CN217761433U - Centrifugal fan with efficient heat dissipation function - Google Patents

Abstract

The utility model discloses a high-efficient radiating centrifugal fan relates to fan equipment, when aiming at solving the installation impeller on the motor shaft of motor, need make impeller and motor shaft not produce relative movement through the fixed pin, and the process of installing and dismantling the fixed pin is both wasted time and energy. The key points of the technical scheme are as follows: seted up in the motor shaft and held the chamber, held the intracavity and seted up and worn the groove, two wear to be connected with two respectively in the groove and support the touch multitouch, are connected with the extruded article on the motor shaft, and the extruded article rotates with the triangle briquetting including propelling movement post and triangle briquetting to be connected. The utility model discloses when making the staff dismantle on the motor shaft and install the impeller, need not pass through the fixed pin, simplified the installation, because impeller and casing do not contradict and the motor shaft is located the casing center, air flow is fast again in the rotatory process of motor shaft, so the heat that produces is less and the heat dissipation is very fast.

Description

Centrifugal fan with efficient heat dissipation function

Technical Field

The utility model relates to a fan equipment, more specifically say, it relates to a high-efficient radiating centrifugal fan.

Background

The centrifugal fan accelerates gas by using an impeller rotating at a high speed according to the principle that kinetic energy is converted into potential energy, then decelerates and changes the flow direction so as to convert the kinetic energy into the potential energy, and the centrifugal fan is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion.

Current centrifugal fan includes casing, motor shaft, motor, impeller and air intake, and when installing the impeller on the motor shaft of motor, set up flutedly on the motor shaft, be equipped with the fixed pin on the recess, be equipped with the groove that holds the fixed pin on the impeller, will make impeller and motor shaft not produce relative movement through the fixed pin, wastes time and energy at the installation and the process of dismantling the fixed pin.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a high-efficient radiating centrifugal fan.

The above technical object of the present invention can be achieved by the following technical solutions: the utility model provides a high-efficient radiating centrifugal fan, includes impeller and motor shaft, it holds the chamber to have seted up in the motor shaft, it sets up the groove of wearing of two symmetries, two to hold intracavity lateral wall wear in the groove respectively sliding connection have two to the touch multitouch, swing joint has the extruded article in the embedding holding tank on the motor shaft, the extruded article is including can holding the propelling movement post and the triangle briquetting that remove in the chamber, propelling movement post one end is rotated with the triangle briquetting and is connected, two it is equipped with the resetting means who stimulates two touch multitouchs to the motor shaft center to support between the touch multitouch, two to support the touch multitouch and contradict with the both sides of triangle briquetting under the effect of resetting means pulling force, set up the recess that can inlay two touch multitouchs on the impeller.

Through adopting the above technical scheme, the staff is when the installation impeller, aim at the position of two conflict pieces of motor shaft with the recess of impeller, will impel the post and impel to the motor shaft is interior, impel the post and drive the triangle briquetting and remove, make the conflict piece under the effect of triangle briquetting pressure, support the recess tank bottom that corresponds tightly respectively, make the impeller fix on the motor shaft, the operation makes installation impeller process simple swift like this, at the in-process of dismantling the impeller, only need to impel the post to the outer roll-off of motor shaft, the conflict piece can be under resetting means's pulling force effect, make the conflict piece break away from the recess, can dismantle the impeller from the motor shaft fast and go out.

The utility model discloses further set up to: the motor shaft with impel post threaded connection, just impel the post and run through the motor shaft terminal surface to holding the intracavity, impel the post and keep away from and seted up interior hexagonal hole on the terminal surface of contact block.

Through adopting above-mentioned technical scheme, the motor shaft adopts threaded connection and has seted up interior hexagonal hole on the propulsion post with the propulsion post, and hexagonal spanner will impel the post to screw up in the motor shaft when operating personnel's accessible, and the triangle briquetting is supported tightly fixed by the conflict piece, and propulsion post and triangle briquetting rotate relatively, impel the post to promote two conflict pieces of triangle briquetting extrusion, and two conflict pieces support tightly and correspond the recess for the adjustment promotes the swift laborsaving in position of post.

The utility model discloses further set up to: the reset device comprises a plurality of extension springs, two ends of each extension spring are fixedly connected to the two contact blocks respectively, and the extension springs are symmetrically distributed on two sides of the triangular pressing block.

Through adopting above-mentioned technical scheme, under extension spring elastic force's effect, two are supported touch multitouch and triangle briquetting and are supported tightly, can restrict the rotation of triangle briquetting, and extension spring distributes in triangle briquetting both sides, makes extension spring not influence the removal of triangle briquetting, and extension spring installs simple and conveniently.

The utility model discloses further set up to: the propelling column is close to the fixedly connected with spacing ring of triangle briquetting one end, the periphery wall of spacing ring is contradicted and is held the intracavity periphery wall.

Through adopting above-mentioned technical scheme, remove certain limit when advancing the post and to holding the chamber outer removal, the spacing ring can conflict and hold the inner terminal surface in chamber, and the restriction is advanced the post roll-off, also enables the contact block and conflicts the triangle briquetting all the time under resetting means's pulling force effect, makes the triangle briquetting keep turned angle.

The utility model discloses further set up to: the impeller is detachably connected with a fixing piece, a regular hexagon caulking groove is formed in the end face of the motor shaft, and a regular hexagon insert block embedded into the regular hexagon caulking groove is fixedly connected to the fixing piece.

Through adopting above-mentioned technical scheme, the cooperation of regular hexagon caulking groove and regular hexagon abaculus makes motor shaft and mounting keep relatively fixed, and mounting and impeller relatively fixed set up the mounting and have strengthened the joint strength of impeller and motor shaft, play dustproof effect.

The utility model discloses further set up to: the utility model discloses a fan blade wheel, including mounting, embedding strip, lug, impeller, lug and embedding strip, mounting fixedly connected with a plurality of embedding strips, the equal fixedly connected with lug in embedding strip both sides, a plurality of embedded grooves have been seted up on the impeller, the lug is with embedding strip embedding embedded groove, the lug is contradicted the embedded groove inner wall.

Through adopting above-mentioned technical scheme, when embedding strip and lug embedding embedded groove, the embedded groove takes place deformation for embedding strip and lug embedding embedded groove, when the embedded groove takes place to restore, the lug contradicts the embedded groove inner wall, makes the mounting relative fixation on the impeller, dismantles the process opposite with above-mentioned process, and the operation makes the process simple and convenient of dismantling and fixed mounting like this.

The utility model discloses further set up to: wear groove inner wall fixedly connected with rubber membrane, the rubber membrane is contradicted and is resisted the lateral wall of touch multitouch.

Through adopting above-mentioned technical scheme, the rubber membrane is contradicted the lateral wall of touch multitouch and is improved sealed effect, can play dirt-proof effect.

The utility model discloses further set up to: the fixing piece is fixedly connected with a handle.

Through adopting above-mentioned technical scheme, operating personnel can dismantle the mounting through the handle, makes the laborsaving swift of dismantlement process.

To sum up, the utility model discloses following beneficial effect has: the staff is when the installation impeller, aim at the position of two contact blocks of motor shaft with the recess of impeller, to impel the post to the motor shaft is interior, impel the post to drive the triangle briquetting and remove, make the contact block under the effect of triangle briquetting pressure, support the groove bottom of tight correspondence respectively, make the impeller fix on the motor shaft, the operation makes installation impeller process simple swift like this, at the in-process of dismantling the impeller, only need to impel the outside roll-off of post to the motor shaft, the conflict piece can be under resetting means's pulling force effect, make the conflict piece break away from the recess, can dismantle the impeller from the motor shaft fast and go out.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic structural view of the fixing member of the present invention;

fig. 5 is a schematic structural view of the impeller and the motor shaft of the present invention;

fig. 6 is a partial cross-sectional view of the present invention;

fig. 7 is an enlarged view of the portion B in fig. 6.

In the figure: 1. an impeller; 2. a motor shaft; 3. an accommodating chamber; 4. penetrating a groove; 5. a contact block; 6. an extrusion; 7. advancing the column; 8. a triangular pressing block; 9. a resetting device; 10. a groove; 11. an inner hexagonal hole; 12. an extension spring; 13. a limiting ring; 14. a fixing member; 15. a regular hexagon caulking groove; 16. a regular hexagonal insert; 17. embedding the strip; 18. a bump; 19. a groove is embedded; 20. a rubber film; 21. a handle.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

The utility model provides a high-efficient radiating centrifugal fan, as fig. 2, fig. 3, fig. 6 and fig. 7 are shown, including impeller 1, motor shaft 2 and casing, it holds chamber 3 to have seted up in motor shaft 2, hold the 3 inside walls in chamber and set up the groove 4 of wearing of two symmetries, wear 4 inner walls bonding of groove has rubber membrane 20, rubber membrane 20 conflicts the lateral wall of conflict piece 5, two sliding connection respectively have two conflict pieces 5 in wearing groove 4, swing joint has the embedding to hold the extruded article 6 in chamber 3 on motor shaft 2, extruded article 6 is including can be holding propelling column 7 and triangle briquetting 8 that removes in chamber 3, motor shaft 2 and propelling column 7 threaded connection, and propelling column 7 runs through motor shaft 2 terminal surface to holding chamber 3 in, propelling column 7 is kept away from and is seted up interior hexagonal hole 11 on the terminal surface of conflict piece 5, propelling column 7 one end is connected with triangle briquetting 8 rotation, propelling column 7 has spacing ring 13 near the welding of triangle briquetting 8 one end, the conflict periphery wall of propelling column 13, it supports the conflict wall in chamber 3 to be equipped with two conflict pieces 5 between two conflict pieces 5 to be equipped with the central pulling of two triangle briquetting 5, the effect of drawing spring 12 on the fixing base of two triangle briquetting 9 and two stretching device 12 stretching spring fixing bases of two sides respectively, the two spring 5, the effect of stretching device of stretching of two spring 5, the two sides of pushing block 5.

As shown in fig. 3-5, the impeller 1 is detachably connected with a fixing member 14, the fixing member 14 is integrally formed with a plurality of embedding strips 17, the two sides of each embedding strip 17 are bonded with a convex block 18, the impeller 1 is provided with a plurality of embedding grooves 19, the convex blocks 18 and the embedding strips 17 are embedded into the embedding grooves 19, the convex blocks 18 abut against the inner walls of the embedding grooves 19, the end face of the motor shaft 2 is provided with a regular hexagonal embedding groove 15, the fixing member 14 is integrally formed with a regular hexagonal embedding block 16 embedded into the regular hexagonal embedding groove 15, and the fixing member 14 is integrally formed with a handle 21.

As shown in figures 1-2, the motor shaft 2 is located in the center of the side face of the shell, the impeller 1 is detachably connected to the motor shaft 2, and when the impeller 1 is installed on the motor shaft 2 to rotate, the impeller 1 and the periphery of the shell are not touched.

During the working process, when the impeller 1 needs to be installed, the groove 10 of the impeller 1 is aligned to the positions of two abutting blocks 5 of a motor shaft 2, the motor shaft 2 is in threaded connection with a pushing column 7, an inner hexagonal hole 11 is formed in the pushing column 7, an operator can screw the pushing column 7 into the motor shaft 2 through an inner hexagonal wrench, the stretching springs 12 are distributed on two sides of a triangular pressing block 8, the stretching springs 12 do not influence the movement of the triangular pressing block 8, the two abutting blocks 5 abut against the triangular pressing block 8 under the action of the elastic force of the stretching springs 12, the triangular pressing block 8 is fixed by the abutting blocks 5 in the abutting angle, the pushing column 7 and the triangular pressing block 8 rotate relatively, the pushing column 7 pushes the triangular pressing block 8 to extrude the two abutting blocks 5, the two abutting blocks 5 abut against the bottom surface of the groove 10, so that the position of the pushing column is adjusted quickly and labor-saving, the impeller 1 is fixed on the motor shaft 2, when the fixing piece 14 is installed, the hexagonal fixing piece 17 and the fixing piece 18 are embedded into the embedded groove 19, the fixing piece 14 is fixed on the motor shaft 2, the fixing piece 14, the fixing piece is kept embedded into the groove 14, and the fixing piece is kept fixed relatively.

Under user state at ordinary times, wear 4 inner walls fixedly connected with rubber membrane 20 in groove, rubber membrane 20 contradicts the lateral wall of touch multitouch 5, and rubber membrane 20 contradicts the lateral wall of touch multitouch 5 and improves sealed effect, can play dirt-proof effect.

