Double-filtration detection device

Abstract

The utility model relates to the field of ice cream production, in particular to a double-filtration detection device which comprises a base, a cleaning seat, a dilution cup and a filter paper funnel, an adjusting upright post is fixedly mounted on the left side of the upper end of the base, an anti-skid foot pad is arranged at the lower end of the base, and a connecting frame is fixedly mounted at the upper end of the base and positioned on the right side of the adjusting upright post; a positioning assembly is arranged at the right end of the inner side of the connecting frame, the cleaning seat is slidably connected with the connecting frame, a groove is formed in the upper end face of the cleaning seat, the lower end of the dilution cup is attached to the cleaning seat, and a movable seat is installed on the surface of the adjusting stand column. Samples are poured into the filter paper funnels to be filtered, the two filter paper funnels can be conveniently stacked through the two placing frames, double filtering is achieved, the filtering effect is guaranteed, filtered liquid is collected through the dilution cup, dilution detection can be conveniently conducted, and by means of sliding of the movable base on the adjusting stand column, the bolt rod and the bolt hole, the filtering effect is improved. The position of the filter paper funnel is convenient to adjust and flexibility is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of ice cream production especially, relate to a double filtration detection device. BACKGROUND

[0002] Ice cream is the volume expansion frozen food that with drinking water, milk, milk powder, cream (or vegetable oil), sugar and so on as main raw material, join proper food additive, carry out mixing, sterilization, homogenization, aging, freeze, hardening process, but in production, for food safety, need to carry out sampling detection, but the detection of ice cream is different, the microorganism in ice cream has its own characteristics, the microorganism is in the dormant state under the frozen condition, and gradually adapts the environment of ultralow temperature. When detecting, both the injured bacteria are repaired, and they are rapidly and fully grown and accurately counted at the conventional culture temperature.

[0003] For example, patent number CN106337079B discloses a kind of ice cream safety detection method, comprising the following steps:

[0004] (1) under aseptic condition, a certain amount of ice cream sample is weighed, placed in deionized water, and mixed thoroughly;(2) 1mL homogeneous liquid obtained in step (1) is inoculated into liquid culture medium, and cultured at 37℃ for 2-3 hours, while supplemented with intermittent low-frequency ultrasonic wave;(3) the culture solution obtained in step (2) is diluted and filtered by 5-10 times, 2mL is taken and added to a microbial rapid detector for detection, and then the total number of viable bacteria in unit sample can be calculated according to the dilution multiple. The safety detection method can maximize reflect the real situation, and quickly and accurately detect the total number of viable bacteria. Generally, after sampling and processing, the quantitative sample needs to be filtered and diluted before being taken and added to a microbial rapid detector for detection. Finally, the total number of viable bacteria in unit sample is calculated according to the dilution multiple. However, the existing filtration detection device has poor flexibility and poor filtration effect, which can easily contaminate the sample and affect the detection result.

[0005] Therefore, in view of the above problems of the existing filtration detection device, such as poor flexibility, poor filtration effect, easy contamination of the sample and influence on the detection result, a double filtration detection device can be designed to realize double filtration, ensure the filtration effect and have good flexibility and convenience. UTILITY MODEL CONTENTS

[0006] In order to overcome the problem of poor flexibility and poor filtration effect of the existing filtration detection device, which can easily contaminate the sample and affect the detection result.

[0007] The utility model discloses a technical scheme for a double filtration detection device, which comprises a base, a cleaning seat, a dilution cup and a filter paper funnel. An adjusting column is fixedly installed on the left side of the upper end of the base. Anti-skid foot pads are arranged at the lower end of the base. A connecting frame is fixedly installed on the right side of the upper end of the base. A positioning assembly is arranged at the right end of the inner side of the connecting frame. The cleaning seat and the connecting frame are slidingly connected. A groove is formed in the upper end surface of the cleaning seat. The lower end of the dilution cup is connected to the cleaning seat. A movable seat is installed on the surface of the adjusting column. An adjusting assembly is arranged on the surface of the movable seat. A placing rack is fixedly connected to the right end of the movable seat. The filter paper funnel has a ring structure. The placing rack and the filter paper funnel are snap-fit connected.

[0008] Preferably, the filter paper funnel is placed in the placing rack, and the dilution cup is placed in the cleaning seat at the bottom of the filter paper funnel. When dilution filtration is performed, the sample is poured into the filter paper funnel, and the filtered liquid is collected in the dilution cup, facilitating dilution treatment.

[0009] Preferably, a reinforcing plate is arranged at the lower end of the surface of the adjusting column. The reinforcing plate has three reinforcing plates. The lower end of the reinforcing plate is fixedly connected to the base.

[0010] Preferably, the positioning assembly comprises a positioning block. The connecting frame has a U-shaped structure. An active slot is formed in the inner side of the surface of the connecting frame. The active slot and the positioning block are slidingly connected. Two active slots are symmetrically arranged.

[0011] Preferably, a connecting spring is arranged in the inner side of the active slot. One end of the connecting spring is fixedly connected to the connecting frame. The other end of the connecting spring is fixedly connected to the positioning block. The end of the positioning block away from the connecting spring has an arc-shaped structure. The end of the positioning block is connected to the cleaning seat.

[0012] Preferably, the movable seat has two movable seats. The left end of the movable seat has a ring structure. Sliding blocks are fixedly connected to the front and rear ends of the inner side of the movable seat. Guide sliding grooves are formed in the two sides of the surface of the adjusting column. The guide sliding grooves and the sliding blocks are slidingly connected.

[0013] Preferably, the adjusting assembly comprises a bolt rod. The bolt rod is slidingly installed at the left end of the movable seat. An operating handle is fixedly connected to the outer side of the left end of the bolt rod. A compression spring is sleeved on the outer side of the bolt rod. The two ends of the compression spring are fixedly connected to the movable seat and the operating handle.

[0014] Preferably, a bolt hole is formed in the left side of the surface of the adjusting column. The bolt holes are equally spaced. The right end of the bolt rod is bolted to the bolt hole.

[0015] The utility model has the advantages of:

[0016] The double filtration detection device realizes filtration by pouring sample into filter paper funnels, two placing racks facilitate stacking of the two filter paper funnels, double filtration is realized, filtration effect is guaranteed, liquid filtered is collected by a dilution cup, dilution detection is facilitated, and the sliding of the movable seat on the adjusting column, the bolt rod and the bolt hole facilitate adjustment of the position of the filter paper funnels, and flexibility is increased. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The double filtration detection device is shown as a whole structure schematic diagram Figure 1 ;

[0018] Figure 2 The double filtration detection device is shown as a whole structure schematic diagram Figure 2 ;

[0019] Figure 3 The double filtration detection device is shown as a whole structure schematic diagram

[0020] Figure 4 The double filtration detection device is shown as a whole structure schematic diagram

[0021] The double filtration detection device is shown as a whole structure schematic diagram Specific embodiments

[0022] The double filtration detection device is shown as a whole structure schematic diagram

[0023] The double filtration detection device is shown as a whole structure schematic diagram Figures 1-4The utility model provides a kind of embodiment: a double filtration detection device, including base 1, still including cleaning seat 4, dilution cup 6 and filter paper funnel 7, the left side fixed mounting of base 1 upper end is equipped with adjusting column 2, the lower end of adjusting column 2 surface is equipped with reinforcing plate, reinforcing plate is equipped with three, the lower end of base 1 is equipped with antiskid foot pad 3, the upper end of base 1 is located in the right side fixed mounting of adjusting column 2 and is equipped with connecting frame 5, the right end of connecting frame 5 inboard is equipped with positioning assembly, cleaning seat 4 and connecting frame 5 slidingly connect, the upper end surface of cleaning seat 4 is opened with recess, the lower end of dilution cup 6 and cleaning seat 4 are connected, the surface of adjusting column 2 is equipped with movable seat 8, the surface of movable seat 8 is equipped with adjusting assembly, the right end of movable seat 8 is fixedly connected with placing rack 9, filter paper funnel 7 is annular structure design, placing rack 9 and filter paper funnel 7 are engagedly connected, the lower end of reinforcing plate and base 1 fixed connection, filter paper funnel 7 is placed in placing rack 9, and dilution cup 6 is placed in cleaning seat 4, located in the bottom of filter paper funnel 7, when filtering dilution, sample is poured into filter paper funnel 7, and filtered liquid is collected in dilution cup 6, and it is convenient to dilute processing.

[0024] Please refer to 1、 Figure 2 And Figure 3 In the embodiment, the positioning assembly includes positioning block 51, the connecting frame 5 is designed as U-shaped structure, the inner side of the surface of the connecting frame 5 is provided with movable slot 52, the movable slot 52 is slidingly connected with the positioning block 51, the movable slot 52 is symmetrically provided with two, the inner side of the movable slot 52 is provided with connecting spring 53, one end of the connecting spring 53 is fixedly connected with the connecting frame 5, the other end of the connecting spring 53 is fixedly connected with the positioning block 51, the end of the positioning block 51 away from the connecting spring 53 is designed as arc-shaped structure, and the end of the positioning block 51 is connected with the cleaning seat 4, the positioning block 51 is used to form engagement with the cleaning seat 4, the cleaning seat 4 is conveniently installed and disassembled, and the cleaning seat 4 is conveniently cleaned.

[0025] Please refer to Figure 1 、 Figure 2 And Figure 4In the embodiment, the two movable seats 8 are provided, the left end of the movable seat 8 is designed in a ring structure, the front and rear ends of the inner side of the movable seat 8 are fixedly connected with sliding blocks 81, the both sides of the surface of the adjusting column 2 are provided with guiding sliding grooves 21, the guiding sliding grooves 21 and the sliding blocks 81 are slidingly connected, the adjusting assembly comprises a latch rod 82, the left end of the movable seat 8 is slidingly installed with the latch rod 82, the left end of the latch rod 82 extends to the outer side of the movable seat 8 and is fixedly connected with a movable handle 83, the outer side of the latch rod 82 is sleeved with a compression spring 84, the both ends of the compression spring 84 are fixedly connected with the movable seat 8 and the movable handle 83, the left side of the surface of the adjusting column 2 is provided with latch holes 22, the latch holes 22 are distributed at equal intervals, the right end of the latch rod 82 is latchingly connected with the latch hole 22, which is convenient for adjusting the height of the filter paper funnel 7, and the personnel moves the movable handle 83 to drive the latch rod 82 to move, so that the latch rod 82 and the latch hole 22 are separated, the movable seat 8 is conveniently slid on the adjusting column 2, and the elasticity of the compression spring 84 is utilized to make the latch rod 82 enter the latch hole 22 to limit and fix the position of the movable seat 8.

[0026] In the operation, the filter paper funnel 7 is disposable filter paper, convenient to replace, the conical structure is put into the placing rack 9, the two movable seats 8 are placed up and down, so that the filter paper funnel 7 is stacked, the sample taken out is poured into the filter paper funnel 7 to realize filtration, double filtration is realized, the liquid filtered at the bottom is collected by the dilution cup 6, convenient for dilution treatment, a certain amount of the diluted sample is taken out and added into the microbial rapid detector for detection, finally the total number of viable bacteria in the unit sample is calculated according to the dilution multiple, the positions of the two movable seats 8 can be adjusted, the right end of the latch rod 82 is latchingly connected with the latch hole 22, which is convenient for adjusting the height of the filter paper funnel 7, the personnel moves the movable handle 83 to drive the latch rod 82 to move, so that the latch rod 82 and the latch hole 22 are separated, the movable seat 8 is conveniently slid on the adjusting column 2, and the elasticity of the compression spring 84 is utilized to make the latch rod 82 enter the latch hole 22 to limit and fix the position of the movable seat 8, and in the operation, when the dilution cup 6 is taken away, part of the liquid will naturally fall down, polluting the cleaning seat 4, so that the cleaning seat 4 and the connecting frame 5 are slidingly connected, the cleaning seat 4 is conveniently disassembled for cleaning.

[0027] Through the above steps, the filter paper funnel 7 is put into the placing rack 9, and the dilution cup 6 is put into the cleaning seat 4 at the bottom of the filter paper funnel 7, in the filtration and dilution, the sample is poured into the filter paper funnel 7, the filtered liquid enters the dilution cup 6 for collection, convenient for dilution treatment, to solve the problems that the existing filtration and detection device has poor flexibility and poor filtration effect, is easy to pollute the sample and affect the detection result.

Claims

1. A dual filtration detection device comprising a base (1) characterised in that: The cleaning seat (4), the dilution cup (6) and the filter paper funnel (7) are arranged on the base (1), the adjusting column (2) is arranged on the left side of the upper end of the base (1), the anti-skid foot pads (3) are arranged on the lower end of the base (1), the connecting frame (5) is arranged on the right side of the upper end of the base (1), the positioning assembly is arranged on the right end of the inner side of the connecting frame (5), the cleaning seat (4) is slidably connected with the connecting frame (5), the recess is arranged on the upper end surface of the cleaning seat (4), the dilution cup (6) is connected with the cleaning seat (4), the movable seat (8) is arranged on the surface of the adjusting column (2), the adjusting assembly is arranged on the surface of the movable seat (8), the placing rack (9) is fixedly connected with the right end of the movable seat (8), and the filter paper funnel (7) is designed in a ring shape.

2. The dual filtration detection device of claim 1, wherein: The reinforcing plates are arranged on the lower end of the surface of the adjusting column (2), and three reinforcing plates are arranged.

3. The dual filtration detection device of claim 1, wherein: The positioning assembly comprises the positioning blocks (51), the connecting frame (5) is designed in a U shape, the movable grooves (52) are arranged on the inner side of the surface of the connecting frame (5), the movable grooves (52) are slidably connected with the positioning blocks (51), and the movable grooves (52) are symmetrically arranged.

4. The dual filtration detection device of claim 3, wherein: The connecting springs (53) are arranged on the inner side of the movable grooves (52), one end of the connecting spring (53) is fixedly connected with the connecting frame (5), the other end of the connecting spring (53) is fixedly connected with the positioning block (51), the end, away from the connecting spring (53), of the positioning block (51) is designed in an arc shape, and the end of the positioning block (51) is connected with the cleaning seat (4).

5. The dual filtration detection device of claim 1, wherein: The movable seats (8) are arranged on the left end of the adjusting column (2), the movable seats (8) are designed in a ring shape, the sliding blocks (81) are fixedly connected with the front and rear ends of the inner side of the movable seats (8), the guide sliding grooves (21) are arranged on the two sides of the surface of the adjusting column (2), and the guide sliding grooves (21) are slidably connected with the sliding blocks (81).

6. The dual filtration detection device of claim 1, wherein: The adjusting assembly comprises the bolt rods (82), the bolt rods (82) are slidably arranged on the left end of the movable seats (8), the movable handles (83) are fixedly connected with the left ends of the bolt rods (82) and extend to the outer side of the movable seats (8), the compression springs (84) are arranged on the outer sides of the bolt rods (82), and the two ends of the compression springs (84) are fixedly connected with the movable seats (8) and the movable handles (83).

7. A dual filtration detection device according to claim 6, wherein: The bolt holes (22) are arranged on the left side of the surface of the adjusting column (2) and are arranged at equal intervals, and the right ends of the bolt rods (82) are boltedly connected with the bolt holes (22).

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