Verification tool

By designing a combination of through holes, threaded blind holes, and nuts, along with lifting components, the problem of paint damage to flange pressure gauges caused by calibration fixtures was solved, achieving a highly efficient calibration process that requires no paint repair.

CN223470746UActive Publication Date: 2025-10-24HUBEI ZIGE PETROLEUM EQUIP CO LTD
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Patent Information

Application Number
CN202423011514.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-10-24
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

Existing calibration fixtures are prone to causing paint marks or wear on flange-type pressure gauges, resulting in time-consuming and laborious paint repairs later.

Method used

A calibration fixture was designed to fix the flange pressure gauge by connecting through holes, threaded blind holes and nuts, and using a lifting component. This avoids direct contact with the painted parts. The combination of threaded connection and lifting component ensures that the paint is not damaged during calibration.

Benefits of technology

It effectively avoids damage to the paint, reduces subsequent paint repair work, improves testing efficiency, and saves time and labor.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223470746U_ABST
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Abstract

The verification tool comprises a verification flange plate, a screw fixing ring, a screw cap and a lifting piece, the verification flange plate is provided with a plurality of through holes, the through holes are in one-to-one correspondence with hole sites of a flange pressure gauge, the screw fixing ring and the verification flange plate are coaxially arranged, the screw fixing ring is provided with a plurality of threaded blind holes, and the threaded blind holes are in one-to-one correspondence with the hole sites of the flange pressure gauge. The through holes, the threaded blind holes and the screw caps are connected in a one-to-one correspondence mode. The lifting piece is located between the verification flange plate and the screw fixing ring, through one-to-one correspondence of the through hole, the threaded blind hole and the hole site of the flange pressure gauge, the flange pressure gauge sequentially penetrates through the hole site of the flange pressure gauge and the through hole through the screw cap and then is in threaded connection with the threaded blind hole to achieve connection, and then fixation is completed through operation of the lifting piece. In the whole process, the paint part on the flange pressure gauge cannot be contacted, damage of the verification tool to paint is effectively avoided, later paint repairing work is not needed, and time and labor are saved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to flange pressure gauge technical field, concretely relates to a kind of calibration tool. BACKGROUND

[0002] In the production process of flange pressure gauge, it needs to be checked many times, for example, authorized announcement No.CN209459819U, a kind of flange interface quick clamping mechanism and flange pressure gauge detection device utility model patent, including jacking device, flange seat and press block, jacking device, flange seat and press block are installed sequentially from bottom to top, when detecting flange pressure gauge, flange pressure gauge is placed on the upper surface of flange seat, jacking device is lifted upwards to flange seat, until flange seat and flange pressure gauge are pressed between jacking device and press block, that is, the quick installation of flange pressure gauge is completed, and the calibration efficiency of flange pressure gauge is effectively improved.

[0003] However, the above-mentioned press block will produce indentation and wear on the paint on the flange pressure gauge during daily use, so that paint repair work needs to be done from time to time to meet the requirements of rust prevention and aesthetics, but local paint repair is time-consuming and laborious. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the above technical deficiencies, and provides a calibration tool to solve the technical problem that the calibration tool in the prior art produces indentation or wear on the paint on the flange pressure gauge, so that paint repair work needs to be done later, which is time-consuming and laborious.

[0005] To achieve the above technical purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a calibration tool, which comprises:

[0007] A calibration flange disc is provided, and the calibration flange disc is provided with a plurality of through holes, each of the through holes corresponds to a hole position of a flange pressure gauge;

[0008] A screw fixing ring is coaxial with the calibration flange disc, and the screw fixing ring is provided with a plurality of threaded blind holes;

[0009] A plurality of screw caps are provided, and the through holes, the threaded blind holes, and the screw caps are connected one by one; and

[0010] A lifting member is located between the calibration flange disc and the screw fixing ring.

[0011] In some embodiments, the calibration flange disc is provided with a pressure transmission channel.

[0012] In some embodiments, the pressure transmission channel is L-shaped.

[0013] In some embodiments, the top of the check flange plate is fixedly connected with a protrusion.

[0014] In some embodiments, the top of the check flange plate is provided with a sealing gasket.

[0015] In some embodiments, the bottom of the check flange plate is provided with a first groove.

[0016] In some embodiments, the lifting member is an ultrathin hydraulic cylinder.

[0017] In some embodiments, the check flange plate, the ultrathin hydraulic cylinder and the screw fixing ring are coaxially stacked from top to bottom.

[0018] In some embodiments, the top of the screw fixing ring is provided with a second groove.

[0019] In some embodiments, the bottom of the screw fixing ring is fixedly connected with a mounting block.

[0020] Compared with the prior art, the check tool provided by the utility model, through the one-to-one correspondence of the through hole, the threaded blind hole and the hole position of the flange pressure gauge, the flange pressure gauge is connected by being threaded through the hole position of the flange pressure gauge and the through hole in turn through the screw cap and being screwed with the threaded blind hole, and the connection is realized, and the fixing is completed through the operation of the lifting member, the whole process does not contact the paint part on the flange pressure gauge, effectively avoids the damage of the check tool to the paint, and does not need the later paint repair work, time and labor are saved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a use schematic view of the check tool provided by the utility model embodiment;

[0022] Figure 2 is Figure 1 the explosion schematic view;

[0023] Figure 3 is Figure 1 the bottom view of the check flange plate in the embodiment;

[0024] Figure 4 is Figure 3 the sectional view of A-A in the embodiment;

[0025] Figure 5 is Figure 1 the structural schematic view of the screw fixing ring in the embodiment.

[0026] Reference signs: 1, check flange; 11, through hole; 12, pressure transmission channel; 13, protrusion; 14, sealing gasket; 15, first groove; 2, screw fixing ring; 21, threaded blind hole; 22, second groove; 23, mounting block; 3, screw cap; 4, lifting piece; 41, ultra-thin hydraulic cylinder. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples, and it should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0028] In order to solve the technical problem that the check tool produces indentation or wear on the paint on the flange pressure gauge, and the paint repair work needs to be carried out in the later period, the utility model provides a check tool, which can avoid producing indentation or wear on the paint on the flange pressure gauge.

[0029] It should be noted that the check tool of the utility model is used for but not limited to flange pressure gauges and the like, in order to facilitate the description, in the utility model, only a check tool applied to a flange pressure gauge is taken as an example for description, and the principle of a check tool applied to other types of equipment is substantially the same as that applied to a flange pressure gauge, which will not be described here.

[0030] Please refer to Figure 1 - Figure 5 , wherein Figure 1 is a structure diagram of a check tool in an embodiment of the utility model, the check tool comprises a check flange 1, a screw fixing ring 2, a screw cap 3 and a lifting piece 4, the check flange 1 is provided with a plurality of through holes 11, each through hole 11 corresponds to a hole position of a flange pressure gauge, the screw fixing ring 2 is coaxial with the check flange 1, the screw fixing ring 2 is provided with a plurality of threaded blind holes 21, a plurality of screw caps 3 are arranged, the through holes 11, the threaded blind holes 21 and the screw caps 3 are connected one by one in a corresponding manner, and the lifting piece 4 is located between the check flange 1 and the screw fixing ring 2.

[0031] In the embodiment, the through holes 11, the threaded blind holes 21 and the hole positions of the flange pressure gauge correspond one by one, so that the flange pressure gauge is connected by being sequentially penetrated through the hole positions of the flange pressure gauge and the through holes 11 and being screwed with the threaded blind holes 21, then the connection is realized, and the fixing is completed through the operation of the lifting piece 4, the whole process does not contact the paint part on the flange pressure gauge, the damage of the check tool to the paint is effectively avoided, the paint repair work in the later period is not needed, and time and labor are saved.

[0032] In one of the embodiments, please refer to Figure 1 andFigure 4 The check flange plate 1 is provided with a pressure transmission channel 12.

[0033] In one of the embodiments, please refer to Figure 1 and Figure 4 The pressure transmission channel 12 is L-shaped.

[0034] In this embodiment, the flange pressure gauge is pressurized through the pressure transmission channel 12, and then checked.

[0035] In one of the embodiments, please refer to Figure 2 The top of the check flange plate 1 is fixedly connected with a protrusion 13.

[0036] In this embodiment, the protrusion 13 is used to facilitate the quick docking of the top of the check flange plate 1 and the flange pressure gauge.

[0037] In one of the embodiments, please refer to Figure 1 and Figure 2 The top of the check flange plate 1 is provided with a sealing gasket 14.

[0038] In this embodiment, the sealing gasket 14 is used to improve the sealing performance of the flange pressure gauge during the checking process.

[0039] In one of the embodiments, please refer to Figure 3 The bottom of the check flange plate 1 is provided with a first recess 15.

[0040] In one of the embodiments, please refer to Figure 1 - Figure 3 The lifting member 4 is an ultra-thin hydraulic cylinder 41.

[0041] In this embodiment, the first recess 15 is used to facilitate the quick docking of the bottom of the check flange plate 1 and the top of the ultra-thin hydraulic cylinder 41.

[0042] In one of the embodiments, please refer to Figure 1 and Figure 2 The check flange plate 1, the ultra-thin hydraulic cylinder 41 and the screw fixing ring 2 are coaxially stacked from top to bottom.

[0043] In one of the embodiments, please refer to Figure 1 , Figure 2 and Figure 5 The top of the screw fixing ring 2 is provided with a second recess 22.

[0044] In this embodiment, the second recess 22 is used to facilitate the quick docking of the bottom of the ultra-thin hydraulic cylinder 41 and the top of the screw fixing ring 2.

[0045] In one of the embodiments, please refer to Figure 1 , Figure 2 andFigure 5 The bottom of the screw fixing ring 2 is fixedly connected with a mounting block 23.

[0046] In the embodiment, the mounting block 23 is used to facilitate the fixation of the screw fixing ring 2 to the outside world, so that the flange pressure gauge is stable during the calibration process.

[0047] In order to better understand the present application, the following will be combined with Figures 1 to 5 The technical scheme of the present application will be described in detail:

[0048] First, the screw fixing ring 2, the ultra-thin hydraulic cylinder 41, the calibration flange plate 1, the sealing gasket 14 and the flange pressure gauge are stacked from bottom to top; then, the hole position of the flange pressure gauge, the through hole 11 and the threaded blind hole 21 are one-to-one corresponding, the screw cap 3 penetrates the hole position of the flange pressure gauge and the through hole 11, then the screw cap 3 is screwed with the threaded blind hole 21 by hand, and each screw cap 3 is screwed to the bottom; finally, the ultra-thin hydraulic cylinder 41 is pressurized to generate a pushing force, the calibration flange plate 1 and the detected flange pressure gauge are tightly attached together to achieve a sealing effect, the whole process does not touch the paint part on the flange pressure gauge, effectively avoids the damage of the calibration tool to the paint, and no later paint repair work is needed, saving time and effort.

[0049] The specific implementation of the present application does not constitute a limitation on the protection scope of the present application, and any other corresponding changes and modifications made according to the technical concept of the present application should be included in the protection scope of the present application.

Claims

1. A verification fixture, characterized by, The utility model relates to a flange pressure gauge calibration device, comprising: a check flange disc provided with a plurality of through holes corresponding to the hole positions of the flange pressure gauge; a screw fixing ring coaxial with the check flange disc, provided with a plurality of threaded blind holes; a plurality of screw caps corresponding to the through holes, the threaded blind holes and the screw caps; a lifting element between the check flange disc and the screw fixing ring.

2. A verification tool according to claim 1, wherein, The check flange disc is provided with a pressure transmission channel.

3. A verification tool according to claim 2, wherein, The pressure transmission channel is L-shaped.

4. The verification tool of claim 1, wherein, The top of the check flange disc is fixedly connected with a protrusion.

5. The verification tool of claim 1, wherein, The top of the check flange disc is provided with a sealing gasket.

6. The verification tool of claim 1, wherein, The bottom of the check flange disc is provided with a first groove.

7. The verification tool of claim 1, wherein, The lifting element is an ultrathin hydraulic cylinder.

8. A verification tool according to claim 7, wherein, The check flange disc, the ultrathin hydraulic cylinder and the screw fixing ring are coaxially stacked from top to bottom.

9. The verification tool of claim 1, wherein, The top of the screw fixing ring is provided with a second groove.

10. The verification tool of claim 1, wherein, The bottom of the screw fixing ring is fixedly connected with a mounting block.