CN214174087U

CN214174087U - Special oxygen of medical wrapping bag sees through tester

Info

Publication number: CN214174087U
Application number: CN202022589541.6U
Authority: CN
Inventors: 刘永顺; 张冉; 葛亚洲
Original assignee: Xi'an Chengshun Packaging Material Co ltd
Current assignee: Xi'an Chengshun Packaging Material Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-09-10
Anticipated expiration: 2030-11-11

Abstract

The utility model discloses a special oxygen of medical wrapping bag sees through tester, comprising a base plate, the top outer wall fixedly connected with detection case of bottom plate, and the bottom inner wall of detection case is provided with oxygen concentration detector, the bottom outer wall fixedly connected with collecting box of bottom plate, and the inner wall of collecting box is provided with spacing frame, and the inner wall of spacing frame is provided with the collection board, open one side outer wall of collecting box has and gets the mouth of putting, and gets the inner wall of putting the mouth and rotate through the hinge and be connected with the chamber door, one side outer wall of detection case is provided with the gas tube, the first fan of the opposite side outer wall fixedly connected with of detection case, and the convulsions end of first fan is linked together through exhaust tube and detection case, the end of airing exhaust of first fan is linked together through air duct and collecting box. The utility model discloses can tear the film flat, the test is more accurate, and the result of use is better, can also judge the fungus effect that hinders of film according to the bacterium residual rate on the collection board, and the test has more the flexibility.

Description

Special oxygen of medical wrapping bag sees through tester

Technical Field

The utility model relates to an oxygen transmission rate detects technical field, especially relates to a special oxygen of medical wrapping bag sees through tester.

Background

Oxygen permeability apparatus, also called oxygen permeability tester, film oxygen permeability apparatus, oxygen permeability tester, oxygen permeability apparatus mainly used for oxygen permeability test of plastic film, high barrier material, solar energy backboard, sheet, composite material, aluminized film, co-extrusion film and other films, aluminum foil, sheet material and plastic, rubber, paper, glass, metal and other materials packaging containers.

At present, the existing oxygen permeation instrument can only test for common films, and when the existing oxygen permeation instrument tests for sterile films of medical packaging bags, the oxygen permeation rate of the films can only be detected, but the performance of the films for obstructing bacteria cannot be tested, and certain limitation exists in use, so that the special oxygen permeation tester for the medical packaging bags is urgently needed to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a special oxygen permeation tester for medical packaging bags.

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

a special oxygen permeation tester for medical packaging bags comprises a bottom plate, wherein a detection box is fixedly connected to the outer wall of the top of the bottom plate, an oxygen concentration detector is arranged on the inner wall of the bottom of the detection box, a collection box is fixedly connected to the outer wall of the bottom plate, a limiting frame is arranged on the inner wall of the collection box, a collection plate is arranged on the inner wall of the limiting frame, a taking and placing opening is formed in the outer wall of one side of the collection box, a box door is rotatably connected to the inner wall of the taking and placing opening through a hinge, an inflation pipe is arranged on the outer wall of one side of the detection box, a first fan is fixedly connected to the outer wall of the other side of the detection box, the air suction end of the first fan is communicated with the detection box through an air suction pipe, the air exhaust end of the first fan is communicated with the collection box through an air guide pipe, the collection box is communicated with the detection box through a return pipe, and the outer wall of the top of the bottom plate is fixedly connected with vertical rods near the positions on the two sides, and the top end of the vertical rod is fixedly connected with a top plate, a clamping mechanism is arranged on the vertical rod, the outer wall of the top plate is provided with a sliding hole, the inner wall of the sliding hole is connected with a sliding rod in a sliding manner, the top end of the sliding rod is fixedly connected with a stop block, the bottom end of the sliding rod is fixedly connected with a movable cover, the inner wall of the top of the movable cover is provided with a second fan, the air outlet end of the second fan is provided with an air guide cover, and the outer walls of the two sides of the movable cover are fixedly connected with air inlet cylinders.

As a further aspect of the present invention: the inner wall of the air inlet cylinder is provided with support rods which are distributed annularly at equal intervals, and the top ends of the support rods are provided with culture dishes.

As a further aspect of the present invention: the first fan and the second fan are both connected with a switch through wires, and the switch is connected with a power supply through wires.

As a further aspect of the present invention: fixture includes sliding ring, spring, fixed plate, punch holder and lower plate, the sliding ring slides and sets up in the pole setting outer wall, the spring cup joints in the outer wall of pole setting, and the spring is located between the sliding ring, rotate through the movable rod between fixed plate and the sliding ring and connect, the lower plate is fixed to be set up in one side outer wall of fixed plate, and the top outer wall of lower plate opens threaded hole, and the inner wall threaded connection of threaded hole has the screw rod, the punch holder is fixed to be set up in the top of screw rod, and the outer wall rotation of screw rod is connected with the nut.

As a further aspect of the present invention: the bottom outer wall of the upper clamping plate and the top outer wall of the lower clamping plate are both provided with rubber pads.

As a further aspect of the present invention: the top outer wall of roof is opened there is spacing hole, and the inner wall in spacing hole rotates and is connected with the lead screw, the top fixedly connected with regulating wheel of lead screw, and the bottom fixedly connected with carousel of lead screw, the top outer wall fixedly connected with equidistance of movable cover just is the fixed frame that the annular distributes, and the carousel rotates and sets up in fixed frame.

As a further aspect of the present invention: and a sealing ring is arranged on the outer wall of the top of the detection box.

The utility model has the advantages that:

1. the fixed plate is pulled towards the direction of the detection box through the arranged slip ring, the spring, the movable rod, the upper clamping plate and the lower clamping plate, the slip ring can be enabled to slide on the vertical rod through the movable rod, the spring between the slip ring is compressed, then a film to be tested can be placed between the upper clamping plate and the lower clamping plate, a nut on the screw rod is screwed, the film can be clamped through the clamping plate, then the fixed plate is loosened, due to the elastic force of the spring, the fixed plate generates outward pulling force, the film can be pulled flat, the test is more accurate, and the using effect is better;

2. through the movable cover, the detection box, the wind scooper, the collection box and the oxygen concentration detector, the slide bar is controlled, the movable cover can move downwards, the film between the movable cover and the detection box is clamped, then nitrogen can be filled into the detection box through the inflation tube, the first fan and the second fan are driven to work simultaneously, outside air can be pumped into the movable cover through the air inlet tube and blown to the film through the wind scooper, meanwhile, the nitrogen in the detection box can continuously circulate between the collection box and the detection box, the oxygen concentration in the detection box is detected through the oxygen concentration detector, the oxygen permeability of the film can be obtained, the support rod in the air inlet tube can support a culture dish filled with bacteria, the bacteria can be blown to the film together, if the bacteria pass through the film, the bacteria can be remained on the collection plate on the limit frame, the bacteria blocking effect of the film can be judged according to the bacteria residual rate on the collection plate, the test is more flexible;

3. through the fixed frame that sets up, carousel, lead screw, regulating wheel and sealing washer, rotate the regulating wheel and can drive the lead screw and rotate, the lead screw drives the carousel and rotates, and the carousel can drive the movable cover at the fixed frame internal rotation that the activity was covered and move down for the movable cover supports on the detection case, and the sealing washer that just is located between movable cover and the detection case can guarantee the leakproofness of detection case, effectively improves the accuracy that detects, and the result of use is better.

Drawings

Fig. 1 is a schematic cross-sectional structural view of an oxygen permeation tester specifically for use in a medical packaging bag according to example 1;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

fig. 4 is a schematic structural view of a detection box of the oxygen permeation tester special for the medical packaging bag in embodiment 1;

fig. 5 is a schematic view of the overall structure of the oxygen permeation tester specifically for use in medical packaging bags according to embodiment 2.

In the figure: the device comprises a base plate 1, a return pipe 2, a collection box 3, a collection plate 4, a limit frame 5, an air guide pipe 6, a first fan 7, an air exhaust pipe 8, a detection box 9, a vertical rod 10, a top plate 11, a sliding rod 12, a movable cover 13, a stop block 14, a second fan 15, an air guide cover 16, a sliding ring 17, a spring 18, an inflation pipe 19, an oxygen concentration detector 20, a movable rod 21, a fixed plate 22, a lower clamping plate 23, a screw rod 24, an upper clamping plate 25, a rubber pad 26, an air inlet cylinder 27, a supporting rod 28, a culture dish 29, a box door 30, a fixed frame 31, a screw rod 32, an adjusting wheel 33, a rotating disk 34 and a sealing ring 35.

Detailed Description

The technical solution of the present patent will be described in further 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 exemplary 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.

Example 1

Referring to fig. 1-4, a special oxygen permeation tester for medical packaging bags comprises a bottom plate 1, a detection box 9 is fixedly connected to the outer wall of the top of the bottom plate 1, an oxygen concentration detector 20 is arranged on the inner wall of the bottom of the detection box 9, a collection box 3 is fixedly connected to the outer wall of the bottom plate 1, a limit frame 5 is arranged on the inner wall of the collection box 3, a collection plate 4 is arranged on the inner wall of the limit frame 5, a taking and placing opening is formed in the outer wall of one side of the collection box 3, a box door 30 is rotatably connected to the inner wall of the taking and placing opening through a hinge, an inflation tube 19 is arranged on the outer wall of one side of the detection box 9, a first fan 7 is fixedly connected to the outer wall of the other side of the detection box 9, the air exhaust end of the first fan 7 is communicated with the detection box 9 through an exhaust tube 8, the position fixedly connected with pole setting 10 that bottom plate 1 top outer wall is close to both sides, and the top fixedly connected with roof 11 of pole setting 10, be provided with fixture on the pole setting 10, the top outer wall of roof 11 is opened there is the slide opening, and the inner wall sliding connection of slide opening has slide bar 12, the top fixedly connected with dog 14 of slide bar 12, and the bottom fixedly connected with movable cover 13 of slide bar 12, the top inner wall of movable cover 13 is provided with second fan 15, and the air-out end of second fan 15 is provided with wind scooper 16, the both sides outer wall fixedly connected with admission cylinder 27 of movable cover 13.

The inner wall of the air inlet cylinder 27 is provided with support rods 28 which are distributed in an annular shape at equal intervals, and the top ends of the support rods 28 are provided with culture dishes 29.

The first fan 7 and the second fan 15 are both connected with a switch through wires, and the switch is connected with a power supply through wires.

Fixture includes the sliding ring 17, spring 18, fixed plate 22, punch holder 25 and lower plate 23, the sliding ring 17 slides and sets up in the 10 outer walls of pole setting, spring 18 cup joints in the outer wall of pole setting 10, and spring 18 is located between the sliding ring 17, rotate through movable rod 21 between fixed plate 22 and the sliding ring 17 and connect, lower plate 23 is fixed to be set up in one side outer wall of fixed plate 22, and the top outer wall of lower plate 23 opens threaded hole, the inner wall threaded connection of threaded hole has screw rod 24, punch holder 25 is fixed to be set up in the top of screw rod 24, and the outer wall rotation of screw rod 24 is connected with the nut.

The bottom outer wall of punch holder 25 and the top outer wall of lower plate 23 all are provided with rubber pad 26, can increase and the film between frictional force for the centre gripping is more stable.

The working principle is as follows: when the device is used, the fixed plate 22 is pulled towards the detection box 9, the sliding ring 17 can be promoted to slide on the vertical rod 10 through the movable rod 21, the spring 18 between the sliding rings 17 is compressed, then a film to be tested can be placed between the upper clamping plate 25 and the lower clamping plate 23, the screw cap on the screw rod 24 is screwed, the film can be clamped through the clamping plates, then the fixed plate 22 is loosened, due to the elastic force of the spring 18, the fixed plate 22 generates an outward pulling force, the film can be pulled flat, the test is more accurate, the using effect is better, the sliding rod 12 is controlled, the movable cover 13 can move downwards, the film between the movable cover 13 and the detection box 9 is clamped, then nitrogen can be filled into the detection box 9 through the inflation pipe 19, the first fan 7 and the second fan 15 are driven to work at the same time, outside air can be pumped into the movable cover 13 through the air inlet pipe 27 and then blown to the film through the air guide cover 16, meanwhile, nitrogen in the detection box 9 can continuously circulate between the collection box 3 and the detection box 9, the oxygen concentration in the detection box 9 is detected through the oxygen concentration detector 20, the oxygen permeation rate of the film can be obtained, the support rod 28 positioned in the air inlet cylinder 27 can support the culture dish 29 with bacteria, so that the bacteria can be blown to the film together, if the bacteria pass through the film, the bacteria can be remained on the collection plate 4 on the limiting frame 5, the bacteria blocking effect of the film can be judged according to the bacteria residual rate on the collection plate 4, and the test has more flexibility.

Example 2

Referring to fig. 5, a special oxygen of medical wrapping bag sees through tester, this embodiment compares in embodiment 1, and the top outer wall that still includes roof 11 is opened there is spacing hole, and the inner wall in spacing hole rotates and is connected with lead screw 32, the top fixedly connected with regulating wheel 33 of lead screw 32, and the bottom fixedly connected with carousel 34 of lead screw 32, the top outer wall fixedly connected with equidistance of movable cover 13 just is the fixed frame 31 that the annular distributes, and carousel 34 rotates and sets up in fixed frame 31.

And a sealing ring 35 is arranged on the outer wall of the top of the detection box 9.

The working principle is as follows: during the use, rotate regulating wheel 33 and can drive lead screw 32 and rotate, lead screw 32 drives carousel 34 and rotates, and carousel 34 is at the fixed frame 31 internal rotation on movable cover 13, can drive movable cover 13 and move down for movable cover 13 supports on detection case 9, and is located the sealing washer 35 between movable cover 13 and the detection case 9 and can guarantee the leakproofness of detection case 9, effectively improves the accuracy that detects, and the result of use is better.

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 special oxygen permeation tester for the medical packaging bag comprises a bottom plate (1) and is characterized in that a detection box (9) is fixedly connected to the outer wall of the top of the bottom plate (1), an oxygen concentration detector (20) is arranged on the inner wall of the bottom of the detection box (9), a collection box (3) is fixedly connected to the outer wall of the bottom plate (1), a limit frame (5) is arranged on the inner wall of the collection box (3), a collection plate (4) is arranged on the inner wall of the limit frame (5), a taking and placing opening is formed in the outer wall of one side of the collection box (3), a box door (30) is rotatably connected to the inner wall of the taking and placing opening through a hinge, an inflation pipe (19) is arranged on the outer wall of one side of the detection box (9), a first fan (7) is fixedly connected to the outer wall of the other side of the detection box (9), and the air draft end of the first fan (7) is communicated with the detection box (9) through an air draft pipe (8), the air exhaust end of the first fan (7) is communicated with the collecting box (3) through an air duct (6), the collecting box (3) is communicated with the detection box (9) through a return pipe (2), the positions of the outer wall of the top of the bottom plate (1) close to the two sides are fixedly connected with upright posts (10), the top end of the upright rod (10) is fixedly connected with a top plate (11), the upright rod (10) is provided with a clamping mechanism, the outer wall of the top part of the top plate (11) is provided with a sliding hole, the inner wall of the sliding hole is connected with a sliding rod (12) in a sliding way, the top end of the sliding rod (12) is fixedly connected with a stop block (14), and the bottom end of the sliding rod (12) is fixedly connected with a movable cover (13), the inner wall of the top part of the movable cover (13) is provided with a second fan (15), and the air outlet end of the second fan (15) is provided with an air guide cover (16), and the outer walls of the two sides of the movable cover (13) are fixedly connected with an air inlet cylinder (27).

2. The oxygen permeation tester special for the medical packaging bag according to claim 1, wherein the inner wall of the air inlet cylinder (27) is provided with support rods (28) which are distributed in an annular shape at equal intervals, and a culture dish (29) is placed at the top end of each support rod (28).

3. The special oxygen permeation tester for the medical packaging bag according to claim 1, wherein the first fan (7) and the second fan (15) are both connected with a switch through a wire, and the switch is connected with a power supply through a wire.

4. The oxygen permeation tester special for medical packaging bags according to claim 1, wherein, the clamping mechanism comprises a slip ring (17), a spring (18), a fixed plate (22), an upper clamping plate (25) and a lower clamping plate (23), the slip ring (17) is arranged on the outer wall of the vertical rod (10) in a sliding manner, the spring (18) is sleeved on the outer wall of the vertical rod (10), and the spring (18) is positioned between the slip rings (17), the fixed plate (22) and the slip rings (17) are rotationally connected through a movable rod (21), the lower clamping plate (23) is fixedly arranged on the outer wall of one side of the fixing plate (22), the outer wall of the top of the lower clamping plate (23) is provided with a threaded hole, the inner wall of the threaded hole is connected with a screw rod (24) in a threaded way, the upper clamping plate (25) is fixedly arranged at the top end of the screw rod (24), and the outer wall of the screw rod (24) is rotatably connected with a screw cap.

5. The oxygen permeation tester for the medical packaging bag as claimed in claim 4, wherein the outer wall of the bottom of the upper clamping plate (25) and the outer wall of the top of the lower clamping plate (23) are both provided with rubber pads (26).

6. The special oxygen permeation tester for the medical packaging bag according to claim 1, wherein a limiting hole is formed in the outer wall of the top plate (11), a lead screw (32) is connected to the inner wall of the limiting hole in a rotating mode, an adjusting wheel (33) is fixedly connected to the top end of the lead screw (32), a rotary disc (34) is fixedly connected to the bottom end of the lead screw (32), a fixed frame (31) which is distributed annularly and equidistantly is fixedly connected to the outer wall of the top of the movable cover (13), and the rotary disc (34) is rotatably arranged in the fixed frame (31).

7. The oxygen permeation tester special for the medical packaging bag according to claim 1, wherein a sealing ring (35) is arranged on the outer wall of the top of the detection box (9).