Sample preparation device for food safety detection

By designing a sample preparation device for food safety testing, using structures such as press rods, connecting rods and tooth plates, safe and efficient food slices are achieved, and finger cuts and bacterial transmission during slices in the prior art are solved. The problem improves the accuracy of the detection.

CN222439157UActive Publication Date: 2025-02-07NORTHWEST UNIVERSITY FOR NATIONALITIES
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420864994.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-24
Publication Date
2025-02-07
Estimated Expiration
2034-04-24

AI Technical Summary

Technical Problem

In food safety testing, the prior art can easily cause finger cuts when cutting food, and the slice thickness is uneven, affecting the detection results. At the same time, hand bacteria are easily transferred to the slice during the slice.

Method used

A sample preparation device for food safety testing is designed, which includes a base plate, a support rod, a stage, a slice mechanism, etc. Through the linkage between the press rod and the connecting rod, the blade slices the food, and passes through the tooth plate and the hook bar. The cooperation of the food can be achieved continuously and promoted, and the experimenter can avoid direct contact with the slice.

Benefits of technology

It improves the safety of slices, ensures slice uniformity, reduces the risk of microbial infection, and improves the accuracy of food testing.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222439157U_ABST
    Figure CN222439157U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of food detection, and particularly relates to a sample preparation device for food safety detection, which comprises a bottom plate, the upper side wall of the bottom plate is fixedly connected with a support rod I and a support rod II which are symmetrically arranged, and the upper side wall of the bottom plate is fixedly provided with an objective table positioned between the support rod I and the support rod II; a notch is formed in the upper side wall of the objective table, and the notch is close to the left side wall of the objective table. The food slicing device has the advantages that solid food is fixed to the baffle, the handle is pressed down, the pressing rod is linked with the first connecting rod and the second connecting rod, the blade slices the food downwards, the hook strip slides backwards on the toothed plate, the pressing rod is lifted to enable the hook strip to hook the toothed plate and drive the toothed plate to move forwards, the baffle pushes the food forwards, and the blade slices the food again conveniently; experiments only need to operate the handle, the slicing safety is improved, after slicing, cut food falls onto the glass slide, direct contact with food slices is avoided, and microbial infection is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of food detection, in particular to a sample preparation device for food safety detection. Background Art

[0002] Food safety testing is to detect harmful substances in food according to national indicators, mainly some harmful and toxic indicators, to ensure the safety of food consumption. When sampling and testing food, the food will be classified according to different types and different sampling methods will be used for different types of food.

[0003] For fixed foods, it is usually necessary to slice the food, place the slices on a glass slide, and examine the slice specimens under a microscope. When slicing food, experimenters may easily cut their fingers when cutting the food with a blade, and the slices may be uneven in thickness, making it inconvenient to observe. In the process of placing the slices on a glass slide, it is also easy for hand bacteria to be transferred to the slices, affecting the test results.

[0004] In order to solve the above problems, we proposed a sample preparation device for food safety testing. Utility Model Content

[0005] The utility model aims to solve the problems in the background technology and proposes a sample preparation device for food safety detection.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a sample preparation device for food safety testing, comprising a base plate, the upper side wall of the base plate is fixedly connected with symmetrically arranged support rod one and support rod two, the upper side wall of the base plate is fixedly provided with a loading platform located between support rod one and support rod two, the upper side wall of the loading platform is provided with a slot, the slot is close to the left side wall of the loading platform, a tooth plate is slidably arranged in the slot, the rear end of the tooth plate is fixedly connected with a baffle located on the upper side of the loading platform, and a slicing mechanism is arranged between support rod one and support rod two.

