Sample preparation device for food safety detection

By incorporating a quick-release mechanism and shock-absorbing components, the design solves the problems of vibration and noise in existing food grinding devices during prolonged use, enabling rapid disassembly and cleaning, and improving the stability and detection accuracy of the device.

CN224035044UActive Publication Date: 2026-03-24XIANGYANG ZHONGCHENG TESTING TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing food grinding equipment is susceptible to vibration and noise during long-term use, which leads to frequent maintenance and cleaning, affecting testing efficiency and accuracy. Furthermore, the noise is harmful to the health of operators.

Method used

The device employs a quick-release mechanism and shock-absorbing components. The movable chamber, base plate, and base are connected by connecting bolts. Combined with an absorption layer and a sealing cover, it enables quick disassembly and reduces vibration and noise, ensuring the stability and sealing of the device.

Benefits of technology

It enables rapid disassembly and cleaning of the device, reduces the impact of vibration and noise, improves the stability and service life of the equipment, and ensures the accuracy and safety of the sample preparation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sample preparation equipment, and discloses a sample preparation device for food safety detection, which comprises a base, a control device is arranged outside the base, a grinding mechanism is arranged inside the base, a quick release mechanism is arranged outside the base, and the quick release mechanism comprises a plurality of connecting bolts. The tops of the multiple connecting bolts are in threaded connection with the interior of the base, the bottoms of the multiple connecting bolts are in threaded connection with a bottom plate, the bottom of the bottom plate is fixedly connected with multiple damping assemblies used for damping, and the top of the base is fixedly connected with multiple mounting plates. According to the device, the movable bin, the bottom plate and the base are in threaded connection through the connecting bolts, so that when the movable bin needs to be mounted or dismounted, the movable bin can be mounted or dismounted relative to the base by rotating the connecting bolts, and therefore the whole device can be quickly dismounted, maintained and cleaned; and the influence generated when the internal device works is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sample preparation equipment technical field especially relates to a sample preparation device for food safety detection. BACKGROUND

[0002] Food safety refers to that food is non-toxic, harmless, meets the nutritional requirements, and does not cause any acute, subacute or chronic harm to human health. From a broader perspective, food safety also involves the safety protection of each link in the whole chain of food production, processing, storage, transportation, sales and consumption. The sample preparation device for food safety detection is a device for processing food samples for subsequent detection and analysis.

[0003] The existing food sample preparation device includes a food grinding sample preparation device, which is composed of a grinder, a protective shell and a data controller. The grinder, as the core component, drives the internal grinding assembly to make up-and-down reciprocating motion through a push rod motor. The large food is crushed and ground into uniform fine powder or paste by the collision and friction force between the internal device and the food sample, meeting the sample preparation particle size requirement. The protective shell surrounds the grinder and plays a physical protection role for the running grinder. The data controller is connected to the grinder, and the built-in program can accurately control the motor. The user inputs instructions through the controller panel. The controller adjusts the grinder working state in real time according to the preset program and user instructions, ensuring the stability and repeatability of the sample preparation process.

[0004] In the prior art, the internal structure of the food grinding device is easily affected by factors such as device operation and vibration during long-term continuous use, which requires frequent maintenance and cleaning of the equipment. This not only increases the workload of the operator, but also consumes a lot of time and effort. In addition, the normal operation of the sample preparation device may be affected due to untimely maintenance, which reduces the efficiency and accuracy of the detection work. The working components inside these devices generate a lot of vibration and noise during operation. The large vibration may cause the internal parts of the device to loosen, affecting the stability and service life of the equipment. The high-decibel noise not only disturbs the working environment of the operator, but also has adverse effects on his hearing and other health aspects. Therefore, a sample preparation device for food safety detection is proposed to solve the above problems. SUMMARY

[0005] To make up for the above shortcomings, the utility model provides a sample preparation device for food safety detection, aiming at improving the problem that the whole device needs to be frequently maintained and cleaned due to long-term use in the prior art, and the vibration and sound generated by the internal device during operation are large.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a food safety detection with sample preparation device, including base, the outside of base is provided with control device, the inside of base is provided with grinding mechanism, the outside of base is provided with quick release mechanism, quick release mechanism includes a plurality of connecting bolts, a plurality of the top of connecting bolt is connected in the inside of base, a plurality of the bottom of connecting bolt is connected with bottom plate, the bottom of bottom plate is fixedly connected with a plurality of shock absorption components for shock absorption, the top of base is fixedly connected with a plurality of mounting plates, a plurality of the top of connecting bolt is connected with movable bin, the inside of movable bin is fixedly connected with absorption layer, the top of movable bin is rotatably connected with sealing cover, the inside of sealing cover is fixedly connected with sealing layer,

[0008] As a further description of the above technical solutions:

[0009] The grinding mechanism includes a driving device, the driving device is fixedly connected to the inside of the base, the output end of the driving device is fixedly connected with a connecting rod, the connecting rod is fixedly connected with a clamping piece outside the connecting rod;

[0010] As a further description of the above technical solutions:

[0011] The connecting rod is slidably connected with a fixed box, the bottom of the fixed box is clamped on the top of the clamping piece, and the top of the fixed box is clamped with a top cover;

[0012] As a further description of the above technical solutions:

[0013] The inside of the fixed box is clamped with a plurality of sample tubes, the top of the plurality of sample tubes is clamped with a sealing plug, and the top of the sealing plug is supported on the bottom of the top cover;

[0014] As a further description of the above technical solutions:

[0015] The top of the connecting rod is threadedly connected with a fixing knob, and the fixing knob abuts against the top of the top cover;

[0016] As a further description of the above technical solutions:

[0017] The shock absorption component includes a plurality of fixed tubes, the top of the plurality of fixed tubes is fixedly connected to the bottom of the bottom plate, the bottom outer side of the fixed tube is slidably connected with a supporting leg, and the inside of the fixed tube is sleeved with a shock absorption spring;

[0018] As a further description of the above technical solutions:

[0019] The movable bin is clamped on the side of the mounting plate, and the movable bin is wrapped outside the grinding mechanism;

[0020] As a further description of the above technical solutions:

[0021] The bottom plate and the base are connected by the connecting bolt, and the movable bin and the base are connected by the connecting bolt.

[0022] The utility model has the advantages of the following:

[0023] 1、 the utility model discloses, through connecting bolt thread connection movable bin, bottom plate and base, make when need to install or dismount movable bin, rotate connecting bolt, can make movable bin install or dismount relative to base, reach quick -detach effect, through the absorption layer of movable bin interior can absorb internal structure work and produce sound and vibration, through the sealing layer in sealing cover cooperation with movable bin, play the sealing effect, prevent movable bin outside impurity and enter, guarantee the accuracy and safety of sample preparation process, thereby realize whole device can quick -detach maintenance and cleaning, and reduce the influence that internal device works.

[0024] 2、 the utility model discloses, under the cooperation of clamping piece and fixed box, make connecting rod drive fixed box movement not because device friction is not enough and make fixed box loose, cause sample grinding is not completely and grinds data mismatch, under the cooperation of top cap and fixed button, make sample tube and sealing plug in fixed box tightly connect, prevent because device operation produces the force and leads to sealing performance reduction, to solve the problem that when grinding device connects sample storage device, is not closely connected, leads to sample grinding degree and equipment grinding data have the problem of error. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a stereogram of the sample preparation device for food safety detection provided by the utility model;

[0026] Figure 2 It is a structure diagram of the fixed button of the sample preparation device for food safety detection provided by the utility model;

[0027] Figure 3 It is a structure diagram of the bottom plate of the sample preparation device for food safety detection provided by the utility model; Figure 2

[0028] Figure 4 It is a structure diagram of the connecting bolt of the sample preparation device for food safety detection provided by the utility model;

[0029] Figure 5 It is a structure diagram of the fixed box of the sample preparation device for food safety detection provided by the utility model;

[0030] Figure 6 It is a structure diagram of the fixed box of the sample preparation device for food safety detection provided by the utility model;

[0031] LEGEND: ​

[0032] 1, base; 2, control device; 3, grinding mechanism; 301, driving device; 302, connecting rod; 303, clamping piece; 304, fixed box; 305, sample tube; 306, sealing plug; 307, top cover; 308, fixing knob; 4, quick release mechanism; 401, bottom plate; 402, connecting bolt; 403, mounting plate; 404, fixed tube; 405, supporting leg; 406, shock absorbing spring; 407, movable bin; 408, absorbing layer; 409, sealing cover; 4010, sealing layer. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0034] Referring to Figure 1 An embodiment provided by the utility model: a sample preparation device for food safety detection, comprising a base 1, the outside of the base 1 is provided with a control device 2, the control device 2 is used for controlling the operation of the whole sample preparation device, the operating parameters of the grinding mechanism 3 can be set, the working state of the device can also be monitored, and the device can ensure sample preparation operation according to the preset requirements, the inside of the base 1 is provided with a grinding mechanism 3, the outside of the base 1 is provided with a quick release mechanism 4, and the base 1 provides support for the whole device;

[0035] Referring to Figures 2 to 4The quick disassembly mechanism 4 comprises a plurality of connecting bolts 402, the top of the connecting bolts 402 is screwed to the inside of the base 1, the connecting bolts 402 are used to connect the base 1, the bottom plate 401 and the movable bin 407, so that they become an integral whole, and facilitate the disassembly and assembly of the device, and facilitate the maintenance and replacement of parts, the bottom of the connecting bolts 402 is screwed with the bottom plate 401, the bottom plate 401 serves as a bottom support component of the device, and provides a mounting position for the damping assembly, the bottom of the bottom plate 401 is fixedly connected with a plurality of damping assemblies for damping, the damping assembly comprises a plurality of fixed pipes 404, the fixed pipes 404 serve as mounting carriers of damping springs 406, and are slidably connected with support feet 405, so as to provide expansion space for the damping springs 406 and ensure the damping effect, the top of the fixed pipes 404 is fixedly connected to the bottom of the bottom plate 401, the bottom outer side of the fixed pipes 404 is slidably connected with the support feet 405, the support feet 405 support the entire device and are in contact with the ground, so that the weight of the device is transmitted to the ground, and the damping function is realized by the sliding connection with the fixed pipes 404 and cooperation with the damping springs 406, the inside of the fixed pipes 404 is sleeved with the damping springs 406, the damping springs 406 absorb and buffer the vibration generated during the operation of the device, reduce the influence of the vibration on the device and the surrounding environment, and improve the stability and service life of the device;

[0036] The top of the base 1 is fixedly connected with a plurality of mounting plates 403, the mounting plates 403 provide mounting positions for the movable bin 407, and the movable bin 407 is fixed on the top of the base 1 through the clamping cooperation with the movable bin 407, and also plays a certain positioning role, the top of the plurality of connecting bolts 402 is screwed with the movable bin 407, the movable bin 407 is wrapped outside the grinding mechanism 3, plays a protection role, and can also reduce noise propagation, the inside of the movable bin 407 is fixedly connected with an absorption layer 408, the absorption layer 408 is used for absorbing noise generated by the grinding mechanism 3 and protecting the device, the top of the movable bin 407 is rotatably connected with a sealing cover 409, the sealing cover 409 seals the movable bin 407, prevents dust, impurities and the like from entering the inside of the movable bin 407, and can also further reduce noise propagation, the inside of the sealing cover 409 is fixedly connected with a sealing layer 4010, the sealing layer 4010 enhances the sealing performance of the sealing cover 409, prevents dust and impurities from entering, and also prevents noise from leaking from the connection between the sealing cover 409 and the movable bin 407, the movable bin 407 is clamped on the side close to the plurality of mounting plates 403, the movable bin 407 is wrapped outside the grinding mechanism 3, the bottom plate 401 and the base 1 are connected through the connecting bolts 402, and the movable bin 407 and the base 1 are connected through the connecting bolts 402.

[0037] Referring to Figures 4 to 6The grinding mechanism 3 comprises a driving device 301, which provides power for the grinding mechanism 3, generates up-and-down swinging operation, and makes the grinding device inside the sample tube 305 impact the sample to grind it to the required degree. The driving device 301 can be replaced with a rotating motor to generate centrifugal force through rotational force. The driving device 301 is fixedly connected to the inside of the base 1, and the output end of the driving device 301 is fixedly connected with a connecting rod 302. The connecting rod 302 transmits the power of the driving device 301 to the fixed box 304, so that the sample tube 305 can move together with the connecting rod 302 to realize the grinding function. The outside of the connecting rod 302 is fixedly connected with a clamping piece 303, which is used to fix the fixed box 304 and prevent the fixed box 304 from slipping or falling off during the movement of the connecting rod 302, so as to ensure the synchronous movement of the fixed box 304 and the connecting rod 302. The outside of the connecting rod 302 is slidably connected with the fixed box 304, which is used to place a plurality of sample tubes 305 and provide a stable fixing space for the sample tubes 305, so as to prevent the sample tubes 305 from colliding or shaking with each other during the grinding process. The bottom of the fixed box 304 is clamped on the top of the clamping piece 303.

[0038] The top of the fixed box 304 is clamped with a top cover 307, which further fixes the sample tube 305 and the sealing plug 306, prevents them from jumping out of the fixed box 304 during the grinding process, and also plays a certain protection role. The inside of the fixed box 304 is clamped with a plurality of sample tubes 305, which are used to contain food samples to be detected. During the grinding process, the samples in the sample tubes 305 will be ground to the required state with the movement of the device. The top of each of the plurality of sample tubes 305 is clamped with a sealing plug 306, which seals the sample tube 305 to prevent the sample from leaking during the grinding process, and also prevents foreign matter from entering the sample tube 305, ensuring the purity of the sample. The top of the sealing plug 306 is supported on the bottom of the top cover 307. The top of the connecting rod 302 is threadedly connected with a fixing knob 308, which is threadedly connected on the top of the connecting rod 302 and abuts against the top of the top cover 307, further fixing the top cover 307 and preventing the top cover 307 from loosening during the operation of the device. The top of the connecting rod 302 is threadedly connected with a fixing knob 308.

