CN210375513U

CN210375513U - Pressure gauge with protection device

Info

Publication number: CN210375513U
Application number: CN201921392975.8U
Authority: CN
Inventors: 程庆生
Original assignee: Wen'an Xinghua Hardware Products Co Ltd
Current assignee: Wen'an Xinghua Hardware Products Co Ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-04-21
Anticipated expiration: 2029-08-26

Abstract

The utility model belongs to the technical field of the manometer protection, especially, a manometer with protection device, including protection box body, protection lid and manometer, screw socket one has been seted up all around in the front of protection box body, the upper surface of protection box body all sets up recess one with the left and right sides surface, the inside fixedly connected with rubber and plastic insulation material of protection box body, protection box body and rubber and plastic insulation material all set up the recess two that runs through the lower surface, the viewing aperture that runs through the surface is seted up in the front of protection lid. This manometer with protection device through setting up the rubber and plastic insulation material in the protection box body to use in low temperature environment, improve the environmental scope that the manometer is suitable for, through setting up the impact that the deformation of stopping of the baffle of manometer outside and spring buffered external force, thereby reach the effect of protection manometer, improve the accuracy of reading through setting up the scale on the protection lid.

Description

Pressure gauge with protection device

Technical Field

The utility model belongs to the technical field of the manometer protection, especially, a manometer with protection 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. 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 an elastic sensitive element of the mechanical pressure gauge; the pressure gauge transmits pressure deformation to the pointer through elastic deformation of sensitive elements (Bourdon tube, bellows and bellows) in the gauge and a conversion mechanism of a movement in the gauge, so that the pointer rotates to display the pressure.

The pressure gauge is widely applied to schools and some scientific research places, the existing pressure gauge is generally fragile and can be easily damaged when colliding with other hard objects, the protection measures for the pressure gauge in the prior art are not in place, and after the pressure gauge is damaged or collided, the pressure measurement of the pressure gauge is not accurate, so that large errors are generated, and some experimental results are influenced.

To this end, we propose a pressure gauge with protection to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Based on current manometer fragile technical problem, the utility model provides a manometer with protection device.

The utility model provides a manometer with protection device, including protection box body, protection lid and manometer, screw mouth one has been seted up all around in the front of protection box body, the upper surface of protection box body and left and right sides surface all set up recess one, the inside fixedly connected with rubber and plastic insulation material of protection box body, protection box body and rubber and plastic insulation material all set up the recess two that runs through the lower surface, the front of protection lid is seted up the viewing aperture that runs through the surface;

preferably, the inner wall of the first groove is fixedly connected with a spring, the other end of the spring is fixedly connected with a guide rod, and the upper surface of the guide rod is fixedly connected with a baffle;

preferably, the surface of the rubber and plastic heat-insulating material is provided with a third groove, and the third groove is spliced with a gauge head of a pressure gauge;

preferably, the inner wall of the second groove is in sliding connection with the lower end of a pressure gauge, and the lower end of the pressure gauge is in threaded connection with a threaded connector;

preferably, a second screw which penetrates through the protective box cover is arranged on the periphery of the front face of the protective box cover, the second screw is in threaded connection with a nut, and the nut is in threaded connection with the first screw;

preferably, the observation port is consistent with the dial plate of the pressure gauge, and scales consistent with the dial plate of the pressure gauge are arranged on the periphery of the observation port.

The utility model provides a beneficial effect does:

1. the rubber and plastic heat-insulating material in the protective box body is arranged, so that the pressure gauge is convenient to use in a low-temperature environment, and the environment range applicable to the pressure gauge is enlarged.

2. The impact of external force is buffered by the baffle and the spring outside the pressure gauge, so that the effect of protecting the pressure gauge is achieved.

3. The accuracy of reading is improved through setting up the scale on the protection lid, still can read out accurate numerical value through the scale on the protection lid when the inside reading of manometer is worn and torn.

Drawings

Fig. 1 is a schematic view of a pressure gauge with a protection device according to the present invention;

fig. 2 is a diagram of a protection cover of a pressure gauge with a protection device.

In the figure: 1. protecting the box body; 2. a protective box cover; 3. a pressure gauge; 4. a first screw; 5. a first groove; 6. a rubber-plastic heat-insulating material; 7. a second groove; 8. a viewing port; 9. a spring; 10. a guide bar; 11. a baffle plate; 12. a third groove; 13. a threaded joint; 14. a second screw; 15. a nut; 16. and (4) a scale table.

