CN112881078A - Liquid food detection sampling device and sampling method thereof - Google Patents
Liquid food detection sampling device and sampling method thereof Download PDFInfo
- Publication number
- CN112881078A CN112881078A CN202011467171.7A CN202011467171A CN112881078A CN 112881078 A CN112881078 A CN 112881078A CN 202011467171 A CN202011467171 A CN 202011467171A CN 112881078 A CN112881078 A CN 112881078A
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- sampling
- spring
- cover plate
- liquid food
- sliding block
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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
Abstract
The invention discloses a liquid food detection sampling device and a sampling method thereof, and relates to the technical field of food detection sampling. The invention comprises a hollow operating rod, wherein a sliding block A capable of sliding along the length direction of the operating rod is arranged in the operating rod, a control rod A is arranged at the top of the sliding block A, and an operating block is arranged at the end part of the control rod A; the bottom of the sliding block A is connected with a traction rope A, the end part of the traction rope A is connected with a cover plate, the periphery side of the end part of the operating rod is connected with a fixing ring through a connecting plate A, one side of the fixing ring is connected with a bottom plate through a plurality of pillars, and a sampling container is arranged on the bottom plate; the connecting plate A is connected with a spring A, and the end part of the spring A is connected to the top side surface of the cover plate; the sampling container and the cover plate are in sealing fit. The cover plate is controlled by the operating rod, the spring A and the operating rod A, so that the sampling container is in a closed state before and after sampling, and is in an open state only during sampling, and the sampling accuracy is guaranteed.
Description
Technical Field
The invention belongs to the technical field of food detection sampling, and particularly relates to a liquid food detection sampling device and a sampling method thereof.
Background
The broad food inspection refers to a subject for researching and evaluating food quality and changes thereof, which inspects the quality of food raw materials, auxiliary materials, semi-finished products, finished products and byproducts according to some basic theories of physics, chemistry and biochemistry and various technologies and established technical standards, such as international and national food sanitation/safety standards, so as to ensure that the quality of the products is qualified. The food inspection contents comprise sensory detection of food, detection of nutrient components, additives and harmful substances in the food and the like.
The development of analytical chemistry provides an accurate and reliable analytical method for food safety testing. With the rapid development of scientific technology, food inspection technology has achieved parts per million or even parts per billion accuracy. The indexes of food inspection mainly comprise the analysis of general components of food, the analysis of trace elements, the analysis of pesticide residues, the analysis of veterinary drug residues, the analysis of mycotoxin, the analysis of food additives, the analysis of other harmful substances and the like.
In the liquid food, especially the liquid food containing solid sediment, such as bottled beverage containing fruit particles, the solid sediment can sink when standing for a long time, but the solid sediment and the liquid food have a certain difference in putrefaction speed, so that the freshness of the food near the bottom of the bottled or bagged liquid food after standing is the same as that of the food at other parts, therefore, in the safety detection, the sample at the bottom needs to be heavily sampled for detection.
Disclosure of Invention
The invention aims to provide a liquid food detection sampling device and a sampling method thereof, which solve the problems in the prior art.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a liquid food detection sampling device, which comprises a hollow operating rod, wherein a sliding block A capable of sliding along the length direction of the operating rod is arranged in the operating rod, a control rod A is arranged at the top of the sliding block A, and an operating block is arranged at the end part of the control rod A; the bottom of the sliding block A is connected with a traction rope A, the end part of the traction rope A is connected with a cover plate, the periphery side of the end part of the operating rod is connected with a fixing ring through a plurality of connecting plates A, one side of the fixing ring is connected with a bottom plate through a plurality of pillars, and a sampling container is detachably arranged on the bottom plate; a spring A is connected to any one of the connecting plates A, and the end of the spring A is connected to the top side surface of the cover plate; the sampling container and the cover plate are in sealing fit.
Furthermore, a positioning convex ring matched with the sampling container is arranged at the center of the upper surface of the bottom plate, and a positioning groove matched with the positioning convex ring is arranged on the lateral surface of the outer bottom of the sampling container.
Furthermore, the bottom of the bottom plate is also provided with a limiting component for fixing the sampling container; the center of the bottom plate is provided with a through hole which is concentric with the positioning convex ring, and the limiting component comprises a cylinder body which is arranged at the through hole and is provided with an opening at one end; the cylinder is internally provided with a sliding block B which can slide along the length direction of the cylinder, the bottom side surface of the sliding block B is provided with a control rod B, the top side surface of the sliding block B is connected with a traction rope B, and the end part of the traction rope B is connected with a plurality of traction ropes C;
the inner part of the opening end of the barrel body is connected with a support ring through a plurality of connecting plates B, openings A which are matched with the traction ropes C one by one and used for the traction ropes C to pass through are formed in the periphery of the support ring, and openings B which are concentric with the openings A are formed in the periphery of the opening end of the barrel body; a movable rod capable of sliding along the axial direction of the opening B is arranged in the opening B, and one end of the movable rod is connected with the traction rope C;
one end of the movable rod, which is close to the support ring, is provided with a flanging, and a spring B is arranged between the flanging and the outer side wall of the support ring; a T-shaped fixture block is arranged at one end of the movable rod, which is far away from the support ring, and a convex inserting plate is arranged at one end of the T-shaped fixture block, which is far away from the movable rod; t-shaped sliding grooves matched with the T-shaped clamping blocks one by one are formed in the peripheral sides of the positioning convex rings; and the peripheral side wall of the positioning groove is provided with a slot matched with the inserting plate.
Furthermore, the bottom side surface of the cylinder body is provided with a through hole which is movably matched with the control rod B.
Further, a spring C is connected between the sliding block B and the bottom side face of the barrel body, and the spring C is sleeved on the periphery of the control rod B.
Further, the sampling container is of a cylindrical structure.
The liquid food detection sampling method is applied to the liquid food detection sampling device, and comprises the following steps:
stp1, firstly, controlling the control rod A to move upwards to drive the cover plate to compress the spring A;
stp2, putting the sampling container in the positioning groove through the matching of the positioning convex ring and the positioning groove;
stp3, removing the external force of the control lever A, the cover plate moves reversely under the action of the spring A and blocks the sampling container;
stp4, controlling the operation rod to send the sampling container to the designated sampling position, then controlling the control rod A to move upwards to drive the cover plate to compress the spring A, at the moment, the cover plate is separated from the port, and the liquid enters the sampling container;
stp5, after sampling, removing the external force of the upward control rod A, and the cover plate moves reversely and blocks the sampling container under the action of the spring A;
stp6, taking out the whole sampling device from the sampling position, then controlling the cover plate to move upwards, and taking out the sampling container from the bottom plate.
Furthermore, before the Stp2, the control rod B is firstly pulled outwards, so that the T-shaped fixture blocks compress the spring B and slide into the T-shaped sliding grooves;
after the Stp2, the T-shaped fixture block moves outwards under the action of the spring B and the spring C including the action of removing the action force of pulling the control rod B outwards, and the insertion plate is inserted into the insertion groove in a matching way.
Further, in the Stp6, the lever B is pulled outward while the external force moving toward the upper lever a is removed, so that the card slides out of the slot.
The invention has the following beneficial effects:
the cover plate is controlled by the operating rod, the spring A and the operating rod A, so that the sampling container is in a closed state before and after sampling, and is in an open state only during sampling, and the sampling accuracy is guaranteed; simultaneously through the setting of spacing subassembly, realize fixing the sample container at the whole in-process of sample, avoid the sample container phenomenon such as rock to appear.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a detecting and sampling device according to the present invention;
FIG. 2 is a schematic view of a partial structure of the detecting and sampling device of the present invention;
FIG. 3 is a schematic view of a spacing assembly according to the present invention;
FIG. 4 is a schematic cross-sectional view of a spacing assembly according to the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 3 at 2;
FIG. 6 is a schematic view of a sampling vessel according to the present invention;
fig. 7 is a partial enlarged view of fig. 6 at B.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered as limiting the present invention.
Referring to fig. 1-7, the present invention is a liquid food detecting and sampling device, including a hollow operating rod 1, a sliding block a sliding along the length direction of the operating rod 1 is arranged in the operating rod 1, a control rod a11 is arranged on the top of the sliding block a, and an operating block 12 is arranged at the end of the control rod a 11; the bottom of the sliding block A is connected with a traction rope A13, the end part of the traction rope A13 is connected with a cover plate 14, the peripheral side of the end part of the operating rod 1 is connected with a fixing ring 16 through a plurality of connecting plates A15, one side of the fixing ring 16 is connected with a bottom plate 19 through a plurality of pillars 18, and the bottom plate 19 is detachably provided with a sampling container 3; a spring A17 is connected to any connecting plate A15, and the end of the spring A17 is connected to the top side surface of the cover plate 14; the sampling container 3 and the cover plate 14 are in sealing engagement.
Preferably, a positioning convex ring 192 matched with the sampling container 3 is arranged at the center of the upper surface of the bottom plate 19, and a positioning groove 31 matched with the positioning convex ring 192 is arranged at the lateral surface of the outer bottom of the sampling container 3.
Preferably, the bottom of the bottom plate 19 is also provided with a limiting component 2 for fixing the sampling container 3; a through hole 191 which is concentric with the positioning convex ring 192 is arranged at the center of the bottom plate 19, and the limiting component 2 comprises a cylinder body 21 which is arranged at the through hole 191 and has an opening at one end; a sliding block B22 capable of sliding along the length direction is arranged in the barrel 21, a control rod B221 is arranged on the bottom side face of the sliding block B22, a traction rope B223 is connected to the top side face, and a plurality of traction ropes C26 are connected to the end portion of the traction rope B223;
the inside of the opening end of the cylinder 21 is connected with a support ring 24 through a plurality of connecting plates B23, the periphery of the support ring 24 is provided with openings A241 which are matched with the hauling ropes C26 one by one and used for the hauling ropes C26 to pass through, and the periphery of the opening end of the cylinder 21 is provided with an opening B271 which is concentric with the opening A241; the opening B271 is internally provided with a movable rod 27 which can slide along the axial direction of the opening B, and one end of the movable rod 27 is connected with a traction rope C26;
one end of the movable rod 27 close to the support ring 24 is provided with a flange, and a spring B is arranged between the flange and the outer side wall of the support ring 24; a T-shaped fixture block 28 is arranged at one end of the movable rod 27 far away from the support ring 24, and a protruded insertion plate 29 is arranged at one end of the T-shaped fixture block 28 far away from the movable rod 27; t-shaped sliding grooves 193 which are matched with the T-shaped clamping blocks 28 one by one are arranged on the peripheral side of the positioning convex ring 192; the peripheral side wall of the positioning recess 31 is provided with a slot 32 which mates with the insert plate 29.
Preferably, the bottom side surface of the cylinder 21 is provided with a through hole 211 movably engaged with the control rod B221.
Preferably, a spring C212 is connected between the slider B22 and the bottom side surface of the cylinder 21, and the spring C212 is sleeved on the peripheral side of the control rod B221.
Preferably, the sampling vessel 3 is of cylindrical construction.
A liquid food detection sampling method is applied to the liquid food detection sampling device, and comprises the following steps:
stp1, first moving up the control lever A11 to drive the cover plate 14 to compress the spring A17;
stp2, placing the sampling container 3 in the positioning groove 31 through the matching of the positioning convex ring 192 and the positioning groove;
stp3, when the external force of the control lever A11 is removed, the cover plate 14 moves reversely under the action of the spring A17 and blocks the sampling container 3;
stp4, control the operating lever 1 to send the sampling container 3 to the appointed sampling position, then control the control lever A11 to move upwards and drive the cover plate 14 to compress the spring A17, at this moment the cover plate 14 is disengaged from the port, then the liquid enters the sampling container 3;
after Stp5 and sampling, the external force moving upwards to control the lever A11 is removed, the cover plate 14 moves reversely under the action of the spring A17 and blocks the sampling container 3;
at step 6, the entire sampling device is taken out from the sampling position, and then the cover plate 14 is controlled to move upward to take out the sampling container 3 from the bottom plate 19.
Preferably, before Stp2, the control rod B221 is pulled outwards first, so that the T-shaped latch 28 compresses the spring B and slides into the T-shaped sliding groove 193;
after Stp2, including removing the force pulling lever B221 outward, T-shaped latch 28 moves outward by spring B and spring C212, and insert plate 29 is fitted into slot 32.
