Isolation type food quality detection sampling device

Abstract

The utility model relates to the technical field of food detection, and discloses an isolated food quality detection sampling device which comprises a liquid storage tank, a cavity is formed in the liquid storage tank, a plurality of mounting jackets are fixedly connected to the top side of the liquid storage tank, and the mounting jackets are slidably connected to the interiors of the mounting jackets through sliding assemblies. Elastic pieces are arranged at the front end and the rear end of the outer wall of the mounting outer sleeve, mounting holes are formed in the front end and the rear end of the outer wall of the mounting outer sleeve, protrusions are fixedly connected to the outer walls of the elastic pieces, and the elastic pieces are connected with the mounting holes in a clamped mode through the protrusions. According to the sampling device, the sampling needle cylinders can be conveniently and rapidly installed, the multiple sampling needle cylinders are installed on the top side of the liquid storage tank, a sample in the liquid storage tank is sampled multiple times, meanwhile, air is prevented from entering the liquid storage tank to affect the sample in the sampling process, and therefore the working flexibility is improved, and meanwhile the working quality is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of food detection, in particular to an isolated food quality detection sampling device. Background Art

[0002] Liquid food mainly refers to edible items that can flow in pipes, such as liquids, liquids with particles, sauces, etc., including dairy products, beverages, alcohol, cooking oils and condiments. In order to ensure the safety of liquid food, it is necessary to conduct quality inspections on liquid food. The inspection adopts the sampling inspection method. During the sampling inspection process, a sampling device is required to take samples of liquid food.

[0003] A Chinese patent application has been found that discloses an isolated food quality inspection sampling device (Announcement No. CN219279883U), which includes a right-angle frame and a liquid storage tank. A hollow tube column is fixed to one side of the top of the liquid storage tank, and a screw lifting structure is installed inside the hollow tube column. The movable end of the screw lifting structure is installed with a hopper material collection structure. A sealing cover is fixed to the top of the right-angle frame. A pulley rotation drive assembly that drives the screw lifting structure is installed on the outer wall of one side of the right-angle frame. An internal threaded connection seat is fixed at the center of the top of the liquid storage tank. The utility model realizes the isolated sampling of bulk liquid food. During the sampling process, the liquid sample will not come into contact with the air, ensuring the sampling isolation and sealing of the bulk liquid sample, preventing the sample from being contaminated by bacteria in the air, and effectively improving the accuracy of subsequent sample testing.

[0004] Although the above patented technology can prevent internal samples from being contaminated by air through the lifting and taking material structure, multiple sampling is required in some experiments. Since the device needs to cooperate with the lifting structure for sampling, the sampling efficiency of the equipment is low. Therefore, those skilled in the art provide an isolated food quality detection sampling device to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the present invention is to solve the shortcomings of the prior art and to propose an isolated food quality detection sampling device, which aims to improve the problem in the prior art that the sampling device needs to perform multiple sampling.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] An isolated food quality detection sampling device includes a liquid storage tank, the interior of the liquid storage tank has a cavity, the top side of the liquid storage tank is fixedly connected to a plurality of mounting sleeves, the interior of the mounting sleeve is slidably connected to the mounting sleeve via a sliding assembly, the outer wall of the mounting sleeve is provided with spring clips at both front and rear ends, the outer wall of the mounting sleeve is provided with mounting holes at both front and rear ends, the outer wall of the spring clip is fixedly connected with a protrusion, the spring clip is snap-fitted with the mounting hole via the protrusion, a sampling syringe is installed inside the mounting sleeve, the bottom side of the inner wall of the mounting sleeve is fixedly connected to a rubber membrane, and a small hole is provided in the center of the rubber membrane.

[0008] Through this technical solution, the top of the liquid storage tank can be opened to facilitate the introduction of test samples. The rubber membrane is ductile, and the small hole can expand after the sampling tube is inserted, wrapping the sampling tube, thereby reducing the entry of air after the sampling tube is inserted. When installing the mounting sleeve and the components connected to the mounting inner ring, the slider is aligned with the slide groove and inserted, so that the protrusion on the spring clip engages with the mounting hole, and the mounting hole then engages the spring clip, thereby securing the mounting sleeve and its connected components.