[0007] In the above-mentioned sample preparation device for food safety testing, the slicing mechanism includes a fixed shaft fixedly connecting support rod one and support rod two, the fixed shaft is located at the upper ends of support rod one and support rod two, the outer wall of the fixed shaft is rotatably sleeved with a pressure rod, the side wall of the pressure rod is movably inserted with a horizontally arranged movable shaft, the two ends of the movable shaft are respectively rotatably connected with connecting rod one and connecting rod two, the ends of connecting rod one and connecting rod two are rotatably connected with a blade together, the left side wall of the blade is provided with a notch, the side wall of the notch is rotatably connected with a hook strip, and the end of the hook strip slides on the tooth plate.

[0008] In the above-mentioned sample preparation device for food safety testing, the front side walls of the support rod one and the support rod two are both provided with a fixing frame, the front side walls of the fixing frame are both provided with a slide groove, and the left and right ends of the blade are both slidably set in the slide groove.

[0009] In the above-mentioned sample preparation device for food safety testing, the front side wall of the fixing frame is smooth, and the upper side wall of the loading platform is smooth.

[0010] In the above-mentioned sample preparation device for food safety testing, a handle is provided at the end of the pressing rod.

[0011] In the above-mentioned sample preparation device for food safety testing, a slide table is provided on the front side wall of the fixing frame.

[0012] Compared with the existing technology, the advantages of this food safety testing sample preparation device are:

[0013] The utility model fixes solid food on the baffle plate, presses down the handle, and the pressure rod links the connecting rod one and the connecting rod two, so that the blade slices the food downwards, and the hook strip slides backwards on the tooth plate, and the pressure rod is lifted so that the hook strip hooks the tooth plate and drives the tooth plate to move forward, and the baffle plate pushes the food forward, so that the blade slices the food again. The experimenter only needs to operate the handle, which improves the safety of slicing, and after slicing, the cut food falls onto the slide, avoiding direct contact with the food slices and reducing the infection of microorganisms. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is one of the structural schematic diagrams of a sample preparation device for food safety testing proposed by the utility model;

[0015] Figure 2 This is the second structural schematic diagram of a sample preparation device for food safety testing proposed by the utility model;

[0016] Figure 3 The utility model is a side view of a sample preparation device for food safety testing.

[0017] In the figure: 1 bottom plate, 2 loading platform, 3 support rod 1, 4 support rod 2, 5 fixed axis, 6 pressure rod, 7 moving axis, 8 connecting rod 1, 9 handle, 10 blade, 11 fixed frame, 12 notch, 13 tooth plate, 14 slide table, 15 baffle, 16 hook strip. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Reference Figure 1-Figure 3 A sample preparation device for food safety testing includes a bottom plate 1, an upper side wall of the bottom plate 1 is fixedly connected with a symmetrically arranged support rod 1 3 and a support rod 2 4, an upper side wall of the bottom plate 1 is fixedly provided with a loading platform 2 located between the support rod 1 3 and the support rod 2 4, before slicing the food, the food is placed on the loading platform 2, a notch 12 is opened on the upper side wall of the loading platform 2, the notch 12 is close to the left side wall of the loading platform 2, both ends of the notch 12 are open, a tooth plate 13 is slidably arranged in the notch 12, the teeth on the tooth plate 13 are all inclined backwards, and the rear end of the tooth plate 13 is fixedly connected with a baffle 15 located on the upper side of the loading platform 2, and when slicing, the food is fixedly connected to the baffle 15.

