CN113984478B - Food safety inspection is with system appearance device - Google Patents
Food safety inspection is with system appearance device Download PDFInfo
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- CN113984478B CN113984478B CN202111297581.6A CN202111297581A CN113984478B CN 113984478 B CN113984478 B CN 113984478B CN 202111297581 A CN202111297581 A CN 202111297581A CN 113984478 B CN113984478 B CN 113984478B
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- food safety
- sample preparation
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- preparation device
- extraction
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Hydrology & Water Resources (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention is suitable for the field of food safety, and provides a sample preparation device for food safety detection, which comprises a bottom plate, a plurality of utensils, a placing rack, a mounting rack and an extraction unit, wherein the utensils are arranged on one side of the bottom plate; the device comprises a base plate, a mounting frame, an extraction unit, a gas pipeline, a liquid pipeline, a partition plate, a gas blowing unit, a discharge pipe and a valve assembly, wherein the mounting frame is fixed on the other side of the base plate; the rack is provided with a plurality of rotating storage chambers corresponding to the positions of the extraction pipes, and the bottom plate is provided with a driving unit. The beneficial effects are as follows: the air blowing unit is used for pressurizing inwards, so that liquid enters the discharge pipe from the liquid pipeline and is discharged, and the pressurization is interrupted and the cooperation with the valve assembly can be immediately stopped.
Description
Technical Field
The invention belongs to the field of food safety, and particularly relates to a sample preparation device for food safety detection.
Background
The food safety means that the food is nontoxic and harmless, meets the existing nutritional requirements, and does not cause any acute, subacute or chronic harm to the health of human bodies. Food safety is also a interdisciplinary field specially discussed for ensuring food sanitation and eating safety, reducing hidden danger of diseases and preventing food poisoning in the processes of food processing, storage, sale and the like, so the food safety is very important.
Usually, for some liquid foods, part of liquid needs to be extracted for detection, and certainly, before extraction operation, the liquid needs to be fully shaken up and then extracted, so that the detection accuracy is ensured.
The existing extraction mode is mostly a negative pressure extraction mode, generally a needle tube type tool is adopted for extraction, most of the extraction modes are manual operation, time and labor are wasted, and the operation is complicated.
Disclosure of Invention
An object of an embodiment of the present invention is to provide a sample preparation device for food safety detection, which aims to solve the above-mentioned problems in the background art.
The embodiment of the invention is realized in such a way that the sample preparation device for food safety detection comprises a bottom plate, a plurality of utensils, a placing frame, a mounting frame and an extraction unit, wherein the utensils are arranged on one side of the bottom plate;
the device comprises a base plate, a mounting frame, an extraction unit, a gas pipeline, a liquid pipeline, a gas blowing unit, a liquid pipeline, a connecting pipeline, a discharging pipe, a container and a valve assembly, wherein the mounting frame is fixed on the other side of the base plate;
the rack is provided with a plurality of storage chambers corresponding to the positions of the extraction pipes, the storage chambers are rotationally connected, the bottom plate is provided with a driving unit, and the driving unit is used for driving the storage chambers to swing in a reciprocating mode.
Preferably, the connecting pipeline comprises a transverse pipe fixed on the end face of the extraction pipe, a plurality of through holes are formed in the transverse pipe and are respectively communicated with the gas pipeline in the extraction pipe, a communicated straight pipe is arranged on the side face of the transverse pipe, and the other end of the straight pipe is connected with the gas blowing unit.
Preferably, the placing rack is rotatably connected with a supporting shaft, and the storage chambers are fixed on the supporting shaft at intervals.
Preferably, the driving unit comprises a driving piece and a connecting piece, the driving piece is arranged on the bottom plate, one end of the connecting piece is connected with the storage chamber, the other end of the connecting piece is connected with the driving piece, and the driving piece is used for driving the connecting piece to do reciprocating linear motion, so that the storage chamber rotates.
Preferably, the driving piece is including fixing the rotating member on the bottom plate, and the output of rotating member is fixed with the carousel, and the eccentric round pin axle that is fixed with on the carousel, the connecting piece includes the straight board, and it has the draw-in groove to open along its length direction on the straight board, and the draw-in groove cooperatees with the round pin axle, is fixed with a plurality of telescopic rod spare on the straight board, and telescopic rod spare's the other end rotates with the storage chamber to be connected.
Preferably, the valve assembly comprises a conical pipe fixed in the discharge pipe, an elastic part is fixed between the outer side of the conical pipe and the inner wall of the discharge pipe, and the elastic part is used for pressing the conical pipe to close the pipe orifice of the conical pipe facing the outer side of the discharge pipe.
Preferably, the conical tube is made of rubber.
Preferably, the end of the extraction pipe is of a bevel tip structure.
Preferably, the storage chamber is a cylindrical tube body with an opening at the top.
The sample preparation device for food safety detection provided by the embodiment of the invention has the beneficial effects that: this device is when using, at first put into the deposit chamber with liquid food with the packing at first, in the liquid food in the deposit chamber is inserted to the extraction tube through flexible drive, because the interior interlayer setting of extraction tube, through the inside pressure boost of air-blowing unit, make liquid get into delivery pipe department discharge from liquid pipeline, and can terminate immediately with the valve member cooperation after the pressure boost of breaking off, this kind of sample mode can multiunit concurrent operation, and the process is simple and convenient, intersect can be swift and convenient in conventional sample mode, in-service use effect is good.
Drawings
Fig. 1 is a front view of a sample preparation device for food safety detection according to an embodiment of the present invention;
fig. 2 is a side view of a sample preparation device for food safety detection according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the internal structure of an extraction tube according to an embodiment of the present invention;
FIG. 4 is a cross-sectional structural view of a valve assembly provided in accordance with an embodiment of the present invention;
fig. 5 is a perspective structural view of a driving unit according to an embodiment of the present invention;
in the drawings: 1-a bottom plate; 2-a vessel; 3, placing a rack; 4-a mounting rack; 5-an extraction unit; 501-a telescopic piece; 502-a frame; 503-an extraction tube; 5031-a spacer; 5032-gas line; 5033-liquid conduit; 504-an air-blowing unit; 5041-air pump; 505-connecting a pipe; 5051-horizontal tube; 5052-through hole; 5053-straight tube; 506-a discharge pipe; 6-a valve assembly; 601-a conical tube; 602-an elastic member; 7-a storage chamber; 8-a drive unit; 801-a driving member; 8011-rotating member; 8012-turntable; 8013-pin shaft; 802-a connector; 8021-straight plate; 8022-card slot; 8023-telescoping rod members; and 9-supporting the shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, a structure diagram of a sample preparation device for food safety detection according to an embodiment of the present invention includes:
the bottom plate 1, one side is provided with 2 a plurality of wares on the bottom plate 1, still including rack 3, mounting bracket 4 and extraction unit 5.
The mounting frame 4 is fixed on the other side of the bottom plate 1, the extraction unit 5 is fixed on the mounting frame 4, the extraction unit 5 comprises an expansion member 501 fixed on the mounting frame 4, a frame 502 is fixed at the other end of the expansion member 501, a plurality of extraction pipes 503 are fixed in the frame 502 along the length direction thereof, the interior of the extraction pipes 503 is divided into a gas pipeline 5032 and a liquid pipeline 5033 by a partition 5031, an air-blowing unit 504 is arranged on the side surface of the frame 502, the air-blowing unit 504 is communicated with the gas pipeline 5032 by a connecting pipeline 505, a discharge pipe 506 is fixed on the side surface of the extraction pipe 503, the discharge pipe 506 is communicated with the liquid pipeline 5033, the other end of the discharge pipe 506 is matched with the vessel 2, and the end is provided with a valve assembly 6.
The storage rack 3 is provided with a plurality of storage chambers 7 corresponding to the positions of the extraction pipes 503, the storage chambers 7 are rotatably connected to the storage rack 3, the bottom plate 1 is provided with a driving unit 8, the bottoms of the storage chambers 7 are connected with the driving unit 8, and the driving unit 8 is used for driving the storage chambers 7 to swing in a reciprocating mode.
In one embodiment of the present invention, when the device is used, firstly, the liquid food with the package is placed in the storage chamber 7, the drawing tube 503 is inserted into the liquid food in the storage chamber 7 by stretching, because the inner layer of the drawing tube 503 is arranged, the beverage bottle is pressurized by the air blowing unit 504, because the drawing tube 503 is inserted into the sealed beverage bottle, after the beverage bottle is pressurized by the air pipe 5032, the liquid in the beverage bottle enters the discharge pipe 506 through the liquid pipe 5033. The operation of interrupting the pressurization and the matching of the valve component 6 can also immediately stop the work of discharging liquid from the discharge pipe 506, the sampling mode can simultaneously operate a plurality of groups, the process is simple and convenient, the intersection in the conventional sampling mode can be fast and convenient, and the actual use effect is good.
In an example of the present invention, the bottom plate 1 is provided with a plurality of circular plates for positioning at a placing position of the vessel 2, the vessel 2 is directly placed on the bottom plate, and the taking is convenient, the storage chamber 7 is a columnar tube with an opening at the top, the rack 3 is rotatably connected with a supporting shaft 9, the storage chambers 7 are fixed on the supporting shaft 9 at intervals, the driving unit 8 can be an electric push rod with one end rotatably connected to one side of the bottom plate 1, the rotary connection position is located at one side of the rack 3, the other end of the electric push rod is rotatably connected with a transversely arranged plate, the plate is fixed at the bottom of the storage chamber 7, so that when the electric push rod continuously extends and retracts, the storage chamber 7 can be driven to swing, the end of the extraction tube 503 is in a slant-point structure, the extensible member 501 can be an electric extensible rod, and of course the extensible member 501 can also be a hydraulic tappet, the extraction tube 503 can be driven to move downwards only by driving the extraction tube 503 to move upwards and downwards through the electric telescopic rod, and the end of the extraction tube 503 is of a bevel tip structure and can be conveniently inserted into liquid food with a package, such as bottled food with a seal.
As shown in fig. 2 and fig. 3, as a preferred embodiment of the present invention, the connecting pipe 505 includes a horizontal pipe 5051 fixed on an end surface of the extraction pipe 503, the horizontal pipe 5051 is provided with a plurality of through holes 5052 respectively communicated with the gas pipe 5032 in the extraction pipe 503, a straight pipe 5053 is provided on a side surface of the horizontal pipe 5051, and the other end of the straight pipe 5053 is connected with the air blowing unit 504.
In one aspect of this embodiment, the air-inflating unit 504 may employ an air-inflating pump 5041, and when the air-inflating pump 5041 is operated, the air is supplied through a straight tube 5053 into a cross tube 5051, and then through a through hole 5052 into an air duct 5032 of the suction tube 503, so that the pressure in the liquid food package can be increased, thereby allowing the liquid to flow from the liquid duct 5033 into the discharge tube 506, although the air-inflating unit 504 may employ a piston-type air-inflating mechanism.
As a preferred embodiment of the present invention, the driving unit 8 includes a driving member 801 and a connecting member 802, the driving member 801 is disposed on the bottom plate 1, one end of the connecting member 802 is connected to the storage chamber 7, and the other end of the connecting member 802 is connected to the driving member 801, the driving member 801 is used for driving the connecting member 802 to perform a reciprocating linear motion, so as to rotate the storage chamber 7.
In a condition of this embodiment, connecting piece 802 includes the plate, is fixed with the telescopic link that corresponds with storage chamber 7 quantity on the plate, and the other end and the storage chamber 7 of telescopic link rotate to be connected, driving piece 801 can adopt and fix electric putter on bottom plate 1, and electric putter transversely sets up, and electric putter can drive the plate and carry out reciprocal linear motion, and the telescopic link stretches out and draws back simultaneously and provides position compensation to it swings to drive storage chamber 7.
As shown in fig. 5, supplementary description is made based on the above embodiments, the driving element 801 includes a rotating element 8011 fixed on the bottom plate 1, a rotating disc 8012 is fixed at an output end of the rotating element 8011, a pin shaft 8013 is eccentrically fixed on the rotating disc 8012, the connecting element 802 includes a straight plate 8021, a slot 8022 is formed on the straight plate 8021 along a length direction thereof, the slot 8022 is matched with the pin shaft 8013, a plurality of telescopic rods 8023 are fixed on the straight plate 8021, and the other end of the telescopic rods 8023 is rotatably connected to the storage chamber 7.
In a case of this embodiment, the rotating element 8011 is a speed reduction motor, and certainly the rotating element 8011 may also be a hydraulic motor as long as it can drive the rotary disc 8012 to rotate, when the rotating element 8011 drives the rotary disc 8012 to rotate, the pin shaft 8013 on the rotary disc 8012 rotates, and through the cooperation of the pin shaft 8013 and the slot 8022, the straight plate 8021 can be driven to reciprocate, so as to drive the storage compartment 7 to swing through the telescopic rod member 8023, the rotary disc 8012 is provided with a plurality of threaded holes along its radial direction, and the pin shaft 8013 is fixed on the rotary disc 8012 through the threaded holes, and the feature is that the position of the pin shaft 8013 can be changed, so as to control its rotation radius, so that the swing amplitude of the storage compartment 7 can be adjusted, which is more efficient and flexible than the above mentioned transmission method, so that when the swing amplitude of the storage compartment 7 is adjusted, when liquid food with different concentrations is to be served, can make adaptive adjustment to achieve the purpose of optimal mixing and shaking.
As shown in fig. 4, as a preferred embodiment of the present invention, the valve assembly 6 comprises a conical pipe 601 fixed in the discharge pipe 506, and an elastic member 602 is fixed between the outside of the conical pipe 601 and the inner wall of the discharge pipe 506, and the elastic member 602 is used for pressing the conical pipe 601 to close the opening of the conical pipe 601 facing the outside of the discharge pipe 506.
In one aspect of this embodiment, the tapered tube 601 is made of rubber, so that it has elasticity, and can generate large deformation under the action of the elastic member 602, when the blowing unit is continuously pressurized, the pressure of the liquid in the discharge pipe 506 is increased, only when the pressure is greater than the set pressure value, the elastic member 602 is compressed, so that the tapered tube 601 is opened, and the liquid in the discharge pipe 506 is discharged to the vessel 2, and as long as the air supply and pressurization are stopped, the pressure in the discharge pipe 506 is rapidly reduced, and the tapered tube 601 can be rapidly closed, so as to stop the liquid discharge operation, thereby solving the problem that a small amount of liquid still drops when the sampling is stopped, the elastic member 602 may adopt a spring, and certainly, the elastic member 602 may also adopt a rubber ring filled with air inside, and can also realize the functions of compression and rebound.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A sample preparation device for food safety detection comprises a bottom plate, wherein a plurality of utensils are arranged on one side of the bottom plate, and the sample preparation device is characterized by further comprising a placing rack, a mounting rack and an extraction unit;
the device comprises a base plate, a mounting frame, an extraction unit, a gas pipeline, a liquid pipeline, a gas blowing unit, a liquid pipeline, a valve component and a water outlet pipe, wherein the mounting frame is fixed on the other side of the base plate;
the rack is provided with a plurality of storage chambers corresponding to the positions of the extraction pipes, the storage chambers are rotatably connected, the bottom plate is provided with a driving unit, and the driving unit is used for driving the storage chambers to swing in a reciprocating mode.
2. The sample preparation device for food safety inspection according to claim 1, wherein the connection pipeline comprises a horizontal pipe fixed on an end face of the extraction pipe, a plurality of through holes are formed in the horizontal pipe and respectively communicated with the gas pipeline in the extraction pipe, a communicated straight pipe is arranged on a side face of the horizontal pipe, and the other end of the straight pipe is connected with the gas blowing unit.
3. The sample preparation device for food safety inspection according to claim 2, wherein a support shaft is rotatably connected to the rack, and the storage chambers are fixed to the support shaft at intervals.
4. The sample preparation device for food safety detection as claimed in claim 3, wherein the driving unit comprises a driving member and a connecting member, the driving member is disposed on the bottom plate, one end of the connecting member is connected to the storage chamber, and the other end of the connecting member is connected to the driving member, the driving member is configured to drive the connecting member to perform a reciprocating linear motion, so that the storage chamber rotates.
5. The sample preparation device for food safety detection as claimed in claim 4, wherein the driving member comprises a rotating member fixed on the bottom plate, a rotary table is fixed on an output end of the rotating member, a pin is eccentrically fixed on the rotary table, the connecting member comprises a straight plate, a slot is formed in the straight plate along the length direction of the straight plate, the slot is matched with the pin, a plurality of telescopic rod members are fixed on the straight plate, and the other ends of the telescopic rod members are rotatably connected with the storage chamber.
6. The sample preparation device for food safety inspection according to claim 1, wherein the valve assembly comprises a tapered tube fixed inside the discharge tube, and an elastic member is fixed between the outside of the tapered tube and the inner wall of the discharge tube, and the elastic member is used for pressing the tapered tube to close the mouth of the tapered tube facing the outside of the discharge tube.
7. The food safety inspection sample preparation device according to claim 6, wherein the tapered tube is made of rubber.
8. The sample preparation device for food safety inspection according to claim 1, wherein the tip of the extraction tube has a bevel-like structure.
9. The sample preparation device for food safety inspection according to claim 1, wherein the storage chamber is a cylindrical tube having an opening at the top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111297581.6A CN113984478B (en) | 2021-11-04 | 2021-11-04 | Food safety inspection is with system appearance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111297581.6A CN113984478B (en) | 2021-11-04 | 2021-11-04 | Food safety inspection is with system appearance device |
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| CN113984478A CN113984478A (en) | 2022-01-28 |
| CN113984478B true CN113984478B (en) | 2022-08-23 |
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| CN202111297581.6A Active CN113984478B (en) | 2021-11-04 | 2021-11-04 | Food safety inspection is with system appearance device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116519897B (en) * | 2023-05-05 | 2024-04-12 | 吉林工程技术师范学院 | Aquatic pollutant detection device |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2743323Y (en) * | 2004-07-28 | 2005-11-30 | 陈永全 | Pneumatic liquid lifter |
| CN102400962A (en) * | 2010-09-09 | 2012-04-04 | 翟爱民 | Gas-liquid pump |
| CN202295837U (en) * | 2011-10-27 | 2012-07-04 | 吴朝辉 | Liquid-pumping device |
| CN203584920U (en) * | 2013-12-12 | 2014-05-07 | 河南春达彩印包装有限公司 | Automatic liquid extraction device |
| CN110220748A (en) * | 2018-03-01 | 2019-09-10 | 山东新泰华高科食品检测有限公司 | Sampler is used in a kind of detection of liquid food |
| CN210719750U (en) * | 2019-08-16 | 2020-06-09 | 昆山北测检测技术有限公司 | Food detects quick sampling device |
| CN210815328U (en) * | 2019-10-08 | 2020-06-23 | 四川省优检联技术检测服务有限公司 | Liquid transfer device for food safety detection |
| CN110823645B (en) * | 2019-11-26 | 2022-04-12 | 山东省新世纪检测认证中心有限公司 | Portable liquid food detects uses sampler |
| CN211453006U (en) * | 2020-01-14 | 2020-09-08 | 李颜达 | Sampling device for food quality detection |
| CN111208124B (en) * | 2020-01-17 | 2022-07-12 | 拱北海关技术中心 | Portable intelligent food heavy metal detector |
| CN212363770U (en) * | 2020-04-29 | 2021-01-15 | 上海同舟共济生物科技有限公司 | Sampling device for food production detection |
| CN212459015U (en) * | 2020-05-17 | 2021-02-02 | 上海同议包装设备有限公司 | Sampling device for food safety inspection |
| CN213239604U (en) * | 2020-06-16 | 2021-05-18 | 威海市食品药品检验检测中心 | Liquid food detects uses layering sampling device |
| CN213985808U (en) * | 2020-12-28 | 2021-08-17 | 吴子岚 | Food detection equipment who possesses sampling mechanism |
| CN113310911A (en) * | 2021-05-26 | 2021-08-27 | 谢嗣雄 | Deep-type food internal detection device |
| CN113567195A (en) * | 2021-07-23 | 2021-10-29 | 临沂海关综合技术服务中心 | Multifunctional food detection sampling device and sampling method |
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2021
- 2021-11-04 CN CN202111297581.6A patent/CN113984478B/en active Active
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