CN208073853U - A kind of axial-flow pump sealing shroud - Google Patents
A kind of axial-flow pump sealing shroud Download PDFInfo
- Publication number
- CN208073853U CN208073853U CN201820276072.2U CN201820276072U CN208073853U CN 208073853 U CN208073853 U CN 208073853U CN 201820276072 U CN201820276072 U CN 201820276072U CN 208073853 U CN208073853 U CN 208073853U
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- sealing shroud
- spring
- stationary ring
- axial
- seal
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Abstract
A kind of axial-flow pump sealing shroud, including sealing shroud, it is characterised in that：The sealing shroud is set as the cylindrical seal circle with boss connecting rib, the left end face of the connecting rib is provided with the first seal groove, the cylindrical seal circle left end is enclosed with sealing shroud, cylindrical seal circle outer surface is provided with the second seal groove on the right side of the sealing shroud outer surface, cylindrical seal circle inner surface is provided with stationary ring seal chamber on the right side of the sealing shroud inner surface, it is provided with stationary ring positive stop lug boss on the right side of the stationary ring seal chamber, third seal groove is provided in the stationary ring positive stop lug boss.The utility model uses integral shaft stream pump seal set, reduces the use of ring seal seat, reduces installation difficulty, while ensure that sealing effect.
Description
Technical field
The utility model belongs to axial-flow pump field, more particularly to a kind of axial-flow pump sealing shroud.
Background technology
The sealing device of axial-flow pump is cumbersome for installation, and installation requirement is high, the professional knowledge to worker itself is improved, one
Determine to increase production cost in degree.
Invention content
The utility model provides a kind of axial-flow pump sealing shroud, solves the above technical problem.
What the purpose of this utility model was realized in：A kind of axial-flow pump sealing shroud, including sealing shroud, it is characterised in that：
The sealing shroud is set as the cylindrical seal circle with boss connecting rib, the left end face setting of the connecting rib
There are the first seal groove, the cylindrical seal circle left end to be enclosed with sealing shroud, be located at circle on the right side of the sealing shroud outer surface
Cylindrical seal circle outer surface is provided with the second seal groove, is located at cylindrical seal circle inner surface on the right side of the sealing shroud inner surface
It is provided with stationary ring seal chamber, is provided with stationary ring positive stop lug boss on the right side of the stationary ring seal chamber, in the stationary ring positive stop lug boss
It is provided with third seal groove, rotating ring elastic region, rotating ring elastic region right side are provided on the right side of the stationary ring positive stop lug boss
It is provided with spring supporting face, multiple spring eyes are evenly arranged in the spring supporting face, are provided in the spring eye
Spring, the spring supporting right side of face are provided with axle sleeve limiting stand, sealing ring limit are provided on the right side of the axle sleeve limiting stand
Position platform.
The distance of left side of the spring supporting face to stationary ring seal chamber is set as L, and the L is set as 127 ~
128mm, spring left side are provided with spring pad, and the outer diameter of the spring pad is less than the internal diameter of stationary ring positive stop lug boss.
It is evenly arranged with 8-12 spring eye in the spring supporting face.
The sealing shroud is set as annular, what the annular was made of C-shaped and F shapes.
It is evenly distributed with connecting hole in the connecting rib.
The utility model uses integral shaft stream pump seal set, reduces the use of ring seal seat, and it is difficult to reduce installation
Degree, while ensure that sealing effect.The utility model includes spring, spring pad instead of ring seal seat, when axial-flow pump maintains
Spring and spring pad are only needed to change, upkeep cost is reduced；Sealing shroud is set as annular, and the annular is by C-shaped and F shapes
Composition, increase the roughness with contact surface while playing sealing effect to improve bonding strength；Spring supporting face is arrived
The distance of the left side of stationary ring seal chamber is set as L, and L is set as 127 ~ 128mm, improves the service life of spring.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is sealing shroud structural schematic diagram.