Preferably, in Stp6, lever B221 is pulled outward while the external force moving up to lever a11 is removed, so that the insert plate 29 is slid out from the insertion slot 32.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. The utility model provides a liquid food detects sampling device which characterized in that: the device comprises a hollow operating rod (1), wherein a sliding block A capable of sliding along the length direction of the operating rod is arranged in the operating rod (1), a control rod A (11) is arranged at the top of the sliding block A, and an operating block (12) is arranged at the end part of the control rod A (11);
the bottom of the sliding block A is connected with a traction rope A (13), the end part of the traction rope A (13) is connected with a cover plate (14), the periphery side of the end part of the operating rod (1) is connected with a fixing ring (16) through a plurality of connecting plates A (15), one side of the fixing ring (16) is connected with a bottom plate (19) through a plurality of pillars (18), and the bottom plate (19) is detachably provided with a sampling container (3);
a spring A (17) is connected to any one of the connecting plates A (15), and the end of the spring A (17) is connected to the top side of the cover plate (14);
the sampling container (3) is in sealing fit with the cover plate (14).
2. The liquid food detection and sampling device according to claim 1, characterized in that a positioning convex ring (192) matched with the sampling container (3) is arranged at the center of the upper surface of the bottom plate (19), and a positioning groove (31) matched with the positioning convex ring (192) is arranged on the outer bottom side surface of the sampling container (3).
3. The liquid food detection and sampling device according to claim 2, characterized in that the bottom of the bottom plate (19) is further provided with a limiting component (2) for fixing the sampling container (3);
a through hole (191) which is concentric with the positioning convex ring (192) is formed in the center of the bottom plate (19), and the limiting assembly (2) comprises a cylinder body (21) which is arranged at the through hole (191) and is provided with an opening at one end;
a sliding block B (22) capable of sliding along the length direction of the sliding block B is arranged in the barrel body (21), a control rod B (221) is arranged on the bottom side face of the sliding block B (22), a traction rope B (223) is connected to the top side face of the sliding block B, and a plurality of traction ropes C (26) are connected to the end portion of the traction rope B (223);
the inner part of the opening end of the cylinder body (21) is connected with a support ring (24) through a plurality of connecting plates B (23), open holes A (241) which are matched with the hauling ropes C (26) one by one and used for the hauling ropes C (26) to pass through are formed in the peripheral side of the support ring (24), and open holes B (271) which are in a concentric structure with the open holes A (241) are formed in the peripheral side of the opening end of the cylinder body (21);
a movable rod (27) capable of sliding along the axial direction of the opening B (271) is arranged in the opening B (271), and one end of the movable rod (27) is connected with one traction rope C (26);
one end of the movable rod (27) close to the support ring (24) is provided with a flanging, and a spring B is arranged between the flanging and the outer side wall of the support ring (24);
a T-shaped fixture block (28) is arranged at one end, away from the support ring (24), of the movable rod (27), and a protruded inserting plate (29) is arranged at one end, away from the movable rod (27), of the T-shaped fixture block (28);
t-shaped sliding grooves (193) which are matched with the T-shaped clamping blocks (28) one by one are formed in the peripheral side of the positioning convex ring (192);
and the peripheral side wall of the positioning groove (31) is provided with a slot (32) matched with the inserting plate (29).
4. The liquid food detection and sampling device according to claim 3, wherein the bottom side of the cylinder (21) is provided with a through hole (211) movably matched with the control rod B (221).
5. The liquid food detection and sampling device according to claim 3 or 4, wherein a spring C (212) is connected between the sliding block B (22) and the bottom side surface of the cylinder body (21), and the spring C (212) is sleeved on the periphery of the control rod B (221).
6. The liquid food detection and sampling device according to claim 1, wherein the sampling container (3) is cylindrical.
7. A liquid food detection sampling method applied to the liquid food detection sampling device of any one of claims 1-6, characterized by comprising the following steps:
stp1, firstly, controlling the control rod A (11) to move upwards to drive the cover plate (14) to compress the spring A (17);
stp2, putting the sampling container (3) into the positioning groove (31) through the matching of the positioning convex ring (192);
stp3, when the external force of the control lever A (11) is removed, the cover plate (14) moves reversely under the action of the spring A (17) and blocks the sampling container (3);
stp4, controlling the operating rod (1) to send the sampling container (3) to a designated sampling position, then controlling the control rod A (11) to move upwards to drive the cover plate (14) to compress the spring A (17), at the moment, the cover plate (14) is separated from the port, and then the liquid enters the sampling container (3);
stp5, after sampling, removing the external force moving to the control rod A (11), and the cover plate (14) moves reversely and blocks the sampling container (3) under the action of the spring A (17);
stp6, the whole sampling device is taken out from the sampling position, and then the cover plate (14) is controlled to move upwards to take out the sampling container (3) from the bottom plate (19).
