CN206398084U - Pitot tube pump radial double mechanical seal - Google Patents
Pitot tube pump radial double mechanical seal Download PDFInfo
- Publication number
- CN206398084U CN206398084U CN201720046977.6U CN201720046977U CN206398084U CN 206398084 U CN206398084 U CN 206398084U CN 201720046977 U CN201720046977 U CN 201720046977U CN 206398084 U CN206398084 U CN 206398084U
- Authority
- CN
- China
- Prior art keywords
- static components
- gland
- ring
- mechanical seal
- interior
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model is related to a kind of mechanical seal, more particularly to a kind of pitot tube pump radial double mechanical seal.Including interior static components, outer static components, moving ring assembly and gland, the outer end of described interior static components is provided with the outer static components being separately distributed with interior static components, described interior static components and outer static components formation static components, described moving ring assembly is located at the outer end of static components, described static components are in airtight connection with moving ring assembly, described static components are partly embedded in gland, described static components are connected with gland in movable sealing, between the bottom of described interior static components and gland, spring is respectively equipped between the bottom of outer static components and gland.A kind of pitot tube pump radial double mechanical seal compact conformation, lifts performance, improves operation validity.
Description
Technical field
The utility model is related to a kind of mechanical seal, more particularly to a kind of pitot tube pump radial double mechanical seal.
Background technology
Tradition machinery sealing can not meet it is existing the need for, sealing is not relatively strong.
Chinese patent 201280018805.8, discloses a kind of mechanical seal, and it can improve the dividing body for constituting sealing ring
Positioning precision.In the mechanical seal of the present invention, on rotating ring, the vertical plane of rotating ring axis is provided perpendicular to, and
In outer peripheral face side with the conical surface that diameter reduces away from vertical plane, pass through the supporting member by supporting vertical plane and the pushing conical surface
Compacting part clamp rotating ring periphery surface side, multiple dividing bodies are fixed with the state being positioned, supporting member and hang down
Elastomeric element is configured between facing directly, by elastomeric element support vertical plane, and the inner peripheral surface side of compacting part the conical surface with straight
The state of surfaces brought into contact pushes the conical surface.This structure is relative complex, and suitability is poor.
Utility model content
The utility model is mainly solution the deficiencies in the prior art there is provided a kind of compact conformation, solves existing skill
Mechanical seal present in art can not be applied in pitot tube pump, and existing mechanical seal can not apply axial dimension it is short and
In the new pitot tube pump for needing cooling again, when medium temperature is higher, mechanical seal is accomplished by being cooled down, and existing machine
Tool sealing can not meet this condition, so as to be also easy to produce leakage and trigger a kind of pitot tube pump radial direction double end-face machine of security incident
Tool is sealed.
Above-mentioned technical problem of the present utility model is mainly what is be addressed by following technical proposals：
A kind of pitot tube pump radial double mechanical seal, including interior static components, outer static components, moving ring assembly and pressure
Lid, the outer end of described interior static components is provided with the outer static components being separately distributed with interior static components, described interior stationary ring
Component and outer static components formation static components, described moving ring assembly are located at the outer end of static components, described static components
It is in airtight connection with moving ring assembly, described static components are partly embedded in gland, described static components and gland are in activity
Formula is tightly connected, and bullet is respectively equipped between the bottom of described interior static components and gland, between the bottom of outer static components and gland
Spring；
The inwall formation positioning hole of the inwall of described moving ring assembly and gland, the inwall and gland of described moving ring assembly
Inwall be in same level EDS maps.
Preferably, between the inner ring of the outer end of described moving ring assembly, the inwall of interior static components and gland, outer stationary ring group
Between the outer wall of part and the outer ring of gland, the bottom of gland be respectively equipped with O-ring；
The stop bit block with the movable stop bit of gland phase is provided with described outer static components.
Preferably, passing through movable bolt and gland activity orientation, institute in described interior static components and outer static components
The edge for the moving ring assembly stated is provided with some pins, and the bottom of described gland is provided with some alignment pins, the side of described gland
Edge is provided with some stay bolts.
Preferably, the bottom of described gland, which is provided with outside back-up ring, described back-up ring, is cased with back-up ring O-ring.
Preferably, the thickness of described back-up ring is 1.5mm.
New pitot tube pump is widely used to the industries such as oil, chemical industry at present, and all higher using rotating speed, rotating speed
For 3000~5000rpm, suction pressure is in 0.5~1.5MPa, and outlet pressure is up to 10MPa or so.At -20~180 DEG C
Under the conditions of the long-term any medium for operating and conveying any concentration.
Therefore, a kind of pitot tube pump radial double mechanical seal of the present utility model, compact conformation lifts usability
Can, improve operation validity.
Brief description of the drawings
Fig. 1 is cross section structure diagram of the present utility model.
Embodiment
Below by embodiment, and with reference to accompanying drawing, the technical solution of the utility model is described in further detail.
Embodiment 1：As shown in figure 1, a kind of pitot tube pump radial double mechanical seal, including it is interior static components 1, outer quiet
Ring assemblies 2, moving ring assembly 3 and gland 4, the outer end of described interior static components 1 are provided with what is be separately distributed with interior static components 1
Outer static components 2, described interior static components 1 and the formation static components of outer static components 2, described moving ring assembly 3 is located at quiet
The outer end of ring assemblies, described static components and moving ring assembly 3 are in airtight connection, and described static components are partly embedded in gland 4
In, described static components are connected with gland 4 in movable sealing, between the bottom of described interior static components 1 and gland 4, outer
Spring 5 is respectively equipped between the bottom of static components 2 and gland 4；
The inwall formation positioning hole 6 of the inwall of described moving ring assembly 3 and gland 4, the inwall of described moving ring assembly 3 with
The inwall of gland 4 is in same level EDS maps.
Between the inner ring of the outer end of described moving ring assembly 3, the inwall of interior static components 1 and gland 4, outer static components 2
Between the outer ring of outer wall and gland 4, the bottom of gland 4 be respectively equipped with O-ring 7；
The stop bit block 8 with the movable stop bit of the phase of gland 4 is provided with described outer static components 2.
By movable bolt 9 and the dynamic positioning of gland work 4 in described interior static components 1 and outer static components 2, described is dynamic
The edge of ring assemblies 3 is provided with some pins 10, and the bottom of described gland 4 is provided with some alignment pins 11, the side of described gland 4
Edge is provided with some stay bolts 12.
The bottom of described gland 4 is provided with outside back-up ring 13, described back-up ring 13 and is cased with back-up ring O-ring 14.
The thickness of described back-up ring 13 is 1.5mm.
Claims (5)
1. a kind of pitot tube pump radial double mechanical seal, it is characterised in that：Including interior static components (1), outer static components
(2), moving ring assembly (3) and gland (4), the outer end of described interior static components (1) is provided with separately to be divided with interior static components (1)
The outer static components (2) of cloth, described interior static components (1) and outer static components (2) formation static components, described rotating ring group
Part (3) is located at the outer end of static components, and described static components and moving ring assembly (3) are in airtight connection, described static components
Partly it is embedded in gland (4), described static components are connected with gland (4) in movable sealing, described interior static components (1)
Bottom and gland (4) between, between the bottom of outer static components (2) and gland (4) be respectively equipped with spring (5)；
The inwall formation positioning hole (6) of the inwall of described moving ring assembly (3) and gland (4), described moving ring assembly (3) it is interior
The inwall of wall and gland (4) is in same level EDS maps.
2. a kind of pitot tube pump radial double mechanical seal according to claim 1, it is characterised in that：Described rotating ring
Between the inner ring of the outer end of component (3), the inwall of interior static components (1) and gland (4), the outer wall and gland of outer static components (2)
(4) between outer ring, the bottom of gland (4) be respectively equipped with O-ring (7)；
The stop bit block (8) with the movable stop bit of gland (4) phase is provided with described outer static components (2).
3. a kind of pitot tube pump radial double mechanical seal according to claim 1 or 2, it is characterised in that：Described
Pass through movable bolt (9) and gland (4) activity orientation, described moving ring assembly in interior static components (1) and outer static components (2)
(3) edge is provided with some pins (10), and the bottom of described gland (4) is provided with some alignment pins (11), described gland (4)
Edge be provided with some stay bolts (12).
4. a kind of pitot tube pump radial double mechanical seal according to claim 1 or 2, it is characterised in that：Described
The bottom of gland (4) is provided with outside back-up ring (13), described back-up ring (13) and is cased with back-up ring O-ring (14).
5. a kind of pitot tube pump radial double mechanical seal according to claim 4, it is characterised in that：Described back-up ring
(13) thickness is 1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720046977.6U CN206398084U (en) | 2017-01-16 | 2017-01-16 | Pitot tube pump radial double mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720046977.6U CN206398084U (en) | 2017-01-16 | 2017-01-16 | Pitot tube pump radial double mechanical seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206398084U true CN206398084U (en) | 2017-08-11 |
Family
ID=59519304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720046977.6U Expired - Fee Related CN206398084U (en) | 2017-01-16 | 2017-01-16 | Pitot tube pump radial double mechanical seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206398084U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139913A (en) * | 2018-10-24 | 2019-01-04 | 中国船舶重工集团公司第七0五研究所 | A kind of radial direction double end-face mechanical sealing device |
| CN110486475A (en) * | 2019-09-12 | 2019-11-22 | 中国石油大学胜利学院 | A kind of wave bullet formula mechanically-sealing apparatus |
-
2017
- 2017-01-16 CN CN201720046977.6U patent/CN206398084U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139913A (en) * | 2018-10-24 | 2019-01-04 | 中国船舶重工集团公司第七0五研究所 | A kind of radial direction double end-face mechanical sealing device |
| CN110486475A (en) * | 2019-09-12 | 2019-11-22 | 中国石油大学胜利学院 | A kind of wave bullet formula mechanically-sealing apparatus |
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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 |
Granted publication date: 20170811 Termination date: 20220116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |