CN210981954U

CN210981954U - Drinking water detection device

Info

Publication number: CN210981954U
Application number: CN201921263227.XU
Authority: CN
Inventors: 胡海兰
Original assignee: Baoshan Linzhiquan Industry And Trade Co ltd
Current assignee: Baoshan Linzhiquan Industry And Trade Co ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-07-10
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses a drinking water detection device, which comprises an aseptic box body, a clamping device, a pipeline, a disinfection device, a vacuum pump and a transfusion device, wherein the aseptic box body is a transparent airtight box body, the top of the aseptic box body is provided with a liquid inlet hole, a clamping opening and an air exhaust hole, the liquid inlet hole is connected with the water inlet end of the pipeline, and the tail end of the pipeline is provided with a second-level pipeline; the clamping device penetrates through the clamping opening and enters the sterile box body; a vacuum pump is arranged outside the sterile box body, a rubber hose is arranged at an air exhaust port of the vacuum pump, and the tail end of the rubber hose penetrates through an air exhaust hole and is connected with a secondary pipeline; the side wall of the sterile box body is provided with a drawable storage cabinet, and a transfusion device and a disinfection device are arranged in the storage cabinet; the utility model discloses unify the step that needs aseptic technique such as filtration, bacterial culture among the drinking water detection procedure and go on in the aseptic box, reduced the external miscellaneous fungus pollution problem that leads to because of the manual operation is not standard or lack aseptic technique equipment among the in-process, make follow-up count and detect more accurate.

Description

Drinking water detection device

Technical Field

The utility model relates to a detection area especially relates to a drinking water detection device.

Background

The purpose of the filtration is not to obtain a filtrate or trapped components. The type of filtration is various, such as membrane filtration, screen filtration, centrifugal filtration, etc. The application of membrane filtration is various, for example, for microbial detection, the membrane filtration is to use a filter membrane with a certain pore size to intercept microbes from liquid, make the microbes grow into bacterial colonies on the surface of the membrane, and then culture, count, identify and the like. The method can be used for microbial detection of beverages, and can also be used for microbial detection of washing water, processing water and sewage, is one of the best microbial detection standard methods recognized by most countries abroad, and is widely applied to the fields of environmental monitoring, food and beverage industry, cosmetics and the like. However, when a substance with a low microorganism content such as drinking water is examined, higher requirements are put on detection operation, and drinking water detection is difficult to carry out by self aiming at a general production workshop which is lack of a sterile operation room and is configured by professionals.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a drinking water detection device to the not enough of prior art.

In order to achieve the above purpose, the present invention is achieved by the following technical solutions.

A drinking water detection device comprises an aseptic box body, a clamping device, a pipeline, a disinfection device, a vacuum pump and a transfusion device, wherein the aseptic box body is a transparent closed box body, the top of the aseptic box body is provided with a liquid inlet hole, a clamping opening and an air exhaust hole, the liquid inlet hole is provided with a matched rubber plug, the liquid inlet hole is connected with the water inlet end of the pipeline, the tail end of the pipeline is provided with a secondary pipeline, and the water outlet end of the pipeline is provided with a recovery bottle; the clamping device penetrates through the clamping opening and enters the sterile box body; a vacuum pump is arranged outside the sterile box body, a rubber hose is arranged at an air exhaust port of the vacuum pump, and the tail end of the rubber hose penetrates through an air exhaust hole and is connected with a secondary pipeline; the side wall of the sterile box body is provided with a drawable storage cabinet, a transfusion device is arranged in the storage cabinet, and the inner wall of the storage cabinet is provided with a disinfection device.

Furthermore, the middle section of the pipeline is provided with an upper through groove and a lower through groove, the upper through groove and the lower through groove are respectively arranged at the top and the bottom of the pipeline and correspond to each other, and the water outlet end of the pipeline is connected with the bottle mouth of the recovery bottle through a rubber hose.

Furthermore, the clamping device comprises a support rod, a push rod, a chuck, a filter screen and sealing rubber, the support rod is arranged on two sides of the clamping opening and connected with the pipeline, the push rod is a rectangular flaky long rod, the chuck is arranged at the bottom of the push rod, the filter screen is arranged in the chuck, and the sealing rubber is arranged on the chuck.

Furthermore, the chuck comprises two clamping pieces, a return spring and a pull rope, wherein the return spring is arranged at the joint of the two clamping pieces, the pull rope is arranged on the outer side of the clamping piece, the other end of the pull rope is connected with the lower through groove, the distance from the clamping opening to the lower through groove is H, the filter screen is a rectangular filter screen, the length of the rectangular filter screen is L, the length of the pull rope is H + L, and the distance from the lower through groove to the culture dish is greater than H + L.

Further, degassing unit is ultraviolet lamp or disinfection spray gun, is provided with the heating bath in putting the thing cabinet, and the heating bath sets up under logical groove down, and the inboard ring of heating bath is equipped with the heating resistor silk, and the temperature of heating resistor silk can be regulated and control, has placed the culture dish in the heating bath, is provided with the culture medium in the culture dish and absorbs the pad.

Further, infusion set includes infusion hole, transfer line, syringe filter, support, puts the outer wall of thing cabinet and sets up the infusion hole with external intercommunication, and the inboard of putting the thing cabinet is provided with the support, and the support is connected with the transfer line, and the transfer line is flexible plastics hard tube, and the inlet of transfer line links to each other with the liquid outlet of syringe filter, and the liquid outlet of transfer line is unsettled to be set up in the top of culture dish, and the inlet of syringe filter passes the infusion hole and sets up in the outside of putting the thing cabinet.

Furthermore, the sterile box body and the storage cabinet are made of transparent glass.

Furthermore, the liquid inlet hole, the clamping opening, the air exhaust hole and the infusion hole are respectively provided with a closed rubber ring, and the position of the wall of the sterile box body, which is contacted with the storage cabinet, is provided with a sealing strip.

The beneficial effects of the utility model reside in that, unify the step that needs aseptic technique such as filtration, bacterial culture among the drinking water detection procedure and go on in the aseptic box, reduced the external miscellaneous fungus pollution problem that leads to because of the manual operation is not standard or lack aseptic technique equipment among the in-process, make follow-up count more accurate with the detection.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a clamping device 2 of the present invention;

FIG. 3 is a schematic view of the clamping device 2 according to the present invention after pushing;

in the figure: 1. a sterile box body; 11. a liquid inlet hole; 12. a clamping port; 13. an air exhaust hole; 14. a sealing strip; 2. a clamping device; 21. a stay bar; 22. a push rod; 23. a chuck; 231. a clip; 232. a return spring; 233. pulling a rope; 24. filtering with a screen; 25. sealing rubber; 3. a pipeline; 31. an upper through groove; 32. a lower through groove; 33. a secondary pipeline; 34. recovering the bottle; 4. a sterilizing device; 5. a heating tank; 6. a vacuum pump; 7. a fluid infusion device; 71. a transfusion hole; 72. a transfusion tube; 73. a syringe filter; 74. a support; 8. a storage cabinet.

Detailed Description

The present invention is further illustrated by the following examples, but is not limited to the contents of the specification.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

As shown in the figure: the utility model provides a drinking water detection device, includes aseptic box 1, clamping device 2, pipeline 3, degassing unit 4, heating tank 5, vacuum pump 6, aseptic box 1 is transparent airtight box, feed liquor hole 11, grip orifice 12, aspirating hole 13 have been seted up at the top of aseptic box 1, movable mounting has the rubber buffer of adaptation on the feed liquor hole 11, clamping device 2 passes and gets into aseptic box 1 from grip orifice 12 in, but install pull on the aseptic box 1 lateral wall and put thing cabinet 8, aseptic box 1 and put thing cabinet 8 and be transparent glass and make, be convenient for observe and clean disinfection, the position that aseptic box 1 tank wall and put thing cabinet 8 and contact is provided with sealing strip 14; the liquid inlet hole 11 is connected with a water inlet end of the pipeline 3, an upper through groove 31 and a lower through groove 32 are arranged in the middle section of the pipeline 3, the upper through groove 31 and the lower through groove 32 are respectively arranged at the top and the bottom of the pipeline 3 and correspond to each other, a secondary pipeline 33 is arranged at the tail end of the pipeline 3, a recovery bottle 34 is arranged at a water outlet end of the pipeline 3, and the water outlet end of the pipeline 3 is connected with a bottle mouth of the recovery bottle 34 through a rubber hose.

The clamping device 2 comprises a supporting rod 21, a push rod 22, a clamping head 23, a filter screen 24 and sealing rubber 25, wherein the supporting rod 21 is arranged on two sides of a clamping opening 12 and connected with a pipeline 3, the supporting rod 21 is correspondingly arranged on two sides of an upper through groove 31 and a lower through groove 32, the push rod 22 is a rectangular sheet-shaped long rod, the clamping head 23 is arranged at the bottom of the push rod 22, the sealing rubber 25 is arranged on the clamping head 23, the clamping head 23 comprises two clamping pieces 231, a return spring 232 and a pull rope 233, the joint of the two clamping pieces 231 is provided with the return spring 232, the outer side of the clamping piece 231 is provided with the pull rope 233, the other end of the pull rope 233 is connected with the lower through groove 32, the filter screen 24 is arranged in the clamping head 23, the filter screen 24 is inserted into the pipeline 3 by pushing and pulling the push rod 22, so as to filter a water sample detected in the pipeline 3, after the filtering is finished, the push rod 22 is continuously pushed, the two clamping pieces 231 are outwards unfolded under the traction of the pull rope 233, the filter screen 24 falls into a culture dish, the distance from the clamping opening 12 to the lower through groove 32 is H + L.

