CN211009205U

CN211009205U - High-efficiency direct type fan

Info

Publication number: CN211009205U
Application number: CN201921927001.5U
Authority: CN
Inventors: 刘正东; 夏恒彬
Original assignee: Jiangsu Hengkang Electrical Co ltd
Current assignee: Jiangsu Hengkang Electrical Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-07-14
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses a high efficiency direct type fan, including spiral case, maintenance panel, support and impeller mechanism, one side of support is fixed with the spiral case, and one side of spiral case is provided with the air intake, the motor is installed on the top of support, the inside of support is provided with impeller mechanism, and impeller mechanism's central position department is provided with the shaft hole, the output of motor is connected through pivot and shaft hole, impeller mechanism's central position department is provided with the reservation tank, and the inside of reservation tank is provided with damper, the maintenance panel evenly is connected with the screw through the locking bolt, the outside of spiral case evenly is provided with the strengthening rib. The utility model discloses an install support, motor, spiral case, impeller mechanism and maintenance panel, the output of motor is connected with impeller mechanism through the pivot, compact structure, and impeller mechanism can be directly opened along with the motor, and work efficiency is higher.

Description

High-efficiency direct type fan

Technical Field

The utility model relates to a fan technical field specifically is a high efficiency direct type fan.

Background

The fan is a machine which increases gas pressure and discharges gas by means of input mechanical energy, and is a driven fluid machine, generally speaking, the fan comprises a ventilator, a blower, a wind driven generator and the like, although the types of the fan are more, most of the fans have single function, and partial problems exist, specifically, the following are included;

1. the existing fan has lower working efficiency, and after long-time use, the impeller is stained with paint, powder and other sundries, which is inconvenient to clean;

2. the thickness of the blade of the impeller mechanism of the device is too thin, the root of the blade is easy to break, the power of the blade is reduced by a part of thicker blades, the use is inconvenient, and the device is easy to generate noise during operation;

3. the device has no damping function, poor stability and poor heat dissipation, and the volute has low structural strength and is easy to damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high efficiency direct type fan to solve the current fan work efficiency who proposes among the above-mentioned background art lower, be not convenient for clear up inside impeller mechanism, blade intensity is lower, the shock attenuation effect is relatively poor, produce the problem that noise and spiral case damaged easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high efficiency direct type fan, includes spiral case, maintenance panel, support and impeller mechanism, one side of support is fixed with the spiral case, and one side of spiral case is provided with the air intake, the motor is installed on the top of support, the inside of support is provided with impeller mechanism, and impeller mechanism's central point department of putting is provided with the shaft hole, the output of motor is connected with the shaft hole through the pivot, impeller mechanism's central point department of putting is provided with the reservation groove, and the inside of reservation groove is provided with damper, the opposite side of spiral case evenly is provided with the screw, and the opposite side of spiral case installs the maintenance panel, the maintenance panel evenly is connected with the screw through locking bolt, the outside of spiral case evenly is provided with the strengthening rib.

Preferably, the volute on one side of the screw hole is provided with a clamping block, one side of the maintenance panel close to the volute is uniformly provided with a clamping groove matched with the clamping block, and the volutes on two sides of the clamping block are fixed with sealing gaskets.

Preferably, the longitudinal section of the support is of an H-shaped structure, and fixing bolts are uniformly arranged at the edge of the bottom of the support.

Preferably, the impeller mechanism comprises blades, reinforcing pieces, concave-convex units and a shaft hole, wherein the reinforcing pieces are fixed at one ends of the blades close to the shaft hole, and the concave-convex units are uniformly arranged on the blades.

Preferably, the damping mechanism comprises damping springs and heat dissipation fins, the damping springs are evenly arranged inside the reserved groove, the heat dissipation fins are arranged between the damping springs, and the number of the damping springs and the number of the heat dissipation fins are four.

Preferably, the included angles between the damping springs are 90 degrees, and the heat dissipation fins are obliquely arranged along the inner side wall of the reserved groove.

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

(1) this high efficiency direct type fan is through installing the support, a motor, the spiral case, impeller mechanism and maintenance panel, the output of motor is connected with impeller mechanism through the pivot, compact structure, and impeller mechanism can directly open along with the motor, work efficiency is higher, simultaneously one side at the spiral case evenly is provided with the screw, evenly be provided with the preformed hole with screw assorted on the maintenance panel, the preformed hole passes through fixing bolt with the screw and is connected, can demolish the maintenance panel when not using and carry out clearance or the maintenance of inside impeller mechanism, be provided with the fixture block on the spiral case of screw one side, one side that the maintenance panel is close to the spiral case evenly is provided with the draw-in groove with fixture block assorted, all be fixed with sealed the pad on the spiral case of fixture block both sides, make the maintenance panel more firm with the junction of spiral case when installing, be difficult to become flexible.

(2) This direct formula fan of high efficiency is through installing impeller mechanism, the blade, the shaft hole, reinforcing plate and unsmooth unit, the centrifugal force that produces when reinforcing plate can be better counter impeller mechanism is rotatory, improve impeller mechanism's equilibrium, also avoided the air resistance because the blade is too thick to produce when preventing the blade fracture, the work efficiency of device has been improved, the unsmooth unit that sets up on the blade has increased the roughness on blade surface, make blade surface boundary layer convert the torrent boundary layer from the laminar flow more fast, because the torrent boundary layer has stronger anti-separation ability than the laminar flow boundary layer, therefore can reduce the frictional resistance of blade effectively, under the prerequisite that keeps the air output unchangeable, can reduce the rotational speed of device, reduce the device noise.

(3) This high efficiency direct type fan is through installing the reservation tank, the inside of reservation tank is provided with damper, damping spring and heat dissipation wing, damping spring's quantity sets up to four, and the contained angle between the damping spring is 90, be convenient for play absorbing effect when the device moves, evenly be provided with the heat dissipation wing between the damping spring, the heat dissipation wing sets up along the inside wall slope of reservation tank, make the great enhancement that the heat dispersion of device all obtained, in addition, evenly be provided with the strengthening rib in the outside of spiral case, can effectively improve the structural strength of spiral case, make it be difficult to damage.

Drawings

Fig. 1 is a rear view structure diagram of the present invention;

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

fig. 3 is a schematic front view of the cross-sectional structure of the present invention;

fig. 4 is a schematic view of the partial cross-sectional structure of the present invention.

In the figure: 1. fixing the bolt; 2. a volute; 3. an access panel; 4. locking the bolt; 5. a screw hole; 6. A motor; 7. a support; 8. an air inlet; 9. reinforcing ribs; 10. an impeller mechanism; 1001. a shaft hole; 1002. A blade; 1003. a reinforcing sheet; 1004. a concave-convex unit; 11. a damping mechanism; 1101. a damping spring; 1102. heat dissipation fins; 12. reserving a groove; 13. a gasket; 14. and (7) clamping blocks.

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. 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.

Referring to fig. 1-4, the present invention provides an embodiment: a high-efficiency direct type fan comprises a volute 2, an overhaul panel 3, a support 7 and an impeller mechanism 10, wherein the volute 2 is fixed on one side of the support 7, the longitudinal section of the support 7 is of an H-shaped structure, fixing bolts 1 are uniformly arranged at the edge of the bottom of the support 7, the device is convenient to fixedly mount and dismount, the structural stability is high, an air inlet 8 is formed in one side of the volute 2, a motor 6 is mounted at the top end of the support 7, the type of the motor 6 can be Y90S-2, the impeller mechanism 10 is arranged inside the support 7, the impeller mechanism 10 comprises blades 1002, reinforcing plates 1003, concave-convex units 1004 and shaft holes 1001, reinforcing plates 1003 are fixed at one ends of the blades 1002 close to the shaft holes 1001, and concave-convex units 1004 are uniformly arranged on the blades 1002;

when the device is operated, the reinforcing sheet 1003 on the blade 1002 can better resist the centrifugal force generated when the impeller mechanism 10 rotates, the balance of the impeller mechanism 10 is improved, the blade 1002 is prevented from being broken, air resistance generated by over-thickness of the blade 1002 is avoided, the working efficiency of the device is improved, the roughness of the surface of the blade 1002 is increased by the concave-convex units 1004 on the blade 1002, so that the surface boundary layer of the blade 1002 is converted from laminar flow to turbulent flow more quickly, the turbulent flow boundary layer has stronger separation resistance than the laminar flow boundary layer, the friction resistance of the blade 1002 can be effectively reduced, the rotating speed of the device can be reduced and the noise can be reduced on the premise of keeping the air output unchanged;

and the central position of the impeller mechanism 10 is provided with a shaft hole 1001, the output end of the motor 6 is connected with the shaft hole 1001 through a rotating shaft, the central position of the impeller mechanism 10 is provided with a reserved groove 12, and the damping mechanism 11 is arranged in the preformed groove 12, the damping mechanism 11 comprises damping springs 1101 and radiating fins 1102, the damping springs 1101 are uniformly arranged in the preformed groove 12, the radiating fins 1102 are arranged between the damping springs 1101, the number of the damping springs 1101 and the number of the heat dissipation fins 1102 are respectively four, the included angles between the damping springs 1101 are all 90 degrees, the heat dissipation fins 1102 are obliquely arranged along the inner side wall of the preformed groove 12, so that the shock absorption and the heat dissipation performance of the device are greatly enhanced, the other side of the volute 2 is uniformly provided with screw holes 5, the other side of the volute 2 is provided with an overhauling panel 3, and the overhauling panel 3 is uniformly connected with a screw hole 5 through a locking bolt 4;

all be provided with fixture block 14 on the spiral case 2 of screw 5 one side, the maintenance panel 3 is close to spiral case 2 one side evenly be provided with fixture block 14 assorted draw-in groove, and all be fixed with sealed the pad 13 on the spiral case 2 of fixture block 14 both sides for maintenance panel 3 is more firm when installing with the junction of spiral case 2, is difficult to become flexible, and spiral case 2's the outside evenly is provided with strengthening rib 9.

The working principle is as follows: when the device is used, the device is fixedly arranged in a use area through the fixing bolt 1, the air outlet at the top of the volute 2 is connected with the device to be input, the power supply is connected, the output end of the motor 6 is connected with the shaft hole 1001 on the impeller mechanism 10 through the rotating shaft, the structure is compact, the impeller mechanism 10 can be directly opened along with the motor 6, the reinforcing blades 1003 on the blades 1002 can better resist the centrifugal force generated when the impeller mechanism 10 rotates when the device runs, the balance of the impeller mechanism 10 is improved, the air resistance generated by the over-thick blades 1002 is avoided while the blades 1002 are prevented from being broken, the working efficiency of the device is improved, the roughness of the surfaces of the blades 1002 is increased by the concave-convex units 1004 on the blades 1002, so that the boundary layer on the surfaces of the blades 1002 is converted into a turbulent boundary layer from a laminar layer more quickly, and the turbulent flow has stronger separation resistance compared with the laminar, under the precondition that the air output is kept unchanged, the rotating speed of the device can be reduced, the noise is reduced, the damping mechanism 11 is arranged inside the reserved groove 12, the damping springs 1101 in the damping mechanism 11 are convenient to play a damping role during the operation of the device, the radiating fins 1102 are uniformly arranged between the damping springs 1101, the radiating fins 1102 are obliquely arranged along the inner side wall of the reserved groove 12, the damping and radiating performance of the device are greatly enhanced, in addition, the reinforcing ribs 9 uniformly arranged on the outer side of the volute 2 can effectively improve the structural strength of the volute 2, the volute is not easy to damage, the maintenance panel 3 can be detached when the device is not used, and the inside cleaning and maintenance are carried out.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a high efficiency direct type fan, includes spiral case (2), access panel (3), support (7) and impeller mechanism (10), its characterized in that: a volute (2) is fixed on one side of the support (7), an air inlet (8) is arranged on one side of the volute (2), a motor (6) is arranged at the top end of the support (7), an impeller mechanism (10) is arranged in the support (7), and the central position of the impeller mechanism (10) is provided with a shaft hole (1001), the output end of the motor (6) is connected with the shaft hole (1001) through a rotating shaft, a preformed groove (12) is arranged at the central position of the impeller mechanism (10), a damping mechanism (11) is arranged in the reserved groove (12), screw holes (5) are uniformly arranged on the other side of the volute (2), and the other side of spiral case (2) installs maintenance panel (3), maintenance panel (3) are evenly connected with screw (5) through locking bolt (4), the outside of spiral case (2) evenly is provided with strengthening rib (9).

2. A high efficiency direct mount blower as claimed in claim 1 wherein: all be provided with fixture block (14) on spiral case (2) of screw (5) one side, maintenance panel (3) are close to one side of spiral case (2) evenly be provided with fixture block (14) assorted draw-in groove, and all are fixed with sealed pad (13) on spiral case (2) of fixture block (14) both sides.

3. A high efficiency direct mount blower as claimed in claim 1 wherein: the longitudinal section of the support (7) is of an H-shaped structure, and fixing bolts (1) are uniformly arranged at the edge of the bottom of the support (7).

4. A high efficiency direct mount blower as claimed in claim 1 wherein: the impeller mechanism (10) comprises blades (1002), reinforcing plates (1003), concave-convex units (1004) and a shaft hole (1001), wherein the reinforcing plates (1003) are fixed at one ends of the blades (1002) close to the shaft hole (1001), and the concave-convex units (1004) are uniformly arranged on the blades (1002).

5. A high efficiency direct mount blower as claimed in claim 1 wherein: the damping mechanism (11) comprises damping springs (1101) and heat dissipation fins (1102), the damping springs (1101) are uniformly arranged inside the reserved groove (12), the heat dissipation fins (1102) are arranged between the damping springs (1101), and the number of the damping springs (1101) and the number of the heat dissipation fins (1102) are respectively four.

6. A high efficiency direct mount blower as claimed in claim 5 wherein: the included angles between the damping springs (1101) are 90 degrees, and the heat dissipation fins (1102) are obliquely arranged along the inner side wall of the reserved groove (12).