CN218455521U - Pressure gauge calibrating device - Google Patents

Pressure gauge calibrating device Download PDF

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Publication number
CN218455521U
CN218455521U CN202222726862.5U CN202222726862U CN218455521U CN 218455521 U CN218455521 U CN 218455521U CN 202222726862 U CN202222726862 U CN 202222726862U CN 218455521 U CN218455521 U CN 218455521U
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China
Prior art keywords
seal receptacle
base
pressure gauge
flange
groove
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CN202222726862.5U
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Chinese (zh)
Inventor
张衡
王文凤
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Shanghai Menghui Electromechanical Technology Co ltd
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Shanghai Menghui Electromechanical Technology Co ltd
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Abstract

The utility model provides a manometer calibrating device belongs to barometer calibration equipment technical field. The utility model discloses a base, inside cavity of base and one side opening, the draw-in groove has been seted up to one side that the base top is close to the opening, and the inside corresponding draw-in groove of base is provided with the seal receptacle, the inside cavity of seal receptacle sets up the gas pocket in the middle of the upper surface, and seal receptacle upper surface edge is provided with ring type seal, and seal receptacle one side intercommunication has the intake pipe, and the seal receptacle bottom surface sets up climbing mechanism, the utility model discloses carry out the centre gripping with the base to the flange to make calibrating device can be applicable to not unidimensional flange, overall structure is simple, and is easy and simple to handle, has effectively improved the work efficiency that the manometer detected and has detected the precision.

Description

Pressure gauge calibrating device
Technical Field
The utility model relates to a manometer calibrating device belongs to barometer calibration equipment technical field.
Background
Pressure gauges (pressure gauge) are instruments that measure and indicate pressures above ambient pressure, which are very common, using elastic elements as sensors, and are used in almost all fields of industrial processes and scientific research. The method is widely available in the fields of heating power pipe networks, oil and gas transmission, water and gas supply systems, vehicle maintenance plants and shops and the like. Especially in the industrial process control and technical measurement process, the mechanical pressure gauge is more and more widely applied due to the characteristics of high mechanical strength, convenient production and the like of the elastic sensitive element of the mechanical pressure gauge.
The manometer is generally applied to pipeline or industrial container, generally be connected with pipeline or industrial container through the flange during manometer installation, just be connected with the flange through the pipeline when manometer production, the manometer indicator general instruction after the production is all inaccurate, consequently, need calibrate zero return to the manometer, present zero return to the manometer all install the manometer in corresponding the container through the flange, then fill into rated pressure to container inside and calibrate, just need different containers to different sizes of flange, and be connected the flange with the container through the bolt and test, the process is loaded down with trivial details, the calibration is inefficient, can not satisfy the production demand.
SUMMERY OF THE UTILITY MODEL
In view of the above shortcoming of the prior art, an object of the utility model is to provide a manometer calibrating device for solve current manometer calibrating device complex operation among the prior art, the problem of calibration inefficiency.
In order to realize the above-mentioned purpose and other relevant purposes, the utility model provides a manometer calibrating device, which comprises a base, inside cavity of base and one side opening, the base top is close to open-ended one side and has seted up the draw-in groove, and the inside corresponding draw-in groove of base is provided with the seal receptacle, and the inside cavity of seal receptacle sets up the gas pocket in the middle of the upper surface, and seal receptacle upper surface edge is provided with ring type seal, and seal receptacle one side intercommunication has the intake pipe, and the seal receptacle bottom surface sets up climbing mechanism.
In an embodiment of the utility model, the intake pipe end sets up the short joint, and the intake pipe passes through the short joint and connects the compressed air pipeline.
By adopting the technical scheme: through setting up the quick-operation joint, the compressed air pipeline can be dismantled with intake pipe high-speed joint, improves the efficiency of manometer calibration.
In an embodiment of the utility model, climbing mechanism adopts the pneumatic cylinder, and the seal receptacle bottom surface is connected to the telescopic link in the pneumatic cylinder, and pneumatic cylinder one side sets up the depression bar mechanism that is used for driving the pneumatic cylinder.
By adopting the technical scheme: place the flange of being connected below the manometer between draw-in groove and seal receptacle, during the pipeline card between flange and the manometer goes into the draw-in groove, then reciprocal drive depression bar mechanism from top to bottom, the telescopic link in the pneumatic cylinder upwards jacking under depression bar mechanism's effect, the seal receptacle up-movement under the drive of telescopic link, the seal receptacle is with the flange centre gripping with base top panel.
In an embodiment of the present invention, the inner side of the slot is circular-arc.
By adopting the technical scheme: the flange cross-section is generally circular, and the pipeline on the flange is also generally circular, sets up to circular-arc through with the draw-in groove inboard for the draw-in groove can be applicable to not unidimensional flange.
In an embodiment of the present invention, the sealing ring is detachably connected to the upper surface of the sealing seat.
By adopting the technical scheme: the sealing ring can be detachably connected with the upper surface of the sealing seat, and the sealing rings with different sizes can be replaced according to the size of the flange, so that the calibrating device can be suitable for clamping and sealing the flanges with different sizes.
As above, the utility model discloses a manometer calibrating device has following beneficial effect:
the utility model discloses in set up seal receptacle and base, through climbing mechanism drive seal receptacle motion, utilize seal receptacle and base to carry out the centre gripping to the flange to make calibrating device can be applicable to not unidimensional flange, need not to test flange and pipe connection, overall structure is simple, and is easy and simple to handle, has effectively improved the work efficiency and the detection precision that the manometer detected.
Drawings
Fig. 1 shows a schematic view of a main view structure of a calibration device for a pressure gauge according to an embodiment of the present invention.
Fig. 2 shows a schematic view of a top view structure of a calibration apparatus for a pressure gauge according to an embodiment of the present invention.
Fig. 3 shows a schematic view of a seal seat structure of a pressure gauge calibration apparatus according to an embodiment of the present invention.
Wherein, 1, a base; 2. a card slot; 3. a sealing seat; 4. a jacking mechanism; 5. a telescopic rod; 6. a hydraulic cylinder; 7. a pressure lever mechanism; 8. a seal ring; 9. air holes; 10. an air inlet pipe; 11. and (4) quickly connecting a joint.
Detailed Description
The following description is given for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be apparent to those skilled in the art from the disclosure of the present invention.
Please refer to fig. 1 to 3. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Please refer to fig. 1 to 3, the utility model provides a manometer calibrating device, which comprises a base 1, 1 inside cavity of base and one side opening, 1 top of base is close to open-ended one side and has been seted up draw-in groove 2, 2 inboard of draw-in groove are circular-arcly, 1 inside corresponding draw-in groove 2 of base is provided with seal receptacle 3, 3 inside cavities of seal receptacle, set up gas pocket 9 in the middle of the upper surface, 3 upper surface edges of seal receptacle are provided with ring type seal 8, seal receptacle 8 can be dismantled with 3 upper surfaces of seal receptacle and be connected, 3 one side intercommunications of seal receptacle have intake pipe 10, intake pipe 10 end sets up quick-connect joint 11, intake pipe 10 connects the compressed air pipeline through quick- connect 11, 3 bottom surfaces of seal receptacle set up climbing mechanism 4, climbing mechanism 4 adopts pneumatic cylinder 6, 3 bottom surfaces of telescopic link 5 connection seal receptacle in the pneumatic cylinder 6, pneumatic cylinder 6 one side sets up the bar mechanism 7 that is used for driving pneumatic cylinder 6.
The working principle of the pressure gauge calibrating device is as follows:
when the pressure gauge is calibrated, a flange connected below the pressure gauge is placed between a clamping groove 2 and a sealing seat 3, a pipeline between the flange and the pressure gauge is clamped into the clamping groove 2, then a pressure rod mechanism 7 is driven to reciprocate up and down, an expansion rod 5 in a hydraulic cylinder 6 is lifted upwards under the action of the pressure rod mechanism 7, the sealing seat 3 moves upwards under the driving of the expansion rod 5, the flange is clamped by the sealing seat 3 and an upper panel of a base 1, the sealing seat 3 and the flange are sealed by a sealing ring 8 on the sealing seat 3, then an air inlet pipe 10 on one side of the sealing seat 3 is connected with a compressed air pipeline through a quick connector 11, rated mega pascal is filled into the sealing seat 3 through the compressed air pipeline, compressed air enters the flange through an air hole 9 in the upper surface of the sealing seat 3, then the flange is kept stand to observe the reading of the pressure gauge, a pointer on the pressure gauge is adjusted to the position of the mega pascal, so that the zero calibration of the pressure gauge is realized, after the pressure gauge is calibrated, an operator disconnects the compressed air pipeline connected with the quick connector 11, the compressed air inside the flange is discharged from the air inlet pipe 10, then the operator contracts to drive the pressure rod mechanism 7, and replace the flange for repeated operation of the flange.
To sum up, the utility model discloses in set up seal receptacle and base, through climbing mechanism drive seal receptacle motion, utilize seal receptacle and base to carry out the centre gripping to the flange to make calibrating device can be applicable to not unidimensional flange, need not to test flange and pipe connection, overall structure is simple, and is easy and simple to handle, has effectively improved the work efficiency and the detection precision that the manometer detected. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (5)

1. The utility model provides a manometer calibrating device, a serial communication port, including base (1), base (1) inside cavity and one side opening, draw-in groove (2) have been seted up to base (1) top near open-ended one side, and base (1) inside corresponds draw-in groove (2) and is provided with seal receptacle (3), and the inside cavity of seal receptacle (3) sets up gas pocket (9) in the middle of the upper surface, and seal receptacle (3) upper surface edge is provided with ring packing (8), and seal receptacle (3) one side intercommunication has intake pipe (10), and seal receptacle (3) bottom surface sets up climbing mechanism (4).
2. The calibration device for a pressure gauge according to claim 1, wherein: the tail end of the air inlet pipe (10) is provided with a quick connector (11), and the air inlet pipe (10) is connected with a compressed air pipeline through the quick connector (11).
3. The calibration device for a pressure gauge according to claim 1, wherein: the jacking mechanism (4) adopts a hydraulic cylinder (6), a telescopic rod (5) in the hydraulic cylinder (6) is connected with the bottom surface of the sealing seat (3), and a pressure lever mechanism (7) used for driving the hydraulic cylinder (6) is arranged on one side of the hydraulic cylinder (6).
4. A calibration device for a pressure gauge according to claim 1, wherein: the inner side of the clamping groove (2) is arc-shaped.
5. A calibration device for a pressure gauge according to claim 1, wherein: the sealing ring (8) is detachably connected with the upper surface of the sealing seat (3).
CN202222726862.5U 2022-10-17 2022-10-17 Pressure gauge calibrating device Active CN218455521U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222726862.5U CN218455521U (en) 2022-10-17 2022-10-17 Pressure gauge calibrating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222726862.5U CN218455521U (en) 2022-10-17 2022-10-17 Pressure gauge calibrating device

Publications (1)

Publication Number Publication Date
CN218455521U true CN218455521U (en) 2023-02-07

Family

ID=85126181

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222726862.5U Active CN218455521U (en) 2022-10-17 2022-10-17 Pressure gauge calibrating device

Country Status (1)

Country Link
CN (1) CN218455521U (en)

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