CN209992098U

CN209992098U - Pressure gauge for flow channel pressure detection convenient to carry

Info

Publication number: CN209992098U
Application number: CN201920767803.8U
Authority: CN
Inventors: 方志成; 安江影
Original assignee: Suzhou Sitaidaxin Standard Technology Co Ltd
Current assignee: Suzhou Sitaidaxin Standard Technology Co Ltd
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2020-01-24
Anticipated expiration: 2029-05-27

Abstract

The utility model discloses a portable pressure gauge for detecting runner pressure, which comprises an installation part and a pressure sensor, wherein the upper end of the installation part is provided with the pressure sensor, the installation part is connected with the pressure sensor through a sleeve joint, the upper end of the pressure sensor is provided with a shell, the inner side of the shell is provided with a meter body, the lower end of the inner side of the meter body is provided with a liquid crystal display screen, the lower end of the installation part is provided with a first sealing gasket and a second sealing gasket, when the installation part and a pipeline to be detected are fixed, the first sealing gasket and the second sealing gasket can ensure that the pressure sensor can not work when in installation, the second sealing gasket in the utility model can ensure that a layer of protective gasket is arranged between the installation part and the pipeline to be connected, thus the pressure sensor inside can be prevented from working when being installed vigorously, this can make the detection of the pressure gauge inaccurate.

Description

Pressure gauge for flow channel pressure detection convenient to carry

Technical Field

The utility model belongs to the technical field of the check out test set is relevant, concretely relates to pressure gauge for runner pressure detection convenient to carry.

Background

An instrument for measuring fluid pressure. It is common to compare the measured pressure with some reference pressure, such as atmospheric pressure or other given pressure, and thus measure the relative pressure or pressure difference, and the precision digital pressure gauge is a crystal that my factory has studied and manufactured intelligent digital pressure gauges for many years. The instrument fully adopts the suggestions of experiences accumulated by customers in the actual operation process, and reasonably and flexibly uses microcomputer, integration and laser technologies to ensure the accuracy and long-term stability of the instrument.

The prior pressure gauge technology for pressure detection has the following problems: when the existing pressure gauge for pressure detection is installed, the lower threaded column and a pipeline to be detected are connected too tightly, so that the internal sensor can be influenced to a certain extent, and the sensor can be subjected to the problem of inaccurate detection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pressure gauge for flow channel pressure detection convenient to carry to current pressure gauge for pressure detection who proposes in solving above-mentioned background art may lead to the installation too hard to lead to the sensor to produce the coarse problem of detection when installing.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pressure gauge for runner pressure detection convenient to carry, includes installation department and pressure sensor, the upper end of installation department is provided with pressure sensor, the installation department is connected through cup jointing with pressure sensor, pressure sensor's upper end is provided with the shell, the inboard of shell is provided with the table body, the inboard lower extreme of the table body is provided with liquid crystal display, liquid crystal display's lower extreme is provided with the operating key, operating key and switch electric connection, pressure sensor and switch electric connection.

Preferably, the constitution of installation department is including drawing the pressure hole, first sealed pad, screw thread post, the sealed pad of second and link, the downside of the left end of link is provided with the sealed pad of second, the downside of the sealed left end of pad of second is provided with the screw thread post, the left side lower extreme of screw thread post is provided with first sealed pad, the table side of the left side lower extreme of first sealed pad is provided with draws the pressure hole, the installation department passes through the link and cup joints fixed connection with pressure sensor.

Preferably, pressure sensor's constitution is including wiring end, first fixed column, the sealed pad of third, second fixed column and diaphragm, the lower extreme on the right side of wiring end is provided with first fixed column, the right side lower extreme of first fixed column is provided with the sealed pad of third, the lower extreme on the right side of the sealed pad of third is provided with the second fixed column, the inside of the right-hand member of second fixed column is provided with the diaphragm, pressure sensor passes through wiring end and shell electric connection.

