Food inspection sample liquid separating and filtering device

Abstract

The utility model relates to the technical field of food inspection sample liquid separation and filtration, in particular to a food inspection sample liquid separation and filtration device which comprises transverse plates, a first funnel is fixedly connected to the inner wall of the upper transverse plate, a second funnel is fixedly connected to the inner wall of the lower transverse plate, and filter paper is attached to the inner wall of the second funnel. A straight plate is attached to the top of the first funnel, and the inner wall of the straight plate is fixedly connected with a pipe body. Through cooperation of a first funnel, a straight plate, a pipe body, a filter screen and a shaking structure, the top of the first funnel is covered with the straight plate, then the filter screen enters the first funnel, meanwhile, a lead screw is inserted into the inner wall of a square plate, a round block is rotated, the round block moves downwards on the outer wall of the lead screw, then fixing and rightward pulling of a straight cylinder are achieved, the straight cylinder compresses a spring and loosens the straight cylinder, and the straight cylinder is fixed. The spring rebounds to enable the straight cylinder to shake left and right, so that the filter screen shakes left and right, the filter screen can be conveniently shaken, and the filtering effect of the filter screen is prevented from being influenced by residue accumulation.

Description

TECHNICAL FIELD

[0001] The utility model relates to food inspection sample liquid separation filter technology field, concretely to a food inspection sample liquid separation filter device. BACKGROUND

[0002] When detecting food, the same variety product needs to be sampled, and the sampled sample is detected, and the purpose of food detection is to prevent unqualified food from flowing into the market and ensure the safety of food, especially liquid food and food extract, liquid separation filter device will be used when sampling and detecting food.

[0003] The prior art food inspection sample liquid separation filter device (application number: 202323159295.0) is collected by the re-filtering of filter paper, realizes the grading filtration of food inspection sample, avoids that larger residues are accumulated on the filter paper, and improves the filtration efficiency, and the above still exists, when filtering food sample, the above device filters large particle residues in the sample through the filter screen, and filters the sample again through the filter paper, but since the filter screen is inconvenient to shake when filtering, the accumulation of residues can easily affect the filtering effect of the filter screen, and when filtering, the above device fixes the filter paper by the pressing frame, and when the filter paper is pressed, the ring is inconvenient to limit, and the pressure of the ring on the filter paper is too large, which can damage the filter paper and affect the filtering effect. SUMMARY

[0004] The utility model discloses a food inspection sample liquid separation filter device, which can conveniently shake the filter screen, prevent the accumulation of residues from affecting the filtering effect of the filter screen, conveniently limit the ring, prevent the ring from giving too much pressure to the filter paper, and prevent the filter paper from being damaged and affecting the filtering effect.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A food inspection sample liquid separation filter device is designed, which comprises a horizontal plate, a funnel one is fixedly connected to the inner wall of the horizontal plate at the top, a funnel two is fixedly connected to the inner wall of the horizontal plate at the bottom, filter paper is attached to the inner wall of the funnel two, a straight plate is attached to the top of the funnel one, a pipe body is fixedly connected to the inner wall of the straight plate, a filter screen is fixedly connected to the bottom of the straight plate, a block is fixedly connected to one end of the horizontal plate, a shaking structure is arranged on one side of the funnel one, and a pressing structure is arranged below the horizontal plate.

[0007] Preferably, the shaking structure includes a rubber pad, one end of the rubber pad is fixedly connected above one side of the funnel one, an inner wall of the rubber pad is fixedly connected with a horizontal rod, one end of the horizontal rod is fixedly connected above one side of the funnel one, an outer wall of the horizontal rod is clearance-fitted with a straight cylinder, a top of the straight cylinder is fixedly connected with a lead screw, an outer wall of the lead screw is clearance-fitted with a square plate, one end of the square plate is fixedly connected with one end of the straight plate, an outer wall of the lead screw is threadedly connected with a circular block above, an outer wall of the horizontal rod is clearance-fitted with a spring, left and right ends of the spring are fixedly connected with one end of the inner wall of the straight cylinder and one side of the outer wall of the horizontal rod respectively.

