A sample breaking device for food testing

Abstract

The utility model discloses a kind of sample crushing devices for food detection, and it relates to food detection technical field.A kind of sample crushing device for food detection, comprising: crushing chamber, fixed pressing plate, driving pressing plate, force arm, connecting rod and handle;Crushing chamber is cuboid shape and top is open structure;Crushing chamber bottom wall is provided with extraction port, and extraction port is provided with filter screen;The top of the two side walls of crushing chamber is provided with the short plate perpendicular to side wall;One side in crushing chamber is fixed with fixed pressing plate;The other side in crushing chamber is slidably connected with driving pressing plate;The two sides of driving pressing plate are provided with sliding groove;Sliding groove is limited to slide on the short plate of same side position.The sample crushing device for food detection designed by the utility model is designed by extrusion type crushing, avoids excessive crushing of fruit kernel fruit nucleus, effectively reduces impurity of extract, improves detection efficiency and accuracy;Manual driving mode is free from power dependence, matched with plug rod fixing structure, suitable for various on-site detection scene.

Description

TECHNICAL FIELD

[0001] The utility model relates to food detection technical field, concretely relates to a sample crushing device for food detection. BACKGROUND

[0002] In the field of food safety detection, fruit pesticide residue detection is an important link to protect the health of consumers. In order to ensure the accuracy of the detection result, the fruit sample needs to be crushed and then the detection liquid is extracted.

[0003] The traditional fruit crushing device adopts a rotating blade structure, which crushes the fruit by high-speed rotation. However, this method will crush the fruit together with the kernel, pit and other impurities, which will mix a large amount of impurities into the extraction liquid, affecting the subsequent detection efficiency and possibly interfering with the accuracy of the detection result.

[0004] In addition, in actual application scenarios, the demand for on-site sampling detection is increasing, and the existing crushing device is mostly driven by electricity. In orchards, farmers markets and other places where there is a lack of power supply facilities, it is difficult to meet the convenient and flexible detection needs, limiting its popularization and application in on-site detection work.

[0005] Therefore, the inventor believes that how to solve the above technical problems is a technical problem urgently needed to be solved by those skilled in the art.

[0006] The information disclosed in this background section is intended only to increase an understanding of the general background of the present utility model and should not be construed as recognizing or admitting that this information constitutes prior art that forms a part of the prior art that is already known to those skilled in the art. CONTENT OF THE UTILITY MODEL

[0007] To solve the above technical problems, the utility model embodiment provides a sample crushing device for food detection.

[0008] The utility model provides the following technical scheme: a sample crushing device for food detection, comprising: a crushing chamber, a fixed pressing plate, a driving pressing plate, a force arm, a connecting rod and a handle;

[0009] The crushing chamber is in the shape of a rectangular parallelepiped and has an open top structure. The bottom wall of the crushing chamber is provided with an extraction port, and a filter screen is arranged on the extraction port. The top of the two side walls of the crushing chamber is provided with a short plate perpendicular to the side wall.

[0010] A fixed pressing plate is fixed on one side of the crushing chamber. The other side of the crushing chamber is slidably connected with a driving pressing plate. The driving pressing plate is provided with a sliding groove on both sides. The sliding groove is limited to slide on the short plate at the same side position.

[0011] The lever arm consists of two sets, located on both sides of the crushing chamber; the lever arm includes a long arm and a short arm that are connected in a cross manner; the long arm and the short arm are rotatably connected to the side wall of the crushing chamber by a pin at the intersection; a handle is fixedly connected between the ends of the two long arms;

[0012] The connecting rod consists of two rods, which are located on both sides of the crushing chamber. One end of the connecting rod is hinged to one side of the drive pressure plate, and the other end of the connecting rod is hinged to the short arm on the same side.

[0013] Preferably, a cylindrical connector is fixed around the extraction port below the bottom wall of the crushing chamber; the cylindrical connector can be detachably connected to an extraction tube.

[0014] Preferably, the cylindrical connector is provided with external threads; the head of the extraction tube is provided with internal threads, and the extraction tube is connected to the external threads of the cylindrical connector through the internal threads.

