CN211314599U - High-pressure fan without bearing in cavity - Google Patents
High-pressure fan without bearing in cavity Download PDFInfo
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- CN211314599U CN211314599U CN201921864665.1U CN201921864665U CN211314599U CN 211314599 U CN211314599 U CN 211314599U CN 201921864665 U CN201921864665 U CN 201921864665U CN 211314599 U CN211314599 U CN 211314599U
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- bearing
- main shaft
- high pressure
- driving motor
- pressure positive
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Abstract
The utility model relates to the technical field of high pressure positive blower, in particular to a high pressure positive blower without bearing in the cavity, which comprises a blower body and a driving motor, wherein the blower body comprises a main shaft and a pump cover; the output end of the driving motor is provided with a motor end cover, the motor end cover is provided with a bearing, the output shaft of the driving motor and the main shaft rotate coaxially, and the main shaft is arranged on the bearing; and one end of the main shaft, which is far away from the driving motor, penetrates through the bearing and the motor end cover to be rotatably connected with the pump cover. The utility model discloses a high pressure positive blower of no bearing of intracavity, through installing the bearing frame outside the pump cover, avoid bearing frame and the working medium contact through high pressure positive blower, improve the life of bearing.
Description
Technical Field
The utility model relates to a high pressure positive blower technical field, concretely relates to high pressure positive blower of intracavity no bearing.
Background
The high-pressure fan is a fan with the wind pressure of 30kPa to 200KPa or the compression ratio e of 1.3 to 3 under the design condition. The air ring vacuum pump is generally classified as a high-pressure fan in the current industry. Most high-pressure positive blower's main shaft and bearing frame all install in high-pressure positive blower's pump cover in the market at present, such structure leads to trades some to be unable for a bit, for example working medium such as steam or corrosive gas in the operating mode: if the bearing seat is designed in the pump cover, water vapor or corrosive gas of a working medium of the bearing seat easily enters the bearing seat, so that grease of the bearing is deteriorated or corroded. Because the grease is an essential friction agent for keeping the bearing running at high speed, the deterioration or corrosion of the grease can cause the failure of the grease, so that the friction coefficient between the balls is increased, and the service life of the bearing is shortened.
Disclosure of Invention
In order to overcome the shortcoming and the deficiency that exist among the prior art, the utility model aims to provide a high pressure positive blower of intracavity no bearing through installing the bearing frame outside the pump cover, avoids bearing frame and the working medium contact through high pressure positive blower, improves the life of bearing.
The utility model discloses a realize through following technical scheme:
a high-pressure fan without a bearing in a cavity comprises a fan body and a driving motor, wherein the fan body comprises a main shaft and a pump cover; the output end of the driving motor is provided with a motor end cover, the motor end cover is provided with a bearing, the output shaft of the driving motor and the main shaft rotate coaxially, and the main shaft is arranged on the bearing; and one end of the main shaft, which is far away from the driving motor, penetrates through the bearing and the motor end cover to be rotatably connected with the pump cover.
The fan body further comprises a shaft end pressing plate, the shaft end pressing plate is provided with a through hole, the main shaft is provided with a screw hole corresponding to the through hole, and the shaft end pressing plate and the main shaft are fixed through screws.
The fan body further comprises a pump body and an impeller, the pump cover is arranged on the pump body to form a closed space, and the impeller is located in the closed space; the main shaft penetrates through the pump body and is rotatably connected with the pump cover, and the impeller is arranged on the main shaft and rotates coaxially with the main shaft.
The pump body is sleeved with a framework oil seal and a felt sealing ring, and the framework oil seal and the felt sealing ring are both located between the pump body and the main shaft.
The upper end of the motor end cover is detachably provided with a hanging ring.
The bottom end of the fan body is connected with a bottom plate, and a supporting piece used for supporting the driving motor is arranged at one end, extending out of the fan body, of the bottom plate.
The utility model has the advantages that:
the service life of the bearing of the high-pressure fan is prolonged: the high-pressure fan without the bearing in the cavity has the advantages that the motor end cover is arranged at the output end of the driving motor, and the motor end cover serves as the effect of the bearing seat, so that the bearing is arranged outside the high-pressure fan; simultaneously, the bearing is inside the motor end cover, can't directly transmit to the bearing by the heat that the inside air compression of high pressure positive blower produced to the influence of temperature to the bearing reduces by a wide margin, and the inside environment of motor is clean, and the particulate matter gets into the bearing raceway possibility less, also can satisfy more use trades, further improves the life of bearing.
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 blower body-1, a main shaft-11, a pump cover-12, a shaft end pressure plate-13, screws-14, a pump body-15, an impeller-16, a framework oil seal-17, a felt sealing ring-18,
a driving motor-2, a motor end cover-21 and a bearing-22.
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 high pressure fan without bearing in a cavity includes a fan body 1 and a driving motor 2, where the fan body 1 includes a main shaft 11 and a pump cover 12; the output end of the driving motor 2 is provided with a motor end cover 21, a bearing 22 is arranged in the motor end cover 21, the output shaft of the driving motor 2 and the main shaft 11 rotate coaxially, and the main shaft 11 is arranged on the bearing 22; one end of the main shaft 11, which is far away from the driving motor 2, penetrates through the bearing 22 and the motor end cover 21 and then is rotatably connected with the pump cover 12.
The high pressure positive blower that does not have bearing in chamber of this embodiment has following effect:
the service life of the bearing 22 of the high-pressure fan is prolonged: in the high-pressure fan without the bearing in the cavity, the motor end cover 21 is arranged at the output end of the driving motor 2, and the motor end cover 21 has the effect of serving as a bearing 22 seat, so that the bearing 22 is arranged outside the high-pressure fan; simultaneously, inside bearing 22 was in motor end cover 21, the heat that is produced by the inside air compression of high pressure positive blower can't directly transmit to bearing 22 to the influence of temperature to bearing 22 reduces by a wide margin, and the inside environment of motor is clean, and working medium such as particulate matter gets into bearing 22 raceway possibility less, also can satisfy more use trades, further improves bearing 22's life.
Specifically, fan body 1 still includes axle head clamp plate 13, axle head clamp plate 13 is equipped with the through-hole, main shaft 11 is equipped with the screw that corresponds with the through-hole, axle head clamp plate 13 passes through screw 14 with main shaft 11 and fixes, specifically does, and screw 14 passes behind the screw threaded connection in the screw in order to realize that axle head clamp plate 13 is fixed with main shaft 11. Through being provided with axle end cover plate for axle end clamp plate 13 makes things convenient for the dismouting with main shaft 11, in order to make things convenient for main shaft 11's change and maintenance.
Specifically, the fan body 1 further comprises a pump body 15 and an impeller 16, the pump cover 12 is covered on the pump body 15 to form a closed space, and the impeller 16 is located in the closed space; the main shaft 11 penetrates through the pump body 15 and is rotationally connected with the pump cover 12, and the impeller 16 is arranged on the main shaft 11 and rotates coaxially with the main shaft 11; meanwhile, the pump body 15 is sleeved with a framework oil seal 17 and a felt sealing ring 18, and the framework oil seal 17 and the felt sealing ring 18 are located between the pump body 15 and the main shaft 11 and used for filling a gap, so that the sealing degree between the main shafts 11 in the pump body 15 is increased.
Specifically, the outer end surface of the motor end cover 21 is detachably provided with a hanging ring (not shown in the figure), and the hanging ring is convenient for installation and use of the motor end cover; the bottom of fan body 1 is connected with the bottom plate (not shown in the figure), the one end that the bottom plate extends out fan body 1 is provided with the support piece that is used for bearing driving motor 2, works as the utility model discloses place when ground, because driving motor 2 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 to increase the stability in use of the bearing 22 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 (6)
1. The utility model provides a high pressure positive blower of intracavity no bearing, includes fan body (1) and driving motor (2), fan body (1) includes main shaft (11) and pump cover (12), its characterized in that: the output end of the driving motor (2) is provided with a motor end cover (21), the motor end cover (21) is provided with a bearing (22), the output shaft of the driving motor (2) and the main shaft (11) rotate coaxially, and the main shaft (11) is arranged on the bearing (22); one end of the main shaft (11) far away from the driving motor (2) penetrates through the bearing (22) and the motor end cover (21) to be rotatably connected with the pump cover (12).
2. The high pressure positive blower without a bearing in a chamber of claim 1, wherein: the fan body (1) further comprises a shaft end pressing plate (13), the shaft end pressing plate (13) is provided with a through hole, the main shaft (11) is provided with a screw hole corresponding to the through hole, and the shaft end pressing plate (13) is fixed with the main shaft (11) through a screw (14).
3. The high pressure positive blower without a bearing in a chamber of claim 1, wherein: the fan body (1) further comprises a pump body (15) and an impeller (16), the pump cover (12) is arranged on the pump body (15) in a covering mode to form a closed space, and the impeller (16) is located in the closed space; the main shaft (11) penetrates through the pump body (15) and is rotatably connected with the pump cover (12), and the impeller (16) is arranged on the main shaft (11) and rotates coaxially with the main shaft (11).
4. The high pressure positive blower without a bearing in a chamber of claim 3, wherein: the pump body (15) is sleeved with a framework oil seal (17) and a felt sealing ring (18), and the framework oil seal (17) and the felt sealing ring (18) are both located between the pump body (15) and the main shaft (11).
5. The high pressure positive blower without a bearing in a chamber of claim 1, wherein: the upper end of the motor end cover (21) is detachably provided with a hanging ring.
6. The high pressure positive blower without a bearing in a chamber of claim 1, wherein: the bottom of fan body (1) is connected with the bottom plate, the one end that the bottom plate extends fan body (1) is provided with the support piece that is used for bearing driving motor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921864665.1U CN211314599U (en) | 2019-10-31 | 2019-10-31 | High-pressure fan without bearing in cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921864665.1U CN211314599U (en) | 2019-10-31 | 2019-10-31 | High-pressure fan without bearing in cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211314599U true CN211314599U (en) | 2020-08-21 |
Family
ID=72055507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921864665.1U Active CN211314599U (en) | 2019-10-31 | 2019-10-31 | High-pressure fan without bearing in cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211314599U (en) |
-
2019
- 2019-10-31 CN CN201921864665.1U patent/CN211314599U/en active Active
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