CN220508708U - Auxiliary calibration device for metering hydrostatic pressure resistant measuring device - Google Patents
Auxiliary calibration device for metering hydrostatic pressure resistant measuring device Download PDFInfo
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- CN220508708U CN220508708U CN202321697990.XU CN202321697990U CN220508708U CN 220508708 U CN220508708 U CN 220508708U CN 202321697990 U CN202321697990 U CN 202321697990U CN 220508708 U CN220508708 U CN 220508708U
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- pressure gauge
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- valve head
- metering
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- 230000002706 hydrostatic effect Effects 0.000 title claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 27
- 238000012360 testing method Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 30
- 238000009530 blood pressure measurement Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of calibration of hydrostatic pressure resistance measuring devices, and particularly discloses an auxiliary calibration device for measuring the hydrostatic pressure resistance measuring device, which comprises a portable detection three-way head and a movable plug-and-pull pressure gauge assembly; the portable detection tee joint comprises a pressure gauge plug-in connector; a telescopic valve head support is arranged in the pressure gauge plug connector, and a telescopic groove is formed in the telescopic valve head support; a spring and a telescopic valve head are arranged in the telescopic groove; the outer end of the pressure gauge plug connector is provided with a socket; the telescopic valve head is matched with the socket and can be movably sealed with the socket; the movable plug-in pressure gauge assembly comprises a high-precision pressure gauge; the side surface of the test head protective cover is provided with a water through hole; the movable plug-in pressure gauge assembly can be movably inserted into the socket. The utility model has the advantages of convenient calibration operation, remarkably improved working efficiency, good reliability and the like.
Description
Technical Field
The utility model relates to the technical field of calibration of hydrostatic pressure resistance measuring devices, in particular to an auxiliary calibration device for measuring the hydrostatic pressure resistance measuring device.
Background
The hydrostatic pressure resistance measuring device is used for measuring the hydrostatic pressure resistance, and is common in the measuring and testing operation of the special highway instrument and is also a relatively traditional device; when the calibration comparison operation is performed based on the existing hydrostatic pressure measuring device, the following operation is performed according to the equipment principle: as shown in fig. 4, which is a schematic diagram of a conventional hydrostatic pressure measurement device, the hydrostatic pressure in the water collector is regulated by a water inlet pressure regulating device, meanwhile, the hydrostatic pressure is monitored by a pressure sensor in a pressure detection module integrated with the device, and a pressure value is displayed by a pressure display screen, and the water collector is generally communicated with the pressure detection module by a pressure measurement pipeline; when the calibration operation is carried out, the pressure measurement pipeline is firstly detached from (two-way connection with) the pressure detection module, then the pressure measurement pipeline is in sealing connection with the pressure measurement pipeline by using a common three-way pipe, the other end of the pressure measurement pipeline is in sealing connection with the pressure detection module, the other end of the pressure measurement pipeline is in sealing connection with an accurate high-precision pressure gauge, then a water inlet pressure regulating device is used according to the standard, for example, the pressure regulation measurement can be carried out according to multiple sections such as low-medium-high pressure and the like, the pressure value of the pressure detection module and the pressure value of the high-precision pressure gauge are respectively recorded, then the comparison is carried out, whether the pressure detection module is accurate or not can be judged by comparison, and the operations such as regulation, calibration or cleaning can be carried out on the pressure detection module in a guiding way; after calibration is correct, because in standard measurement operation, the convenience of carrying out is considered or in order to reduce errors, the external tee joint and the high-precision pressure gauge are removed, and only the pressure detection module which is originally integrated is reserved, namely, the original appearance of the original factory is restored to perform standard measurement operation, the operation is complicated, and great inconvenience is brought to daily calibration operation.
Disclosure of Invention
Aiming at the defects, the utility model provides an auxiliary calibration device for a metering hydrostatic pressure resistant measuring device, which is convenient to operate and good in effect.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an auxiliary calibration device for a metering hydrostatic pressure resistant measuring device comprises a portable detection three-way head and a movable plug-in pressure gauge assembly; the portable detection tee joint comprises a pressure gauge plug-in connector; a telescopic valve head support is arranged in the pressure gauge plug connector, and a telescopic groove is formed in the telescopic valve head support; a spring and a telescopic valve head are arranged in the telescopic groove; the side edge of the telescopic valve head support is provided with a communicating water hole; the outer end of the pressure gauge plug connector is provided with a socket; the telescopic valve head is matched with the socket and can be movably sealed with the socket; the movable plug-in pressure gauge assembly comprises a high-precision pressure gauge, and a test head protection cover is arranged at the front end of a test head of the high-precision pressure gauge; the side surface of the test head protective cover is provided with a water through hole; the movable plug-in pressure gauge assembly can be movably inserted into the socket.
Optionally, a gasket is fastened and combined with the front end of the telescopic valve head.
Optionally, a sealing rubber ring is fastened in the socket.
Optionally, the movable plug-and-play pressure gauge assembly further comprises a connecting plug rod and a sealing sleeve; the connecting inserted link is provided with a pressure gauge jack, and the front end of the connecting inserted link is provided with the test head protection cover; the sealing sleeve is movably sleeved at the rear end of the connecting inserted link; and a sealing sleeve through hole is formed in the rear part of the sealing sleeve corresponding to the pressure gauge jack.
Optionally, a cone rubber ring with a hollow structure is arranged on the sealing sleeve through hole; the rear end of the connecting inserted link is provided with a conical clamping groove corresponding to the conical rubber ring.
Optionally, a tightening hole is formed in the pressure gauge plug connector; the connecting inserted rod is provided with a tightening clamping seat corresponding to the tightening hole; the connecting inserted rod is tightly connected with the pressure gauge plug connector through bolts. Optionally, a clamping seat gasket is arranged at the front end of the tightening clamping seat.
Compared with the prior art, the utility model has the beneficial effects that:
by adopting the utility model to perform daily calibration operation, the portable detection tee joint is not required to be frequently removed from the pressure measurement pipeline, so that the water leakage condition at the joint is effectively prevented; the high-precision pressure gauge can realize quick plug-and-pull operation in a hydrostatic system, has good pressure-resistant effect, is not easy to leak water, meets the requirements of daily calibration, convenient carrying when going out and the like, and has good use effect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments will be briefly described below.
FIG. 1 is a schematic diagram of a portable detection tee of the present utility model;
FIG. 2 is a schematic diagram of a mobile plug-and-play pressure gauge assembly according to the present utility model;
FIG. 3 is a schematic diagram of the combined structure of the high-precision manometer and the manometer plug according to the present utility model;
fig. 4 is a schematic diagram of a conventional hydrostatic pressure measuring apparatus.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. 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.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "inner", "front", "rear", "left", "right", etc., are based on directions or positional relationships shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
An auxiliary calibration device for a metering hydrostatic pressure resistant measuring device comprises a portable detection three-way head 1 and a movable plug-in pressure gauge assembly; the portable detection three-way joint 1 comprises a pressure gauge plug-in connector 6; when the portable detection tee joint is used, the left end 3 of the portable detection tee joint 1 is connected with a pressure measurement pipeline of a hydrostatic pressure resistance measuring device, and the right end 2 is connected with a connecting pipe of a pressure detection module of the hydrostatic pressure resistance measuring device; the pressure gauge plug connector 6 is used for plugging and plugging the high-precision pressure gauge for calibration and comparison; in this embodiment, the following specific configuration is also included: a telescopic valve head support 13 is arranged in the pressure gauge plug connector 6, and a telescopic groove 5 is formed in the telescopic valve head support 13; a spring 14 and a telescopic valve head 12 are arranged in the telescopic groove 5, and in the embodiment, the cross section of the telescopic valve head 12 is in a shape of a Chinese character 'tu'; the side edge of the telescopic valve head support 13 is provided with a communicating water hole 4; the outer end of the pressure gauge plug-in connector 6 is provided with a socket 10; the telescopic valve head 12 is matched with the socket 10 and can movably seal the socket 10, namely the lower end of the telescopic valve head 12 blocks and presses the socket 10 under the action of the spring 14; in order to improve the sealing plug, the front end of the telescopic valve head 12 is fixedly combined with a gasket 11; in some embodiments, the following structure may also be selected: namely, a conical plug is arranged in the middle of the front end of the telescopic valve head 12 corresponding to the faucet 10, and the conical plug can be plugged into the faucet 10 and is tightly plugged and sealed; in some embodiments, a sealing silica gel ring is covered on the conical plug so as to improve the sealing degree; in addition to the above examples, common valve plug structures can be applied to the telescopic valve head 12, and simple replacement of the conventional technical structures should be considered as the protection scope of the present application. The movable plug-in pressure gauge assembly comprises a high-precision pressure gauge 28, and a test head protection cover is arranged at the front end of a test head 29 of the high-precision pressure gauge 28, so that the purpose of the arrangement is that: the protection function of the test head 29 is realized in the plug operation, and the test head 29 is prevented from being extruded by external force to influence the test accuracy; the side surface of the test head protective cover is provided with a water through hole 16; the mobile plug-in pressure gauge assembly is movably inserted into the socket 10. When the device is used, the telescopic valve head 12 is propped up by the test head protecting cover, so that the test head 29 of the high-precision pressure gauge 28 is promoted to enter the pressure gauge plug connector 6, the hydrostatic pressure can be measured, after the calibration test operation is completed, the reading of the high-precision pressure gauge and the reading of the pressure detection module of the hydrostatic pressure resistance measuring device can be obtained simultaneously, then the accuracy of the numerical value of the pressure detection module of the hydrostatic pressure resistance measuring device can be obtained by comparing the two groups of readings, and the device can provide guidance basis for the related calibration operation of the pressure detection module of the hydrostatic pressure resistance measuring device, so that the accuracy of the numerical value displayed by the pressure detection module of the hydrostatic pressure resistance measuring device is ensured in the normal detection of going out. Then will the portable pressure gauge subassembly that pulls out plug is pulled out from socket 10, and flexible valve head 12 is replied under the effect of spring 14 and is compressed tightly sealed socket 10 need not to remove portable detection three-way head 1 again, can carry out normal operation with resistant hydrostatic pressure survey device, and normal measurement is not disturbed, uses convenient and effectual.
Optionally, the movable plug-and-play pressure gauge assembly further comprises a connecting plug rod 15 and a sealing sleeve 20; the connecting inserted link 15 is provided with a pressure gauge jack 24, and the front end of the connecting inserted link is provided with the test head protection cover; the sealing sleeve 20 is movably sleeved at the rear end of the connecting inserted rod 15 by adopting a threaded structure, namely, the sealing sleeve 20 is provided with an inner cavity 19, the inner cavity 19 is provided with an internal thread 22, and the external wall of the rear end of the connecting inserted rod 15 is correspondingly provided with an external thread 18; the rear part of the sealing sleeve 20 is provided with a sealing sleeve through hole corresponding to the pressure gauge jack 24. When in use, the rod body 27 of the high-precision pressure gauge 28 sequentially passes through the sealing sleeve through hole and the pressure gauge jack 24 and is connected with the connecting inserted rod 15 through the sealing sleeve 20; in order to improve the compactness of the connection between the rod body 27 of the high-precision pressure gauge 28 and the connecting inserted rod 15, in this embodiment, the hollow cone rubber ring 21 is disposed on the sealing sleeve through hole; the rear end of the connecting inserted link is provided with a conical clamping groove 23 corresponding to the conical rubber ring 21. In this embodiment, the cone rubber ring 21 is preferably made of silica gel, and the silica gel has the advantages of good deformation effect, and when in use, the rod body 27 of the high-precision pressure gauge 28 sequentially passes through the cone rubber ring 21 and the pressure gauge jack 24, after the sealing sleeve 20 is tightly connected with the connecting inserted rod 15, the periphery of the cone rubber ring 21 is extruded by the cone clamping groove 23, so that the outer wall of the rod body 27 of the high-precision pressure gauge 28 is tightly pressed, sealing is realized, sealing degree is improved, and the bearing of internal water pressure of the hydrostatic pressure resistant measuring device is facilitated.
