Supercharging device of magnetic suspension fan

Abstract

The utility model provides a supercharging device of a magnetic suspension fan, belongs to the technical field of magnetic suspension fans, and aims to solve the problem that the working efficiency is relatively influenced in the dismounting process due to the fact that the supercharging device of the magnetic suspension fan is usually fixed through a plurality of bolts in the dismounting or mounting process of the conventional supercharging device of the magnetic suspension fan. A pressurizing shell is installed on the lower end face of a fan shell. The top shell is mounted on the upper end surface of the fan shell; the number of the driving shafts is two, and the two driving shafts are installed on the inner side of the fan shell through magnetic suspension bearings correspondingly. The number of the fan blades is two, and the two fan blades are fixedly connected to the outer sides of the two driving shafts correspondingly. The adjusting ring is rotationally connected to the lower end of the pressurizing shell; the number of the rotating shafts is two, and the two rotating shafts are rotationally connected to the inner side of the fan shell. Through the arrangement, the disassembly and assembly of the supercharging shell and the top shell are simplified, the working efficiency is improved, and the labor intensity is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of magnetic levitation fans, and more specifically, particularly relates to a pressure boosting device for a magnetic levitation fan. Background Technique

[0002] Magnetic levitation fans mainly rely on the combination of magnetic levitation bearings and high-speed permanent magnet synchronous motors. Through controllable electromagnetic force, the internally rotating magnetic levitation bearings are supported without contact to achieve the suspension of the rotating shaft, thus avoiding the friction and wear of traditional mechanical bearings. The pressure boosting device can increase the output wind pressure of the magnetic levitation fan.

[0003] According to a pressure boosting device for a magnetic levitation fan disclosed in Application No.: CN202022562802.5, it includes: a magnetic levitation fan volute. An air intake support plate is provided at the lower end of the magnetic levitation fan volute. A pressure boosting housing is provided on one side of the magnetic levitation fan volute, and a sealing support plate is provided on the other side. One end of the pressure boosting housing is installed on the air outlet of the magnetic levitation fan volute, and an exhaust port is provided at the other end. A fan blade is provided in the magnetic levitation fan volute. The fan blade is fixedly installed at one end of a fan drive shaft. A motor connection seat is provided at the other end of the fan drive shaft. The fan drive shaft is installed on the sealing support plate through a magnetic levitation bearing. The magnetic levitation fan volute includes a volute body. A cavity partition plate is provided in the volute body. The cavity partition plate divides the inside of the volute body into two impeller installation cavities. An air intake is provided below the impeller installation cavity. The utility model can effectively boost the output pressure of the fan through the pressure boosting housing, effectively increase the output distance, and improve the applicable range of the fan.

[0004] Based on the above, during the disassembly or installation process of the existing pressure boosting device for a magnetic levitation fan, since the pressure boosting device of the magnetic levitation fan is usually fixed by multiple bolts, the work efficiency is more affected during the disassembly process. Content of the Utility Model

[0005] In order to solve the above technical problems, the utility model provides a pressure boosting device for a magnetic levitation fan to solve the problem that during the disassembly or installation process of the existing pressure boosting device for a magnetic levitation fan, since the pressure boosting device of the magnetic levitation fan is usually fixed by multiple bolts, the work efficiency is more affected during the disassembly process.

[0006] The purpose and effect of the pressure boosting device for a magnetic levitation fan of the utility model are achieved by the following specific technical means:

[0007] A pressure boosting device for a magnetic levitation fan, comprising a fan housing, a pressure boosting housing, a top housing, a drive shaft, a fan blade, an adjustment ring, a rotating shaft, a threaded shaft, an adjustment mechanism and a disassembly and assembly mechanism; the pressure boosting housing is installed on the lower end face of the fan housing; the top housing is installed on the upper end face of the fan housing; there are two drive shafts, and the two drive shafts are respectively installed on the inner side of the fan housing through magnetic levitation bearings; there are two fan blades, and the two fan blades are respectively fixedly connected to the outer sides of the two drive shafts; the adjustment ring is rotatably connected to the lower end of the pressure boosting housing; there are two groups of rotating shafts, and the two groups of rotating shafts are both rotatably connected to the inner side of the fan housing; there are two groups of threaded shafts, and the two groups of threaded shafts are respectively fixedly connected to the outer sides of the two groups of rotating shafts; the adjustment mechanism is arranged at the lower end of the pressure boosting housing; the disassembly and assembly mechanism is arranged on the outer side of the fan housing.

[0008] Further, the adjustment mechanism includes: inclined grooves, a fixed ring, arc grooves, adjustment plates and fixed shafts; there are multiple inclined grooves, and the multiple inclined grooves are all opened on the lower end of the pressure boosting housing; the fixed ring is fixedly connected to the inner side of the adjustment ring; there are multiple arc grooves, and the multiple arc grooves are all opened on the inner side of the fixed ring; there are multiple adjustment plates, and the multiple adjustment plates are all slidably connected to the inner side of the lower end of the pressure boosting housing; there are multiple fixed shafts, and the multiple fixed shafts are respectively fixedly connected to the inner sides of the multiple adjustment plates, and the multiple fixed shafts are respectively slidably connected to the inner sides of the multiple inclined grooves and the multiple arc grooves.

[0009] Further, the disassembly and assembly mechanism includes: square shafts and operating parts; there are two groups of square shafts, and the two groups of square shafts are respectively fixedly connected to the outer sides of the two groups of rotating shafts; there are multiple operating parts, and the multiple operating parts are respectively slidably connected to the outer sides of the two groups of square shafts.

[0010] Further, the disassembly and assembly mechanism further includes: limit frames and fastening nuts; there are two groups of limit frames, and the two groups of limit frames are respectively fixedly connected to the outer sides of the pressure boosting housing and the top housing; there are two groups of fastening nuts, and the two groups of fastening nuts are respectively slidably connected to the inner sides of the two groups of limit frames, and the two groups of fastening nuts are respectively threadedly connected to the two groups of threaded shafts.

[0011] Further, the disassembly and assembly mechanism further includes: limit grooves, limit insertion blocks and limit springs; there are multiple groups of limit grooves, and the multiple groups of limit grooves are respectively opened on the inner sides of the multiple operating parts; there are two groups of limit insertion blocks, and the two groups of limit insertion blocks are respectively slidably connected to the inner sides of the two groups of square shafts, and the limit insertion blocks are inserted into the inner sides of the limit grooves; there are two groups of limit springs, one ends of the two groups of limit springs are respectively fixedly connected to the outer sides of the two groups of limit insertion blocks, and the other ends of the two groups of limit springs are respectively fixedly connected to the inner sides of the two groups of square shafts.

[0012] Further, the disassembly and assembly mechanism further includes: insertion rods and fixing blocks; there are two groups of insertion rods, and the two groups of insertion rods are respectively slidably connected to the inner sides of the two groups of rotating shafts; there are two groups of fixing blocks, and the two groups of fixing blocks are respectively fixedly connected to the outer sides of the two groups of insertion rods.

[0013] Compared with the prior art, the present utility model has the following beneficial effects:

[0014] Through the setting of the adjustment mechanism, the adjustment of the output wind pressure is realized. By rotating the adjustment ring, the adjustment ring can drive the fixed ring to rotate. The rotation of the fixed ring will drive multiple adjustment plates to incline under the action of the sliding connection between the arc-shaped groove and the fixed shaft, and adjust the aperture between the adjustment plates to achieve the effect of adjusting the pressure, improving the adaptability and reducing the use cost; through the setting of the disassembly and assembly mechanism, the disassembly and assembly of the supercharging housing and the top shell are simplified. When the operating part is simultaneously slidably connected to the outer sides of the two square shafts, rotating the operating part, the operating part will drive the two rotating shafts to rotate through the square shafts. The rotation of the rotating shafts will drive the threaded shafts to rotate, so that the threaded shafts are tightened or loosened under the action of the threaded connection with the fastening nuts, reducing the operation, improving the work efficiency, and reducing the labor intensity; through the setting of the above mechanisms, the adjustment of the output wind pressure is realized, the adaptability is improved, the use cost is reduced, the disassembly and assembly of the supercharging housing and the top shell are also simplified, the operation is reduced, the work efficiency is improved, and the labor intensity is reduced. Description of the Drawings

[0015] Figure 1 is a schematic structural diagram of the main body of the present utility model.

