CN211436038U - Tetrafluoro magnetic stirrer - Google Patents
Tetrafluoro magnetic stirrer Download PDFInfo
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- CN211436038U CN211436038U CN201922258025.2U CN201922258025U CN211436038U CN 211436038 U CN211436038 U CN 211436038U CN 201922258025 U CN201922258025 U CN 201922258025U CN 211436038 U CN211436038 U CN 211436038U
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Abstract
The utility model discloses a tetrafluoro magnetic stirrer, which comprises a driving device, a speed reducer and an inner driving shaft, wherein a frame, a main magnetic shaft head and an auxiliary magnetic shaft head are sequentially sleeved outside the inner driving shaft from bottom to top; the main magnetic shaft head and the auxiliary magnetic shaft head are of an integrally formed structure and are made of PTFE (polytetrafluoroethylene); the main magnetic shaft head comprises a main shell, a main blade, an external driving magnetic cylinder and an internal driving magnetic cylinder, wherein the internal driving magnetic cylinder and the external driving magnetic cylinder are both provided with magnetic blocks; the auxiliary magnetic shaft head comprises an auxiliary shell, a ceramic inner shaft sleeve and a ceramic outer shaft sleeve, wherein the ceramic inner shaft sleeve and the ceramic outer shaft sleeve are arranged inside the auxiliary shell, the ceramic outer shaft sleeve is fixed on the outer side of the inner driving shaft, and the ceramic inner shaft sleeve is fixed on the inner side of the inner driving shaft. The utility model adopts the above structure tetrafluoro magnetic stirrers sets up the magnetic force head into the integrated into one piece structure, and adopts the PTFE material, need not to seal, and corrosion resistance is strong, has avoided the liquid medicine seepage simultaneously, can use in the stirring of corrosion-resistant liquid medicine, has increased magnetic stirrers's life.
Description
Technical Field
The utility model belongs to the technical field of magnetic stirrers technique and specifically relates to a tetrafluoro magnetic stirrers is related to.
Background
In the biomedical field, a magnetic stirrer, which is a mixing device for stirring a liquid by a rapidly rotating stirrer, is frequently used. And the main magnetic stirring system in the existing market is mostly bottom magnetic stirring, and the structure is including stirring head, stirring support and agitator motor bar magnet, and it makes magnetic head and bar magnet rotate jointly through the magnetic force effect between bar magnet and stirring head, reaches the effect of stirring, and specific using-way is: firstly, a stirrer is put into liquid to be stirred, then the liquid is put on a magnetic tray of a magnetic stirrer, and then the magnetic stirrer is opened, so that the stirrer can be seen to rotate and stir in the liquid under the action of the magnetic stirrer; the structure has the advantages that the stator is fixed outside, the rotor is arranged inside, the rotor is connected with the rotating shaft through the coupler, and the mechanical seal is arranged between the rotating shaft and the container. In addition, the existing magnetic stirring is made of stainless steel, so that the magnetic stirrer is easily corroded when used in corrosive liquid medicine, the liquid medicine is leaked, and the service life of the magnetic stirrer is shortened. In view of the above, it is desirable to design a tetrafluoro magnetic stirrer.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tetrafluoro magnetic stirrers sets up the magnetic force head into the integrated into one piece structure, and adopts the PTFE material, need not to seal, and corrosion resistance is strong, has avoided the liquid medicine seepage simultaneously, can use in the stirring of corrosion-resistant liquid medicine, has increased magnetic stirrers's life.
In order to achieve the purpose, the utility model provides a tetrafluoro magnetic stirrer, which comprises a driving device, a speed reducer connected with the driving device and an inner driving shaft connected with the speed reducer, wherein a frame, a main magnetic shaft head and an auxiliary magnetic shaft head are sequentially sleeved outside the inner driving shaft from bottom to top;
the main magnetic shaft head and the auxiliary magnetic shaft head are of an integrally formed structure and are made of PTFE (polytetrafluoroethylene); the main magnetic shaft head comprises a main shell, a main blade arranged on the outer wall of the main shell, an external driving magnetic cylinder arranged on the inner wall of the main shell and an internal driving magnetic cylinder arranged on the inner wall of the internal driving shaft, wherein magnetic blocks are arranged on the internal driving magnetic cylinder and the external driving magnetic cylinder;
the auxiliary magnetic shaft head comprises an auxiliary shell, a ceramic inner shaft sleeve and a ceramic outer shaft sleeve, wherein the ceramic inner shaft sleeve and the ceramic outer shaft sleeve are arranged in the auxiliary shell, the ceramic outer shaft sleeve is fixed on the outer side of the inner driving shaft, the ceramic inner shaft sleeve is fixed on the inner side of the inner driving shaft, and auxiliary blades are arranged on the auxiliary shell.
Preferably, the inner driving magnetic cylinder is connected with the inner driving shaft through an inner driving magnetic cylinder fixing sleeve, and an inner driving centering bearing is arranged at the joint of the bottom end of the inner driving magnetic cylinder, the rack and the inner driving shaft.
Preferably, the external drive cylinder is connected with the internal drive shaft and the main housing through an external drive cylinder fixing sleeve.
Preferably, the main shell is in threaded connection with the auxiliary shell, and a shaft sleeve pressing nut is arranged at the top end of the auxiliary shell.
Preferably, the number of the main blades and the number of the auxiliary blades are four, and the main blades and the auxiliary blades are arranged in a crossed and equidistant mode.
Preferably, the auxiliary shell comprises a cylindrical supporting seat and a cylindrical fixing seat fixed on the cylindrical supporting seat, the diameter of the cylindrical fixing seat is smaller than that of the cylindrical supporting seat, and a plurality of self-cleaning holes are formed in the cylindrical supporting seat.
Preferably, the diameter of the bottom of the inner drive shaft is smaller than the diameter of the middle of the inner drive shaft, the diameter of the middle of the inner drive shaft is larger than the diameter of the top of the inner drive shaft, and the diameter of the top of the inner drive shaft is smaller than the diameter of the bottom of the inner drive shaft.
Preferably, eight sets of magnetic blocks are arranged, and the magnetic blocks on the inner driving magnetic cylinder correspond to the magnetic blocks on the outer driving magnetic cylinder.
Preferably, the driving device is a motor, and a motor shaft of the motor is perpendicular to the inner driving shaft. Therefore, the utility model adopts the above structure tetrafluoro magnetic stirrers sets up the magnetic force head into the integrated into one piece structure, and adopts the PTFE material, need not to seal, and corrosion resistance is strong, has avoided the liquid medicine seepage simultaneously, can use in the stirring of corrosion-resistant liquid medicine, has increased magnetic stirrers's life.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a tetrafluoro magnetic stirrer according to the present invention;
fig. 2 is a cross-sectional view of an embodiment of a tetrafluoro magnetic stirrer according to the present invention.
Detailed Description
Examples
Fig. 1 is a schematic structural diagram of an embodiment of a tetrafluoro magnetic stirrer of the present invention, fig. 2 is a cross-sectional view of an embodiment of the tetrafluoro magnetic stirrer of the present invention, as shown in the drawings, the present invention provides a tetrafluoro magnetic stirrer, which comprises a driving device 1, a speed reducer 2 connected with the driving device 1, and an inner driving shaft 3 connected with the speed reducer 2, wherein a frame 4, a main magnetic shaft head 5 and an auxiliary magnetic shaft head 6 are sequentially sleeved outside the inner driving shaft 3 from bottom to top, the auxiliary magnetic shaft head 6 is connected with the main magnetic shaft head 5, the main magnetic shaft head 5 is connected with the frame 4, and the frame 4 is fixed on a shell of the speed reducer 2; main magnetic force spindle nose 5 and vice magnetic force spindle nose 6 are integrated into one piece structure, and the material is PTFE, can be used in the stirring of corrosivity liquid medicine, can not corroded by the liquid medicine, and two other magnetic force heads are integrated into one piece, can prevent the liquid medicine seepage.
The main magnetic shaft head 5 comprises a main shell 51, a main blade 52 arranged on the outer wall of the main shell 51, an external driving magnetic cylinder 53 arranged on the inner wall of the main shell 51 and an internal driving magnetic cylinder 54 arranged on the inner wall of the internal driving shaft 3, wherein magnetic blocks 55 are arranged on the internal driving magnetic cylinder 54 and the external driving magnetic cylinder 53; the inner driving magnetic cylinder 54 is connected with the inner driving shaft 3 through an inner driving magnetic cylinder fixing sleeve 56, an inner driving centering bearing 7 is arranged at the joint of the bottom end of the inner driving magnetic cylinder 54 with the frame 4 and the inner driving shaft 3, and the outer driving magnetic cylinder 53 is connected with the inner driving shaft 3 and the main shell 51 through an outer driving magnetic cylinder fixing sleeve 57. The auxiliary magnetic shaft head 6 comprises an auxiliary shell 61, a ceramic inner shaft sleeve 62 and a ceramic outer shaft sleeve 63 which are arranged inside the auxiliary shell 61, wherein the ceramic outer shaft sleeve 63 is fixed on the outer side of the inner driving shaft 3, the ceramic inner shaft sleeve 62 is fixed on the inner side of the inner driving shaft 3, and auxiliary blades 64 are arranged on the auxiliary shell 61. When the stirring device is used, the motor is started, the motor shaft on the speed reducer drives the inner driving shaft to rotate, the inner driving shaft can drive the inner driving magnetic cylinder to rotate, the inner driving magnetic cylinder drives the outer driving magnetic cylinder to rotate together, and the outer driving magnetic cylinder drives the auxiliary shell and the auxiliary blades to rotate, so that the main blades and the auxiliary blades can be driven to rotate, and the stirring purpose is achieved.
The main shell 51 is in threaded connection with the sub-shell 61, and the top end of the sub-shell 61 is provided with a shaft sleeve pressing nut 8. The number of the main blades 52 and the number of the auxiliary blades 64 are four, the main blades 52 and the auxiliary blades 64 are arranged in a crossed and equidistant mode, stirring is uniform, and stirring efficiency is improved.
The auxiliary shell 61 is composed of a cylindrical supporting seat 610 and a cylindrical fixing seat 611 fixed on the cylindrical supporting seat 610, the diameter of the cylindrical fixing seat 611 is smaller than that of the cylindrical supporting seat 610, and a plurality of self-cleaning holes 612 are arranged on the cylindrical supporting seat 610, so that the stirrer can be automatically cleaned, and the service life of the stirrer is prolonged.
The diameter of the bottom of the inner drive shaft 3 is smaller than the diameter of the middle of the inner drive shaft 3, the diameter of the middle of the inner drive shaft 3 is larger than the diameter of the top of the inner drive shaft 3, and the diameter of the top of the inner drive shaft 3 is smaller than the diameter of the bottom of the inner drive shaft 3.
Eight sets of magnetic blocks 55 are arranged, and the magnetic blocks 55 on the inner driving magnetic cylinder 54 correspond to the magnetic blocks 55 on the outer driving magnetic cylinder 53, so that the inner driving magnetic cylinder and the outer driving magnetic cylinder can rotate simultaneously.
The driving device 1 is a motor, and a motor shaft of the motor is vertical to the inner driving shaft 3.
Therefore, the utility model adopts the above structure tetrafluoro magnetic stirrers sets up the magnetic force head into the integrated into one piece structure, and adopts the PTFE material, need not to seal, and corrosion resistance is strong, has avoided the liquid medicine seepage simultaneously, can use in the stirring of corrosion-resistant liquid medicine, has increased magnetic stirrers's life.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.
Claims (9)
1. A tetrafluoro magnetic stirrer is characterized in that:
the magnetic driving device comprises a driving device, a speed reducer connected with the driving device and an inner driving shaft connected with the speed reducer, wherein a rack, a main magnetic shaft head and an auxiliary magnetic shaft head are sequentially sleeved outside the inner driving shaft from bottom to top;
the main magnetic shaft head and the auxiliary magnetic shaft head are of an integrally formed structure and are made of PTFE (polytetrafluoroethylene);
the main magnetic shaft head comprises a main shell, a main blade arranged on the outer wall of the main shell, an external driving magnetic cylinder arranged on the inner wall of the main shell and an internal driving magnetic cylinder arranged on the inner wall of the internal driving shaft, wherein magnetic blocks are arranged on the internal driving magnetic cylinder and the external driving magnetic cylinder;
the auxiliary magnetic shaft head comprises an auxiliary shell, a ceramic inner shaft sleeve and a ceramic outer shaft sleeve, wherein the ceramic inner shaft sleeve and the ceramic outer shaft sleeve are arranged in the auxiliary shell, the ceramic outer shaft sleeve is fixed on the outer side of the inner driving shaft, the ceramic inner shaft sleeve is fixed on the inner side of the inner driving shaft, and auxiliary blades are arranged on the auxiliary shell.
2. The tetrafluoro magnetic stirrer according to claim 1, characterized in that: the inner driving magnetic cylinder is connected with the inner driving shaft through an inner driving magnetic cylinder fixing sleeve, and an inner driving centering bearing is arranged at the joint of the bottom end of the inner driving magnetic cylinder, the rack and the inner driving shaft.
3. The tetrafluoro magnetic stirrer according to claim 2, characterized in that: the external drive magnetic cylinder is connected with the internal drive shaft and the main shell through an external drive magnetic cylinder fixing sleeve.
4. The tetrafluoro magnetic stirrer according to claim 3, characterized in that: the main casing with vice casing threaded connection, just the top of vice casing is provided with the axle sleeve and presses mother.
5. The tetrafluoro magnetic stirrer according to claim 4, characterized in that: the main paddle leaf with vice paddle all sets up to four, main paddle leaf with vice paddle alternately equidistance sets up.
6. The tetrafluoro magnetic stirrer according to claim 5, characterized in that: the auxiliary shell is composed of a cylindrical supporting seat and a cylindrical fixing seat fixed on the cylindrical supporting seat, the diameter of the cylindrical fixing seat is smaller than that of the cylindrical supporting seat, and a plurality of self-cleaning holes are formed in the cylindrical supporting seat.
7. The tetrafluoro magnetic stirrer according to claim 6, characterized in that: the diameter of the bottom of the inner drive shaft is smaller than the diameter of the middle of the inner drive shaft, the diameter of the middle of the inner drive shaft is larger than the diameter of the top of the inner drive shaft, and the diameter of the top of the inner drive shaft is smaller than the diameter of the bottom of the inner drive shaft.
8. The tetrafluoro magnetic stirrer according to claim 7, characterized in that: the eight sets of magnetic blocks are arranged, and the magnetic blocks on the inner driving magnetic cylinder correspond to the magnetic blocks on the outer driving magnetic cylinder.
9. The tetrafluoro magnetic stirrer according to claim 8, characterized in that: the driving device is a motor, and a motor shaft of the motor is perpendicular to the inner driving shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922258025.2U CN211436038U (en) | 2019-12-16 | 2019-12-16 | Tetrafluoro magnetic stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922258025.2U CN211436038U (en) | 2019-12-16 | 2019-12-16 | Tetrafluoro magnetic stirrer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211436038U true CN211436038U (en) | 2020-09-08 |
Family
ID=72314437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922258025.2U Active CN211436038U (en) | 2019-12-16 | 2019-12-16 | Tetrafluoro magnetic stirrer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211436038U (en) |
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2019
- 2019-12-16 CN CN201922258025.2U patent/CN211436038U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: AOGE FLUID ENGINEERING (SANHE) Co.,Ltd. Assignor: Hebei Aoge fluid equipment Co.,Ltd. Contract record no.: X2023980040368 Denomination of utility model: Tetrafluoromagnetic stirrer Granted publication date: 20200908 License type: Common License Record date: 20230823 |
|
| EE01 | Entry into force of recordation of patent licensing contract |