[0009] Furthermore, the sampling syringe includes a sampling tube, the outer wall of the sampling tube is fixedly connected to the inner wall of the mounting sleeve, the interior of the sampling tube is slidably connected to a piston rod, the bottom end of the sampling tube is connected to a sampling needle through a mounting assembly, and the end of the piston rod close to the sampling needle is fixedly connected to a piston head.

[0010] Through the above technical solution, the piston head is made of soft rubber material, and the piston head can fill the gap between the piston rod and the sampling tube. After the piston head is pushed to the end of the sampling tube, the air inside is discharged, and the inside becomes a vacuum state. When extracting samples, the air contained in the sample can be reduced, thereby improving the accuracy of the work.

[0011] Furthermore, the mounting assembly includes a connector, the interior of the connector is hollow, the sampling needle is fixedly connected to the side of the connector away from the sampling tube, the end of the connector close to the sampling tube is provided with a thread, the side of the sampling tube close to the sampling needle is provided with a screw hole, and the end of the connector close to the sampling tube is threadedly connected to the inside of the screw hole.

[0012] Through the above technical solution, some samples contain large particles inside, which cannot be sampled by small sampling needles. The sampling needle can be replaced by disassembling the connector to adapt to different samples and sample them.

[0013] Furthermore, a plug-in is fixedly connected to the outer periphery of the connector close to the sampling tube, a slot is provided on the outer periphery of the screw hole, and a spring is provided inside the slot.

[0014] Through the above technical solution, after the connector is installed on the sampling tube, the plug-in is installed into the slot, and the spring can tighten the plug-in, and then tighten the connector, thereby increasing the friction force of the connector thread on the sampling tube thread, thereby increasing the stability of the connection between the sampling tube and the connector.

[0015] Furthermore, the sliding assembly includes two slides and two slide grooves, the two slides are respectively fixedly connected to one end of the outer wall of the mounting jacket and the other end of the outer wall of the mounting jacket, and the two slide grooves are respectively opened at one end of the inner wall of the mounting jacket and the other end of the inner wall of the mounting jacket.

[0016] Through the above technical solution, the slide is installed in the slide groove, so that the slide limits the installation outer sleeve, thereby preventing the installation inner ring from rotating to avoid affecting the work.

[0017] Furthermore, a cover is fixedly connected to the top side of the mounting sleeve, and a rubber ring is fixedly connected to the outer periphery of the bottom side of the cover.

[0018] Through the above technical solution, the rubber ring can block the gap between the cover and the mounting sleeve, thereby preventing air from entering the liquid storage tank. After obtaining the sample, the liquid storage tank needs to be isolated. After nitrogen is filled into the interior, the mounting sleeve is installed into the mounting sleeve to seal the opening of the device to prevent air from entering and affecting the sample.

[0019] Furthermore, an input port is fixedly connected to the upper side of one side of the outer wall of the liquid storage tank, a valve is installed on the outer wall of the input port, and an observation window is provided on the other side of the outer wall of the liquid storage tank.

[0020] Through the above technical solution, nitrogen is injected into the liquid storage tank through the inlet, thereby inhibiting and inactivating bacteria in the liquid storage tank, slowing down the deterioration of food samples in the liquid storage tank, and keeping them fresh for a long time. The liquid storage tank space is sealed by closing the valve. The condition of the sample inside the liquid storage tank can be observed through the observation window.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the present invention, the sampling syringe can be conveniently installed by cooperating with the mounting outer sleeve, the mounting inner ring, the spring piece, the mounting hole and the rubber membrane, so that multiple sampling syringes can be installed on the top side of the liquid storage tank, and the sample in the liquid storage tank can be sampled multiple times. At the same time, during the sampling process, air is prevented from entering the liquid storage tank to affect the sample, thereby improving the flexibility of the work while ensuring the quality of the work.

[0023] 2. In the present invention, the sampling needle can be installed and disassembled through the mutual cooperation of the connector, the plug-in unit and the spring, thereby replacing the sampling needle to adapt to the sampling of different samples, thereby improving the flexibility of the work. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a three-dimensional diagram of an isolated food quality detection sampling device proposed by the present invention;

[0025] Figure 2 This is a structural diagram of the mounting outer sleeve and the mounting inner ring of an isolated food quality detection sampling device proposed by the present invention;

[0026] Figure 3 This is a structural schematic diagram of a sampling syringe for an isolated food quality detection sampling device proposed by the present invention;

[0027] Figure 4 This is a structural diagram of the installation inner ring of an isolated food quality detection sampling device proposed by the present invention;

[0028] Figure 5 This is a structural diagram of the installation jacket of an isolated food quality detection sampling device proposed by the present invention;

[0029] Figure 6 This is a structural diagram of a closed cover of an isolated food quality detection and sampling device proposed by the present invention.

[0030] Legend:

[0031] 1. Liquid storage tank; 2. Install the outer sleeve; 3. Install the inner ring; 4. Sampling tube; 5. Slider; 6. Slide; 7. Shrapnel; 8. Mounting hole; 9. Piston rod; 10. Piston head; 11. Connector; 12. Sampling needle; 13. Plug-in; 14. Spring; 15. Rubber membrane; 16. Cover; 17. Rubber ring; 18. Input port; 19. Valve. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] Example 1:

[0034] Reference Figure 1 、 Figure 4 and Figure 5An isolated food quality inspection and sampling device includes a liquid storage tank 1 having a cavity therein. A plurality of mounting sleeves 2 are fixedly connected to the top side of the liquid storage tank 1. The mounting sleeves 2 are slidably connected to the interior of the mounting sleeves 2 via a sliding assembly. Spring clips 7 are provided at both the front and rear ends of the outer wall of the mounting sleeve 2. Mounting holes 8 are provided at both the front and rear ends of the outer wall of the mounting sleeve 2. A protrusion is fixedly connected to the outer wall of the spring clip 7. The spring clip 7 engages with the mounting hole 8 via the protrusion. A sampling syringe is installed inside the mounting sleeve 2. A rubber membrane 15 is fixedly connected to the bottom side of the inner wall of the mounting sleeve 2. A small hole is provided in the center of the rubber membrane 15. The sliding assembly includes two slides 5 and two slide grooves 6. The two slides 5 are fixedly connected to one end of the outer wall of the mounting sleeve 3 and the other end of the outer wall of the mounting sleeve 2, respectively. The two slide grooves 6 are provided at one end of the inner wall of the mounting sleeve 2 and the other end of the inner wall of the mounting sleeve 2, respectively. An input port 18 is fixedly connected to the upper side of one side of the outer wall of the liquid storage tank 1 , a valve 19 is installed on the outer wall of the input port 18 , and an observation window is provided on the other side of the outer wall of the liquid storage tank 1 .

[0035] Specifically, the top of the liquid storage tank 1 can be opened to facilitate the introduction of test samples. The rubber membrane 15 is flexible, and the small holes can expand after the sampling tube 4 is inserted, wrapping around the tube 4 and reducing the amount of air entering after insertion. By installing the slider 5 into the chute 6, the slider 5 limits the position of the mounting sleeve 2, preventing the mounting inner ring 3 from rotating and thus affecting operation. Nitrogen is injected into the liquid storage tank 1 through the inlet 18, inhibiting and inactivating bacteria within the liquid storage tank 1, slowing the deterioration of the food sample in the liquid storage tank 1 and ensuring its long-term freshness. Closing the valve 19 seals the space within the liquid storage tank 1. The condition of the sample inside the liquid storage tank 1 can be observed through the observation window. When installing the mounting sleeve 2 and its connected components, the slider 5 is inserted into the chute 6, so that the protrusion on the spring clip 7 engages with the mounting hole 8. The mounting hole 8 then engages the spring clip 7, securing the mounting sleeve 2 and its connected components.

[0036] Reference Figure 2 and Figure 3The sampling syringe includes a sampling tube 4, the outer wall of the sampling tube 4 is fixedly connected to the inner wall of the mounting sleeve 2, a piston rod 9 is slidably connected to the inside of the sampling tube 4, the bottom end of the sampling tube 4 is connected to a sampling needle 12 through a mounting assembly, and the end of the piston rod 9 close to the sampling needle 12 is fixedly connected to a piston head 10. The mounting assembly includes a connector 11, the interior of the connector 11 is hollow, the sampling needle 12 is fixedly connected to the side of the connector 11 away from the sampling tube 4, the end of the connector 11 close to the sampling tube 4 is provided with a thread, the side of the sampling tube 4 close to the sampling needle 12 is provided with a screw hole, and the end of the connector 11 close to the sampling tube 4 is threadedly connected to the inside of the screw hole. A plug-in 13 is fixedly connected to the outer periphery of the connector 11 close to the sampling tube 4, a slot is provided on the outer periphery of the screw hole, and a spring 14 is provided inside the slot.

[0037] Specifically, the piston head 10 is made of soft rubber. The piston head 10 can fill the gap between the piston rod 9 and the sampling tube 4, and then after the piston head 10 is pushed to the end of the sampling tube 4, the air inside is discharged, and the interior becomes a vacuum state. Then, when extracting samples, the air contained in the sample can be reduced, thereby improving the accuracy of the work. Some samples contain large particles inside, and the small sampling needle 12 cannot sample them. The sampling needle 12 can be replaced by disassembling and assembling the connector 11, so as to adapt to different samples and sample them. After the connector 11 is installed on the sampling tube 4, the plug-in 13 is installed in the slot, and the spring 14 can press the plug-in 13 tightly, and then press the connector 11 tightly, so that the friction between the thread of the connector 11 and the thread of the sampling tube 4 increases, thereby increasing the stability of the connection between the sampling tube 4 and the connector 11.

[0038] Example 2:

[0039] Reference Figure 1 、 Figure 4 and Figure 5An isolated food quality inspection and sampling device includes a liquid storage tank 1 having a cavity therein. A plurality of mounting sleeves 2 are fixedly connected to the top side of the liquid storage tank 1. The mounting sleeves 2 are slidably connected to the interior of the mounting sleeves 2 via a sliding assembly. Spring clips 7 are provided at both the front and rear ends of the outer wall of the mounting sleeve 2. Mounting holes 8 are provided at both the front and rear ends of the outer wall of the mounting sleeve 2. A protrusion is fixedly connected to the outer wall of the spring clip 7. The spring clip 7 engages with the mounting hole 8 via the protrusion. A sampling syringe is installed inside the mounting sleeve 2. A rubber membrane 15 is fixedly connected to the bottom side of the inner wall of the mounting sleeve 2. A small hole is provided in the center of the rubber membrane 15. The sliding assembly includes two slides 5 and two slide grooves 6. The two slides 5 are fixedly connected to one end of the outer wall of the mounting sleeve 2 and the other end of the outer wall of the mounting sleeve 2, respectively. The two slide grooves 6 are provided at one end of the inner wall of the mounting sleeve 2 and the other end of the inner wall of the mounting sleeve 2, respectively. An input port 18 is fixedly connected to the upper side of one side of the outer wall of the liquid storage tank 1 , a valve 19 is installed on the outer wall of the input port 18 , and an observation window is provided on the other side of the outer wall of the liquid storage tank 1 .

[0040] Specifically, the top side of the liquid storage tank 1 can be opened to facilitate the injection of test samples. By installing the slide 5 into the slide groove 6, the slide 5 limits the installation sleeve 2, thereby preventing the installation inner ring 3 from rotating to avoid affecting the work. Nitrogen is injected into the interior of the liquid storage tank 1 through the input port 18, thereby inhibiting the bacteria in the liquid storage tank 1 and inactivating them, reducing the deterioration rate of the food sample in the liquid storage tank 1, and allowing it to remain fresh for a long time. The space of the liquid storage tank 1 is sealed by closing the valve 19. The condition of the sample inside the liquid storage tank 1 can be observed through the observation window. When installing the installation sleeve 2 together with the components connected to the installation inner ring 3, align the slide 5 with the slide groove 6 and insert it, so that the protrusion on the spring 7 is stuck in the installation hole 8, so that the installation hole 8 can clamp the spring 7, and then fix the installation sleeve 2 together with the components connected to it.

[0041] Reference Figure 5 A cover 16 is fixedly connected to the top side of the mounting sleeve 2 , and a rubber ring 17 is fixedly connected to the outer periphery of the bottom side of the cover 16 .

[0042] Specifically, the rubber ring 17 can block the gap between the cover 16 and the mounting sleeve 2, thereby preventing air from entering the liquid storage tank 1. After obtaining the sample, the liquid storage tank 1 needs to be isolated. After nitrogen is filled into the interior, the mounting sleeve 2 is installed into the mounting sleeve 2 to seal the opening of the device to prevent air from entering and affecting the sample.