When an operator needs to disassemble the impeller 1, the fixing part 14 is disassembled firstly, the operator can pull the embedding strip 17 and the lug 18 outwards towards the embedding groove 19 through the handle 21, so that the disassembling process is labor-saving and rapid, the embedding groove 19 deforms, the embedding strip 17 and the lug 18 are separated from the embedding groove 19, the fixing part 14 is separated from the impeller 1 to drive the regular hexagon embedding block 16 on the fixing part 14 to be separated from the regular hexagon embedding groove 15 on the motor shaft 2, so that the fixing part 14 is disassembled, the operator can push the pushing column 7 to be screwed outwards towards the motor shaft 2 through the hexagon socket wrench, the pushing column drives the triangle pressing block 8 to move outwards, the two abutting blocks 5 are separated from the two grooves 10 through the tensile force of the tension spring 12, when the fixing part moves to a certain limit, the limiting ring 13 can abut against the inner end face of the accommodating cavity 3, the pushing column 7 is limited to slide out, the abutting blocks 5 can also be enabled to always abut against the triangle pressing block 8 under the tensile force of the reset device 9, the abutting triangle pressing block 8 keeps a rotating angle, the two abutting blocks 5 are separated from the grooves 10, so that the impeller 1 can be taken out, the whole disassembling and the impeller 1 can be conveniently without the matching with the fixing pin of the impeller 1 in the assembling process.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (8)

1. The utility model provides a high-efficient radiating centrifugal fan, includes impeller (1) and motor shaft (2), its characterized in that: seted up in motor shaft (2) and held chamber (3), hold chamber (3) inside wall and set up wearing groove (4) of two symmetries, two wear in groove (4) respectively sliding connection have two to touch multitouch (5), swing joint has extruded article (6) of embedding in holding chamber (3) on motor shaft (2), extruded article (6) are including can be holding propelling column (7) and triangle briquetting (8) that move in chamber (3), propelling column (7) one end is rotated with triangle briquetting (8) and is connected, two it is equipped with between touch multitouch (5) with two to touch multitouch (5) to resetting means (9) of motor shaft (2) central pulling, two to touch multitouch (5) contradict with the both sides of triangle briquetting (8) under the effect of resetting means (9) pulling force, set up recess (10) that can inlay into two touch multitouch (5) on impeller (1).

2. The centrifugal fan with high-efficiency heat dissipation according to claim 1, characterized in that: motor shaft (2) and propulsion post (7) threaded connection, just propulsion post (7) run through motor shaft (2) terminal surface to holding in chamber (3), hexagonal hole (11) have been seted up in the terminal surface of keeping away from contact block (5) in propulsion post (7).

3. The centrifugal fan with high-efficiency heat dissipation according to claim 1, characterized in that: resetting means (9) include a plurality of extension spring (12), and is a plurality of extension spring (12) both ends are fixed connection respectively on two contact blocks (5), and is a plurality of extension spring (12) symmetric distribution is in triangle briquetting (8) both sides.

4. The centrifugal fan with high-efficiency heat dissipation according to claim 1, characterized in that: the propelling column (7) is close to fixedly connected with spacing ring (13) of triangle briquetting (8) one end, the periphery wall conflict of spacing ring (13) holds chamber (3) internal perisporium.

5. The centrifugal fan with high-efficiency heat dissipation according to claim 1, characterized in that: the impeller is characterized in that a fixing part (14) is detachably connected to the impeller (1), a regular hexagon caulking groove (15) is formed in the end face of the motor shaft (2), and a regular hexagon insert block (16) embedded into the regular hexagon caulking groove (15) is fixedly connected to the center of the impeller (1).

6. The centrifugal fan with high-efficiency heat dissipation according to claim 5, characterized in that: fixing piece (14) a plurality of embedding strip (17) of fixedly connected with, the equal fixedly connected with lug (18) in embedding strip (17) both sides, a plurality of embedded grooves (19) have been seted up on impeller (1), lug (18) and embedding strip (17) embedding embedded groove (19), lug (18) conflict embedded groove (19) inner wall.

7. The centrifugal fan with high-efficiency heat dissipation according to claim 1, characterized in that: the inner wall of the through groove (4) is fixedly connected with a rubber film (20), and the rubber film (20) is abutted against the side wall of the abutting block (5).

8. The centrifugal fan with high-efficiency heat dissipation according to claim 5, characterized in that: the fixing piece (14) is fixedly connected with a handle (21).

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