CN218207219U

CN218207219U - Air blower with self-cooling function

Info

Publication number: CN218207219U
Application number: CN202222060976.0U
Authority: CN
Inventors: 洪小云; 廖卫平
Original assignee: Zhejiang Chengkang Machinery & Electrical Product Manufacturing Co ltd
Current assignee: Zhejiang Chengkang Machinery & Electrical Product Manufacturing Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2023-01-03
Anticipated expiration: 2032-08-04

Abstract

The utility model discloses to the complicated drawback of current forced air cooling blower structure, provide an air-blower with from cooling function, including the impeller shell, install the impeller that can only rotate in the impeller shell, fixed outlet duct and the intake pipe that is equipped with and impeller shell inner chamber intercommunication of impeller shell lateral surface, the fixed motor that is used for driving the impeller rotation that is equipped with still on the impeller shell, the fixed motor housing who establishes outside the motor that is equipped with the cover on the impeller shell leaves the interval between motor housing inner wall and the motor, and the last one side of being back to the impeller shell of motor housing is equipped with the gas outlet, be equipped with the air vent that makes impeller shell inner chamber and motor housing inner chamber intercommunication on the impeller shell. The utility model discloses need not to set up dedicated cooling fan, just can cool off the motor through the air current that the impeller rotation produced, realize from cold function, simple structure, and have better cooling effect.

Description

Air blower with self-cooling function

Technical Field

The utility model belongs to the technical field of the air-blower, concretely relates to air-blower with from cold function.

Background

Air-blower wide application in fields such as air conveying, coal gas, chemical industry gas, the impeller on the air-blower all adopts motor drive, and motor work can produce a large amount of heats, lasts long-time work after, if the motor does not obtain timely cooling, can lead to the motor to burn out, influences the life of air-blower. At present, the air blower generally adopts two cooling modes of water cooling or air cooling, wherein the air blower adopting air cooling generally needs to be provided with a special cooling fan, so that the structure is complicated and the cost is increased.

Disclosure of Invention

The utility model discloses to the drawback that current forced air cooling air-blower structure is complicated, provide an air-blower with from cold function, this air-blower need not to set up extra cooling fan and just can realize better forced air cooling effect.

The invention aims to be realized by the following technical scheme: the utility model provides an air-blower with from cooling function, includes impeller shell, installs the impeller that can only autogyration in the impeller shell, and the fixed outlet duct and the intake pipe that are equipped with and communicate with impeller shell inner chamber of impeller shell lateral surface still fixedly on the impeller shell be equipped with the motor that is used for driving the impeller rotation, the fixed motor housing that establishes outside the motor that is equipped with the cover on the impeller shell leaves the interval between motor housing inner wall and the motor, and one side back to impeller shell on the motor housing is equipped with the gas outlet, be equipped with the air vent that makes impeller shell inner chamber and motor housing inner chamber communicate on the impeller shell. Among the above-mentioned scheme, the air current that impeller work produced has in the part passes air vent entering motor housing, discharges from the gas outlet on the motor housing again, can produce the air current in motor housing, takes away the heat that the motor produced to the realization makes to the cooling of motor the utility model discloses have the function of self-cooling.

Preferably, the impeller comprises a circular plate and a connecting column vertically fixed at the center of the circular plate, circular arc-shaped blades distributed in a circumferential array are fixedly arranged on the outer side surface of the connecting column, the circular arc-shaped blades are fixedly connected with the circular plate, a circular through groove which is arranged around the center line of the connecting column and penetrates through the circular plate is further arranged on the circular plate, and the circular through groove is always communicated with the vent hole; and a rotating shaft of the motor penetrates through the vent hole and is fixedly connected with the impeller. The impeller structure that sets up like this is comparatively firm, and the air current that the impeller rotation produced can pass the annular through groove and get into the air vent.

Preferably, a heat dissipation member is fixedly arranged on the motor. The setting of radiating piece can promote the utility model discloses to the heat dissipation of motor, cooling performance.

Preferably, the outer side surface of the impeller shell is provided with a connecting groove of an annular structure, and one end of the motor shell, which is back to the air outlet, is embedded into the connecting groove. The sealing performance of impeller shell and motor housing junction can be promoted in the setting of spread groove.

Preferably, an air duct partition plate is arranged in the impeller shell, the air duct partition plate divides an inner cavity of the impeller shell into a first cavity and a second cavity arranged around the first cavity, the air inlet pipe and the air outlet pipe are communicated with the first cavity, the impeller is arranged in the first cavity, the air inlet pipe and the motor shell are respectively located on two sides of the impeller shell, and the central line of the air inlet pipe coincides with the central line of the impeller.

Preferably, the impeller shell comprises a first shell and a second shell, an embedded groove is formed in the inner wall of the first shell, the air duct partition plate is fixedly arranged inside the second shell, and the air duct partition plate is embedded into the embedded groove.

Preferably, the first shell is internally and fixedly provided with a convex strip arranged along the embedded groove, and the convex strip is attached to the inner side surface of the air duct partition plate.

Preferably, a plurality of screw holes located in the second cavity are further formed in the second shell, a plurality of first through holes in one-to-one correspondence with the screw holes are formed in the first shell, a plurality of connecting lugs in one-to-one correspondence with the first through holes are fixedly arranged on the motor shell, second through holes aligned with the corresponding first through holes are formed in the connecting lugs, and bolts penetrating through the first through holes and the second through holes and connected with the screw holes in a threaded mode are arranged among the first shell, the second shell and the motor shell. By means of the arrangement, the bolt and other components are arranged in the second chamber, and the side wall of the first chamber can have good sealing performance.

Preferably, the impeller shell is further provided with a plurality of air passing holes distributed around the vent holes. The setting of crossing the gas pocket can increase the airflow that gets into in the motor casing from the impeller shell, promotes the cooling effect to the motor.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses need not to set up dedicated cooling fan, just can cool off the motor through the air current that the impeller rotation produced, realize from cold function, simple structure, and have better cooling effect.

Drawings

FIG. 1 is a perspective view of the present invention;

fig. 2 is a bottom view of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a perspective view of a motor housing;

FIG. 5 is a perspective view of the first housing;

FIG. 6 is a perspective view of the first housing;

FIG. 7 is a perspective view of the second housing;

FIG. 8 is a perspective view of the impeller;

FIG. 9 is a perspective view of the motor;

the mark in the figure is: 1. impeller shell, 2, impeller, 3, outlet duct, 4, the intake pipe, 5, the motor, 6, the radiating piece, 7, the spread groove, 8, motor shell, 9, the gas outlet, 10, the air vent, 11, cross the gas pocket, 12, the plectane, 13, the spliced pole, 14, convex blade, 15, the annular through groove, 16, wind channel baffle, 17, first cavity, 18, the second cavity, 19, first casing, 20, the second casing, 21, the embedded groove, 22, the sand grip, 23, the screw, 24, first through-hole, 25, engaging lug, 26, the second through-hole.

Detailed Description

The invention will be further described with reference to the embodiments shown in the drawings to which:

example 1

As shown in fig. 1-9, the blower with self-cooling function comprises an impeller shell 1, an impeller 2 which can only rotate is installed in the impeller shell 1, an air outlet pipe 3 and an air inlet pipe 4 which are communicated with an inner cavity of the impeller shell 1 are fixedly arranged on the outer side surface of the impeller shell 1, a motor 5 for driving the impeller 2 to rotate is further fixedly arranged on the impeller shell 1, and a heat dissipation member 6 is fixedly arranged on the motor 5. 1 lateral surface of impeller shell is equipped with loop configuration's spread groove 7, and fixed being equipped with on the impeller shell 1 covers motor housing 8 of establishing outside motor 5, leaves the interval between motor housing 8 inner wall and the motor 5, and one side back to impeller shell 1 on the motor housing 8 is equipped with gas outlet 9, and motor housing 8 is back to in the one end embedding spread groove 7 of gas outlet 9. The impeller shell 1 is provided with an air vent 10 and four air passing holes 11 which enable the inner cavity of the impeller shell 1 to be communicated with the inner cavity of the motor shell 8, and the air passing holes 11 are distributed around the air vent 10.

The impeller 2 comprises a circular plate 12 and a connecting column 13 vertically fixed at the center of the circular plate 12, the connecting column 13 is fixedly arranged on a rotating shaft of the motor 5, circular arc-shaped blades 14 distributed in a circumferential array are fixedly arranged on the outer side surface of the connecting column 13, the circular arc-shaped blades 14 are fixedly connected with the circular plate 12, a circular through groove 15 which is arranged around the center line of the connecting column 13 and penetrates through the circular plate 12 is further arranged on the circular plate 12, and the circular through groove 15 is always communicated with the vent hole 10; and a rotating shaft of the motor 5 penetrates through the vent hole 10 and is fixedly connected with the impeller 2.

An air duct partition plate 16 is arranged in the impeller shell 1, the inner cavity of the impeller shell 1 is divided into a first cavity 17 and a second cavity 18 arranged around the first cavity 17 by the air duct partition plate 16, the air inlet pipe 4 and the air outlet pipe 3 are communicated with the first cavity 17, the impeller 2 is arranged in the first cavity 17, the air inlet pipe 4 and the motor shell 8 are respectively located on two sides of the impeller shell 1, and the central line of the air inlet pipe 4 coincides with the central line of the impeller 2. Impeller shell 1 includes first casing 19 and second casing 20, and first casing 19 inner wall is equipped with embedded groove 21, and second casing 20 is inside to be fixed to be equipped with wind channel baffle 16, wind channel baffle 16 embedding in embedded groove 21. A protruding strip 22 arranged along the embedded groove 21 is fixedly arranged in the first shell 19, and the protruding strip 22 is attached to the inner side surface of the air duct partition plate 16. The motor comprises a first shell 20, a second shell 20 and a motor shell 8, and is characterized in that four screw holes 23 located in the second cavity 18 are further formed in the second shell 20, four first through holes 24 in one-to-one correspondence with the screw holes 23 are formed in the first shell 19, four connecting lugs 25 in one-to-one correspondence with the first through holes 24 are fixedly arranged on the motor shell 8, second through holes 26 aligned with the corresponding first through holes 24 are formed in the connecting lugs 25, and bolts penetrating through the first through holes 24 and the second through holes 26 and connected with the screw holes 23 in a threaded mode are arranged among the first shell 19, the second shell 20 and the motor shell 8.

The utility model discloses the during operation, motor 5 drives impeller 2 and rotates, and impeller 2 rotates and makes and produce the air current in the first cavity 17, makes in external gas gets into first cavity 17 through intake pipe 4, and most gas in the first cavity 17 can be followed outlet duct 3 and discharged, and few gas can pass air vent 10 and cross gas pocket 11 and get into motor housing 8 in, takes away and discharges from gas outlet 9 behind the heat that motor 5 produced again, and the radiating piece 6 of the last fixed setting of motor 5 can strengthen motor 5's radiating effect, thereby can promote the utility model discloses to motor 5 cooling effect.

It should be understood that in the claims and the description of the present invention, all of "including 8230 \8230;" including 8230; "should be understood as open meaning, i.e., meaning equivalent to" including at least 8230; \8230; "and" including 8230; "should not be understood as closed meaning, i.e., meaning including only 8230;" 8230; ".

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides an air-blower with from cooling function, includes impeller shell, installs the impeller that can only be autogyration in the impeller shell, fixed outlet duct and the intake pipe that is equipped with and communicates with impeller shell inner chamber of impeller shell lateral surface still fixed being equipped with on the impeller shell and being used for driving the motor of impeller rotation, a serial communication port, fixed being equipped with on the impeller shell covers the motor housing of establishing outside the motor, leaves the interval between motor housing inner wall and the motor, and the last one side of being back to impeller shell of motor housing is equipped with the gas outlet, be equipped with the air vent that makes impeller shell inner chamber and motor housing inner chamber communicate on the impeller shell.

2. The self-cooling blower according to claim 1, wherein the impeller includes a circular plate and a connection post vertically fixed to a central position of the circular plate, circular arc blades are fixedly disposed on an outer side surface of the connection post and distributed in a circumferential array, the circular arc blades are fixedly connected to the circular plate, the circular plate is further provided with a circular through groove disposed around a center line of the connection post and penetrating through the circular plate, and the circular through groove is always communicated with the vent hole; and a rotating shaft of the motor penetrates through the vent hole and is fixedly connected with the impeller.

3. The self-cooling blower according to claim 1 or 2, wherein a heat dissipating member is fixedly installed on the motor.

4. The self-cooling blower according to claim 1, wherein the outer side of the impeller housing has a coupling groove of a ring shape, and an end of the motor housing opposite to the air outlet is inserted into the coupling groove.

5. The self-cooling blower according to claim 1, wherein an air duct partition is disposed in the impeller housing, the air duct partition divides the inner cavity of the impeller housing into a first chamber and a second chamber disposed around the first chamber, the air inlet pipe and the air outlet pipe are both communicated with the first chamber, the impeller is disposed in the first chamber, the air inlet pipe and the motor housing are respectively disposed on two sides of the impeller housing, and a center line of the air inlet pipe coincides with a center line of the impeller.

6. The self-cooling blower according to claim 5, wherein the impeller casing includes a first casing and a second casing, the first casing has an insertion slot on an inner wall thereof, the second casing has the air duct partition fixed therein, and the air duct partition is inserted into the insertion slot.

7. The self-cooling blower according to claim 6, wherein a rib is fixed to the first housing along the slot, and the rib is attached to an inner side of the partition plate of the air duct.

8. A self-cooling air blower as claimed in claim 6, wherein the second housing further has a plurality of screw holes formed therein, the first housing has a plurality of first through holes corresponding to the screw holes, the motor housing has a plurality of engaging lugs corresponding to the first through holes, the engaging lugs have second through holes aligned with the corresponding first through holes, and a bolt is disposed between the first housing, the second housing and the motor housing, and passes through the first through holes and the second through holes and is threadedly engaged with the screw holes.

9. The self-cooling blower according to claim 1, wherein the impeller housing further includes a plurality of air passing holes distributed around the air passing holes.