[0043] Working principle: When installing the mounting sleeve 2 together with the parts connected to the mounting inner ring 3, align the slide 6 and insert the slide 5, so that the protrusion on the spring piece 7 is stuck in the mounting hole 8, and then the mounting hole 8 can lock the spring piece 7, and then fix the mounting sleeve 2 together with the parts connected thereto, so that the sampling tube 4 is installed on the top side of the liquid storage tank 1, and repeat the above steps to install each sampling tube 4 together with the parts connected thereto into the interior of the mounting sleeve 2, so as to install multiple sampling syringes to sample the sample in the liquid storage tank 1. When the sampling needle 12 needs to be replaced, the connector 11 is installed on the sampling tube 4 by rotating, and the plug-in 13 is installed into the slot. The spring 14 can tighten the plug-in 13, and then tighten the connector 11, so that the friction between the thread of the connector 11 and the thread of the sampling tube 4 is increased, thereby increasing the stability of the connection between the sampling tube 4 and the connector 11.

[0044] When the sample is just obtained, the mounting inner ring 3 is installed into the mounting outer sleeve 2 in the above-mentioned manner, and then the cover 16 is installed at the opening at the top of the mounting outer sleeve 2 to seal the liquid storage tank 1 to prevent air from entering the liquid storage tank 1 when the device needs to be transported after sampling is completed.

[0045] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An isolated food quality detection sampling device, comprising a liquid storage tank (1), characterized in that: The liquid storage tank (1) has a cavity inside, and a plurality of mounting sleeves (2) are fixedly connected to the top side of the liquid storage tank (1). The mounting sleeve (2) is slidably connected to a mounting inner ring (3) inside through a sliding assembly. The outer wall of the mounting inner ring (3) is provided with spring plates (7) at both front and rear ends, and the outer wall of the mounting sleeve (2) is provided with mounting holes (8) at both front and rear ends. The outer wall of the spring plates (7) is fixedly connected with a protrusion, and the spring plates (7) are snap-fitted with the mounting holes (8) through the protrusion. A sampling syringe is installed inside the mounting inner ring (3), and a rubber membrane (15) is fixedly connected to the bottom side of the inner wall of the mounting sleeve (2). A small hole is provided in the center of the rubber membrane (15).

2. The isolated food quality detection sampling device according to claim 1 is characterized in that: The sampling syringe comprises a sampling tube (4), the outer wall of the sampling tube (4) is fixedly connected to the inner wall of the mounting inner ring (3), a piston rod (9) is slidably connected inside the sampling tube (4), the bottom end of the sampling tube (4) is connected to a sampling needle (12) via a mounting assembly, and the end of the piston rod (9) close to the sampling needle (12) is fixedly connected to a piston head (10).

3. The isolated food quality detection sampling device according to claim 2 is characterized in that: The mounting assembly comprises a connector (11), the interior of the connector (11) is hollow, the sampling needle (12) is fixedly connected to a side of the connector (11) away from the sampling tube (4), an end of the connector (11) close to the sampling tube (4) is provided with a thread, a side of the sampling tube (4) close to the sampling needle (12) is provided with a screw hole, and an end of the connector (11) close to the sampling tube (4) is threadedly connected to the inside of the screw hole.

4. The isolated food quality detection sampling device according to claim 3 is characterized in that: A plug-in unit (13) is fixedly connected to the outer periphery of the connector (11) close to the sampling tube (4), a slot is provided on the outer periphery of the screw hole, and a spring (14) is arranged inside the slot.

5. The isolated food quality detection sampling device according to claim 4 is characterized in that: The sliding assembly comprises two sliding members (5) and two sliding grooves (6), wherein the two sliding members (5) are respectively fixedly connected to one end of the outer wall of the inner ring (3) and the other end of the outer wall of the inner ring (3), and the two sliding grooves (6) are respectively opened at one end of the inner wall of the outer sleeve (2) and the other end of the inner wall of the outer sleeve (2).

6. The isolated food quality detection sampling device according to claim 1, characterized in that: The top side of the installation sleeve (2) is also fixedly connected to a cover (16), and the outer periphery of the bottom side of the cover (16) is fixedly connected to a rubber ring (17).

7. An isolated food quality detection sampling device according to any one of claims 5 or 6, characterized in that: An input port (18) is fixedly connected to the upper side of one side of the outer wall of the liquid storage tank (1), a valve (19) is installed on the outer wall of the input port (18), and an observation window is arranged on the other side of the outer wall of the liquid storage tank (1).

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