CN116967234B - Sample detection container cleaner - Google Patents
Sample detection container cleaner Download PDFInfo
- Publication number
- CN116967234B CN116967234B CN202311226680.4A CN202311226680A CN116967234B CN 116967234 B CN116967234 B CN 116967234B CN 202311226680 A CN202311226680 A CN 202311226680A CN 116967234 B CN116967234 B CN 116967234B
- Authority
- CN
- China
- Prior art keywords
- liquid
- bag body
- air
- pipe
- air bag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 116
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 12
- 210000003437 trachea Anatomy 0.000 claims 4
- 238000004140 cleaning Methods 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 238000009423 ventilation Methods 0.000 abstract 2
- 239000000463 material Substances 0.000 description 4
- 239000003814 drug Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to the field of vessel cleaning, in particular to a sample detection container cleaner, which comprises an air bag body; the liquid bag body is coated outside the air bag body, and a liquid layer is formed between the liquid bag body and the air bag body; the surface of the liquid bag body is provided with a plurality of liquid holes penetrating through the liquid layer; the valve component is used for guiding air to the inside of the air bag body and guiding liquid to the inside of the liquid bag body; the motor is used for driving the liquid bag body to rotate, the sealed air cavity and the liquid layer are formed by the liquid bag body and the air bag body which are sleeved, the device is inflated and filled in the container by ventilation in the air cavity and water ventilation in the liquid layer, the liquid bag body is driven to rotate, meanwhile, water is sprayed through the liquid hole, the inner wall of the detection container is rapidly and comprehensively cleaned, and the device can be suitable for cleaning containers with different sizes.
Description
Technical Field
The invention relates to the field of vessel cleaning, in particular to a cleaner for a sample detection container.
Background
The fields of food, medicine, chemical industry and the like widely relate to sample detection projects, and are used for accurately detecting food safety, medicine components and chemical material components, improving experiments and meeting production standards, wherein glass containers are generally adopted for sample detection, such as test tubes, beakers, measuring cylinders and other vessels, so that the containers are not influenced by detection when being repeatedly used, and the containers are required to be cleaned in time after the sample detection is completed each time;
the detection container is cleaned by water flushing, sample materials adhered to the inner wall of the container are not easy to be completely removed, and the inner wall of the container is cleaned by a brush and a cleaning tool in the prior art, so that the cleaning effect can be improved, but the container of different types cannot be cleaned rapidly without dead angles.
Disclosure of Invention
The invention aims to solve the following problems in the prior art: the detection container is cleaned by water flushing, sample materials adhered to the inner wall of the container are not easy to be completely removed, and the inner wall of the container is cleaned by a brush and a cleaning tool in the prior art, so that the cleaning effect can be improved, but the container of different types cannot be cleaned rapidly without dead angles.
In order to solve the problems existing in the prior art, the invention provides a cleaner for a sample detection container, which comprises an air bag body;
the liquid bag body is coated outside the air bag body, and a liquid layer is formed between the liquid bag body and the air bag body;
the surface of the liquid bag body is provided with a plurality of liquid holes penetrating through the liquid layer;
the valve component is used for guiding air to the inside of the air bag body and guiding liquid to the inside of the liquid bag body;
and the motor is used for driving the liquid bag body to rotate.
Preferably, the outer surface of the liquid bag body is uniformly provided with a plurality of rubber bulges, and the liquid holes penetrate through the rubber bulges one by one.
Preferably, the top of the air bag body is connected with a handle rod, a rod barrel is arranged in the air bag body, the top of the rod barrel is connected with the handle rod, the bottom of the rod barrel is connected with the bottom of the air bag body in a sealing mode, and an air flow passage penetrating through the air bag body is formed in the handle rod.
Preferably, the top of the liquid bag body is connected with a swivel, the swivel is rotatably arranged outside the handle, and a liquid flow passage penetrating through the liquid layer is formed inside the handle.
Preferably, the motor is arranged at the top of the handle rod, the motor is connected with the shaft rod, the shaft rod rotates to penetrate through the handle rod and the shaft rod barrel, the bottom fixing end piece of the shaft rod is fixed, and the bottom of the liquid sac body is connected with the end piece in a sealing mode.