[0020] A slicing mechanism is provided between the support rod 1 3 and the support rod 2 4, and the slicing mechanism includes a fixed shaft 5 fixedly connecting the support rod 1 3 and the support rod 2 4, the fixed shaft 5 is located at the upper ends of the support rod 1 3 and the support rod 2 4, the outer wall of the fixed shaft 5 is rotatably sleeved with a pressure rod 6, the end of the pressure rod 6 is provided with a handle 9, the side wall of the pressure rod 6 is movably inserted with a horizontally arranged moving shaft 7, the two ends of the moving shaft 7 are rotatably connected with the connecting rod 1 8 and the connecting rod 2 respectively, the ends of the connecting rod 1 8 and the connecting rod 2 are rotatably connected with a blade 10 together, the left side wall of the blade 10 is provided with a notch, the side wall of the notch is rotatably connected with a hook strip 16, the opening of the notch also helps the tooth plate 13 to pass the blade 10 forward, and the end of the hook strip 16 slides on the tooth plate 13 The front side walls of the support rod 1 3 and the support rod 2 4 are both provided with a fixing frame 11, and the front side walls of the fixing frame 11 are both provided with a sliding groove. The left and right ends of the blade 10 are slidably set in the sliding groove, and the handle 9 is pressed, the pressure rod 6 rotates downward, and the connecting rod 1 8 and the connecting rod 2 push the blade 10 downward. The blade 10 moves downward in the sliding groove and slices the food. The end of the hook strip 16 is provided with a hook angle. In the process of the blade 10 moving downward, the hook angle will slide backward on the tooth plate 13. After the handle 9 is lifted upward, the blade 10 moves up. While the hook strip 16 rotates upward, the hook angle bites the teeth on the tooth plate 13, driving the tooth plate 13 to slide forward, and the baffle 15 pushes the food forward at the same time, which is convenient for the blade 10 to slice the food again.

[0021] The front side wall of the fixing frame 11 is smooth, which helps to reduce the friction between the blade 10 and the front side wall of the fixing frame 11. The upper side wall of the stage 2 is smooth, which is convenient for moving food. The front side wall of the fixing frame 11 is provided with a slide table 14, on which a slide is placed. The sliced ​​food will fall directly onto the slide, and the experimenter can directly take out the slide, which improves the safety of food slicing and avoids direct contact between the experimenter and the slice, thereby improving the accuracy of food testing.

[0022] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sample preparation device for food safety testing, comprising a bottom plate (1), characterized in that: The upper side wall of the base plate (1) is fixedly connected with symmetrically arranged support rods 1 (3) and 2 (4), and the upper side wall of the base plate (1) is fixedly provided with a loading platform (2) located between the support rods 1 (3) and 2 (4). The upper side wall of the loading platform (2) is provided with a notch (12), and the notch (12) is close to the left side wall of the loading platform (2). A tooth plate (13) is slidably arranged in the notch (12), and the rear end of the tooth plate (13) is fixedly connected with a baffle plate (15) located on the upper side of the loading platform (2). A slicing mechanism is arranged between the support rods 1 (3) and 2 (4).

2. A sample preparation device for food safety testing according to claim 1, characterized in that: The slicing mechanism comprises a fixed shaft (5) fixedly connected to the support rod 1 (3) and the support rod 2 (4); the fixed shaft (5) is located at the upper ends of the support rod 1 (3) and the support rod 2 (4); a pressure rod (6) is rotatably sleeved on the outer wall of the fixed shaft (5); a horizontally arranged moving shaft (7) is movably inserted into the side wall of the pressure rod (6); the two ends of the moving shaft (7) are rotatably connected to the connecting rod 1 (8) and the connecting rod 2 respectively; the ends of the connecting rod 1 (8) and the connecting rod 2 are rotatably connected to a blade (10); a notch is provided on the left side wall of the blade (10); a hook strip (16) is rotatably connected to the side wall of the notch; the end of the hook strip (16) slides on the tooth plate (13).

3. A sample preparation device for food safety testing according to claim 2, characterized in that: The front side walls of the support rod 1 (3) and the support rod 2 (4) are both provided with a fixing frame (11), and the front side walls of the fixing frame (11) are both provided with a sliding groove, and the left and right ends of the blade (10) are both slidably arranged in the sliding groove.

4. A sample preparation device for food safety testing according to claim 3, characterized in that: The front side wall of the fixing frame (11) is smooth, and the upper side wall of the object carrier (2) is smooth.

5. A sample preparation device for food safety testing according to claim 2, characterized in that: A handle (9) is provided at the end of the pressure rod (6).

6. A sample preparation device for food safety testing according to claim 3, characterized in that: The front side walls of the fixing frame (11) are each provided with a glass slide table (14).