A magnetic fluid seal storage device

Abstract

The utility model provides a kind of magnetic fluid sealing storage device, belong to special material storage equipment technical field. For solving the certain limitation of existing storage device in sealing performance and storage effect, cannot satisfy the high quality storage demand of magnetic fluid class special material problem. Storage unit is arranged on ground or workbench by support frame, and magnetic sealing unit and stirring unit are all arranged in storage unit. The utility model utilizes the magnetic field generated by permanent magnet to make magnetic fluid form sealing band, realizes good sealing effect, effectively prevents outside impurity from entering and internal magnetic fluid leakage. Stirring unit makes magnetic fluid evenly distributed, avoids magnetic fluid precipitation or stratification, improves storage effect. Heat preservation layer can reduce the influence of external temperature on magnetic fluid, observation window is convenient for observing the state of magnetic fluid, exhaust hole can keep the stable air pressure in device, discharge port and discharge pipe are convenient for the discharge of magnetic fluid, improve the practicability and convenience of device.

Description

Technical Field

[0001] This utility model belongs to the technical field of special material storage equipment, and in particular relates to a magnetic fluid sealed storage device. Background Technology

[0002] In industrial production and scientific research, many materials require special storage environments to ensure their performance and quality. For some materials with special properties, such as magnetic fluids, it is necessary not only to prevent external impurities from entering and causing contamination, but also to prevent internal material leakage. Existing storage devices have certain limitations in terms of sealing performance and storage effect, and cannot meet the high-quality storage requirements of special magnetic fluid materials. Therefore, developing a sealed storage device for magnetic fluids with good sealing performance and storage effect is of significant practical importance. Summary of the Invention

[0003] The purpose of this invention is to provide a magnetic fluid sealed storage device to solve the problem that existing storage devices have certain limitations in terms of sealing performance and storage effect, and cannot meet the high-quality storage requirements for special materials such as magnetic fluids.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a magnetic fluid sealed storage device, comprising a storage unit, a magnetic sealing unit, and a stirring unit, wherein the storage unit is mounted on the ground or a workbench via a support frame, and the magnetic sealing unit and the stirring unit are both mounted inside the storage unit.

[0005] Furthermore, the storage unit includes an outer shell, an inner shell, and a top cover. The outer shell is fitted over the inner shell, forming a cavity between them. The top cover is annular and matches the outer shell and the inner shell. The top cover is horizontally positioned between the outer shell and the inner shell and is located at the top of the outer shell and the inner shell. The top cover is used to seal the cavity, and the longitudinal cross-sectional shape of the cavity is U-shaped.

[0006] Furthermore, the longitudinal cross-sectional shape of the outer shell is U-shaped, the top of the inner side wall of the outer shell is sealed and fixedly connected to the outer ring of the top cover, the outer side wall of the outer shell is provided with a heat insulation layer, multiple observation windows are vertically provided on the side wall of the outer shell, an exhaust hole is opened at the upper end of the side wall of the outer shell, a discharge port is opened through the middle of the bottom surface of the outer shell, a ball valve is provided at the discharge port, and the lower end of the discharge port is connected to the vertically arranged discharge pipe.

[0007] Furthermore, the top cover is provided with a feed inlet, and a sealing end cap is provided at the feed inlet.

[0008] Furthermore, the longitudinal cross-sectional shape of the inner shell is U-shaped, the top of the outer wall of the inner shell is sealed and fixedly connected to the inner ring of the top cover, the magnetic sealing unit is set at the top of the inner wall of the inner shell, the stirring unit is set at the bottom of the inner wall of the inner shell, and the top of the outer wall of the inner shell is provided with internal threads.

[0009] Furthermore, the magnetic sealing unit includes a circular fixed plate, a permanent magnet, a sealing pole shoe, and a magnetic sleeve. A rotating block is provided in the middle of the upper surface of the circular fixed plate, and an external thread is provided on the outer wall of the circular fixed plate. The external thread is used in conjunction with the internal thread on the inner shell. The lower surface of the circular fixed plate is provided with a permanent magnet and a sealing pole shoe. Both the permanent magnet and the sealing pole shoe are annular. The outer ring of the sealing pole shoe is fixedly connected to the inner ring of the permanent magnet and is set at the same center as the circular fixed plate. The lower surfaces of the permanent magnet and the sealing pole shoe are set at the same horizontal line. The magnetic sleeve is vertically set in the middle of the lower surface of the circular fixed plate and located inside the inner ring of the sealing pole shoe.

[0010] Furthermore, the stirring unit includes a motor mounting plate, a rotating motor, a rotating shaft, and multiple stirring blades. The motor mounting plate is horizontally disposed at the bottom end of the inner side wall of the inner shell, and the rotating motor is disposed at the middle of the lower end face of the motor mounting plate. The output end of the rotating motor is fixedly connected to the upper end of the vertically disposed rotating shaft. The lower end of the rotating shaft is vertically inserted into the receiving cavity between the outer shell and the inner shell. Multiple stirring blades are provided at the lower end of the rotating shaft, and the longitudinal cross-sectional shape of the stirring blades is matched with the longitudinal cross-sectional shape of the receiving cavity.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. This utility model achieves a good sealing effect by setting up a magnetic sealing unit, which uses the magnetic field generated by the permanent magnet to form a sealing strip for the magnetic fluid, effectively preventing the entry of external impurities and leakage of internal magnetic fluid.

[0013] 2. The stirring unit of this utility model can stir the magnetic fluid in the storage device, so that the magnetic fluid is evenly distributed, avoids the magnetic fluid from settling or separating, and improves the storage effect.

[0014] 3. The heat insulation layer provided on the outer shell of this utility model can reduce the influence of external temperature on the magnetic fluid in the storage device, the observation window facilitates the observation of the magnetic fluid status, the exhaust port can maintain stable air pressure in the device, and the discharge port and discharge pipe facilitate the discharge of magnetic fluid, thereby improving the practicality and convenience of the device. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model. Figure 1 ;

[0016] Figure 2 This is a schematic diagram of the overall structure of this utility model. Figure 2 ;

[0017] Figure 3 This is a schematic diagram of the overall structure of this utility model. Figure 3 ;

[0018] Figure 4 This is a schematic diagram of the overall structure of this utility model. Figure 4 ;

[0019] Figure 5 This is a cross-sectional view of the present invention;

[0020] Figure 6 This is a schematic diagram of the magnetic sealing unit.

[0021] The component names and reference numerals in the above figures are as follows:

[0022] 1. Storage unit; 2. Support frame; 3. Outer shell; 4. Inner shell; 5. Top cover; 6. Magnetic sealing unit; 7. Discharge pipe; 8. Observation window; 9. Vent; 10. Sealing end cover; 11. Insulation layer; 12. Circular fixing plate; 13. Rotating block; 14. Permanent magnet; 15. Sealing pole shoe; 16. Magnetic sleeve; 17. Motor mounting plate; 18. Rotating motor; 19. Rotating shaft;

[0023] 20. Agitator blade; 21. Ball valve. Detailed Implementation

[0024] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the protection scope of this utility model.

[0025] Detailed implementation methods: such as Figures 1-6 As shown, this embodiment discloses a magnetic fluid sealed storage device, including a storage unit 1, a magnetic sealing unit 6 and a stirring unit. The storage unit 1 is set on the ground or workbench by a support frame 2, and the magnetic sealing unit 6 and the stirring unit are both set inside the storage unit 1.

[0026] Furthermore, the storage unit 1 includes an outer shell 3, an inner shell 4, and a top cover 5. The outer shell 3 is fitted over the inner shell 4, forming a cavity between the outer shell 3 and the inner shell 4. The top cover 5 is annular and matches the outer shell 3 and the inner shell 4. The top cover 5 is horizontally positioned between the outer shell 3 and the inner shell 4 and is located at the top of the outer shell 3 and the inner shell 4. The top cover 5 is used to seal the cavity, and the longitudinal cross-sectional shape of the cavity is U-shaped.

[0027] Furthermore, the longitudinal cross-sectional shape of the outer casing 3 is U-shaped. The top of the inner sidewall of the outer casing 3 is sealed and fixedly connected to the outer ring of the top cover 5, which can be achieved by welding or sealing with sealant to ensure the airtightness of the connection. An insulation layer 11 is provided on the outer sidewall of the outer casing 3. The insulation layer 11 can be made of polyurethane foam or other insulation materials to reduce the impact of external temperature on the materials inside the storage device. Multiple observation windows 8 are vertically provided on the sidewall of the outer casing 3. The observation windows 8 are made of transparent materials, such as tempered glass, to facilitate observation of the state of the magnetic fluid inside the storage device. An exhaust port 9 is opened at the upper end of the sidewall of the outer casing 3 to discharge gas from the storage device and maintain stable gas pressure inside the device. A discharge port is opened through the middle of the inner bottom surface of the outer casing 3. A ball valve 21 is provided at the discharge port. The lower end of the discharge port is connected to a vertically arranged discharge pipe 7. The discharge of the magnetic fluid can be achieved by controlling the opening and closing of the ball valve 21.

[0028] Furthermore, the top cover 5 is provided with a feed inlet, and a sealing end cap 10 is provided at the feed inlet. The sealing end cap 10 is sealed to the feed inlet by means of threaded connection or snap-fit ​​connection to prevent magnetic fluid leakage and external impurities from entering.

[0029] Furthermore, the longitudinal cross-sectional shape of the inner shell 4 is U-shaped, and the top of the outer side wall of the inner shell 4 is sealed and fixedly connected to the inner ring of the top cover 5 in the same way as the connection between the outer shell 3 and the top cover 5. The magnetic sealing unit 6 is disposed at the top of the inner side wall of the inner shell 4, and the stirring unit is disposed at the bottom of the inner side wall of the inner shell 4. The top of the outer side wall of the inner shell 4 is provided with an internal thread for connection with the magnetic sealing unit 6.

[0030] Furthermore, the magnetic sealing unit 6 includes a circular fixing plate 12, a permanent magnet 14, a sealing pole shoe 15, and a magnetic sleeve 16. A rotating block 13 is provided at the center of the upper end face of the circular fixing plate 12, facilitating the installation and removal of the circular fixing plate 12 via the rotating block 13. An external thread is provided on the outer wall of the circular fixing plate 12, which engages with the internal thread on the inner shell 4 to achieve a detachable connection between the circular fixing plate 12 and the inner shell 4. The lower end face of the circular fixing plate 12 is provided with the permanent magnet 14 and the sealing pole shoe 15. Both the permanent magnet 14 and the sealing pole shoe 15 are annular. The outer ring of the sealing pole shoe 15 is fixedly connected to the inner ring of the permanent magnet 14 and is concentric with the circular fixing plate 12. The lower end faces of the permanent magnet 14 and the sealing pole shoe 15 are arranged on the same horizontal line. The magnetic sleeve 16 is vertically arranged at the center of the lower end face of the circular fixing plate 12 and located within the inner ring of the sealing pole shoe 15, used to guide the magnetic field and enhance the sealing effect. The permanent magnet 14 generates a magnetic field, which enables the magnetic fluid to be sealed and stored under the action of the permanent magnet 14, the sealed pole shoe 15 and the magnetic sleeve 16. The sealed pole shoe 15 and the magnetic sleeve 16 are made of soft magnetic material.

[0031] Furthermore, the stirring unit includes a motor mounting plate 17, a rotating motor 18, a rotating shaft 19, and multiple stirring blades 20. The motor mounting plate 17 is horizontally disposed at the bottom of the inner wall of the inner shell 4 and can be fixed by welding or bolt connection. The rotating motor 18 is disposed in the middle of the lower end face of the motor mounting plate 17, providing power for the rotation of the stirring blades. The output end of the rotating motor 18 is fixedly connected to the upper end of the vertically disposed rotating shaft 19. The lower end of the rotating shaft 19 vertically penetrates into the receiving cavity between the outer shell 3 and the inner shell 4. Multiple stirring blades 20 are provided at the lower end of the rotating shaft 19. The longitudinal cross-sectional shape of the stirring blades 20 matches the longitudinal cross-sectional shape of the receiving cavity, which can better stir the material in the receiving cavity and make the material evenly distributed.

[0032] I. Device Assembly

[0033] First, the inner shell 4 is placed inside the outer shell 3, forming a U-shaped cavity between them. The top cover 5 is then placed horizontally between the outer shell 3 and the inner shell 4, so that the outer ring of the top cover 5 is sealed and fixedly connected to the top of the inner wall of the outer shell 3, and the inner ring of the top cover 5 is sealed and fixedly connected to the top of the outer wall of the inner shell 4, thus completing the assembly of the storage unit 1.

[0034] The circular fixing plate 12 is connected to the inner thread at the top of the inner wall of the inner housing 4 by the external thread on its outer side wall. The rotating block 13 on the circular fixing plate 12 is rotated to install the magnetic sealing unit 6 at the top of the inner wall of the inner housing 4.

[0035] The motor mounting plate 17 is horizontally installed on the bottom of the inner wall of the inner housing 4. The rotating motor 18 is installed in the middle of the lower end face of the motor mounting plate 17. The upper end of the rotating shaft 19 is fixedly connected to the output end of the rotating motor 18, and the lower end of the rotating shaft 19 is vertically inserted into the cavity between the outer housing 3 and the inner housing 4. Multiple stirring blades 20 are installed on the lower end of the rotating shaft 19, so that the longitudinal cross-sectional shape of the stirring blades 20 matches the longitudinal cross-sectional shape of the cavity, thus completing the assembly of the stirring unit.

[0036] The assembled storage unit 1 is placed on the ground or workbench using the support frame 2.

[0037] II. Working Principle

[0038] Sealing principle: The permanent magnet 14 in the magnetic sealing unit 6 generates a magnetic field, which causes the magnetic fluid in the cavity to be sealed and stored under the action of the permanent magnet 14, the sealing pole shoe 15 and the magnetic sleeve 16.

[0039] Stirring principle: After the rotating motor 18 starts, it drives the rotating shaft 19 to rotate, which in turn drives the stirring blade 20 to rotate. The stirring blade 20 stirs the magnetic fluid in the cavity, making the magnetic fluid evenly distributed and preventing the magnetic fluid from settling or separating.

[0040] III. Work Process

[0041] Feeding: Open the sealing end cap 10 on the top cover 5 and inject the magnetic fluid to be stored into the storage device through the feed port. The magnetic fluid enters the receiving cavity between the outer shell 3 and the inner shell 4. After feeding is completed, seal the sealing end cap 10 to prevent magnetic fluid leakage and the entry of external impurities.

[0042] Storage: During storage, the insulation layer 11 reduces the impact of external temperature on the magnetic fluid inside the storage device, and the observation window 8 allows for constant monitoring of the magnetic fluid's condition. The vent 9 allows for the discharge of gases generated inside the storage device due to the evaporation of the magnetic fluid or other reasons, maintaining stable internal pressure.

[0043] Stirring: As needed, start the rotating motor 18 to make the stirring blade 20 rotate and stir the magnetic fluid to make the magnetic fluid evenly distributed.

[0044] Discharge: When it is necessary to discharge the magnetic fluid, open ball valve 21, and the magnetic fluid will be discharged through the discharge port and discharge pipe 7. After discharge is completed, close ball valve 21.

[0045] This invention relates to a sealed storage device suitable for storing materials that require sealed storage and must be protected from external contamination or leakage of internal substances, especially for storing special magnetic fluid materials. It solves the problems of existing storage devices in terms of sealing performance and storage effect, achieving high-quality sealed storage of special magnetic fluid materials.

[0046] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of the equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0047] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A magnetic fluid sealed storage device, characterized in that: It includes a storage unit (1), a magnetic sealing unit (6) and a stirring unit. The storage unit (1) is set on the ground or workbench by a support frame (2). The magnetic sealing unit (6) and the stirring unit are both set inside the storage unit (1).

2. The magnetic fluid sealed storage device according to claim 1, characterized in that: The storage unit (1) includes an outer shell (3), an inner shell (4) and a top cover (5). The outer shell (3) is fitted outside the inner shell (4), and a cavity is formed between the outer shell (3) and the inner shell (4). The top cover (5) is annular and matches the outer shell (3) and the inner shell (4). The top cover (5) is horizontally positioned between the outer shell (3) and the inner shell (4) and is located at the top of the outer shell (3) and the inner shell (4). The top cover (5) is used to seal the cavity, and the longitudinal cross-sectional shape of the cavity is U-shaped.

3. A magnetic fluid sealed storage device according to claim 2, characterized in that: The longitudinal section of the outer shell (3) is U-shaped. The top of the inner side wall of the outer shell (3) is sealed and fixedly connected to the outer ring of the top cover (5). An insulation layer (11) is provided on the outer side wall of the outer shell (3). Multiple observation windows (8) are vertically provided on the side wall of the outer shell (3). An exhaust hole (9) is opened at the upper end of the side wall of the outer shell (3). A discharge port is opened through the middle of the inner bottom surface of the outer shell (3). A ball valve (21) is provided at the discharge port. The lower end of the discharge port is connected to the vertically arranged discharge pipe (7).

4. A magnetic fluid sealed storage device according to claim 3, characterized in that: The top cover (5) is provided with a feed inlet, and a sealing end cap (10) is provided at the feed inlet.

5. A magnetic fluid sealed storage device according to claim 4, characterized in that: The longitudinal section of the inner shell (4) is U-shaped. The top of the outer wall of the inner shell (4) is sealed and fixedly connected to the inner ring of the top cover (5). The magnetic sealing unit (6) is set at the top of the inner wall of the inner shell (4). The stirring unit is set at the bottom of the inner wall of the inner shell (4). The top of the outer wall of the inner shell (4) is provided with an internal thread.

6. A magnetic fluid sealed storage device according to claim 5, characterized in that: The magnetic sealing unit (6) includes a circular fixed plate (12), a permanent magnet (14), a sealing pole shoe (15), and a magnetic sleeve (16). A rotating block (13) is provided in the middle of the upper end face of the circular fixed plate (12). An external thread is provided on the outer wall of the circular fixed plate (12), which is used in conjunction with the internal thread on the inner shell (4). A permanent magnet (14) and a sealing pole shoe (15) are provided on the lower end face of the circular fixed plate (12). Both the permanent magnet (14) and the sealing pole shoe (15) are annular. The outer ring of the sealing pole shoe (15) is fixedly connected to the inner ring of the permanent magnet (14) and is set with the same center as the circular fixed plate (12). The lower end faces of the permanent magnet (14) and the sealing pole shoe (15) are set at the same horizontal line. The magnetic sleeve (16) is vertically set in the middle of the lower end face of the circular fixed plate (12) and is located inside the inner ring of the sealing pole shoe (15).

7. A magnetic fluid sealed storage device according to claim 6, characterized in that: The stirring unit includes a motor mounting plate (17), a rotating motor (18), a rotating shaft (19), and multiple stirring blades (20). The motor mounting plate (17) is horizontally arranged at the bottom of the inner wall of the inner shell (4). The rotating motor (18) is arranged in the middle of the lower end face of the motor mounting plate (17). The output end of the rotating motor (18) is fixedly connected to the upper end of the vertically arranged rotating shaft (19). The lower end of the rotating shaft (19) is vertically inserted into the cavity between the outer shell (3) and the inner shell (4). Multiple stirring blades (20) are provided at the lower end of the rotating shaft (19). The longitudinal cross-sectional shape of the stirring blades (20) matches the longitudinal cross-sectional shape of the cavity.

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