CN212992139U - Combustion-supporting electric blower - Google Patents
Combustion-supporting electric blower Download PDFInfo
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- CN212992139U CN212992139U CN202022286701.XU CN202022286701U CN212992139U CN 212992139 U CN212992139 U CN 212992139U CN 202022286701 U CN202022286701 U CN 202022286701U CN 212992139 U CN212992139 U CN 212992139U
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- shell
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- sealing ring
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Abstract
The utility model discloses a combustion-supporting electric blower, which comprises a shell and a rotor, wherein the shell comprises a bracket, a shell and an end cover, two ends of the shell are respectively connected with the bracket and the end cover, and the inner side of the shell is provided with a stator; the rotor is arranged in the shell and provided with a rotating shaft, and the rotating shaft, the end cover and the bracket are rotationally connected; one end of the rotating shaft connected with the bracket protrudes out of the bracket and is provided with a combustion-supporting wind wheel. The utility model adopts the above structure a combustion-supporting electric hair-dryer can integrated motor and wind wheel, makes the structure compacter to improve space utilization, adopt sealed effectual motor housing simultaneously, with the leakproofness requirement that satisfies the motor.
Description
Technical Field
The utility model belongs to the technical field of the industrial equipment technique and specifically relates to a combustion-supporting electric hair-dryer is related to.
Background
Electric blowers are often used in industrial processes. The electric blower commonly used in the industry at present is generally assembled by an electric motor and an air wheel component, so that the axial size and the radial size of the electric blower are large, and the space utilization rate is low. The inside of motor is provided with more electric elements, and the motor needs work in dusty environment sometimes, has higher requirement to the leakproofness of motor, and the pivot and the casing of general motor adopt to rotate to be connected, and the junction leakproofness of pivot and casing is relatively poor, can not satisfy the requirement to the leakproofness of motor when dusty environment work.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a combustion-supporting electric hair-dryer can integrated motor and wind wheel, makes the structure compacter to improve space utilization, adopt sealed effectual motor housing simultaneously, with the leakproofness requirement that satisfies the motor.
In order to achieve the purpose, the utility model provides a combustion-supporting electric blower, which comprises a shell and a rotor, wherein the shell comprises a bracket, a shell and an end cover, two ends of the shell are respectively connected with the bracket and the end cover, and a stator is arranged inside the shell; the rotor is arranged in the shell and provided with a rotating shaft, the end cover and the support are rotatably connected, one end of the rotating shaft connected with the support protrudes out of the support, and a combustion-supporting wind wheel is arranged on one section of the rotating shaft extending out of the support; a sealing structure is arranged at the rotary joint of the rotating shaft and the bracket; the bracket is provided with an air inlet which is communicated with the combustion-supporting wind wheel; the end of the combustion-supporting wind wheel is provided with an air outlet communicated with the combustion-supporting wind wheel.
Preferably, the air inlet is positioned on the side surface of the bracket; an ear plate is arranged at one end of the bracket far away from the shell; the other end of the bracket is fixedly connected with the shell, and a bracket sealing ring is arranged at the joint of the bracket and the shell; the end cover is circular, and an end cover sealing ring is arranged at the joint of the end cover and the machine shell.
Preferably, the rotary connection between the rotating shaft and the bracket is realized through a bearing; the sealing structure comprises a bearing sleeve, and a flat gasket is arranged between the bottom surface of the bearing sleeve and the bearing; the other side of the bottom surface of the bearing sleeve is provided with a copper gasket and a rubber sleeve in a fitting manner, and the rubber sleeve is sleeved outside the copper gasket; an end face sealing ring is arranged on the other side of the copper gasket, a clamp spring is arranged on one side of the end face sealing ring, and the end face sealing ring is tightly attached to the copper gasket under the action of the clamp spring; the end face sealing ring is in interference fit with the rotating shaft, and the rubber sleeve is in interference fit with the copper gasket and the rack.
Preferably, the casing is cylindrical, a wire outlet is formed in the casing, the wire outlet is located on the side face of the casing, and a wire outlet rubber plug enabling an internal wire to penetrate through is arranged at the wire outlet.
Preferably, the combustion-supporting wind wheel is circular, the wind wheels are arranged on the combustion-supporting wind wheel, the wind wheels are distributed in a circumferential array mode and radiate outwards along the center of the wind wheel, and air outlets are formed among the wind wheels.
Preferably, the end cover sealing ring and the support sealing ring are O-shaped sealing rings.
Optionally, the end cover sealing ring and the support sealing ring are special-shaped sealing rings.
Therefore, the utility model adopts the above structure a combustion-supporting electric hair-dryer can integrated motor and wind wheel, makes the structure compacter to improve space utilization, adopt sealed effectual motor housing simultaneously, with the leakproofness requirement that satisfies the motor.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic sectional view of a first embodiment of a combustion-supporting electric blower according to the present invention;
fig. 2 is a schematic perspective view of a first embodiment of a combustion-supporting electric blower according to the present invention;
fig. 3 is a schematic partial structural view of a first embodiment of a combustion-supporting electric blower according to the present invention;
fig. 4 is a partial structural schematic view of a first embodiment of a combustion-supporting electric blower according to the present invention;
fig. 5 is a schematic partial structural view of a combustion-supporting electric blower according to a second embodiment of the present invention.
Reference numerals
1. A wind wheel; 2. a support; 3. a housing; 4. a rotor; 5. a stator; 6. an end cap; 7. outlet rubber plug; 8. an end cap seal ring; 9. a support sealing ring; 10. an end face seal ring; 11. a ground line; 12 a power line; 201. an ear plate; 202. an air inlet; 401. a rotating shaft; 402. a first bearing; 403. a second bearing; 404. a clamp spring I; 405. a flat washer; 406. a bearing housing; 407. a rubber sleeve; 408. a copper washer; 409. and a second snap spring.
Detailed Description
Example one
As shown in fig. 1-4, the utility model provides a combustion-supporting electric blower, which comprises a housing and a rotor 4, wherein the housing comprises a bracket 2, a casing 3 and an end cover 6. The two ends of the casing 3 are respectively connected with the bracket 2 and the end cover 6 in a bolt or screw connection mode. The inside of casing 3 is provided with stator 5, and stator 5 and casing 3 fixed connection.
The rotor 4 is arranged in the casing 3, the rotor 4 is provided with a rotating shaft 401, and two ends of the rotating shaft 401 are respectively connected with the bracket 2 and the end cover 6 in a rotating manner through a second bearing 403 and a first bearing 402. One end of the rotating shaft 401 connected with the bracket 2 protrudes out of the bracket 2, and a combustion-supporting wind wheel 1 is arranged at the end part of the rotating shaft.
The shape of the combustion-supporting wind wheel 1 is circular, the blades 101 are arranged on the combustion-supporting wind wheel 1, the blades 101 are distributed in a circumferential array mode and radiate outwards along the center of the combustion-supporting wind wheel 1, and air outlets 102 are arranged among the blades 101 and used for enabling airflow to flow out.
The bracket 2 is made of aluminum alloy, an air inlet 202 is formed in the bracket, and the air inlet 202 is located on the side face of the bracket 2, so that smooth air inlet can be guaranteed. The end of the bracket 2 away from the housing 3 is provided with an ear plate 201 for assembly with other structures.
The other end of the bracket 2 is fixedly connected with the casing 3 through a bolt, and a bracket sealing ring 9 is arranged at the joint of the bracket and the casing. An end face sealing ring 10 is arranged at the joint of the bracket 2 and the rotating shaft 401 of the rotor 4.
A clamp spring II 409 is arranged on one side, away from the bearing II 403, of the end face sealing ring 10, a copper gasket 408 is arranged on one side, close to the bearing II 403, of the end face sealing ring 10, a rubber sleeve 407 is sleeved on the outer side of the copper gasket 408, and the rubber sleeve 407 and the copper gasket 408 are in interference fit. The rubber sleeve 407 is in interference fit with the bracket 2. The other side of the copper washer 408 is attached to the bearing sleeve 406, the bearing sleeve 406 is sleeved outside the second bearing 403, and the bearing sleeve 406 is in interference fit with the bracket 2. A flat washer 405 is arranged between the bearing sleeve 406 and the bearing 403, and a clamp spring 404 is arranged on the other side of the bearing sleeve 406. The end face sealing ring 10 is in interference fit with the rotating shaft 401, the end face sealing ring 10 seals the connecting face of the end face sealing ring 10 and the copper gasket 408 under the action of the clamp spring II 409, the end face sealing ring 10 rotates synchronously along with the rotating shaft 401, and the end face sealing ring 10 and the copper gasket 408 rotate relatively. This structure can obtain good rotary sealing performance at the rotary connection position of the rotating shaft 401 and the second bearing 403.
The casing 3 is fixedly connected with the end cover 6 through bolts, and an end face sealing ring 8 is arranged at the joint of the casing and the end cover. The side of the machine shell 3 is provided with a wire outlet which is used for leading out a power line 12 and a grounding wire 11 in the machine shell 3, the wire outlet is provided with a wire outlet rubber plug 7, and foreign matters such as dust and water can be effectively prevented from entering the interior of the machine shell 3 through the wire outlet rubber plug 7, so that the protection level IP67 is achieved.
The sealing ring 8 at the joint of the casing 3, the bracket 2 and the end cover 6 is an O-shaped sealing ring which is convenient to install.
When the electric air blower works, the electric air blower is fixed on a structure matched with the electric air blower through the support 2, and after the electric air blower is electrified, the rotor 4 rotates along the rotating shaft 401 to drive the combustion-supporting wind wheel 1 to rotate, so that air flow enters through the air inlet 202 and flows out of the air outlet 102, and air flow perpendicular to the rotating direction of the combustion-supporting wind wheel 1 is formed.
Therefore, the utility model adopts the above structure a combustion-supporting electric hair-dryer can integrated motor and wind wheel, makes the structure compacter to improve space utilization, adopt sealed effectual motor housing simultaneously, with the leakproofness requirement that satisfies the motor.
Example two
As shown in fig. 5, the difference between the second embodiment and the first embodiment is that: the end cover sealing ring 8 and the support sealing ring 9 adopt special-shaped sealing rings as a substitute for sealing rings of the shell, the support and the end cover.
The above are specific embodiments of the present invention, but the scope of protection of the present invention should not be limited thereto. Any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention, and therefore, the protection scope of the present invention is subject to the protection scope defined by the claims.
Claims (7)
1. A combustion-supporting electric blower comprises a shell and a rotor, and is characterized in that: the shell comprises a bracket, a shell and an end cover, wherein two ends of the shell are respectively connected with the bracket and the end cover, and a stator is arranged on the inner side of the shell; the rotor is arranged in the shell and provided with a rotating shaft, the end cover and the support are rotatably connected, one end of the rotating shaft connected with the support protrudes out of the support, and a combustion-supporting wind wheel is arranged on one section of the rotating shaft extending out of the support; a sealing structure is arranged at the rotary joint of the rotating shaft and the bracket; the bracket is provided with an air inlet which is communicated with the combustion-supporting wind wheel; the end of the combustion-supporting wind wheel is provided with an air outlet communicated with the combustion-supporting wind wheel.
2. A comburent electric blower according to claim 1, characterized in that: the air inlet is positioned on the side surface of the bracket; an ear plate is arranged at one end of the bracket far away from the shell; the other end of the bracket is fixedly connected with the shell, and a bracket sealing ring is arranged at the joint of the bracket and the shell; the end cover is circular, and an end cover sealing ring is arranged at the joint of the end cover and the machine shell.
3. A comburent electric blower according to claim 1, characterized in that: the rotary connection between the rotating shaft and the bracket is realized through a bearing; the sealing structure comprises a bearing sleeve, and a flat gasket is arranged between the bottom surface of the bearing sleeve and the bearing; the other side of the bottom surface of the bearing sleeve is provided with a copper gasket and a rubber sleeve in a fitting manner, and the rubber sleeve is sleeved outside the copper gasket; an end face sealing ring is arranged on the other side of the copper gasket, a clamp spring is arranged on one side of the end face sealing ring, and the end face sealing ring is tightly attached to the copper gasket under the action of the clamp spring; the end face sealing ring is in interference fit with the rotating shaft, and the rubber sleeve is in interference fit with the copper gasket and the rack.
4. A comburent electric blower according to claim 1, characterized in that: the shell is cylindrical, a wire outlet is formed in the shell and located on the side face of the shell, and a wire outlet rubber plug enabling an internal lead to penetrate through is arranged at the wire outlet.
5. A comburent electric blower according to claim 1, characterized in that: the combustion-supporting wind wheel is circular, blades are arranged on the combustion-supporting wind wheel, the blades are distributed in a circumferential array mode and radiate outwards along the center of the wind wheel, and air outlets are formed among the blades.
6. A comburent electric blower according to claim 2, characterized in that: the end cover sealing ring and the support sealing ring are O-shaped sealing rings.
7. A comburent electric blower according to claim 2, characterized in that: the end cover sealing ring and the support sealing ring are special-shaped sealing rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022286701.XU CN212992139U (en) | 2020-10-14 | 2020-10-14 | Combustion-supporting electric blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022286701.XU CN212992139U (en) | 2020-10-14 | 2020-10-14 | Combustion-supporting electric blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212992139U true CN212992139U (en) | 2021-04-16 |
Family
ID=75419464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022286701.XU Active CN212992139U (en) | 2020-10-14 | 2020-10-14 | Combustion-supporting electric blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212992139U (en) |
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2020
- 2020-10-14 CN CN202022286701.XU patent/CN212992139U/en active Active
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