CN211314598U - Permanent magnet and frequency conversion integrated fan - Google Patents
Permanent magnet and frequency conversion integrated fan Download PDFInfo
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- CN211314598U CN211314598U CN201921864664.7U CN201921864664U CN211314598U CN 211314598 U CN211314598 U CN 211314598U CN 201921864664 U CN201921864664 U CN 201921864664U CN 211314598 U CN211314598 U CN 211314598U
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- permanent magnet
- shaft sleeve
- frequency conversion
- pump body
- variable frequency
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Abstract
The utility model relates to a high pressure positive blower technical field, concretely relates to permanent magnetism frequency conversion all-in-one fan, this permanent magnetism frequency conversion all-in-one fan includes permanent magnetism frequency conversion motor, fan body and flange, flange installs in permanent magnetism frequency conversion motor's output, the extension body includes axle sleeve, impeller, pump body and pump cover, the pump cover lid is located the pump body in order to form airtight space, the impeller is located this airtight space; the pump body is fixedly connected to one end face of the connecting flange; the shaft sleeve is arranged on an output shaft of the permanent magnet variable frequency motor and coaxially rotates with the output shaft of the permanent magnet variable frequency motor, one end, far away from the permanent magnet variable frequency motor, of the shaft sleeve penetrates through the pump body to be rotatably connected with the pump cover, and the impeller is arranged on the shaft sleeve and coaxially rotates with the shaft sleeve. The utility model discloses an integrative fan of permanent magnetism frequency conversion has solved the unable problem at high-pressure positive blower technical field wide application of present permanent magnetism inverter motor.
Description
Technical Field
The utility model relates to a high pressure positive blower technical field, concretely relates to integrative fan of permanent magnetism frequency conversion.
Background
Most high-pressure fans on the market are configured with motors in three asynchronous motor structural modes, the requirements of the existing industries on frequency conversion control and noise are high, but the electromagnetic noise of the three asynchronous motors is high, the requirement on the control space of an external frequency converter is high, and the requirement on the use environment of equipment is high. Although several permanent magnet variable frequency motors are available in the market recently, the motor is provided with a frequency converter without a client external frequency conversion device, and the noise is low, a structure combining the motor and a fan is still lacked at present, so that the permanent magnet variable frequency motor cannot be widely applied to the technical field of high-pressure fans.
Disclosure of Invention
In order to overcome the shortcoming and the deficiency that exist among the prior art, the utility model aims to provide an integrative fan of permanent magnetism frequency conversion has solved the unable problem at high-pressure positive blower technical field wide application of present permanent magnetism variable frequency motor.
The utility model discloses a realize through following technical scheme:
a permanent magnet frequency conversion integrated fan comprises a permanent magnet frequency conversion motor, a fan body and a connecting flange, wherein the connecting flange is arranged at the output end of the permanent magnet frequency conversion motor; the pump body is fixedly connected to one end face of the connecting flange; the shaft sleeve is arranged on an output shaft of the permanent magnet variable frequency motor and coaxially rotates with the output shaft of the permanent magnet variable frequency motor, one end, far away from the permanent magnet variable frequency motor, of the shaft sleeve penetrates through the pump body to be rotatably connected with the pump cover, and the impeller is arranged on the shaft sleeve and coaxially rotates with the shaft sleeve.
The fan body further comprises a shaft end pressing plate, the shaft end pressing plate is provided with a through hole, the shaft sleeve is provided with a first screw hole corresponding to the through hole, and the shaft end pressing plate and the shaft sleeve are fixedly connected with the screw hole in a threaded mode after being inserted into the through hole through a screw.
And one end of the shaft sleeve, which is close to the permanent magnet variable frequency motor, is provided with a plurality of second screw holes, and the second screw holes are in threaded connection with flat-head set screws.
And a flat key is arranged between the shaft sleeve and the impeller.
Wherein, the top of the pump body can be dismantled and be provided with rings.
The pump is characterized in that the shaft sleeve is further sleeved with a framework oil seal, and the framework oil seal is located between the pump body and the shaft sleeve.
The bottom end of the pump body is connected with a bottom plate, and one end, extending out of the pump body, of the bottom plate is provided with a supporting piece for supporting the permanent magnet variable frequency motor.
