CN208919328U - A kind of inside has the shell-shaped mechanical seal ring of sector deep groove - Google Patents
A kind of inside has the shell-shaped mechanical seal ring of sector deep groove Download PDFInfo
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- CN208919328U CN208919328U CN201821585970.2U CN201821585970U CN208919328U CN 208919328 U CN208919328 U CN 208919328U CN 201821585970 U CN201821585970 U CN 201821585970U CN 208919328 U CN208919328 U CN 208919328U
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- Prior art keywords
- annular
- groove
- annular groove
- seal ring
- annular slot
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Abstract
The utility model relates to technical field of mechanical, specifically a kind of inside has the shell-shaped mechanical seal ring of sector deep groove, including seal ring body, through-hole is offered in the seal ring body, the sector deep groove, first annular slot and the second annular groove will be separated into the first fan-shaped bump and the second fan-shaped bump of several circular arrays distribution on the face sealing ring A, the sealing ring B offers third annular groove and fourth annular slot on face, the diameter of the third annular groove is less than the diameter of fourth annular slot, sealing element is provided in the third annular groove and fourth annular slot.Change the single structure of tradition machinery sealing ring, medium on the face sealing ring A being capable of circulation, with the face seal of sealing ring B face contact, the design of deep trench reduces the influence of thermal deformation, more stable, compact-sized, using punch forming, manufacture craft is simple, and design rationally, reduces production cost.
Description
Technical field
The utility model relates to mechanical seal ring technical field, specially a kind of inside has the housing shape machine of sector deep groove
Tool sealing ring.
Background technique
Mechanical seal is widely used to petrochemical industry, aviation as the most common rotary shaft axial end face sealing device
The fields such as space flight.With the fast development of science and technology, the performance requirement of mechanical seal is increasingly improved.Application No. is
CN200810156428.X discloses a kind of novel seal ring structure that can effectively reduce mechanical seal ring thermal deformation, mechanical close
The rotating ring and stationary ring circle end face (cylindrical surface) of envelope radially open up multiple scalloped recess, and sealing ring is made to become hollow shell knot
Structure；Scalloped recess is in the same size and is evenly distributed, and axial plate reinforcing rib is formed between slot and slot, channel opening is outside, slot bottom
Arc reinforcing rib is formed with sealing ring internal circular surfaces.All side walls (reinforcing rib etc.) for constituting scalloped recess are equal thickness a.Institute
The scalloped recess stated is no less than 12 and increases with the increase of sealing ring outer diameter.The invention can make the cooling problem of sealing ring
Be effectively improved, while improving the rigidity of sealing ring, reduce heat, power deformation, enhance mechanical seal job stability and
Prolong the service life, be applicable to the mechanical seal application field of all liquid, gas medium, it is (high to be particularly suitable for high parameter
Temperature, high pressure, high speed) working condition
Inventor it has been investigated that, above scheme still has certain defect, and molding is complicated, is not easy to process, and makes
It is at high cost.
Utility model content
In order to make up the above deficiency, the purpose of this utility model is to provide the housing shapes that a kind of inside has sector deep groove
Mechanical seal ring, to solve the problems mentioned in the above background technology.
The technical solution of the utility model is: a kind of inside has the shell-shaped mechanical seal ring of sector deep groove, including close
Seal ring ontology offers through-hole in the seal ring body, and the seal ring body includes the face sealing ring A and the face sealing ring B, institute
State circular array on the face sealing ring A and several sector deep grooves be distributed with, offered on the face the sealing ring A first annular slot and
Second annular groove, the first annular slot are arranged close to through hole, and the diameter of second annular groove is greater than first annular slot
Diameter, the sector deep groove, first annular slot and the second annular groove will be separated into several circular arrays point on the face sealing ring A
The first fan-shaped bump and the second fan-shaped bump of cloth offer third annular groove and fourth annular slot, institute on the face the sealing ring B
The diameter for stating third annular groove is less than the diameter of fourth annular slot, is provided in the third annular groove and fourth annular slot close
Sealing.
As advanced optimizing for the technical program, the depth of the sector deep groove, first annular slot and the second annular groove
It is identical, and the depth of sector deep groove, first annular slot and the second annular groove is no more than the one third of seal ring body thickness.
As advanced optimizing for the technical program, the third annular groove is identical with the depth of fourth annular slot, described
The depth of third annular groove and fourth annular slot is no more than the one third of seal ring body thickness.
As advanced optimizing for the technical program, the sealing element in the third annular groove and fourth annular slot is O
Type rubber seal, and the longitudinal section of sealing element is rectangle.
Circle and through-hole institute as advanced optimizing for the technical program, where the first annular slot and the second annular groove
It is round be overlapped, round where the circle and through-hole where the third annular groove and fourth annular slot is overlapped.
Compared with prior art, the utility model has the beneficial effects that a kind of inside of the utility model has sector deep groove
Shell-shaped mechanical seal ring, change the single structure of tradition machinery sealing ring, by offering the first ring on the face sealing ring A
Shape slot and the second annular groove, so that sector deep groove, first annular slot and the second annular groove will be separated into several on the face sealing ring A
The first fan-shaped bump and the second fan-shaped bump of circular array distribution, and then the medium on the face sealing ring A is enable to follow
Circulation is logical, by offering third annular groove and fourth annular slot for accommodating sealing element on the face sealing ring B, convenient for make with
The face seal of sealing ring B face contact, the design of deep trench reduces the influence of thermal deformation, more stable, compact-sized, uses
Punch forming, manufacture craft is simple, and design rationally, reduces production cost.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the face the sealing ring A structural schematic diagram of the utility model；
Fig. 3 is the face the sealing ring B structural schematic diagram of the utility model.
In figure: the face 1- sealing ring A；The face 2- sealing ring B；3- through-hole；The first annular slot of 4-；The second annular groove of 5-；6- is fan-shaped
Deep trouth；The first fan-shaped bump of 7-；The second fan-shaped bump of 8-；9- third annular groove；10- fourth annular slot.
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.
Please refer to Fig. 1-3, the utility model provides a kind of technical solution: a kind of inside has the housing shape machine of sector deep groove
Tool sealing ring, including seal ring body offer through-hole 3 in the seal ring body, and the seal ring body includes sealing ring A
Face 1 and the face sealing ring B 2, several sector deep grooves 6, the face the sealing ring A is distributed in circular array on the face the sealing ring A 1
First annular slot 4 and the second annular groove 5 are offered on 1, the first annular slot 4 is arranged at through-hole 3, second annular
The diameter of slot 5 is greater than the diameter of first annular slot 4, and the sector deep groove 6, first annular slot 4 and the second annular groove 5 are by sealing ring
The first fan-shaped bump 7 and the second fan-shaped bump 8 of the distribution of several circular arrays, the face the sealing ring B 2 are separated on the face A 1
On offer third annular groove 9 and fourth annular slot 10, the diameter of the third annular groove 9 is less than the straight of fourth annular slot 10
Diameter is provided with sealing element in the third annular groove 9 and fourth annular slot 10.
Specifically, the sector deep groove 6, first annular slot 4 are identical with the depth of the second annular groove 5, and sector deep groove 6,
The depth of first annular slot 4 and the second annular groove 5 is no more than the one third of seal ring body thickness.
Specifically, the third annular groove 9 is identical with the depth of fourth annular slot 10, the third annular groove 9 and the 4th
The depth of annular groove 10 is no more than the one third of seal ring body thickness.
Specifically, the sealing element in the third annular groove 9 and fourth annular slot 10 is O-shaped rubber seal, and close
The longitudinal section of sealing is rectangle.
Specifically, round being overlapped at 3 place of circle and through-hole where the first annular slot 4 and the second annular groove 5, described
The round coincidence where circle and through-hole 3 where third annular groove 9 and fourth annular slot 10.
