CN211314627U - High pressure positive blower with high temperature resistant bearing structure - Google Patents
High pressure positive blower with high temperature resistant bearing structure Download PDFInfo
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- CN211314627U CN211314627U CN201921862314.7U CN201921862314U CN211314627U CN 211314627 U CN211314627 U CN 211314627U CN 201921862314 U CN201921862314 U CN 201921862314U CN 211314627 U CN211314627 U CN 211314627U
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- high temperature
- temperature resistant
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Abstract
The utility model relates to a high pressure positive blower technical field, concretely relates to high pressure positive blower with high temperature resistant bearing structure, this high pressure positive blower includes the fan body, the fan body is provided with pump cover and main shaft, the fan body still includes the bearing frame that still sets up fixedly in the pump cover and installs the mixed ceramic bearing in the bearing frame, the one end that the main shaft is close to the pump cover is installed in mixed ceramic bearing and rotates with mixing ceramic bearing coaxial, the bearing is transition fit with the bearing frame; two end faces of the mixed ceramic bearing are respectively provided with a double-sided sealing cover, and the double-sided sealing covers of the mixed ceramic bearing are made of a nitrile or fluorine rubber material. The utility model discloses a high pressure positive blower with high temperature resistant bearing structure has solved the shorter problem of life under the high temperature condition of present ordinary bearing.
Description
Technical Field
The utility model relates to a high pressure positive blower technical field, concretely relates to high pressure positive blower with high temperature resistant bearing structure.
Background
The high-pressure fan refers to a fan with the wind pressure of 30 kPa-200 KPa or the compression ratio e of 1.3-3 under the design condition, and the air ring vacuum pump is generally classified as the high-pressure fan in the current industry. The general design of the high-pressure fan is to change the grease in the bearing under the high-temperature working condition, but because the grease in the bearing can be lost under the high-temperature environment and the bearing steel is easy to form secondary tempering under the high-temperature state, the rear bearing is easy to damage under the condition, and because the bearing seat is designed in the pump body of the high-pressure fan, the water vapor of the working medium or the corrosive gas slowly enters the bearing arranged in the bearing seat; the bearing is a core precise part for supporting and driving the inside of the product, and when the bearing is worn or damaged, the whole product can be damaged, so that the service life of the whole product 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 with high temperature resistant bearing structure has solved the short problem of life under the high temperature condition of present ordinary bearing.
The utility model discloses a realize through following technical scheme:
a high-pressure fan with a high-temperature-resistant bearing structure comprises a fan body, wherein the fan body is provided with a pump cover and a main shaft, the fan body also comprises a bearing seat fixedly arranged on the pump cover and a mixed ceramic bearing arranged in the bearing seat, one end of the main shaft close to the pump cover is arranged in the mixed ceramic bearing and coaxially rotates with the mixed ceramic bearing, and the bearing is in transition fit with the bearing seat; two end faces of the mixed ceramic bearing are respectively provided with a double-sided sealing cover, and the double-sided sealing covers of the mixed ceramic bearing are made of a nitrile or fluorine rubber material.
The fan body further comprises a shaft end pressing plate, a screw hole is formed in one end, close to the pump cover, of the main shaft, a through hole corresponding to the screw hole is formed in the shaft end pressing plate, and the shaft end pressing plate is fixed with the main shaft through screws.
The fan body further comprises a pump body, the pump cover is arranged on the pump body to form a closed space, and one end, close to the pump cover, of the main shaft penetrates through the pump body and is arranged on the mixed ceramic bearing.
The spindle is sleeved with a first framework oil seal and a felt sealing ring, and the first framework oil seal and the felt sealing ring are both located between the spindle and the body.
The fan body further comprises an impeller, and the impeller and the main shaft rotate coaxially; the impeller cover is equipped with the second skeleton oil blanket, the second skeleton oil blanket is located between bearing frame and the impeller.
Wherein, a flat key is arranged between the main shaft and the impeller.
Wherein, the upper end of fan body can be dismantled and be provided with rings.
The fan body is further provided with a driving mechanism for driving the main shaft to rotate, the bottom end of the fan body is connected with a bottom plate, and a supporting piece for supporting the driving mechanism is arranged at one end, extending out of the fan body, of the bottom plate.
The utility model has the advantages that:
the problem of present ordinary bearing life is shorter under the high temperature condition is solved: the high pressure fan with the high temperature resistant bearing structure of the utility model has the advantages that the traditional bearing is replaced by the mixed ceramic bearing with the double-sided fluorine glue or the nitrile sealing cover, and the ball path of the mixed ceramic bearing is not required to be lubricated by adding grease, so that the structural design can be used in a more severe environment; and through bearing and bearing frame transition fit, make the utility model discloses a structure overall tightness is stronger, also can use for a long time facing the operating mode of high temperature, has solved the short problem of life under the high temperature condition of present ordinary 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 pump cover-11, a main shaft-12, a shaft end pressure plate-13, a screw hole-14, a pump body-15, a first framework oil seal-16, a felt sealing ring-17, an impeller-18, a second framework oil seal-19 and a flat key-10,
bearing seat-21, mixed ceramic bearing-22, hanging ring-3, driving mechanism-4, bottom plate-51 and supporting piece-52.
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 with a high temperature resistant bearing structure includes a fan body 1, the fan body 1 is provided with a pump cover 11 and a main shaft 12, the fan body 1 includes a bearing seat 21 fixedly disposed on the pump cover 11 and a mixed ceramic bearing 22 disposed in the bearing seat 21, one end of the main shaft 12 close to the pump cover 11 is disposed in the mixed ceramic bearing 22 and rotates coaxially with the mixed ceramic bearing 22, and the mixed ceramic bearing 22 is in transition fit with the bearing seat 21; two end faces of the mixed ceramic bearing 22 are respectively provided with a double-sided sealing cover (not shown in the figure), and the double-sided sealing cover of the mixed ceramic bearing 22 is made of a nitrile or fluorine rubber material.
The high pressure positive blower with high temperature resistant bearing structure of this embodiment has following effect:
the problem of present ordinary bearing life is shorter under the high temperature condition is solved: according to the high-pressure fan with the high-temperature-resistant bearing structure, the traditional bearing is replaced by the mixed ceramic bearing 22, the mixed ceramic bearing 22 is provided with the double-sided fluorine glue or the nitrile-butadiene sealing cover, and as grease is not required to be added in the roller path of the mixed ceramic bearing 22 to lubricate the bearing ball, the structural design can be used in a harsher environment; and through bearing and bearing frame 21 transition fit for the whole leakproofness of structure of embodiment is stronger, also can use for a long time facing the operating mode of high temperature, has solved the short problem of life under the high temperature condition of present ordinary bearing.
Specifically, the fan body 1 further includes a shaft end pressing plate 13, a screw hole 14 is formed in one end, close to the pump cover 11, of the main shaft 12, the shaft end pressing plate 13 is provided with a through hole (not shown in the figure) corresponding to the screw hole 14, and the shaft end pressing plate 13 and the main shaft 12 are fixed through screws, so that the shaft end pressing plate 13 and the main shaft 12 are convenient to disassemble and assemble, and replacement and maintenance of a bearing are convenient.
Specifically, fan body 1 still includes the pump body 15, pump cover 11 lid is located the pump body 15 in order to form airtight space, the pump body 15 is worn to establish and is installed in mixed ceramic bearing 22 by the one end that main shaft 12 is close to pump cover 11, simultaneously, main shaft 12 cover is equipped with first skeleton oil blanket 16 and felt sealing washer 17, first skeleton oil blanket 16 and felt sealing washer 17 all are located between main shaft 12 and fan body 1 to increase the sealed degree of main shaft 12 in the pump body 15.
Specifically, the blower body 1 further comprises an impeller 18, and the impeller 18 and the main shaft 12 rotate coaxially; the impeller 18 is sleeved with a second framework oil seal 19, the second framework oil seal 19 is positioned between the bearing seat 21 and the impeller 18, and the second framework oil seal 19 is arranged for filling a gap, so that the sealing degree between the impeller 18 and the bearing seat 21 is increased; in addition, a flat key 10 is installed between the main shaft 12 and the impeller 18, thereby increasing the stability of the connection between the main shaft 12 and the impeller 18.
Specifically, the outer end face of the fan body 1 is detachably provided with a hanging ring 3, and the hanging ring 3 is convenient for use; in this embodiment, fan body 1 still is provided with and is used for driving main shaft 12 pivoted actuating mechanism 4, fan body 1's bottom is connected with bottom plate 51, bottom plate 51 extends out one end of fan body 1 and is provided with support piece 52 that is used for bearing actuating mechanism 4, works as the utility model discloses place when ground, because actuating mechanism 4 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 52.
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 (8)
1. The utility model provides a high pressure positive blower with high temperature resistant bearing structure, includes fan body (1), fan body (1) is provided with pump cover (11) and main shaft (12), its characterized in that: the fan body (1) further comprises a bearing seat (21) fixedly arranged on the pump cover (11) and a mixed ceramic bearing (22) arranged in the bearing seat (21), one end, close to the pump cover (11), of the main shaft (12) is arranged in the mixed ceramic bearing (22) and rotates coaxially with the mixed ceramic bearing (22), and the bearing is in transition fit with the bearing seat (21); two end faces of the mixed ceramic bearing (22) are respectively provided with a double-sided sealing cover, and the double-sided sealing covers of the mixed ceramic bearing (22) are made of nitrile or fluorine rubber materials.
2. The high pressure fan with a high temperature resistant bearing structure of claim 1, wherein: the fan body (1) further comprises a shaft end pressing plate (13), a screw hole (14) is formed in one end, close to the pump cover (11), of the main shaft (12), a through hole corresponding to the screw hole (14) is formed in the shaft end pressing plate (13), and the shaft end pressing plate (13) is fixed with the main shaft (12) through screws.
3. The high pressure fan with a high temperature resistant bearing structure of claim 1, wherein: fan body (1) still includes the pump body (15), pump cover (11) lid is located the pump body (15) in order to form airtight space, pump body (15) are worn to establish and are installed in mixed ceramic bearing (22) to the one end that main shaft (12) are close to pump cover (11).
4. The high pressure fan with a high temperature resistant bearing structure of claim 1, wherein: the main shaft (12) is sleeved with a first framework oil seal (16) and a felt sealing ring (17), and the first framework oil seal (16) and the felt sealing ring (17) are both located between the main shaft (12) and the body.
5. The high pressure fan with a high temperature resistant bearing structure of claim 1, wherein: the fan body (1) further comprises an impeller (18), and the impeller (18) and the main shaft (12) rotate coaxially; impeller (18) cover is equipped with second skeleton oil blanket (19), second skeleton oil blanket (19) are located between bearing frame (21) and impeller (18).
6. The high pressure fan with a high temperature resistant bearing structure of claim 5, wherein: a flat key (10) is arranged between the main shaft (12) and the impeller (18).
7. The high pressure fan with a high temperature resistant bearing structure of claim 1, wherein: the upper end of the fan body (1) is detachably provided with a hanging ring (3).
8. The high pressure fan with a high temperature resistant bearing structure of claim 1, wherein: fan body (1) still is provided with and is used for driving main shaft (12) pivoted actuating mechanism (4), the bottom of fan body (1) is connected with bottom plate (51), the one end that bottom plate (51) extend out fan body (1) is provided with support piece (52) that are used for bearing actuating mechanism (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921862314.7U CN211314627U (en) | 2019-10-31 | 2019-10-31 | High pressure positive blower with high temperature resistant bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921862314.7U CN211314627U (en) | 2019-10-31 | 2019-10-31 | High pressure positive blower with high temperature resistant bearing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211314627U true CN211314627U (en) | 2020-08-21 |
Family
ID=72055524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921862314.7U Active CN211314627U (en) | 2019-10-31 | 2019-10-31 | High pressure positive blower with high temperature resistant bearing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211314627U (en) |
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2019
- 2019-10-31 CN CN201921862314.7U patent/CN211314627U/en active Active
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