CN212721908U

CN212721908U - Manometer normal position metrological calibrating installation

Info

Publication number: CN212721908U
Application number: CN202021747908.6U
Authority: CN
Inventors: 杨凤
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-03-16
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses a manometer normal position metrological verification device, which comprises a shell and a protective cover, wherein the protective cover is arranged on the outer wall of the front end of the shell, the outer wall of the lower end of the shell is provided with a connecting column, the outer wall of the lower end of the connecting column is provided with a sealing column, the outer wall of the lower end of the sealing column is provided with an installation screw rod, after long-time use, a large amount of dust, greasy dirt and the like are generated on the magnifier, the magnifier needs to be cleaned at the moment, the magnifier is prevented from being unclear, firstly, the stopper rotates reversely, so that the protective cover is loosened by the stopper, the movable rod can rotate towards the upper side or the left side and the right side, then, the decontaminating agent is sprayed at the front end and the rear end of the magnifier, then the dust or the greasy dirt is cleaned by using a cleaning cloth, and finally, the, and meanwhile, the dust and oil stains on the protective cover are easy to clean.

Description

Manometer normal position metrological calibrating installation

Technical Field

The utility model belongs to the technical field of the manometer is relevant, concretely relates to manometer normal position metrological verification device.

Background

The pressure gauge is a meter which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the ambient pressure, is very commonly applied and almost extends to all the fields of industrial processes and scientific researches. 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. In particular, 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 an elastic sensitive element of the mechanical pressure gauge, the pressure gauge conducts pressure deformation to a pointer through the elastic deformation of the sensitive element (a Bourdon tube, a diaphragm capsule and a corrugated tube) in the gauge and a conversion mechanism of a movement in the gauge, and the pointer is caused to rotate to display pressure.

The prior art of the in-situ metrological verification device for the pressure gauge has the following problems: the manometer that uses now receives the outside pollution of other gas of pressure instrument or liquid easily for the manometer is difficult to in time see the condition of pointer or graduation apparatus clearly, and moreover because pressure instrument operational environment is generally all comparatively abominable, and the space is narrow and small moreover, is difficult to with pressure dial plate clean up.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a manometer normal position metrological verification device to it receives the outside other gaseous or liquid pollution of manometer easily to propose among the above-mentioned background art that current manometer causes the condition that is difficult to in time see pointer or graduation apparatus clearly and is difficult to the problem with pressure dial plate clean up to solve.

In order to achieve the above object, the utility model provides a following technical scheme: a manometer in-situ metering calibrating device comprises a shell and a protective cover, wherein the protective cover is installed on the outer wall of the front end of the shell, a connecting column is arranged on the outer wall of the lower end of the shell, a sealing column is arranged on the outer wall of the lower end of the connecting column, an installing screw rod is arranged on the outer wall of the lower end of the sealing column, an observing groove is arranged in the outer wall of the front end of the shell, a dial plate is arranged on the inner wall of the rear end of the observing groove, a dial gauge is arranged on the outer wall of the front end of the dial plate, a pointer is also arranged on the outer wall of the front end of the dial plate, a magnifying lens is arranged in the protective cover, a stop block is arranged on the outer wall of the front end of the lower side of the protective cover, a movable hole is arranged on the protective cover on the, and sealing rings are arranged on the inner walls of the left end and the right end of the sealing groove.

Preferably, a diaphragm is arranged inside the outer wall of the lower end of the mounting screw, and a sealing gasket is arranged on the outer wall of the lower end of the sealing column.

Preferably, the magnifier is a circular convex lens, and the diameter of the magnifier is the same as that of the observation groove.

Preferably, the length of the movable rod is greater than the width of the protective cover, and external threads are arranged on the outer wall of the circumference of the rear end of the movable rod.

Preferably, the diameter of the stopper is larger than that of the movable hole, and the diameter of the movable hole is larger than that of the movable rod.

Preferably, the width of the sealing groove is the same as the width of the housing, and the foremost end of the housing is arranged inside the sealing groove.

