CN218498924U

CN218498924U - Magnetic coupling with sealing structure

Info

Publication number: CN218498924U
Application number: CN202222604465.0U
Authority: CN
Inventors: 陈书永; 王兆雄; 陈伍龙
Original assignee: Zhuji Ichoice Magtech Co ltd
Current assignee: Zhuji Ichoice Magtech Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-02-17
Anticipated expiration: 2032-09-30

Abstract

The utility model relates to a magnetic coupling technical field just discloses a magnetic coupling with seal structure, which comprises a housin, the inside swing joint of casing has the separation sleeve, the inside swing joint of casing has the magnet, the outer wall swing joint of magnet has the external rotor, the inside swing joint of separation sleeve has the inner rotor, the inside swing joint of casing has the driving shaft, the inside swing joint of casing has the driven shaft, the inside fixedly connected with bearing of casing, the outer wall fixedly connected with connecting block of bearing, one side fixedly connected with sealing boot of connecting block. This magnetic coupling with seal structure can make this magnetic coupling have good sealed effect, improves the leakproofness that driven shaft and driving shaft are connected, avoids inside dust etc. gets into the gap, causes the influence to the transmission work of driven shaft and driving shaft to make this magnetic coupling's practicality obtain certain promotion.

Description

Magnetic coupling with sealing structure

Technical Field

The utility model relates to a magnetic coupling technical field specifically is a magnetic coupling with seal structure.

Background

The magnetic transmission coupling is composed of inner and outer 2 magnets, the middle of which is separated by a cage from the 2 magnets, the inner magnet is connected with the driven part, and the outer magnet is connected with the power part. The magnetic transmission coupling has the functions of buffering and absorbing vibration of the elastic coupling, and is mainly characterized in that the magnetic transmission coupling breaks through the structural form of the traditional coupling, adopts a brand-new magnetic coupling principle, realizes the transmission of force and torque between a driving shaft and a driven shaft without direct contact, can change dynamic sealing into static sealing, and realizes zero leakage. Therefore, it is widely applied to occasions with special requirements on leakage.

The following problems exist in the prior art:

1. in the prior art, the magnetic coupling with a sealing structure has poor sealing performance on the connection of a driven shaft and a driving shaft, and dust and the like easily enter a gap to influence the normal work of the driven shaft and the driving shaft;

2. the magnetic coupling with the sealing structure in the prior art has poor heat dissipation effect, only adopts the heat dissipation fins for heat dissipation, and the heat dissipation fins generate wind resistance during working, so that the transmission efficiency of the coupling is reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a magnetic coupling with seal structure possesses sealed effectual advantage such as, has solved the problem among the above-mentioned background art.

(II) technical scheme

For realizing the above-mentioned sealed effectual purpose, the utility model provides a following technical scheme: the utility model provides a magnetic coupling with seal structure, includes the casing, the inside swing joint of casing has the separation sleeve, the inside swing joint of casing has the magnet, the outer wall swing joint of magnet has the external rotor, the inside swing joint of separation sleeve has the inner rotor, the inside swing joint of casing has the driving shaft, the inside swing joint of casing has the driven shaft.

The inside fixedly connected with bearing of casing, the outer wall fixedly connected with connecting block of bearing, one side fixedly connected with sealed cowling of connecting block, the outer wall fixedly connected with sealing washer of connecting block, the inside fixedly connected with filler of sealed cowling, the sealed pad of inner wall fixedly connected with of sealed cowling can make this magnetic coupling have good sealed effect, improves the leakproofness that driven shaft and driving shaft are connected, avoids inside dust etc. gets into the gap, causes the influence to the transmission work of driven shaft and driving shaft to make this magnetic coupling's practicality obtain certain promotion.

Preferably, the shape and size of the connecting block are matched with those of the sealing cover, and the connecting block is fixedly connected with the sealing cover, so that the bearing and the sealing cover can be conveniently butted.

Preferably, the outer wall fixedly connected with of driving shaft is solid fixed ring, gu fixed ring's outer wall fixedly connected with flabellum, the louvre has been seted up on the top of casing, the top swing joint of casing has the dust screen, the top swing joint of dust screen has fixing bolt, the thread groove has been seted up on the top of casing, is convenient for dispel the heat in-process in driven shaft and driving shaft work in step, improves the radiating effect to magnetic coupling.

Preferably, the shape and size of the fixing ring are matched with those of the driving shaft, and the fixing ring is fixedly connected with the driving shaft, so that the fan blades can be driven to rotate to generate wind power conveniently.

Preferably, the number of louvres is a plurality of, and a plurality of louvres equidistance is seted up on the top of casing, is convenient for derive the inside heat of casing.

Preferably, the fixing bolt penetrates through the interior of the dust screen and extends to the interior of the thread groove, and the fixing bolt is movably connected with the thread groove, so that the dust screen is convenient to detach and mount.

Preferably, the shape and size of the sealing ring are matched with those of the connecting block, and the sealing ring is fixedly connected with the connecting block, so that the sealing performance of the connecting block and the shell is improved.

(III) advantageous effects

Compared with the prior art, the utility model provides a magnetic coupling with seal structure possesses following beneficial effect:

1. this magnetic coupling with seal structure, through casing, bearing, connecting block, sealed cowling, sealing washer, filler and the sealed pad that sets up, can be so that this magnetic coupling has good sealed effect, improve the leakproofness that driven shaft and driving shaft are connected, avoid inside dust etc. get into the gap, cause the influence to the transmission work of driven shaft and driving shaft to make this magnetic coupling's practicality obtain certain promotion.

2. This magnetic coupling with seal structure through solid fixed ring, flabellum, louvre, dust screen, fixing bolt and the thread groove that sets up, can be so that this magnetic coupling has good radiating effect, is convenient for dispel the heat in the in-process of driven shaft and driving shaft work in step, improves the radiating effect to magnetic coupling to make this magnetic coupling's suitability obtain certain promotion.

Drawings

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

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

FIG. 3 is a perspective view of the connection structure between the sealing cap and the filler of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 5 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.

In the figure: 1. a housing; 2. an isolation sleeve; 3. a magnet; 4. an outer rotor; 5. an inner rotor; 6. a drive shaft; 7. a driven shaft; 8. a bearing; 9. connecting blocks; 10. a sealing cover; 11. a seal ring; 12. a filler; 13. a gasket; 14. a fixing ring; 15. a fan blade; 16. heat dissipation holes; 17. a dust screen; 18. fixing the bolt; 19. a thread groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

The preferred embodiment of the magnetic coupling with a sealing structure provided by the present invention is shown in fig. 1 to 5: the utility model provides a magnetic coupling with seal structure, includes casing 1, and the inside swing joint of casing 1 has separation sleeve 2, and the inside swing joint of casing 1 has magnet 3, and the outer wall swing joint of magnet 3 has external rotor 4, and the inside swing joint of separation sleeve 2 has inner rotor 5, and the inside swing joint of casing 1 has driving shaft 6, and the inside swing joint of casing 1 has driven shaft 7.

The inside fixedly connected with bearing 8 of casing 1, the outer wall fixedly connected with connecting block 9 of bearing 8, one side fixedly connected with sealed cowling 10 of connecting block 9, the outer wall fixedly connected with sealing washer 11 of connecting block 9, the inside fixedly connected with filler 12 of sealed cowling 10, the sealed pad 13 of inner wall fixedly connected with of sealed cowling 10, can make this magnetic coupling have good sealed effect, improve the leakproofness that driven shaft 7 and driving shaft 6 are connected, inside avoiding entering gap such as dust, cause the influence to the transmission work of driven shaft 7 and driving shaft 6, thereby make this magnetic coupling's practicality obtain certain promotion.

In this embodiment, the shape and size of the connecting block 9 and the shape and size of the sealing cover 10 are both matched with each other, and the connecting block 9 is fixedly connected with the sealing cover 10, so that the bearing 8 is conveniently butted with the sealing cover 10.

Example 2

On the basis of embodiment 1, the present invention provides a preferred embodiment of a magnetic coupling with a sealing structure, which is shown in fig. 1 to 5: the outer wall fixedly connected with of driving shaft 6 fixes ring 14, the outer wall fixedly connected with flabellum 15 of fixed ring 14, louvre 16 has been seted up on the top of casing 1, the top swing joint of casing 1 has dust screen 17, the top swing joint of dust screen 17 has fixing bolt 18, thread groove 19 has been seted up on the top of casing 1, be convenient for dispel the heat in-process in driven shaft 7 and the work of driving shaft 6 in step, improve the radiating effect to magnetic coupling.

In this embodiment, the shape and size of the fixing ring 14 are matched with the shape and size of the driving shaft 6, and the fixing ring 14 is fixedly connected with the driving shaft 6, so as to facilitate the rotation of the fan blades 15 to generate wind power.

Furthermore, the number of the heat dissipation holes 16 is a plurality of, and the plurality of heat dissipation holes 16 are equidistantly arranged on the top end of the casing 1, so that the heat inside the casing 1 can be conveniently conducted out.

Furthermore, the fixing bolt 18 penetrates through the interior of the dust screen 17 and extends to the interior of the threaded groove 19, and the fixing bolt 18 is movably connected with the threaded groove 19, so that the dust screen 17 can be conveniently detached and installed.

In addition, the shape and the size of the sealing ring 11 are matched with those of the connecting block 9, and the sealing ring 11 is fixedly connected with the connecting block 9, so that the sealing performance of the connecting block 9 and the shell 1 is improved.

During the use, through 8 outer lanes of bearing and casing 1 fixed connection, drive the installation of connecting block 9 and sealed cowling 10, simultaneously through sealing washer 11, the setting of filler 12 and sealed pad 13, increase the leakproofness of driving shaft 6 and driven shaft 7 and casing 1, and when driving shaft 6 and driven shaft 7 transmission, drive the rotation of solid fixed ring 14 and flabellum 15, then produce wind-force, discharge the heat of casing 1 inside through louvre 16, and prevent dust through dust screen 17, regularly can twist out thread groove 19 with fixing bolt 18 and dismantle and clear up dust screen 17, thereby work is accomplished.

To sum up, this magnetic coupling with seal structure, can make this magnetic coupling have good sealed effect, improve the leakproofness that driven shaft 7 and driving shaft 6 are connected, inside avoiding dust etc. to get into the gap, cause the influence to the transmission work of driven shaft 7 and driving shaft 6, thereby make this magnetic coupling's practicality obtain certain promotion, this magnetic coupling has good radiating effect, be convenient for dispel the heat in-process in 7 and the 6 work of driving shaft in step, improve the radiating effect to magnetic coupling, thereby make this magnetic coupling's suitability obtain certain promotion.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A magnetic coupling with a sealing structure, comprising a housing (1), characterized in that: the inner part of the shell (1) is movably connected with an isolation sleeve (2), the inner part of the shell (1) is movably connected with a magnet (3), the outer wall of the magnet (3) is movably connected with an outer rotor (4), the inner part of the isolation sleeve (2) is movably connected with an inner rotor (5), the inner part of the shell (1) is movably connected with a driving shaft (6), and the inner part of the shell (1) is movably connected with a driven shaft (7);

the inside fixedly connected with bearing (8) of casing (1), the outer wall fixedly connected with connecting block (9) of bearing (8), one side fixedly connected with sealed cowling (10) of connecting block (9), the outer wall fixedly connected with sealing washer (11) of connecting block (9), the inside fixedly connected with filler (12) of sealed cowling (10), the sealed pad (13) of inner wall fixedly connected with of sealed cowling (10).

2. A magnetic coupling having a sealing structure according to claim 1, wherein: the shape and the size of the connecting block (9) are matched with those of the sealing cover (10), and the connecting block (9) is fixedly connected with the sealing cover (10).

3. A magnetic coupling having a sealing structure according to claim 1, wherein: the outer wall fixedly connected with of driving shaft (6) is fixed ring (14), the outer wall fixedly connected with flabellum (15) of fixed ring (14), louvre (16) have been seted up on the top of casing (1), the top swing joint of casing (1) has dust screen (17), the top swing joint of dust screen (17) has fixing bolt (18), thread groove (19) have been seted up on the top of casing (1).

4. A magnetic coupling having a sealing structure according to claim 3, wherein: the shape and the size of the fixing ring (14) are matched with those of the driving shaft (6), and the fixing ring (14) is fixedly connected with the driving shaft (6).

5. A magnetic coupling having a sealing structure according to claim 3, wherein: the number of the heat dissipation holes (16) is a plurality, and the plurality of heat dissipation holes (16) are arranged at the top end of the shell (1) at equal intervals.

6. A magnetic coupling having a sealing structure according to claim 3, wherein: the fixing bolt (18) penetrates through the interior of the dust screen (17) and extends to the interior of the threaded groove (19), and the fixing bolt (18) is movably connected with the threaded groove (19).

7. A magnetic coupling having a sealing structure according to claim 1, wherein: the shape and the size of the sealing ring (11) are matched with those of the connecting block (9), and the sealing ring (11) is fixedly connected with the connecting block (9).