[0015] Preferably, a limiting protrusion is fixed on the bottom wall of the crushing chamber.

[0016] Preferably, insertion rods 120 are fixed at the four corners of the bottom of the crushing chamber 110.

[0017] The food sample crushing device provided in this embodiment of the present invention has the following beneficial effects: The food sample crushing device designed in this invention avoids excessive crushing of nuts and kernels through a compression crushing design, effectively reduces impurities in the extract, and improves detection efficiency and accuracy; the manual drive eliminates dependence on electricity, and the combination with the plug-in fixing structure makes it suitable for various on-site testing scenarios. Attached Figure Description

[0018] Figure 1 This is a structural schematic diagram of the first angular direction of this utility model;

[0019] Figure 2 This is a structural schematic diagram of the second angular direction of this utility model;

[0020] Figure 3 This is an exploded view of a portion of the structure of this utility model;

[0021] Figure 4 This utility model Figure 2 A magnified view of part A in the image. 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0023] See Figures 1-4 To address the problems mentioned in the background section, this utility model provides a sample crushing device for food testing to solve the aforementioned technical problems. The technical solution is as follows:

[0024] A sample crushing device for food testing includes: a crushing chamber 110, a fixed pressure plate 140, a driving pressure plate 170, a lever arm 150, a connecting rod 160, and a handle 180.

[0025] The crushing chamber 110 is rectangular in shape and has an open top. The bottom wall of the crushing chamber 110 is provided with an extraction port, and a filter screen 112 is provided on the extraction port. The bottom wall of the crushing chamber 110 is inclined on both sides 111 of the extraction port to facilitate the flow of the extract.

[0026] The top of each of the two side walls 110-1 of the crushing chamber 110 is provided with a short plate 110-2 perpendicular to the side wall 110-1; the short plate 110-2 is distributed along the length of the side wall 110-1;

[0027] A fixed pressure plate 140 is fixed on one side of the crushing chamber 110; a driving pressure plate 170 is slidably connected to the other side of the crushing chamber 110; a sliding groove 171 is provided on both sides of the driving pressure plate 170; the sliding groove 171 is limited to slide on the short plate 110-2 on the same side.

[0028] The lever arm 150 includes two sets, which are located on both sides of the crushing chamber 110. The lever arm 150 includes a long arm 152 and a short arm 151 that are connected in a cross manner. The long arm 152 and the short arm 151 are rotatably connected to the side wall 110-1 of the crushing chamber 110 by a pin. A handle 180 is fixedly connected between the ends of the two long arms 152.

[0029] The connecting rod 160 includes two rods, which are located on both sides of the crushing chamber 110. One end of the connecting rod 160 is hinged to one side of the drive pressure plate 170, and the other end of the connecting rod 160 is hinged to the short arm 151 on the same side.

[0030] It should be noted that this utility model is mainly applicable to small fruits with peels; for medium and large fruits, it is necessary to cut them into small pieces with a knife before crushing.

[0031] In this embodiment, a cylindrical connector 114 is fixed around the extraction port below the bottom wall of the crushing chamber 110; the cylindrical connector 114 is detachably connected to an extraction tube 190.

[0032] In this embodiment, the cylindrical connector 114 is provided with an external thread; the head of the extraction tube 190 is provided with an internal thread 191, and the extraction tube 190 is threadedly connected to the external thread of the cylindrical connector 114 through the internal thread 191.

[0033] In this embodiment, a limiting protrusion 113 is fixed on the bottom wall of the crushing chamber 110; the limiting protrusion 113 restricts the movement of the driving pressure plate 170.

[0034] In this embodiment, insertion rods 120 are fixed at the four corners of the bottom of the crushing chamber 110; the insertion rods 120 are used to temporarily fix the crushing chamber 110.

[0035] The height of the insertion rod 120 is set according to the actual situation; in the attached drawings, the height of the insertion rod 120 is not the actual height, but only an adaptive illustration; or a corresponding fixing base can be designed for the insertion rod 120, so that this utility model can be directly brought to the site for operation, without having to painstakingly insert the insertion rod 120 into the ground for fixing.

[0036] The method of using the food sample crushing device provided in this embodiment of the utility model is as follows:

[0037] (1) Preparation: Place the present invention in a suitable position and insert the rod 120 at the bottom of the crushing chamber 110 into the ground for fixing; the ground is usually selected as soil; and place the fruit sample to be tested into the crushing chamber 110.

[0038] (2) Apply crushing force: The user holds the handle 180 and pulls it back forcefully, which drives the long arm 152 to rotate around the pin shaft, and drives the short arm 151 to pull the connecting rod 160 to move accordingly, driving the pressure plate 170 to slide along the groove 171 on the short plate 110-2 towards the fixed pressure plate 140, and applying crushing force to the fruit sample.

[0039] (3) Crushing and filtering: Under the pressure of the driving plate 170 and the fixed plate 140, the fruit is crushed and the juice produced flows to the bottom wall under the action of gravity. Since the bottom wall of the crushing chamber 110 is inclined on both sides 111 of the extraction port, the juice can be more smoothly gathered to the extraction port. After being filtered by the filter screen 112 at the extraction port, the pulp residue is intercepted and the pure extract enters the extraction port through the filter screen 112.

[0040] (4) Extraction liquid collection: The extraction tube 190 is pre-threaded to the cylindrical connector 114 below the extraction port. The filtered extract flows into the extraction tube 190 through the cylindrical connector 114 to complete the collection of the extract for detection. After collection, the extraction tube 190 can be unscrewed and used directly for subsequent detection and analysis.

[0041] The food sample crushing device provided in this embodiment of the present invention has the following beneficial effects: The food sample crushing device designed in this invention avoids excessive crushing of nuts and kernels through a compression crushing design, effectively reduces impurities in the extract, and improves detection efficiency and accuracy; the manual drive eliminates dependence on electricity, and the combination with the plug-in fixing structure makes it suitable for various on-site testing scenarios.

[0042] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units; they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs.

[0043] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0044] It is understood that those skilled in the art can make equivalent substitutions or changes based on the technical solution and concept of this utility model, and all such substitutions or changes should fall within the protection scope of the appended claims.

Claims

1. A sample crushing device for food testing, characterized in that, include: Crushing chamber, fixed pressure plate, drive pressure plate, lever arm, connecting rod, and handle; The crushing chamber is rectangular in shape and has an open top; the bottom wall of the crushing chamber is equipped with an extraction port, and a filter screen is installed on the extraction port; short plates perpendicular to the side walls are installed at the top of both side walls of the crushing chamber. A fixed pressure plate is fixed on one side of the crushing chamber; a driving pressure plate is slidably connected to the other side of the crushing chamber; both sides of the driving pressure plate are provided with sliding grooves; the sliding grooves are limited to slide on a short plate at the same side. The lever arm consists of two sets, located on both sides of the crushing chamber; the lever arm includes a long arm and a short arm that are connected in a cross manner; the long arm and the short arm are rotatably connected to the side wall of the crushing chamber by a pin at the intersection; a handle is fixedly connected between the ends of the two long arms; The connecting rod consists of two rods, which are located on both sides of the crushing chamber. One end of the connecting rod is hinged to one side of the drive pressure plate, and the other end of the connecting rod is hinged to the short arm on the same side.

2. The sample crushing device for food testing according to claim 1, characterized in that, A cylindrical connector is fixed around the extraction port on the lower part of the bottom wall of the crushing chamber; the cylindrical connector can be detachably connected to an extraction tube.

3. The sample crushing device for food testing according to claim 2, characterized in that, The cylindrical connector has an external thread; the extraction tube has an internal thread inside its tube head, and the extraction tube is connected to the external thread of the cylindrical connector through the internal thread.

4. The sample crushing device for food testing according to claim 1, characterized in that, Limiting protrusions are fixed on the bottom wall of the crushing chamber.

5. The sample crushing device for food testing according to claim 1, characterized in that, Insert rods are fixed at the four corners of the bottom of the crushing chamber.

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