Preferably, the operation key comprises a power key, a switching key, a connecting plate and a returning key, the left side of the meter end of the connecting plate is provided with the power key, the right end of the power key is provided with the switching key, the right end of the switching key is provided with the returning key, and the operation key is connected with the meter body through the connecting plate in a clamping manner.

Preferably, liquid crystal display is the cuboid structure, liquid crystal display's size is eighty millimeters for length, liquid crystal display's height is sixty millimeters, liquid crystal display and switch electric connection.

Preferably, the threaded column is of a cylindrical structure, an external thread groove is formed in the outer side surface end of the threaded column, the height of the threaded column is fifteen millimeters, and the cross section diameter of the threaded column is eight millimeters.

Preferably, the pressure guiding hole is of a hollow annular structure, the length of the pressure guiding hole is five millimeters, the diameter of the cross section of the excircle of the pressure guiding hole is four millimeters, and the diameter of the cross section of the inner circle of the pressure guiding hole is three millimeters.

Preferably, the shell is of a circular structure, the diameter of the cross section of the shell is one hundred zero and one millimeter, the thickness of the shell is sixty-five millimeters, and the shell is made of a stainless steel material with three zero four.

Compared with the prior art, the utility model provides a pressure gauge for runner pressure detection convenient to carry possesses following beneficial effect:

(1) the first sealing gasket and the second sealing gasket are arranged at the lower end of the mounting part, so that when the mounting part is fixed with a pipeline to be detected, the pressure sensor cannot work when the pressure sensor is mounted;

(2) the utility model provides a sealed pad of second can be so that the installation department sets up the one deck protection pad with between the pipeline of treating to be connected, can avoid making inside pressure sensor take place work when installing vigorously like this, can make the detection inaccuracy of this pressure gauge like this to solved current pressure gauge for pressure measurement and probably lead to the installation too hard to lead to the sensor to produce and detect inaccurate problem when installing.

Drawings

FIG. 1 is a schematic structural view of a pressure gauge for testing of the present invention;

FIG. 2 is a schematic view of the structure of the mounting portion of the present invention;

fig. 3 is a schematic structural diagram of the pressure sensor of the present invention;

FIG. 4 is a schematic view of the structure of the operation key of the present invention;

in the figure: 1. an installation part; 11. a pressure guide hole; 12. a first gasket; 13. a threaded post; 14. a second gasket; 15. a connecting end; 2. a pressure sensor; 21. a terminal; 22. a first fixed column; 23. a third gasket; 24. a second fixed column; 25. a membrane; 3. an operation key; 31. a power key; 32. a switch key; 33. a connecting plate; 34. a return key; 4. a liquid crystal display screen; 5. a watch body; 6. a housing.

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: a portable pressure gauge for detecting the pressure of a flow passage comprises an installation part 1 and a pressure sensor 2, wherein the upper end of the installation part 1 is provided with the pressure sensor 2, the installation part 1 is connected with the pressure sensor 2 through a sleeve joint, the upper end of the pressure sensor 2 is provided with a shell 6, the inner side of the shell 6 is provided with a gauge body 5, a power-on key 31 is arranged, thus, under the action of the pressure guide hole 11 in the mounting part 1, the flow in the pipeline to be detected is contacted with the diaphragm 25 in the pressure sensor 2, and through the action of the pressure sensor 2, the pressure of the flow can be detected, and can show the pressure data after detecting at the table end of liquid crystal display 4, the inboard lower extreme of table body 5 is provided with liquid crystal display 4, and the lower extreme of liquid crystal display 4 is provided with operating key 3, and operating key 3 and switch electrical connection, pressure sensor 2 and switch electrical connection.

Further, the constitution of installation department 1 is including drawing pressure hole 11, first sealed pad 12, screw thread post 13, the sealed pad 14 of second and link 15, the downside of the left end of link 15 is provided with the sealed pad 14 of second, the downside of the sealed left end of pad 14 of second is provided with screw thread post 13, under the sealed pad 14 effect of first sealed pad 12 and second, the sealed pad 14 of second can make installation department 1 and the pipeline of treating to be connected between set up one deck protection pad, so can make the detection of this pressure gauge more accurate, the left side lower extreme of screw thread post 13 is provided with first sealed pad 12, the table side of the left side lower extreme of first sealed pad 12 is provided with draws pressure hole 11, installation department 1 passes through link 15 and pressure sensor 2 through cup jointing fixed connection.

Further, pressure sensor 2's constitution is including wiring end 21, first fixed column 22, the sealed pad 23 of third, second fixed column 24 and diaphragm 25, the lower extreme on wiring end 21's right side is provided with first fixed column 22, deformation takes place through the quilt compression of diaphragm 25, thereby can make pressure sensor 2 can be better carry out work, the right side lower extreme of first fixed column 22 is provided with the sealed pad 23 of third, the lower extreme on the right side of the sealed pad 23 of third is provided with second fixed column 24, the inside of the right-hand member of second fixed column 24 is provided with diaphragm 25, pressure sensor 2 passes through wiring end 21 and shell 6 electric connection.

Further, the operation key 3 comprises a power key 31, a switch key 32, a connecting plate 33 and a return key 34, the power key 31 is arranged on the left side of the table end of the connecting plate 33, the power key 31 is arranged, so that the detection equipment can work through the power key 31, the switch key 32 is arranged at the right end of the power key 31, the return key 34 is arranged at the right end of the switch key 32, and the operation key 3 is connected with the table body 5 through the connecting plate 33 in a clamping manner.

Further, liquid crystal display 4 is the cuboid structure, and liquid crystal display 4's size is eighty millimeters for length, widens through the size with liquid crystal display 4, can so that more clear directly perceived of observation, and liquid crystal display 4's height is sixty millimeters, liquid crystal display 4 and switch electric connection.

Further, the screw thread post 13 is the cylinder structure, and the outside table end of screw thread post 13 is provided with the external thread groove, through the setting of external thread groove 13, can be so that screw thread post 13 and the pipeline that waits to detect can be better be connected stable, and the height of screw thread post 13 is fifteen millimeters, and the cross-sectional diameter of screw thread post 13 is eight millimeters.

Further, draw pressure hole 11 to be inside hollow torus structure, the length that draws pressure hole 11 is five millimeters, and the cross-sectional diameter that draws the excircle of pressure hole 11 is four millimeters, through the setting that draws pressure hole 11, can make the water of the inside of the pipeline that waits to detect like this can get into through drawing pressure hole 11, then detect under the effect of diaphragm 25, and the cross-sectional diameter that draws the interior circle of pressure hole 11 is three millimeters.

Further, the housing 6 is of a circular structure, the diameter of the cross section of the housing 6 is one hundred and one millimeter, the thickness of the housing 6 is sixty-five millimeters, and the housing 6 is made of a three-zero-four stainless steel material, and is made of the three-zero-four stainless steel material, so that the firmness of the housing 6 can be improved.

The utility model discloses a theory of operation and use flow: when the flow pressure inside the pipeline is to be detected, the device is firstly taken out, then the device is rotationally connected with the pipeline to be detected through the inner thread groove by the thread column 13 inside the installation part 1, then under the action of the first sealing gasket 12 and the second sealing gasket 14 inside the installation part 1, the second sealing gasket 14 can enable a layer of protective gasket to be arranged between the installation part 1 and the pipeline to be connected, so that the detection of the pressure gauge is more accurate, the model of the pressure sensor 2 is PT124G-650, so that when the installation part 1 is fixed with the pipeline to be detected, the first sealing gasket 12 and the second sealing gasket 14 can enable the pressure sensor 2 not to work when in installation, so that the detection accuracy can be ensured, after the installation is finished, the power key 31 is opened, so that under the action of the pressure guide hole 11 inside the installation part 1, the flow inside the pipeline to be detected is in contact with the diaphragm 25 inside the pressure sensor 2, through the effect of pressure sensor 2, can so make the pressure that detects the flow to can show the pressure data after detecting at the table end of liquid crystal display 4, when needing different units to show, press switch 32 at this moment, the data in liquid crystal display 4 will be changed into different units, the model of liquid crystal display 4 is AOC AG332FCX, close power key 31 at last, just so accomplished the pressure detection of flow.

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 pressure gauge for runner pressure detection convenient to carry, includes installation department (1) and pressure sensor (2), its characterized in that: the upper end of installation department (1) is provided with pressure sensor (2), installation department (1) is connected through cup jointing with pressure sensor (2), the upper end of pressure sensor (2) is provided with shell (6), the inboard of shell (6) is provided with the table body (5), the inboard lower extreme of the table body (5) is provided with liquid crystal display (4), the lower extreme of liquid crystal display (4) is provided with manipulating key (3), manipulating key (3) and switch electric connection, pressure sensor (2) and switch electric connection.

2. A portable pressure gauge for detecting a flow path pressure according to claim 1, wherein: the constitution of installation department (1) is including leading pressure hole (11), first sealed pad (12), screw thread post (13), the sealed pad of second (14) and link (15), the downside of the left end of link (15) is provided with the sealed pad of second (14), the downside of the left end of the sealed pad of second (14) is provided with screw thread post (13), the left side lower extreme of screw thread post (13) is provided with first sealed pad (12), the table side of the left side lower extreme of first sealed pad (12) is provided with and draws pressure hole (11), installation department (1) is through cup jointing fixed connection with pressure sensor (2) link (15).

3. A portable pressure gauge for detecting a flow path pressure according to claim 1, wherein: the pressure sensor (2) is composed of a wiring end (21), a first fixing column (22), a third sealing gasket (23), a second fixing column (24) and a diaphragm (25), the lower end of the right side of the wiring end (21) is provided with the first fixing column (22), the lower end of the right side of the first fixing column (22) is provided with the third sealing gasket (23), the lower end of the right side of the third sealing gasket (23) is provided with the second fixing column (24), the diaphragm (25) is arranged inside the right end of the second fixing column (24), and the pressure sensor (2) is electrically connected with the shell (6) through the wiring end (21).

4. A portable pressure gauge for detecting a flow path pressure according to claim 1, wherein: the constitution of operating key (3) is including power key (31), shift key (32), connecting plate (33) and return key (34), the left side of the table end of connecting plate (33) is provided with power key (31), the right-hand member of power key (31) is provided with shift key (32), the right-hand member of shift key (32) is provided with returns key (34), operating key (3) are connected through the joint through connecting plate (33) and table body (5).

5. A portable pressure gauge for detecting a flow path pressure according to claim 1, wherein: liquid crystal display (4) are the cuboid structure, liquid crystal display (4)'s size is eighty millimeters for length, liquid crystal display (4) highly is sixty millimeters, liquid crystal display (4) and switch electric connection.

6. A portable pressure gauge for detecting a flow path pressure according to claim 2, wherein: the threaded column (13) is of a cylindrical structure, an external thread groove is formed in the outer side surface end of the threaded column (13), the height of the threaded column (13) is fifteen millimeters, and the section diameter of the threaded column (13) is eight millimeters.

7. A portable pressure gauge for detecting a flow path pressure according to claim 2, wherein: the pressure guiding hole (11) is of a hollow annular structure, the length of the pressure guiding hole (11) is five millimeters, the section diameter of the excircle of the pressure guiding hole (11) is four millimeters, and the section diameter of the inner circle of the pressure guiding hole (11) is three millimeters.

8. A portable pressure gauge for detecting a flow path pressure according to claim 1, wherein: the shell (6) is of a circular structure, the diameter of the cross section of the shell (6) is one hundred zero and one millimeter, the thickness of the shell (6) is sixty five millimeters, and the shell (6) is made of a three-zero-four stainless steel material.