The outside of aseptic box 1 is provided with vacuum pump 6, the gas extraction department of vacuum pump 6 is provided with the rubber hose, and the end of rubber hose passes aspirating hole 13 and links to each other with second grade pipeline 33.

In actual work, for the evaluation and control of the water quality sanitation quality, various possible pathogenic microorganisms in the water body cannot be detected one by one, generally one representative microorganism or one type of microorganism is selected as an indicator bacterium, and whether the water body is polluted by the microorganisms and whether the pathogenic microorganisms in the intestinal tract exist is known through the detection of the indicator bacterium.

The membrane filtration technique MF method is carried out by passing the water to be detected through a sterile membrane filter having a pore size small enough to eliminate bacteria (typically 0.45 μm). Usually, the trace bacteria are directly inaccurate in measurement by a counter, and a filter screen needs to be aseptically transferred to an absorption pad of a culture medium to enable the bacteria to be detected to develop on the surface of the filter screen, and then counting and checking are carried out. MF methods are fast and easy to perform, require little incubator space, and can handle very large amounts of water. As a preferred method of microbiological examination of water indicative of organisms.

The inner wall of the storage cabinet 8 is provided with a disinfection device 4, the disinfection device 4 is an ultraviolet lamp or a disinfection spray gun, a heating groove 5 is arranged in the storage cabinet 8, the heating groove 5 is arranged under the lower through groove 32, a heating resistance wire is annularly arranged on the inner side of the heating groove 5, the temperature of the heating resistance wire can be regulated, a culture dish is arranged in the heating groove 5, a culture medium absorption pad is arranged in the culture dish, a filter membrane is arranged on the culture medium absorption pad for cultivating escherichia coli or other indicator bacteria at constant temperature, an infusion device 7 is arranged in the storage cabinet 8, the infusion device 7 comprises an infusion hole 71, an infusion tube 72, an injector filter 73 and a support 74, the outer wall of the storage cabinet 8 is provided with the infusion hole 71 communicated with the outside, the inner side of the storage cabinet 8 is provided with the support 74, and the support 74 is connected with the infusion tube 72, the transfer line 72 is flexible plastics hard tube, the inlet of transfer line 72 links to each other with the liquid outlet of syringe filter 73, the unsettled top that sets up in the culture dish of liquid outlet of transfer line 72, the inlet of syringe filter 73 passes infusion hole 71 and sets up in the outside of putting thing cabinet 8, and after the syringe filled up the liquid culture medium that is fit for index fungus growth, the syringe needle inserted the inlet of syringe filter 73, injects the liquid culture medium after the degerming into the culture dish.

The liquid inlet hole 11, the clamping opening 12, the air suction hole 13 and the infusion hole 71 are respectively provided with a closed rubber ring, and the outer wall of the storage cabinet 8 is provided with a handle.

In the specific implementation, the sterilizing device 4 is firstly opened to sterilize the sterile box body 1, the clamping device 2 passes through the clamping opening 12 and the upper through groove 31, the lower end of the clamping device is aligned with the lower through groove 32, a drinking water sample to be detected is added from the liquid inlet hole 11, the rubber plug is covered, the vacuum pump 6 is started, the push rod 22 is pushed after the filtering membrane of the drinking water to be detected, the two clamping pieces 231 are unfolded outwards under the traction of the pull rope 233, the filter screen 24 falls into a culture dish connected downwards, filling the injector with liquid culture medium suitable for growth of indicator bacteria, inserting needle into liquid inlet of injector filter 73, injecting sterilized liquid culture medium into culture dish, setting temperature suitable for growth of Escherichia coli or other indicator bacteria, pulling open storage cabinet 8 after 24 hr, taking out culture medium, counting and detecting the bacteria (no aseptic operation is needed in this step), finishing the operation, and sterilizing the aseptic box 1 again.

The beneficial effects of the utility model reside in that, unify the step of need aseptic technique such as filtration, bacterial culture among the drinking water detection procedure and go on in the aseptic box, though absolute aseptic technique can not be accomplished, nevertheless greatly reduced the in-process because of the external miscellaneous fungus pollution problem that the manual operation is not standard or lack aseptic technique equipment and lead to, make follow-up count more accurate with the detection.

It is to be understood that the above-described embodiments of the present invention are merely examples provided for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes or variations led out by the technical scheme of the utility model are still in the protection scope of the utility model.

Claims

1. A drinking water detection device, its characterized in that: the sterilization box comprises an aseptic box body (1), a clamping device (2), a pipeline (3), a disinfection device (4), a vacuum pump (6) and a transfusion device (7), wherein the aseptic box body (1) is a transparent closed box body, the top of the aseptic box body (1) is provided with a liquid inlet hole (11), a clamping opening (12) and an air suction hole (13), the liquid inlet hole (11) is provided with a rubber plug matched with the liquid inlet hole, the liquid inlet hole (11) is connected with the water inlet end of the pipeline (3), the tail end of the pipeline (3) is provided with a secondary pipeline (33), and the water outlet end of the pipeline (3) is provided with a recovery bottle (34); the clamping device (2) passes through the clamping opening (12) and enters the sterile box body (1); a vacuum pump (6) is arranged outside the sterile box body (1), a rubber hose is arranged at an air exhaust port of the vacuum pump (6), and the tail end of the rubber hose penetrates through an air exhaust hole (13) and is connected with a secondary pipeline (33); the side wall of the sterile box body (1) is provided with a drawable storage cabinet (8), the storage cabinet (8) is internally provided with a transfusion device (7), and the inner wall of the storage cabinet (8) is provided with a disinfection device (4).

2. The drinking water detection device according to claim 1, wherein: the middle section of the pipeline (3) is provided with an upper through groove (31) and a lower through groove (32), the upper through groove (31) and the lower through groove (32) are respectively arranged at the top and the bottom of the pipeline (3) and correspond to each other, and the water outlet end of the pipeline (3) is connected with the bottle mouth of the recovery bottle (34) through a rubber hose.

3. The drinking water detection device according to claim 1, wherein: clamping device (2) are including vaulting pole (21), push rod (22), chuck (23), filter screen (24), sealing rubber (25), the both sides of centre gripping mouth (12) are provided with vaulting pole (21) and are connected with pipeline (3), push rod (22) are rectangle slice stock, the bottom of push rod (22) is provided with chuck (23), be provided with filter screen (24) in chuck (23), be provided with sealing rubber (25) on chuck (23).

4. The drinking water detection device according to claim 3, wherein the chuck (23) comprises two clamping pieces (231), a return spring (232) and a pull rope (233), the return spring (232) is arranged at the joint of the two clamping pieces (231), the pull rope (233) is arranged on the outer side of the clamping piece (231), the other end of the pull rope (233) is connected with the lower through groove (32), the distance from the clamping opening (12) to the lower through groove (32) is H, the filter screen (24) is a rectangular filter screen, the length is L, the length of the pull rope (233) is H + L, and the distance from the lower through groove (32) to the culture dish is greater than H + L.

5. The drinking water detection device according to claim 1, wherein: the disinfection device (4) is an ultraviolet lamp or a disinfection spray gun, a heating groove (5) is arranged in the storage cabinet (8), the heating groove (5) is arranged under the lower through groove (32), a heating resistance wire is annularly arranged on the inner side of the heating groove (5), the temperature of the heating resistance wire can be regulated, a culture dish is placed in the heating groove (5), and a culture medium absorption pad is arranged in the culture dish.

6. The drinking water detection device according to claim 1, wherein: infusion set (7) include infusion hole (71), transfer line (72), syringe filter (73), support (74), put the outer wall of thing cabinet (8) and offer infusion hole (71) with external intercommunication, the inboard of putting thing cabinet (8) is provided with support (74), support (74) are connected with transfer line (72), transfer line (72) are flexible plastics hard tube, the inlet of transfer line (72) links to each other with the liquid outlet of syringe filter (73), the unsettled top that sets up in the culture dish of liquid outlet of transfer line (72), the inlet of syringe filter (73) passes infusion hole (71) and sets up in the outside of putting thing cabinet (8).

7. The drinking water detection device according to claim 1, wherein: the sterile box body (1) and the storage cabinet (8) are both made of transparent glass.

8. The drinking water detection device according to claim 1, wherein: the liquid inlet hole (11), the clamping opening (12), the air suction hole (13) and the infusion hole (71) are respectively provided with a closed rubber ring, and a sealing strip (14) is arranged at the position where the box wall of the sterile box body (1) is contacted with the storage cabinet (8).

9. The drinking water detection device according to claim 1, wherein: the outer wall of the storage cabinet (8) is provided with a handle.