CN219532373U

CN219532373U - Elastic element type general pressure gauge, pressure vacuum gauge and vacuum gauge calibrating device

Info

Publication number: CN219532373U
Application number: CN202320613617.5U
Authority: CN
Inventors: 鞠陶建; 张欢
Original assignee: Jiangsu Keliang Measurement And Testing Co ltd
Current assignee: Jiangsu Keliang Measurement And Testing Co ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-08-15
Anticipated expiration: 2033-03-23

Abstract

The utility model discloses an elastic element type general pressure gauge, a pressure vacuum gauge and a vacuum gauge calibrating device, which relate to the technical field of pressure gauge calibrating devices and are characterized in that: including examining the case, examine and examine one side of case and be connected with the pneumatic tank through first communicating pipe, the pneumatic tank is connected with the air pump through the third communicating pipe, the pneumatic tank still is connected with pneumatic equipment through the second communicating pipe, the second communicating pipe with equal fixed mounting has the valve on the third communicating pipe, fixed mounting has the barometer on the pneumatic tank, it installs the chamber door to examine and examine the case to rotate, the one end fixed mounting of chamber door has the blocking part, slidable mounting has the pin on the chamber door, it installs the commentaries on classics handle to rotate on the examination case, and the effect is the operation degree of difficulty when having reduced examination manometer, can improve detection efficiency.

Description

Elastic element type general pressure gauge, pressure vacuum gauge and vacuum gauge calibrating device

Technical Field

The utility model relates to the technical field of pressure gauge calibrating devices, in particular to an elastic element type general pressure gauge, a pressure vacuum gauge and a vacuum gauge calibrating device.

Background

The pressure gauge is an instrument which takes an elastic element as a sensitive element and measures and indicates pressure higher than the environment, is extremely popular in application, is almost widely seen in all industrial processes and scientific research fields, such as a heating power pipe network, an oil gas transmission system, a water supply and air supply system, a vehicle maintenance factory shop and the like, particularly 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 pressure gauge transmits the pressure deformation to a pointer through the elastic deformation of the sensitive element in the gauge, and the pointer is caused to rotate to display the pressure by a conversion mechanism of a movement in the gauge, so that the pressure gauge has a plurality of types and 3 negative pressures (vacuum gauges) in a negative pressure range (vacuum gauge); the pressure gauge of the positive pressure and negative pressure connection is a pressure gauge crossing a volume domain, and the standard name of the pressure gauge is a pressure vacuum gauge, also called a vacuum pressure gauge, and can measure not only positive pressure but also negative pressure. The accuracy class classification of the pressure gauge is quite clear.

In the production process of the pressure gauge, in order to make the quality of the produced pressure gauge qualified, the pressure gauge verification is an indispensable step, and for a producer, improving the verification efficiency of the pressure gauge is one factor of the greatest concern, and the use difficulty of the verification device needs to be reduced because the verification efficiency can be improved, so the application provides an elastic element type general pressure gauge, a pressure vacuum gauge and a vacuum gauge verification device.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide an elastic element type general pressure gauge, a pressure vacuum gauge and a vacuum gauge verification device.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an elastic element formula general manometer, pressure vacuum gauge and vacuum gauge calibrating installation, includes the examination case, one side of examination case is connected with the pneumatic tank through first communicating pipe, the pneumatic tank is connected with the air pump through the third communicating pipe, the pneumatic tank still is connected with pneumatic equipment through the second communicating pipe, the second communicating pipe with all fixed mounting has the valve on the third communicating pipe, fixed mounting has the barometer on the pneumatic tank, it installs the chamber door to rotate on the examination case, the one end fixed mounting of chamber door has the blocking portion, slidable mounting has the pin on the chamber door, it installs the commentaries on classics handle to rotate on the examination case.

Preferably, a first sealing rubber pad is fixedly arranged on the open end of the verification box, and a second sealing rubber pad is fixedly arranged at the edge of the inner surface of the box door.