[0039] Working principle: open the control device 2, control device 2 receives the instruction, the electric signal transmission drive device 301, drive device 301 as power source, the electrical energy into mechanical energy, its output end drive connecting rod 302 start movement, connecting rod 302 on the card 303 with connecting rod 302 movement, because the fixed box 304 bottom card in the card 303 top, fixed box 304 also with the movement, fixed box 304 inside card with multiple sample tube 305, sample tube 305 in holding the food sample to be detected, sample tube 305 top card has sealing plug 306, prevent sample leakage and foreign matter into the top cover 307 card in fixed box 304 top, fixed button 308 thread connection in connecting rod 302 top and rest on the top cover 307, ensure the stability of the whole grinding parts, with the movement of the fixed box 304, sample tube 305 in the sample and tube wall and grinding medium friction, realize the grinding of sample, in the process of grinding, sample is gradually processed into the state suitable for detection, in the process of device operation, the activity bin 407 inside the absorption layer 408 can absorb the noise generated by grinding, sealing cover 409 inside the sealing layer 4010 enhances the sealing effect, reduces dust leakage and noise propagation, when the device produces vibration, the fixed tube 404 at the bottom of the bottom plate 401 in the support foot 405 sliding, so that the shock absorbing spring 406 stretch, absorb and buffer vibration energy, ensure the stability of the device operation, when the preset grinding time, control device 2 sends instruction to stop the operation of drive device 301, can be removed by unscrewing the fixed button 308 to take out the sample for detection, the bottom plate 401 through the connecting bolt 402 and base 1 connected, activity bin 407 also through the connecting bolt 402 and base 1 and bottom plate 401 connection, when the need for cleaning and replacement of internal grinding mechanism 3, can be unscrewed connecting bolt 402 so that the device is disassembled down operation.

[0040] Finally, it should be noted that: the above only for the preferred embodiments of the present application have, and not for limiting the present application, although the foregoing detailed description of the present application has been made, for the person skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A sample preparation device for food safety testing comprising a base (1) characterised in that: The outside of the base (1) is provided with a control device (2), the inside of the base (1) is provided with a grinding mechanism (3), and the outside of the base (1) is provided with a quick release mechanism (4); The quick release mechanism (4) comprises a plurality of connecting bolts (402), the top of the plurality of connecting bolts (402) is threadedly connected in the inside of the base (1), the bottom of the plurality of connecting bolts (402) is threadedly connected with a bottom plate (401), the bottom of the bottom plate (401) is fixedly connected with a plurality of damping components for damping, the top of the base (1) is fixedly connected with a plurality of mounting plates (403), the top of the plurality of connecting bolts (402) is threadedly connected with a movable bin (407), the inside of the movable bin (407) is fixedly connected with an absorbing layer (408), the top of the movable bin (407) is rotatably connected with a sealing cover (409), and the inside of the sealing cover (409) is fixedly connected with a sealing layer (4010).

2. The sample preparation device for food safety testing of claim 1, wherein: The grinding mechanism (3) comprises a driving device (301), the outside of the driving device (301) is fixedly connected in the inside of the base (1), the output end of the driving device (301) is fixedly connected with a connecting rod (302), and the outside of the connecting rod (302) is fixedly connected with a clamping piece (303).

3. The sample preparation device for food safety testing of claim 2, wherein: The outside of the connecting rod (302) is slidably connected with a fixed box (304), the bottom of the fixed box (304) is clamped on the top of the clamping piece (303), and the top of the fixed box (304) is clamped with a top cover (307).

4. The sample preparation device for food safety testing of claim 3, wherein: The inside of the fixed box (304) is clamped with a plurality of sample tubes (305), the top of the plurality of sample tubes (305) is clamped with a sealing plug (306), and the top of the sealing plug (306) is supported on the bottom of the top cover (307).

5. The sample preparation device for food safety testing of claim 4, wherein: The top of the connecting rod (302) is threadedly connected with a fixing knob (308), and the fixing knob (308) abuts against the top of the top cover (307).

6. The sample preparation device for food safety testing of claim 1, wherein: The damping component comprises a plurality of fixed pipes (404), the top of the plurality of fixed pipes (404) is fixedly connected to the bottom of the bottom plate (401), the bottom outer side of the fixed pipe (404) is slidably connected with a supporting leg (405), and the inside of the fixed pipe (404) is sleeved with a damping spring (406).

7. The sample preparation device for food safety testing of claim 1, wherein: The movable bin (407) is clamped on the side of the plurality of mounting plates (403), and the movable bin (407) is wrapped outside the grinding mechanism (3).

8. The sample preparation device for food safety testing of claim 1, wherein: The bottom plate (401) and the base (1) are connected through the connecting bolts (402), and the movable bin (407) and the base (1) are connected through the connecting bolts (402).