Compared with the prior art of manometer normal position metrological verification device, the utility model provides a manometer normal position metrological verification device possesses following beneficial effect:

the protective cover is additionally arranged on the shell of the pressure gauge, the transparent glass sheet on the pressure gauge is protected by the protective cover, dust or oil stain is prevented from being stained on the transparent glass sheet, the pointer can not be seen clearly, meanwhile, the position of the pointer can be seen clearly through the magnifier in the protective cover, the pressure value is measured, when the protective cover is installed, the movable hole below the protective cover can be aligned with the screw hole above the shell, then the movable rod is inserted into the movable hole, then the stop block is held, the stop block is rotated simultaneously, the rear end of the movable rod is inserted into the screw hole, then two sealing rings are pasted on the inner walls at the left end and the right end of the sealing groove, thus, dust is prevented from entering the pressure gauge from the gap between the protective cover and the shell, the protective cover can be fixed, then the protective cover is clamped at the front end of the shell, so that the front end of the shell is arranged in the sealing groove, other personnel can quickly check the position of the pointer through the magnifier at the moment, the pointer points to the number of the scale meter so as to obtain a pressure value, so that the magnifier can be installed in the observation groove to protect the transparent glass sheet on the front side of the dial, and prevent external oil stain from being stained on the transparent glass sheet, and meanwhile, the pointer and the scale meter on the pressure meter can be amplified for convenient quick check, after long-time use, a large amount of dust, oil stain and the like exist on the magnifier, at the moment, the magnifier needs to be cleaned, and the unclearly-looking is avoided, the baffle block is reversely rotated at first, so that the baffle block loosens the protective cover, at the moment, the movable rod can be rotated towards the upside or the left side and the right side, then, a detergent is sprayed at the front end and the rear end of the magnifier, and, the protective cover is simple in structure, not only is easy to install and detach, but also can protect the transparent glass sheet on the pressure gauge, and meanwhile, dust and oil stains of the protective cover are easy to clean.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic view of a three-dimensional structure of a pressure gauge in-situ metrological verification device provided by the utility model;

fig. 2 is a schematic view of a three-dimensional structure of the in-situ metrological verification device for the pressure gauge provided by the utility model;

FIG. 3 is a schematic view of a three-dimensional side plane structure of the in-situ metrological verification device for pressure gauges provided by the present invention;

fig. 4 is a schematic view of a back three-dimensional structure of the protective cover according to the present invention;

in the figure: 1. a housing; 2. a protective cover; 3. sealing the column; 4. connecting columns; 5. installing a screw rod; 6. a dial plate; 7. observing the groove; 8. a magnifying glass; 9. a stopper; 10. a pointer; 11. a dial gauge; 12. a movable rod; 13. a movable hole; 14. a screw hole; 15. a seal ring; 16. sealing the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an in-situ metering and calibrating device for a pressure gauge comprises a shell 1 and a protective cover 2, wherein the protective cover 2 is arranged on the outer wall of the front end of the shell 1, a connecting column 4 is arranged on the outer wall of the lower end of the connecting column 4, a sealing column 3 is arranged on the outer wall of the lower end of the sealing column 3, an installing screw 5 is arranged on the outer wall of the lower end of the sealing column 3, an observing groove 7 is arranged in the outer wall of the front end of the shell 1, a dial 6 is arranged on the inner wall of the rear end of the observing groove 7, a scale 11 is arranged on the outer wall of the front end of the dial 6, a pointer 10 is also arranged on the outer wall of the front end of the dial 6, a magnifying glass 8 is arranged in the protective cover 2, a stop glass 9 is arranged on the outer wall of the front end of the lower side of the protective cover 2, a movable hole 13 is arranged, the width of seal groove 16 is the same with the width of shell 1, and the most front end setting of shell 1 is in the inside of seal groove 16, can install protection casing 2 at the front end of shell 1 like this, protects the transparent glass piece on the manometer through magnifying glass 8, all is provided with sealing washer 15 on the both ends inner wall about seal groove 16.

A manometer normal position metrological verification device, including outer casing 1 and protective cover 2, install the diaphragm in the 5 lower end outer walls of screw rod, there are sealed gaskets on the outer wall of lower end of the sealed column 3, can contact the detected object through the diaphragm in the installation screw rod 5 like this, make the manometer measure the pressure value, and when installing, the leakproofness when installing has been guaranteed through the sealed gasket, the magnifying glass 8 is the round convex mirror, the diameter of the magnifying glass 8 is the same with the diameter of observing the trough 7, so not only can install the magnifying glass 8 in the inside of observing the trough 7, protect the transparent glass sheet of the front side of the watch disk 6, prevent the external greasy dirt from staining the transparent glass sheet, can also carry on the amplification treatment with the pointer 10 and the dial gauge 11 on the manometer at the same time, it is convenient to look over fast, the length of the movable rod 12 is greater than the width of the protective cover 2, make movable rod 12 can install in screw 14 on shell 1 like this, can also guarantee the protection casing 2 back-and-forth movement simultaneously, conveniently rotate protection casing 2, the diameter of dog 9 is greater than the diameter of activity hole 13, the diameter of activity hole 13 is greater than the diameter of movable rod 12, when making the protection casing 2 back-and-forth movement like this, has guaranteed through dog 9 that protection casing 2 can not fall off.

The utility model discloses a theory of operation and use flow: after the utility model is installed, when the protective cover 2 is installed, the magnifier 8 is installed inside the protective cover 2, then the stopper 9 is installed at the front end of the movable rod 12, at this time, the protective cover 2 is required to be fixed at the front end of the shell 1, the movable hole 13 below the protective cover 2 can be aligned with the screw hole 14 above the shell 1, then the movable rod 12 is inserted into the movable hole 13, then the stopper 9 is pinched, the stopper 9 is rotated simultaneously, so that the rear end of the movable rod 12 is inserted into the screw hole 14, then two sealing rings 15 are pasted on the inner walls at the left end and the right end of the sealing groove 16, then the protective cover 2 is clamped at the front end of the shell 1, thus the front end of the shell 1 is arranged in the sealing groove 16, then the stopper 9 is rotated again, so that the stopper 9 tightly presses the protective cover 2, finally, the pressure gauge can be installed on a pipeline through the installation screw rod 5, the pressure gauge is characterized in that the pressure gauge is elastically deformed through a sensitive element (membrane) in the gauge, the pressure deformation is transmitted to a pointer 10 through a conversion mechanism of a movement in the gauge, the pointer 10 is caused to rotate to display pressure, other personnel can quickly check the position of the pointer 10 through a magnifier 8 at the moment, the pointer 10 points to the number of a dial gauge 11 so as to obtain a pressure value, after the pressure gauge is used for a long time, a large amount of dust, oil stains and the like exist on the magnifier 8, the magnifier needs to be cleaned at the moment, the unclear observation is avoided, firstly, a stop block 9 is reversely rotated, the protective cover 2 is loosened by the stop block 9, when the movable rod 12 does not need to be detached, the movable rod 12 can be rotated upwards or leftwards and rightwards, the protective cover 2 is fixed through rotating the stop block 9 again, then, a detergent is sprayed at the front end and the rear end of the magnifier 8, and then the, finally, the protective cover 2 is reinstalled.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a manometer normal position metrological verification device, includes shell (1) and protection casing (2), its characterized in that: the protective cover (2) is arranged on the outer wall of the front end of the shell (1), the outer wall of the lower end of the shell (1) is provided with a connecting column (4), the outer wall of the lower end of the connecting column (4) is provided with a sealing column (3), the outer wall of the lower end of the sealing column (3) is provided with a mounting screw rod (5), an observation groove (7) is arranged inside the outer wall of the front end of the shell (1), the inner wall of the rear end of the observation groove (7) is provided with a dial plate (6), the outer wall of the front end of the dial plate (6) is provided with a dial scale (11), the outer wall of the front end of the dial plate (6) is also provided with a pointer (10), the inside of the protective cover (2) is provided with a magnifying glass (8), the protective cover (2) is provided with a stop block (9) by the outer wall of the front end of the lower side, the protective cover (2) of the, the inside of activity hole (13) has cup jointed movable rod (12), protection casing (2) rear end outer wall is inside to be provided with seal groove (16), all be provided with sealing washer (15) on the both ends inner wall about seal groove (16).

2. The in-situ metrological verification device for the pressure gauge according to claim 1, characterized in that: the diaphragm is arranged inside the outer wall of the lower end of the mounting screw rod (5), and the sealing gasket is arranged on the outer wall of the lower end of the sealing column (3).

3. The in-situ metrological verification device for the pressure gauge according to claim 1, characterized in that: the magnifying glass (8) is a circular convex lens, and the diameter of the magnifying glass (8) is the same as that of the observation groove (7).

4. The in-situ metrological verification device for the pressure gauge according to claim 1, characterized in that: the length of the movable rod (12) is greater than the width of the protective cover (2), and external threads are arranged on the circumferential outer wall of the rear end of the movable rod (12).

5. The in-situ metrological verification device for the pressure gauge according to claim 1, characterized in that: the diameter of the stop block (9) is larger than that of the movable hole (13), and the diameter of the movable hole (13) is larger than that of the movable rod (12).

6. The in-situ metrological verification device for the pressure gauge according to claim 1, characterized in that: the width of the sealing groove (16) is the same as that of the shell (1), and the foremost end of the shell (1) is arranged in the sealing groove (16).