Preferably, a convex part is fixedly arranged on the outer surface of the box door, and a sliding cavity matched with the stop lever is arranged in the convex part.

Preferably, a limiting block is fixedly arranged at one end of the stop lever, and a limiting groove matched with the limiting block is formed at the end part of the sliding cavity.

Preferably, the box door is made of transparent materials.

Preferably, the valves on the second communicating pipe and the third communicating pipe are all electromagnetic valves.

Compared with the prior art, the utility model has the following beneficial effects: the air pressure state inside the calibrating device is changed through the air pump and the air pressure equipment, the calibrating device is kept in a communicating state with the air pressure tank through the first communication pipe, then the air pressure meter can detect the internal air pressure of the calibrating device in real time, the blocking part is fixedly arranged at one end of the box door, the stop lever is slidably arranged on the box door, the rotating handle is rotatably arranged on the calibrating box, when the box door is opened or closed, the use difficulty of the calibrating device is effectively reduced, the operation difficulty of the calibrating pressure meter is reduced, and the detection efficiency can be improved.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

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

FIG. 3 is a schematic view of another embodiment of the present utility model;

fig. 4 is a schematic diagram of a split structure of a door and a bar in the present utility model.

1. A verification box; 2. a verification chamber; 3. a door; 4. a first sealing rubber pad; 5. a rotating handle; 6. a convex portion; 7. a stop lever; 8. a sliding chamber; 10. a limiting block; 11. a blocking portion; 12. a second sealing rubber pad; 13. an air pressure tank; 14. a first communication pipe; 15. an air pressure gauge; 16. an air pressure device; 17. an air pump; 18. a second communicating pipe; 19. an electromagnetic valve; 20. and a third communicating pipe.

Detailed Description

The principles and features of the present utility model are described below with reference to fig. 1-4, the examples being provided for illustration only and not for limitation of the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 4, the present utility model provides an elastic element type calibrating apparatus for general manometer, pressure vacuum gauge and vacuum gauge, comprising a calibrating chamber 1, wherein a calibrating chamber 2 is provided in the calibrating chamber 1, a placing part for placing the manometer is provided at the bottom of the calibrating chamber 2, the placing part may be provided in plurality, so that the calibrating chamber 1 can calibrate a plurality of manometers at a time, the calibrating efficiency of the calibrating apparatus is increased, one side of the calibrating chamber 1 is connected with an air pressure tank 13 through a first communicating pipe 14, the air pressure tank 13 is connected with an air pump 17 through a third communicating pipe 20, the air pressure tank 13 is also connected with an air pressure device 16 through a second communicating pipe 18, valves are fixedly installed on the second communicating pipe 18 and the third communicating pipe 20, the valves on the second communicating pipe 18 and the third communicating pipe 20 are electromagnetic valves 19, the air pressure gauge 15 is fixedly installed on the air pressure tank 13, the air pressure tank 13 is always communicated with the inside of the verification box 1, the air pressure in the air pressure tank 13 is the same as the air pressure in the verification box 1, the air pressure in the air pressure tank 13 is detected in real time through the air pressure meter 15, the air pressure detected by the air pressure tank 13 is the air pressure in the verification box 1, the air pressure meter is placed in the verification box 1 and is in a sealed state during detection, the air pressure in the verification box 1 can be reduced through the air pump 17, or the air pressure in the verification box 1 can be increased through the air pressure equipment 16, the air pressure state in the verification box 1 can be regulated according to the requirements of a user, various types of pressure meters can be verified through the verification box 1, the box door 3 is rotatably arranged on the verification box 1, the box door 3 is made of transparent materials, the state of the pressure meter can be observed from the outside of the verification box 1 during verification of the pressure meter, the check box comprises a box door 3, a stop part 11 fixedly arranged at one end of the box door 3, a stop lever 7 is slidably arranged on the box door 3, a rotating handle 5 is rotatably arranged on the check box 1, a first sealing rubber gasket 4 is fixedly arranged at the open end of the check box 1, a second sealing rubber gasket 12 is fixedly arranged at the edge of the inner surface of the box door 3, a pressure gauge is placed in a check cavity 2, the open end of the check box 1 is sealed by rotating the box door 3, the second sealing rubber gasket 12 on the box door 3 is tightly attached to the first sealing rubber gasket 4 arranged at the open end of the check box 1, the rotating handle 5 is upwardly rotated to enable one side of the rotating handle 5 to enter a notch of the stop part 11, the rotating handle 5 is kept in a vertical state at the moment, the box door 3 inwardly extrudes the second sealing rubber gasket 12 and the first sealing rubber gasket 4 at the moment, the second sealing rubber gasket 12 and the first sealing rubber gasket 4 are deformed, the sealing state of the open end of the check box 1 can be improved, the stop lever 7 is downwardly slid, the rotating handle 5 is limited between the stop lever 11 and the stop lever 7, the box door 3 is fixed, and the stop lever 7 is required to be opened, the operation efficiency can be extremely high, and the operation difficulty can be conveniently detected when the box door 3 is very closed, and the operation difficulty is reduced.

