CN209705068U - A kind of wavy metal seal of tube vacuum rotating inducting device - Google Patents
A kind of wavy metal seal of tube vacuum rotating inducting device Download PDFInfo
- Publication number
- CN209705068U CN209705068U CN201920116238.9U CN201920116238U CN209705068U CN 209705068 U CN209705068 U CN 209705068U CN 201920116238 U CN201920116238 U CN 201920116238U CN 209705068 U CN209705068 U CN 209705068U
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- China
- Prior art keywords
- bearing
- crankshaft
- output shaft
- flange seat
- metal seal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000002184 metal Substances 0.000 title claims abstract description 14
- 238000003466 welding Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 9
- 230000033001 locomotion Effects 0.000 abstract description 7
- 230000008676 import Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000004021 metal welding Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
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- Sealing Devices (AREA)
Abstract
The utility model discloses a kind of wavy metal seal of tube vacuum rotating inducting devices, belong to technical field of vacuum equipment.The shell rear and front end is respectively arranged with flange seat and rear support, output shaft is provided in the middle part of the flange seat, and axle sleeve is provided on output shaft, the axle sleeve front and rear sides are provided with first bearing, and first bearing is fixed between output shaft and flange seat, the wavy metal seal of tube vacuum rotating inducting device passes through driving lid, rear support, crankshaft cooperates to transmit machine power, metal welding bellows carries out welded seal, vacuum rotating import feature is realized by the sealing cooperation transmission of crankshaft of flexible metal bellows, it seals more reliable, suitable for ultrahigh vacuum equipment；It is more extensive using temperature environment, high-temperature baking resistant, low temperature resistant environment；The resistance of motion is small, is applicable to high-speed rotating device；Driving stablizes, is reliable, long service life, thus the technical issues of efficiently solving traditional rubber dynamic sealing.
Description
Technical field
The utility model relates to a kind of wavy metal seal of tube vacuum rotating inducting devices, belong to technical field of vacuum equipment.
Background technique
With society and the reach of science progress, vacuum technique is used in all trades and professions in society.Vacuum application is
Refer to and completes certain particular tasks using the physical environment of low density gas.The application range of vacuum is extremely wide, be broadly divided into low vacuum, in
Vacuum, high vacuum and ultrahigh vacuum application.
While vacuum equipment is widely used, all kinds of vacuum function devices are also used with band.Wherein vacuum rotating is led
Entering device is exactly a kind of widely used vacuum function device, and function is that the rotary motion outside vacuum chamber is transmitted to vacuum
Chamber interior.Traditional vacuum rotating gatherer is the design method using the close dynamic sealing of rubber.Rubber is used in dynamic sealing
Glue sealing ring is to guarantee sealing performance by given stretching and compressive deformation, for reducing friction resistance, usual decrement
It is smaller than fixing seal.However the material of rubber ring and inevitable problem is brought to such device using special type, first is that using
Environment temperature is limited, and hot environment can melt, and low temperature environment can harden；Second is that service life is short, frequently friction is easily worn；Three
It is that the resistance of motion is big, the deformation compressive zone of rubber seal carrys out very big frictional resistance, as a consequence it is hardly possible to realize rotation axis high speed
Rotation.
Utility model content
In view of the above-mentioned problems, the technical problem to be solved by the present invention is to provide a kind of rotations of wavy metal seal of tube vacuum
Turn inducting device.
The wavy metal seal of tube vacuum rotating inducting device of the utility model, it includes output shaft, flange seat, first axle
Hold, shell, welding bellows, rear support, driving lid, bolt, internal jump ring, axle sleeve, crankshaft, pin, outer circlip, second bearing and after
Bearing block, the shell rear and front end are respectively arranged with flange seat and rear support, are provided with output shaft in the middle part of the flange seat, and
Axle sleeve is provided on output shaft, the axle sleeve front and rear sides are provided with first bearing, and first bearing is fixed on output shaft
Between flange seat, it is provided with internal jump ring on the outside of the first bearing of front side, the interior of shell is provided with welding bellows,
And welding bellows is internally provided with crankshaft, the crankshaft front end is flexibly connected by pin with output shaft, after crankshaft rear end passes through
Bearing block is connect with rear support, and the rear support rear end is fixedly connected by bolt with driving 7.
Preferably, the welding bellows rear and front end respectively with flange seat and rear bearing block welded seal.
Preferably, second bearing is provided between the rear bearing block and crankshaft and rear support.
Preferably, outer circlip is provided on the outside of the second bearing between the crankshaft and rear bearing block.
Compared with prior art, the utility model has the beneficial effects that the wavy metal seal of tube vacuum rotating inducting device
Machine power is transmitted by driving lid, rear support, crankshaft cooperation, metal welding bellows carries out welded seal, by flexibility
The sealing of metal bellows cooperates transmission of crankshaft to realize vacuum rotating import feature, and sealing is more reliable, is suitable for ultrahigh vacuum
Equipment；It is more extensive using temperature environment, high-temperature baking resistant, low temperature resistant environment；The resistance of motion is small, is applicable to high-speed rotating
Device；Driving stablizes, is reliable, long service life, thus the technical issues of efficiently solving traditional rubber dynamic sealing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Appended drawing reference: output shaft 1, flange seat 2, first bearing 3, shell 4, welding bellows 5, rear support 6, driving lid 7,
Bolt 8, internal jump ring 9, axle sleeve 10, crankshaft 11, pin 12, outer circlip 13, second bearing 14, rear bearing block 15.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, present embodiment uses following technical scheme: it includes output shaft 1, flange seat 2, first axle
Hold 3, shell 4, welding bellows 5, rear support 6, driving lid 7, bolt 8, internal jump ring 9, axle sleeve 10, crankshaft 11, pin 12, outer circlip
13, second bearing 14 and rear bearing block 15,4 rear and front end of shell are respectively arranged with flange seat 2 and rear support 6,2 middle part of flange seat
It is provided with output shaft 1, and is provided with axle sleeve 10 on output shaft 1,10 front and rear sides of axle sleeve are provided with first bearing 3, and first axle
It holds 3 to be fixed between output shaft 1 and flange seat 2, is provided with internal jump ring 9 on the outside of the first bearing 3 of front side, inside shell 4
Be provided with welding bellows 5, and welding bellows 5 is internally provided with crankshaft 11,5 rear and front end of welding bellows respectively with flange
Seat 2 and 15 welded seal of rear bearing block, good airproof performance, cooperation crankshaft 11 is driven to realize that vacuum rotating imports, before crankshaft 11
End is flexibly connected by pin 12 with output shaft 1, and 11 rear end of crankshaft is connect by rear bearing block 15 with rear support 6, after rear support 6
End is fixedly connected by bolt 8 with driving lid 7, and the second axis is provided between rear bearing block 15 and crankshaft 11 and rear support 6
14 are held, outer circlip 13 is provided on the outside of the second bearing 14 between crankshaft 11 and rear bearing block 15.
Working principle: when work, rotate driving lid 7, driving lid 7 is connect with rear support 6 by bolt 8, drives 6 turns of rear support
Dynamic, the bearing hole location in rear support 6 rotates, and drives 15 circuit oscillation of rear bearing block, the song inside rear bearing block 15
Axis 11 follows rear bearing block 15 to be circumferentially rotated, and output shaft 1 is connect with crankshaft 11 by pin 11, and crankshaft 11 circumferentially rotates, and is driven
1 rotation of output shaft, first bearing 3 and second bearing 14 reduce the coefficient of friction in motion process therebetween, and welding bellows 5 is then
With 15 welded seal of flange seat 2 and rear bearing block, the rotary motion outside vacuum is so just converted into the rotation of evacuated interior
Movement.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of wavy metal seal of tube vacuum rotating inducting device, it is characterised in that: it include output shaft (1), flange seat (2),
First bearing (3), shell (4), welding bellows (5), rear support (6), driving lid (7), bolt (8), internal jump ring (9), axle sleeve
(10), crankshaft (11), pin (12), outer circlip (13), second bearing (14) and rear bearing block (15), shell (4) front and back two
End is respectively arranged with flange seat (2) and rear support (6), is provided with output shaft (1) in the middle part of the flange seat (2), and output shaft (1)
On be provided with axle sleeve (10), axle sleeve (10) front and rear sides are provided with first bearing (3), and first bearing (3) installation fix
Between output shaft (1) and flange seat (2), internal jump ring (9), the shell are provided on the outside of the first bearing (3) of front side
(4) it is internally provided with welding bellows (5), and welding bellows (5) is internally provided with crankshaft (11), crankshaft (11) front end
It is flexibly connected by pin (12) with output shaft (1), crankshaft (11) rear end is connect by rear bearing block (15) with rear support (6), institute
It states rear support (6) rear end and is fixedly connected by bolt (8) with driving lid (7).
2. a kind of wavy metal seal of tube vacuum rotating inducting device according to claim 1, it is characterised in that: the welding
Bellows (5) rear and front end respectively with flange seat (2) and rear bearing block (15) welded seal.
3. a kind of wavy metal seal of tube vacuum rotating inducting device according to claim 1, it is characterised in that: the rear axle
It holds and is provided with second bearing (14) between seat (15) and crankshaft (11) and rear support (6).
4. a kind of wavy metal seal of tube vacuum rotating inducting device according to claim 3, it is characterised in that: the crankshaft
(11) outer circlip (13) are provided on the outside of the second bearing (14) between rear bearing block (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920116238.9U CN209705068U (en) | 2019-01-23 | 2019-01-23 | A kind of wavy metal seal of tube vacuum rotating inducting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920116238.9U CN209705068U (en) | 2019-01-23 | 2019-01-23 | A kind of wavy metal seal of tube vacuum rotating inducting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209705068U true CN209705068U (en) | 2019-11-29 |
Family
ID=68640217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920116238.9U Expired - Fee Related CN209705068U (en) | 2019-01-23 | 2019-01-23 | A kind of wavy metal seal of tube vacuum rotating inducting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209705068U (en) |
-
2019
- 2019-01-23 CN CN201920116238.9U patent/CN209705068U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |