CN209704905U - A kind of mechanically-sealing apparatus of centrifugal pump - Google Patents
A kind of mechanically-sealing apparatus of centrifugal pump Download PDFInfo
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- CN209704905U CN209704905U CN201920439000.XU CN201920439000U CN209704905U CN 209704905 U CN209704905 U CN 209704905U CN 201920439000 U CN201920439000 U CN 201920439000U CN 209704905 U CN209704905 U CN 209704905U
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- ring
- seat
- rotating
- stationary
- pump
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Abstract
The utility model discloses a kind of mechanically-sealing apparatus of centrifugal pump, are related to centrifugal pump field.The utility model includes pump cover seat and pump shaft；One surface of pump cover seat is installed with rotating seat；Rotating ring is provided on the inside of rotating seat；The periphery of rotating seat is arranged with elastic ring；Multiple interior guide grooves are circumferentially uniformly offered on rotating seat, and have been slidably installed with guide post in each interior guide groove；One end of guide post and the circumferential lateral surface of elastic ring offset；The first spring is arranged on guide post；One end of first spring is connected to a surface of interior guide groove；The side of rotating seat is installed with stationary seat；Stationary ring is provided on the inside of stationary seat；Stationary ring is movably arranged on pump shaft；Positioning ring is provided between stationary ring and rotating ring；Positioning ring is set to the inside of rotating seat.Not only structure designs advantages of simple, install convenient to the utility model, but also has good mechanical sealing performance, and practicability is stronger, market application value with higher.
Description
Technical field
The utility model belongs to centrifugal pump field, more particularly to a kind of mechanically-sealing apparatus of centrifugal pump.
Background technique
Centrifugal pump refers to the centrifugal force by generating when impeller rotation to convey the pump of liquid, mainly by impeller, the pump housing, pump
Axis, bearing, sealing ring and stuffing-box etc. are constituted.Centrifugal pump can be widely used for the conveying of the industries such as electric power, metallurgy, coal, building materials and contain
There is the slurry of solid particle.Currently, centrifugal pump in the prior art be easy to cause liquid leakage when conveying liquid, cause motor
Internal unit short circuit, causes working efficiency to substantially reduce.It would therefore be highly desirable to a kind of mechanically-sealing apparatus of centrifugal pump is studied, so as to
In solving the above problems.
Utility model content
The purpose of this utility model is to provide a kind of mechanically-sealing apparatus of centrifugal pump, are filled by sliding on rotating seat
If multiple guide posts for having the first spring, resist elastic ring using guide post, to guarantee to be in always between rotating seat and rotating ring
Opposing seal state, and setting has the positioning ring of good deformation potential to fill rotating ring and stationary ring between rotating ring and stationary ring
Gap effectively improves the sealing performance of the pump housing, ensure that the working efficiency of centrifugal pump, and practicability is stronger, solves above-mentioned
The problem of proposed in background technique.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions:
The utility model is a kind of mechanically-sealing apparatus of centrifugal pump, including pump cover seat and pump shaft；Match on the pump cover seat
Equipped with a pump cover；Centrifugal chamber is formed between the pump cover and pump cover seat；One end of the pump shaft extends to pump through pump cover seat
In centrifugal chamber between lid and pump cover seat；One surface of the pump cover seat is installed with a rotating seat by bolt；The rotating ring
Cover for seat is set on pump shaft；A rotating ring is provided on the inside of the rotating seat；The rotating ring fixing sleeve is set on pump shaft；The rotating ring
The periphery of seat is arranged with an elastic ring；Multiple interior guide grooves are circumferentially uniformly offered on the rotating seat, and each described
A guide post has been slidably installed in interior guide groove；One end of the guide post and the circumferential lateral surface of elastic ring offset；It is covered on the guide post
Equipped with one first spring；One end of first spring is fixedly connected on a surface of interior guide groove；The side of the rotating seat fills
Equipped with a stationary seat；The stationary seat is sheathed on pump shaft；A stationary ring is provided on the inside of the stationary seat；The stationary ring activity
It is installed on pump shaft；A positioning ring is provided between the stationary ring and rotating ring；The positioning ring is sheathed on pump shaft；The positioning
Ring is set to the inside of rotating seat.
Further, the pump cover seat and rotating seat are installed with one first gasket；First gasket is sheathed on pump
On axis；First gasket is embedded on the one end of rotating seat.
Further, the side of first gasket is provided with one first sealing ring；First sealing ring is set to
The inside of rotating seat；One surface of first sealing ring and a surface of rotating ring fit.
Further, the periphery of first sealing ring is circumferentially uniformly installed with multiple second springs；Described
Two springs are set to the inside of rotating seat；One end of the second spring and a surface of the first gasket offset；Described second
The other end of spring and a surface of elastic ring offset.
Further, the one end of the stationary seat is sheathed on the periphery of the other end of rotating seat；The stationary seat with
Rotating seat is threadedly engaged；One second sealing ring is installed on the inside of the stationary seat；Second sealing ring is sheathed on stationary ring
Periphery；The end face of the other end of an end face and rotating seat for second sealing ring offsets.
Further, a third sealing ring is installed on the inside of the stationary seat；The third sealing ring is sheathed on pump shaft
Between stationary ring；One end of the third sealing ring and a contacted inner surfaces of stationary seat.
The utility model has the following beneficial effects:
The utility model resists bullet using guide post by being slidably installed with multiple guide posts for having the first spring on rotating seat
Property ring, to guarantee between rotating seat and rotating ring always in opposing seal state, and be arranged between rotating ring and stationary ring and have
The positioning ring of good deformation potential fills the gap of rotating ring and stationary ring, effectively improves the sealing performance of the pump housing, ensure that
The working efficiency of centrifugal pump, practicability is stronger, market application value with higher.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is a kind of structural schematic diagram of the mechanically-sealing apparatus of centrifugal pump of the utility model；
Fig. 2 is the structure sectional view in the direction A-A in Fig. 1.
In attached drawing, parts list represented by the reference numerals are as follows:
1- pump cover seat, 2- pump shaft, 3- rotating seat, 4- rotating ring, 5- elastic ring, 6- guide post, 7- stationary seat, 8- stationary ring, 9- are fixed
Position ring, the first gasket of 10-, the second gasket of 11-, 101- pump cover, guide groove in 301-, the first spring of 601-, 701- second are close
Seal, 702- third sealing ring, the first sealing ring of 1001-, 1002- second spring.
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 creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
It please refers to shown in Fig. 1-2, the utility model is a kind of mechanically-sealing apparatus of centrifugal pump, including pump cover seat 1 and pump
Axis 2；A pump cover 101 is fitted on pump cover seat 1；Centrifugal chamber is formed between pump cover 101 and pump cover seat 1；Pump cover 101 and pump cover seat
One second gasket 11 is installed between 1；One end of pump shaft 2 extends between pump cover 101 and pump cover seat 1 through pump cover seat 1
In centrifugal chamber；
One surface of pump cover seat 1 is installed with a rotating seat 3 by bolt；Rotating seat 3 is sheathed on pump shaft 2；Rotating seat 3
Inside is provided with a rotating ring 4；4 fixing sleeve of rotating ring is set on pump shaft 2；The periphery of rotating seat 3 is arranged with an elastic ring 5；Elastic ring 5
It is made of the good metal material of elastic property；
Multiple interior guide grooves 301 are circumferentially uniformly offered on rotating seat 3, and sliding dress in each interior guide groove 301
Equipped with a guide post 6；One end of guide post 6 and the circumferential lateral surface of elastic ring 5 offset；One first spring 601 is arranged on guide post 6；The
One end of one spring 601 is fixedly connected on a surface of interior guide groove 301；The other end of first spring 601 is fixedly connected on guide post 6
One end on；
The side of rotating seat 3 is installed with a stationary seat 7；Stationary seat 7 is sheathed on pump shaft 2；The inside of stationary seat 7 is provided with
One stationary ring 8；Stationary ring 8 is movably arranged on pump shaft 2；A positioning ring 9 is provided between stationary ring 8 and rotating ring 4；Positioning ring 9 is sheathed on
On pump shaft 2；Positioning ring 9 is set to the inside of rotating seat 3；Positioning ring 9 has cavity structure；The epidermis of positioning ring 9 uses deformation
Metal material of good performance is made；Rubber granule is filled in the cavity of positioning ring 9.
Wherein, pump cover seat 1 and rotating seat 3 are installed with one first gasket 10；First gasket 10 is sheathed on pump shaft 2；
First gasket 10 is embedded on the one end of rotating seat 3.
Wherein, the side of the first gasket 10 is provided with one first sealing ring 1001；First sealing ring 1001 is set to dynamic
The inside of ring seat 3；One surface of the first sealing ring 1001 fits with a surface of rotating ring 4；The periphery of first sealing ring 1001
Circumferentially uniformly it is installed with multiple second springs 1002；Second spring 1002 is set to the inside of rotating seat 3；Second spring
1002 one end and a surface of the first gasket 10 offset；One surface phase of the other end of second spring 1002 and elastic ring 5
It supports.
Wherein, the one end of stationary seat 7 is sheathed on the periphery of the other end of rotating seat 3；Stationary seat 7 and 3 spiral shell of rotating seat
Line cooperation；The inside of stationary seat 7 is installed with one second sealing ring 701；Second sealing ring 701 is sheathed on the periphery of stationary ring 8；Second
The end face of the end face and the other end of rotating seat 3 of sealing ring 701 offsets；The inside of stationary seat 7 is installed with third sealing
Circle 702；Third sealing ring 702 is sheathed between pump shaft 2 and stationary ring 8；In one end of third sealing ring 702 and the one of stationary seat 7
Surface offsets.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (6)
1. a kind of mechanically-sealing apparatus of centrifugal pump, including pump cover seat (1) and pump shaft (2)；One is fitted on the pump cover seat (1)
Pump cover (101)；Centrifugal chamber is formed between the pump cover (101) and pump cover seat (1)；Pump cover is run through in one end of the pump shaft (2)
Seat (1) extends in the centrifugal chamber between pump cover (101) and pump cover seat (1)；It is characterized by:
One surface of the pump cover seat (1) is installed with a rotating seat (3) by bolt；The rotating seat (3) is sheathed on pump shaft (2)
On；A rotating ring (4) are provided on the inside of the rotating seat (3)；Rotating ring (4) fixing sleeve is set on pump shaft (2)；The rotating ring
The periphery of seat (3) is arranged with an elastic ring (5)；
Multiple interior guide grooves (301), and each interior guide groove (301) are circumferentially uniformly offered on the rotating seat (3)
Inside it has been slidably installed with a guide post (6)；One end of the guide post (6) and the circumferential lateral surface of elastic ring (5) offset；The guide post
(6) one first spring (601) is arranged on；One end of first spring (601) is fixedly connected on a table of interior guide groove (301)
Face；
The side of the rotating seat (3) is installed with a stationary seat (7)；The stationary seat (7) is sheathed on pump shaft (2)；It is described quiet
A stationary ring (8) are provided on the inside of ring seat (7)；The stationary ring (8) is movably arranged on pump shaft (2)；The stationary ring (8) and rotating ring
(4) positioning ring (9) are provided between；The positioning ring (9) is sheathed on pump shaft (2)；The positioning ring (9) is set to rotating ring
The inside of seat (3).
2. a kind of mechanically-sealing apparatus of centrifugal pump according to claim 1, which is characterized in that the pump cover seat (1) with
Rotating seat (3) is installed with one first gasket (10)；First gasket (10) is sheathed on pump shaft (2)；Described first is close
Packing (10) is embedded on the one end of rotating seat (3).
3. a kind of mechanically-sealing apparatus of centrifugal pump according to claim 2, which is characterized in that first gasket
(10) side is provided with one first sealing ring (1001)；First sealing ring (1001) is set to the inside of rotating seat (3)；
One surface of first sealing ring (1001) and a surface of rotating ring (4) fit.
4. a kind of mechanically-sealing apparatus of centrifugal pump according to claim 3, which is characterized in that first sealing ring
(1001) periphery is circumferentially uniformly installed with multiple second springs (1002)；The second spring (1002) is set to dynamic
The inside of ring seat (3)；One end of the second spring (1002) and a surface of the first gasket (10) offset；Second bullet
The other end of spring (1002) and a surface of elastic ring (5) offset.
5. a kind of mechanically-sealing apparatus of centrifugal pump according to claim 1, which is characterized in that the stationary seat (7)
One end is sheathed on the periphery of the other end of rotating seat (3)；The stationary seat (7) is threadedly engaged with rotating seat (3)；It is described quiet
One second sealing ring (701) is installed on the inside of ring seat (7)；Second sealing ring (701) is sheathed on the periphery of stationary ring (8)；
The end face of the end face and the other end of rotating seat (3) of second sealing ring (701) offsets.
6. a kind of mechanically-sealing apparatus of centrifugal pump according to claim 1 or 5, which is characterized in that the stationary seat (7)
Inside be installed with a third sealing ring (702)；The third sealing ring (702) is sheathed between pump shaft (2) and stationary ring (8)；
One end of the third sealing ring (702) and a contacted inner surfaces of stationary seat (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920439000.XU CN209704905U (en) | 2019-04-02 | 2019-04-02 | A kind of mechanically-sealing apparatus of centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920439000.XU CN209704905U (en) | 2019-04-02 | 2019-04-02 | A kind of mechanically-sealing apparatus of centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209704905U true CN209704905U (en) | 2019-11-29 |
Family
ID=68646633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920439000.XU Active CN209704905U (en) | 2019-04-02 | 2019-04-02 | A kind of mechanically-sealing apparatus of centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209704905U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032098A (en) * | 2020-08-07 | 2020-12-04 | 安徽埃斯克制泵有限公司 | Axial sealing structure of pump shaft of self-priming pump |
-
2019
- 2019-04-02 CN CN201920439000.XU patent/CN209704905U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032098A (en) * | 2020-08-07 | 2020-12-04 | 安徽埃斯克制泵有限公司 | Axial sealing structure of pump shaft of self-priming pump |
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