CN206071938U - Vertical mechanical seal for pump - Google Patents
Vertical mechanical seal for pump Download PDFInfo
- Publication number
- CN206071938U CN206071938U CN201620946181.1U CN201620946181U CN206071938U CN 206071938 U CN206071938 U CN 206071938U CN 201620946181 U CN201620946181 U CN 201620946181U CN 206071938 U CN206071938 U CN 206071938U
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- CN
- China
- Prior art keywords
- ring
- seat
- stationary
- inner sleeve
- mechanical 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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Links
- 238000007789 sealing Methods 0.000 claims abstract description 65
- 230000003068 static effect Effects 0.000 claims abstract description 9
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Mechanical Sealing (AREA)
Abstract
This utility model belongs to component of machine technical field, is related to a kind of vertical mechanical seal for pump.It includes the inner sleeve being set on main shaft, put with the interior sealing O-ring seat being fixedly connected with inner sleeve in described, interior sealing O-ring is provided with interior sealing O-ring seat and interior sealing O-ring is set on main shaft, the one end away from interior sealing O-ring seat is put in described and is detachably and fixedly provided with positioning sleeve, the static components and moving ring assembly of snug fit are provided between positioning sleeve and interior sealing O-ring seat.This utility model rotating ring, stationary ring and auxiliary body are one overall, and easy for installation, good stability, installation accuracy are high, when maintenance is changed, need not take the pump housing apart, directly can operate.
Description
Technical field
This utility model belongs to component of machine technical field, is related to a kind of vertical mechanical seal for pump.
Background technology
Mechanical seal is a kind of gland seal device of rotating machinery.Such as centrifugal pump, centrifuge, reactor and compressor etc. set
It is standby.As power transmission shaft is applied in inside and outside equipment, so, there is a circumferential clearance between axle and equipment, the medium in equipment leads to
Cross the gap to leak out, if pressure subatmospheric in equipment, air is to equipment internal leakage, it is therefore necessary to have a resistance
The gland seal device of stopping leak leakage.Used as the mechanical seal on water pump, current structure great majority adopt separate type, i.e. rotating ring and its auxiliary
Mechanism and stationary ring and its auxiliary body be to separate, such structure, its install or change when it is necessary to take the pump housing apart, compare
Trouble.
Chinese patent literature also discloses a kind of mechanical seal [application number：201110144650.X], including end face seal
The rotating ring of cooperation, stationary ring, the axle sleeve coordinated with rotating ring and/or the stationary seat coordinated with stationary ring include rigid backbone, rigid backbone
Outside bag be provided with anti-corrosion layer.So when outer masterpiece is with affecting with temperature, deformation is offset by internal rigid skeleton, to protect
The basic configuration for holding axle sleeve and stationary seat is stablized, and the program is then come by the plastics of anti-corrosion layer for the corrosiveness of hydrochloric acid
Undertake, greatly improve the service life of mechanical seal.
Such scheme extends the service life of mechanical seal, but does not solve to install replacing convenience and mechanical seal quality
Stable problem.
Utility model content
The purpose of this utility model is for the problems referred to above, there is provided a kind of vertical mechanical seal for pump.
To reach above-mentioned purpose, this utility model employs following technical proposal：A kind of vertical mechanical seal for pump, including
The inner sleeve being set on main shaft, it is described in put with the interior sealing O-ring seat being fixedly connected with inner sleeve, it is O-shaped in interior sealing
Interior sealing O-ring is provided with ring support and interior sealing O-ring is set on main shaft, it is described in put away from interior sealing O-ring seat
One end be detachably and fixedly provided with positioning sleeve, the static components of snug fit are provided between positioning sleeve and interior sealing O-ring seat
And moving ring assembly.
In above-mentioned vertical mechanical seal for pump, described moving ring assembly includes the elastic component being set in outside inner sleeve, moves
Outside inner sleeve, the two ends of elastic component bear against interior sealing O-ring seat and rotating ring to ring set, and described static components include being set in
The stationary ring being close to outside inner sleeve and with rotating ring, described stationary ring are also associated with an exterior seal assembly away from one end of rotating ring, and this is outer
Black box is put and is close to positioning sleeve in being set in.
