CN210625982U - Food package gas tightness detection mechanism - Google Patents
Food package gas tightness detection mechanism Download PDFInfo
- Publication number
- CN210625982U CN210625982U CN201921972754.8U CN201921972754U CN210625982U CN 210625982 U CN210625982 U CN 210625982U CN 201921972754 U CN201921972754 U CN 201921972754U CN 210625982 U CN210625982 U CN 210625982U
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- Prior art keywords
- transparent
- food package
- detection mechanism
- bucket
- barrel
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- 235000013305 food Nutrition 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000011148 porous material Substances 0.000 claims abstract description 23
- 239000004519 grease Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 238000000605 extraction Methods 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 235000021539 instant coffee Nutrition 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model provides a food package air tightness detection mechanism, which comprises a transparent bucket; a barrel cover is arranged on the transparent water barrel in a sealing manner through a sealing washer and sealing grease; the barrel cover is connected with a vacuum sealing performance tester through an exhaust pipe; a limiting ring is fixedly arranged at the middle position in the transparent bucket; a pore plate is detachably fixed above the limiting ring; the edge of the pore plate is uniformly provided with L-shaped elastic sheets; the inner side of the transparent bucket is provided with a clamping groove, and the L-shaped elastic sheet is connected with the clamping groove in a matching manner. Food package gas tightness detection mechanism, simple structure facilitates the use negative pressure method and detects food package's gas tightness.
Description
Technical Field
The utility model belongs to the technical field of the quality testing equipment, especially, relate to a food package gas tightness detection mechanism.
Background
The finished solid powdery food such as instant coffee, milk powder and the like can be sold only after being packaged and sealed, and the intact packaging tightness is favorable for ensuring the product quality and prolonging the shelf life. It is often found that the quality, taste and other problems of food during storage are often caused by the insufficient tightness of the food package.
It is common today to use a leak tester to check whether the seal of the package is intact. The tightness tester comprises a positive pressure method test and a negative pressure method test, wherein the negative pressure method tester adopts the test principle that a vacuum chamber is vacuumized, so that a sample immersed in water generates internal and external pressure difference, and the shape recovery condition of the sample after the sample expands and releases vacuum is observed, so that the tightness of the sample is judged.
In the prior art, the sealing detection procedure is very complex, and the detection result is inaccurate, so that a food packaging airtightness detection mechanism which is simple in structure, convenient to operate and accurate in detection needs to be researched.
Disclosure of Invention
In view of this, the utility model aims at providing a food package gas tightness detection mechanism to conveniently use the negative pressure method to detect food package's gas tightness.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a food package air tightness detection mechanism comprises a transparent bucket; a barrel cover is arranged on the transparent water barrel in a sealing manner through a sealing washer and sealing grease; the barrel cover is connected with a vacuum sealing performance tester through an exhaust pipe; a limiting ring is fixedly arranged at the middle position in the transparent bucket; a pore plate is detachably fixed above the limiting ring; the edge of the pore plate is uniformly provided with L-shaped elastic sheets; the inner side of the transparent bucket is provided with a clamping groove, and the L-shaped elastic sheet is connected with the clamping groove in a matching manner.
Furthermore, the upper part of the transparent bucket is provided with a convex edge, and the position of the convex edge is slightly lower than the upper edge of the transparent bucket; a sealing washer is arranged on the convex edge; the sealing washer is just sleeved on the transparent bucket; the barrel cover is pressed on the sealing gasket, and sealing grease is coated in the area between the barrel cover and the upper edge of the transparent water barrel.
Furthermore, one end of the exhaust pipe is fixed with the barrel cover through a first locking nut, and the other end of the exhaust pipe is fixed with the vacuum sealing performance tester through a second locking nut.
Furthermore, a plurality of through holes are uniformly formed in the pore plate.
Furthermore, the upper end face of the pore plate is fixedly connected with a lifting plate, so that an operator can conveniently take the pore plate out of the transparent water barrel.
Further, one side of the transparent bucket is connected with a water level gauge which is vertically arranged; the water level can be judged through the water level gauge, and the water level is prevented from being too high to cause the water to be pumped into the vacuum sealing performance tester.
Further, an air exhaust knob, a pressure gauge, a power switch, an air exhaust switch, a timing switch and a timer digital display screen are arranged on the vacuum sealing performance tester; will through current circuit bleed knob, gassing knob, manometer, switch, bleed switch, time switch, timer digital display screen electricity link can realize obtaining the numerical value of reading of vacuum to the inside evacuation of transparent cask and through the manometer.
Compared with the prior art, food package gas tightness detection mechanism have following advantage:
(1) the food packaging air tightness detection mechanism of the utility model presses the sample into water through the pore plate, so that the sample can be prevented from moving upwards due to the buoyancy of water; the orifice plate can be fixed by matching the orifice plate, the limiting ring, the L-shaped elastic sheet and the clamping groove; through the synergistic effect of the sealing washer and the grease, the sealing effect between the barrel cover and the transparent water barrel is good, and the vacuumizing efficiency is improved;
(2) the utility model is fixedly connected with a lifting plate on the upper end surface of the pore plate, which is convenient for operators to take out the pore plate from the transparent bucket;
(3) the utility model discloses be connected with the water level gauge on the transparent cask, can prevent that the water level is too high and lead to water to take out vacuum seal performance tester and harm the instrument and equipment in the transparent cask.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a general schematic view of the food package airtightness detection mechanism according to the present invention;
fig. 2 is a schematic view of the transparent bucket in a front view;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
fig. 4 is a top view of the transparent bucket with the cover removed.
Description of reference numerals:
1-a transparent bucket; 11-a spacing ring; 12-a flange; 13-a card slot; 2-barrel cover; 21-a handle; 3-sealing a gasket; 4-an air exhaust pipe; 41-a first locking nut; 42-a second lock nut; 5-vacuum sealing performance tester; 51-suction knob; 52-deflation knob; 53-pressure gauge; 54-power switch; 55-air extraction switch; 56-a timing switch; 57-timer digital display screen; 6-water level ruler; 7-pore plate; 71-a through hole; 72-L-shaped elastic sheet; 73-lifting plate.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1-4, a food package airtightness detection mechanism includes a transparent water bucket 1; a barrel cover 2 is arranged on the transparent water barrel 1 in a sealing manner through a sealing washer 3 and sealing grease; the barrel cover 2 is connected with a vacuum sealing performance tester 5 through an exhaust pipe 4; a limiting ring 11 is fixedly arranged at the middle position in the transparent water barrel 1; the pore plate 7 is detachably fixed above the limiting ring 11; the edges of the pore plate 7 are uniformly distributed with L-shaped elastic sheets 72; a clamping groove 13 is formed in the inner side of the transparent water barrel, and the L-shaped elastic sheet 72 is connected with the clamping groove 13 in a matched mode;
the upper part of the transparent bucket 1 is provided with a convex edge 12, and the position of the convex edge 12 is slightly lower than the upper edge of the transparent bucket; the convex edge 12 is provided with a sealing washer 3; the sealing washer 3 is just sleeved on the transparent bucket 1; the barrel cover 2 is pressed on the sealing washer 3, and sealing grease is coated in the area between the barrel cover 2 and the upper edge of the transparent water barrel 1;
one end of the exhaust tube 4 is fixed with the barrel cover 2 through a first locking nut 41, and the other end of the exhaust tube 4 is fixed with the vacuum sealing performance tester 5 through a second locking nut 42;
a plurality of through holes 71 are uniformly formed in the pore plate 7;
the upper end surface of the pore plate 7 is fixedly connected with a lifting plate 73, so that an operator can conveniently take the pore plate 7 out of the transparent water barrel 1;
one side of the transparent water barrel 1 is connected with a water level gauge 6 which is vertically arranged; the water level of the transparent bucket can be judged through the water level ruler 6, and the situation that water is pumped into the vacuum sealing performance tester 5 due to overhigh water level is prevented.
The preferred model of the vacuum sealing performance tester 5 is MFY-01, the measurement range is-0.9-0 bar (1bar is 0.1Mpa), and the measurement precision is 0.01 bar.
The vacuum sealing performance tester 5 is provided with an air suction knob 51, an air discharge knob 52, a pressure gauge 53, a power switch 54, an air suction switch 55, a timing switch 56 and a timer digital display screen 57; the air suction knob 51, the air discharge knob 52, the pressure gauge 53, the power switch 54, the air suction switch 55, the timing switch 56 and the timer digital display screen 57 are electrically connected through the existing circuit, so that the vacuum-pumping inside the transparent water bucket 1 can be realized, and the reading value of the vacuum degree can be obtained through the pressure gauge 53.
The principle of the utility model is as follows: before the detection is started, clear water is injected into the transparent bucket 1 until the liquid level is higher than the limiting ring 11, a sample is placed into the water, and the sample is pressed into the liquid level through the pore plate 7; the pore plate 7 is placed on the limiting ring 11, and the L-shaped elastic sheet 72 is matched with the clamping groove 13, so that the pore plate 7 is fixed in the transparent water barrel 1; placing a sealing washer 3 on the convex edge 12, tightly sleeving the sealing washer 3 on the transparent water bucket 1, coating sealing grease on the convex edge 12 and the sealing washer 3, covering the bucket cover 2 on the transparent water bucket 1, pressing the sealing washer 3 by the bucket cover 2, and filling a gap between the bucket cover 2 and the transparent water bucket 1 with the sealing grease, so that a sealed environment is formed in the transparent water bucket; screwing the first locking nut 41 and the second locking nut 42, starting a power supply of the vacuum sealing performance tester 5, opening the air extraction switch 55 and rotating the air extraction knob 51, vacuumizing the transparent water bucket 1, turning the air extraction knob 51 back to the original position after the reading of the pressure gauge 53 reaches the required vacuum degree, stopping vacuumizing, opening the timing switch 56, judging the maintaining time of the static vacuum degree in the transparent water bucket 1 according to the reading of the timer digital display screen 57, if the pressure maintaining time is normal, the sealing performance of the sample is good, and if the pressure maintaining time is too short, the sealing performance of the sample is poor; the state of the sample in water was observed at the same time, and it was found that the sample had good sealing properties when no bubble was generated in water, and that the sample had poor sealing properties when bubbles were generated in water. The sample tightness can be better judged by combining visual observation and the timing of the pressure holding time.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a food package gas tightness detection mechanism which characterized in that: comprises a transparent bucket (1); a barrel cover (2) is hermetically arranged on the transparent water barrel (1); the barrel cover (2) is connected with a vacuum sealing performance tester (5) through an exhaust pipe (4); a limiting ring (11) is fixedly arranged at the middle position in the transparent water barrel (1); a pore plate (7) is detachably fixed above the limiting ring (11); the edges of the pore plate (7) are uniformly distributed with L-shaped elastic sheets (72); a clamping groove (13) is formed in the inner side of the transparent water barrel, and an L-shaped elastic sheet (72) is connected with the clamping groove (13) in a matched mode.
2. The food package airtightness detection mechanism according to claim 1, wherein: the upper part of the transparent bucket (1) is provided with a convex edge (12), and the position of the convex edge (12) is slightly lower than the upper edge of the transparent bucket (1); a sealing washer (3) is arranged on the convex edge (12); the sealing washer (3) is just sleeved on the transparent bucket (1); the barrel cover (2) is pressed on the sealing washer (3), and sealing grease is coated in the area between the barrel cover (2) and the upper edge of the transparent water barrel (1).
3. The food package airtightness detection mechanism according to claim 1, wherein: one end of the exhaust tube (4) is fixed with the barrel cover (2) through a first locking nut (41), and the other end of the exhaust tube (4) is fixed with the vacuum sealing performance tester (5) through a second locking nut (42).
4. The food package airtightness detection mechanism according to claim 1, wherein: the pore plate (7) is uniformly provided with a plurality of through holes (71).
5. The food package airtightness detection mechanism according to claim 1, wherein: the upper end surface of the pore plate (7) is fixedly connected with a lifting plate (73).
6. The food package airtightness detection mechanism according to claim 1, wherein: one side of the transparent water barrel (1) is connected with a water level gauge (6) which is vertically arranged; the water level gauge (6) is communicated with the lower part of the transparent bucket (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921972754.8U CN210625982U (en) | 2019-11-14 | 2019-11-14 | Food package gas tightness detection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921972754.8U CN210625982U (en) | 2019-11-14 | 2019-11-14 | Food package gas tightness detection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210625982U true CN210625982U (en) | 2020-05-26 |
Family
ID=70754029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921972754.8U Expired - Fee Related CN210625982U (en) | 2019-11-14 | 2019-11-14 | Food package gas tightness detection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210625982U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280896A (en) * | 2021-06-22 | 2021-08-20 | 沈朋 | Water meter sealing performance detection device and method |
-
2019
- 2019-11-14 CN CN201921972754.8U patent/CN210625982U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280896A (en) * | 2021-06-22 | 2021-08-20 | 沈朋 | Water meter sealing performance detection device and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200526 |