CN215524918U

CN215524918U - Zero setting calibrating device for pressure gauge

Info

Publication number: CN215524918U
Application number: CN202122277423.6U
Authority: CN
Inventors: 张悦
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-01-14
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses a zero setting calibration device for a pressure gauge, which comprises a pressure gauge body, wherein a connector is arranged at the lower part of the pressure gauge body, a valve is connected to the middle flange of the connector, and a dial is arranged inside the pressure gauge body. According to the utility model, two side columns are welded on the side face of the core inside the pressure gauge body, and two limiting columns are welded on the inner wall face of the pressure gauge body corresponding to the side columns, when the pressure gauge body explodes the gauge, the deformation of the spring tube drives the core to rotate rapidly through the connecting rod, so that the side columns are in contact with the limiting columns in the process of rotating rapidly along with the core, the rotation range of the core is limited, the condition that components inside the pressure gauge body are damaged under the gauge explosion state is avoided, and the valve connected with a flange on the connector is rotated to enable the valve to cut off the pressure impact of a measured object on the pressure gauge body, so that the spring tube is separated from the deformation state, and the automatic resetting and zero setting of a pointer are facilitated.

Description

Zero setting calibrating device for pressure gauge

Technical Field

The utility model relates to the technical field of pressure gauges, in particular to a zero setting calibration device for a pressure gauge.

Background

The manometer is mainly used for detecting and judging physical measurement that human sense organs such as gas, liquid and the like are difficult to accurately judge and measure, can accurately judge and detect the internal pressure thereof through the manometer, and because the pressure of a measured object is basically in an unstable transformation state, the manometer has a measuring limit, and once the pressure value inside the measured object rapidly rises, the situation of explosion of the manometer easily appears when exceeding the measuring limit of the measuring manometer.

The prior art has the following problems:

the existing pressure gauge is easy to cause the damage of an internal structure when the pressure value inside a measured object rapidly rises in the using process, and a spring tube in the pressure gauge is continuously in a deformation state, so that the resetting and zero setting calibration of a pointer of the pressure gauge are not facilitated.

We therefore propose a pressure gauge zero setting calibration device that solves the above drawbacks.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a zero setting calibration device for a pressure gauge.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a manometer zero setting calibrating device, includes the manometer body, the lower part of manometer body is provided with the joint, and the middle part flange joint who connects has the valve, the inside of manometer body is provided with the calibrated scale, and the fixed core that is provided with in centre of a circle department of calibrated scale, the periphery of core is provided with the spring pipe, and the one end of spring pipe passes through the connecting rod and is connected with the core, the nested connection in centre of a circle department of core has the pointer, and the side welding of core has the side prop, manometer body internal face welding has spacing post, and spacing post contradicts with the side prop.

Preferably, the edge of manometer body front end surface encircles the phosphor strip that bonds and has a plurality of arc structures, the surface bonding of calibrated scale has the fluorescence ring.

Preferably, two side columns are welded on the side face of the movement, and two limiting columns are welded on the inner wall face of the pressure gauge body corresponding to the side columns.

Preferably, two ends of the valve are respectively connected with the joint through a first connecting flange and a second connecting flange.

Preferably, a hexagonal nut is integrally arranged on the surface of the upper part of the joint, and an external thread is arranged on the surface of the lower part of the joint.

Preferably, the periphery of the limiting column is sleeved with a cylindrical rubber sleeve.

Compared with the prior art, the utility model has the beneficial effects that;

1. according to the utility model, two side columns are welded on the side surface of the core inside the pressure gauge body, and two limiting columns are welded on the inner wall surface of the pressure gauge body corresponding to the side columns, when the pressure gauge body explodes the gauge, the deformation of the spring tube drives the core to rotate rapidly through the connecting rod, so that the side columns are in contact with the limiting columns in the process of rotating rapidly along with the core, the rotation range of the core is limited, the condition that components inside the pressure gauge body are damaged in the gauge explosion state is avoided, and the valve connected with a flange on the connector is rotated to cut off the pressure impact of a measured object on the pressure gauge body, so that the spring tube is separated from the deformation state, and the automatic resetting and zero setting of a pointer are facilitated.

2. According to the utility model, the edge of the front end surface of the pressure gauge body is surrounded and bonded with the plurality of the fluorescent strips with the arc-shaped structures, and the fluorescent strips are bonded with the surface of the dial scale in a surrounding manner, so that the pressure gauge body can emit dim light in a dark environment, and the display of the position of the pressure gauge body and the reading of a pressure value are facilitated.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a zero adjustment calibration device for a pressure gauge according to the present invention;

FIG. 2 is a schematic view of a joint structure of a zero adjustment calibration device for a pressure gauge according to the present invention;

fig. 3 is a schematic diagram of a dial structure of the zero setting calibration device for a pressure gauge according to the present invention.

Illustration of the drawings:

1. a pressure gauge body; 2. a dial scale; 3. a fluorescent strip; 4. a joint; 5. a valve; 6. a spring tube; 7. a movement; 8. a connecting rod; 9. a pointer; 10. a side post; 11. a limiting column; 12. a first connecting flange; 13. a second connecting flange; 14. a fluorescent ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, a zero setting calibration device for a pressure gauge comprises a pressure gauge body 1, a connector 4 is arranged at the lower part of the pressure gauge body 1, a valve 5 is connected to the middle flange of the connector 4, a dial 2 is arranged inside the pressure gauge body 1, a movement 7 is fixedly arranged at the center of the dial 2, a spring tube 6 is arranged at the periphery of the movement 7, one end of the spring tube 6 is connected with the movement 7 through a connecting rod 8, a pointer 9 is connected to the center of the movement 7 in a nested manner, a side column 10 is welded to the side surface of the movement 7, a limit column 11 is welded to the inner wall surface of the pressure gauge body 1, the limit column 11 is abutted against the side column 10, two side columns 10 are welded to the side surface of the movement 7 inside the pressure gauge body 1, two limit columns 11 are welded to the inner wall surface of the pressure gauge body 1 corresponding to the side columns 10, when the pressure gauge body 1 explodes, the deformation of the spring tube 6 drives the movement 7 to rotate rapidly through the connecting rod 8, make the side prop 10 follow core 7 and rotate the in-process fast and take place the contact with spacing post 11, be favorable to prescribing a limit to the rotation range of core 7, avoid exploding the condition that takes place the internal member of manometer body 1 and damage under the table state, and through valve 5 of flange joint on the rotating joint 4, impel valve 5 to cut the measured object and strike the pressure of manometer body 1 for spring tube 6 breaks away from deformation state, thereby be favorable to the automatic re-setting and the zero set of pointer 9.

In one embodiment, the edge of manometer body 1 front end surface encircles the phosphor strip 3 that bonds and have a plurality of arc structures, and the surface bonding of calibrated scale 2 has fluorescence ring 14, through encircle the phosphor strip 3 that bonds and have a plurality of arc structures in the edge of manometer body 1 front end surface, cooperates 2 surperficial fluorescence rings 14 of bonding of calibrated scale for manometer body 1 can send out shimmer under dim environment, is favorable to the manifestation of manometer body 1 position and the reading of pressure numerical value.

In one embodiment, two side columns 10 are welded on the side surface of the movement 7, two limiting columns 11 are welded on the inner wall surface of the pressure gauge body 1 corresponding to the side columns 10, and the rotation range of the movement 7 is convenient to limit through the side columns 10 and the limiting columns 11.

In one embodiment, two ends of the valve 5 are respectively connected with the joint 4 through the first connecting flange 12 and the second connecting flange 13, and the first connecting flange 12 and the second connecting flange 13 facilitate the installation of the valve 5 and can ensure the tightness of the connection between the joint 4 and the valve 5.

In one embodiment, a hexagonal nut is integrally provided on an upper surface of the joint 4, and an external thread is provided on a lower surface of the joint 4, so that the joint 4 can be easily mounted by fixedly providing the hexagonal nut and the external thread.

In one embodiment, the periphery of the limiting column 11 is sleeved with a cylindrical rubber sleeve, and the elasticity of the contact between the limiting column 11 and the side column 10 can be increased through the rubber sleeve, so that the situation that the movement 7 shakes due to rigid contact is avoided.

The working principle is as follows: when the automatic gauge explosion gauge works, two side columns 10 are welded on the side face of a core 7 in a pressure gauge body 1, two limiting columns 11 are welded on the inner wall face of the pressure gauge body 1 corresponding to the side columns 10, when the pressure gauge body 1 explodes the gauge, the deformation of a spring tube 6 drives the core 7 to rotate rapidly through a connecting rod 8, so that the side columns 10 contact with the limiting columns 11 in the process of rotating rapidly along with the core 7, the rotation range of the core 7 is limited, the condition that components in the pressure gauge body 1 are damaged in the gauge explosion state is avoided, the valve 5 connected with a flange on a rotating joint 4 is used for promoting the valve 5 to cut off the pressure impact of a measured object on the pressure gauge body 1, the spring tube 6 is separated from the deformation state, the automatic reset and zero adjustment of a pointer 9 are facilitated, and meanwhile, a plurality of fluorescent strips 3 with arc-shaped structures are bonded around the edge of the front end surface of the pressure gauge body 1, the fluorescence ring 14 that the cooperation calibrated scale 2 surface bonded for manometer body 1 can send down shimmer under dim environment, is favorable to the demonstration of manometer body 1 position and the reading of pressure numerical value.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a manometer zero setting calibrating device, includes manometer body (1), its characterized in that, the lower part of manometer body (1) is provided with connects (4), and the middle part flange joint who connects (4) has valve (5), the inside of manometer body (1) is provided with calibrated scale (2), and the fixed core (7) that is provided with in centre of a circle department of calibrated scale (2), the periphery of core (7) is provided with spring tube (6), and the one end of spring tube (6) is passed through connecting rod (8) and is connected with core (7), the nested connection in centre of a circle department of core (7) has pointer (9), and the side welding of core (7) has side prop (10), manometer body (1) internal face welding has spacing post (11), and spacing post (11) contradict with side prop (10).

2. The zero setting calibration device of the pressure gauge according to claim 1, characterized in that a plurality of arc-shaped fluorescent strips (3) are bonded around the edge of the front end surface of the pressure gauge body (1), and a fluorescent ring (14) is bonded on the surface of the dial (2).

3. The zero setting calibration device for the pressure gauge according to claim 1, wherein two side columns (10) are welded on the side surface of the movement (7), and two limit columns (11) are welded on the inner wall surface of the pressure gauge body (1) corresponding to the side columns (10).

4. A zero-setting calibration device for a pressure gauge according to claim 1, characterized in that both ends of said valve (5) are connected to said connector (4) by means of a first connecting flange (12) and a second connecting flange (13), respectively.

5. The zero-setting calibrating device for the pressure gauge according to claim 1, wherein the upper surface of the joint (4) is integrally provided with a hexagonal nut, and the lower surface of the joint (4) is provided with an external thread.

6. The zero setting calibration device of the pressure gauge according to claim 1, wherein a cylindrical rubber sleeve is sleeved on the periphery of the limiting column (11).