High-precision food detection sampler

By designing a high-precision food sampling device with labor-saving and protective mechanisms, the problems of time-consuming, labor-intensive, and low-precision sampling of viscous liquids have been solved, achieving efficient and accurate sampling and protection effects.

CN223727470UActive Publication Date: 2025-12-26QINGDAO SHUNCHANG TESTING & EVALUATION CO LTD
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Patent Information

Application Number
CN202423268515.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-26
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing food testing samplers are time-consuming and labor-intensive when extracting viscous liquids, and cannot accurately control the extraction volume, resulting in low work efficiency and reduced accuracy.

Method used

A high-precision food testing sampler including a labor-saving mechanism and a protective mechanism was designed. The labor-saving mechanism realizes the labor-saving extraction of the piston rod through a bidirectional threaded rod and a handwheel, while the protective mechanism prevents foreign objects from entering the needle tube through a protective shell and a locking block.

Benefits of technology

It improves the efficiency and accuracy of sampling viscous liquids, prevents foreign objects from entering the needle tube, and enhances the practicality of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high-precision food detection sampler which comprises a needle cylinder, a top cover is arranged at the top of the needle cylinder, a movable rod is slidably connected to the interior of the needle cylinder, a piston is fixedly connected to the bottom of the movable rod, a needle tube is fixedly connected to the bottom of the needle cylinder, and two labor-saving mechanisms are arranged on the periphery of the needle cylinder. A protection mechanism is arranged on the outer side of the needle head tube. The utility model relates to the technical field of food detection. According to the high-precision food detection sampler, through the arrangement of the labor-saving mechanism, the situation that when viscous liquid is extracted, a large amount of force is needed for sample extraction due to the fact that the piston rod is sucked is avoided, then the operation difficulty of workers is lowered, the working efficiency of sampling is improved, meanwhile, through the arrangement of an indicating plate, the labor is saved, and the working efficiency is improved. According to the milk food sampling device, the indicating plate is arranged, so that a worker can intuitively observe the progress condition of extracted liquid through the indicating plate, the extraction amount is accurately controlled, and waste caused by excessive extraction and reduction of the sampling precision of milk food are avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to food detection technical field, concretely is a kind of high-precision food detection sampler. BACKGROUND

[0002] Food is the various for human consumption or drink by product and raw material, as the component part of human daily diet, and satisfy human body nutrition and health demand function, food detection sampler is an important tool specially used to collect sample from food.In the whole process of food detection, sampling is the extremely critical first step, since the variety of food, different forms, including solid (such as block meat, granular grain etc.), liquid (such as milk, juice etc.) and semi-solid (if sauce, yoghurt etc.) etc.Different types, which puts forward high requirement to sampling tool, and the existence of food detection sampler just solves these problems.

[0003] The existing sampler is generally equipped with a piston rod inside the extraction cylinder to extract the sample for sample detection operation when sampling liquid food, but when encountering some more viscous liquid samples, since the inlet of some extraction cylinders is relatively small, in this case, workers need to spend a lot of effort to extract the liquid, which is time-consuming and laborious, and further leads to a significant decrease in the work efficiency of sampling operation, and the extraction amount cannot be accurately controlled during sampling, which not only causes waste, but also reduces the precision of sampling of milk-like food.

[0004] Therefore, the utility model provides a kind of high-precision food detection sampler to solve the above problems. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a kind of high-precision food detection sampler, solve the above since the inlet of some extraction cylinders is relatively small, it is time-consuming and laborious when extracting, simultaneously during sampling, the extraction amount cannot be accurately controlled, which not only causes waste, but also reduces the precision of sampling of milk-like food.

[0006] To achieve the above purpose, the utility model is realized by the following technical scheme: a kind of high-precision food detection sampler, including needle cylinder, the needle cylinder top is provided with top cover, the needle cylinder inside is slidably connected with movable rod, the movable rod bottom is fixedly connected with piston, the needle cylinder bottom is fixedly connected with needle tube, the needle cylinder outer periphery is provided with two groups of labor-saving mechanism, the needle tube outside is provided with protection mechanism;

[0007] The labor-saving mechanism comprises a support plate, a connecting frame and a U-shaped rod, the support plate is fixedly connected to the outside of the needle cylinder, the connecting frame is fixedly connected to the outside of the movable rod, and the U-shaped rod is fixedly connected to the outside of the movable rod, two fixed plates are fixedly connected to the top of the support plate, a two-way threaded rod is rotatably connected between the two fixed plates, two threaded sleeves are threadedly connected to the middle of the two-way threaded rod, a connecting rod is arranged between the threaded sleeve and the connecting frame, and an indicating plate is fixedly connected to the outside of the U-shaped rod.

[0008] Preferably, the protection mechanism comprises a protective shell and two clamping blocks, the protective shell is slidably connected to the outside of the needle tube, the clamping blocks are fixedly connected to the outside of the needle tube, L-shaped grooves are formed in the inner wall of the protective shell, springs are arranged in the protective shell, and the blocking blocks are slidably connected to the inside of the protective shell.

[0009] Preferably, one end of the bottom of the U-shaped rod is slidably connected to the inside of the needle cylinder, and the inside of the indicating plate is slidably connected to the outer wall of the needle cylinder.

[0010] Preferably, the outside of the piston is slidably connected to the inside of the needle cylinder, and the bottom of the indicating plate is aligned with the position of the piston.

[0011] Preferably, one end of the connecting rod is rotatably connected to the bottom of the connecting frame, and the other end of the connecting rod is rotatably connected to the top of the threaded sleeve.

[0012] Preferably, one end of the two-way threaded rod is fixedly connected with a hand wheel.

[0013] Preferably, one end of the spring is fixedly connected to the bottom of the blocking block, and the other end of the spring is fixedly connected to the inside of the protective shell.

[0014] Preferably, the outside of the clamping block is slidably connected to the inside of the L-shaped groove, the outside of the blocking block is slidably connected to the inside of the clamping block, and the top of the blocking block is arc-shaped on both sides.

[0015] Beneficial effects

[0016] The utility model provides a kind of high-precision food detection sampler.Compared with prior art, it has the following beneficial effects:

[0017] (1), the high-precision food detection sampler, by the labor-saving mechanism being set, when extracting viscous liquid, the piston rod is not absorbed and needs more force to extract sample, to reduce the operation difficulty of staff, improve the sampling work efficiency, the indicating plate is set, so that staff can intuitively observe the progress of extracting liquid through the indicating plate, to accurately control the amount of extraction, avoid extracting too much, cause waste and reduce the precision of sampling on milk food.

[0018] (2) The high-precision food testing sampler has a protective mechanism that provides good protection for the needle tube during the sampler's idle period, preventing foreign objects from entering the needle tube, thus facilitating the sampler's next use and improving the device's practicality. Attached Figure Description

[0019] Figure 1 This is a perspective view of the external structure of this utility model;

[0020] Figure 2 This is a top view of the internal structure of the syringe of this utility model;

[0021] Figure 3 This is a breakdown diagram of the internal structure of the protective mechanism of this utility model;

[0022] Figure 4 This is the utility model Figure 1 Enlarged view of point A in the middle;

[0023] Figure 5 This is the utility model Figure 3 Enlarged diagram of point B in the middle.

[0024] In the diagram: 1. Syringe; 2. Top cap; 3. Movable rod; 4. Piston; 5. Needle tube; 6. Force-saving mechanism; 61. Support plate; 62. Connecting frame; 63. U-shaped rod; 64. Fixing plate; 65. Bidirectional threaded rod; 66. Threaded sleeve; 67. Connecting rod; 68. Indicator plate; 69. Handwheel; 7. Protective mechanism; 71. Protective shell; 72. Locking block; 73. L-shaped groove; 74. Spring; 75. Stop block. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example 1:

[0027] Please see Figure 1 , Figure 2 and Figure 4 A high-precision food testing sampler includes a syringe 1, a top cover 2 on the top of the syringe 1, a movable rod 3 slidably connected inside the syringe 1, a piston 4 fixedly connected to the bottom of the movable rod 3, a needle tube 5 fixedly connected to the bottom of the syringe 1, two sets of force-saving mechanisms 6 on the outer periphery of the syringe 1, and a protective mechanism 7 on the outer side of the needle tube 5.

[0028] The labor-saving mechanism 6 comprises a support plate 61, a connecting frame 62 and a U-shaped rod 63, the inner side of the support plate 61 is fixedly connected to the outer side of the needle cylinder 1, the inner side of the connecting frame 62 is fixedly connected to the outer side of the movable rod 3, the inner side of the U-shaped rod 63 is fixedly connected to the outer side of the movable rod 3, two fixed plates 64 are fixedly connected to the top of the support plate 61, a bidirectional threaded rod 65 is rotatably connected between the two fixed plates 64, two threaded sleeves 66 are threadedly connected to the middle of the bidirectional threaded rod 65, a connecting rod 67 is arranged between the threaded sleeves 66 and the connecting frame 62, and an indicating plate 68 is fixedly connected to the outer side of the U-shaped rod 63.

[0029] The purpose of this arrangement is that, in use, the hand wheel 69 is rotated to drive the bidirectional threaded rod 65 to rotate, thereby achieving the effect of driving the relative movement of the two threaded sleeves 66, the movement of the threaded sleeves 66 drives the connecting rod 67 to rotate, the connecting rod 67 rotates to drive the connecting frame 62 to move upward, thereby driving the movable rod 3 to lift, the movable rod 3 can drive the piston 4 to rise, and the labor required to extract the sample is reduced when extracting viscous liquid because the piston 4 rod is not sucked, the movable rod 3 moves synchronously with the U-shaped rod 63, the movement of the U-shaped plate drives the indicating plate 68 to slide on the scale on the outer surface of the needle cylinder 1, so that the worker can intuitively observe the progress of the liquid extraction through the indicating plate 68, thereby accurately controlling the amount of extraction, and when the extracted liquid needs to be discharged, the reverse operation can be performed.

[0030] Preferably, one end of the bottom of the U-shaped rod 63 is slidably connected to the inside of the needle cylinder 1, and the inner side of the indicating plate 68 is slidably connected to the outer wall of the needle cylinder 1, the purpose of this arrangement is that the U-shaped rod 63 is slidably connected to the needle cylinder 1, so that the U-shaped rod 63 moves more stably, and the movement of the indicating plate 68 can be more conveniently observed, and the indicating plate 68 and the needle cylinder 1 are slidably connected, so that the worker can observe the amount of liquid extraction through the indicating plate 68.

[0031] Preferably, the outer side of the piston 4 is slidably connected to the inner side of the needle cylinder 1, and the indicating plate 68 is flush with the bottom position of the piston 4, the purpose of this arrangement is that the piston 4 is slidably connected to the needle cylinder 1, so that the piston 4 can stably slide, and the indicating plate 68 and the piston 4 are flush, so that the worker can observe the amount of sample extraction at any time.

[0032] Preferably, one end of the connecting rod 67 is rotatably connected to the bottom of the connecting frame 62, and the other end of the connecting rod 67 is rotatably connected to the top of the threaded sleeve 66, the purpose of this arrangement is that the movement of the threaded sleeve 66 is transmitted to the connecting frame 62, thereby driving the movable rod 3 to move up and down.

[0033] Preferably, one end of the bidirectional threaded rod 65 is fixedly connected with a hand wheel 69, and the purpose of this arrangement is to provide a holding point for the staff.

[0034] Embodiment two:

[0035] Please refer to Figure 3 and Figure 5 , this embodiment provides a technical scheme on the basis of embodiment one: the protection mechanism 7 includes a protective shell 71 and two clamping blocks 72, the inner side of the protective shell 71 is slidingly connected to the outer side of the needle tube 5, the inner side of the clamping block 72 is fixedly connected to the outer side of the needle tube 5, two L-shaped grooves 73 are formed in the inner wall of the protective shell 71, two springs 74 are arranged inside the protective shell 71, and two stop blocks 75 are slidingly connected inside the protective shell 71.

[0036] The purpose of this arrangement is to rotate the protective shell 71, and the protective shell 71 drives the stop block 75 and the clamping block 72 to abut, because the stop block 75 is arc-shaped at both ends, the stop block 75 slides into the protective shell 71 and slides out of the clamping block 72, and the clamping block 72 is released. At this time, continue to rotate the protective shell 71, when you can't rotate, pull the needle cylinder 1 outwards to pull out the needle tube 5, at this time you can do sampling work, when the device is idle, put the protective shell 71 on the outside of the pillow tube, then align the clamping block 72 on the needle tube 5 with the L-shaped groove 73, so that the clamping block 72 slides into the L-shaped groove 73, then rotate the protective shell 71 to one side of the stop block 75, at this time the clamping block 72 will extrude the stop block 75, and the stop block 75 will compress the spring 74. When it moves to the innermost part of the L-shaped groove 73, the spring 74 will push the stop block 75 back to its original position, so that the stop block 75 slides into the clamping block 72 and is limited. It plays a good protective role on the needle tube 5 during the sampling device is idle, and prevents foreign matter from entering the needle tube 5.

[0037] Preferably, one end of the spring 74 is fixedly connected to the bottom of the stop block 75, and the other end of the spring 74 is fixedly connected to the inside of the protective shell 71. The purpose of this arrangement is to provide elastic force for the stop block 75 to reset.

[0038] Preferably, the outer side of the clamping block 72 is slidingly connected inside the L-shaped groove 73, the outer side of the stop block 75 is slidingly connected inside the clamping block 72, and the top of the stop block 75 is arc-shaped on both sides. The purpose of this arrangement is that the clamping block 72 is slidingly connected with the L-shaped groove 73, so that the clamping block 72 can slide stably, the stop block 75 is slidingly connected with the clamping block 72, so that the stop block 75 can limit the clamping block 72, so that the clamping block 72 can smoothly move to the deepest part of the L-shaped sliding groove when the protective shell 71 is installed, and the clamping block 72 can smoothly escape from the limitation of the stop block 75 and slide out of the L-shaped sliding groove when the protective shell 71 is disassembled.

[0039] Meanwhile, the contents not described in detail in the present specification are all the prior art known to those skilled in the art.

[0040] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying that there is any such actual relationship or order between these entities or actions. Moreover, the terms "comprises", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus that comprises a list of elements does not only include those elements, but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0041] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high precision food detection sampler comprising a needle cylinder (1), characterized in that: The needle cylinder (1) top is provided with a top cover (2), the needle cylinder (1) inside slidingly connected with a movable rod (3), the movable rod (3) bottom fixedly connected with a piston (4), the needle cylinder (1) bottom fixedly connected with a needle tube (5), the needle cylinder (1) periphery is provided with two groups of labor-saving mechanism (6), the needle tube (5) outside is provided with a protection mechanism (7). The labor-saving mechanism (6) includes a support plate (61), a connecting frame (62) and a U-shaped rod (63), the support plate (61) is fixedly connected to the outside of the needle cylinder (1), the connecting frame (62) is fixedly connected to the outside of the movable rod (3), the U-shaped rod (63) is fixedly connected to the outside of the movable rod (3), the support plate (61) top is fixedly connected with two fixed plates (64), two fixed plates (64) are rotatably connected with a bidirectional threaded rod (65), the bidirectional threaded rod (65) is threadedly connected with two threaded sleeves (66), the threaded sleeve (66) and the connecting frame (62) are provided with a connecting rod (67), the U-shaped rod (63) outside is fixedly connected with an indication plate (68).

2. The high precision food detection sampler of claim 1, wherein: The protection mechanism (7) includes a protection shell (71) and two clamping blocks (72), the protection shell (71) is slidably connected to the outside of the needle tube (5), the clamping block (72) is fixedly connected to the outside of the needle tube (5), the protection shell (71) inner wall is provided with two L-shaped grooves (73), the protection shell (71) is provided with two springs (74), the protection shell (71) is slidably connected with two stop blocks (75).

3. The high precision food detection sampler of claim 1, wherein: The U-shaped rod (63) bottom end is slidably connected in the needle cylinder (1), the indication plate (68) is slidably connected to the inner wall of the needle cylinder (1).

4. The high precision food inspection sampler of claim 1, wherein: The piston (4) is slidably connected to the inside of the needle cylinder (1), the indication plate (68) and the piston (4) bottom position are flush.

5. The high precision food inspection sampler of claim 1, wherein: The connecting rod (67) one end is rotatably connected to the bottom of the connecting frame (62), the other end of the connecting rod (67) is rotatably connected to the top of the threaded sleeve (66).

6. The high precision food inspection sampler of claim 1, wherein: The bidirectional threaded rod (65) one end is fixedly connected with a hand wheel (69).

7. The high precision food inspection sampler of claim 2, wherein: The spring (74) one end is fixedly connected to the bottom of the stop block (75), the other end of the spring (74) is fixedly connected to the inside of the protection shell (71).

8. The high precision food inspection sampler of claim 2, wherein: The clamping block (72) is slidably connected to the inside of the L-shaped groove (73), the stop block (75) is slidably connected to the inside of the clamping block (72), the stop block (75) top is arc-shaped on both sides.