Miniature quantitative sampling instrument

Abstract

The utility model relates to the technical field of cosmetic inspection, and discloses a miniature quantitative sampling instrument which comprises a sampling barrel, an adjusting mechanism is arranged outside the sampling barrel, a quantitative extraction mechanism is arranged in the sampling barrel, the adjusting mechanism comprises a fixing seat, a fixing groove is formed in the top of the fixing seat, and a sampling rod is arranged in the fixing groove. The miniature quantitative sampling instrument comprises a fixed seat, a fixed groove is formed in the fixed seat, a first two-way screw rod is rotationally connected to the inner side of the fixed groove, two adjusting blocks are connected into external threads of the first two-way screw rod, a clamping seat is fixedly connected to the tops of the adjusting blocks, a through hole is formed in the middle of the fixed seat, and a fixed assembly is arranged at the bottom of the fixed seat. The hose penetrates through the through hole in the middle of the fixing seat, and after the required length of the hose is achieved, the two clamping seats move oppositely and move towards the hose, so that the two clamping seats can clamp the hose in the arc-shaped grooves of the clamping seats, the hose is fixed, and the effect of adapting to cosmetic packaging bottles with different heights is achieved.

Description

Technical Field

[0001] This utility model relates to the field of cosmetic testing technology, specifically a miniature quantitative sampler. Background Technology

[0002] Cosmetics are preparations (excluding soap) used on the human body to beautify, preserve, or alter a person's appearance (e.g., for performance purposes), or to cleanse, dye, wipe, correct, or protect the skin, hair, nails, eyes, or teeth. During the production of cosmetics, in order to ensure the quality of cosmetics, it is necessary to inspect them, and samples need to be taken during the inspection.

[0003] According to Chinese Patent Publication No. CN 221765008 U, a cosmetic testing quantitative sampling device includes a sampling tube, a piston, a cover plate, and clamping plates. This invention features a piston inside the sampling tube, a cover plate installed at the bottom of a first flexible tube, and fixed plates on both sides of the cover plate. A knob and a threaded rod are rotatably connected between the two fixed plates. Two clamping plates are symmetrically arranged between the two fixed plates, and threaded holes are opened on the side walls of the clamping plates. The threaded rod rotates through the threaded holes. By moving the cover plate to the opening of the cosmetic packaging bottle, the second flexible tube extends into the cosmetic packaging. Rotating the knob and the threaded rod causes the two clamping plates to move closer together and clamp the cosmetic bottle opening. During sampling, shaking the sampling tube by hand will not cause the second flexible tube to move inside the cosmetic packaging, thus affecting the sampling effect.

[0004] However, when the above-mentioned existing technology is used, the length of the hose at one end of the cover is fixed, and the sample is only sucked up by negative pressure. When the amount of cosmetics is small and located at the bottom of the container, it is difficult to suck them up by negative pressure, which makes the device have certain limitations. Utility Model Content

[0005] The purpose of this utility model is to provide a miniature quantitative sampler to solve the problem mentioned in the background art that when the existing technology is used, the length of the hose at one end of the cover plate is fixed, and the sample is only drawn by negative pressure. When the amount of cosmetics is small and located at the bottom of the container, it is difficult to draw the sample by negative pressure, which makes the device have certain limitations.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a miniature quantitative sampler, including a sampling tube, an adjustment mechanism provided on the outside of the sampling tube, and a quantitative extraction mechanism inside the sampling tube;

[0007] The adjustment mechanism includes a fixed base, the top of which is fitted with a fixed groove, the inner side of which is rotatably connected to a first bidirectional lead screw, the outer thread of which is connected to two adjusting blocks, the top of which is fixedly connected to a clamping seat, the middle of which is provided with a through hole, and the bottom of which is provided with a fixing component.

[0008] Preferably, the fixing component includes a second bidirectional lead screw, the external thread of which is connected to a fixing clamp, and one end of the fixing clamp is provided with a limit rod.

[0009] Preferably, a flexible tube is installed at one end of the sampling tube, a slider is fixedly connected to the bottom of the clamping seat, one end of the slider is slidably connected to the top of the fixed seat, and one end of the clamping seat is set to be arc-shaped, the size of the arc being adapted to the thickness of the flexible tube.

[0010] Preferably, the second bidirectional lead screw is rotatably connected to the inside of the fixed seat, and one end of the limiting rod is fixedly connected to the inside of the fixed seat.

[0011] Preferably, the quantitative extraction mechanism includes a piston and a scale. One end of the piston is fixedly connected to an extraction rod, and a positioning block is fixedly connected to the outside of the extraction rod. One end of the scale is provided with a positioning plate, and one end of the positioning plate is fixedly connected to a positioning seat. A third lead screw is threadedly connected to the middle of the positioning seat, and a positioning frame is installed on the outside of the third lead screw.

[0012] Preferably, the piston is installed inside the sampling cylinder, and the scale is set on the outer wall of the sampling cylinder.

[0013] Preferably, the positioning plate is concave, and the positioning frame is fixedly connected to the outside of the sampling tube.

[0014] Compared with the prior art, the beneficial effects achieved by this utility model are:

[0015] First, this utility model involves removing the fixing seat from the housing, then passing the hose through the through hole in the middle of the fixing seat. Once the desired hose length is reached, rotating the rotating block outside the first bidirectional lead screw causes the first bidirectional lead screw to rotate, which in turn causes the two adjusting blocks to move towards each other, thereby causing the two clamping seats to move towards each other and towards the hose. The sliding connection between the slider at the bottom of the clamping seat and the fixing seat improves the stability of the clamping seats. The combined size of the arcs at one end of the two clamping seats is adapted to the thickness of the hose, allowing the two clamping seats to hold the hose securely. The tubing is secured within the arc-shaped groove of the base. The tubing is then inserted into the cosmetic bottle. Rotating the rotating block outside the second bidirectional screw causes the screw to rotate, moving the two fixing clamps towards each other. The clamps are then held at the bottle opening by a limiting rod to prevent them from shifting. This ensures that shaking the sampling tube during sampling will not cause the tubing to move inside the cosmetic bottle, allowing for easy adjustment of the tubing length to accommodate bottles of varying heights.

[0016] Secondly, this utility model extracts the required amount of cosmetics by rotating the rotating block at the top of the third lead screw inside the positioning frame. This rotation drives the third lead screw to rotate, which in turn moves the positioning plate upwards. One end of the positioning plate aligns with the scale until the bottom of the positioning plate matches the desired sampling scale position. Then, the operator pulls the extraction rod to drive the piston, thereby extracting the cosmetics. This continues until the positioning block outside the extraction rod aligns with the top of the inner side of the positioning plate, preventing the extraction rod from being pulled any further, thus completing the quantitative sampling operation. This effectively avoids the inaccuracy caused by manual shaking during extraction. Attached Figure Description

[0017] Figure 1 This is a perspective view of the entire utility model;

[0018] Figure 2 This is a perspective view of the quantitative extraction mechanism of this utility model;

[0019] Figure 3 This is a side sectional view of the fixing seat of this utility model;

[0020] Figure 4 This is a top sectional view of the sampling cylinder of this utility model.

[0021] The components are as follows: 1. Sampling cylinder; 2. Adjustment mechanism; 3. Quantitative extraction mechanism; 12. Tube; 21. Fixing seat; 22. Fixing groove; 23. First bidirectional lead screw; 24. Adjustment block; 25. Clamping seat; 26. Fixing assembly; 27. Second bidirectional lead screw; 28. Fixing clamp; 29. ​​Limiting rod; 201. Slider; 31. Piston; 32. Scale; 33. Extraction rod; 34. Positioning block; 35. Positioning plate; 36. Positioning seat; 37. Third lead screw; 38. Positioning frame. Detailed Implementation

[0022] 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.

[0023] This utility model provides the following technical solution:

[0024] Example 1

[0025] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 A miniature quantitative sampler includes a sampling cylinder 1, an adjustment mechanism 2 on the outside of the sampling cylinder 1, and a quantitative extraction mechanism 3 inside the sampling cylinder 1.

[0026] The adjustment mechanism 2 includes a fixed base 21. A fixed groove 22 is installed on the top of the fixed base 21. A first bidirectional lead screw 23 is rotatably connected to the inner side of the fixed groove 22. Two adjusting blocks 24 are connected to the external threads of the first bidirectional lead screw 23. A clamping seat 25 is fixedly connected to the top of the adjusting block 24. A through hole is opened in the middle of the fixed base 21. A fixing component 26 is provided at the bottom of the fixed base 21.

[0027] The fixing assembly 26 includes a second bidirectional lead screw 27, which is externally threaded with a fixing clip 28, and a limit rod 29 is provided at one end of the fixing clip 28.

[0028] A flexible tube 12 is installed at one end of the sampling tube 1, and a slider 201 is fixedly connected to the bottom of the clamping seat 25. One end of the slider 201 is slidably connected to the top of the fixed seat 21. One end of the clamping seat 25 is set to be arc-shaped, and the size of the arc is adapted to the thickness of the flexible tube 12.

[0029] The second bidirectional lead screw 27 is rotatably connected to the inside of the fixed base 21, and one end of the limiting rod 29 is fixedly connected to the inside of the fixed base 21.

[0030] Through the above technical solution, the hose 12 is passed through the through hole in the middle of the fixed seat 21. When the required hose 12 length is reached, the rotating block outside the first bidirectional lead screw 23 is rotated, causing the first bidirectional lead screw 23 to rotate. This, in turn, causes the two adjusting blocks 24 to move towards each other, thereby causing the two clamping seats 25 to move towards each other and towards the hose 12. The slider 201 at the bottom of the clamping seat 25 is slidably connected to the fixed seat 21, improving the stability of the clamping seat 25. The combined size of the arcs at one end of the two clamping seats 25 is adapted to the thickness of the hose 12, so that the two clamping seats 25 can clamp the hose 12 in the clamping seat 21. Within the arc-shaped groove of section 5, the flexible tube 12 is fixed. Then, the flexible tube 12 is inserted into the cosmetic packaging bottle. By rotating the rotating block outside the second bidirectional screw 27, the second bidirectional screw 27 is rotated, which in turn causes the two fixing clamps 28 to move towards each other, so that the fixing clamps 28 are clamped at the bottle mouth. The fixing clamps 28 are limited by the limiting rod 29 to prevent the fixing clamps 28 from shifting. This ensures that when the sampling tube 1 is shaken by hand during sampling, the flexible tube 12 will not move inside the cosmetic packaging. This allows for easy adjustment of the length of the flexible tube 12 according to the height of the cosmetic packaging bottle, making it suitable for cosmetic packaging bottles of different heights.

[0031] Example 2

[0032] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 Furthermore, based on Embodiment 1, the following is obtained: the quantitative extraction mechanism 3 includes a piston 31 and a scale 32. One end of the piston 31 is fixedly connected to an extraction rod 33, and a positioning block 34 is fixedly connected to the outside of the extraction rod 33. One end of the scale 32 is provided with a positioning plate 35, and one end of the positioning plate 35 is fixedly connected to a positioning seat 36. A third lead screw 37 is threadedly connected to the middle of the positioning seat 36, and a positioning frame 38 is installed on the outside of the third lead screw 37.

[0033] The piston 31 is installed inside the sampling cylinder 1, and the scale 32 is set on the outer wall of the sampling cylinder 1.

[0034] The positioning plate 35 is concave, and the positioning frame 38 is fixedly connected to the outside of the sampling cylinder 1.

[0035] The above technical solution allows for the extraction of cosmetics based on required quantities. By rotating the rotating block at the top of the third lead screw 37 inside the positioning frame 38, the third lead screw 37 rotates, causing the positioning plate 35 to move upwards. One end of the positioning plate 35 aligns with the scale 32 until the bottom of the positioning plate 35 matches the desired sampling scale 32. Then, the operator pulls the extraction rod 33, which drives the piston 31 to extract the cosmetics. This continues until the positioning block 34 outside the extraction rod 33 aligns with the top of the inner side of the positioning plate 35, preventing further pulling of the extraction rod 33 and completing the quantitative sampling operation. This method avoids the inability to ensure extraction accuracy due to manual shaking during extraction.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made to these embodiments without departing from the principles and spirit, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A miniature quantitative sampler, comprising a sampling tube (1), characterized in that: An adjustment mechanism (2) is provided on the outside of the sampling tube (1), and a quantitative extraction mechanism (3) is provided inside the sampling tube (1); The adjustment mechanism (2) includes a fixed base (21), the top of which is provided with a fixed groove (22), the inner side of which is rotatably connected to a first bidirectional lead screw (23), the outer thread of which is connected to two adjusting blocks (24), the top of which is fixedly connected to a clamping seat (25), the middle of which is provided with a through hole, and the bottom of which is provided with a fixing component (26).

2. The miniature quantitative sampler according to claim 1, characterized in that: The fixing component (26) includes a second bidirectional lead screw (27), and the external thread of the second bidirectional lead screw (27) is connected to a fixing clamp (28), and a limit rod (29) is provided at one end of the fixing clamp (28).

3. The miniature quantitative sampler according to claim 1, characterized in that: One end of the sampling tube (1) is equipped with a flexible tube (12), and a slider (201) is fixedly connected to the bottom of the clamping seat (25). One end of the slider (201) is slidably connected to the top of the fixed seat (21). One end of the clamping seat (25) is set to be arc-shaped, and the size of the arc is adapted to the thickness of the flexible tube (12).

4. A miniature quantitative sampler according to claim 2, characterized in that: The second bidirectional lead screw (27) is rotatably connected to the inside of the fixed seat (21), and one end of the limiting rod (29) is fixedly connected to the inside of the fixed seat (21).

5. A miniature quantitative sampler according to claim 1, characterized in that: The quantitative extraction mechanism (3) includes a piston (31) and a scale (32). One end of the piston (31) is fixedly connected to an extraction rod (33). A positioning block (34) is fixedly connected to the outside of the extraction rod (33). A positioning plate (35) is provided at one end of the scale (32). A positioning seat (36) is fixedly connected to one end of the positioning plate (35). A third lead screw (37) is threadedly connected to the middle of the positioning seat (36). A positioning frame (38) is installed on the outside of the third lead screw (37).

6. A miniature quantitative sampler according to claim 5, characterized in that: The piston (31) is installed inside the sampling cylinder (1), and the scale (32) is set on the outer wall of the sampling cylinder (1).

7. A miniature quantitative sampler according to claim 5, characterized in that: The positioning plate (35) is concave, and the positioning frame (38) is fixedly connected to the outside of the sampling tube (1).

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