In above-mentioned vertical mechanical seal for pump, described elastic component includes being set in the interior spring for putting, outside spring
Spring base is arranged with, the two ends of spring bear against interior sealing O-ring seat and spring base, and described spring base is close to rotating ring.
In above-mentioned vertical mechanical seal for pump, described exterior seal assembly is included with externally threaded stationary seat, institute
The stationary seat stated is provided with external seal O-ring, and stationary ring is close to stationary seat.
In above-mentioned vertical mechanical seal for pump, raise up to form the positioning table of cylinder in the middle part of described inner sleeve,
The end of interior sealing O-ring seat and rotating ring is located on positioning table respectively.
In above-mentioned vertical mechanical seal for pump, the first part sealing ring between described spring base and rotating ring, is provided with,
The second part sealing ring is provided between described stationary ring and stationary seat.
In above-mentioned vertical mechanical seal for pump, the first described part sealing ring is located on positioning table.
In above-mentioned vertical mechanical seal for pump, described spring base is provided with stage portion, described stationary ring and stationary ring
Stage portion also is provided with seat, wherein, the first part sealing ring is fastened between the stage portion of spring base and positioning table, the end of rotating ring
Portion holds out against the first part sealing ring, and the second part sealing ring is fastened between stationary ring and the stage portion of stationary seat.
In above-mentioned vertical mechanical seal for pump, described positioning sleeve is screwed on interior set.
In above-mentioned vertical mechanical seal for pump, the contact site of described rotating ring and stationary ring is in surface seal structure.
Compared with prior art, the utility model has the advantage of：Rotating ring, stationary ring and auxiliary body are one overall, are installed
Convenient, good stability, installation accuracy are high, when maintenance is changed, need not take the pump housing apart, directly can operate.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：Main shaft 1, inner sleeve 2, interior sealing O-ring seat 3, interior sealing O-ring 4, positioning sleeve 5, static components 6, rotating ring group
Part 7, elastic component 8, rotating ring 9, stationary ring 10, exterior seal assembly 11, spring 12, spring base 13, stationary seat 14, external seal O-ring 15,
Positioning table 16, the first part sealing ring 17, the second part sealing ring 18.
Specific embodiment
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
As shown in figure 1, a kind of vertical mechanical seal for pump, including the inner sleeve 2 being set on main shaft 1, in described inner sleeve 2
With the interior sealing O-ring seat 3 being fixedly connected with inner sleeve 2, interior sealing O-ring 4 and interior close is provided with interior sealing O-ring seat 3
Envelope O-ring 4 is set on main shaft 1, and interior sealing O-ring 4 is snapped in inner sleeve 2, hugs main shaft 1, interior sealing O-ring seat 3 and interior
Cover 2 integrally welded so that be very reliable herein with the water shutoff performance of main shaft 1, and be integrally formed easy for installation, save time
It is laborsaving.One end in described inner sleeve 2 away from interior sealing O-ring seat 3 is detachably and fixedly provided with positioning sleeve 5, and positioning sleeve 5 uses screw
It is fixed in inner sleeve 2, makes accurate positioning, the static components 6 of snug fit is provided between positioning sleeve 5 and interior sealing O-ring seat 3
With moving ring assembly 7.
Described moving ring assembly 7 includes the elastic component 8 being set in outside inner sleeve 2, and rotating ring 9 is enclosed within outside inner sleeve 2, elastic component 8
Two ends bear against interior sealing O-ring seat 3 and rotating ring 9, and described static components 6 include being set in inner sleeve 2 outer and tight with rotating ring 9
The stationary ring 10 of patch, described stationary ring 10 are also associated with an exterior seal assembly 11 away from one end of rotating ring 9, the exterior seal assembly 11
It is set in inner sleeve 2 and is close to positioning sleeve 5.Exterior seal assembly 11 coordinates achievable outside water shutoff with stationary ring 19.
Described elastic component 8 includes the spring 12 being set in inner sleeve 2, is arranged with spring base 13, spring 12 outside spring 12
Two ends bear against interior sealing O-ring seat 3 and spring base 13, described spring base 13 is close to rotating ring 9.In pushing away for spring 12
Under power, stationary ring 10 and rotating ring 9, can be with intact water shutoffs when running or being static, and compact conformation is reasonable.
Described exterior seal assembly 11 includes that with externally threaded stationary seat 14 described stationary seat 14 is provided with external seal
O-ring 15, stationary ring 10 are close to stationary seat 14, and outside water shutoff is provided with external seal O-ring 15 by stationary seat 14 and completes, and works as stationary ring
When seat 14 is locked at outside screw on the seal receptacle or support for being sealed, 15 interference of external seal O-ring is stuck in by envelope part (sealing
Seat or support) endoporus then, so as to realize outside water shutoff.
Raise up to form the end of the positioning table 16 of cylinder, interior sealing O-ring seat 3 and rotating ring 9 in the middle part of described inner sleeve 2
Portion is located on positioning table 16 respectively.
The first part sealing ring 17, described stationary ring 10 and stationary seat 14 are provided between described spring base 13 and rotating ring 9
Between be provided with the second part sealing ring 18.
The first described part sealing ring 17 is located on positioning table 16.
Described spring base 13 is provided with stage portion, also is provided with stage portion on described stationary ring 10 and stationary seat 14, wherein,
First part sealing ring 17 is fastened between the stage portion of spring base 13 and positioning table 16, and the end of rotating ring 9 holds out against the first part
Sealing ring 17, the second part sealing ring 18 are fastened between the stage portion of stationary ring 10 and stationary seat 14.Entirely mechanical seal is interior
The first part of water shutoff sealing ring 17 and the second part sealing ring 18 between portion's part and part completing, as a kind of preferred side
The first part of case sealing ring 17 and the second part sealing ring 18 can be teflin rings.
Described positioning sleeve 5 is screwed in inner sleeve 2, and the accurate positioning for making is not subjected to displacement.
The contact site of described rotating ring 9 and stationary ring 10 is in surface seal structure.
This utility model, rotating ring, stationary ring and auxiliary body are one overall, easy for installation, this design, the installation to machine envelope
Require and its installation accuracy, gone to a whole set of machine envelope with, repair precision when installing so as to reduce pump production, significantly
Improve production efficiency.
Specific embodiment described herein is only explanation for example to this utility model spirit.This utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from it is of the present utility model spirit or surmount scope defined in appended claims.
Although more used herein main shaft 1, inner sleeve 2, interior sealing O-ring seat 3, interior sealing O-ring 4, positioning sleeve 5,
Static components 6, moving ring assembly 7, elastic component 8, rotating ring 9, stationary ring 10, exterior seal assembly 11, spring 12, spring base 13, stationary seat
14th, the term such as external seal O-ring 15, positioning table 16, the first part sealing ring 17, second part sealing ring 18, but be not precluded from
Using the probability of other terms.It is used for the purpose of more easily describing and explaining of the present utility model using these terms
Matter；It is all contrary with this utility model spirit to be construed as any additional restriction.
Claims (10)
1. a kind of vertical mechanical seal for pump, including the inner sleeve (2) being set on main shaft (1), it is characterised in that described inner sleeve
(2) with interior sealing O-ring seat (3) being fixedly connected with inner sleeve (2) on, interior sealing O is provided with interior sealing O-ring seat (3)
Type circle (4) and interior sealing O-ring (4) is set on main shaft (1), away from interior sealing O-ring seat (3) in described inner sleeve (2)
One end is detachably and fixedly provided with positioning sleeve (5), between positioning sleeve (5) and interior sealing O-ring seat (3) is provided with the quiet of snug fit
Ring assemblies (6) and moving ring assembly (7).
2. vertical mechanical seal for pump according to claim 1, it is characterised in that described moving ring assembly (7) is including set
Inner sleeve (2) elastic component (8) outward is located at, rotating ring (9) is enclosed within inner sleeve (2) outward, and the two ends of elastic component (8) bear against interior sealing O
Type ring support (3) and rotating ring (9), described static components (6) include the stationary ring for being set in inner sleeve (2) outward and be close to rotating ring (9)
(10), described stationary ring (10) is also associated with an exterior seal assembly (11), the exterior seal assembly away from one end of rotating ring (9)
(11) it is set in inner sleeve (2) and is close to positioning sleeve (5).
3. vertical mechanical seal for pump according to claim 2, it is characterised in that described elastic component (8) is including being arranged
Spring base (13) is arranged with outside spring (12) in inner sleeve (2), spring (12), the two ends of spring (12) bear against interior sealing
O-ring seat (3) and spring base (13), described spring base (13) are close to rotating ring (9).
4. vertical mechanical seal for pump according to claim 3, it is characterised in that described exterior seal assembly (11) includes
With externally threaded stationary seat (14), described stationary seat (14) is provided with external seal O-ring (15), stationary ring (10) and stationary seat
(14) it is close to.
5. vertical mechanical seal for pump according to claim 4, it is characterised in that convex in the middle part of described inner sleeve (2)
The end for acting the positioning table (16) for forming cylinder, interior sealing O-ring seat (3) and rotating ring (9) is located on positioning table (16) respectively.
6. vertical mechanical seal for pump according to claim 5, it is characterised in that described spring base (13) and rotating ring
(9) the first part sealing ring (17) is provided between, the sealing of the second part between described stationary ring (10) and stationary seat (14), is provided with
Circle (18).
7. vertical mechanical seal for pump according to claim 6, it is characterised in that the first described part sealing ring (17)
On positioning table (16).
8. vertical mechanical seal for pump according to claim 7, it is characterised in that described spring base (13) is provided with platform
Rank portion, also is provided with stage portion on described stationary ring (10) and stationary seat (14), wherein, the first part sealing ring (17) is fastened on bullet
Between the stage portion and positioning table (16) of spring abutment (13), the end of rotating ring (9) holds out against the first part sealing ring (17), the second part
Sealing ring (18) is fastened between the stage portion of stationary ring (10) and stationary seat (14).
9. vertical mechanical seal for pump according to claim 1, it is characterised in that described positioning sleeve (5) is solid with screw
It is scheduled in inner sleeve (2).
10. vertical mechanical seal for pump according to claim 1, it is characterised in that described rotating ring (9) and stationary ring (10)
Contact site be in surface seal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620946181.1U CN206071938U (en) | 2016-08-25 | 2016-08-25 | Vertical mechanical seal for pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620946181.1U CN206071938U (en) | 2016-08-25 | 2016-08-25 | Vertical mechanical seal for pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206071938U true CN206071938U (en) | 2017-04-05 |
Family
ID=58432059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620946181.1U Active CN206071938U (en) | 2016-08-25 | 2016-08-25 | Vertical mechanical seal for pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206071938U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224283A (en) * | 2016-08-25 | 2016-12-14 | 浙江南元泵业有限公司 | Vertical mechanical seal for pump |
-
2016
- 2016-08-25 CN CN201620946181.1U patent/CN206071938U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224283A (en) * | 2016-08-25 | 2016-12-14 | 浙江南元泵业有限公司 | Vertical mechanical seal for pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 168 Xuri Road, Leidian Town, Deqing County, Huzhou City, Zhejiang Province, 313200 Patentee after: Nanyuan Pump Industry Co.,Ltd. Country or region after: China Address before: No. 88 Qingyun Road, Leidian Town, Deqing County, Huzhou City, Zhejiang Province, 313219 Patentee before: ZHEJIANG NANYUAN PUMP INDUSTRY Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |