CN109209985A - A kind of mechanical sealing member for centrifugal pump seal - Google Patents
A kind of mechanical sealing member for centrifugal pump seal Download PDFInfo
- Publication number
- CN109209985A CN109209985A CN201811257040.9A CN201811257040A CN109209985A CN 109209985 A CN109209985 A CN 109209985A CN 201811257040 A CN201811257040 A CN 201811257040A CN 109209985 A CN109209985 A CN 109209985A
- Authority
- CN
- China
- Prior art keywords
- ring
- centrifugal pump
- seat
- sealing member
- fixedly connected
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/122—Shaft sealings using sealing-rings especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/126—Shaft sealings using sealing-rings especially adapted for liquid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Sealing (AREA)
Abstract
The invention discloses a kind of mechanical sealing members for centrifugal pump seal, including rotating ring, the inside insertion of one end of the rotating ring is provided with dynamic seal ring, and spring is provided on the outside of the other end of rotating ring, one end of the spring is fixedly connected with spring base, one end insertion of the spring base is provided with rubber stopper, and stationary ring is socketed on the inside of the dynamic seal ring, and the inside insertion of one end of the stationary ring is provided with static sealing ring.The present invention is by being mounted on protruding ring insertion between double flute ring seat and the first connection ring, it is embedded in the inside of the first groove and the second groove simultaneously by dynamic seal ring, to improve the sealing effect of rotating ring and stationary ring junction, it effectively prevents rotating ring and stationary ring junction leaks, one end of spring base is embedded in by rubber stopper, to reduce the gap of sealing medium and sealing surface, the sealing effect of sealing surface is improved, sealing medium is effectively prevented and outwardly reveals.
Description
Technical field
The present invention relates to sealing element technical field, specifically a kind of mechanical sealing member for centrifugal pump seal.
Background technique
In hydraulic and pneumatic transmission system and its element, the effect of sealing device and sealing element is disposed, is to prevent
The leakage of working media and the intrusion of extraneous dust and foreign matter are arranged in sealing device, the element that seals is known as
Sealing element, sealing means are broadly divided into packing sealing, lip packing, rotatory sealing and mechanical seal, and wherein mechanical seal refers to
By at least a pair of vertically with the end face of axis under the action of Fluid pressure and compensation mechanism elastic force and the cooperation of auxiliary seal
Under, keep fitting simultaneously, and the device for preventing fluid leakage is constituted with respect to sliding.
Chinese patent discloses a kind of mechanical seal (Authorization Notice No. CN202301154U), which can be significantly
Assembly precision is improved, but the sealing effect between rotating ring and stationary ring cannot be improved, and transmission shaft end surface and spring cannot be improved
Sealing effect between seat.
Summary of the invention
The purpose of the present invention is to provide a kind of mechanical sealing members for centrifugal pump seal, to solve above-mentioned background technique
The sealing effect that cannot be improved between rotating ring and stationary ring of middle proposition, and cannot improve close between transmission shaft end surface and spring base
The problem of sealing effect.
In order to solve the above technical problems, technical scheme is as follows:
A kind of mechanical sealing member for centrifugal pump seal, including rotating ring, the inside insertion of one end of the rotating ring are provided with dynamic
Sealing ring, and spring is provided on the outside of the other end of rotating ring, one end of the spring is fixedly connected with spring base, the spring
One end insertion of seat is provided with rubber stopper, stationary ring is socketed on the inside of the dynamic seal ring, the inside of one end of the stationary ring is embedding
Enter to be provided with static sealing ring.
As a further solution of the present invention: the rotating ring includes single grooved ring seat, the inside of one end of the list grooved ring seat
It is fixedly connected with throw-out collar, and the other end of single grooved ring seat is fixedly connected with protruding ring, the is offered on the inside of the list grooved ring seat
One groove.
As the present invention further scheme: the stationary ring includes double flute ring seat, one end of the double flute ring seat it is interior
Side is fixedly connected with the second connection ring, and the other end of double flute ring seat is fixedly connected with the first connection ring, first connection ring
Outside offer the second groove, one end of second connection ring offers anti-rotation cotter way.
As further scheme of the invention: the rubber stopper includes rubber outer ring, and one end of the rubber outer ring is solid
Surely it is connected with rubber connection ring, and is fixedly connected with rubber inner ring on the inside of rubber outer ring.
As further scheme of the invention: the spring base is provided with annular fixture block far from one end of spring, annular
Fixture block is embedded between rubber outer ring and rubber inner ring.
As the present invention further scheme: the dynamic seal ring is embedded in the interior of the first groove and the second groove simultaneously
Side, the static sealing ring are embedded between double flute ring seat and the second connection ring.
As further scheme of the invention: first connection ring is sequentially embedded in protruding ring, single grooved ring seat and pushes away
The inside of ring, the protruding ring are embedded between double flute ring seat and the first connection ring.
As further scheme of the invention: the both ends of the spring and spring base and rotating ring pass through the fixed company of screw
It connects.
The beneficial effects of the present invention are:
The present invention is embedded in by the way that protruding ring insertion is mounted between double flute ring seat and the first connection ring by dynamic seal ring simultaneously
In the inside of the first groove and the second groove, to improve the sealing effect of rotating ring and stationary ring junction, effectively prevent
In rotation, rotating ring and stationary ring junction leak rotating ring, one end of spring base are embedded in by rubber stopper, to reduce
The gap of sealing medium and drive shaft seal face improves the sealing effect in drive shaft seal face, effectively prevents sealing and is situated between
Matter is outwardly revealed, and the sealing performance of mechanical sealing member is improved.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of mechanical sealing member for centrifugal pump seal；
Fig. 2 is a kind of structural schematic diagram of rotating ring in mechanical sealing member for centrifugal pump seal；
Fig. 3 is a kind of structural schematic diagram of stationary ring in mechanical sealing member for centrifugal pump seal；
Fig. 4 is a kind of structural schematic diagram of rubber stopper in mechanical sealing member for centrifugal pump seal.
Wherein: 1, rotating ring；11, single grooved ring seat；12, throw-out collar；13, protruding ring；14, the first groove；2, spring；3, spring
Seat；4, rubber stopper；41, rubber outer ring；42, rubber inner ring；43, rubber connection ring；5, dynamic seal ring；6, stationary ring；61, double flute
Ring seat；62, the first connection ring；63, anti-rotation cotter way；64, the second connection ring；65, the second groove；7, static sealing ring.
Specific embodiment
It is right below according to specific embodiment and in conjunction with attached drawing to make the contents of the present invention be easier to be clearly understood
The present invention makes further details of explanation.
Please refer to Fig. 1~4, in the embodiment of the present invention, a kind of mechanical sealing member for centrifugal pump seal, including rotating ring 1,
The inside insertion of one end of rotating ring 1 is provided with dynamic seal ring 5, is provided with spring 2 on the outside of the other end of rotating ring 1, and the one of spring 2
End is fixedly connected with spring base 3, and one end insertion of spring base 3 is provided with rubber stopper 4, and the inside of dynamic seal ring 5 is socketed with stationary ring
6, the inside insertion of one end of stationary ring 6 is provided with static sealing ring 7.
In order to rotate together the transmission shaft of rotating ring 1 and centrifugal pump, rotating ring 1 includes single grooved ring seat 11, single grooved ring seat 11
Throw-out collar 12 is fixedly connected on the inside of one end, the other end of single grooved ring seat 11 is fixedly connected with protruding ring 13, single grooved ring seat 11
Inside offers the first groove 14.
In order to fix stationary ring 6 and centrifugal pump, stationary ring 6 includes double flute ring seat 61, and the inside of one end of double flute ring seat 61 is solid
Surely it is connected with the second connection ring 64, the other end of double flute ring seat 61 is fixedly connected with the first connection ring 62, the first connection ring 62
Outside offers the second groove 65, and one end of the second connection ring 64 offers anti-rotation cotter way 63.
In order to improve the sealing effect in drive shaft seal face, rubber stopper 4 includes rubber outer ring 41, and the one of rubber outer ring 41
End is fixedly connected with rubber connection ring 43, and the inside of rubber outer ring 41 is fixedly connected with rubber inner ring 42.
In order to reduce the gap between drive shaft seal face and sealing medium, spring base 3 is provided with far from one end of spring 2
Annular fixture block, annular fixture block are embedded between rubber outer ring 41 and rubber inner ring 42.
In order to improve the connection effect between throw-out collar 12 and the first connection ring 62, it is recessed that dynamic seal ring 5 is embedded in first simultaneously
The inside of slot 14 and the second groove 65, static sealing ring 7 are embedded between double flute ring seat 61 and the second connection ring 64.
In order to improve the sealing effect of rotating ring 1 Yu 6 junction of stationary ring, the first connection ring 62 be sequentially embedded protruding ring 13,
The inside of single grooved ring seat 11 and throw-out collar 12, protruding ring 13 are embedded between double flute ring seat 61 and the first connection ring 62.
For fixed spring 2, the both ends of spring 2 are fixedly connected by screw with spring base 3 and rotating ring 1.
The working principle of the invention: firstly, mechanical sealing member is socketed on the transmission shaft of centrifugal pump, it is embedding by stop pin
Entering in anti-rotation cotter way 63, keeps stationary ring 6 fixed, after being centrifuged pump startup, rotating ring 1 and spring base 3 are rotated with transmission shaft,
Under the action of the pressure and spring 2 of sealing medium, macroscopically, the seal face of rotating ring 1 and stationary ring 6 keeps fitting, it is microcosmic on, move
A small gap is formed between ring 1 and the seal face of stationary ring 6 will form very thin when sealing medium passes through sealing surface
Liquid film, the viscous force between liquid film and end face prevents medium outwardly to reveal, double by the way that the insertion of protruding ring 13 is mounted on
Between grooved ring seat 61 and the first connection ring 62, by the way that dynamic seal ring 5 is embedded in the first groove 14 and the second groove 65 simultaneously
Inside effectively prevents rotating ring 1 in rotation, 1 He of rotating ring to improve the sealing effect of 6 junction of rotating ring 1 and stationary ring
6 junction of stationary ring leaks, and one end of spring base 3 is embedded in by rubber stopper 4, wherein 3 one sections of spring base of annular fixture block
It is embedded between rubber outer ring 41 and rubber inner ring 42, to reduce the gap of sealing medium and sealing surface, improves sealing
The sealing effect in face effectively prevents sealing medium and outwardly reveals, and improves the sealing performance of mechanical sealing member.
In addition to the implementation, the present invention can also have other embodiments；It is all to use equivalent substitution or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
Claims (8)
1. a kind of mechanical sealing member for centrifugal pump seal, including rotating ring (1), which is characterized in that one end of the rotating ring (1)
Inside insertion be provided with dynamic seal ring (5), and spring (2) are provided on the outside of the other end of rotating ring (1), the spring (2)
One end be fixedly connected with spring base (3), the insertion of one end of the spring base (3) is provided with rubber stopper (4), the dynamic seal ring
(5) it is socketed on the inside of stationary ring (6), the inside insertion of one end of the stationary ring (6) is provided with static sealing ring (7).
2. a kind of mechanical sealing member for centrifugal pump seal according to claim 1, which is characterized in that the rotating ring
(1) include single grooved ring seat (11), be fixedly connected with throw-out collar (12) on the inside of one end of the list grooved ring seat (11), and single grooved ring seat
(11) the other end is fixedly connected with protruding ring (13), offers the first groove (14) on the inside of the list grooved ring seat (11).
3. a kind of mechanical sealing member for centrifugal pump seal according to claim 1, which is characterized in that the stationary ring
(6) include double flute ring seat (61), be fixedly connected with the second connection ring (64) on the inside of one end of the double flute ring seat (61), and double
The other end of grooved ring seat (61) is fixedly connected with the first connection ring (62), offers second on the outside of first connection ring (62)
One end of groove (65), second connection ring (64) offers anti-rotation cotter way (63).
4. a kind of mechanical sealing member for centrifugal pump seal according to claim 1, which is characterized in that the rubber stopper
It (4) include rubber outer ring (41), one end of the rubber outer ring (41) is fixedly connected with rubber connection ring (43), and rubber outer ring
(41) rubber inner ring (42) are fixedly connected on the inside of.
5. a kind of mechanical sealing member for centrifugal pump seal according to claim 1, which is characterized in that the spring base
(3) one end far from spring (2) is provided with annular fixture block, annular fixture block be embedded in rubber outer ring (41) and rubber inner ring (42) it
Between.
6. a kind of mechanical sealing member for centrifugal pump seal according to claim 1, which is characterized in that the dynamic sealing
Circle (5) is embedded in the inside of the first groove (14) and the second groove (65) simultaneously, and the static sealing ring (7) is embedded in double flute ring seat
(61) between the second connection ring (64).
7. a kind of mechanical sealing member for centrifugal pump seal according to claim 3, which is characterized in that described first connects
Ring (62) is connect to be sequentially embedded in the inside of protruding ring (13), single grooved ring seat (11) and throw-out collar (12), protruding ring (13) insertion
Between double flute ring seat (61) and the first connection ring (62).
8. a kind of mechanical sealing member for centrifugal pump seal according to claim 1, which is characterized in that the spring
(2) both ends are fixedly connected by screw with spring base (3) and rotating ring (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811257040.9A CN109209985A (en) | 2018-10-26 | 2018-10-26 | A kind of mechanical sealing member for centrifugal pump seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811257040.9A CN109209985A (en) | 2018-10-26 | 2018-10-26 | A kind of mechanical sealing member for centrifugal pump seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109209985A true CN109209985A (en) | 2019-01-15 |
Family
ID=64997035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811257040.9A Pending CN109209985A (en) | 2018-10-26 | 2018-10-26 | A kind of mechanical sealing member for centrifugal pump seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109209985A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973653A (en) * | 2019-04-28 | 2019-07-05 | 四川省星船城水泥股份有限公司 | A kind of sealing structure and roller mill separator of roller mill separator |
| CN113796982A (en) * | 2021-09-23 | 2021-12-17 | 无锡爱齿一生科技有限公司 | Electric toothbrush convenient to dismouting |
-
2018
- 2018-10-26 CN CN201811257040.9A patent/CN109209985A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973653A (en) * | 2019-04-28 | 2019-07-05 | 四川省星船城水泥股份有限公司 | A kind of sealing structure and roller mill separator of roller mill separator |
| CN113796982A (en) * | 2021-09-23 | 2021-12-17 | 无锡爱齿一生科技有限公司 | Electric toothbrush convenient to dismouting |
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