CN214945243U

CN214945243U - Split type centrifugal fan axle

Info

Publication number: CN214945243U
Application number: CN202121665113.5U
Authority: CN
Inventors: 周鹏; 周湘宁; 范振兴
Original assignee: Guangdong Yuexin Technology Co ltd
Current assignee: Guangdong Yuexin Technology Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2021-11-30
Anticipated expiration: 2031-07-21

Abstract

The utility model belongs to the technical field of centrifugal fan, especially, split type centrifugal fan axle, it is comparatively simple to current device structure, can not change the problem that different model impellers used as required, the scheme as follows now proposes, including the fixed axle, the one end center department of fixed axle installs and cup joints the subassembly, and the fixed axle is close to the one end of cup jointing the subassembly and is provided with the centrifugal shaft, and the outer wall of centrifugal shaft encircles and is provided with the blade, and one side that the fixed axle was kept away from to the centrifugal shaft is provided with the extrusion ring, and one side that the centrifugal shaft was kept away from to the extrusion ring is provided with around the spring, and the one end that the subassembly is close to around the spring is connected with solid fixed ring, and the outer wall that just encircles the spring is to encircle and is provided with a plurality of dead levers, and the one end that the subassembly is close to solid fixed ring is provided with the cowling cap, and solid fixed ring's outer wall is encircleed and is provided with the safety cover. The utility model has the advantages of the atress evenly reduces the wearing and tearing gap when different impeller installation, rotation are changed in adjustment that can be convenient, reduces and rocks the remain stable.

Description

Split type centrifugal fan axle

Technical Field

The utility model relates to a centrifugal fan technical field especially relates to a split type centrifugal fan axle.

Background

The centrifugal fan is based on the principle of converting kinetic energy into potential energy, and utilizes the high-speed rotating impeller to accelerate gas, then decelerate and change flow direction to convert kinetic energy into potential energy.

The traditional centrifugal fan is simple in structure, a fan shaft is integrated in the using process, once a fan blade fails, the fan blade cannot be replaced and detached in time, and one shaft shape of the fan blade can be only used for a fan impeller corresponding to a certain type and cannot be used for replacing impellers of different types according to the needs of users

SUMMERY OF THE UTILITY MODEL

The utility model provides a split type centrifugal fan axle has solved traditional device structure comparatively simple, can not change the problem that different model impellers used as required.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a split type centrifugal fan axle, which comprises a fixed shaft, the one end center department of fixed axle installs and cup joints the subassembly, the fixed axle is close to the one end of cup jointing the subassembly and is provided with the centrifugal shaft, the outer wall of centrifugal shaft encircles and is provided with the blade, one side that the fixed axle was kept away from to the centrifugal shaft of centrifugal shaft is provided with the extrusion ring, one side that the extrusion ring kept away from the centrifugal shaft is provided with and encircles the spring, the one end that the subassembly is close to around the spring is connected with solid fixed ring, and the outer wall that encircles the spring is and encircles and be provided with a plurality of dead levers, the one end that the subassembly is close to solid fixed ring is provided with the fairing cap, gu fixed ring's outer wall is to encircle and is provided with the safety cover, the fixed axle is close to the inside thread groove of having seted up of one end of cup jointing the subassembly, the one end lateral wall that the fixed axle is close to the centrifugal shaft is and encircles and is provided with a plurality of extrusion pieces.

Preferably, the sleeving component comprises a sleeving rod, a clamping groove and surrounding threads, the sleeving rod is arranged on the outer wall of the sleeving rod in a surrounding mode, and the surrounding threads are arranged on the outer wall of one end, far away from the fixed shaft, of the sleeving rod in a surrounding mode.

Preferably, the surrounding thread is connected with the fixing ring through threads, and the interior of the rectifying cap is rotationally connected with the surrounding thread through the rotating ring.

Preferably, the clamping groove is connected with the center of the centrifugal shaft in a sliding mode, the inner wall of the center of the centrifugal shaft is provided with a clamping block corresponding to the clamping groove, the threaded groove is internally and rotatably connected with a threaded column, and the threaded column is fixedly connected with the sleeve rod.

Preferably, the extrusion piece is trapezoidal slope form, and the extrusion piece is close to the one end lateral wall of centrifugal axle and inclines to inside center, and the spread groove that corresponds each other with the extrusion piece is seted up to the lateral wall of centrifugal axle, and the edge of spread groove closely laminates with the lateral wall of extrusion piece.