In order to improve the tightness between the connecting rod 15 and the socket 10, in this embodiment, a sealing rubber ring 7 is fastened in the socket 10. Optionally, the pressure gauge plug connector 6 is provided with a fixing groove 9 and a tightening hole 8; the connecting inserted link 15 is provided with a tightening clamping seat 25 corresponding to the fixing groove 9, the tightening clamping seat 25 is provided with a nail passing hole 17 corresponding to the tightening hole 8, and in the embodiment, the tightening clamping seat 25 is in a disc structure; the connection inserted bar 15 pass through bolt 30 with the manometer pulls out plug connector 6 and tighten to be connected, in order to improve the leakproofness, optionally, the front end of tightening cassette 25 is provided with cassette packing ring 26, compresses tightly through bolt 30, can improve connection inserted bar 15 with the manometer pulls out plug connector 6's connection compactness.
Claims (7)
1. An auxiliary calibration device for a metering hydrostatic-pressure-resistant measuring device is characterized in that: the portable detection three-way head and mobile plug-pull pressure gauge assembly are included; the portable detection tee joint comprises a pressure gauge plug-in connector; a telescopic valve head support is arranged in the pressure gauge plug connector, and a telescopic groove is formed in the telescopic valve head support; a spring and a telescopic valve head are arranged in the telescopic groove; the side edge of the telescopic valve head support is provided with a communicating water hole; the outer end of the pressure gauge plug connector is provided with a socket; the telescopic valve head is matched with the socket and can be movably sealed with the socket; the movable plug-in pressure gauge assembly comprises a high-precision pressure gauge, and a test head protection cover is arranged at the front end of a test head of the high-precision pressure gauge; the side surface of the test head protective cover is provided with a water through hole; the movable plug-in pressure gauge assembly can be movably inserted into the socket.
2. An auxiliary calibration device for a metering hydrostatic pressure sensing apparatus as defined in claim 1, wherein: the front end of the telescopic valve head is fixedly combined with a gasket.
3. An auxiliary calibration device for a metering hydrostatic pressure sensing apparatus as defined in claim 1, wherein: and a sealing rubber ring is fastened in the socket.
4. An auxiliary calibration device for a metering hydrostatic pressure sensing apparatus as defined in claim 1, wherein: the movable plug pressure gauge assembly further comprises a connecting plug rod and a sealing sleeve; the connecting inserted link is provided with a pressure gauge jack, and the front end of the connecting inserted link is provided with the test head protection cover; the sealing sleeve is movably sleeved at the rear end of the connecting inserted link; and a sealing sleeve through hole is formed in the rear part of the sealing sleeve corresponding to the pressure gauge jack.
5. An auxiliary calibration device for a metering hydrostatic pressure sensing apparatus as defined in claim 4, wherein: a cone rubber ring with a hollow structure is arranged on the sealing sleeve through hole; the rear end of the connecting inserted link is provided with a conical clamping groove corresponding to the conical rubber ring.
6. An auxiliary calibration device for a metering hydrostatic pressure sensing apparatus as defined in claim 4, wherein: a tightening hole is formed in the pressure gauge plug connector; the connecting inserted rod is provided with a tightening clamping seat corresponding to the tightening hole; the connecting inserted rod is tightly connected with the pressure gauge plug connector through bolts.
7. An auxiliary calibration device for a metering hydrostatic pressure sensing apparatus as defined in claim 6, wherein: the front end of the tightening clamping seat is provided with a clamping seat gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321697990.XU CN220508708U (en) | 2023-06-30 | 2023-06-30 | Auxiliary calibration device for metering hydrostatic pressure resistant measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321697990.XU CN220508708U (en) | 2023-06-30 | 2023-06-30 | Auxiliary calibration device for metering hydrostatic pressure resistant measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220508708U true CN220508708U (en) | 2024-02-20 |
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ID=89866369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321697990.XU Active CN220508708U (en) | 2023-06-30 | 2023-06-30 | Auxiliary calibration device for metering hydrostatic pressure resistant measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220508708U (en) |
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2023
- 2023-06-30 CN CN202321697990.XU patent/CN220508708U/en active Active
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