[0008] Preferably, an inner wall of the block is clearance-fitted with a square rod, and a bottom of the square rod is fixedly connected with a bottom plate.

[0009] Preferably, a top of the bottom plate is attached with a cylinder.

[0010] Preferably, an inner wall of one end of the block is threadedly connected with a bolt.

[0011] Preferably, the pressing structure includes a groove plate, a top of the groove plate is fixedly connected with one side of the bottom of the upper horizontal plate, an inner wall of a bottom of the groove plate is clearance-fitted with a curved rod one, one side below of the curved rod one is fixedly connected with one side above of the funnel two, one side above of the groove plate is fixedly connected with a curved rod two, a bottom one side of the curved rod two is fixedly connected with a circular ring, and a bottom of the circular ring is attached with one side above of the inner wall of the filter paper.

[0012] The food inspection sample liquid separation and filtration device has the advantages that the funnel one, the straight plate, the pipe body, the filter screen and the shaking structure are matched, so that when the device is used, the straight plate can be covered on the top of the funnel one, the filter screen is then entered into the funnel one, the lead screw is inserted into the inner wall of the square plate, the circular block is rotated to move downward on the outer wall of the lead screw, and then fixed, the straight cylinder is pulled to the right to compress the spring, the straight cylinder is released, the spring rebounds to shake the straight cylinder left and right, and then the filter screen is shaken left and right, so that the filter screen is shaken, and the accumulation of residues is avoided to affect the filtering effect of the filter screen.

[0013] The horizontal plate, the funnel two, the filter paper and the pressing structure are matched, so that when the device is used, the groove plate can be inserted into the outer wall of the curved rod one, the circular ring is then entered into the inner wall of the funnel two, the groove plate is attached with one side below of the outer wall of the curved rod one, the circular ring is attached with one side above of the inner wall of the filter paper, the circular ring is just attached with one side above of the inner wall of the filter paper to press tightly, the circular ring is positioned, the pressure of the circular ring on the filter paper is avoided to be too large, the filter paper is avoided to be damaged, and the filtering effect is affected. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 The utility model discloses a structure schematic view;

[0015] Fig. 2 It is the bottom plate, block and square rod structure schematic view of the utility model;

[0016] Fig. 3 It is the screw rod, round block and square plate structure schematic view of the utility model;

[0017] Fig. 4 It is the block, bolt and square rod structure schematic view of the utility model;

[0018] Fig. 5 It is the groove plate, curved rod one and curved rod two structure schematic view of the utility model;

[0019] Fig. 6 It is the cross rod, straight cylinder and spring structure schematic view of the utility model.

[0020] In the drawing: 1, bottom plate, 2, shaking structure, 2a1, rubber pad, 2a2, cross rod, 2a3, straight cylinder, 2a4, spring, 2a5, screw rod, 2a6, round block, 2a7, square plate, 2b1, limiting block, 3, compression structure, 301, groove plate, 302, curved rod one, 303, curved rod two, 304, round ring, 4, block, 5, bolt, 6, cross plate, 7, funnel one, 8, funnel two, 9, cylinder, 10, filter paper, 11, straight plate, 12, pipe body, 13, filter screen, 14, square rod. DETAILED DESCRIPTION

[0021] The utility model will be further described below in connection with the drawings: EMBODIMENT