[0016] Figure 2 is a schematic structural diagram of the fan blade of the present utility model.

[0017] Figure 3 is a schematic structural diagram of the disassembled adjustment ring of the present utility model.

[0018] Figure 4 is a schematic cross-sectional view of the fan housing of the present utility model.

[0019] Figure 5 is a schematic structural diagram of the operating part of the present utility model.

[0020] Figure 6 is the present utility model Figure 4 is a partially enlarged schematic structural diagram at A in

[0021] In the figure, the corresponding relationship between the component names and the drawing reference numerals is:

[0022] 1. Fan housing; 2. Supercharger housing; 201. Inclined groove; 3. Top shell; 4. Drive shaft; 5. Fan blades; 6. Adjusting ring; 7. Rotating shaft; 701. Square shaft; 8. Threaded shaft; 9. Fixed ring; 901. Arc groove; 10. Adjusting plate; 1001. Fixed shaft; 11. Operating member; 1101. Limit groove; 12. Limit bracket; 13. Fastening nut; 14. Limit insertion block; 15. Limit spring; 16. Insertion rod; 1601. Fixed block. Specific embodiments

[0023] The following further describes in detail the embodiments of the present utility model in conjunction with the accompanying drawings and embodiments.

[0024] Embodiment 1:

[0025] As shown in the Figures 1-3 accompanying drawings:

[0026] The present utility model provides a supercharging device for a magnetic levitation fan, including a fan housing 1, a supercharger housing 2, a top shell 3, a drive shaft 4, fan blades 5, an adjusting ring 6, a rotating shaft 7, a threaded shaft 8 and an adjusting mechanism; the supercharger housing 2 is installed on the lower end surface of the fan housing 1; the top shell 3 is installed on the upper end surface of the fan housing 1; there are two drive shafts 4, and the two drive shafts 4 are respectively installed inside the fan housing 1 through magnetic levitation bearings; there are two fan blades 5, and the two fan blades 5 are respectively fixedly connected to the outside of the two drive shafts 4; the adjusting ring 6 is rotatably connected to the lower end of the supercharger housing 2; there are two groups of rotating shafts 7, and the two groups of rotating shafts 7 are both rotatably connected inside the fan housing 1; there are two groups of threaded shafts 8, and the two groups of threaded shafts 8 are respectively fixedly connected to the outside of the two groups of rotating shafts 7; the adjusting mechanism is arranged at the lower end of the supercharger housing 2.

[0027] Among them, the adjusting mechanism includes: inclined grooves 201, a fixed ring 9, arc grooves 901, an adjusting plate 10 and a fixed shaft 1001; there are multiple inclined grooves 201, and the multiple inclined grooves 201 are all opened on the lower end of the supercharger housing 2; the fixed ring 9 is fixedly connected to the inside of the adjusting ring 6; there are multiple arc grooves 901, and the multiple arc grooves 901 are all opened on the inside of the fixed ring 9; there are multiple adjusting plates 10, and the multiple adjusting plates 10 are all slidably connected to the inside of the lower end of the supercharger housing 2; there are multiple fixed shafts 1001, and the multiple fixed shafts 1001 are respectively fixedly connected to the inside of the multiple adjusting plates 10, and the multiple fixed shafts 1001 are respectively slidably connected to the inside of the multiple inclined grooves 201 and the multiple arc grooves 901.