The present embodiment changes the single structure of tradition machinery sealing ring, by the face sealing ring A 1 when implementing
First annular slot 4 and the second annular groove 5 are offered, so that sector deep groove 6, first annular slot 4 and the second annular groove 5 are by sealing ring
It is separated into the first fan-shaped bump 7 and the second fan-shaped bump 8 of the distribution of several circular arrays on the face A 1, and then makes in sealing
Medium on the face ring A 1 can circulation, by offering the third annular groove for accommodating sealing element on the face sealing ring B 2
9 and fourth annular slot 10, convenient for making the face seal contacted with the face sealing ring B 2, the design of deep trench reduces the shadow of thermal deformation
It rings, more stable, which has a compact structure and a reasonable design, there is very high practicability.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of inside has a shell-shaped mechanical seal ring of sector deep groove, including seal ring body, in the seal ring body
Through-hole is offered, the seal ring body includes the face sealing ring A and the face sealing ring B, it is characterised in that: on the face the sealing ring A
Several sector deep grooves are distributed in circular array, and first annular slot and the second annular groove, institute are offered on the face the sealing ring A
It states first annular slot to be arranged close to through hole, the diameter of second annular groove is greater than the diameter of first annular slot, the sector
Deep trouth, first annular slot and the second annular groove are fan-shaped by be separated into the distribution of several circular arrays on the face sealing ring A first
Convex block and the second fan-shaped bump offer third annular groove and fourth annular slot, the third annular groove on the face the sealing ring B
Diameter be less than the diameter of fourth annular slot, be provided with sealing element in the third annular groove and fourth annular slot.
2. the shell-shaped mechanical seal ring that a kind of inside according to claim 1 has sector deep groove, it is characterised in that: institute
The depth for stating sector deep groove, first annular slot and the second annular groove is identical, and sector deep groove, first annular slot and the second annular groove
Depth be no more than the one third of seal ring body thickness.
3. the shell-shaped mechanical seal ring that a kind of inside according to claim 1 has sector deep groove, it is characterised in that: institute
State that third annular groove is identical with the depth of fourth annular slot, the depth of the third annular groove and fourth annular slot is no more than close
The one third of seal ring body thickness.
4. the shell-shaped mechanical seal ring that a kind of inside according to claim 1 has sector deep groove, it is characterised in that: institute
Stating the sealing element in third annular groove and fourth annular slot is O-shaped rubber seal, and the longitudinal section of sealing element is in rectangular
Shape.
5. the shell-shaped mechanical seal ring that a kind of inside according to claim 1 has sector deep groove, it is characterised in that: institute
State where the circle and through-hole where first annular slot and the second annular groove it is round be overlapped, the third annular groove and fourth annular
Round coincidence where circle and through-hole where slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821585970.2U CN208919328U (en) | 2018-09-28 | 2018-09-28 | A kind of inside has the shell-shaped mechanical seal ring of sector deep groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821585970.2U CN208919328U (en) | 2018-09-28 | 2018-09-28 | A kind of inside has the shell-shaped mechanical seal ring of sector deep groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208919328U true CN208919328U (en) | 2019-05-31 |
Family
ID=66707312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821585970.2U Expired - Fee Related CN208919328U (en) | 2018-09-28 | 2018-09-28 | A kind of inside has the shell-shaped mechanical seal ring of sector deep groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208919328U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111089172A (en) * | 2020-01-15 | 2020-05-01 | 南昌工程学院 | Mechanical sealing device with heat transfer strengthening structure |
| CN111706405A (en) * | 2020-05-12 | 2020-09-25 | 中国核动力研究设计院 | Dry gas sealing self-cooling structure and method |
| CN113236781A (en) * | 2021-04-15 | 2021-08-10 | 大连理工大学 | Sealing ring with antifriction and heat dissipation structure on end face and machining method thereof |
| CN114857273A (en) * | 2022-03-31 | 2022-08-05 | 清华大学 | End face seal assembly |
-
2018
- 2018-09-28 CN CN201821585970.2U patent/CN208919328U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111089172A (en) * | 2020-01-15 | 2020-05-01 | 南昌工程学院 | Mechanical sealing device with heat transfer strengthening structure |
| CN111089172B (en) * | 2020-01-15 | 2021-09-28 | 南昌工程学院 | Mechanical sealing device with heat transfer strengthening structure |
| CN111706405A (en) * | 2020-05-12 | 2020-09-25 | 中国核动力研究设计院 | Dry gas sealing self-cooling structure and method |
| CN111706405B (en) * | 2020-05-12 | 2021-11-30 | 中国核动力研究设计院 | Dry gas sealing self-cooling structure and method |
| CN113236781A (en) * | 2021-04-15 | 2021-08-10 | 大连理工大学 | Sealing ring with antifriction and heat dissipation structure on end face and machining method thereof |
| CN114857273A (en) * | 2022-03-31 | 2022-08-05 | 清华大学 | End face seal assembly |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190531 Termination date: 20200928 |