CN213243706U - Sealing structure for rotation in vacuum tank - Google Patents
Sealing structure for rotation in vacuum tank Download PDFInfo
- Publication number
- CN213243706U CN213243706U CN202022521965.9U CN202022521965U CN213243706U CN 213243706 U CN213243706 U CN 213243706U CN 202022521965 U CN202022521965 U CN 202022521965U CN 213243706 U CN213243706 U CN 213243706U
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- Prior art keywords
- motor
- installation piece
- jar body
- pivot
- cylindrical roller
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Abstract
The utility model discloses a seal structure of vacuum tank internal rotation, including motor, pivot, motor installation piece, jar body installation piece and jar body wall, motor and motor installation piece are installed in the pivot outside, motor installation piece is kept away from motor one side and is installed a jar body installation piece, jar body installation piece is kept away from motor installation piece one side and is installed a jar body wall, motor installation piece is located and is provided with dustproof end cover and cylindrical roller bearing between motor one end and the pivot, be provided with oil blanket and retaining ring between the motor installation piece other end and the pivot, install O type circle on the dustproof end cover. The utility model has the advantages that the double oil seals are arranged on the rotating shaft, which can play the role of air separation; the two cylindrical roller bearings can keep the rotating stability, and sealing rings are added between all structural parts to increase the sealing property; the double oil seals are attached and installed in a back-to-back mode, the oil seals are limited on two sides by check rings to prevent the oil seals from moving in the operation process, and the outer sides of the cylindrical roller bearings are limited by dustproof end covers.
Description
Technical Field
The utility model relates to a vacuum apparatus revolution mechanic technical field specifically is a seal structure of vacuum tank internal rotation.
Background
In present vacuum apparatus, the vacuum tank body is equipped with external motor and interior frock revolution mechanic, and the design is complicated, and the leakproofness is poor, and the rotating part can be through pivot and coupling part pressure release in service, destroys the vacuum environment, influences the equipment performance, leads to the fact the potential safety hazard even.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a seal structure of vacuum tank internal rotation to solve the problem among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a seal structure of internal rotation of vacuum tank, includes motor, pivot, motor installation piece, jar body installation piece and jar body wall, motor and motor installation piece are installed in the pivot outside, motor installation piece is kept away from motor one side and is installed a jar body installation piece, jar body installation piece is kept away from motor installation piece one side and is installed jar body wall, motor installation piece is located and is provided with dustproof end cover and cylindrical roller bearing between motor one end and the pivot, be provided with oil blanket and retaining ring between the motor installation piece other end and the pivot, install O type circle on the dustproof end cover.
Preferably, the number of the oil seals is two, the number of the check rings is two, and the two check rings are respectively located on two sides of the oil seal.
Preferably, the number of the cylindrical roller bearings is two, and the dustproof end cover is positioned on one side, far away from the oil seal, of the cylindrical roller bearing.
Preferably, a sealing ring is arranged between the motor mounting block and the tank body mounting block, and the motor mounting block is connected with the tank body mounting block through a screw.
Preferably, the sealing ring is an O-shaped ring.
Preferably, the tank body mounting block and the tank body wall are fixed through welding.
Compared with the prior art, the beneficial effects of the utility model are that: the rotating shaft is provided with the double oil seals, so that the effect of blocking air can be achieved; the two cylindrical roller bearings can keep the rotating stability, and sealing rings are added between all structural parts to increase the sealing property; the two oil seals are installed in a back-to-back attaching mode, the oil seals are limited by check rings at two sides and prevent the oil seals from moving in the operation process, the dustproof end cover is limited at the outer side of the cylindrical roller bearing, the dustproof end cover is provided with an O-shaped ring for sealing and preventing dust, the tank installation block and the tank wall are prevented from being leaked in a double-sided full-welding mode, the motor installation block and the tank installation block are connected through screws, and a sealing ring is added.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a front view of the present invention.
Fig. 2 is a cross-sectional view of the utility model at a-a.
Fig. 3 is a side view of the present invention.
In the figure: 1. a motor; 2. a rotating shaft; 3. a dust-proof end cover; 4. a cylindrical roller bearing; 5. a motor mounting block; 6. a seal ring; 7. a tank body mounting block; 8. the wall of the tank body; 9. oil sealing; 10. and a retainer ring.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, in the embodiment of the present invention, a rotary sealing structure in a vacuum tank includes a motor 1, a rotating shaft 2, a motor mounting block 5, a tank mounting block 7 and a tank wall 8, the motor 1 and the motor mounting block 5 are mounted outside the rotating shaft 2, the tank mounting block 7 is mounted on the side of the motor mounting block 5 away from the motor 1, the tank wall 8 is mounted on the side of the tank mounting block 7 away from the motor mounting block 5, a dust-proof end cap 3 and a cylindrical roller bearing 4 are disposed between one end of the motor 1 and the rotating shaft 2 of the motor mounting block 5, an oil seal 9 and a retainer ring 10 are disposed between the other end of the motor mounting block 5 and the rotating shaft 2, the dust-proof end cap 3 is mounted with two O-rings, the oil seals 9 are disposed in total, the retainer rings 10 are disposed in total, and the, the two cylindrical roller bearings 4 are arranged, the dustproof end cover 3 is positioned on one side, far away from the oil seal 9, of the cylindrical roller bearing 4, a sealing ring 6 is arranged between the motor mounting block 5 and the tank body mounting block 7, the motor mounting block 5 is connected with the tank body mounting block 7 through screws, the sealing ring 6 is an O-shaped ring, and the tank body mounting block 7 and the tank body wall 8 are fixed through welding; the rotating shaft 2 is provided with double oil seals which can play a role in blocking air; the two cylindrical roller bearings 4 can keep the rotating stability, and sealing rings are added between all structural parts to increase the sealing property; the installation of two oil blanket laminating dorsad, 9 both sides of oil blanket are spacing with retaining ring 10 prevent operation in-process oil blanket 9 cluster move, and cylindrical roller bearing 4 outside is spacing with dustproof end cover 3, and it is sealed dustproof to have O type circle on the dustproof end cover 3, and jar body installation piece 7 is prevented leaking with jar body wall 8 two-sided full welding, and screw connection, the centre adds the sealing washer between motor installation piece 5 and the jar body installation piece 7.
The utility model discloses a theory of operation is: the rotating shaft 2 is provided with double oil seals which can play a role in blocking air; the two cylindrical roller bearings 4 can keep the rotating stability, and sealing rings are added between all structural parts to increase the sealing property; the installation of two oil blanket laminating dorsad, 9 both sides of oil blanket are spacing with retaining ring 10 prevent operation in-process oil blanket 9 cluster move, and cylindrical roller bearing 4 outside is spacing with dustproof end cover 3, and it is sealed dustproof to have O type circle on the dustproof end cover 3, and jar body installation piece 7 is prevented leaking with jar body wall 8 two-sided full welding, and screw connection, the centre adds the sealing washer between motor installation piece 5 and the jar body installation piece 7.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a seal structure of internal rotation of vacuum tank, includes motor (1), pivot (2), motor installation piece (5), jar body installation piece (7) and jar body wall (8), its characterized in that: motor (1) and motor installation piece (5) are installed in pivot (2) outside, motor installation piece (5) are kept away from motor (1) one side and are installed a jar body installation piece (7), jar body installation piece (7) are kept away from motor installation piece (5) one side and are installed jar body wall (8), motor installation piece (5) are located and are provided with dust cover (3) and cylindrical roller bearing (4) between motor (1) one end and pivot (2), be provided with oil blanket (9) and retaining ring (10) between motor installation piece (5) other end and pivot (2), install O type circle on dust cover (3).
2. A rotary seal structure in a vacuum tank according to claim 1, wherein: the oil seal (9) is provided with two, the check rings (10) are provided with two, and the two check rings (10) are respectively located on two sides of the oil seal (9).
3. A rotary seal structure in a vacuum tank according to claim 1, wherein: the cylindrical roller bearing (4) is provided with two, and the dustproof end cover (3) is located on one side, away from the oil seal (9), of the cylindrical roller bearing (4).
4. A rotary seal structure in a vacuum tank according to claim 1, wherein: a sealing ring (6) is arranged between the motor mounting block (5) and the tank body mounting block (7), and the motor mounting block (5) is connected with the tank body mounting block (7) through screws.
5. A rotary seal structure in a vacuum tank according to claim 4, wherein: the sealing ring (6) adopts an O-shaped ring.
6. A rotary seal structure in a vacuum tank according to claim 1, wherein: the tank body installation block (7) and the tank body wall (8) are fixed through welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022521965.9U CN213243706U (en) | 2020-11-04 | 2020-11-04 | Sealing structure for rotation in vacuum tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022521965.9U CN213243706U (en) | 2020-11-04 | 2020-11-04 | Sealing structure for rotation in vacuum tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213243706U true CN213243706U (en) | 2021-05-18 |
Family
ID=75882463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022521965.9U Active CN213243706U (en) | 2020-11-04 | 2020-11-04 | Sealing structure for rotation in vacuum tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213243706U (en) |
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2020
- 2020-11-04 CN CN202022521965.9U patent/CN213243706U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |