CN218584013U

CN218584013U - Aperture tester

Info

Publication number: CN218584013U
Application number: CN202222977379.4U
Authority: CN
Inventors: 叶寅; 蔡锡明; 王衡东
Original assignee: Shanghai Shilong Science & Technology Co ltd
Current assignee: Shanghai Shilong Science & Technology Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-03-07
Anticipated expiration: 2032-11-09

Abstract

The utility model discloses an aperture determination appearance relates to apparatus technical field, the load simulator comprises a case, the cross-section of machine case is L type structure, the bottom inner wall of machine case is provided with the gas holder, the top of machine case has been seted up and has been placed the mouth, the inner wall of placing the mouth is provided with the sample cell, the inside that the machine case is located the gas holder top is provided with rotameter, the inside that the gas holder is close to rotameter one side is provided with digital pressure gauge, two business turn over gas pockets, one of them have been seted up respectively to the outer wall of gas holder business turn over gas pocket is connected with the second three-way pipe through the trachea, the second three-way pipe is connected with rotameter and third pneumatic valve respectively, the bottom of sample cell is connected with first three-way pipe through the trachea, first three-way pipe is connected with digital pressure gauge and rotameter respectively through the trachea, be connected with the second pneumatic valve between first three-way pipe and the rotameter. The utility model is simple in operation, the survey efficiency in aperture has been improved.

Description

Aperture tester

Technical Field

The utility model relates to a determinator technical field especially relates to aperture determinator.

Background

The diaphragm is a film made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins, is used for packaging and is used as a film coating layer, plastic packaging and plastic packaging products account for more and more in the market, particularly composite plastic flexible packaging, is widely applied to the fields of food, medicine, chemical industry and the like, wherein the food packaging accounts for the largest proportion, such as beverage packaging, quick-frozen food packaging, steamed food packaging, fast food packaging and the like, and the products bring great convenience to the life of people.

In the process of diaphragm production, in order to examine the space of diaphragm, often need to utilize aperture meter, current aperture meter generally the operation is troublesome, and the process is more loaded down with trivial details, influences the survey efficiency of aperture, therefore has the space of waiting to improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an aperture measuring instrument. Its advantages are simple operation and high aperture measuring efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the aperture measuring instrument comprises a case, wherein the cross section of the case is of an L-shaped structure, a gas storage tank is arranged on the inner wall of the bottom of the case, a placing opening is formed in the top of the case, a sample tank is arranged on the inner wall of the placing opening, a rotameter is arranged inside the case above the gas storage tank, a digital pressure gauge is arranged inside one side, close to the rotameter, of the gas storage tank, two gas inlet and outlet holes are formed in the outer wall of the gas storage tank respectively, one of the gas inlet and outlet holes is connected with a second three-way pipe through a gas pipe, the second three-way pipe is connected with the rotameter and a third gas valve respectively, the bottom end of the sample tank is connected with a first three-way pipe through a gas pipe, the first three-way pipe is connected with the digital pressure gauge and the rotameter through a gas pipe respectively, a second gas valve is connected between the first three-way pipe and the rotameter, the other gas inlet and outlet hole is connected with a U-shaped glass pipe through the first gas valve, a measuring scale is arranged in the middle of the U-shaped glass pipe, and an adjusting valve is arranged on the outer wall of the rotameter.

Through the technical scheme: during the use, put the diaphragm sample that will carry out the detection in the sample cell, cover the lid and screw up, pour into alcohol and let the sample fully soak, adjust rotor flow meter's governing valve, record U-shaped pipe reading when observing the first bubble of sample membrane and last bubble, calculate the aperture of diaphragm according to formula 900 ÷ (reading that U-shaped pipe is big-reading that U-shaped pipe is little), easy operation has improved the survey efficiency in aperture.

The utility model discloses further set up to, the bottom outer wall of sample cell is seted up threadedly, and the sample cell passes through threaded connection and places the mouth. The stability of placing of sample cell has been improved in the setting of screw thread on the one hand, and on the other hand is convenient to be dismantled the sample cell and get off and clean.

The utility model discloses further set up to, the material of sample cell is brass. The sample cell made of brass has good corrosion resistance, and the service life of the sample cell is prolonged.

The utility model discloses further set up to, there is sealed lid the inner wall of sample cell through threaded connection, and is provided with the packing ring between sealed lid and the sample cell bore. Due to the arrangement of the gasket, the sealing performance of the sample cell can be improved, and the accuracy of a measuring result is improved.

The utility model discloses further set up to, be provided with the baffle between digital pressure gauge and the gas holder, and the baffle is installed on the inner wall of quick-witted case. The setting of baffle can part manometer and gas holder, conveniently overhauls the instrument.

The utility model discloses further set up to, the inside cross-section of sample cell is the isosceles trapezoid structure. The sample pool with the isosceles trapezoid-shaped cross section is wide at the top and narrow at the bottom, so that the sample can be conveniently and quickly soaked by alcohol.

The utility model has the advantages that: this aperture apparatus puts the diaphragm sample that will carry out the detection in the sample cell, covers the lid and screws up, pours into alcohol and lets the sample fully soak, adjusts rotameter's governing valve, records the U-shaped pipe reading when observing the first bubble of sample membrane and last bubble, calculates the aperture of diaphragm according to formula 900 ÷ (the reading that U-shaped pipe is big-the reading that U-shaped pipe is little), and easy operation has improved the survey efficiency in aperture.

Drawings

Fig. 1 is a schematic view of the overall structure of the aperture measuring instrument according to the present invention;

fig. 2 is a schematic cross-sectional structure diagram of the aperture measuring instrument provided by the present invention;

fig. 3 is a schematic view of the structure of the aperture measuring instrument according to the present invention.

In the figure: 1. a gas storage tank; 2. a first three-way pipe; 3. a sample cell; 4. air inlet and outlet; 5. a partition plate; 6. a rotameter; 7. a chassis; 8. an air pipe; 9. a digital pressure gauge; 10. a U-shaped glass tube; 11. an air valve; 12. measuring a scale; 13. and adjusting the valve.

Detailed Description

The technical solution of the present patent will be further described in detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-3, the aperture measuring instrument comprises a case 7, the cross section of the case 7 is of an L-shaped structure, the inner wall of the bottom of the case 7 is provided with a gas storage tank 1, the top of the case 7 is provided with a placing port, the inner wall of the placing port is provided with a sample tank 3, a rotameter 6 is arranged in the case 7 above the gas storage tank 1, a digital pressure gauge 9 is arranged in the gas storage tank 1 near one side of the rotameter 6, the outer wall of the gas storage tank 1 is respectively provided with two gas inlet and outlet holes 4, one of the gas inlet and outlet holes 4 is connected with a second three-way pipe 8 through a gas pipe, the second three-way pipe 8 is respectively connected with the rotameter 6 and a third gas valve, the bottom end of the sample tank 3 is connected with a first three-way pipe 2 through a gas pipe, the first three-way pipe 2 is respectively connected with the digital pressure gauge 9 and the rotameter 6 through a gas pipe, a second gas valve is connected between the first three-way pipe 2 and the rotameter 6, the other gas inlet and outlet hole 4 is connected with a U-shaped glass pipe 10 through a first gas valve 11, a measuring scale 12 is arranged in the middle of the U-shaped glass pipe 10, and an adjusting valve 13 is arranged on the outer wall of the rotameter 6.

Specifically, the outer wall of the bottom end of the sample cell 3 is provided with threads, and the sample cell 3 is connected with the placing port through the threads. The stability of placing of sample cell 3 has been improved in the setting of screw thread on the one hand, and on the other hand is convenient to be dismantled sample cell 3 and get off and clean.

Specifically, the sample cell 3 is made of brass. The sample cell 3 made of brass has good corrosion resistance, and the service life of the sample cell 3 is prolonged.

Specifically, the inner wall of the sample cell 3 is connected with a sealing cover through threads, and a gasket is arranged between the sealing cover and the caliber of the sample cell 3. Due to the arrangement of the gasket, the sealing performance of the sample cell 3 can be improved, and the accuracy of a measuring result is improved.

Specifically, a partition plate 5 is arranged between the digital pressure gauge 9 and the gas storage tank 1, and the partition plate 5 is installed on the inner wall of the case 7. The setting of baffle 5 can part manometer and gas holder 1, conveniently overhauls the instrument.

Specifically, the internal cross section of the sample cell 3 is in an isosceles trapezoid structure. The sample pool 3 with the isosceles trapezoid-shaped cross section is wide at the top and narrow at the bottom, so that the sample can be conveniently and quickly soaked by alcohol.

The working principle is as follows: during the use, put the diaphragm sample that will carry out the detection in sample cell 3, cover the lid and screw up, pour into alcohol and let the sample fully soak, adjust rotor flow meter 6's governing valve 13, record U-shaped pipe reading when observing the first bubble of sample membrane and last bubble, according to the formula 900 ÷ (reading that U-shaped pipe is big-reading that U-shaped pipe is little) calculate the aperture of diaphragm, easy operation has improved the survey efficiency in aperture.

The above, only be the embodiment of the preferred 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, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The aperture measuring instrument comprises a case (7) and is characterized in that the cross section of the case (7) is of an L-shaped structure, a gas storage tank (1) is arranged on the inner wall of the bottom of the case (7), a placing opening is formed in the top of the case (7), a sample pool (3) is arranged on the inner wall of the placing opening, a rotor flow meter (6) is arranged inside the case (7) above the gas storage tank (1), a digital pressure gauge (9) is arranged inside one side, close to the rotor flow meter (6), of the gas storage tank (1), two gas inlet and outlet holes (4) are formed in the outer wall of the gas storage tank (1), one of the gas inlet and outlet holes (4) is connected with a second three-way pipe (8) through a gas pipe, the second three-way pipe (8) is connected with the rotor flow meter (6) and a third gas valve respectively, the bottom end of the sample pool (3) is connected with a first three-way pipe (2) through a gas pipe, the first three-way pipe (2) is connected with the rotor flow meter (6) through a gas pipe (9) and a gas inlet and outlet pipe (10) respectively, a glass tube (10) is arranged between the first three-way pipe (2) and the rotor flow meter (6), and the outer wall of the rotor flowmeter (6) is provided with a regulating valve (13).

2. The aperture measuring instrument according to claim 1, characterized in that the outer wall of the bottom end of the sample cell (3) is threaded, and the sample cell (3) is connected to the placing port through threads.

3. The aperture gauge according to claim 2, characterized in that the sample cell (3) is made of brass.

4. The aperture gauge according to claim 3, characterized in that the inner wall of the sample cell (3) is connected with a sealing cover through screw threads, and a gasket is arranged between the sealing cover and the aperture of the sample cell (3).

5. The aperture gauge according to claim 1, characterized in that a partition plate (5) is arranged between the digital pressure gauge (9) and the gas storage tank (1), and the partition plate (5) is mounted on the inner wall of the cabinet (7).

6. Aperture gauge according to claim 4, characterized in that the internal cross-section of the cuvette (3) is in the form of an isosceles trapezoid.