Preferably, the valve assembly comprises an air pipe, the surface of the air pipe vertically penetrates through the through pipe, the middle part of the through pipe penetrates through the liquid pipe, the liquid pipe is parallel to the air pipe, a valve column is slidably arranged in the through pipe and is elastically connected with the through pipe through a spring, a valve hole is formed in the surface of the valve column, the valve column moves in the through pipe, the valve column is used for plugging the liquid pipe or the valve hole to the liquid pipe, a micro switch is arranged at the end part of the through pipe, the two ends of the air pipe are respectively connected with an air source and an air flow channel, and the two ends of the liquid pipe are respectively connected with the liquid source and the liquid flow channel.
Preferably, the end part of the air pipe is connected with a Y-pipe through a one-way valve, one branch end of the Y-pipe is connected with an air flow passage, and the other branch end of the Y-pipe is sealed through a sealing cover thread.
Compared with the related art, the sample detection container cleaner provided by the invention has the following beneficial effects:
according to the invention, the sealed air cavity and the liquid layer are formed by the sleeved liquid bag body and the air bag body, the air cavity is ventilated, and the liquid layer is ventilated with water, so that the device is inflated and filled in the container, the liquid bag body is driven to rotate, and meanwhile, water is sprayed through the liquid hole, so that the inner wall of the detection container is quickly and comprehensively cleaned, and the device can be suitable for cleaning containers with different sizes;
according to the invention, the valve assembly is used for supplying liquid and air into the liquid layer and the air bag body, and when the air bag body is filled in the container, the water supply to the liquid layer is automatically switched, so that the operation convenience is high.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic overall sectional view of the present invention;
FIG. 3 is a schematic view of the distribution structure of rubber bumps according to the present invention;
FIG. 4 is a schematic view of a valve assembly according to the present invention;
FIG. 5 is a schematic cross-sectional view of a valve assembly of the present invention.
Reference numerals in the drawings: 1. a liquid sac body; 11. a rubber protrusion; 12. a liquid hole; 2. an air bag body; 3. a liquid layer; 4. a valve assembly; 41. an air pipe; 42. a liquid pipe; 43. a through pipe; 44. a micro-switch; 45. a Y-pipe; 46. sealing cover; 47. a one-way valve; 48. a spool; 49. a valve hole; 5. a motor; 51. a shaft lever; 6. a handle; 61. a liquid flow channel; 62. an air flow passage; 63. a pole barrel; 7. a swivel; 71. and (5) end pieces.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
As shown in fig. 1 and 2, a cleaner for a sample detection container is provided, wherein an air bag body 2 and a liquid bag body 1 are sleeved inside and outside, the air bag body 2 and the liquid bag body 1 are made of elastic rubber materials, a circular handle rod 6 is connected with the top end of the air bag body 2 in a sealing manner, so that a closed space is formed inside the air bag body 2, a rod barrel 63 is arranged inside the air bag body 2, the top of the rod barrel 63 is fixedly connected with the handle rod 6, the bottom of the rod barrel 63 is connected with the bottom of the air bag body 2 in a sealing manner, and the air bag body 2 in an uninflated state is stretched into a long strip shape by the arrangement of the handle rod 6, so that equipment can be conveniently inserted into the detection container;
the rotating ring 7 is rotatably arranged outside the handle rod 6, the liquid bag body 1 is sleeved outside the air bag body 2, the top of the liquid bag body 1 is connected with the rotating ring 7 in a sealing way, a sealed liquid layer 3 is formed between the liquid bag body 1 and the air bag body 2, a plurality of liquid holes 12 are uniformly formed in the surface of the liquid bag body 1, and the liquid holes 12 penetrate through the liquid layer 3;
the handle rod 6 is internally provided with a liquid flow channel 61 and an air flow channel 62, the liquid flow channel 61 penetrates through the liquid layer 3, the air flow channel 62 penetrates through the air bag body 2, and the other ends of the liquid flow channel 61 and the air flow channel 62 are connected with an external air source and an external liquid source through the valve assembly 4;
the motor 5 is arranged at the top of the handle rod 6 and is encapsulated by adopting a shell, the shaft rod 51 rotates to penetrate through the handle rod 6 and the rod barrel 63, the top of the shaft rod 51 is fixedly connected with an output shaft of the motor 5, the bottom fixed end piece 71 of the shaft rod 51 is fixedly connected with the bottom of the liquid bag body 1;
when the detection container is cleaned, the liquid bag body 1 is inserted into the container through the handheld handle rod 6, gas is firstly guided into the air bag body 2 through the valve component 4 and flows through the air flow channel 62, the air bag body 2 expands, the liquid bag body 1 is synchronously spread until the outer surface of the liquid bag body 1 is filled into the container, air supply is stopped, then liquid is guided into the liquid layer 3 through the liquid flow channel 61 through the valve component 4, the liquid is sprayed into the container through the liquid hole 12, meanwhile, the motor 5 is started to drive the shaft rod 51 to rotate, the liquid bag body 1 is in a tight expansion state due to filling of the gas and the liquid, the shaft rod 51 can drive the liquid bag body 1 to rotate, and the inside of the container is wiped when water spraying is realized.
As shown in fig. 1 and 3, the outer surface of the liquid bag body 1 is uniformly provided with a plurality of rubber protrusions 11, the liquid holes 12 penetrate through the rubber protrusions 11 one by one, the friction factor of the outer surface of the liquid bag body 1 is higher due to the arrangement of the rubber protrusions 11, the strength of the inner wall of the wiping container is higher, in addition, the caliber of the liquid holes 12 is not easy to change due to the expansion of the liquid bag body 1 due to the arrangement of the rubber protrusions 11, water spraying is uniform, and the firmness of the liquid bag body 1 is higher.
As shown in fig. 4 and 5, the valve assembly 4 comprises an air pipe 41, the surface of the air pipe 41 vertically penetrates through a through pipe 43, the middle part of the through pipe 43 penetrates through a liquid pipe 42, the liquid pipe 42 is parallel to the air pipe 41, a valve column 48 is arranged in the through pipe 43 in a sliding manner, the valve column 48 is elastically connected with the through pipe 43 through a spring, a valve hole 49 is formed in the surface of the valve column 48, a micro switch 44 is arranged at the end part of the through pipe 43, two ends of the air pipe 41 are respectively connected with an air source and an air flow channel 62, and two ends of the liquid pipe 42 are respectively connected with a liquid source and a liquid flow channel 61; the end part of the air pipe 41 is connected with a Y-pipe 45 through a one-way valve 47, one branch end of the Y-pipe 45 is connected with an air flow passage 62, and the other branch end of the Y-pipe 45 is sealed by a sealing cover 46 in a threaded manner;
the valve column 48 under the normal state is kept at one end of the through pipe 43, which is close to the air pipe 41, under the action of elastic force, the valve hole 49 is staggered with the liquid pipe 42, the valve column 48 seals the liquid pipe 42, an external air source leads air into the air bag body 2 through the air pipe 41, when the air bag body 2 is inflated and filled in a container, the air pressure in the air bag body 2 is increased, the valve column 48 slides towards the other end of the through pipe 43 against the elastic force under the action of air pressure, the micro switch 44 is electrically connected with the air source, when the valve column 48 abuts against the micro switch 44, the air source is closed, the valve hole 49 is aligned with the liquid pipe 42 at the moment, and the liquid source leads cleaning liquid into the liquid layer 3 through the valve hole 49, so that water can be automatically switched after the air inflation is completed;
the one-way valve 47 is arranged to keep constant air pressure in the air bag body 2, and after cleaning, the rotary sealing cover 46 opens the branch end of the Y-pipe 45 for releasing the air in the air bag body 2, so that the device is contracted and taken out.
Claims (3)
1. A sample testing container cleaner, comprising:
an air bag body (2);
the liquid bag comprises a liquid bag body (1), wherein the liquid bag body (1) is coated outside the air bag body (2), and a liquid layer (3) is formed between the liquid bag body (1) and the air bag body (2);
a plurality of liquid holes (12) penetrating through the liquid layer (3) are formed in the surface of the liquid bag body (1);
the valve component (4), the valve component (4) is used for guiding air to the inside of the air bag body (2) and guiding liquid to the inside of the liquid bag body (1);
the motor (5), the motor (5) is used for driving the liquid bag body (1) to rotate;
a plurality of rubber bulges (11) are uniformly arranged on the outer surface of the liquid bag body (1), and the liquid holes (12) penetrate through the rubber bulges (11) one by one;
the top of the air bag body (2) is connected with a handle rod (6), a rod barrel (63) is arranged in the air bag body (2), the top of the rod barrel (63) is connected with the handle rod (6), the bottom of the rod barrel (63) is connected with the bottom of the air bag body (2) in a sealing manner, and an air flow passage (62) penetrating through the air bag body (2) is formed in the handle rod (6);
the top of the liquid bag body (1) is connected with a swivel (7), the swivel (7) is rotatably arranged outside the handle (6), and a liquid channel (61) penetrating through the liquid layer (3) is formed inside the handle (6);
valve subassembly (4) are including trachea (41), trachea (41) surface link up siphunculus (43) perpendicularly, siphunculus (43) middle part link up liquid pipe (42), liquid pipe (42) are on a parallel with trachea (41), the intraductal valve post (48) that is provided with of siphunculus (43), valve opening (49) are offered on valve post (48) surface through spring elastic connection siphunculus (43), valve post (48) are removed in siphunculus (43), make valve post (48) shutoff liquid pipe (42) or valve opening (49) counterpoint liquid pipe (42), the tip of siphunculus (43) sets up micro-gap switch (44), air supply, flow channel (62) are connected respectively to the both ends of trachea (41), liquid source, flow channel (61) are connected respectively at the both ends of liquid pipe (42).
2. The sample detection container cleaner according to claim 1, wherein the motor (5) is arranged at the top of the handle (6), the output shaft of the motor (5) is connected with the shaft lever (51), the shaft lever (51) rotates to penetrate through the handle (6) and the shaft barrel (63), the bottom fixed end piece (71) of the shaft lever (51), and the bottom of the liquid bag body (1) is connected with the end piece (71) in a sealing way.
3. The sample testing container cleaner according to claim 1, wherein the end of the air pipe (41) is connected with a Y-pipe (45) through a one-way valve (47), one branch end of the Y-pipe (45) is connected with an air flow passage (62), and the other branch end of the Y-pipe (45) is screw-sealed through a sealing cover (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311226680.4A CN116967234B (en) | 2023-09-22 | 2023-09-22 | Sample detection container cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311226680.4A CN116967234B (en) | 2023-09-22 | 2023-09-22 | Sample detection container cleaner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116967234A CN116967234A (en) | 2023-10-31 |
| CN116967234B true CN116967234B (en) | 2023-12-26 |
Family
ID=88478210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311226680.4A Active CN116967234B (en) | 2023-09-22 | 2023-09-22 | Sample detection container cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116967234B (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2832601A1 (en) * | 2001-11-23 | 2003-05-30 | Gerald Greffe | Foldable toothbrush comprises brushing head and handle hinged at geometric center, handle end having receptacle which in totally folded position entirely covers bristles |
| CN201416650Y (en) * | 2009-06-25 | 2010-03-03 | 刘工勤 | Fluid pipeline switch valve |
| CN103349422A (en) * | 2013-06-18 | 2013-10-16 | 陈仲礼 | Device for cleaning interior of ceramic |
| CN203538669U (en) * | 2013-10-31 | 2014-04-16 | 吴丽君 | Airbag type brush |
| CN203735682U (en) * | 2014-03-25 | 2014-07-30 | 张新锋 | Multifunctional chemical experiment bottle brush |
| CN104930222A (en) * | 2015-06-12 | 2015-09-23 | 张元晖 | Oil-gas linkage switching device and working mode thereof |
| CN204654142U (en) * | 2015-05-29 | 2015-09-23 | 辽宁石化职业技术学院 | A kind of Multifunctional hairbrush |
| CN205214572U (en) * | 2015-12-22 | 2016-05-11 | 雷可强 | Brush |
| CN106694492A (en) * | 2015-07-14 | 2017-05-24 | 天津工业大学 | Cleaning tool |
| CN109602152A (en) * | 2018-12-29 | 2019-04-12 | 漳州卫生职业学院 | Flask brush |
| CN110385320A (en) * | 2018-04-22 | 2019-10-29 | 张佳 | Empty bottle cleaner for inner wall |
| CN210280065U (en) * | 2019-07-04 | 2020-04-10 | 黑河学院 | Horn tube cleaning tool |
| CN211100310U (en) * | 2019-11-13 | 2020-07-28 | 宕昌县福江源药业科技有限责任公司 | Belt cleaning device is used in chinese angelica processing |
| CN211259701U (en) * | 2019-11-01 | 2020-08-14 | 牛绍祥 | Linkage shutdown control mechanism of pneumatic two-component pump |
| CN211380016U (en) * | 2019-11-21 | 2020-09-01 | 肤能生物科技(洛阳)有限公司 | Bottle brush for spherical flask |
| CN212733398U (en) * | 2020-07-13 | 2021-03-19 | 福建省新华都工程有限责任公司 | Clean maintenance device of emulsification loading truck medicine conveying pipe |
| CN217528566U (en) * | 2022-05-13 | 2022-10-04 | 江苏联环颐和堂中药有限公司 | Honey filling bottle cleaning brush |
-
2023
- 2023-09-22 CN CN202311226680.4A patent/CN116967234B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2832601A1 (en) * | 2001-11-23 | 2003-05-30 | Gerald Greffe | Foldable toothbrush comprises brushing head and handle hinged at geometric center, handle end having receptacle which in totally folded position entirely covers bristles |
| CN201416650Y (en) * | 2009-06-25 | 2010-03-03 | 刘工勤 | Fluid pipeline switch valve |
| CN103349422A (en) * | 2013-06-18 | 2013-10-16 | 陈仲礼 | Device for cleaning interior of ceramic |
| CN203538669U (en) * | 2013-10-31 | 2014-04-16 | 吴丽君 | Airbag type brush |
| CN203735682U (en) * | 2014-03-25 | 2014-07-30 | 张新锋 | Multifunctional chemical experiment bottle brush |
| CN204654142U (en) * | 2015-05-29 | 2015-09-23 | 辽宁石化职业技术学院 | A kind of Multifunctional hairbrush |
| CN104930222A (en) * | 2015-06-12 | 2015-09-23 | 张元晖 | Oil-gas linkage switching device and working mode thereof |
| CN106694492A (en) * | 2015-07-14 | 2017-05-24 | 天津工业大学 | Cleaning tool |
| CN205214572U (en) * | 2015-12-22 | 2016-05-11 | 雷可强 | Brush |
| CN110385320A (en) * | 2018-04-22 | 2019-10-29 | 张佳 | Empty bottle cleaner for inner wall |
| CN109602152A (en) * | 2018-12-29 | 2019-04-12 | 漳州卫生职业学院 | Flask brush |
| CN210280065U (en) * | 2019-07-04 | 2020-04-10 | 黑河学院 | Horn tube cleaning tool |
| CN211259701U (en) * | 2019-11-01 | 2020-08-14 | 牛绍祥 | Linkage shutdown control mechanism of pneumatic two-component pump |
| CN211100310U (en) * | 2019-11-13 | 2020-07-28 | 宕昌县福江源药业科技有限责任公司 | Belt cleaning device is used in chinese angelica processing |
| CN211380016U (en) * | 2019-11-21 | 2020-09-01 | 肤能生物科技(洛阳)有限公司 | Bottle brush for spherical flask |
| CN212733398U (en) * | 2020-07-13 | 2021-03-19 | 福建省新华都工程有限责任公司 | Clean maintenance device of emulsification loading truck medicine conveying pipe |
| CN217528566U (en) * | 2022-05-13 | 2022-10-04 | 江苏联环颐和堂中药有限公司 | Honey filling bottle cleaning brush |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116967234A (en) | 2023-10-31 |
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