CN210863031U

CN210863031U - Industrial gas pressure measuring device

Info

Publication number: CN210863031U
Application number: CN202020017916.9U
Authority: CN
Inventors: 张跃进; 张蔚; 戴秋晨
Original assignee: Yinyi Measuring Instrument Shanghai Co ltd
Current assignee: Yinyi Measuring Instrument Shanghai Co ltd
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-06-26
Anticipated expiration: 2030-01-06

Abstract

The utility model relates to a pressure measurement equipment technical field just discloses an industrial gas pressure measurement device, including pressure sensing system, last fixed mounting of pressure sensing system has display instrument, and the fixed coupling in top of pressure sensing system has the gas balance head, the fixed coupling in bottom of pressure sensing system has surveyed the pipe, the bottom joint of surveying the pipe has the external screw thread cover, the middle part fixed mounting who surveys the pipe inner chamber has the spacing ring, the top of surveying the pipe is equipped with the graduation apparatus, the inner chamber sliding connection who surveys the pipe has lower sealed head. The utility model discloses a thereby set up a screens piece and joint external screw thread cover on surveying buret in the bottom of surveying buret for can utilize external screw thread cover cooperation survey buret to seal up the junction totally, avoid gas leakage to lead to measuring result inaccurate, thereby can connect the detection length of outer extension pipe extension fixture through the external screw thread cover, improve the suitability of device.

Description

Industrial gas pressure measuring device

Technical Field

The utility model relates to a pressure measurement equipment technical field specifically is an industrial gas pressure measurement device.

Background

Gas pressure sensor often can be used in gas pressure's detection, then show through instrument or display screen, thereby reach gaseous pressure, the pressure that gas pressure measurement device was used for detecting gas has been made based on this principle, but current measuring device gas tightness is not fine, thereby it is inaccurate to make measuring result when measuring again, current device can only reference with a standard atmospheric pressure simultaneously, it is more single to make the measurement, can't be according to external atmospheric pressure accuracy control, the practicality of device is relatively poor, for this reason, provide a gas pressure measurement device for industry.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an industrial gas pressure measuring device possesses the gas tightness height, and adjustable reference pressure measures accurate advantage, has solved the problem that above-mentioned background art provided.

The utility model provides a following technical scheme: the utility model provides an industrial gas pressure measuring device, includes pressure sensing system, last fixed mounting of pressure sensing system has display instrument, and the fixed cover in top of pressure sensing system has connect gaseous balance head, the fixed cover in bottom of pressure sensing system has connect survey buret, the bottom joint of surveying buret has the external screw thread cover, the middle part fixed mounting of surveying buret inner chamber has the spacing ring, the top of surveying buret is equipped with the graduation apparatus, the inner chamber sliding connection of surveying buret has lower sealed head, the top fixed mounting of lower sealed head has atmospheric pressure scale post, the fixed cover in top of atmospheric pressure scale post has connect last sealed head, the fixed cover in top of going up sealed head has connect the spliced pole, the top fixed mounting of spliced pole has the pointer.

Carefully selecting, the bottom fixed mounting of survey buret inner chamber has the filter block, and surveys the shape of buret bottom inner chamber and be tubaeform.

Carefully, the outside fixed mounting of survey buret bottom has the screens piece, screens piece activity cover has the external screw thread cover.

Carefully, the inside screw thread of external screw thread cover has cup jointed epitaxial long tube, the middle part of epitaxial long tube is fixed to be cup jointed the stopper, and the inner chamber fixed mounting of epitaxial long tube has the sealing washer.

And carefully selecting, wherein the dial gauge is arranged on a transparent area, and the transparent area is fixedly arranged at the top of the measuring pipe.

Carefully selecting, the both sides of pointer and the minimum scale level of graduation apparatus, be fixed mounting relation between the spliced pole and the atmospheric pressure scale post of pointer bottom.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses a thereby set up a screens piece and joint external screw thread cover on surveying buret in the bottom of surveying buret for can utilize external screw thread cover cooperation survey buret to seal up the junction totally, avoid gas leakage to lead to measuring result inaccurate, thereby can connect the detection length of outer extension pipe extension fixture through the external screw thread cover, improve the suitability of device.

2. The utility model discloses a set up an atmospheric pressure scale post under between sealed head and the last sealed head, thereby when the atmospheric pressure on both sides is inequality, contract earlier at the distance value between sealed head and the last sealed head down, thereby can obtain the numerical value size of pressure, and can obtain external atmospheric pressure size through the scale of observing atmospheric pressure scale post, thereby can adjust the atmospheric pressure in the transparent district through the gas balance head and restore the former state to atmospheric pressure scale post, thereby guaranteed the atmospheric pressure that accords with the external world more of measuring reference pressure, the practicality of device has been improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the structural extension tube of the present invention.

In the figure: 1. a pressure sensing system; 2. a display instrument; 3. a gas balance head; 4. a measurement tube; 5. a filter block; 6. a bit block; 7. an external thread sleeve; 8. a long epitaxial tube; 9. a limiting block; 10. a seal ring; 11. a limiting ring; 12. a transparent region; 13. a dial gauge; 14. a lower sealing head; 15. an air pressure scale column; 16. an upper sealing head; 17. connecting columns; 18. and an indicator needle.

