CN107830240A - One kind has Ni P chemical deposit valve body piece sealing rings - Google Patents
One kind has Ni P chemical deposit valve body piece sealing rings Download PDFInfo
- Publication number
- CN107830240A CN107830240A CN201711255029.4A CN201711255029A CN107830240A CN 107830240 A CN107830240 A CN 107830240A CN 201711255029 A CN201711255029 A CN 201711255029A CN 107830240 A CN107830240 A CN 107830240A
- Authority
- CN
- China
- Prior art keywords
- ring
- tenon
- valve body
- sealing ring
- main 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.)
- Pending
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Classifications
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- 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
-
- 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
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
- F16J9/12—Details
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- 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
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
- F16J9/28—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction of non-metals
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses one kind to have Ni P chemical deposit valve body piece sealing rings, belong to sealing ring technical field, its object is to solve to cause the poor technical problem of connective stability using the split type sealing ring of Internal and external cycle in the prior art, there is provided one kind has Ni P chemical deposit valve body piece sealing rings.The sealing ring includes main seal ring and interior secondary sealing ring, the external cylindrical surface of main piston ring is provided with Ni P chemical deposits, Ni P chemical deposits are provided with Anti-Adherence Coating of Polytetrafluoroethylene, the outer surface of Anti-Adherence Coating of Polytetrafluoroethylene is provided with porosity reticulate pattern, the external cylindrical surface of main piston ring offers U-typed compensating groove, tenon is provided with interior secondary sealing ring lateral surface, two convex tendons are provided with the lower surface of tenon；Notch is provided with main seal ring medial surface, the upper surface of the following body of notch is provided with two grooves；The tenon of interior secondary sealing ring and two convex tendons and the notch of main seal ring and two grooves coordinate, and form double-hasp.
Description
Technical field
The present invention relates to valve body technical field, and in particular to the seal ring structure in a kind of valve body.
Background technology
In valve body, sealing ring is usually mounted with piston, by sealing ring come sealing piston and valve interior wall minute surface it
Between gap, primarily serve sealing function.Existing sealing ring is primarily present installation difficulty, rapid wear, sealing not good enough two
The problem of individual aspect.
On the rapid wear problem of sealing ring, be to a certain extent by sealing ring selection it is improper determine, to same
Kind is to the metal material of mill, and different media is for the filled polytetrafluoroethylene ring of same formula, its wear factor difference；It is right
It is also different in same medium, the different filled polytetrafluoroethylene rings to mill metal material to same formula, wear factor.
On the sealing problem of sealing ring, the outer rim for wanting sealing ring is brought into close contact valve body minute surface, and sealing ring must obtain
Effective elastic force necessarily is obtained, so that sealing ring must be formed with otch；If sealing ring does not have otch, it cannot be obtained just
Elastic force, sealing ring is not necessarily close to valve body minute surface, and the gas of high pressure can be from sealing ring and valve body during compressor compresses gas
Between gap leakage.And provided with otch sealing ring in normal work, because sealing ring has otch, in long-term use
During, the gap of sealing ring incision can be increasing, and then can influence the sealing of compressor.
On the installation difficulty of sealing ring, sealing ring is arranged to inside and outside two coil structures more and more, inner ring,
Corresponding fault trough is offered on outer ring, such as Application No. 201310690387.3, entitled combined type compressor titanium-based nano
Inner ring, conveniently and efficiently can be arranged on by the patent of invention of ceramic coating wear-resistant seal ring by the fault trough on inner ring, outer ring
It is arranged on piston, by outer ring on inner ring.During piston movement being done due to piston in valve body, the connection of inner ring, outer ring
Less stable, the active force between piston and valve body wall is larger, easily de- both when sealing ring is using inner ring, outer ring structure
Open, influence the sealing property of compressor, cause compressor service life to tell somebody what one's real intentions are.
The content of the invention
It is an object of the invention to：Solve in the prior art using the split type sealing ring of Internal and external cycle cause connective stability compared with
The technical problem of difference, there is provided one kind has Ni-P chemical deposit valve body piece sealing rings, improves the connection of sealing ring inner ring, outer ring
Stability, improve the sealing property of valve body.
To achieve the above object, the technical scheme is that：
One kind has Ni-P chemical deposit valve body piece sealing rings, including is applied in combination and contour main seal ring and interior pair
Sealing ring, the external cylindrical surface of main piston ring are provided with Ni-P chemical deposits, and Ni-P chemical deposits are provided with polytetrafluoroethylene (PTFE) not snearing
Layer, the outer surface of Anti-Adherence Coating of Polytetrafluoroethylene are provided with porosity reticulate pattern, and the external cylindrical surface of main piston ring offers U-typed off-load
Groove, tenon is provided with interior secondary sealing ring lateral surface, two convex tendons are provided with the lower surface of tenon；Set on main seal ring medial surface
The notch being engaged with tenon is equipped with, two be adapted with two convex tendons of tenon are provided with the upper surface of the following body of notch
Groove；The tenon of interior secondary sealing ring and two convex tendons and the notch of main seal ring and two grooves coordinate, and form double-hasp.
Wherein, main piston ring and interior auxiliary piston ring include the body made of polytetrafluoroethylene (PTFE) and are filled in intrinsic poly-
Ether ether ketone.
Wherein, the projection of convex tendon is arc structure, and the pit of groove is the globoidal structure being engaged with convex tendon.
Wherein, a convex tendon in two convex tendons in the outer part is arranged on the end of tenon, in described two grooves in the inner part
A groove location be adapted with convex tendon in the outer part.
Wherein, main seal ring includes being arranged on the inner ring of main seal ring outer rim, is surrounded on outside inner ring and has with inner ring pre-
If the outer shroud of spacing, multiple firm support members, circumference of multiple firm support members along inner ring are provided between inner ring and outer shroud
Ending is staggered, and dielectric layer is filled with the space between inner ring, outer shroud and multiple firm support members.
The beneficial effects of the present invention are：
In the present invention, main seal ring and interior secondary sealing ring set the twin-lock being engaged on tenon and the corresponding end face of notch
Buckle structure, such main seal ring and interior secondary sealing ring just increase contact area when being connected, and connection is more firm, stably, resistance to
Pulling force is strengthened, and is not in the phenomenon that piece elongates during work, the connective stability of main seal ring and interior secondary sealing ring is more preferable, can
Dismounting is repeated to use.The external cylindrical surface of main piston ring is provided with Ni-P chemical deposits, and coating hardness reaches HV460~600, improved
The wearability of piston ring；Ni-P chemical deposits are provided with Anti-Adherence Coating of Polytetrafluoroethylene, and the coating performance is stable, performance
It is good, coefficient of friction maximum can be down to 0.04~0.09, reach the purpose for reducing frictional work loss；Gather using surface tension is small
Tetrafluoroethene non-sticking lining, the antisticking abrasion of piston ring can be improved；And it is provided with the outer surface of Anti-Adherence Coating of Polytetrafluoroethylene
Porosity reticulate pattern, the interior storage lubricating oil of porosity reticulate pattern, is more uniformly distributed lubricating oil, main work in the reciprocating motion of piston reciprocating
The external cylindrical surface of plug ring offers U-typed compensating groove, can effectively unload the pressure that piston ring is subject to, and reduces because pressure increases to work
Abrasion, extends its service life caused by plug ring.
In addition, the body of main piston ring and interior auxiliary piston ring is made up of polytetrafluoroethylene (PTFE), and polyethers is filled with body
Ether ketone, the resistant to elevated temperatures temperature range of polytetrafluoroethylene (PTFE) body are 250~300 DEG C, and its coefficient of friction≤0.20, polyether-ether-ketone has
The features such as high mechanical strength, high temperature resistant, impact resistance, fire-retardant, acid and alkali-resistance, wear-resisting, endurance, both combinations can effectively reduce work
The coefficient of friction of plug ring, the resistance to elevated temperatures for improving piston ring, anti-wear performance.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the explosive view of the present invention；
Fig. 3 is the structural representation of main seal ring in the present invention；
Wherein reference is 1- main seal rings, secondary sealing ring, 3- outer shrouds, 4- dielectric layers, 5- consolidate support member, 6- in 2-
Inner ring, 11- notches, 12- grooves, 21- convex tendons, 22- tenons.
Embodiment
Below in conjunction with the accompanying drawings, the present invention will be further described：
Embodiment 1
One kind has Ni-P chemical deposit valve body piece sealing rings, including is applied in combination and contour main seal ring and interior pair
Sealing ring, main seal ring, interior secondary sealing ring ring body on offer fault trough, by fault trough in main seal ring, interior secondary sealing
Form breach in the ring body of ring, consequently facilitating main seal ring, interior secondary sealing ring are installed, and when installing main seal ring ring
Breach on body, the breach mutual dislocation in the ring body of interior secondary sealing ring, it is ensured that sealing ring will not be influenceed because of the breach in ring body
Sealing property.Ni-P chemical deposits are provided with the external cylindrical surface of main piston ring 1, the coating hardness of the Ni-P chemical deposits reaches
HV460~600, improve the wearability of piston ring；Anti-Adherence Coating of Polytetrafluoroethylene is externally provided with Ni-P chemical deposits, and poly-
The outer surface of tetrafluoroethene non-sticking lining is provided with porosity reticulate pattern, lubricating oil is stored in porosity reticulate pattern, in the reciprocal fortune of piston reciprocating
Lubricating oil is more uniformly distributed in dynamic.
Because main seal ring, interior secondary sealing ring are assembled using split-type structural, thus main seal ring, interior pair need to be considered
The stability of sealing ring splicing.Therefore, being provided with tenon on interior secondary sealing ring lateral surface, two are provided with the lower surface of tenon
Convex tendon.The notch being engaged with tenon is provided with main seal ring medial surface, be provided with the upper surface of the following body of notch with
Two grooves that two convex tendons of tenon are adapted；The tenon of interior secondary sealing ring and two convex tendons and the notch of main seal ring and two
Individual groove coordinates, and forms double-hasp.
During splicing, interior secondary sealing ring is arranged on piston first with the fault trough on interior secondary sealing ring, then recycles tenon
Main seal ring is arranged on interior secondary sealing ring by head with notch, convex tendon and groove, and the fault trough on interior secondary sealing ring and master is close
Fault trough in seal ring shifts to install.
Main seal ring and interior secondary sealing ring set the twin-lock buckle structure being engaged on tenon and the corresponding end face of notch, this
Sample main seal ring and interior secondary sealing ring just increase contact area when being connected, and connection is more firm, stably, and resistance to pulling force is strengthened,
Be not in the phenomenon that piece elongates during work, the connective stability of main seal ring and interior secondary sealing ring is more preferable, repeats dismounting
Use.
Embodiment 2
On the basis of embodiment one, main piston ring and interior auxiliary piston ring include the body made of polytetrafluoroethylene (PTFE) and filled out
Fill in intrinsic polyether-ether-ketone, both combinations can effectively reduce the coefficient of friction of piston ring, improve the resistance to height of piston ring
Warm nature energy, anti-wear performance.
Embodiment 3
On the basis of embodiment one or embodiment two, the projection of convex tendon is arc structure, and the pit of groove is and convex tendon
The globoidal structure being engaged；For main seal ring and the fastness of interior secondary sealing ring junction, tenon and notch are arranged at
Main seal ring and the middle part of interior secondary sealing ring ring body, so ensure the firm of junction；One in two convex tendons in the outer part is convex
Muscle is arranged on the end of tenon, and a groove location in two grooves in the inner part is adapted with convex tendon in the outer part, this to set
Meter can make connection more convenient.
Embodiment 4
On the basis of above-described embodiment, the main seal ring includes inner ring；Outer shroud, the outer shroud are surrounded on the inner ring,
And there is default spacing with inner ring；Multiple firm support members, are fixedly connected between the inner ring and outer shroud；Dielectric layer, filling
Space between the inner ring, outer shroud and the multiple firm support member.
In order to further enhance the resistanee to rupture of main seal ring, inner ring, outer shroud and firm support member are formed in one.It is interior
The height of ring, outer shroud and firm support member is equal, can further enhance the intensity of main seal ring.The firm support of adjacent two
The cross sectional shape that part is formed with inner ring is triangle, trapezoidal or rectangle.Two adjacent firm support members and the outer shroud institute
The cross sectional shape of formation is preferably triangle.The material of the dielectric layer is silica, and certainly, the material of dielectric layer can also be
The other dielectric materials of such as silicon nitride.
Claims (5)
1. one kind has Ni-P chemical deposit valve body piece sealing rings, including it is applied in combination and contour main seal ring (1) and interior
Secondary sealing ring (2), it is characterised in that：The external cylindrical surface of main piston ring is provided with Ni-P chemical deposits, and Ni-P chemical deposits are provided with
Anti-Adherence Coating of Polytetrafluoroethylene, the outer surface of Anti-Adherence Coating of Polytetrafluoroethylene are provided with porosity reticulate pattern, the external cylindrical surface of main piston ring
Offer U-typed compensating groove；Tenon (22) is provided with interior secondary sealing ring (2) lateral surface, is provided with the lower surface of tenon (22)
Two convex tendons (21)；The notch (11) being engaged with tenon (22) is provided with main seal ring (1) medial surface, under notch (11)
The upper surface of side body is provided with two grooves (12) being adapted with two convex tendons (21) of tenon (22)；Interior secondary sealing ring (2)
Tenon (22) and two convex tendons (21) coordinate with the notch (11) of main seal ring (1) and two grooves (12), composition double-hasp.
2. one kind as claimed in claim 1 has Ni-P chemical deposit valve body piece sealing rings, it is characterised in that：Main piston ring
Include the body made of polytetrafluoroethylene (PTFE) with interior auxiliary piston ring and be filled in intrinsic polyether-ether-ketone.
3. one kind as claimed in claim 1 has Ni-P chemical deposit valve body piece sealing rings, it is characterised in that：Convex tendon (21)
Projection be arc structure, the pit of groove (12) is the globoidal structure being engaged with convex tendon (21).
4. one kind as claimed in claim 1 has Ni-P chemical deposit valve body piece sealing rings, it is characterised in that：Two convex tendons
(21) convex tendon (21) in the outer part is arranged on the end of tenon (22), one in described two grooves (12) in the inner part
Groove (12) position is adapted with convex tendon (21) in the outer part.
5. one kind as any one of claim 1-4 has Ni-P chemical deposit valve body piece sealing rings, its feature exists
In：Main seal ring (1) includes being arranged on the inner ring (6) of main seal ring (1) outer rim, is surrounded on inner ring (6) outside and has with inner ring (6)
There is the outer shroud (3) of default spacing, multiple firm support members (5), multiple firm branch are provided between inner ring (6) and outer shroud (3)
Support member (5) is staggered along the circumferential ending of inner ring (6), between inner ring (6), outer shroud (3) and multiple firm support members (5)
Dielectric layer (4) is filled with space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711255029.4A CN107830240A (en) | 2017-12-02 | 2017-12-02 | One kind has Ni P chemical deposit valve body piece sealing rings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711255029.4A CN107830240A (en) | 2017-12-02 | 2017-12-02 | One kind has Ni P chemical deposit valve body piece sealing rings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107830240A true CN107830240A (en) | 2018-03-23 |
Family
ID=61641025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711255029.4A Pending CN107830240A (en) | 2017-12-02 | 2017-12-02 | One kind has Ni P chemical deposit valve body piece sealing rings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107830240A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757213A (en) * | 2018-05-29 | 2018-11-06 | 宁国中辰密封件有限公司 | A kind of automobile engine O-ring seal |
| CN109357060A (en) * | 2018-11-24 | 2019-02-19 | 广东金恩卫浴实业有限公司 | A kind of novel embedded box |
-
2017
- 2017-12-02 CN CN201711255029.4A patent/CN107830240A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757213A (en) * | 2018-05-29 | 2018-11-06 | 宁国中辰密封件有限公司 | A kind of automobile engine O-ring seal |
| CN108757213B (en) * | 2018-05-29 | 2020-03-27 | 宁国中辰密封件有限公司 | O-shaped sealing ring for automobile engine |
| CN109357060A (en) * | 2018-11-24 | 2019-02-19 | 广东金恩卫浴实业有限公司 | A kind of novel embedded box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180323 |
|
| WD01 | Invention patent application deemed withdrawn after publication |