CN110057989A - A kind of food safety detection liquid drainage device - Google Patents

Abstract

The invention discloses a liquid drainage device for food safety detection, which comprises an inner wire valve, a first connecting pipe and a second connecting pipe. Both sides of the valve; the end of the first connecting pipe away from the inner wire valve is installed with a liquid inlet pipe, and a filter assembly is installed between the first connecting pipe and the liquid inlet pipe; the second connecting pipe is far away from the inner wire valve A liquid outlet pipe is installed on one end of the liquid outlet pipe, and an air bag is communicated with the liquid outlet pipe. The advantages are that the invention has ingenious structure and convenient use, can adjust the flow rate of the liquid inside the pipe body, and is provided with a filter assembly, which can filter the possible particulate matter in the internal liquid, thereby ensuring the purity of the drained liquid.

Description

A liquid drainage device for food safety testing

technical field

The invention relates to the technical field of food detection, in particular to a liquid drainage device for food safety detection.

Background technique

Food safety testing is to detect harmful substances in food according to national indicators, mainly the detection of some harmful and toxic indicators, such as heavy metals, aflatoxins, etc. An important aspect of food science and engineering is the introduction and use of chemical unit operations, and Develop and form food engineering unit operations, thereby promoting the development of the food industry in the direction of large-scale, continuous and automation. The Chinese patent discloses a liquid drainage device (authorized announcement number CN204433302U), the patented technology can drain the liquid in the raw material barrel, which is convenient for discharging, improves work efficiency, and saves manpower and material resources; it is equipped with a valve, which can be controlled by itself Discharge; the parts can be detachably connected, which is convenient for installation, disassembly and cleaning, and achieves the purpose of repeated use. However, the device is not equipped with a filter component, and cannot filter the particulate matter that may exist in the liquid in the liquid storage tank. The purity of the drained liquid cannot be guaranteed, there is no airbag, and the flow rate of the drained liquid in the connecting pipe cannot be adjusted and controlled, which affects the rate of draining.

To this end, we propose a liquid drainage device for food safety testing to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to propose a liquid drainage device for food safety detection in order to solve the problems in the prior art.

In order to achieve the above object, the present invention adopts the following technical solutions:

A liquid drainage device for food safety detection, comprising an inner silk valve, a first connecting pipe and a second connecting pipe, one end of the first connecting pipe and one end of the second connecting pipe are both threadedly connected to both sides of the inner silk valve ;

A liquid inlet pipe is installed at one end of the first connecting pipe away from the inner silk valve, and a filter assembly is installed between the first connecting pipe and the liquid inlet pipe;

A liquid outlet pipe is installed at one end of the second connecting pipe away from the inner wire valve, and an air bag is communicated with the liquid outlet pipe.

In the above-mentioned liquid drainage device for food safety detection, the inner wire valve includes a valve body, a connecting piece is fixedly connected to the side wall of the valve body, and a sealing piece is fixedly connected to the upper end of the connecting piece, so The connecting piece is internally threaded with a threaded rod, the upper end of the threaded rod penetrates the seal and is fixedly connected with a rotary seat, the upper end of the threaded rod is threadedly connected with a nut, and the lower end face of the nut is in contact with the upper end face of the rotary seat;

The inner wall of the valve body is provided with a buffer groove, a buffer cavity is opened between the connecting piece and the valve body, the lower end of the threaded rod is fixedly connected with an intercepting piece, and the buffer cavity is a square cavity. The lower end of the intercepting piece is located in the buffer groove.

In the above-mentioned liquid drainage device for food safety testing, a first flange is installed at one end of the first connecting pipe away from the inner wire valve, and a second flange is installed at one end of the liquid inlet pipe close to the first connecting pipe The filter assembly is installed between the first flange plate and the second flange plate, and the first flange plate, the filter assembly, and the second flange plate are fixedly connected by a plurality of first locking screws.

In the above-mentioned liquid drainage device for food safety detection, a third flange is installed at one end of the second connecting pipe away from the inner wire valve, and a fourth flange is installed at one end of the liquid outlet pipe close to the second connecting pipe The third flange and the fourth flange are connected by a plurality of second locking screws.

In the above-mentioned liquid drainage device for food safety detection, the filter assembly includes an installation plate and a filter screen, and the installation plate is provided with a circular hole and a plurality of installation holes, and the plurality of installation holes are symmetrical with the circular hole as the center The inner wall of the circular hole is fixedly connected with a limiting cylinder, and the diameter of the outer wall of the limiting cylinder is equal to that of the inner wall of the first connecting pipe, and the filter screen is slidably connected to the inner wall of the limiting cylinder.

In the above-mentioned liquid drainage device for food safety detection, a plurality of T-shaped chutes are symmetrically opened on the inner side wall of the limiting cylinder, and the filter screen includes a mounting ring, and the outer side wall of the mounting ring is symmetrically and fixedly connected There are a plurality of T-shaped sliding blocks, and each T-shaped sliding block is slidably connected in the T-shaped sliding groove corresponding to the position, and the gauze is tightly and fixedly connected in the installation ring.

In the above-mentioned liquid drainage device for food safety detection, the inner part of the valve tube is composed of an interception area and two installation areas, and the interception area is located between the two installation areas, and the inner wall of each installation area is provided with There are threads, and the first connecting pipe and the second connecting pipe are respectively threaded on two threads;

The cross section of the intercepting sheet is circular, the diameter of the intercepting sheet is greater than the inner diameter of the intercepting area, and the length of the buffer cavity in the direction parallel to the cross section of the intercepting sheet is greater than the diameter of the intercepting sheet.

Compared with the prior art, the beneficial effects of the present invention are:

1. There is an air bag connected to the liquid outlet pipe. The air bag can cause the change of the pressure in the liquid outlet pipe. Due to the change of the pressure, the speed of the liquid flow in the pipe body will change, and then the flow rate of the liquid inside the pipe body will be adjusted.

2. The setting of the mounting holes on the mounting plate can realize the installation of the mounting plate between the second flange and the first flange during the connection between the second flange and the first flange, and no additional connection is required. With the structure, the filter assembly can be installed, and at the same time, arranging the filter assembly between the first connection pipe and the liquid inlet pipe can facilitate the cleaning and replacement of the filter assembly.

3. The limit cylinder in the installation assembly and the T-shaped chute, filter screen and T-shaped slider on the limit cylinder can realize the disassembly and installation between the installation plate and the filter screen, which is convenient for the replacement of the filter screen. It is not necessary to replace the installation plate and the limit cylinder when the net is installed. At the same time, the direction of the T-shaped chute can ensure that when the liquid flows from the liquid inlet pipe to the liquid outlet pipe, the T-shaped slider is under the influence of the liquid flow rate. It can be blocked by the inner end wall of the T-shaped chute and will not escape from the T-shaped chute.

To sum up, the present invention has an ingenious structure, is convenient to use, can adjust the flow rate of the liquid inside the pipe body, and is provided with a filter assembly, which can filter the particulate matter that may exist in the internal liquid, thereby ensuring the purity of the drained liquid.

Description of drawings

1 is a schematic structural diagram of a liquid drainage device for food safety detection proposed by the present invention;

2 is an enlarged view of the structure of a part of a filter assembly in a liquid drainage device for food safety detection proposed by the present invention;

3 is a schematic structural diagram of a part of a mounting plate in a liquid drainage device for food safety detection proposed by the present invention;

4 is an enlarged view of the structure of a part of a filter screen in a liquid drainage device for food safety detection proposed by the present invention.

In the figure: 1. Inner wire valve, 2. Second connecting pipe, 3. Liquid inlet pipe, 4. Liquid outlet pipe, 5. Second flange, 6. First flange, 7. Filter assembly, 8. First locking screw, 9. The third flange, 10 the fourth flange, 11 the second locking screw, 12 airbags, 13 valve body, 14 interception piece, 15 buffer groove, 16 first connecting pipe, 17 interception area, 18 seals, 19 threaded rod, 20 connecting piece, 21 nut, 22 rotary seat;

7. Filter assembly, 701 installation plate, 702 filter screen, 703 limit cylinder, 704T type chute, 705 installation hole;

702 filter screen, 7021T-type slider, 7022 mounting ring, 7023 gauze.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inside", " The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, so as to specific orientations, configurations and operations, and therefore should not be construed as limitations of the invention

Example

1-4, a liquid drainage device for food safety testing, including an inner wire valve 1, a first connecting pipe 16 and a second connecting pipe 2, one end of the first connecting pipe 16 and one end of the second connecting pipe 2 are Threaded on both sides of the inner wire valve 1.

The inner wire valve 1 includes a valve body 13, a connecting piece 20 is fixedly connected to the side wall of the valve body 13, a sealing piece 18 is fixedly connected to the upper end of the connecting piece 20, and a threaded rod 19 is threadedly connected to the connecting piece 20. The upper end of 19 penetrates the seal 18 and is fixedly connected with a rotary seat 22 .

