Liquid adding device for food analysis and inspection

Abstract

The utility model discloses a liquid adding device for food analysis and inspection, which relates to the technical field of food inspection and comprises a support plate, two groups of symmetrical support legs are fixedly connected to the lower surface of the support plate, and a first connecting plate is fixedly connected to the rear of the upper surface of the support plate. And a quantitative liquid adding mechanism is arranged above the first connecting plate. According to the utility model, the design structure is reasonable, and the electric lifting rod is controlled to contract, so that the second connecting plate is driven to move downwards, the drawing rod is driven to move downwards, the push-pull disc is driven to move downwards, and the sealing gasket is driven to extrude downwards in the liquid storage cavity, so that liquid in the liquid storage cavity can be extruded out through the check valve; then the liquid taking amount is observed through the meter, when the liquid taking amount is reached, the electric lifting rod is stopped from contracting, and under the cooperation of the check valve, liquid discharging can be rapidly stopped, and the purpose of accurate and quantitative liquid taking of the device is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of food inspection, in particular to a liquid adding device for food analysis and inspection. Background Art

[0002] Food inspection refers to a discipline that studies and evaluates food quality and its changes. It is based on some basic theories and various technologies of physics, chemistry, and biochemistry, and in accordance with established technical standards, such as international and national food hygiene and safety standards, to inspect the quality of food raw materials, auxiliary materials, semi-finished products, finished products and by-products to ensure product quality. The content of food inspection includes sensory testing of food, detection of nutrients, additives, and harmful substances in food, etc. Most traditional liquid adding devices are only mechanized modifications of handheld liquid adding devices in existing technologies, and there are problems such as inaccurate liquid addition volume and loose sealing.

[0003] To this end, we provide liquid adding devices for food analysis and testing to solve the above problems. Utility Model Content

[0004] 1) Technical problems solved

[0005] The purpose of the utility model is to make up for the deficiencies of the prior art and to provide a liquid adding device for food analysis and testing.

[0006] 2) Technical solution

[0007] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a liquid adding device for food analysis and inspection, comprising a support plate, wherein two groups of mutually symmetrical support legs are fixedly connected to the lower surface of the support plate, a first connecting plate is fixedly connected to the rear of the upper surface of the support plate, a quantitative liquid adding mechanism is arranged above the first connecting plate, a rotating liquid taking mechanism is arranged above the support plate, and a limiting mechanism is arranged in front of the rotating liquid taking mechanism.

[0008] Furthermore, the quantitative liquid adding mechanism includes a fixed plate, the lower surface of the fixed plate is fixedly connected to the upper surface of the first connecting plate, the upper surface of the fixed plate is provided with a through hole, the inner side wall of the through hole is fixedly connected to a liquid storage cylinder, the outer surface of the liquid storage cylinder is provided with a meter, the top of the liquid storage cylinder is provided with a liquid storage cavity, and the inner bottom wall of the liquid storage cavity is connected to a check valve.

[0009] Furthermore, an electric lifting rod is installed on the upper surface of the fixed plate, the output end of the electric lifting rod is fixedly connected to the second connecting plate, the lower surface of the second connecting plate is fixedly connected to the pull-out rod, the bottom end of the pull-out rod is fixedly connected to the push-pull disk, the lower surface of the push-pull disk is fixedly connected to a sealing gasket, and the outer surface of the sealing gasket is slidably connected to the inner wall of the liquid storage chamber.

[0010] Furthermore, the rotating liquid extraction mechanism includes a support column, the lower surface of the support column is fixedly connected to the upper surface of the support plate, the upper surface of the support column is rotatably connected to a first rotating disk, and the upper surface of the first rotating disk is fixedly connected to a connecting column.

[0011] Furthermore, a fixing plate is fixedly connected to the upper surface of the connecting column, and a group of equidistant and concentric fixing holes are opened on the upper surface of the fixing plate.

[0012] Furthermore, the limiting mechanism includes a lower surface of a support block fixedly connected to an upper surface of a support plate, a threaded hole is provided on the front side of the support block, and a threaded rod is threadedly connected to the inner side wall of the threaded hole.

[0013] Furthermore, the front end of the threaded rod is fixedly connected to the second rotating disk, and the rear end of the threaded rod is fixedly connected to the elastic pad.

[0014] 3) Beneficial effects:

[0015] Compared with the existing technology, the liquid adding device for food analysis and testing has the following beneficial effects:

[0016] 1. The utility model controls the contraction of the electric lifting rod, thereby driving the second connecting plate to move downward, and at the same time driving the pull rod to move downward, and driving the push-pull plate to move downward, and at the same time driving the sealing gasket to squeeze downward inside the liquid storage chamber, so that the liquid inside the liquid storage chamber can be squeezed out through the check valve, and then the liquid withdrawal amount is observed by the meter. When the liquid withdrawal amount is reached, the contraction of the electric lifting rod is stopped, and with the cooperation of the check valve, the liquid discharge can be quickly stopped, thereby achieving the purpose of accurate quantitative liquid withdrawal of this device.

[0017] 2. The utility model sets a rotating liquid-taking mechanism. First, multiple test tubes are respectively inserted into different fixed holes. Then, the first rotating disk is rotated, thereby driving the connecting column to rotate, and at the same time driving the fixed disk to rotate, and at the same time driving multiple test tubes to rotate, so that the test tubes can be quickly replaced to take liquid, thereby achieving the purpose of quickly replacing the liquid-taking test tubes of this device. By controlling the rotation of the second rotating disk, the threaded rod is driven to spiral forward or backward inside the threaded hole, and the elastic pad is driven forward or backward at the same time, so that the elastic pad can be quickly tightened or released from the outer surface of the first rotating disk, thereby achieving the purpose of the fast limit rotation liquid-taking mechanism of this device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional front view structure of the utility model;

[0019] Figure 2 This is a three-dimensional exploded view of the quantitative liquid adding mechanism of the utility model;

[0020] Figure 3This is a three-dimensional exploded view of the rotary liquid extraction mechanism of the present invention;

[0021] Figure 4 This is a three-dimensional structural exploded view of the limiting mechanism of the utility model.

[0022] In the figure: 1. Support plate; 2. Support leg; 3. First connecting plate; 4. Quantitative liquid adding mechanism; 401. Fixed plate; 402. Through hole; 403. Metering meter; 404. Liquid storage chamber; 405. Check valve; 406. Electric lifting rod; 407. Second connecting plate; 408. Pull-out rod; 409. Push-pull disk; 410. Sealing gasket; 411. Liquid storage cylinder; 5. Rotating liquid taking mechanism; 501. Support column; 502. First rotating disk; 503. Connecting column; 504. Fixed disk; 505. Fixed hole; 6. Limiting mechanism; 601. Support block; 602. Threaded hole; 603. Threaded rod; 604. Second rotating disk; 605. Elastic pad. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] like Figure 1-4 As shown, the utility model provides a technical solution: a liquid adding device for food analysis and inspection, comprising a support plate 1, two groups of mutually symmetrical support legs 2 are fixedly connected to the lower surface of the support plate 1, a first connecting plate 3 is fixedly connected to the rear of the upper surface of the support plate 1, and a quantitative liquid adding mechanism 4 is arranged above the first connecting plate 3.

[0025] When the support legs 2 are in use, anti-skid pads need to be added to the bottom to prevent the device from moving.

[0026] The quantitative liquid adding mechanism 4 includes a fixed plate 401, the lower surface of the fixed plate 401 is fixedly connected to the upper surface of the first connecting plate 3, the upper surface of the fixed plate 401 is provided with a through hole 402, the inner side wall of the through hole 402 is fixedly connected with a liquid storage cylinder 411, the outer surface of the liquid storage cylinder 411 is provided with a metering meter 403, the top of the liquid storage cylinder 411 is provided with a liquid storage cavity 404, and the inner bottom wall of the liquid storage cavity 404 is connected to a check valve 405.

[0027] Here, the material of the check valve 405 is preferably corrosion-resistant material.

[0028] An electric lifting rod 406 is installed on the upper surface of the fixed plate 401, and the output end of the electric lifting rod 406 is fixedly connected to the second connecting plate 407, and the lower surface of the second connecting plate 407 is fixedly connected to the pulling rod 408, and the bottom end of the pulling rod 408 is fixedly connected to the push-pull disk 409, and the lower surface of the push-pull disk 409 is fixedly connected to the sealing gasket 410, and the outer surface of the sealing gasket 410 is slidably connected to the inner wall of the liquid storage chamber 404.

[0029] The material of the sealing gasket 410 is preferably rubber, and the side surface of the sealing gasket 410 is tightly fitted with the inner wall of the liquid storage cavity 404, so that the liquid inside the liquid storage cavity 404 is in a sealed state.

[0030] By controlling the electric lifting rod 406 to retract, the second connecting plate 407 is driven to move downward, and at the same time, the pulling rod 408 is driven to move downward, and the push-pull plate 409 is driven to move downward, and at the same time, the sealing gasket 410 is driven to squeeze downward inside the liquid storage chamber 404, so that the liquid inside the liquid storage chamber 404 can be squeezed out through the check valve 405, and then the liquid extraction volume is observed through the meter 403. When the liquid extraction volume is reached, the electric lifting rod 406 is stopped from retracting, and with the cooperation of the check valve 405, the liquid discharge can be quickly stopped, thereby achieving the purpose of accurate quantitative liquid extraction of this device.

[0031] A rotating liquid extraction mechanism 5 is provided above the support plate 1 .

[0032] The rotary liquid extraction mechanism 5 includes a support column 501 , the lower surface of the support column 501 is fixedly connected to the upper surface of the support plate 1 , the upper surface of the support column 501 is rotatably connected to a first rotating disk 502 , and the upper surface of the first rotating disk 502 is fixedly connected to a connecting column 503 .

[0033] A fixing plate 504 is fixedly connected to the upper surface of the connecting post 503 . A group of equidistant and concentric fixing holes 505 are formed on the upper surface of the fixing plate 504 .

[0034] Here, the center point of the fixed hole 505 is on a vertical line with the liquid outlet of the check valve 405 . After a test tube is installed inside the fixed hole 505 , the liquid taken out by the check valve 405 can be received.

[0035] By inserting multiple test tubes into different fixing holes 505 respectively, and then rotating the first rotating disk 502, thereby driving the connecting column 503 to rotate, and at the same time driving the fixed disk 504 to rotate, and at the same time driving multiple test tubes to rotate, the test tubes can be quickly replaced to extract liquid, thereby achieving the purpose of quickly replacing the liquid extraction test tubes of this device.

[0036] A limiting mechanism 6 is provided in front of the rotating liquid taking mechanism 5 .

[0037] The limiting mechanism 6 includes a support block 601 whose lower surface is fixedly connected to the upper surface of the support plate 1 . A threaded hole 602 is formed on the front surface of the support block 601 , and a threaded rod 603 is threadedly connected to the inner side wall of the threaded hole 602 .

[0038] The front end of the threaded rod 603 is fixedly connected to the second rotating disk 604 , and the rear end of the threaded rod 603 is fixedly connected to the elastic pad 605 .

[0039] Here, the extension line of the output end of the threaded rod 603 passes through the center point of the first rotating disk 502, and the material of the elastic pad 605 is preferably rubber.

[0040] By controlling the rotation of the second rotating disk 604, the threaded rod 603 is driven to spiral forward or backward inside the threaded hole 602, and the elastic pad 605 is driven to advance or retreat at the same time, so that the elastic pad 605 can be quickly tightened or released from the outer surface of the first rotating disk 502, thereby achieving the purpose of quickly limiting the rotation of the liquid extraction mechanism 5 of this device.

[0041] Working principle: When using this device, first add liquid to the liquid storage chamber 404, then insert multiple test tubes into different fixing holes 505 respectively, and then rotate the first rotating disk 502, thereby driving the connecting column 503 to rotate, and at the same time driving the fixing disk 504 to rotate, and at the same time driving multiple test tubes to rotate, the test tubes can be quickly replaced to take liquid, achieving the purpose of quickly replacing the liquid-taking test tube of this device. When the test tube rotates to the designated location, by controlling the rotation of the second rotating disk 604, the threaded rod 603 is driven to spiral forward or backward inside the threaded hole 602, and at the same time the elastic pad 605 is driven forward or backward, so that the elastic pad 605 can be quickly tightened or released against the first rotating disk. The outer surface of the movable disk 502 realizes the purpose of quickly limiting the rotation of the liquid taking mechanism 5 of the device, and controls the electric lifting rod 406 to retract, thereby driving the second connecting plate 407 to move downward, and at the same time driving the pulling rod 408 to move downward, and at the same time driving the push-pull disk 409 to move downward, and at the same time driving the sealing gasket 410 to squeeze downward inside the liquid storage chamber 404, so that the liquid inside the liquid storage chamber 404 can be squeezed out through the check valve 405, and then the liquid taking amount is observed through the meter 403. When the liquid taking amount is reached, the electric lifting rod 406 is stopped from retracting, and with the cooperation of the check valve 405, the liquid discharge can be quickly stopped, thereby achieving the purpose of accurate quantitative liquid taking of the device.

Claims

1. A liquid adding device for food analysis and testing, comprising a support plate (1), characterized in that: The lower surface of the support plate (1) is fixedly connected to two groups of mutually symmetrical support legs (2); the rear of the upper surface of the support plate (1) is fixedly connected to a first connecting plate (3); a quantitative liquid adding mechanism (4) is provided above the first connecting plate (3); a rotating liquid taking mechanism (5) is provided above the support plate (1); and a limiting mechanism (6) is provided in front of the rotating liquid taking mechanism (5).

2. A liquid adding device for food analysis and testing according to claim 1, characterized in that: The quantitative liquid adding mechanism (4) comprises a fixed plate (401), the lower surface of the fixed plate (401) is fixedly connected to the upper surface of the first connecting plate (3), the upper surface of the fixed plate (401) is provided with a through hole (402), the inner side wall of the through hole (402) is fixedly connected to a liquid storage cylinder (411), the outer surface of the liquid storage cylinder (411) is provided with a meter (403), the top end of the liquid storage cylinder (411) is provided with a liquid storage cavity (404), and the inner bottom wall of the liquid storage cavity (404) is connected to a check valve (405).

3. A liquid adding device for food analysis and testing according to claim 2, characterized in that: An electric lifting rod (406) is installed on the upper surface of the fixed plate (401), the output end of the electric lifting rod (406) is fixedly connected to the second connecting plate (407), the lower surface of the second connecting plate (407) is fixedly connected to the pull-out rod (408), the bottom end of the pull-out rod (408) is fixedly connected to the push-pull disk (409), the lower surface of the push-pull disk (409) is fixedly connected to the sealing gasket (410), and the outer surface of the sealing gasket (410) is slidably connected to the inner wall of the liquid storage chamber (404).

4. A liquid adding device for food analysis and testing according to claim 1, characterized in that: The rotary liquid extraction mechanism (5) comprises a support column (501), the lower surface of the support column (501) is fixedly connected to the upper surface of the support plate (1), the upper surface of the support column (501) is rotatably connected to a first rotating disk (502), and the upper surface of the first rotating disk (502) is fixedly connected to a connecting column (503).

5. A liquid adding device for food analysis and testing according to claim 4, characterized in that: A fixing plate (504) is fixedly connected to the upper surface of the connecting column (503), and a group of equidistant and concentric fixing holes (505) are opened on the upper surface of the fixing plate (504).

6. A liquid adding device for food analysis and testing according to claim 1, characterized in that: The limiting mechanism (6) comprises a lower surface of a support block (601) fixedly connected to the upper surface of a support plate (1); a threaded hole (602) is provided on the front surface of the support block (601); and a threaded rod (603) is threadedly connected to the inner side wall of the threaded hole (602).

7. A liquid adding device for food analysis and testing according to claim 6, characterized in that: The front end of the threaded rod (603) is fixedly connected to a second rotating disk (604), and the rear end of the threaded rod (603) is fixedly connected to an elastic pad (605).

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