CN108404791B - Stirring mechanism of chemical container - Google Patents
Stirring mechanism of chemical container Download PDFInfo
- Publication number
- CN108404791B CN108404791B CN201810307377.XA CN201810307377A CN108404791B CN 108404791 B CN108404791 B CN 108404791B CN 201810307377 A CN201810307377 A CN 201810307377A CN 108404791 B CN108404791 B CN 108404791B
- Authority
- CN
- China
- Prior art keywords
- chemical container
- metal
- magnetic
- mounting plate
- stirring
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/45—Magnetic mixers; Mixers with magnetically driven stirrers
- B01F33/452—Magnetic mixers; Mixers with magnetically driven stirrers using independent floating stirring elements
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
Abstract
The invention relates to a stirring mechanism of a chemical container. Chemical container rabbling mechanism includes supporting component, chemical container subassembly and stirring subassembly, the supporting component includes the support, the chemical container subassembly includes chemical container and seals the cover, the chemical container is held reagent and is set up with fixing on the support, seal the cover fixed seal in the opening part of chemical container, the stirring subassembly includes rotary driving piece and mounting bracket, rotary driving piece install in on the support and with chemical container separates the setting each other, the mounting bracket install in rotary driving piece is last, install two magnetic stripe on the mounting bracket, the magnetic pole of two magnetic stripe is different sets up just two magnetic stripe set up respectively in chemical container's relative both sides, chemical container is held in a plurality of magnetic conduction granules or non-magnetic conduction metal particle. The chemical container stirring mechanism is safer to use.
Description
Technical Field
The invention relates to a stirring mechanism of a chemical container.
Background
In chemical experiments, chemical containers are often used, for example, for chemical experiments. However, in some chemical experiments, the reagents in the chemical container need to be stirred to accelerate. If the stirring mechanism is used to stir the reagent in the chemical container, the chemical container is easily damaged, and even the chemical container is easily broken. In addition, the stirring mechanism needs to be inserted into the opening of the chemical container during the stirring process, and if the reagent explodes suddenly, the reagent is easily ejected from the opening, and the user is easily injured.
Disclosure of Invention
In view of the above, there is a need for a chemical container stirring mechanism that is safer to use.
The utility model provides a chemical container rabbling mechanism, includes supporting component, chemical container subassembly and stirring subassembly, the supporting component includes the support, the chemical container subassembly includes chemical container and closed cover, the chemical container is held reagent and is set up fixedly in on the support, closed cover fixed closure in the opening part of chemical container, the stirring subassembly includes rotary driving piece and mounting bracket, rotary driving piece install in on the support and with chemical container separates the setting each other, the mounting bracket install in rotary driving piece is last, install two magnetic strips on the mounting bracket, the magnetic pole of two magnetic strips is different sets up just two magnetic strips set up respectively in chemical container's relative both sides, chemical container is held in a plurality of magnetic conduction granules or non-magnetic conduction metal particle.
In one embodiment, the supporting assembly further includes a first mounting plate and a second mounting plate, the first mounting plate and the second mounting plate are arranged on the support at intervals, the chemical container is fixedly clamped on the second mounting plate, the rotary driving member is a rotary cylinder and is arranged on the first mounting plate, a plurality of steel particles are accommodated in the chemical container, a fixing hole is formed in the second mounting plate, the chemical container is arranged in the fixing hole in a penetrating manner, and the top of the chemical container is fixed in the fixing hole.
In one embodiment, the chemical container extends in a direction perpendicular to a longitudinal direction of the first mounting plate.
In one embodiment, the two magnetic strips are a first magnetic strip and a second magnetic strip, respectively, and the tops of the first magnetic strip and the second magnetic strip are located at the middle position of the chemical container.
In one embodiment, the mounting bracket is a U-shaped bracket, two fixing sleeve grooves are formed in the U-shaped bracket, and the two magnetic strips are respectively installed in the two fixing sleeve grooves.
In one embodiment, the side wall of the fixing sleeve groove is provided with a hollowed-out slot, and the two hollowed-out slots are arranged oppositely.
In one embodiment, the U-shaped bracket includes an installation portion and two branches protruding from opposite ends of the installation portion, the installation portion is installed on the output shaft of the rotary cylinder, and the two fixing sleeve grooves are respectively opened in the two branches.
In one embodiment, the two hollowed-out slots penetrate through the side wall of the branch rod, and the width of each hollowed-out slot is smaller than that of the fixing sleeve groove.
In one embodiment, the width of the hollow slot is 0.1-0.3 times of the width of the fixing sleeve groove, and the hollow slot is communicated with the fixing sleeve groove.
When the chemical container stirring mechanism is used, a reagent is dripped into the chemical container, the sealing sleeve seals the chemical container, then the rotary driving piece is utilized to drive the two magnetic strips to rotate in a reciprocating manner, the two magnetic strips can enable magnetic conduction particles or non-magnetic conduction metal particles in the chemical container to move in a reciprocating manner, so that the reagent in the chemical container is stirred and mixed, the mixing effect is improved, in addition, the chemical container cannot be damaged due to the small volume of the steel particles, in addition, the reagent liquid in the chemical container is not easy to spray out due to the sealing sleeve sealing the chemical container, even if the reagent liquid is sprayed out, people are not easy to be injured, therefore, a user does not aim at the chemical container to hold the stirring mechanism by hands, and further, the safety performance of the chemical container stirring mechanism is improved.
Drawings
Fig. 1 is a schematic perspective view of a chemical container stirring mechanism according to an embodiment.
Fig. 2 is a schematic perspective view of a stirring assembly according to an embodiment.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
For example, a chemical container stirring mechanism comprises a supporting component, a chemical container component and a stirring component, the supporting component comprises a bracket, the chemical container component comprises a chemical container and a sealing sleeve, the chemical container contains a reaction reagent and is fixedly arranged on the bracket, the sealing sleeve is fixedly sealed at the opening of the chemical container, the stirring component comprises a rotary driving piece and a mounting rack, the rotary driving piece is arranged on the bracket and is arranged at intervals with the chemical container, the mounting bracket is arranged on the rotary driving piece, install two magnetism strips on the mounting bracket, the magnetic pole of two magnetism strips sets up just two magnetism strips set up respectively in chemical container's relative both sides, chemical container is held a plurality of magnetic conduction granules or non-magnetic metal particle. For example, two or more magnetic strips may be mounted on the mounting bracket to form two or more magnetic pole pairs.
The invention relates to a stirring mechanism of a chemical container. For example, the chemical container stirring mechanism comprises a support assembly, a chemical container assembly and a stirring assembly, wherein the support assembly comprises a bracket, a first mounting plate and a second mounting plate, and the first mounting plate and the second mounting plate are arranged on the bracket at intervals. For example, the chemical container assembly includes a chemical container and a sealing sleeve, the chemical container contains a reaction reagent and is fixedly clamped on the second mounting plate, the sealing sleeve is fixedly sealed at an opening of the chemical container, and the stirring assembly includes a rotary cylinder, a mounting frame and a plurality of steel particles. For example, the revolving cylinder is installed on the first installation plate, the installation frame is installed on the revolving cylinder, two magnetic strips are arranged on the installation frame in a protruding mode, magnetic poles of the two magnetic strips are arranged in a different mode, and the two magnetic strips are arranged on two opposite sides of the chemical container respectively. For example, the plurality of steel particles are housed within the chemical container. For example, in order to protect the steel particles from the agent, the surface of the steel particles is provided with a thin layer of ceramic. Namely, the magnetic conductive particles or the non-magnetic conductive metal particles are steel particles.
Referring to fig. 1, a chemical container stirring mechanism 100 includes a supporting component 10, a chemical container component 20 and a stirring component 30, where the supporting component includes a support 11, a first mounting plate 12 and a second mounting plate 13, the first mounting plate and the second mounting plate are disposed on the support at intervals, the chemical container component includes a chemical container 21 and a sealing sleeve 23, a reaction reagent is contained in the chemical container and is fixedly clamped on the second mounting plate, the sealing sleeve is fixedly sealed at an opening of the chemical container, the stirring component includes a rotary cylinder 31, a mounting frame 32 and a plurality of steel particles, the rotary cylinder is mounted on the first mounting plate, the mounting frame is mounted on the rotary cylinder, two magnetic strips 33 are convexly disposed on the mounting frame, magnetic poles of the two magnetic strips are disposed differently, and the two magnetic strips are disposed on opposite sides of the chemical container respectively, the plurality of steel particles are housed within the chemical container. For example, the chemical container is a test tube or a flask.
For example, when the chemical container stirring mechanism is used, a reagent is dripped into the chemical container, the sealing sleeve seals the chemical container, the rotary cylinder drives the two magnetic strips to rotate in a reciprocating manner, the two magnetic strips can enable magnetic particles, such as steel particles, in the chemical container to move in a reciprocating manner, so that the reagent in the chemical container is stirred and mixed, the mixing effect is improved, the chemical container cannot be damaged due to the small volume of the steel particles, the chemical container is not easily sprayed due to the sealing sleeve sealing the chemical container, and even if the reagent is sprayed, a person is not easily injured, so that a user does not aim at the mouth of the chemical container to hold the stirring mechanism by hand, and the safety performance of the chemical container stirring mechanism is improved.
