CN106382368A - Shrinking sealed carbon ring and mounting structure thereof - Google Patents
Shrinking sealed carbon ring and mounting structure thereof Download PDFInfo
- Publication number
- CN106382368A CN106382368A CN201611077964.1A CN201611077964A CN106382368A CN 106382368 A CN106382368 A CN 106382368A CN 201611077964 A CN201611077964 A CN 201611077964A CN 106382368 A CN106382368 A CN 106382368A
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- CN
- China
- Prior art keywords
- ring
- assemblies
- ring assemblies
- outer ring
- 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.)
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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
- F16J15/26—Sealings between relatively-moving surfaces with stuffing-boxes for rigid sealing rings
- F16J15/30—Sealings between relatively-moving surfaces with stuffing-boxes for rigid sealing rings with sealing rings made of carbon
Abstract
The invention discloses a shrinking sealed carbon ring and a mounting structure thereof and belongs to the technical field of mechanical seals. The shrinking sealed carbon ring comprises an inner ring, enclosed by a plurality of sections of inner ring assemblies, of the shrinking sealed carbon ring. An outer ring assembly is overlapped between two adjacent inner ring assemblies, the outer side faces of the outer ring assemblies are arc-shaped face, steps are arranged on the inner side faces of the outer ring assemblies, overlapping portions which are arranged at two ends of the inner ring assemblies are matched with the steps of the outer ring assemblies in an overlapped manner to form a carbon ring body of the shrinking sealed carbon ring. The outer side walls of the overlapping portion of the inner ring assemblies and the steps of the outer ring assemblies fit radially, gaps for compensation are reserved between the adjacent inner ring assemblies and between the outer ring assemblies and the inner ring assemblies, outer circular grooves are formed in the outer arc-shaped faces of the outer ring assemblies, and circular hook extension springs in sleeve connection in the outer circular grooves on the inner ring assemblies and the outer ring assemblies are used for providing radial contraction forces to the carbon ring body. The inner ring assemblies and the outer ring assemblies in the shrinking sealed carbon ring disclosed by the invention are of mutual independence, so that the radial mounting requirement is satisfied.
Description
Technical field
The invention belongs to technical field of mechanical, it is related to a kind of collapsed seal carbocyclic ring and its mounting structure.
Background technology
Conventional seals carbocyclic ring is combined by three lobe Equal rounds, and the seam of three lobe carbocyclic rings is in 120 ° of plane laminatings.With length
Time runs the abrasion of sealing carbocyclic ring inner circle and axle journal, and gap becomes big sealing effectiveness and has a greatly reduced quality.New-type self-compensation sealed carbocyclic ring,
As the patent of invention of Patent No. ZL201020568054.5, the internal ring that become by point lobed of mutual dislocation overlap joint inside and outside three lobes and
Outer shroud combines, interrelated between each point of lobe in internal ring, outer shroud.Due to the excircle of self-compensation sealed carbocyclic ring after abrasion
It is equipped with spring, collapsible compensation gap makes sealing life be obviously prolonged on groove.
But this collapsed seal carbocyclic ring still has following defect：Due to interrelated between each point of lobe, some equipment are such as
Compressor, needs to seal the necessary radially installed of carbocyclic ring, and this collapsed seal carbocyclic ring that is mutually related acquires a certain degree of difficulty when installing.
Content of the invention
It is an object of the invention to overcoming the deficiencies in the prior art, provide a kind of collapsed seal carbocyclic ring being suitable to radially installed
And its mounting structure.
The object of the present invention is achieved like this：A kind of collapsed seal carbocyclic ring, including ring assemblies in some sections, described some
In section, ring assemblies enclose the internal ring of collapsed seal carbocyclic ring, overlap an outer ring assembly between adjacent interior ring assemblies respectively, described outer
The lateral surface of ring assemblies is arc surface, and the medial surface of outer ring assembly is provided with step, and described being respectively arranged at two ends with of interior ring assemblies is taken
Socket part and the step overlap joint cooperation of outer ring assembly, form the carbocyclic ring body of collapsed seal carbocyclic ring, outside described interior ring assemblies clinch
Side wall is radially fitted with the step of outer ring assembly, all stays between adjacent interior ring assemblies and between outer ring assembly and interior ring assemblies
There is the gap for compensating, described interior ring assemblies, the exterior arc surface of outer ring assembly are equipped with peripheral groove, interior ring assemblies, outer ring group
Socket circle hook extension spring in peripheral groove on part, for providing radial contracting forces to carbocyclic ring body.
Preferably, the described interior lateral wall of ring assemblies clinch and the step of outer ring assembly are plane.
Preferably, described interior ring assemblies, outer ring assembly are three lobes.
Preferably, the step of described outer ring assembly is located at sealing surface.
Preferably, in described interior ring assemblies, the sealing surface of any one is provided with kidney slot.
A kind of mounting structure of above-mentioned collapsed seal carbocyclic ring, including two seal steel parts, between two seal steel parts
Collapsed seal carbocyclic ring, and be enclosed within two seal steel parts, the axle journal in collapsed seal carbocyclic ring endoporus, adjacent with non-tight face
Installing hole is machined with seal steel part, installing hole built with compression spring, for providing interior ring assemblies, outer ring assembly and close
The axial force that envelope body steel part is axially fitted.
Preferably, described installing hole is dovetail hole, and described compression spring adopts conical spring, is used for preventing truncated cone spiral shell
Rotation spring abjection dovetail hole.
Due to employing technique scheme, the present invention has the advantages that：
1st, between each interior ring assemblies in the present invention, separate between outer ring assembly, during installation, by interior ring assemblies along footpath
To installation, by the step overlap joint cooperation of the clinch at interior ring assemblies two ends and outer ring assembly, form the carbon of collapsed seal carbocyclic ring
Ring body, easy for installation, meet the demand of radially installed；
2nd, in the present invention, the interior lateral wall of ring assemblies clinch and the step of outer ring assembly are plane, and interior ring assemblies are with outward
The face that ring assemblies are radially fitted is plane, when circle hook extension spring shrinks the gap to compensate the abrasion of collapsed seal carbocyclic ring,
Remain that face contacts between the clinch of adjacent interior ring assemblies and the step of outer ring assembly, on the one hand avoid stress concentration,
Eliminate the risk of collapsed seal carbocyclic ring fracture, on the other hand also strengthen the sealing effectiveness of collapsed seal carbocyclic ring radial direction.
Brief description
Fig. 1 is the schematic diagram in sealing surface for the collapsed seal carbocyclic ring of the present invention；
Fig. 2 is the schematic diagram in non-tight face for the collapsed seal carbocyclic ring of the present invention；
Fig. 3 be in collapsed seal carbocyclic ring of the present invention outer ring assembly in the structural representation of sealing surface；
Fig. 4 be in collapsed seal carbocyclic ring of the present invention interior ring assemblies sealing surface structural representation；
Fig. 5 is the mounting structure schematic diagram of collapsed seal carbocyclic ring of the present invention.
Reference
In accompanying drawing, 1 is interior ring assemblies, and 2 is outer ring assembly, and 3 is circle hook extension spring, and 4 is axle journal, and 5 is kidney slot, and 6 are
Installing hole, 7 is compression spring, and 8 is seal steel part, and 11 is clinch, and 111 is the lateral wall of clinch, and 21 is step, L1,
L2 is gap, and a is sealing surface, and b is non-tight face.
Specific embodiment
Below in conjunction with the accompanying drawings embodiments of the invention are described in further detail.
Referring to Fig. 1-Fig. 4, a kind of embodiment of collapsed seal carbocyclic ring, including ring assemblies 1 in some sections, ring group in some sections
Part 1 encloses the internal ring of collapsed seal carbocyclic ring, overlaps an outer ring assembly 2 between adjacent interior ring assemblies 1 respectively, in this enforcement, interior
Ring assemblies 1, outer ring assembly 2 are three lobes, and the lateral surface of outer ring assembly 2 is arc surface, and the medial surface of outer ring assembly 2 is provided with step
21, the step 21 overlap joint cooperation being respectively arranged at two ends with clinch 11 and outer ring assembly 2 of interior ring assemblies 1, form collapsed seal carbon
The carbocyclic ring body of ring, radially fitted with the step 21 of outer ring assembly 2 in the lateral wall 111 of interior ring assemblies clinch 11, adjacent internal ring
All leave between assembly 1 and between outer ring assembly 2 and interior ring assemblies 1 for compensate gap L 1, L2, interior ring assemblies 1, outer shroud
The exterior arc surface of assembly 2 is equipped with peripheral groove, socket circle hook extension spring 3 in the peripheral groove on interior ring assemblies 1, outer ring assembly 2,
For providing radial contracting forces to carbocyclic ring body.
The lateral wall 111 of interior ring assemblies clinch 11 and the step 21 of outer ring assembly 2 are plane.
The step 21 of outer ring assembly 2 is located at sealing surface a.Gap L 1 is left in sealing surface a, outward between adjacent interior ring assemblies 1
Gap L 2 is left in non-tight face b, gap L 2 runs through outer ring assembly 2 between ring assemblies 2 and interior ring assemblies 1.
In interior ring assemblies 1, the sealing surface a of any one is provided with kidney slot 5.Convenient positioning when kidney slot 5 is used for installing.
Referring to Fig. 5, the mounting structure of above-mentioned collapsed seal carbocyclic ring, including two seal steel parts 8, positioned at two seal steel parts
Collapsed seal carbocyclic ring between 8, and it is enclosed within two seal steel parts 8, the axle journal 4 in collapsed seal carbocyclic ring endoporus, with non-tight
Be machined with installing hole 6 on the adjacent seal steel part 8 of face b, installing hole 6 built with compression spring 6, for provide interior ring assemblies 1,
The axial force of outer ring assembly 2 and seal steel part 8 axial direction laminating is it is ensured that the sealing surface a of collapsed seal carbocyclic ring can gluing, sealing
Body steel part 8, strengthens axial seal effect.
Installing hole 6 is dovetail hole, and compression spring 6 adopts conical spring, is used for preventing conical spring abjection swallow
Uropore.
Finally illustrate, preferred embodiment above only in order to technical scheme to be described and unrestricted, although logical
Cross above preferred embodiment the present invention to be described in detail, it is to be understood by those skilled in the art that can be
In form and various changes are made to it, without departing from claims of the present invention limited range in details.
Claims (7)
1. a kind of collapsed seal carbocyclic ring it is characterised in that：Including ring assemblies in some sections, in described some sections, ring assemblies enclose
The internal ring of collapsed seal carbocyclic ring, overlaps an outer ring assembly respectively between adjacent interior ring assemblies, the lateral surface of described outer ring assembly is
Arc surface, the medial surface of outer ring assembly is provided with step, described interior ring assemblies be respectively arranged at two ends with clinch and outer ring assembly
Step overlap joint cooperation, forms the carbocyclic ring body of collapsed seal carbocyclic ring, the lateral wall of described interior ring assemblies clinch and outer ring assembly
Step is radially fitted, between all leaving between adjacent interior ring assemblies and between outer ring assembly and interior ring assemblies for compensating
Gap, described interior ring assemblies, the exterior arc surface of outer ring assembly are equipped with peripheral groove, in the peripheral groove on interior ring assemblies, outer ring assembly
Socket circle hook extension spring, for providing radial contracting forces to carbocyclic ring body.
2. collapsed seal carbocyclic ring according to claim 1 it is characterised in that：The lateral wall of described interior ring assemblies clinch with
The step of outer ring assembly is plane.
3. collapsed seal carbocyclic ring according to claim 1 it is characterised in that：Described interior ring assemblies, outer ring assembly are three
Lobe.
4. collapsed seal carbocyclic ring according to claim 1 it is characterised in that：The step of described outer ring assembly is located at sealing
Face.
5. collapsed seal carbocyclic ring according to claim 1 it is characterised in that：The sealing surface of any one in described interior ring assemblies
It is provided with kidney slot.
6. a kind of mounting structure of the arbitrary described collapsed seal carbocyclic ring of claim 1 to 5, including two seal steel parts, is located at
Collapsed seal carbocyclic ring between two seal steel parts, and it is enclosed within two seal steel parts, the axle journal in collapsed seal carbocyclic ring endoporus,
It is characterized in that：It is machined with installing hole, installing hole, built with compression spring, is used on the seal steel part adjacent with non-tight face
The axial force that in offer, ring assemblies, outer ring assembly and seal steel part are axially fitted.
7. collapsed seal carbocyclic ring according to claim 6 mounting structure it is characterised in that：Described installing hole is dovetail
Hole, described compression spring adopts conical spring, is used for preventing conical spring abjection dovetail hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611077964.1A CN106382368B (en) | 2016-11-30 | 2016-11-30 | A kind of collapsed seal carbocyclic ring and its mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611077964.1A CN106382368B (en) | 2016-11-30 | 2016-11-30 | A kind of collapsed seal carbocyclic ring and its mounting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106382368A true CN106382368A (en) | 2017-02-08 |
| CN106382368B CN106382368B (en) | 2017-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611077964.1A Active CN106382368B (en) | 2016-11-30 | 2016-11-30 | A kind of collapsed seal carbocyclic ring and its mounting structure |
Country Status (1)
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| CN (1) | CN106382368B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3333855A (en) * | 1964-09-22 | 1967-08-01 | Gits Bros Mfg Co | Floating controlled gap seal |
| GB1413029A (en) * | 1973-09-20 | 1975-11-05 | Groll Leonetti Cie Sa | Sealing means for a rotating shaft |
| JPS6246067A (en) * | 1985-08-21 | 1987-02-27 | Ebara Res Co Ltd | Split type carbon ring seal |
| CN201925476U (en) * | 2010-10-20 | 2011-08-10 | 侯玉杰 | Self-compensating gapless carbon ring seal |
| CN102322530A (en) * | 2011-09-01 | 2012-01-18 | 中国航空动力机械研究所 | Shaft sealing structure of carbon graphite ring |
| CN203488717U (en) * | 2013-08-30 | 2014-03-19 | 西安交通大学苏州研究院 | Carbon ring seal |
| CN104964035A (en) * | 2015-05-07 | 2015-10-07 | 罗显平 | Sealing ring and rotary sealing device thereof |
| CN206206591U (en) * | 2016-11-30 | 2017-05-31 | 重庆江增船舶重工有限公司 | A kind of collapsed seal carbocyclic ring and its mounting structure |
-
2016
- 2016-11-30 CN CN201611077964.1A patent/CN106382368B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3333855A (en) * | 1964-09-22 | 1967-08-01 | Gits Bros Mfg Co | Floating controlled gap seal |
| GB1413029A (en) * | 1973-09-20 | 1975-11-05 | Groll Leonetti Cie Sa | Sealing means for a rotating shaft |
| JPS6246067A (en) * | 1985-08-21 | 1987-02-27 | Ebara Res Co Ltd | Split type carbon ring seal |
| CN201925476U (en) * | 2010-10-20 | 2011-08-10 | 侯玉杰 | Self-compensating gapless carbon ring seal |
| CN102322530A (en) * | 2011-09-01 | 2012-01-18 | 中国航空动力机械研究所 | Shaft sealing structure of carbon graphite ring |
| CN203488717U (en) * | 2013-08-30 | 2014-03-19 | 西安交通大学苏州研究院 | Carbon ring seal |
| CN104964035A (en) * | 2015-05-07 | 2015-10-07 | 罗显平 | Sealing ring and rotary sealing device thereof |
| CN206206591U (en) * | 2016-11-30 | 2017-05-31 | 重庆江增船舶重工有限公司 | A kind of collapsed seal carbocyclic ring and its mounting structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106382368B (en) | 2017-12-19 |
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