A buffer groove 15 is opened on the inner wall of the valve body 13, a buffer cavity is opened between the connector 20 and the valve body 13, the lower end of the threaded rod 19 is fixedly connected with an intercepting piece 14, and the buffer cavity is a square cavity, and the intercepting piece The lower end of 14 is located in the buffer tank 15, the inside of the valve body 13 is divided into an interception area 17 and two installation areas, and the interception area 17 is located between the two installation areas, and the inner wall of each installation area is provided with threads 13. , and the first connecting pipe 16 and the second connecting pipe 2 are respectively screwed on the two sections of thread 13, the cross section of the intercepting piece 14 is circular, and the diameter of the intercepting piece 14 is larger than the inner diameter of the intercepting area 17 to ensure that the intercepting piece 14 is in the When intercepting the liquid, the flow of the liquid in the intercepting area 17 can be completely blocked, and the length of the buffer cavity in the parallel direction of the cross section of the intercepting sheet 14 is greater than the diameter of the intercepting sheet 14, which can ensure that the intercepting sheet 14 can enter during the upward movement of the threaded rod 19. In the buffer cavity, it will not be blocked outside the buffer cavity due to the size limitation of the buffer cavity.

A liquid inlet pipe 3 is installed at one end of the first connecting pipe 16 away from the inner wire valve 1 , a filter assembly 7 is installed between the first connecting pipe 16 and the liquid inlet pipe 3 , and one end of the first connecting pipe 16 away from the inner wire valve 1 is installed There is a first flange 6 , a second flange 5 is installed at one end of the liquid inlet pipe 3 close to the first connecting pipe 16 , and the filter assembly 7 is installed between the first flange 6 and the second flange 5 , the first flange 6 , the filter assembly 7 , and the second flange 5 are fixedly connected by a plurality of first locking screws 8 .

The filter assembly 7 includes an installation plate 701 and a filter screen 702. The installation plate 701 is provided with a circular hole and a plurality of installation holes 705, and the plurality of installation holes 705 are symmetrically distributed around the circular hole, and the inner wall of the circular hole has limited fixed connections. Limiting cylinder 703, and the diameter of the outer wall of the limiting cylinder 703 is equal to the diameter of the inner wall of the first connecting pipe 16, and the filter screen 702 is slidably connected to the inner wall of the limiting cylinder 703, and the inner wall of the limiting cylinder 703 is symmetrically opened with multiple T-shaped chute 704, and one end of the T-shaped chute 704 close to the mounting plate 701 is in communication with the end surface of the limit cylinder 703, and the length of each T-shaped chute 704 is less than the height of the limit cylinder 703, during the liquid flow process In the middle, under the impact of the liquid flow rate, the filter screen 702 can abut against the inner end surface of the T-shaped chute 704, so that the filter screen 702 will not be separated from the limiting cylinder 703. The filter screen 702 includes a mounting ring 7022, and the outer side wall of the mounting ring 7022 A plurality of T-shaped sliding blocks 7021 are symmetrically and fixedly connected on the upper part, and each T-shaped sliding block 7021 is slidably connected in the corresponding T-shaped sliding grooves 704 , and a gauze 7023 is tightly and fixedly connected in the installation ring 7022 .

One end of the second connecting pipe 2 away from the inner wire valve 1 is installed with a liquid outlet pipe 4, the liquid outlet pipe 4 is connected with the air bag 12, and one end of the second connecting pipe 2 away from the inner wire valve 1 is installed with a third flange 9, A fourth flange 10 is installed on one end of the liquid outlet pipe 4 close to the second connecting pipe 2 , and the third flange 9 and the fourth flange 10 are connected by a plurality of second locking screws 11 .

In the present invention, when the liquid is drained, the rotary seat 22 is first rotated clockwise, and the rotary seat 22 drives the threaded rod 19 to rotate clockwise and move upward, then the intercepting piece 14 fixedly connected to the lower end of the threaded rod 19 moves upward to the buffer cavity accordingly. At this time, the first connecting pipe 16 and the second connecting pipe 2 are communicated through the valve body 13, and the liquid is sequentially installed through the liquid inlet pipe 3, the first connecting pipe 16, the second connecting pipe 2 and the liquid outlet pipe 4. During the drainage process, the liquid passes through the filter screen 702 in the filter assembly 7 to filter impurities in the liquid. During the drainage process, pressing the airbag 12 will cause a change in the pressure in the liquid outlet pipe 4. Due to the pressure change, the liquid in the pipe will flow. speed will change.

When it is necessary to clean or replace the filter screen 702, first stop using the device for liquid drainage, and separate the liquid inlet pipe 3 from the first connecting pipe 16 by removing the first locking screw 8. At this time, the filter assembly 7 will also be removed. , and then push the filter screen 702 in the direction of the round hole. At this time, the filter screen 702 slides in the T-shaped chute 704 until the filter screen 702 is separated from the T-shaped chute 704. At this time, the filter screen 702 can be replaced or cleaned. .

After cleaning or replacing the new filter screen 702, the filter assembly 7 is installed between the second flange 5 and the first flange 6, and then the second flange 5 and the filter are connected by the first locking screw 8. The assembly 7 and the first flange 6 can be fixedly installed.

Although the inner wire valve 1, the second connecting pipe 2, the liquid inlet pipe 3, the liquid outlet pipe 4, the second flange plate 5, the first flange plate 6, the filter assembly 7, the installation plate 701, Filter screen 702, T-shaped slider 7021, installation ring 7022, gauze 7023, limit cylinder 703, T-shaped chute 704, installation hole 705, first locking screw 8, third flange 9, fourth method Blue plate 10, second locking screw 11, air bag 12, valve body 13, intercepting piece 14, buffer groove 15, first connecting pipe 16, intercepting area 17, sealing member 18, threaded rod 19, connecting member 20, nut 21, rotary seat 22 and other terms, but does not exclude the possibility of using other terms. These terms are used only to more conveniently describe and explain the essence of the present invention; it is contrary to the spirit of the present invention to interpret them as any kind of additional limitation.

Claims (6)

1. A liquid drainage device for food safety detection, comprising an inner silk valve (1), a first connecting pipe (16) and a second connecting pipe (2), characterized in that: the first connecting pipe (16) has a One end and one end of the second connecting pipe (2) are both threadedly connected to both sides of the inner wire valve (1); A liquid inlet pipe (3) is installed at one end of the first connecting pipe (16) away from the inner wire valve (1), and a filter assembly (3) is installed between the first connecting pipe (16) and the liquid inlet pipe (3). 7); A liquid outlet pipe (4) is installed at one end of the second connecting pipe (2) away from the inner wire valve (1), and an air bag (12) is communicated with the liquid outlet pipe (4). 2. A liquid drainage device for food safety detection according to claim 1, characterized in that: the inner wire valve (1) comprises a valve pipe body (13), and the side wall of the valve pipe body (13) A connecting piece (20) is fixedly connected to the upper end, a sealing piece (18) is fixedly connected to the upper end of the connecting piece (20), a threaded rod (19) is internally threadedly connected with the connecting piece (20), and the threaded rod ( The upper end of 19) penetrates the seal (18) and is fixedly connected with a rotary seat (22), the upper end of the threaded rod (19) is threadedly connected with a nut (21), and the lower end surface of the nut (21) is connected to the rotary seat (22). ) on the upper end face. 3. A liquid drainage device for food safety detection according to claim 1, characterized in that: one end of the first connecting pipe (16) away from the inner wire valve (1) is provided with a first flange (6). ), a second flange (5) is installed at one end of the liquid inlet pipe (3) close to the first connecting pipe (16), and the filter assembly (7) is installed on the first flange (6) and the second flange (6) Between the flanges (5), the first flange (6), the filter assembly (7), and the second flange (5) are fixedly connected by a plurality of first locking screws (8). 4. A liquid drainage device for food safety detection according to claim 1, characterized in that: one end of the second connecting pipe (2) away from the inner wire valve (1) is provided with a third flange (9). ), a fourth flange (10) is installed at one end of the liquid outlet pipe (4) close to the second connecting pipe (2), the third flange (9) and the fourth flange (10) They are connected by a plurality of second locking screws (11). 5. A liquid drainage device for food safety detection according to claim 2, characterized in that: a buffer groove (15) is opened on the inner wall of the valve body (13), and the connector (20) is connected to the inner wall of the valve body (13). A buffer cavity is opened between the valve bodies (13), the lower end of the threaded rod (19) is fixedly connected with an intercepting sheet (14), and the lower end of the intercepting sheet (14) is located in the buffer groove (15). 6. A kind of liquid drainage device for food safety detection according to claim 2, characterized in that: the inside of the valve body (13) is divided into an interception area (17) and two installation areas, and the interception area (13). 17) Located between the two installation areas.