CN205841747U - A kind of contact type dry operating seals - Google Patents
A kind of contact type dry operating seals Download PDFInfo
- Publication number
- CN205841747U CN205841747U CN201620611713.6U CN201620611713U CN205841747U CN 205841747 U CN205841747 U CN 205841747U CN 201620611713 U CN201620611713 U CN 201620611713U CN 205841747 U CN205841747 U CN 205841747U
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- ring
- axle sleeve
- contact type
- type dry
- stationary
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Abstract
This utility model relates to technical field of sealing technology, seals particularly to a kind of contact type dry operating；Including being arranged on ring flange, sealing structure between end cap and housing, it is provided with axle sleeve in described rotating shaft, described sealing structure includes the stationary seat being fixedly mounted on housing, the spring base being fixedly set on axle sleeve and the sealing pair and the elastic parts that are symmetricly set on spring base both sides, described sealing pair includes rotating ring and the stationary ring matched by seal face, described rotating ring is all set on spring base, elastic parts acts on and makes rotating ring fit tightly with the seal face of stationary ring on rotating ring end face, described both sides stationary ring is respectively and fixedly installed on stationary seat and ring flange, it is provided with bearing between described stationary seat and axle sleeve.This utility model is applicable to dry conditions, and material does not allow sealing fluid to pollute, and equipment precision is poor, the operating mode that equipment rotating speed is relatively low, and service life is long, and sealing effectiveness is preferable, and blanket gas consumption is extremely low.
Description
Technical field
This utility model relates to technical field of sealing technology, need not lubrication particularly to one in sealing operation process, suitable
For source of the gas, the inadequate operating mode in water source or be not allow within liquid access arrangement contact type dry operating seal.
Background technology
Along with industries such as the development of modern science and technology, chemical industry, pharmacy, food, material multiformity grows with each passing day.Contact type dry is transported
Turning with its scope of application widely, the highest to equipment requirements, control system is various, it might even be possible to need not control system, is not required to
Want lubricant medium to run, be highly suitable for lubricant medium requirement strict, and there is no the operating mode of proper lubrication medium.In phase
With under operating mode, quantity of gas leakage only has the part or 1/10th of dry gas seals, and being highly suitable for that vacuum has must
The equipment asked.
Utility model content
The purpose of this utility model is to provide one to be applicable to dry conditions, and material does not allow sealing fluid to pollute, set
The standby operating mode that precision is poor, equipment rotating speed is relatively low, service life length, the operating of sealing effectiveness preferable contact type dry seals.
For solving above-mentioned technical problem, this utility model have employed techniques below scheme:
A kind of contact type dry operating seals, including the sealing structure being arranged between ring flange, end cap and housing, and described turn
Being provided with axle sleeve on axle, described sealing structure includes the stationary seat being fixedly mounted on housing, the bullet being fixedly set on axle sleeve
Spring abutment and the sealing pair and the elastic parts that are symmetricly set on spring base both sides, described sealing pair includes being matched by seal face
Rotating ring and stationary ring, described rotating ring is all set on spring base, and elastic parts acts on and makes rotating ring and stationary ring on rotating ring end face
Seal face fits tightly, and described both sides stationary ring is respectively and fixedly installed on stationary seat and ring flange, described stationary seat and axle sleeve
Between be provided with bearing.
In technique scheme, further, described elastic parts includes the spring being arranged on spring base and is arranged on
The throw-out collar of both ends of the spring, described throw-out collar is respectively acting on rotating ring end face under the action of the spring.
In technique scheme, further, between described stationary seat and axle sleeve, be provided with between end cap and axle sleeve close
Sealing.
In technique scheme, further, it is provided with floating seal ring between described rotating ring and spring base.
In technique scheme, further, described axle sleeve being respectively arranged with at bearing two ends back-up ring, described back-up ring will
Bearing is fixedly mounted on axle sleeve.
In technique scheme, further, described spring base being provided with guide plate, described guide plate is in the axial direction
Arrange, match with the rotating ring outer face of spring base both sides.
In technique scheme, further, between described housing and ring flange, all by solid between stationary seat and housing
Rationed marketing connects, and end cap is arranged on stationary seat, is connected by connecting bolt is fixing between end cap with ring flange.
In technique scheme, further, between described housing and ring flange, between stationary seat and housing, end cap with
End-face seal ring it is provided with between stationary seat.
In technique scheme, further, described axle sleeve is fixed and clamped in rotating shaft by locking device, described locking
Device includes the lock sleeve being arranged on axle sleeve and the hold-down ring being symmetricly set on lock sleeve, and described lock sleeve is for being symmetrical arranged
Wedge structure, hold-down ring is respectively fitted on the tapered ramp of lock sleeve both sides, joins between hold-down ring and lock sleeve tapered ramp
Close and connect, described lock sleeve is provided with multiple axial elastic groove, is bolted between described hold-down ring.
This utility model uses symmetrically arranged two pairs of sealing pair structures, directly contacts during operating between seal face, close
Friction factor is little, wearability good in envelope pair employing, the material of friction good film-forming property, forms, at seal face, the profit that friction factor is less
Synovial membrane, reduces further the coefficient of friction between seal face, reduces frictional heat, improves dry running life same of sealing pair
Time, it is not necessary to sealing fluid, it is not necessary to coolant, it is particularly well-suited to source of the gas, the environment of insufficient water sources and is not allow for liquid entrance
Operating mode；Sealing simple in construction, compact, good sealing effect, sealing leak amount is only the part of dry gas seals or several ten points
One of；By arranging bearing between static element and revolving part so that it is be applicable to that installation accuracy is poor, operation process shaft
The equipment of beat easily occurs.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation.
Fig. 2 is this utility model ring flange, housing and stationary seat attachment structure schematic diagram.
Fig. 3 is this utility model stereochemical structure profile.
In figure: 1, ring flange, 2, housing, 3, stationary seat, 4, end cap, 5, rotating shaft, 6, axle sleeve, 7, spring base, 8, rotating ring, 9,
Stationary ring, 10, spring, 11, throw-out collar, 12, bearing, 13, guide plate, 14, back-up ring, 15, steady pin, 16, connecting bolt, 17, locking
Set, 18, hold-down ring, 19, elastic groove, 20, bolt, 21, sealing member, 22, floating seal ring, 23, end-face seal ring.
Detailed description of the invention
With specific embodiment, this utility model is further described below in conjunction with the accompanying drawings.
Such as Fig. 1 to 3, seal, including being arranged between ring flange 1, end cap 4 and housing 2 for a kind of contact type dry operating
Sealing structure, described rotating shaft 5 is provided with axle sleeve 6, described sealing structure includes the stationary seat 3 being fixedly mounted on housing 2, consolidates
Surely the spring base 7 being sleeved on axle sleeve 6 and the sealing pair and the elastic parts that are symmetricly set on spring base 7 both sides, described sealing pair
Including the rotating ring 8 matched by seal face and stationary ring 9, described rotating ring 8 is all set on spring base 7, elastic parts effect
Making rotating ring 8 fit tightly with the seal face of stationary ring 9 on rotating ring 8 end face, described both sides stationary ring 9 is respectively and fixedly installed to stationary ring
Seat 3, with on ring flange 1, is provided with bearing 12 between described stationary seat 3 and axle sleeve 6.At rotating ring 8 and spring base 7 in the present embodiment
Between be provided with floating seal ring 22, when making rotating ring move on spring base, remain good sealing property between the two.
Elastic parts in the present embodiment includes the spring 10 being arranged on spring base 7 and is arranged on pushing away of spring 10 two ends
Ring 11, described throw-out collar 11 is respectively acting on rotating ring 8 end face under the effect of spring 10.Between stationary seat 3 and axle sleeve 6, end
It is provided with sealing member 21 between lid 4 and axle sleeve 6, bearing two ends are effectively sealed.
In the present embodiment, described axle sleeve 6 being respectively arranged with back-up ring 14 at bearing 12 two ends, described back-up ring 14 is by bearing 12
It is fixedly mounted on axle sleeve 6.
Such as Fig. 3, it is preferable that be fixedly installed guide plate 13 on spring base 7, guide plate 13 sets along the axis direction of rotating shaft
Putting, guide plate 13 matches with rotating ring 8 outer face of spring base 7 both sides；Here guide plate plays dynamic to move along spring base
Ring carries out effect that is spacing and that guide, improves the sealing property between sealing pair further.
In the present embodiment, between described housing 2 and ring flange 1, between stationary seat 3 and housing 2 all by steady pin 15 even
Connecing, end cap 4 is arranged on stationary seat 3, is connected by connecting bolt 16 is fixing between end cap 4 with ring flange 1.In housing 2 and method
Between blue dish 1, between stationary seat 3 and housing 2, between end cap 4 and stationary seat 3, it is provided with end-face seal ring 23.
Such as Fig. 3, axle sleeve 6 described in the present embodiment is fixed and clamped in rotating shaft 5 by locking device, described locking device bag
Including the lock sleeve 17 being arranged on axle sleeve 6 and the hold-down ring 18 being symmetricly set on lock sleeve 17, described lock sleeve 17 is symmetrical
The wedge structure arranged, the tapered ramp on lock sleeve 17 tilts towards both sides respectively, and hold-down ring 18 is respectively fitted over lock sleeve 17 liang
On the tapered ramp of side, hold-down ring 18 inner face relative set is tapered ramp, hold-down ring 18 and lock sleeve 17 tapered ramp it
Between be connected, lock sleeve 17 is provided with multiple axial elastic groove 19, transition arc is set in one end of elastic groove 19, enters
One step increases the elasticity of lock sleeve 17, is connected by bolt 20 between two hold-down rings 18.Tight a bolt, two hold-down ring generation phases
To motion, under the effect of tapered ramp, lock sleeve is held tightly by hold-down ring, and under the effect of hold-down ring, lock sleeve tightens up axle
Set compresses and is fixed in rotating shaft.
Specification and drawings of the present utility model is considered as illustrative and not restrictive, on this utility model basis
On, those skilled in the art are according to disclosed technology contents, it is not necessary to performing creative labour just can be to some of them technology
Feature is made some and is replaced and deformation, all in protection domain of the present utility model.
Claims (9)
1. a contact type dry operating seals, and including the sealing structure being arranged between ring flange, end cap and housing, rotating shaft sets
It is equipped with axle sleeve, it is characterised in that: described sealing structure includes the stationary seat being fixedly mounted on housing, is fixedly set on axle sleeve
Spring base and be symmetricly set on sealing pair and the elastic parts of spring base both sides, described sealing pair includes by seal face phase
The rotating ring coordinated and stationary ring, described rotating ring is all set on spring base, and elastic parts acts on and makes rotating ring with quiet on rotating ring end face
The seal face of ring fits tightly, and described both sides stationary ring is respectively and fixedly installed on stationary seat and ring flange, described stationary seat with
Bearing it is provided with between axle sleeve.
Contact type dry the most according to claim 1 operating seals, it is characterised in that: described elastic parts includes being arranged on bullet
Spring on spring abutment and the throw-out collar being arranged on both ends of the spring, described throw-out collar is respectively acting on rotating ring end face under the action of the spring
On.
Contact type dry the most according to claim 1 and 2 operating seals, it is characterised in that: between described stationary seat and axle sleeve,
Sealing member it is provided with between end cap and axle sleeve.
Contact type dry the most according to claim 1 and 2 operating seals, it is characterised in that: between described rotating ring and spring base
It is provided with floating seal ring.
Contact type dry the most according to claim 1 operating seals, it is characterised in that: on described axle sleeve at bearing two ends respectively
Being provided with back-up ring, bearing is fixedly mounted on axle sleeve by described back-up ring.
Contact type dry the most according to claim 1 operating seals, it is characterised in that: it is provided with guiding on described spring base
Plate, described guide plate is arranged in the axial direction, matches with the rotating ring outer face of spring base both sides.
Contact type dry the most according to claim 1 operating seals, it is characterised in that: between described housing and ring flange, quiet
All being connected by steady pin between ring seat with housing, end cap is arranged on stationary seat, by being connected spiral shell between end cap with ring flange
Bolt is fixing to be connected.
8. operate according to the contact type dry described in claim 1 or 7 and seal, it is characterised in that: described housing and ring flange it
Between, between stationary seat and housing, be provided with end-face seal ring between end cap and stationary seat.
Contact type dry the most according to claim 1 operating seals, it is characterised in that: described axle sleeve is fixed by locking device
Being pressed in rotating shaft, described locking device includes the lock sleeve being arranged on axle sleeve and the compression being symmetricly set on lock sleeve
Ring, described lock sleeve is symmetrically arranged wedge structure, and hold-down ring is respectively fitted on the tapered ramp of lock sleeve both sides, hold-down ring
And be connected between lock sleeve tapered ramp, described lock sleeve be provided with multiple axial elastic groove, described hold-down ring it
Between be bolted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620611713.6U CN205841747U (en) | 2016-06-20 | 2016-06-20 | A kind of contact type dry operating seals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620611713.6U CN205841747U (en) | 2016-06-20 | 2016-06-20 | A kind of contact type dry operating seals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205841747U true CN205841747U (en) | 2016-12-28 |
Family
ID=58152821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620611713.6U Active CN205841747U (en) | 2016-06-20 | 2016-06-20 | A kind of contact type dry operating seals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205841747U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889515A (en) * | 2016-06-20 | 2016-08-24 | 成都通密封股份有限公司 | Contact type dry operation seal |
| CN109826740A (en) * | 2019-03-29 | 2019-05-31 | 宁波惠山汽配制造有限公司 | It is a kind of to get rid of formula isolator assembly certainly |
-
2016
- 2016-06-20 CN CN201620611713.6U patent/CN205841747U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889515A (en) * | 2016-06-20 | 2016-08-24 | 成都通密封股份有限公司 | Contact type dry operation seal |
| CN109826740A (en) * | 2019-03-29 | 2019-05-31 | 宁波惠山汽配制造有限公司 | It is a kind of to get rid of formula isolator assembly certainly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |