piece and fixed block are located manometer fixation nut's upper and lower both ends respectively, the motion groove has been seted up to the inside of upset piece, and the inside fixed mounting of motion groove has a supporting spring, and the one end fixed mounting of supporting spring keep away from manometer fixation nut has the motion piece, and the inside slidable mounting of upset piece has the push rod simultaneously, the lower extreme of motion piece is located the inside of draw-in groove, and the draw-in groove is seted up in the inside of fixed block, through being provided with protecting crust, protection, fixed block and upset piece can carry out comprehensive parcel to manometer main part through this protecting mechanism to avoid this manometer main part to prevent that this manometer from the crashing, this manometer main part from receiving or dropping.

Preferably, the pressure sealing plug is in threaded connection with the pressure boosting shell, the pressure sealing plug is in tight contact with the reducing ring, the outer side of the reducing ring is in tight contact with the inner cavity of the pressure boosting shell, and the pressure sealing plug can move back and forth in the pressure boosting shell in the process of rotating through the threaded connection of the pressure sealing plug and the pressure boosting shell.

Preferably, the right end of the pressure gauge fixing nut and the pressure gauge connecting pipe are in threaded connection with the left end of the pressure gauge main body, the pressure gauge connecting pipe is in close contact with the pressure gauge main body, and the right end of the pressure gauge fixing nut and the pressure gauge connecting pipe are in threaded connection with the left end of the pressure gauge main body, so that the pressure gauge connecting pipe and the pressure gauge main body can be in butt joint through the pressure gauge fixing nut.

Preferably, the first magnetic ring and the second magnetic ring are opposite magnetic poles, the first magnetic ring is in close contact with the second magnetic ring, and the first magnetic ring and the second magnetic ring are opposite magnetic poles, so that the first magnetic ring and the second magnetic ring can generate attractive force in the process of approaching.

Preferably, the perspective cover is made of transparent materials, the perspective cover is in an annular structure in a overlook mode, the perspective cover is located at the inner reading end of the pressure gauge main body and the right upper end of the needle point, and the perspective cover is located at the inner reading end of the pressure gauge main body and the right upper end of the needle point, so that the reading pointed by the pointer in the pressure gauge main body can be observed in real time through perspective.

Preferably, the moving block forms a clamping structure with the fixed block through the clamping groove, the moving block forms an elastic structure with the overturning block through the supporting spring, the rear end of the moving block is tightly attached to the push rod, the moving block forms the clamping structure with the fixed block through the clamping groove, and the position of the fixed block and the position of the overturning block can be limited and fixed through the clamping between the moving block and the clamping groove.

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

1. the portable pressure calibration tool can change the pressure in the boosting shell by changing the position of the pressurizing sealing plug in the pressure calibration detection process of the pressure sensor, can observe whether the pressure detection of the pressure sensor is normal or not by observing whether the reading change of the pressure meter main body is the same as the reading change of the pressure sensor or not, can calibrate the pressure sensor on a logging site, ensures the normal operation of the sensor, can calibrate the pressure sensor on the logging site, ensures the normal operation of the sensor, can more effectively control the battery consumption through the pressure value provided by the pressure sensor when logging is carried out, ensures the successful logging in a storage mode compared with quantitative pressure calibration equipment, has very small volume and low cost, can carry with the operation and can also complete the calibration of certain precision requirements;

2. this portable pressure calibration instrument is equipped with the protecting crust through the outside cover at the manometer main part, can make protecting crust and protecting cover carry out comprehensive parcel to the outside of manometer main part, and carry out the block through fixed block and upset piece and manometer fixation nut to can fix protecting crust and protecting cover in the outside of manometer main part, alright carry out comprehensive protection to the manometer main part, avoid the damaged collision of manometer main part or unexpected to drop and take place the damage.

Drawings

FIG. 1 is a schematic view of a schematic cross-sectional structure of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic view of a left cross-sectional structure of a fixing block according to the present utility model;

FIG. 4 is a schematic diagram of a left cross-sectional structure of a motion block according to the present utility model;

fig. 5 is a schematic diagram of a front sectional structure of a protective cover according to the present utility model.

In the figure: 1. a boost housing; 2. a pressure gauge connecting pipe; 3. a pressure connection pipe; 4. a pressurized sealing plug; 5. a pressure gauge fixing nut; 6. a reducing ring; 7. a pressure gauge body; 8. a protective shell; 9. a first magnetic ring; 10. a protective cover; 11. a second magnetic ring; 12. a perspective cover; 13. a fixed block; 14. a turnover block; 15. a movement groove; 16. a support spring; 17. a motion block; 18. a clamping groove; 19. a push rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a portable pressure calibration instrument, includes pressure boost casing 1, manometer connecting pipe 2, pressure connecting pipe 3, pressurization sealing plug 4, manometer fixation nut 5, reducing ring 6, manometer main part 7, protecting crust 8, first magnetic ring 9, shield cover 10, second magnetic ring 11, perspective lid 12, fixed block 13, upset piece 14, movement groove 15, supporting spring 16, movement piece 17, draw-in groove 18 and push rod 19.

The pressure gauge connecting pipe 2 is installed in the right side inside block of the pressure boosting shell 1, the pressure connecting pipe 3 is installed in the lower end inside block of the pressure boosting shell 1, the pressurizing sealing plug 4 is installed in the upper end rotation of the pressure boosting shell 1, the diameter-changing ring 6 is sleeved outside the lower end of the pressurizing sealing plug 4, the diameter-changing ring 6 is located inside the pressure boosting shell 1, the pressure gauge fixing nut 5 is sleeved outside the right end of the pressure gauge connecting pipe 2, the pressure gauge main body 7 is installed in the right side inside block of the pressure gauge fixing nut 5, the pressure gauge main body 7 is located on the right side of the pressure gauge connecting pipe 2, the first magnetic ring 9 and the second magnetic ring 11 are opposite magnetic poles, the first magnetic ring 9 and the second magnetic ring 11 are in tight contact, the perspective cover 12 is made of transparent materials, the perspective cover 12 is in a ring-shaped structure in a overlook mode, the perspective cover 12 is located at the inner reading of the pressure gauge main body 7 and the upper end of a needle point, the moving block 17 forms a clamping structure with the fixing block 13 through the clamping groove 18, the moving block 17 forms an elastic structure with the overturning block 14 through the supporting spring 16, and the rear end of the moving block 17 is tightly attached to the push rod 19.

According to fig. 1-2, when the portable pressure calibration tool is used, the tool is firstly placed at a position where work needs to be performed, before the pressure calibration tool is used, the assembly of the pressure calibration tool is needed to be completed, then the pressure calibration tool can be used for calibrating and detecting the pressure sensor, in the process, the pressure connecting pipe 3 is needed to be connected with a pressure sensor to be measured, then the pressure sealing plug 4 is opened, water is poured into the internal cavity of the pressure boosting shell 1, then the pressure sealing plug 4 is screwed on, the pressure inside the pressure boosting shell 1 can be extruded by the pressure sealing plug 4 in the process of moving towards the pressure boosting shell 1, the pressure inside the pressure boosting shell 1 is changed, at the moment, the pressure gauge body 7 is screwed by an adjustable wrench, the position of the pressure sealing plug 4 can be changed according to the needed pressure or the measured pressure point, so that the pressure inside the pressure boosting shell 1 is changed, at the moment, the change condition of the pressure sensor and the pressure sensor can be observed, whether the pressure detection of the pressure sensor is normal or not can be observed, the calibration tool is completed, the pressure calibration tool is convenient to carry, and the size is small, and the convenience is improved.

The right-hand member outside cover of manometer main part 7 is equipped with protecting crust 8, and the inside nested first magnetic ring 9 of installing of upper end of protecting crust 8, and the upper end rotation of protecting crust 8 installs protecting cover 10, the inside fixed mounting of protecting cover 10 has perspective lid 12, and the lower extreme avris block of protecting cover 10 installs second magnetic ring 11, the left side fixed mounting of protecting crust 8 has fixed block 13, and the upper end rotation of fixed block 13 installs upset piece 14, and upset piece 14 and fixed block 13 are located the upper and lower both ends of manometer fixation nut 5 respectively, the movement groove 15 has been seted up to the inside of upset piece 14, and the inside fixed mounting of movement groove 15 has supporting spring 16, and the one end fixed mounting that keeps away from manometer fixation nut 5 has movement block 17, simultaneously the inside slidable mounting of upset piece 14 has push rod 19, the lower extreme of movement block 17 is located the inside of draw-in groove 18, and the draw-in groove 18 is seted up in the inside of fixed block 13, press seal plug 4 and boost housing 1 threaded connection, and press seal plug 4 and diameter-changing ring 6 closely contact, and diameter-changing ring 6's outside and shell 1 and pressure gauge 7 closely contact with the right-hand member 2, pressure gauge body 7 and pressure gauge body 2 closely contact with pressure gauge body 2.

According to fig. 1-5, after the calibration tool is assembled, the protecting cover 8 needs to be sleeved on the outer side of the pressure gauge main body 7, then the protecting cover 10 can be rotated to enable the protecting cover 10 to be in close contact with the protecting cover 8, in the process, the first magnetic ring 9 can be contacted with the second magnetic ring 11 and mutually attracted, so that the pressure gauge main body 7 is positioned between the protecting cover 8 and the protecting cover 10, in the process that the protecting cover 10 is sleeved on the outer side of the pressure gauge main body 7, the fixing block 13 can move to the lower end of the pressure gauge fixing nut 5, in the process that the protecting cover 10 is sleeved on the outer side of the pressure gauge main body 7, the overturning block 14 can be rotated to enable the overturning block 14 to be contacted with the fixing block 13, in the process that the upper end of the clamping groove 18 can be preferentially contacted with the moving block 17 and extrude the moving block 17, the moving block 17 can slide towards the direction of the pressure gauge fixing nut 5 in the interior of the moving groove 15 after extrusion, the supporting spring 16 is extruded and contracted in the process of sliding the moving block 17, the moving block 17 simultaneously slides towards the inside of the clamping groove 18 in the process, after the overturning block 14 and the fixing block 13 are respectively clamped with the pressure gauge fixing nut 5, the supporting spring 16 can be expanded, the moving block 17 can be pushed to move in the expanding process of the supporting spring 16, the moving block 17 can be clamped with the clamping groove 18 at the moment, so that the overturning block 14 and the fixing block 13 are fixed on the outer side of the pressure gauge fixing nut 5, the protecting shell 8 and the protecting cover 10 can be fixed on the outer side of the pressure gauge main body 7 at the moment, the pressure gauge main body 7 is comprehensively protected, the pressure gauge main body 7 is prevented from being damaged by collision or accidental falling, and the overall practicability is improved.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 portable pressure calibration instrument, includes pressure boost casing (1), manometer connecting pipe (2) and pressure connecting pipe (3), pressure gauge connecting pipe (2) are installed to the inside block in right side of pressure boost casing (1), and pressure connecting pipe (3) are installed to the inside block in lower extreme of pressure boost casing (1);

the method is characterized in that: the upper end rotation of shell (1) that steps up installs pressurization sealing plug (4), and the lower extreme outside cover of pressurization sealing plug (4) is equipped with reducing ring (6) to reducing ring (6) are located the inside of shell (1) that steps up, the right-hand member outside cover of manometer connecting pipe (2) is equipped with manometer fixation nut (5), and inside block in the right side of manometer fixation nut (5) installs manometer main part (7), and manometer main part (7) are located the right side of manometer connecting pipe (2).

2. A portable pressure calibration tool according to claim 1, wherein: the right-hand member outside cover of manometer main part (7) is equipped with shield shell (8), and the inside nested first magnetic ring (9) of installing of upper end of shield shell (8) to the inside of shield shell (8) is rotated and is installed shield cover (10), the inside fixed mounting of shield cover (10) has perspective lid (12), and the second magnetic ring (11) are installed to the lower extreme avris block of shield cover (10), the left side fixed mounting of shield shell (8) has fixed block (13), and the upper end rotation of fixed block (13) installs upset piece (14), and upset piece (14) and fixed block (13) are located the upper and lower both ends of manometer fixation nut (5) respectively, movement groove (15) have been seted up to the inside of upset piece (14), and the inside fixed mounting of movement groove (15) has supporting spring (16), and the one end fixed mounting of keeping away from manometer fixation nut (5) has movement piece (17), and the inside slidable mounting of upset piece (14) has push rod (19) simultaneously, the inside of upset piece (17) is located inside groove (18) of setting up at fixed block (18).

3. A portable pressure calibration tool according to claim 1, wherein: the pressurizing sealing plug (4) is in threaded connection with the pressure boosting shell (1), the pressurizing sealing plug (4) is in close contact with the reducing ring (6), and the outer side of the reducing ring (6) is in close contact with the inner cavity of the pressure boosting shell (1).

4. A portable pressure calibration tool according to claim 1, wherein: the right end of the pressure gauge fixing nut (5) and the pressure gauge connecting pipe (2) are in threaded connection with the left end of the pressure gauge main body (7), and the pressure gauge connecting pipe (2) is in tight contact with the pressure gauge main body (7).

5. A portable pressure calibration tool according to claim 2, wherein: the first magnetic ring (9) and the second magnetic ring (11) are opposite magnetic poles, and the first magnetic ring (9) is tightly contacted with the second magnetic ring (11).

6. A portable pressure calibration tool according to claim 2, wherein: the perspective cover (12) is made of transparent materials, the perspective cover (12) is in an annular structure in a overlook mode, and the perspective cover (12) is positioned at the inner reading end of the pressure gauge main body (7) and the right upper end of the needle point.

7. A portable pressure calibration tool according to claim 2, wherein: the motion block (17) and the fixed block (13) form a clamping structure through the clamping groove (18), the motion block (17) and the turnover block (14) form an elastic structure through the supporting spring (16), and the rear end of the motion block (17) is tightly attached to the push rod (19).