Sampler for liquid food detection

Abstract

The utility model discloses a sampler for liquid food detection, and relates to the technical field of food detection. Comprising a test tube body, a piston is slidably arranged in the test tube body, a push rod is fixedly arranged on the upper surface of the piston, the top of the push rod slidably penetrates through the top end of the test tube body and is arranged outside, a handle is fixedly arranged at the top end of the push rod, and a sampling tube is fixedly arranged at the bottom end of the test tube body; a connecting plate slidably sleeves the outside of the push rod, the bottom end of the connecting plate and the top end of the test tube body are fixedly mounted, and control rods distributed in a mirroring manner are fixedly arranged on the lower surface of the handle, so that the effect of fixing the piston can be achieved, and the piston is prevented from moving due to external force applied to the handle after quantitative sampling of liquid food is completed; liquid food in the test tube body is prevented from flowing out, so that detection personnel can normally detect the liquid food, and the detection quality of the liquid food is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of food detection, in particular to a sampler for liquid food detection. Background Art

[0002] Food testing is to detect harmful substances in food according to national indicators, mainly some harmful and toxic indicators, such as heavy metals, aflatoxin, etc. An important aspect of food science and engineering is to introduce and apply chemical unit operations and develop food engineering unit operations, so as to promote the development of the food industry in the direction of large-scale, continuous and automated. When testing liquid food, a sampler is needed to sample the liquid food for the convenience of testing the liquid food;

[0003] After the existing sampler completes the quantitative sampling of liquid food, the piston cannot be fixed. When the handle is subjected to external force, the handle will drive the piston to move through the push rod. During the movement, the piston will push out the liquid food in the test tube body, affecting the normal detection of liquid food by the detection personnel and reducing the detection accuracy of liquid food. Utility Model Content

[0004] In order to solve the problem that the piston cannot be fixed after quantitative sampling of liquid food is completed, the utility model aims to provide a sampler for liquid food detection.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: comprising a test tube body, a piston is slidably provided inside the test tube body, a push rod is fixedly provided on the upper surface of the piston, the top of the push rod slides through the top of the test tube body and is placed outside, a handle is fixedly provided on the top of the push rod, a sampling tube is fixedly provided at the bottom end of the test tube body, and a sampling head is provided directly below the sampling tube;

[0006] The outer sliding sleeve of the push rod is provided with a connecting plate, the bottom end of the connecting plate is fixedly mounted on the top end of the test tube body, the lower surface of the handle is fixedly provided with a control rod distributed in a mirror image, the control rod is provided with a plurality of fixing holes distributed in an array, the connecting plate is provided with springs distributed in a mirror image, the ends of the springs close to each other are fixedly provided with moving plates, the sides of the moving plates close to each other are fixedly provided with fixing blocks, the ends of the springs away from each other are fixedly mounted on the inner wall of the connecting plate, the connecting plate is provided with through grooves distributed in a mirror image, and the through grooves are used in conjunction with the control rods.

[0007] Preferably, a first fixing piece is fixedly provided at the bottom end of the sampling tube, a second fixing piece is fixedly provided at the top end of the sampling head, a second mounting groove is provided at the bottom of the first fixing piece, a first mounting groove is provided at the top of the second fixing piece, a filter plate is provided in both the first mounting groove and the second mounting groove, a threaded ring is fixedly provided at the top end of the second fixing piece, a threaded groove is provided at the bottom of the first fixing piece, and the threaded ring is used in conjunction with the threaded groove.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] 1. The present application can achieve the effect of fixing the piston, preventing the piston from moving due to external force on the handle after the quantitative sampling of liquid food is completed, thereby avoiding the liquid food in the test tube body from flowing out, allowing the test personnel to test the liquid food normally, and improving the quality of the test of liquid food.

[0010] 2. The present application can achieve the effect of filtering solid matter in liquid food, preventing the solid matter from entering the test tube body during the sampling process, thereby improving the sampling quality of liquid food. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a schematic diagram of the structure of the utility model.

[0013] Figure 2 It is a schematic diagram of the structure of the test tube body after being disassembled in the utility model.

[0014] Figure 3 It is a structural schematic diagram of the through slot and the control rod in the utility model.

[0015] Figure 4 It is a schematic diagram of the structure after the connecting plate in the utility model is disassembled.

[0016] Figure 5 It is a schematic diagram of the structure after the first fixing member in the utility model is disassembled.

[0017] Figure 6 It is a schematic diagram of the connection structure between the guide rod and the guide block in the utility model.

[0018] In the figure: 1, test tube body; 10, handle; 11, piston; 12, push rod; 13, sampling tube; 14, first fixing member; 15, second fixing member; 16, sampling head; 2, connecting plate; 21, control rod; 22, fixing hole; 23, spring; 24, moving plate; 25, fixing block; 26, through groove; 210, moving rod; 220, pull handle; 230, guide block; 240, guide rod; 3, filter plate; 31, first mounting groove; 32, second mounting groove; 33, threaded ring; 34, threaded groove; 4, connecting member; 41, positioning member; 42, positioning plate; 43, positioning groove; 5, sealing ring; 51, sealing groove; 6, positioning block. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example: Figure 1-6 As shown, the utility model provides a sampler for liquid food detection, comprising a test tube body 1, a piston 11 is slidably provided inside the test tube body 1, a push rod 12 is fixedly provided on the upper surface of the piston 11, the top of the push rod 12 slides through the top of the test tube body 1 and is placed outside, a handle 10 is fixedly provided on the top of the push rod 12, a sampling tube 13 is fixedly provided at the bottom end of the test tube body 1, and a sampling head 16 is provided directly below the sampling tube 13;

[0021] The outer sliding sleeve of the push rod 12 is provided with a connecting plate 2, the bottom end of the connecting plate 2 is fixedly installed with the top end of the test tube body 1, and the lower surface of the handle 10 is fixedly provided with a control rod 21 distributed in a mirror image. The control rod 21 is provided with a plurality of fixing holes 22 distributed in an array, and the connecting plate 2 is provided with a spring 23 distributed in a mirror image. The ends of the springs 23 close to each other are fixedly provided with a moving plate 24, and the sides of the moving plates 24 close to each other are fixedly provided with a fixing block 25, and the ends of the springs 23 away from each other are fixedly installed with the inner wall of the connecting plate 2, and the connecting plate 2 is provided with a through groove 26 distributed in a mirror image, and the through groove 26 is used in conjunction with the control rod 21.

[0022] The bottom end of the sampling tube 13 is fixed with a first fixing member 14, the top end of the sampling head 16 is fixed with a second fixing member 15, the bottom of the first fixing member 14 is provided with a second mounting groove 32, the top of the second fixing member 15 is provided with a first mounting groove 31, the first mounting groove 31 and the second mounting groove 32 are provided with a filter plate 3, the top end of the second fixing member 15 is fixed with a threaded ring 33, the bottom of the first fixing member 14 is provided with a threaded groove 34, and the threaded ring 33 and the threaded groove 34 are used in conjunction with each other; by setting the first fixing member 14, the second fixing member 15, ... The mounting groove 31, the second mounting groove 32, the threaded ring 33, and the threaded groove 34. When the filter plate 3 needs to be cleaned and replaced, the threaded ring 33 is driven to rotate by rotating the second fixing member 15. The threaded ring 33 gradually disengages from the threaded groove 34 during the rotation. When the threaded ring 33 completes leaving the threaded groove 34, the filter plate 3 is disassembled. When the filter plate 3 is cleaned, the filter plate 3 is placed in the first mounting groove 31 and the second mounting groove 32. Subsequently, the threaded ring 33 is screwed into the threaded groove 34 to complete the cleaning and replacement of the filter plate 3.

[0023] A moving rod 210 is fixedly provided on one side of the moving plates 24 away from each other. One end of the moving rod 210 slides through a side wall of the connecting plate 2 and is placed outside. A handle 220 is fixedly provided on one end of the moving rod 210 away from each other.

[0024] A connecting piece 4 is fixedly provided on one side of the handle 220, a positioning piece 41 is rotatably provided on the side of the connecting piece 4 away from each other, a positioning plate 42 is fixedly provided on the outer surface of the side of the connecting plate 2 away from each other, a positioning groove 43 is opened on the top of the positioning plate 42, and the positioning groove 43 is used in conjunction with the positioning piece 41.

[0025] A sealing groove 51 is provided at the bottom of the first fixing member 14, and a sealing ring 5 is fixedly provided at the top of the second fixing member 15, and the sealing groove 51 is used in conjunction with the sealing ring 5; by providing the sealing ring 5 and the sealing groove 51, when the filter plate 3 is installed, the sealing ring 5 is screwed into the sealing groove 51, thereby achieving sealing between the first fixing member 14 and the second fixing member 15, and preventing liquid food from flowing out from the connection between the first fixing member 14 and the second fixing member 15.

[0026] The outer surface of the movable plate 24 is fixedly provided with a mirror-distributed guide block 230, and a guide rod 240 is slidably inserted in the guide block 230, and both ends of the guide rod 240 are fixedly installed on the inner wall of the connecting plate 2; by setting the guide block 230 and the guide rod 240, the effect of limiting the movable plate 24 is achieved, so that the movable plate 24 can move stably.

[0027] A positioning block 6 is fixedly mounted on the bottom end of the control rod 21 ; the positioning block 6 is provided to prevent the control rod 21 from being separated from the through slot 26 .

[0028] Working principle: First, the driving handle 10 drives the piston 11 to move upward through the push rod 12. During the upward movement of the piston 11, the liquid food enters the test tube body 1 through the sampling head 16 and the sampling tube 13. When the liquid food passes through the sampling head 16 and the sampling tube 13, the filter plate 3 filters the solid matter in the liquid food;

[0029] Subsequently, when the quantitative sampling of the liquid food is completed, the appropriate fixing hole 22 completely enters into the through groove 26, and the positioning member 41 is rotated. When one end of the positioning member 41 completely leaves the positioning groove 43, the spring 23 contracts and deforms. Under the action of the deformation elastic force of the spring 23, the movable plate 24 moves in opposite directions, and the movable plate 24 drives the fixed block 25 to move in opposite directions. At the same time, the movable plate 24 drives the handle 220 to move in opposite directions through the movable rod 210. When the fixed block 25 completely enters into the appropriate fixing hole 22, the fixation of the handle 10 is completed.

[0030] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A liquid food testing sampler, comprising a test tube body (1), characterized in that: A piston (11) is slidably provided inside the test tube body (1), a push rod (12) is fixedly provided on the upper surface of the piston (11), the top of the push rod (12) slides through the top of the test tube body (1) and is placed outside, a handle (10) is fixedly provided on the top of the push rod (12), a sampling tube (13) is fixedly provided at the bottom end of the test tube body (1), and a sampling head (16) is provided directly below the sampling tube (13); The outer sliding sleeve of the push rod (12) is provided with a connecting plate (2), the bottom end of the connecting plate (2) is fixedly mounted on the top end of the test tube body (1), the lower surface of the handle (10) is fixedly provided with a control rod (21) distributed in a mirror image, the control rod (21) is provided with a plurality of fixing holes (22) distributed in an array, the connecting plate (2) is provided with springs (23) distributed in a mirror image, the ends of the springs (23) close to each other are fixedly provided with a moving plate (24), the sides of the moving plates (24) close to each other are fixedly provided with a fixing block (25), the ends of the springs (23) away from each other are fixedly mounted on the inner wall of the connecting plate (2), the connecting plate (2) is provided with through grooves (26) distributed in a mirror image, and the through grooves (26) are used in conjunction with the control rod (21).

2. A liquid food detection sampler as claimed in claim 1, characterized in that: A first fixing member (14) is fixedly provided at the bottom end of the sampling tube (13), a second fixing member (15) is fixedly provided at the top end of the sampling head (16), a second mounting groove (32) is provided at the bottom of the first fixing member (14), a first mounting groove (31) is provided at the top of the second fixing member (15), a filter plate (3) is provided in both the first mounting groove (31) and the second mounting groove (32), a threaded ring (33) is fixedly provided at the top end of the second fixing member (15), a threaded groove (34) is provided at the bottom of the first fixing member (14), and the threaded ring (33) and the threaded groove (34) are used in conjunction with each other.

3. A liquid food detection sampler as claimed in claim 1, characterized in that: A moving rod (210) is fixedly provided on the side of the moving plates (24) away from each other, one end of the moving rod (210) slides through a side wall of the connecting plate (2) and is placed outside, and a pull handle (220) is fixedly provided on the end of the moving rod (210) away from each other.

4. A liquid food detection sampler as claimed in claim 3, characterized in that: A connecting piece (4) is fixedly provided on one side of the handle (220), a positioning piece (41) is rotatably provided on the side of the connecting piece (4) away from each other, a positioning plate (42) is fixedly provided on the outer surface of the side of the connecting plate (2) away from each other, a positioning groove (43) is provided on the top of the positioning plate (42), and the positioning groove (43) is used in conjunction with the positioning piece (41).

5. A liquid food detection sampler as claimed in claim 2, characterized in that: A sealing groove (51) is provided at the bottom of the first fixing member (14), a sealing ring (5) is fixedly provided at the top of the second fixing member (15), and the sealing groove (51) and the sealing ring (5) are used in conjunction with each other.

6. A liquid food detection sampler as claimed in claim 1, characterized in that: The outer surface of the movable plate (24) is fixedly provided with guide blocks (230) distributed in a mirror image, and guide rods (240) are slidably inserted in the guide blocks (230), and both ends of the guide rods (240) are fixedly mounted on the inner wall of the connecting plate (2).

7. A liquid food detection sampler as claimed in claim 1, characterized in that: A positioning block (6) is fixedly mounted on the bottom end of each control rod (21).

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