Preferably, the dead lever runs through extrusion ring and solid fixed ring's lateral wall respectively and is connected with centrifugal shaft rotation, and the dead lever is close to the one end outer wall of centrifugal shaft and is provided with the spiral line, and the lateral wall of centrifugal shaft is and encircles and has seted up a plurality of fixed slots, and the dead lever passes through the spiral line and is connected fixedly with the fixed slot.

Preferably, encircle the spring and be and encircle and set up in the outer wall that cup joints the subassembly, and encircle the both ends of spring and rotate through bearing and extrusion ring and solid fixed ring respectively and be connected, extrusion ring and solid fixed ring's lateral wall is inside all seted up with the gliding through hole of dead lever mutual correspondence.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when needs are changed, can be through rotating the fairing cap, make the swivel becket remove and encircle the screw rotation, and then can take off safety cover and fairing cap, make the one end and the fixed slot alternate segregation of dead lever, thereby remove the fixed to solid fixed ring, at this moment just can rotate solid fixed ring, make solid fixed ring no longer to encircleing the spring extrusion, thereby encircle the spring and also remove the pressure to the extrusion ring, make the centrifugal shaft remove fixedly, thereby change unidimensional centrifugal shaft that can be convenient, can reverse rotation solid fixed ring and dead lever make the centrifugal shaft fixed again, the convenient change, adjust the impeller that is suitable for different model sizes according to user's needs.

2. The fixed axle is rotatory through the drive of drive motor power, make the extrusion piece follow the rotation, the fixed axle can drive inside screw thread post through the thread groove and remove, simultaneously can be under extrusion ring's effect spread groove inseparable with the extrusion piece joint, prevent to appear the gap because wearing and tearing, and then make the screw thread post drive cup joint the subassembly rotatory, because the inside center and the mutual sliding connection of draw-in groove of centrifugal axle, the dead lever drives the fixed slot rotation, make the centrifugal axle rotate, be connected through a plurality of position and centrifugal axle, centrifugal axle atress is even when can making to rotate, and the extrusion is connected inseparably, effectually prevent that the centrifugal axle is not hard up, it remains stable to reduce to rock.

Drawings

Fig. 1 is a schematic view of a split centrifugal fan shaft according to the present invention;

fig. 2 is a schematic view of an internal structure of a split type centrifugal fan shaft protection cover provided by the present invention;

fig. 3 is a schematic structural view of a joint between a shaft sleeve assembly and a centrifugal shaft of a split centrifugal fan according to the present invention;

fig. 4 is the utility model provides a split type centrifugal fan axle sleeve joint subassembly inner structure schematic diagram.

In the figure: 1. a fixed shaft; 2. a socket component; 201. a sleeved rod; 202. a card slot; 203. a surrounding thread; 3. a centrifugal shaft; 301. a blade; 4. an extrusion ring; 5. a wrap spring; 6. a fixing ring; 7. a rectifying cap; 701. a rotating ring; 8. fixing the rod; 9. a protective cover; 10. a thread groove; 101. a threaded post; 11. extruding the block; 12. connecting grooves; 13. a helical pattern; 14. and fixing the grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-4, a split type centrifugal fan shaft comprises a fixed shaft 1, a sleeve component 2 is installed at the center of one end of the fixed shaft 1, a centrifugal shaft 3 is arranged at one end of the fixed shaft 1 close to the sleeve component 2, blades 301 are arranged around the outer wall of the centrifugal shaft 3, a squeezing ring 4 is arranged at one side of the centrifugal shaft 3 far from the fixed shaft 1, a surrounding spring 5 is arranged at one side of the squeezing ring 4 far from the centrifugal shaft 3, a fixing ring 6 is connected at one end of the sleeve component 2 close to the surrounding spring 5, and the outer wall that encircles spring 5 is to encircle and be provided with a plurality of dead levers 8, and the one end that cup joints subassembly 2 and is close to solid fixed ring 6 is provided with fairing 7, and the outer wall of solid fixed ring 6 is to encircle and be provided with safety cover 9, and fixed axle 1 is close to the inside thread groove 10 of having seted up of one end of cup jointing subassembly 2, and fixed axle 1 is close to the one end lateral wall of centrifugal shaft 3 and is to encircle and be provided with a plurality of extrusion pieces 11.

Further, in above-mentioned technical scheme, cup joint subassembly 2 includes that cup joint pole 201, draw-in groove 202 and encircle screw 203, and the outer wall of cup joint pole 201 encircles and has seted up cup joint pole 201, and cup joint pole 201 keeps away from the one end outer wall of fixed axle 1 and encircles and be provided with around screw 203.

Further, in the above technical solution, the surrounding thread 203 is connected with the fixing ring 6 by a thread, and the inside of the rectifying cap 7 is connected with the surrounding thread 203 by the rotating ring 701 in a mutual rotating manner, so that the rotating ring 701 is released from rotating with the surrounding thread 203 by rotating the rectifying cap 7, and the protective cover 9 and the rectifying cap 7 can be taken down.

Further, in the above technical solution, the clamping groove 202 is slidably connected to the center of the centrifugal shaft 3, the inner wall of the center of the centrifugal shaft 3 is provided with a clamping block corresponding to the clamping groove 202, the threaded stud 101 is rotatably connected to the inside of the threaded groove 10, the threaded stud 101 is fixedly connected to the sleeve connecting rod 201, and the fixing shaft 1 can drive the threaded stud 101 to move through the threaded groove 10, so that the threaded stud 101 drives the sleeve connecting component 2 to rotate.

Further, in above-mentioned technical scheme, extrusion piece 11 is trapezoidal slope form, and extrusion piece 11 is close to the one end lateral wall of centrifugal shaft 3 and inclines to inside center, centrifugal shaft 3's lateral wall offer with extrusion piece 11 spread groove 12 that corresponds each other, and spread groove 12's edge closely laminates with extrusion piece 11's lateral wall, extrusion piece 11 is trapezoidal slope and spread groove 12 joint each other, can be simultaneously under extrusion ring 4's effect spread groove 12 closely with extrusion piece 11 joint, prevent to appear the gap because wearing and tearing.

Further, in above-mentioned technical scheme, dead lever 8 runs through the lateral wall that extrusion ring 4 and solid fixed ring 6 respectively and is connected with centrifugal shaft 3 rotation each other, dead lever 8 is close to the one end outer wall of centrifugal shaft 3 and is provided with spiral line 13, and the lateral wall of centrifugal shaft 3 is and encircles and has seted up a plurality of fixed slots 14, dead lever 8 is connected fixedly through spiral line 13 and fixed slot 14, a plurality of dead levers 8 of rotation, and then make the one end of dead lever 8 and fixed slot 14 alternate segregation, thereby remove the fixed of centrifugal shaft 3 to solid fixed ring 6.

Further, among the above-mentioned technical scheme, it sets up in the outer wall that cup joints subassembly 2 to encircle spring 5 to be encircleing, and the both ends of encircleing spring 5 rotate through bearing and squeeze ring 4 and solid fixed ring 6 respectively and be connected, squeeze ring 4 and the inside gliding through-hole that corresponds each other of solid fixed ring 6's lateral wall has all been seted up with dead lever 8, can rotate solid fixed ring 6, make solid fixed ring 6 no longer to encircle spring 5 extrusion, thereby encircle spring 5 and also remove the pressure to squeeze ring 4, make centrifugal shaft 3 remove fixedly.

When the centrifugal shaft fixing device is used, the centrifugal shaft 3 can be rotated through the rotation of the fixing shaft 1 to drive the blades 301 to rotate, when the centrifugal shaft fixing device needs to be replaced, the rectifying cap 7 can be rotated to enable the rotating ring 701 to be removed from the rotating ring and rotate around the threads 203, the protective cover 9 and the rectifying cap 7 can be taken down, the fixing rods 8 can be rotated simultaneously, one ends of the fixing rods 8 are separated from the fixing grooves 14, the fixing ring 6 of the centrifugal shaft 3 is removed, the fixing ring 6 can be rotated at the moment, the fixing ring 6 is not extruded to the surrounding spring 5, the pressure on the extrusion ring 4 is also removed by the surrounding spring 5, the centrifugal shaft 3 is removed from the fixing ring, the centrifugal shaft 3 is moved along the clamping groove 202, the connecting groove 12 is separated from the extrusion block 11, the centrifugal shafts 3 with different sizes can be replaced conveniently, the fixing ring 6 and the fixing rods 8 can be rotated reversely to enable the centrifugal shaft 3 to be fixed again, the replacement is convenient, the impeller is adjusted to be suitable for impellers of different models and sizes according to the needs of users, in the using process, the extrusion block 11 is in a trapezoidal slope and is clamped with the connecting groove 12, meanwhile, the connecting groove 12 can be tightly clamped with the extrusion block 11 under the action of the extrusion ring 4, the phenomenon that a gap appears due to abrasion is prevented, the fixed shaft 1 can drive the internal threaded column 101 to move through the threaded groove 10, further the threaded column 101 drives the socket component 2 to rotate, the centrifugal shaft 3 can be driven to rotate through the clamping groove 202 due to the mutual sliding connection between the internal center of the centrifugal shaft 3 and the clamping groove 202, further the centrifugal shaft 3 can be driven to rotate through the clamping groove 202, further, the fixed ring 6 is connected with the centrifugal shaft 3 through the fixed rod 8, further the socket component 2 can drive the fixed groove 14 to rotate through the fixed rod 8, the centrifugal shaft 3 can rotate, and is connected with the centrifugal shaft 3 through a plurality of directions, can make centrifugal shaft 3 atress even when rotating to the extrusion is connected closely, and the effectual centrifugal shaft 3 that prevents is not hard up, and the reduction is rocked and is kept stable.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A split type centrifugal fan shaft comprises a fixed shaft (1) and is characterized in that a sleeve component (2) is installed at the center of one end of the fixed shaft (1), a centrifugal shaft (3) is arranged at one end, close to the sleeve component (2), of the fixed shaft (1), blades (301) are arranged on the outer wall of the centrifugal shaft (3) in a surrounding mode, an extrusion ring (4) is arranged on one side, away from the fixed shaft (1), of the centrifugal shaft (3), a surrounding spring (5) is arranged on one side, away from the centrifugal shaft (3), of the extrusion ring (4), a fixing ring (6) is connected to one end, close to the surrounding spring (5), of the sleeve component (2), a plurality of fixing rods (8) are arranged on the outer wall of the surrounding spring (5) in a surrounding mode, a rectifying cap (7) is arranged at one end, close to the fixing ring (6), of the sleeve component (2), a protective cover (9) is arranged on the outer wall of the fixing ring (6) in a surrounding mode, a thread groove (10) is formed in one end, close to the sleeving component (2), of the fixed shaft (1), and a plurality of extrusion blocks (11) are arranged on the side wall, close to the centrifugal shaft (3), of one end of the fixed shaft (1) in a surrounding mode.

2. The split centrifugal fan shaft according to claim 1, wherein the sleeve component (2) comprises a sleeve rod (201), a clamping groove (202) and a surrounding thread (203), the outer wall of the sleeve rod (201) surrounds the sleeve rod (201), and the surrounding thread (203) is arranged on the outer wall of one end, away from the fixed shaft (1), of the sleeve rod (201).

3. Split-type centrifugal fan shaft according to claim 2, wherein the encircling thread (203) is screwed to the fixing ring (6) and the interior of the fairing cap (7) is rotationally connected to the encircling thread (203) by means of a rotating ring (701).

4. The split type centrifugal fan shaft according to claim 2, wherein the clamping groove (202) is slidably connected with the center of the centrifugal shaft (3), the clamping block corresponding to the clamping groove (202) is arranged on the inner wall of the center of the centrifugal shaft (3), the threaded column (101) is rotatably connected inside the threaded groove (10), and the threaded column (101) is fixedly connected with the sleeve rod (201).

5. The split type centrifugal fan shaft according to claim 1, wherein the extrusion block (11) is in a trapezoidal inclined shape, a side wall of one end of the extrusion block (11) close to the centrifugal shaft (3) is inclined toward an inner center, a connecting groove (12) corresponding to the extrusion block (11) is formed in the side wall of the centrifugal shaft (3), and an edge of the connecting groove (12) is tightly attached to the side wall of the extrusion block (11).

6. The split type centrifugal fan shaft as claimed in claim 1, wherein the fixing rod (8) penetrates through the side walls of the extrusion ring (4) and the fixing ring (6) respectively to be rotatably connected with the centrifugal shaft (3), the fixing rod (8) is provided with a spiral line (13) on the outer wall of one end close to the centrifugal shaft (3), the side wall of the centrifugal shaft (3) is provided with a plurality of fixing grooves (14) in a surrounding manner, and the fixing rod (8) is connected and fixed with the fixing grooves (14) through the spiral line (13).

7. The split type centrifugal fan shaft according to claim 1, wherein the surrounding spring (5) is arranged around the outer wall of the sleeve component (2), two ends of the surrounding spring (5) are respectively rotatably connected with the extrusion ring (4) and the fixing ring (6) through bearings, and through holes which slide corresponding to the fixing rods (8) are formed in the side walls of the extrusion ring (4) and the fixing ring (6).