The outer surface of the box door 3 is fixedly provided with a convex part 6, a sliding cavity 8 matched with a stop lever 7 is formed in the convex part 6, a limiting block 10 is fixedly arranged at one end of the stop lever 7, a limiting groove matched with the limiting block 10 is formed in the end part of the sliding cavity 8, and the stop lever 7 is limited in the convex part 6, so that the sliding stop lever 7 is convenient and fast.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way; those skilled in the art will readily appreciate that the present utility model may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present utility model are possible in light of the above teachings without departing from the scope of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the present utility model.

Claims

1. Elastic element formula general manometer, pressure vacuum gauge and vacuum gauge calibrating installation, its characterized in that: including examining the case (1), one side of examining the case (1) is connected with atmospheric pressure jar (13) through first communicating pipe (14), be connected with air pump (17) through third communicating pipe (20) of atmospheric pressure jar (13), atmospheric pressure jar (13) still are connected with pneumatic equipment (16) through second communicating pipe (18), second communicating pipe (18) with equal fixed mounting has the valve on third communicating pipe (20), fixed mounting has barometer (15) on atmospheric pressure jar (13), it installs chamber door (3) to examine and examine the rotation on case (1), the one end fixed mounting of chamber door (3) has blocking part (11), slidable mounting has pin (7) on chamber door (3), it installs turn handle (5) to examine and examine to rotate on case (1).

2. The spring element type general pressure gauge, pressure vacuum gauge and vacuum gauge verification device according to claim 1, wherein: the open end of the verification box (1) is fixedly provided with a first sealing rubber pad (4), and the edge of the inner surface of the box door (3) is fixedly provided with a second sealing rubber pad (12).

3. The spring element type general pressure gauge, pressure vacuum gauge and vacuum gauge verification device according to claim 1, wherein: the outer surface of the box door (3) is fixedly provided with a convex part (6), and a sliding cavity (8) matched with the stop lever (7) is formed in the convex part (6).

4. The spring element type general pressure gauge, pressure vacuum gauge and vacuum gauge verification device according to claim 3, wherein: a limiting block (10) is fixedly arranged at one end of the stop lever (7), and a limiting groove matched with the limiting block (10) is formed in the end part of the sliding cavity (8).

5. The spring element type general pressure gauge, pressure vacuum gauge and vacuum gauge verification device according to claim 1, wherein: the box door (3) is made of transparent materials.

6. The spring element type general pressure gauge, pressure vacuum gauge and vacuum gauge verification device according to claim 1, wherein: the valves on the second communicating pipe (18) and the third communicating pipe (20) are electromagnetic valves (19).