In figure：1, the first seal groove, 2, connecting rib, 2-1, connecting hole, the 3, second seal groove, 4, sealing shroud, 5, stationary ring
Seal chamber, 6, third seal groove, 7, spring, 8, spring eye, 9, axle sleeve limiting stand, 10, sealing ring limiting stand, 11, stationary ring limit
Boss, 12, rotating ring elastic region, 13, spring supporting face, 14, spring pad.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings, but not as limitations of the present invention：
In the accompanying drawings：A kind of axial-flow pump sealing shroud, including sealing shroud, it is characterised in that：The sealing shroud is set as band
There is the cylindrical seal circle of boss connecting rib 2, the left end face of the connecting rib 2 is provided with the first seal groove 1, described
Cylindrical seal circle left end be enclosed with sealing shroud 4, cylindrical seal circle outer surface is located on the right side of 4 outer surface of sealing shroud
It is provided with the second seal groove 3, cylindrical seal circle inner surface, which is provided with stationary ring, on the right side of 4 inner surface of sealing shroud seals
Chamber 5,5 right side of the stationary ring seal chamber are provided with stationary ring positive stop lug boss 11, and the is provided in the stationary ring positive stop lug boss 11
Three seal grooves 6,11 right side of stationary ring positive stop lug boss are provided with rotating ring elastic region 12, and 12 right side of rotating ring elastic region is set
It is equipped with spring supporting face 13, multiple spring eyes 8 are evenly arranged in the spring supporting face 13, are set in the spring eye 8
It is equipped with spring 7,13 right side of spring supporting face is provided with axle sleeve limiting stand 9, and 9 right side of axle sleeve limiting stand is provided with
Sealing ring limiting stand 10.
The distance of left side of the spring supporting face 13 to stationary ring seal chamber 5 is set as L, and the L is set as 127
~ 128mm, 7 left side of spring are provided with spring pad 14, and the outer diameter of the spring pad 14 is less than stationary ring positive stop lug boss 11
Internal diameter.
8-12 spring eye 8 is evenly arranged in the spring supporting face 13.
The sealing shroud 4 is set as annular, what the annular was made of C-shaped and F shapes.
It is evenly distributed with connecting hole 2-1 in the connecting rib 2.
Above-described embodiment is only intended to clearly illustrate made by the utility model and describes, and not to the limit of embodiment
It is fixed, to those of ordinary skill in the art, other various forms of variations can also be made on the basis of the above description
Or change, there is no necessity and possibility to exhaust all the enbodiments, and the obvious variation thus amplified out
Or among changing still in the scope of protection of the utility model.
Claims (5)
1. a kind of axial-flow pump sealing shroud, including sealing shroud, it is characterised in that：The sealing shroud is set as carrying boss dowel
Plate（2）Cylindrical seal circle, the connecting rib（2）Left end face be provided with the first seal groove（1）, the cylinder
Shape sealing ring left end is enclosed with sealing shroud（4）, the sealing shroud（4）It is set positioned at cylindrical seal circle outer surface on the right side of outer surface
It is equipped with the second seal groove（3）, the sealing shroud（4）It is close that cylindrical seal circle inner surface is provided with stationary ring on the right side of inner surface
Seal chamber（5）, the stationary ring seal chamber（5）Right side is provided with stationary ring positive stop lug boss（11）, the stationary ring positive stop lug boss（11）
Inside it is provided with third seal groove（6）, the stationary ring positive stop lug boss（11）Right side is provided with rotating ring elastic region（12）, described is dynamic
Ring resilience area（12）Right side is provided with spring supporting face（13）, the spring supporting face（13）Inside it is evenly arranged with multiple springs
Hole（8）, the spring eye（8）Inside it is provided with spring（7）, the spring supporting face（13）Right side is provided with axle sleeve limiting stand
（9）, the axle sleeve limiting stand（9）Right side is provided with sealing ring limiting stand（10）.
2. a kind of axial-flow pump sealing shroud according to claim 1, it is characterised in that：The spring supporting face（13）
To stationary ring seal chamber（5）The distance of left side be set as L, the L is set as 127 ~ 128mm, the spring（7）
Left side is provided with spring pad（14）, the spring pad（14）Outer diameter be less than stationary ring positive stop lug boss（11）Internal diameter.
3. a kind of axial-flow pump sealing shroud according to claim 1, it is characterised in that：The spring supporting face（13）It is interior equal
It is even to be provided with 8-12 spring eye（8）.
4. a kind of axial-flow pump sealing shroud according to claim 1, it is characterised in that：The sealing shroud（4）It is set as ring
Shape, what the annular was made of C-shaped and F shapes.
5. a kind of axial-flow pump sealing shroud according to claim 1, it is characterised in that：The connecting rib（2）It is interior uniform
Connecting hole is distributed with（2-1）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820276072.2U CN208073853U (en) | 2018-02-27 | 2018-02-27 | A kind of axial-flow pump sealing shroud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820276072.2U CN208073853U (en) | 2018-02-27 | 2018-02-27 | A kind of axial-flow pump sealing shroud |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208073853U true CN208073853U (en) | 2018-11-09 |
Family
ID=64039345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820276072.2U Active CN208073853U (en) | 2018-02-27 | 2018-02-27 | A kind of axial-flow pump sealing shroud |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208073853U (en) |
-
2018
- 2018-02-27 CN CN201820276072.2U patent/CN208073853U/en active Active
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