8. The method for detecting and sampling liquid food as claimed in claim 7, further comprising, before said Stp2, pulling said lever B (221) outward first, so that said T-shaped latch (28) compresses said spring B and slides into said T-shaped sliding groove (193);
after Stp2, the T-shaped latch (28) moves outwards under the action of spring B and spring C (212) and the inserting plate (29) is inserted into the slot (32) in a matching way by removing the force of pulling the control rod B (221) outwards.
9. A liquid food inspection and sampling method as set forth in claim 7, wherein in the Stp6, the lever B (221) is pulled outward while the external force for moving the upper lever a (11) is removed, so that the insert plate (29) is slid out of the insertion groove (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011467171.7A CN112881078A (en) | 2020-12-14 | 2020-12-14 | Liquid food detection sampling device and sampling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011467171.7A CN112881078A (en) | 2020-12-14 | 2020-12-14 | Liquid food detection sampling device and sampling method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112881078A true CN112881078A (en) | 2021-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011467171.7A Withdrawn CN112881078A (en) | 2020-12-14 | 2020-12-14 | Liquid food detection sampling device and sampling method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN112881078A (en) |
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| CN208999164U (en) * | 2018-11-12 | 2019-06-18 | 乌兰察布职业学院 | A kind of food inspection rapid sampling attachment |
| CN110132648A (en) * | 2019-04-15 | 2019-08-16 | 孙佳楠 | Sampler is used in a kind of sampling of chemical petroleum low liquid level |
| US20190336964A1 (en) * | 2018-05-03 | 2019-11-07 | Natalie Levy Sarraf | Specimen Container with Locking Cap for Closed Container Sampling in Clinical Auto-Analyzers |
| CN210513816U (en) * | 2019-09-06 | 2020-05-12 | 中石化石油工程技术服务有限公司 | Liquid depth-setting sampler |
| CN111624050A (en) * | 2020-06-03 | 2020-09-04 | 安徽中青检验检测有限公司 | Liquid food detects uses sampling device |
| CN211877501U (en) * | 2020-04-27 | 2020-11-06 | 吕萍萍 | Liquid food detects uses sampling device |
| CN212110707U (en) * | 2020-03-12 | 2020-12-08 | 山西中谱安信质检技术服务有限公司 | Food detection sampling device |
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2020
- 2020-12-14 CN CN202011467171.7A patent/CN112881078A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758669A (en) * | 2014-12-19 | 2016-07-13 | 天津春翼成钢材贸易有限公司 | Molten steel sampler |
| CN207456834U (en) * | 2017-10-30 | 2018-06-05 | 赵东启 | A kind of sampler researched and analysed for water conservancy silt |
| US20190336964A1 (en) * | 2018-05-03 | 2019-11-07 | Natalie Levy Sarraf | Specimen Container with Locking Cap for Closed Container Sampling in Clinical Auto-Analyzers |
| CN208568379U (en) * | 2018-07-17 | 2019-03-01 | 陈秋亮 | A kind of sampler of the liquid food detection convenient for adjusting depth selection |
| CN208999164U (en) * | 2018-11-12 | 2019-06-18 | 乌兰察布职业学院 | A kind of food inspection rapid sampling attachment |
| CN110132648A (en) * | 2019-04-15 | 2019-08-16 | 孙佳楠 | Sampler is used in a kind of sampling of chemical petroleum low liquid level |
| CN210513816U (en) * | 2019-09-06 | 2020-05-12 | 中石化石油工程技术服务有限公司 | Liquid depth-setting sampler |
| CN212110707U (en) * | 2020-03-12 | 2020-12-08 | 山西中谱安信质检技术服务有限公司 | Food detection sampling device |
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Application publication date: 20210601 |