For example, in order to facilitate installation of the first magnetic strip and the second magnetic strip, a fixing hole 131 is formed in the second mounting plate, the chemical container is inserted into the fixing hole, and the top of the chemical container is fixed in the fixing hole. The extending direction of the chemical container is perpendicular to the length direction of the first mounting plate. The two magnetic strips are respectively a first magnetic strip and a second magnetic strip, and the tops of the first magnetic strip and the second magnetic strip are positioned at the middle position of the chemical container. The mounting bracket is a U-shaped support, two fixing sleeve grooves 323 are formed in the U-shaped support, and the two magnetic strips are respectively arranged in the two fixing sleeve grooves. The side wall of the fixing sleeve groove is provided with a hollowed-out slot 324, and the two hollowed-out slots are oppositely arranged. Because two fixed sleeve grooves are formed in the mounting frame, the first magnetic strip and the second magnetic strip can be respectively installed in the two fixed sleeve grooves, and the first magnetic strip and the second magnetic strip are convenient to install. In addition, because the side wall of the fixed sleeve groove is provided with the hollowed-out slot, when the first magnetic strip and the second magnetic strip are required to be unloaded, the first magnetic strip and the second magnetic strip can be unloaded by stretching fingers into the hollowed-out slot and stirring the first magnetic strip and the second magnetic strip, so that the two magnetic strips are convenient to disassemble and assemble.
For example, in order to facilitate opening the fixing sleeve grooves, the U-shaped bracket includes a mounting portion 321 and two branch bars 322 protruding from two opposite ends of the mounting portion, the mounting portion is mounted on the output shaft of the rotary cylinder, and the two fixing sleeve grooves are respectively opened in the two branch bars. The two hollowed-out slots penetrate through the side walls of the branch bars, and the width of each hollowed-out slot is smaller than that of the corresponding fixing sleeve groove. The width of the hollow slot is 0.1-0.3 times of the width of the fixed sleeve groove, and the hollow slot is communicated with the fixed sleeve groove. Because the two branch rods are arranged on the U-shaped support, the branch rods can be provided with the fixed sleeve grooves, so that the fixed sleeve grooves are convenient to arrange.
For example, the number of the U-shaped brackets may be multiple, the multiple U-shaped brackets are arranged to intersect with each other, each U-shaped bracket is provided with one of the first magnetic strips and one of the second magnetic strips, and the multiple first magnetic strips and the multiple second magnetic strips are paired with each other to form multiple magnetic pole pairs.
It is particularly important to refer to fig. 2, for example, in an embodiment, in order to facilitate the stirring, a rotating assembly 50 is convexly disposed on the enclosure, the rotating assembly includes a rotating shaft 51, two bearings 52 and a metal stirring cylinder 53, one end of the rotating shaft is fixed on the enclosure, the metal stirring cylinder is rotatably mounted on the other end of the rotating shaft through the two bearings, the metal stirring cylinder includes two rotating rings 531 and a plurality of metal rods 533, the two rotating rings are disposed at intervals, each rotating ring is mounted on the rotating shaft through a corresponding bearing, the plurality of metal rods surround the periphery of the rotating rings, the end of each metal rod is connected to one of the rotating rings, the middle of each metal rod is fixed on the other rotating ring, the ends of the plurality of metal rods far from the enclosure jointly surround to form a stirring space 535, the opening of stirring space is towards the bottom of chemical container, the rubber buffer layer is established to the cover on the metal rod, a plurality of rhombus mesh have been seted up on the rubber buffer layer. When the stirring device is used for stirring, the first magnetic strips and the second magnetic strips rotate, a first magnetic field is formed between the first magnetic strips and the second magnetic strips, induced currents are generated on the metal rods due to cutting of magnetic induction lines, a second magnetic field is generated by the induced currents, and the second magnetic field and the first magnetic field interact with each other to drive the metal stirring cylinder to rotate, so that reagents in the chemical container are further stirred, and the stirring efficiency is improved.
In addition, in order to improve the stirring efficiency, a plurality of impellers are rotatably arranged on the metal bar, and each impeller comprises a shaft rod and a rotating ring arranged on the shaft rod. The rotating ring is provided with a plurality of fan blades in a protruding mode, the shaft rod is fixed on the metal rod, the rotating ring is rotatably arranged at the top of the shaft rod, and the fan blades are installed on the periphery of the rotating ring. During the rotation of the metal stirring cylinder, the rotating ring can generate self-adaptive rotation under the influence of liquid flow, so that the stirring efficiency is further improved, for example, the impellers are all ceramic impellers and are not easily corroded by chemical substances. For example, when there is some suspended matters, in order to isolate the suspended matters, a filter screen cylinder 55 is arranged in the metal mixing cylinder, the filter screen cylinder comprises a circular bottom plate and an annular side plate, the periphery of the circular bottom plate is connected to one rotating ring far away from the closed sleeve, the annular side plate is vertically and convexly arranged on the periphery of the circular bottom plate, the annular side plate comprises a metal wire mesh layer and a rubber layer which are mutually overlapped, the metal wire mesh layer is arranged on the inner side, the rubber layer is arranged on the outer side, a plurality of rhombic grids are arranged on the filter screen cylinder, and the rhombic grids penetrate through the metal wire mesh layer and the rubber layer. Through the arrangement of the filter screen cylinder, suspended matters with larger particles can be collected in the filter screen cylinder.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (1)
1. A stirring mechanism of a chemical container is characterized by comprising a supporting component, a chemical container component and a stirring component, the supporting component comprises a bracket, the chemical container component comprises a chemical container and a sealing sleeve, the chemical container contains a reaction reagent and is fixedly arranged on the bracket, the sealing sleeve is fixedly sealed at the opening of the chemical container, the stirring component comprises a rotary driving piece and a mounting rack, the rotary driving piece is arranged on the bracket and is arranged at intervals with the chemical container, the mounting bracket is arranged on the rotary driving piece, the mounting rack is provided with two magnetic strips, the magnetic poles of the two magnetic strips are arranged in a different mode, the two magnetic strips are arranged on two opposite sides of the chemical container respectively, and a plurality of magnetic conduction particles or non-magnetic conduction metal particles are contained in the chemical container;
the supporting component further comprises a first mounting plate and a second mounting plate, the first mounting plate and the second mounting plate are arranged on the support at intervals, the chemical container is fixedly clamped on the second mounting plate, the rotary driving part is a rotary cylinder and is arranged on the first mounting plate, a plurality of steel particles are accommodated in the chemical container, a fixing hole is formed in the second mounting plate, the chemical container is arranged in the fixing hole in a penetrating manner, the top of the chemical container is fixed in the fixing hole, the extending direction of the chemical container is perpendicular to the length direction of the first mounting plate, the two magnetic strips are respectively a first magnetic strip and a second magnetic strip, the tops of the first magnetic strip and the second magnetic strip are located at the middle position of the chemical container, the mounting frame is a U-shaped support, and the U-shaped support is provided with two fixing sleeve grooves, the two magnetic strips are respectively arranged in the two fixed sleeve grooves, hollow slots are formed in the side walls of the fixed sleeve grooves and are oppositely arranged, the U-shaped support comprises an installation part and branch rods convexly arranged at the two opposite ends of the installation part, the installation part is installed on an output shaft of the rotary air cylinder, the two fixed sleeve grooves are respectively arranged in the two branch rods, the two hollow slots penetrate through the side walls of the branch rods, the width of each hollow slot is smaller than that of each fixed sleeve groove, the width of each hollow slot is 0.1-0.3 times that of each fixed sleeve groove, and the hollow slots are communicated with the fixed sleeve grooves;
the sealing sleeve is convexly provided with a rotating assembly, the rotating assembly comprises a rotating shaft, two bearings and a metal mixing drum, one end of the rotating shaft is fixed on the sealing sleeve, the metal mixing drum is rotatably arranged at the other end of the rotating shaft through the two bearings, the metal mixing drum comprises two rotating rings and a plurality of metal rods, the two rotating rings are arranged at intervals, each rotating ring is arranged on the rotating shaft through a corresponding bearing, the plurality of metal rods surround the periphery of the rotating rings, the end part of each metal rod is connected in one rotating ring, the middle part of each metal rod is fixed on the other rotating ring, one end of each metal rod, far away from the sealing sleeve, jointly surrounds to form a mixing space, the opening of the mixing space faces the bottom of the chemical container, and a rubber buffer layer is sleeved on each metal rod, the rubber buffer layer is provided with a plurality of rhombic meshes, the metal rod is rotatably provided with a plurality of impellers, the impellers comprise an axle rod and a rotating ring arranged on the axle rod, the rotating ring is convexly provided with a plurality of fan blades, the axle rod is fixed on the metal rod, the rotating ring is rotatably arranged at the top of the axle rod, the fan blades are arranged on the periphery of the rotating ring, the impellers are all ceramic impellers, a filter screen cylinder is arranged in the metal stirring cylinder, the filter screen cylinder comprises a circular bottom plate and an annular side plate, the periphery of the circular bottom plate is connected to one rotating ring far away from the closed sleeve, the annular side plate is vertically and convexly arranged on the periphery of the circular bottom plate, the annular side plate comprises a metal wire mesh layer and a rubber layer which are mutually laminated, the metal wire mesh layer is arranged on the inner side, and the rubber layer is arranged on the outer side, the filter screen cylinder is provided with a plurality of rhombic grids which penetrate through the metal wire mesh layer and the rubber layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810307377.XA CN108404791B (en) | 2018-04-08 | 2018-04-08 | Stirring mechanism of chemical container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810307377.XA CN108404791B (en) | 2018-04-08 | 2018-04-08 | Stirring mechanism of chemical container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108404791A CN108404791A (en) | 2018-08-17 |
| CN108404791B true CN108404791B (en) | 2020-07-17 |
Family
ID=63134699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810307377.XA Expired - Fee Related CN108404791B (en) | 2018-04-08 | 2018-04-08 | Stirring mechanism of chemical container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108404791B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1878607A (en) * | 2004-03-01 | 2006-12-13 | 诺瓦塞普蒂克公司 | Processing unit |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09201524A (en) * | 1996-01-26 | 1997-08-05 | Mitsubishi Heavy Ind Ltd | Ash mixing tank |
| US20040165477A1 (en) * | 2003-02-18 | 2004-08-26 | Argonaut Technologies, Inc. | Radial continuous coupled magnetic mixing device |
| CN201249110Y (en) * | 2008-08-22 | 2009-06-03 | 杭州博日科技有限公司 | Magnetic stirring device based on nanometer magnetic beads |
| ITVI20120188A1 (en) * | 2012-07-30 | 2014-01-31 | Dws Srl | PACKAGING OF STEREOLITHOGRAPHIC RESIN AND MIXING METHOD OF A STEREOLITOGRAPHIC RESIN CONTAINED IN THIS PACKAGE |
| US10139317B2 (en) * | 2015-10-30 | 2018-11-27 | South Dakota Board Of Regents | Methods and apparatuses for trace and ultratrace analysis |
| CN106693818B (en) * | 2017-01-20 | 2019-09-24 | 广东顺德工业设计研究院(广东顺德创新设计研究院) | Mixed stirring device and method for test tube solution |
-
2018
- 2018-04-08 CN CN201810307377.XA patent/CN108404791B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1878607A (en) * | 2004-03-01 | 2006-12-13 | 诺瓦塞普蒂克公司 | Processing unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108404791A (en) | 2018-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108291728B (en) | Air purifier | |
| US20190264165A1 (en) | Mixing and filtering system | |
| CN1919431A (en) | Agitating or dispersing apparatus | |
| CA2535756A1 (en) | Processing unit | |
| CN108404791B (en) | Stirring mechanism of chemical container | |
| US20080017040A1 (en) | Air sampling apparatus and method | |
| CN106040055A (en) | Fluid impeller for bioprocessing | |
| RU2016104108A (en) | RETURN-SURFACE MIXER OF A FLUID | |
| CN105040348A (en) | Washing machine | |
| CN210021936U (en) | Spices is mixed and is used stirring condiment convenient to household utensils are rocked | |
| CN208356635U (en) | Blender | |
| CN207862326U (en) | A kind of Portable field biological cell purifying plant | |
| CN109718609B (en) | Multifunctional air purification device and method | |
| JP2018001113A (en) | Rotor separation type agitator | |
| CN210665498U (en) | Laser spectrum gas scanning detection device | |
| CN107156082A (en) | When segmentation red weevil trap | |
| CN214182855U (en) | Multi-point magnetic stirrer with adjustable temperature | |
| CN213254529U (en) | Constant temperature water bath cabinet | |
| JP6189114B2 (en) | Powder processing equipment | |
| CN210427149U (en) | Low-flow air sampling device | |
| CN208688155U (en) | A kind of quantity-adjustable formula soil Quick drying box | |
| CN208709632U (en) | Silence cover and cooking machine | |
| CN204275894U (en) | Deironing mixer | |
| CN214876936U (en) | Closed steel drum | |
| CN211148356U (en) | Circulating pump shaft for particle size analyzer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 Termination date: 20210408 |