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.

Referring to fig. 1-2, a pressure gauge with a protection device comprises a protection box body 1, a protection box cover 2 and a pressure gauge 3, wherein a first screw opening 4 is formed in the periphery of the front surface of the protection box body 1, grooves 5 are formed in the upper surface and the left and right side surfaces of the protection box body 1, and the first screw opening 4 is formed to facilitate fixing with the protection box cover 2;

further, a spring 9 is fixedly connected to the inner wall of the first groove 5, a guide rod 10 is fixedly connected to the other end of the spring 9, a baffle 11 is fixedly connected to the upper surface of the guide rod 10, the spring 9 and the baffle 11 are arranged, and impact of external force is buffered through deformation of the spring 9;

the rubber and plastic heat-insulating material 6 is fixedly connected to the inside of the protective box body 1, a groove III 12 is formed in the surface of the rubber and plastic heat-insulating material 6, and the groove III 12 is inserted into a gauge head of the pressure gauge 3; the protective box body 1 and the rubber and plastic heat-insulating material 6 are both provided with a second groove 7 penetrating through the lower surface, and the rubber and plastic heat-insulating material 6 is arranged to improve the working efficiency of the pressure gauge 3 in a low-temperature environment;

further, the inner wall of the second groove 7 is slidably connected with the lower end of the pressure gauge 3, the lower end of the pressure gauge 3 is in threaded connection with a threaded connector 13, a second screw 14 penetrating through the protection box cover 2 is formed in the periphery of the front face of the protection box cover 2, the second screw 14 is in threaded connection with a nut 15, the nut 15 is in threaded connection with the first screw 4, and the first screw 4 and the second screw 14 are in threaded connection through the nut 15 to fix the pressure gauge 3;

the front surface of the protective box cover 2 is provided with an observation port 8 penetrating through the surface, and the observation port 8 is arranged to facilitate direct reading of the numerical value of the pressure gauge 3;

furthermore, viewing aperture 8 is unanimous with 3 dials of manometer, viewing aperture 8 is equipped with all around with 3 dials of manometer unanimous graduations table 16, sets up graduations table 16 and conveniently has the wearing and tearing or reading when sheltering from at the built-in scale of manometer 3.

The impact of external force is buffered by arranging the baffle 11 and the spring 9 outside the pressure gauge 3, so that the effect of protecting the pressure gauge 3 is achieved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a manometer with protection device, includes protection box body (1), protection lid (2) and manometer (3), its characterized in that: screw opening one (4) have been seted up all around in the front of protection box body (1), the upper surface and the left and right sides surface of protection box body (1) all set up fluted one (5), the inside fixedly connected with rubber and plastic insulation material (6) of protection box body (1), protection box body (1) and rubber and plastic insulation material (6) all set up the recess two (7) that run through the lower surface, viewing aperture (8) that run through the surface are seted up in the front of protection lid (2).

2. The pressure gauge with the protection device according to claim 1, wherein: the inner wall of the first groove (5) is fixedly connected with a spring (9), the other end of the spring (9) is fixedly connected with a guide rod (10), and the upper surface of the guide rod (10) is fixedly connected with a baffle (11).

3. The pressure gauge with the protection device according to claim 1, wherein: the rubber and plastic heat-insulating material is provided with a third groove (12) on the surface, and the third groove (12) is spliced with a gauge head of the pressure gauge (3).

4. The pressure gauge with the protection device according to claim 1, wherein: the inner wall of the second groove (7) is in sliding connection with the lower end of the pressure gauge (3), and the lower end of the pressure gauge (3) is in threaded connection with a threaded connector (13).

5. The pressure gauge with the protection device according to claim 1, wherein: and a second screw (14) penetrating through the protection box cover (2) is arranged on the periphery of the front surface of the protection box cover (2), the second screw (14) is in threaded connection with a nut (15), and the nut (15) is in threaded connection with the first screw (4).

6. The pressure gauge with the protection device according to claim 1, wherein: the observation port (8) is consistent with the dial plate of the pressure gauge (3), and graduations (16) consistent with the dial plate of the pressure gauge (3) are arranged around the observation port (8).