[0022] Refer to the drawings Figs. 1-6 In this embodiment, a food inspection sample liquid separation and filtration device includes a cross plate 6, an inner wall of the upper cross plate 6 is fixedly connected with a funnel one 7, an inner wall of the lower cross plate 6 is fixedly connected with a funnel two 8, the inner wall of the funnel two 8 is attached with a filter paper 10, the top of the funnel one 7 is attached with a straight plate 11, the inner wall of the straight plate 11 is fixedly connected with a pipe body 12, the bottom of the straight plate 11 is fixedly connected with a filter screen 13, the material and mesh number of the filter screen 13 are determined according to the actual use, one end of the cross plate 6 is fixedly connected with a block 4, the inner wall of the block 4 is gap fitted with a square rod 14, the block 4 can move up and down on the outer wall of the square rod 14 when stressed, the bottom of the square rod 14 is fixedly connected with a bottom plate 1, the top side of the bottom plate 1 is attached with a cylinder 9, the inner wall of one end of the block 4 is threadedly connected with a bolt 5, one side of the funnel one 7 is provided with a shaking structure 2, the lower side of the cross plate 6 is provided with a compression structure 3, the shaking structure 2 facilitates the shaking of the filter screen 13, avoids the accumulation of residues to affect the filtration effect of the filter screen 13, the compression structure 3 facilitates the limiting of the round ring 304, avoids the excessive pressure of the round ring 304 on the filter paper 10, causes the filter paper 10 to be damaged, affects the filtration effect.

[0023] The shaking structure 2 comprises a rubber pad 2a1, one end of the rubber pad 2a1 is fixedly connected with the upper side of the funnel one 7, the inner wall of the rubber pad 2a1 is fixedly connected with a cross bar 2a2, one end of the cross bar 2a2 is fixedly connected with the upper side of the funnel one 7, the outer wall of the cross bar 2a2 is clearance fitted with a straight cylinder 2a3, the cross bar 2a2 plays a limiting role when the straight cylinder 2a3 moves left and right under stress, the top of the straight cylinder 2a3 is fixedly connected with a lead screw 2a5, the outer wall of the lead screw 2a5 is clearance fitted with a square plate 2a7, one end of the square plate 2a7 is fixedly connected with one end of the straight plate 11, the outer wall of the lead screw 2a5 is threadedly connected with a circular block 2a6 above, the outer wall of the cross bar 2a2 is clearance fitted with a spring 2a4 on one side, the spring 2a4 gives the straight cylinder 2a3 an outward force when it moves left and right under stress, the left and right ends of the spring 2a4 are fixedly connected with the inner wall of the straight cylinder 2a3 and the outer wall of the cross bar 2a2 respectively, so as to facilitate the shaking of the filter screen 13 and avoid the accumulation of residues affecting the filtering effect of the filter screen 13.

[0024] The pressing structure 3 comprises a groove plate 301, the top of the groove plate 301 is fixedly connected with the bottom of the lateral plate 6, the bottom inner wall of the groove plate 301 is clearance fitted with a curved rod one 302, the outer wall of the curved rod one 302 is matched with the bottom of the groove plate 301, the lower side of the curved rod one 302 is fixedly connected with the upper side of the funnel two 8, the upper side of the groove plate 301 is fixedly connected with a curved rod two 303, the bottom side of the curved rod two 303 is fixedly connected with a circular ring 304, the bottom of the circular ring 304 is matched with the upper side of the inner wall of the filter paper 10, so as to limit the circular ring 304, avoid the pressure of the circular ring 304 on the filter paper 10 being too large, cause the damage of the filter paper 10 and affect the filtering effect.

[0025] Working principle:

[0026] When the sample is filtered for food inspection:

[0027] After moving the lower cross plate 6 to the appropriate position, rotate the bolt 5, make the bolt 5 abut with one end of the square bar 14, and then realize the fixation of the lower cross plate 6, move the upper block 4 downwards, the upper block 4 drives the upper cross plate 6 to move downwards, and then insert the groove plate 301 into the outer wall of the curved bar one 302, make the circular ring 304 enter the inner wall of the funnel two 8, the groove plate 301 is attached below the outer wall of the curved bar one 302, and the circular ring 304 is just attached and compressed above the inner wall of the filter paper 10, rotate the upper bolt 5, and then realize the fixation of the upper cross plate 6, cover the straight plate 11 on the top of the funnel one 7, and then make the filter screen 13 enter the inside of the funnel one 7, insert the screw rod 2a5 into the inner wall of the square plate 2a7, rotate the circular block 2a6, make the circular block 2a6 move downwards on the outer wall of the screw rod 2a5, and then realize the fixation, inject the food sample from the pipe body 12, pull the straight cylinder 2a3 to the right, the straight cylinder 2a3 compresses the spring 2a4, release the straight cylinder 2a3, the spring 2a4 rebounds to make the straight cylinder 2a3 shake left and right, and then make the filter screen 13 shake left and right, and then filter the large particle residues in the sample, after the sample is filtered by the filter screen 13, falls on the filter paper 10, the filter paper 10 filters the sample again, and the sample after the filtration falls into the inside of the cylinder body 9. Embodiment

[0028] Refer to the attached Figs. 1-6 In the embodiment, the shaking structure 2 can further include a limiting block 2b1, the bottom of the limiting block 2b1 is fixedly connected with one side of the top of the bottom plate 1, and one side of the outer wall of the limiting block 2b1 is attached below one side of the cylinder body 9.

[0029] Working principle:

[0030] Place the cylinder body 9 between the two limiting blocks 2b1, and then limit the cylinder body 9, so that the cylinder body 9 does not deviate and causes the sample to fall outside.

[0031] Although the utility model has been illustrated and described by referring to the preferred embodiments, it should be understood by those skilled in the art that various changes in form and details can be made within the scope of the claims.

Claims

1. A food inspection sample fractionation filter device comprising a cross plate (6), characterised in that: The inner wall of the upper horizontal plate (6) is fixedly connected with funnel one (7), the inner wall of the lower horizontal plate (6) is fixedly connected with funnel two (8), the inner wall of funnel two (8) is attached with filter paper (10), the top of funnel one (7) is attached with straight plate (11), the inner wall of straight plate (11) is fixedly connected with pipe body (12), the bottom of straight plate (11) is fixedly connected with filter screen (13), one end of horizontal plate (6) is fixedly connected with block (4), one side of funnel one (7) is provided with shaking structure (2), the lower side of horizontal plate (6) is provided with pressing structure (3).

2. A food inspection sample aliquoting filter device according to claim 1, wherein: The shaking structure (2) comprises rubber pad (2a1), one end of the rubber pad (2a1) is fixedly connected with one side of the upper side of funnel one (7), the inner wall of the rubber pad (2a1) is fixedly connected with horizontal rod (2a2), one end of the horizontal rod (2a2) is fixedly connected with one side of the upper side of funnel one (7), the outer wall of one side of the horizontal rod (2a2) is clearance fitted with straight cylinder (2a3), the top of the straight cylinder (2a3) is fixedly connected with lead screw (2a5), the outer wall of the lead screw (2a5) is clearance fitted with square plate (2a7), one end of the square plate (2a7) is fixedly connected with one end of straight plate (11), the outer wall of the lead screw (2a5) is threadedly connected with round block (2a6) on the upper side, the outer wall of one side of the horizontal rod (2a2) is clearance fitted with spring (2a4), the left and right ends of the spring (2a4) are respectively fixedly connected with the inner wall of one end of the straight cylinder (2a3) and the outer wall of one side of the horizontal rod (2a2).

3. A food inspection sample aliquoting filter device as defined in claim 1, wherein: The inner wall of the block (4) is clearance fitted with square rod (14), the bottom of the square rod (14) is fixedly connected with bottom plate (1).

4. A food inspection sample aliquoting filter device according to claim 3, wherein: The top of one side of the bottom plate (1) is attached with cylinder (9).

5. A food inspection sample aliquoting filter device as defined in claim 1, wherein: One end of the inner wall of the block (4) is threadedly connected with bolt (5).

6. A food inspection sample separation filter apparatus as defined in claim 1, wherein: The pressing structure (3) comprises groove plate (301), the top of the groove plate (301) is fixedly connected with the bottom of one side of the upper horizontal plate (6), the bottom inner wall of the groove plate (301) is clearance fitted with curved rod one (302), one side of the lower side of the curved rod one (302) is fixedly connected with one side of the upper side of funnel two (8), one side of the upper side of the groove plate (301) is fixedly connected with curved rod two (303), the bottom of one side of the curved rod two (303) is fixedly connected with circular ring (304), the bottom of the circular ring (304) is attached with the inner wall of the upper side of filter paper (10).

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