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. 1-2, an industrial gas pressure measuring device comprises a pressure sensing system 1, a display instrument 2 is fixedly installed on the pressure sensing system 1, a gas balance head 3 is fixedly sleeved on the top end of the pressure sensing system 1, a measuring tube 4 is fixedly sleeved on the bottom end of the pressure sensing system 1, a filter block 5 is fixedly installed on the bottom of the inner cavity of the measuring tube 4, the inner cavity of the bottom of the measuring tube 4 is horn-shaped, a filter block 5 is fixedly installed on the bottom of the inner cavity of the measuring tube 4, so that gas to be measured is filtered, particulate matters are prevented from entering the inside of the measuring tube 4 to cause structural damage, the reliability of the device is improved, meanwhile, the inner cavity of the bottom of the measuring tube 4 is horn-shaped, so that the gas is buffered, too large impact is avoided, the safety of the device is improved, a clamping block 6 is fixedly installed on the outer side of the bottom of, the clamping block 6 is movably sleeved with an external thread sleeve 7, the clamping block 6 is fixed outside the measuring tube 4 and used for clamping the external thread sleeve 7, so that the position of the external thread sleeve 7 is limited, the phenomenon that the device cannot be used due to the slippage of the external thread sleeve 7 is avoided, the stability of the device is improved, meanwhile, the air tightness can be ensured by utilizing the external thread sleeve 7, the measuring accuracy is improved, the external thread sleeve 7 is clamped at the bottom of the measuring tube 4, an extension long tube 8 is sleeved on the internal thread of the external thread sleeve 7, a limiting block 9 is fixedly sleeved in the middle of the extension long tube 8, a sealing ring 10 is fixedly installed in the inner cavity of the extension long tube 8, an extension long tube 8 is sleeved in the internal thread of the external thread sleeve 7, the detection length of the device is prolonged, the applicability of the device is improved, meanwhile, a sealing ring 10 is arranged in the inner cavity of the, the feasibility of the device is improved, the limiting ring 11 is fixedly installed in the middle of the inner cavity of the measuring tube 4, the dial gauge 13 is arranged at the top of the measuring tube 4, the dial gauge 13 is arranged on the transparent area 12, the transparent area 12 is fixedly installed at the top of the measuring tube 4, the dial gauge 13 is arranged on the transparent area 12, so that the dial gauge 18 can be matched for indication, the reasonability of the structure is ensured, meanwhile, the dial gauge 13 can be used for assisting in reading, the pressure can be more accurately judged, the practicability of the device is improved, the inner cavity of the measuring tube 4 is in sliding connection with the lower sealing head 14, the top of the lower sealing head 14 is fixedly provided with the air pressure scale column 15, the top of the air pressure scale column 15 is fixedly sleeved with the upper sealing head 16, the top of the upper sealing head 16 is fixedly sleeved with the connecting column 17, the top of the connecting column 17 is fixedly provided with the indicating needle 18, for fixed mounting relation between spliced pole 17 and the atmospheric pressure scale post 15 of pointer 18 bottom, set up the both sides of pointer 18 into with the topmost scale level of graduation apparatus 13 to guaranteed the measuring accuracy, simultaneously with spliced pole 17 and atmospheric pressure scale post 15 fixed mounting of pointer 18 bottom together, thereby make no matter go up sealed head 16 and descend or rise, pointer 18's position is unchangeable, has improved the reliability of device.

The working principle is as follows: during the use, at first, come to obtain external atmospheric pressure size through the scale of observing atmospheric pressure scale post 15, thereby adjust the atmospheric pressure in transparent area 12 according to external atmospheric pressure, then begin to measure, the opening of surveying buret 4 is connected and is needed to carry out measuring position, carry out average reading through the scale that display instrument 2 cooperation graduation apparatus 13 and atmospheric pressure scale post 15, thereby reach accurate pressure value, when needs extend survey buret 4, only need to connect extension long tube 8 in external thread cover 7, can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

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. An industrial gas pressure measuring device, comprising a pressure sensing system (1), characterized in that: a display instrument (2) is fixedly arranged on the pressure sensing system (1), a gas balance head (3) is fixedly sleeved at the top end of the pressure sensing system (1), the bottom end of the pressure sensing system (1) is fixedly sleeved with a measuring tube (4), the bottom of the measuring tube (4) is clamped with an external thread sleeve (7), a limit ring (11) is fixedly arranged in the middle of the inner cavity of the measuring tube (4), a dial gauge (13) is arranged at the top of the measuring tube (4), the inner cavity of the measuring tube (4) is connected with a lower sealing head (14) in a sliding way, the top of the lower sealing head (14) is fixedly provided with an air pressure scale column (15), the top end of the air pressure scale column (15) is fixedly sleeved with an upper sealing head (16), the top of the upper sealing head (16) is fixedly sleeved with a connecting column (17), and the top end of the connecting column (17) is fixedly provided with an indicating needle (18).

2. The industrial gas pressure measuring apparatus according to claim 1, wherein: the bottom fixed mounting who surveys buret (4) inner chamber has filter block (5), and surveys the shape of buret (4) bottom inner chamber and be tubaeform.

3. The industrial gas pressure measuring apparatus according to claim 1, wherein: the outside fixed mounting who surveys buret (4) bottom has screens piece (6), external screw thread cover (7) have been cup jointed in screens piece (6) activity.

4. The industrial gas pressure measuring apparatus according to claim 1, wherein: the inside screw thread of external screw thread cover (7) has cup jointed extension long tube (8), stopper (9) have been cup jointed to the middle part of extension long tube (8) is fixed, and the inner chamber fixed mounting of extension long tube (8) has sealing washer (10).

5. The industrial gas pressure measuring apparatus according to claim 1, wherein: the graduation meter (13) is arranged on the transparent area (12), and the transparent area (12) is fixedly arranged at the top of the measuring pipe (4).

6. The industrial gas pressure measuring apparatus according to claim 1, wherein: the two sides of the indicating needle (18) are horizontal to the lowest scales of the scale (13), and a connecting column (17) at the bottom end of the indicating needle (18) is fixedly mounted with the air pressure scale column (15).