[0028] The specific usage method and function of this embodiment: By rotating the adjusting ring 6, the adjusting ring 6 can drive the fixed ring 9 to rotate. The rotation of the fixed ring 9 will drive multiple adjusting plates 10 to tilt under the action of the sliding connection between the arc groove 901 and the fixed shaft 1001, and adjust the aperture between the adjusting plates 10 to achieve the effect of adjusting the pressure.

[0029] Embodiment 2:

[0030] On the basis of the first embodiment, Figures 4-6 As shown, the disassembly and assembly mechanism includes: a square shaft 701, an operating member 11, a limiting groove 1101, a limiting frame 12, a fastening nut 13, a limiting plug block 14, a limiting spring 15, an insert rod 16 and a fixing block 1601; the disassembly and assembly mechanism is arranged on the outer side of the fan housing 1; there are two groups of square shafts 701, and the two groups of square shafts 701 are respectively fixedly connected to the outer sides of the two groups of rotating shafts 7; there are multiple operating members 11, and the multiple operating members 11 are respectively slidably connected to the outer sides of the two groups of square shafts 701; there are multiple groups of limiting grooves 1101, and the multiple groups of limiting grooves 1101 are respectively opened on the inner sides of the multiple operating members 11; there are two groups of limiting frames 12, and the two groups of limiting frames 12 are respectively fixedly connected to the outer sides of the supercharger housing 2 and the top housing 3; there are two groups of fastening nuts 13, and the two groups The fastening nuts 13 are respectively slidably connected to the inner sides of the two groups of limit frames 12, and the two groups of fastening nuts 13 are respectively threadedly connected to the two groups of threaded shafts 8; there are two groups of limit blocks 14, and the two groups of limit blocks 14 are respectively slidably connected to the inner sides of the two groups of square shafts 701, and the limit blocks 14 are inserted into the inner sides of the limit grooves 1101; there are two groups of limit springs 15, and one ends of the two groups of limit springs 15 are respectively fixedly connected to the outer sides of the two groups of limit blocks 14, and the other ends of the two groups of limit springs 15 are respectively fixedly connected to the inner sides of the two groups of square shafts 701; there are two groups of insertion rods 16, and the two groups of insertion rods 16 are respectively slidably connected to the inner sides of the two groups of rotating shafts 7; there are two groups of fixed blocks 1601, and the two groups of fixed blocks 1601 are respectively fixedly connected to the outer sides of the two groups of insertion rods 16.

[0031] The specific usage and function of this embodiment are as follows: when the operating member 11 is slidably connected to the outside of the two square shafts 701 at the same time, the operating member 11 is rotated, and the operating member 11 will drive the two rotating shafts 7 to rotate through the square shafts 701. The rotation of the rotating shaft 7 will drive the threaded shaft 8 to rotate, so that the threaded shaft 8 is tightened or loosened under the action of the threaded connection with the fastening nut 13. When it is necessary to rotate a single rotating shaft 7, the corresponding fixing block 1601 can be moved to make the insertion rod 16 inserted into the inner side of the limiting plug block 14. At this time, the limiting plug block 14 will be disengaged from the limiting groove 1101, and the operating member 11 can be slid to the outside of the corresponding square shaft 701. At this time, the rotating operating member 11 can drive the single rotating shaft 7 to rotate.

[0032] In this article, there are a few points to note:

[0033] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0034] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0035] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present disclosure can easily think of changes or substitutions, which should all be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. A booster device for a magnetic suspension fan, comprising a fan housing (1), a booster housing (2), a top housing (3), a drive shaft (4), fan blades (5), an adjustment ring (6), a rotating shaft (7), a threaded shaft (8), an adjustment mechanism and a disassembly mechanism; the booster housing (2) is mounted on the lower end surface of the fan housing (1); the top housing (3) is mounted on the upper end surface of the fan housing (1); two drive shafts (4) are provided, and the two drive shafts (4) are respectively mounted on the inner side of the fan housing (1) through magnetic suspension bearings; two fan blades (5) are provided, and the two fan blades (5) are respectively fixedly connected to the outer sides of the two drive shafts (4); the characteristics are: The adjusting ring (6) is rotatably connected to the lower end of the supercharging housing (2); the rotating shaft (7) is provided with two groups, and the two groups of rotating shafts (7) are rotatably connected to the inner side of the fan housing (1); the threaded shaft (8) is provided with two groups, and the two groups of threaded shafts (8) are respectively fixedly connected to the outer sides of the two groups of rotating shafts (7); the adjusting mechanism is arranged at the lower end of the supercharging housing (2); and the disassembly mechanism is arranged on the outer side of the fan housing (1).

2. A booster device for a magnetically suspended fan as claimed in claim 1, characterized in that: The adjustment mechanism comprises: an inclined groove (201), a fixed ring (9), an arc-shaped groove (901), an adjustment plate (10) and a fixed shaft (1001); a plurality of inclined grooves (201) are provided, and the plurality of inclined grooves (201) are all opened at the lower end of the supercharged housing (2); the fixed ring (9) is fixedly connected to the inner side of the adjustment ring (6); a plurality of arc-shaped grooves (901) are provided, and the plurality of arc-shaped grooves (901) are all opened at the inner side of the fixed ring (9); a plurality of adjustment plates (10) are provided, and the plurality of adjustment plates (10) are slidably connected to the inner side of the lower end of the supercharged housing (2); a plurality of fixed shafts (1001) are provided, and the plurality of fixed shafts (1001) are respectively fixedly connected to the inner sides of the plurality of adjustment plates (10), and the plurality of fixed shafts (1001) are respectively slidably connected to the inner sides of the plurality of inclined grooves (201) and the plurality of arc-shaped grooves (901).

3. The booster device of a magnetic levitation fan according to claim 1, characterized in that: The disassembly and assembly mechanism comprises: a square shaft (701) and an operating member (11); the square shaft (701) is provided in two groups, and the two groups of square shafts (701) are respectively fixedly connected to the outside of the two groups of rotating shafts (7); the operating member (11) is provided in plurality, and the plurality of operating members (11) are respectively slidably connected to the outside of the two groups of square shafts (701).

4. A booster device for a magnetically suspended fan as claimed in claim 3, characterized in that: The disassembly and assembly mechanism further comprises: a limit frame (12) and a fastening nut (13); the limit frame (12) is provided with two groups, and the two groups of limit frames (12) are respectively fixedly connected to the outer sides of the supercharger housing (2) and the top housing (3); the fastening nut (13) is provided with two groups, and the two groups of fastening nuts (13) are respectively slidably connected to the inner sides of the two groups of limit frames (12), and the two groups of fastening nuts (13) are respectively threadedly connected to the two groups of threaded shafts (8).

5. A booster device for a magnetically suspended fan as claimed in claim 4, characterized in that: The disassembly and assembly mechanism further comprises: a limiting groove (1101), a limiting plug (14) and a limiting spring (15); the limiting groove (1101) is provided with a plurality of groups, and the plurality of limiting grooves (1101) are respectively opened on the inner sides of the plurality of operating members (11); the limiting plug (14) is provided with two groups, and the two groups of limiting plug (14) are respectively slidably connected to the inner sides of the two groups of square shafts (701), and the limiting plug (14) is plugged into the inner sides of the limiting groove (1101); the limiting spring (15) is provided with two groups, and one end of the two groups of limiting spring (15) is respectively fixedly connected to the outer sides of the two groups of limiting plug (14), and the other end of the two groups of limiting spring (15) is respectively fixedly connected to the inner sides of the two groups of square shafts (701).

6. A booster device for a magnetically suspended fan as claimed in claim 5, characterized in that: The disassembly and assembly mechanism further comprises: an insertion rod (16) and a fixing block (1601); the insertion rod (16) is provided in two groups, and the two groups of insertion rods (16) are respectively slidably connected to the inner sides of the two groups of rotating shafts (7); the fixing block (1601) is provided in two groups, and the two groups of fixing blocks (1601) are respectively fixedly connected to the outer sides of the two groups of insertion rods (16).

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