The utility model has the advantages that:
the problem of present permanent magnet variable frequency motor can't be in high-pressure positive blower technical field wide application is solved: the utility model discloses an integrative fan of permanent magnetism frequency conversion through setting up permanent magnet variable frequency motor, fan body and flange, because be provided with the bearing in the permanent magnet variable frequency motor, through axle sleeve and impeller cooperation to the shaft shoulder that adopts the axle sleeve carries on spacingly, thereby makes current permanent magnet variable frequency motor and fan body can lock fixedly, in order to satisfy permanent magnet variable frequency motor and can't be in high pressure positive blower technical field wide application.
Drawings
The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.
Fig. 1 is a sectional view of the present invention.
Reference numerals
A permanent magnet variable frequency motor-1,
a blower body-2, a shaft sleeve-21, an impeller-22, a pump body-23, a pump cover-24, a shaft end pressure plate-25, a screw-26, a flat key-27, a hanging ring-28, a framework oil seal-29,
a connecting flange-3, a flat head set screw-31, a bottom plate-41 and a supporting piece-42.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
It should be noted that the structures shown in the drawings are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used for limiting the practical limitations of the present invention, so that the modifications or adjustments of any structure do not have the essential meaning in the art, and the technical contents disclosed in the present invention should still fall within the scope that the functions and the achievable objects of the present invention can be achieved without affecting the present invention.
As shown in fig. 1, a permanent magnet frequency conversion integrated fan comprises a permanent magnet frequency conversion motor 1, a fan body 2 and a connecting flange 3, wherein the connecting flange 3 is installed at the output end of the permanent magnet frequency conversion motor 1, the fan body 2 comprises a shaft sleeve 21, an impeller 22, a pump body 23 and a pump cover 24, the pump cover 24 is arranged on the pump body 23 in a covering manner to form a closed space, and the impeller 22 is located in the closed space; the pump body 23 is fixedly connected to one end face of the connecting flange 3; the shaft sleeve 21 is arranged on the output shaft of the permanent magnet variable frequency motor 1 and rotates coaxially with the output shaft of the permanent magnet variable frequency motor 1, one end, far away from the permanent magnet variable frequency motor 1, of the shaft sleeve 21 penetrates through the pump body 23 to be connected with the pump cover 24 in a rotating mode, and the impeller 22 is arranged on the shaft sleeve 21 and rotates coaxially with the shaft sleeve 21.
The permanent magnet frequency conversion integrated fan of the embodiment has the following effects:
the problem of present permanent magnet variable frequency motor 1 can't be in high-pressure positive blower technical field wide application is solved: the integrative fan of permanent magnetism frequency conversion of this embodiment, through setting up permanent magnetism inverter motor 1, fan body 2 and flange 3, because be provided with the bearing in the permanent magnetism inverter motor 1, through axle sleeve 21 and impeller 22 cooperation to the shaft shoulder that adopts axle sleeve 21 carries on spacingly, thereby makes current permanent magnetism inverter motor 1 and fan body 2 can lock fixedly, in order to satisfy permanent magnetism inverter motor 1 and can't extensively use in high pressure positive blower technical field.
Specifically, fan body 2 still includes axle head clamp plate 25, axle head clamp plate 25 is equipped with the through-hole (for showing in the figure), axle sleeve 21 is equipped with the first screw (for showing in the figure) that corresponds with the through-hole, axle head clamp plate 25 passes through screw 26 with axle sleeve 21 and inserts behind the through-hole fixedly with the screw spiro union for axle head clamp plate 25 makes things convenient for the dismouting with axle sleeve 21 through being provided with axle head clamp plate 25 for the change and the maintenance of convenient axle sleeve 21.
Specifically, one end of the shaft sleeve 21, which is close to the permanent magnet variable frequency motor 1, is provided with a plurality of second screw holes (not shown in the figure), the second screw holes are in threaded connection with flat-head set screws 31, and after the shaft sleeve 21 and the output shaft of the permanent magnet variable frequency motor 1 are assembled, the flat-head set screws 31 are screwed into the second screw holes, so that the friction force between the output shaft of the permanent magnet variable frequency motor 1 and the shaft sleeve 21 is increased, and the output shaft of the permanent magnet variable frequency motor 1 and the shaft sleeve 21 are ensured to be stably matched.
Specifically, a flat key 27 is arranged between the shaft sleeve 21 and the impeller 22, so that the matching stability between the shaft sleeve 21 and the impeller 22 is further improved; the shaft sleeve 21 is further sleeved with a framework oil seal 29, and the framework oil seal 29 is located between the pump body 23 and the shaft sleeve 21, so that the sealing degree between the pump body 23 and the shaft sleeve 21 is increased.
Specifically, the top end of the pump body 23 is detachably provided with a hanging ring 28, and the hanging ring 28 is convenient for installation and use of the utility model; the bottom of the pump body 23 is connected with bottom plate 41, the one end that the bottom plate 41 extends the pump body 23 is provided with the support piece 42 that is used for bearing permanent magnet variable frequency motor 1, works as the utility model discloses place in the ground, because permanent magnet variable frequency motor 1 is heavier, can effectively avoid the fan to lead to turning on one's side because of the focus skew through setting up support piece 42 to increase the stability in use of this embodiment.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. The utility model provides an integrative fan of permanent magnetism frequency conversion which characterized in that: the fan comprises a permanent magnet variable frequency motor (1), a fan body (2) and a connecting flange (3), wherein the connecting flange (3) is arranged at the output end of the permanent magnet variable frequency motor (1), the fan body (2) comprises a shaft sleeve (21), an impeller (22), a pump body (23) and a pump cover (24), the pump cover (24) is arranged on the pump body (23) in a covering mode to form a closed space, and the impeller (22) is located in the closed space; the pump body (23) is fixedly connected to one end face of the connecting flange (3); the pump is characterized in that the shaft sleeve (21) is arranged on an output shaft of the permanent magnet variable frequency motor (1) and rotates coaxially with the output shaft of the permanent magnet variable frequency motor (1), one end, far away from the permanent magnet variable frequency motor (1), of the shaft sleeve (21) penetrates through the pump body (23) to be rotatably connected with the pump cover (24), and the impeller (22) is arranged on the shaft sleeve (21) and rotates coaxially with the shaft sleeve (21).
2. The permanent magnet frequency conversion integrated fan according to claim 1, characterized in that: the fan body (2) further comprises a shaft end pressing plate (25), the shaft end pressing plate (25) is provided with a through hole, the shaft sleeve (21) is provided with a first screw hole corresponding to the through hole, and the shaft end pressing plate (25) and the shaft sleeve (21) are inserted into the through hole through a screw (26) and then are fixed with the screw hole in a threaded mode.
3. The permanent magnet frequency conversion integrated fan according to claim 1, characterized in that: one end, close to the permanent magnet variable frequency motor (1), of the shaft sleeve (21) is provided with a plurality of second screw holes, and flat head set screws (31) are screwed in the second screw holes.
4. The permanent magnet frequency conversion integrated fan according to claim 1, characterized in that: and a flat key (27) is arranged between the shaft sleeve (21) and the impeller (22).
5. The permanent magnet frequency conversion integrated fan according to claim 1, characterized in that: the top end of the pump body (23) is detachably provided with a hanging ring (28).
6. The permanent magnet frequency conversion integrated fan according to claim 1, characterized in that: the shaft sleeve (21) is further sleeved with a framework oil seal (29), and the framework oil seal (29) is located between the pump body (23) and the shaft sleeve (21).
7. The permanent magnet frequency conversion integrated fan according to claim 1, characterized in that: the bottom end of the pump body (23) is connected with a bottom plate (41), and one end, extending out of the pump body (23), of the bottom plate (41) is provided with a supporting piece (42) used for supporting the permanent magnet variable frequency motor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921864664.7U CN211314598U (en) | 2019-10-31 | 2019-10-31 | Permanent magnet and frequency conversion integrated fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921864664.7U CN211314598U (en) | 2019-10-31 | 2019-10-31 | Permanent magnet and frequency conversion integrated fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211314598U true CN211314598U (en) | 2020-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921864664.7U Active CN211314598U (en) | 2019-10-31 | 2019-10-31 | Permanent magnet and frequency conversion integrated fan |
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| CN (1) | CN211314598U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112688495A (en) * | 2020-12-17 | 2021-04-20 | 常州精佳精密模具有限公司 | Permanent magnet synchronous motor and controller integrated assembly for negative pressure fan |
-
2019
- 2019-10-31 CN CN201921864664.7U patent/CN211314598U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112688495A (en) * | 2020-12-17 | 2021-04-20 | 常州精佳精密模具有限公司 | Permanent magnet synchronous motor and controller integrated assembly for negative pressure fan |
| CN112688495B (en) * | 2020-12-17 | 2023-12-22 | 常州瑞斯塔电机有限公司 | Permanent magnet synchronous motor and controller integrated assembly for negative pressure fan |
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