CN108518482A - The rotary seal structure of special-shaped vacuum slot - Google Patents
The rotary seal structure of special-shaped vacuum slot Download PDFInfo
- Publication number
- CN108518482A CN108518482A CN201810596898.1A CN201810596898A CN108518482A CN 108518482 A CN108518482 A CN 108518482A CN 201810596898 A CN201810596898 A CN 201810596898A CN 108518482 A CN108518482 A CN 108518482A
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- Prior art keywords
- special
- vacuum slot
- shaped vacuum
- seat
- mounting base
- 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.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 64
- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 210000004907 gland Anatomy 0.000 claims description 21
- 238000003466 welding Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
This application discloses a kind of rotary seal structures of special-shaped vacuum slot, including motor, mounting base, welded seal seat, transmission shaft and special-shaped vacuum slot, described transmission shaft one end is sequentially connected in the output end of the motor, the mounting base is fixed on the outer wall of the special-shaped vacuum slot by the welded seal seat, the welded seal seat protrudes from the inner wall setting of the special-shaped vacuum slot, the mounting base both ends protrude from the welded seal seat setting, away from one end of the motor, the mounting base is fixed in rotation to the transmission shaft, the transmission shaft is set to the inside of the special-shaped vacuum slot away from one end of the motor, sealed set between the welded seal seat and the special-shaped vacuum slot, sealed set between the mounting base and the welded seal seat and transmission shaft.The rotary seal structure of the special-shaped vacuum slot can be applied to special-shaped vacuum slot, and sealing effect is good.
Description
Technical field
This application involves the precision machinery field of high reliability, more particularly to a kind of rotatory sealing knot of special-shaped vacuum slot
Structure.
Background technology
At this stage, vacuum rotatory sealing structure is mainly sealed using multigroup sealing ring, and the design structure is complicated, machines energy
It is uneven that power requires high, sealing ring to bear rotary seal poor performance, lubrication, processing and manufacturing is of high cost, assembly when it is complicated for operation, it is more
Sealing performance deteriorates after secondary action, other component structurals caused by the structure are complicated, and leak rate is high, and flexibility is poor.In addition
Existing vacuum rotatory sealing structure is suitable for the vacuum tank of regular texture more, when vacuum tank is irregular shape, existing vacuum
Rotary seal structure can not use.So needing to propose to improve.
Invention content
The purpose of the present invention is to provide a kind of rotary seal structure of special-shaped vacuum slot, with overcome it is in the prior art not
Foot.
To achieve the above object, the present invention provides the following technical solutions：
The embodiment of the present application discloses a kind of rotary seal structure of special-shaped vacuum slot, including motor, mounting base, welding are close
Seat, transmission shaft and special-shaped vacuum slot are sealed, described transmission shaft one end is sequentially connected in the output end of the motor, the mounting base
The outer wall of the special-shaped vacuum slot is fixed on by the welded seal seat, the welded seal seat protrudes from the special-shaped vacuum
The inner wall of slot is arranged, and the mounting base both ends protrude from the welded seal seat setting, and the transmission shaft deviates from the motor
One end rotation be fixed on the mounting base, the transmission shaft is set to the special-shaped vacuum slot away from one end of the motor
Inside, sealed set between the welded seal seat and the special-shaped vacuum slot, the mounting base and the welded seal seat and
Sealed set between transmission shaft.
Preferably, in the rotary seal structure of above-mentioned special-shaped vacuum slot, the welded seal seat includes disk-like structure
Inner seat and outer seat, the inner seat protruded out first boss, the first boss close to the primary of the special-shaped vacuum slot
The inner wall of the special-shaped vacuum slot is convexedly stretched in, the first boss and the inner wall sealing of the special-shaped vacuum slot weld, described outer
Cover for seat be set to the inner seat periphery, sealing welding between the outer seat and the inner seat, the outer end of the outer seat with it is described
The outer end of inner seat flushes, the inner face of outer seat sealing welding corresponding with the outer wall of special-shaped vacuum slot.
Preferably, in the rotary seal structure of above-mentioned special-shaped vacuum slot, the mounting base close to the motor one
End has protruded outward second boss, recessed several counterbores in the second boss, the welded seal seat outer end face be recessed with
The tapped blind hole that the counterbore is correspondingly arranged, the counterbore is interior to be equipped with fixing bolt, and the mounting base passes through the fixing bolt
The tapped blind hole is coordinated to be fixed on the welded seal seat, the second boss is close to a side end face of the welded seal seat
The first sealing ring is equipped between the welded seal seat.
Preferably, in the rotary seal structure of above-mentioned special-shaped vacuum slot, between the transmission shaft and the mounting base
Equipped with bearing.
Preferably, in the rotary seal structure of above-mentioned special-shaped vacuum slot, the mounting base both ends pass through first respectively
Gland and the second gland are equipped with the first backbone sealing ring and the second backbone sealing ring, first backbone sealing ring and the second skeleton
Sealing ring is correspondingly arranged with the transmission shaft.
Preferably, in the rotary seal structure of above-mentioned special-shaped vacuum slot, the mounting base is close to the end of the motor
Face is recessed with the first groove, and first gland is fixed in first groove, first gland and the mounting base it
Between be equipped with the second sealing ring.
Preferably, in the rotary seal structure of above-mentioned special-shaped vacuum slot, the mounting base is located at the special-shaped vacuum
End in slot is recessed with the second groove, second gland close to the side end face axial of the mounting base be convexly equipped with it is described
The third boss that second groove is correspondingly arranged, the third raised head face are recessed with annular third groove, in the third groove
Equipped with third sealing ring.
Compared with the prior art, the advantages of the present invention are as follows：The vacuum rotatory sealing structure is simple in structure, can ensure very
It in empty slot while vacuum degree, transmits rotational power in vacuum tank, using welded seal seat, by the vacuum rotatory sealing knot
Structure is fixed on special-shaped vacuum slot, while sealed set between welded seal seat and special-shaped vacuum slot, it is ensured that sealing effect.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments described in application, for those of ordinary skill in the art, without creative efforts,
Other drawings may also be obtained based on these drawings.
Fig. 1 show the structural schematic diagram of the rotary seal structure of special-shaped vacuum slot in the specific embodiment of the invention.
Fig. 2 show in Fig. 1 the enlarged diagram at I.
Fig. 3 show the structural schematic diagram of welded seal seat in the specific embodiment of the invention.
Fig. 4 show the structural schematic diagram of mounting base in the specific embodiment of the invention.
Fig. 5 show the structural schematic diagram of the first gland in the specific embodiment of the invention.
Fig. 6 show the structural schematic diagram of the second gland in the specific embodiment of the invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out detailed retouch
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, the every other implementation that those of ordinary skill in the art are obtained without making creative work
Example, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated structure or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Join shown in Fig. 1 to Fig. 6, the rotary seal structure of the special-shaped vacuum slot in the present embodiment, including motor 100, installation
Seat 200, welded seal seat 300, transmission shaft 400 and special-shaped vacuum slot 500,400 one end of transmission shaft are sequentially connected in motor 100
Output end, mounting base 200 is fixed on the outer wall of special-shaped vacuum slot 500 by welded seal seat 300, and welded seal seat 300 is prominent
Inner wall for special-shaped vacuum slot 500 is arranged, and 200 both ends of mounting base protrude from the setting of welded seal seat 300, transmission shaft 400
Away from one end of motor 100, mounting base 200 is fixed in rotation, and transmission shaft 400 is set to special-shaped vacuum away from one end of motor 100
The inside of slot, sealed set between welded seal seat 300 and special-shaped vacuum slot, mounting base 200 and welded seal seat 300 and transmission
Sealed set between axis 400.
In the technical solution, the connection between motor and transmission shaft belongs to the prior art, does not just repeat one by one herein, leads to
Cross welded seal seat and the vacuum rotatory sealing structure be fixed on special-shaped vacuum slot, at the same welded seal seat and special-shaped vacuum slot it
Between sealed set, it is ensured that sealing effect, the vacuum rotatory sealing structure is simple in structure, can ensure vacuum tank in vacuum degree it is same
When, it transmits rotational power in vacuum tank.
Further, welded seal seat 300 includes the inner seat 310 and outer seat 320 of disk-like structure, and inner seat 310 is close to abnormity
The primary of vacuum tank has protruded out first boss 311, and first boss 311 convexedly stretches in the inner wall of special-shaped vacuum slot, first boss 311 with
The inner wall sealing of special-shaped vacuum slot welds, and outer seat 320 is sheathed on the periphery of inner seat 310, close between outer seat 320 and inner seat 310
Soldering and sealing connects, and the outer end of outer seat 320 is flushed with the outer end of inner seat 310, and the inner face of outer seat 320 is corresponding with the outer wall of special-shaped vacuum slot
Sealing welding.
In the technical solution, inner seat central fovea be equipped with through-hole corresponding with mounting base, the shape of the inner face of outer seat with it is different
The outer wall of shape vacuum tank suits completely, and first boss 311 and the inner wall sealing of special-shaped vacuum slot weld, the inner face of outer seat 320
Dual-seal is formed between sealing welding corresponding with the outer wall of special-shaped vacuum slot, i.e. welded seal seat and special-shaped vacuum slot, it is ensured that
Sealing effect.
Further, mounting base 200 has protruded outward second boss 210, second boss 210 close to one end of motor 100
Interior recessed several counterbores 211,300 outer end face of welded seal seat are recessed with the tapped blind hole 312 being correspondingly arranged with counterbore 211, sink
It is equipped with fixing bolt (not shown) in hole 211, it is close that mounting base 200 by fixing bolt matching thread blind hole 312 is fixed on welding
Seat 300 is sealed, second boss 210 is equipped with the first sealing between a side end face and welded seal seat 300 for welded seal seat 300
Circle 212.
In the technical solution, tapped blind hole ensures the sealing effect between welded seal seat and special-shaped vacuum slot, and first is close
Seal 212 makes sealed set between mounting base and welded seal seat, it is ensured that the integral sealing of the vacuum rotatory sealing structure is imitated
Fruit.
Further, bearing 600 is equipped between transmission shaft 400 and mounting base 200.
In the technical solution, mounting base center is equipped with stepped hole, and transmission shaft is rotatably dispose in by bearing in stepped hole, axis
The projection portion axial restraint by axis clamp spring, hole card spring and transmission shaft is held, belongs to the prior art, does not just go to live in the household of one's in-laws on getting married one by one herein
It states, ensures the smooth and steady of transmission shaft rotation by the way that bearing is arranged.
Further, it is close to be equipped with the first skeleton by the first gland 700 and the second gland 800 respectively for 200 both ends of mounting base
Seal 710 and the second backbone sealing ring 810, the first backbone sealing ring 710 and the second backbone sealing ring 810 and transmission shaft 400 are right
It should be arranged.
In the technical solution, the first gland 700 and 800 center of the second gland are recessed with stepped hole respectively, are respectively intended to pacify
The first backbone sealing ring and the second backbone sealing ring are filled, the first backbone sealing ring and the second backbone sealing ring inner ring sealing shroud are set to
The setting of transmission shaft, the first backbone sealing ring and the second backbone sealing ring ensures the sealing between mounting base and transmission shaft, skeleton
Sealing ring is suitable for the sealing situation of rotation, and the first backbone sealing ring and the second backbone sealing ring can be with used aloneds, can also
It is multiple to be applied in combination.
Further, mounting base 200 is recessed with the first groove 213 close to the end face of motor 100, and the first gland 700 is fixed
In in the first groove 213, the second sealing ring 720 is equipped between the first gland 700 and mounting base 200.
In the technical solution, the setting of the second sealing ring ensures the sealing between the first gland and mounting base.
Further, mounting base 200 is located at the end in special-shaped vacuum slot and is recessed with the second groove 220, the second gland 800
Side end face axial close to mounting base 200 is convexly equipped with the third boss 820 being correspondingly arranged with the second groove, third boss 820
End face is recessed with annular third groove, and third sealing ring 830 is equipped in third groove.
In the technical solution, the setting of third sealing ring ensures the sealing between the second gland and mounting base.
In conclusion.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above is only the specific implementation mode of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection domain of the application.
Claims (7)
1. a kind of rotary seal structure of special-shaped vacuum slot, which is characterized in that including motor, mounting base, welded seal seat, transmission
Axis and special-shaped vacuum slot, described transmission shaft one end are sequentially connected in the output end of the motor, and the mounting base passes through described
Welded seal seat is fixed on the outer wall of the special-shaped vacuum slot, and the welded seal seat protrudes from the inner wall of the special-shaped vacuum slot
Setting, the mounting base both ends protrude from the welded seal seat setting, and the transmission shaft turns away from one end of the motor
Dynamic to be fixed on the mounting base, the transmission shaft is set to the inside of the special-shaped vacuum slot, institute away from one end of the motor
State sealed set between welded seal seat and the special-shaped vacuum slot, the mounting base and the welded seal seat and transmission shaft it
Between sealed set.
2. the rotary seal structure of special-shaped vacuum slot according to claim 1, it is characterised in that：The welded seal seat packet
The inner seat of disk-like structure and outer seat are included, the inner seat has protruded out first boss close to the primary of the special-shaped vacuum slot, institute
The inner wall that first boss convexedly stretches in the special-shaped vacuum slot is stated, the first boss and the inner wall sealing of the special-shaped vacuum slot weld
It connects, the outer cover for seat is set on the periphery of the inner seat, sealing welding between the outer seat and the inner seat, outside the outer seat
End is flushed with the outer end of the inner seat, the inner face of outer seat sealing welding corresponding with the outer wall of special-shaped vacuum slot.
3. the rotary seal structure of special-shaped vacuum slot according to claim 1, it is characterised in that：The mounting base is close to institute
The one end for stating motor has protruded outward second boss, recessed several counterbores in the second boss, welded seal seat outer end
Face is recessed with the tapped blind hole being correspondingly arranged with the counterbore, is equipped with fixing bolt in the counterbore, the mounting base passes through institute
Stating fixing bolt coordinates the tapped blind hole to be fixed on the welded seal seat, and the second boss is close to the welded seal seat
A side end face and the welded seal seat between be equipped with the first sealing ring.
4. the rotary seal structure of special-shaped vacuum slot according to claim 1, it is characterised in that：The transmission shaft with it is described
Bearing is equipped between mounting base.
5. the rotary seal structure of special-shaped vacuum slot according to claim 1, it is characterised in that：The mounting base both ends point
The first backbone sealing ring and the second backbone sealing ring, first backbone sealing ring are not equipped with by the first gland and the second gland
It is correspondingly arranged with the second backbone sealing ring and the transmission shaft.
6. the rotary seal structure of special-shaped vacuum slot according to claim 5, it is characterised in that：The mounting base is close to institute
The end face for stating motor is recessed with the first groove, and first gland is fixed in first groove, first gland and institute
It states and is equipped with the second sealing ring between mounting base.
7. the rotary seal structure of special-shaped vacuum slot according to claim 5, it is characterised in that：The mounting base is located at institute
It states the end in special-shaped vacuum slot and is recessed with the second groove, second gland is convex close to the side end face axial of the mounting base
Equipped with the third boss being correspondingly arranged with second groove, the third raised head face is recessed with annular third groove, described
Third sealing ring is equipped in third groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810596898.1A CN108518482A (en) | 2018-06-11 | 2018-06-11 | The rotary seal structure of special-shaped vacuum slot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810596898.1A CN108518482A (en) | 2018-06-11 | 2018-06-11 | The rotary seal structure of special-shaped vacuum slot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108518482A true CN108518482A (en) | 2018-09-11 |
Family
ID=63428213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810596898.1A Pending CN108518482A (en) | 2018-06-11 | 2018-06-11 | The rotary seal structure of special-shaped vacuum slot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108518482A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043314A (en) * | 2019-12-28 | 2020-04-21 | 江苏玖玖嘉一超声科技有限公司 | Rotary sealing structure of special-shaped vacuum groove |
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2018
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| US20140224030A1 (en) * | 2011-09-07 | 2014-08-14 | Commissariat à I'énergie atomique et aux énergies alternatives | Device for the Relative Displacement of Two Parts Under Differential Pressure |
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| US20150295466A1 (en) * | 2012-11-01 | 2015-10-15 | Germán GONZÁLES BERNAL | Method for sealing electric motors for the application of lubrication by mist |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111043314A (en) * | 2019-12-28 | 2020-04-21 | 江苏玖玖嘉一超声科技有限公司 | Rotary sealing structure of special-shaped vacuum groove |
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