CN205876794U - Pump is with activity choma structure - Google Patents
Pump is with activity choma structure Download PDFInfo
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- CN205876794U CN205876794U CN201620853872.7U CN201620853872U CN205876794U CN 205876794 U CN205876794 U CN 205876794U CN 201620853872 U CN201620853872 U CN 201620853872U CN 205876794 U CN205876794 U CN 205876794U
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- choma
- movable
- pump
- impeller
- sheet
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Abstract
The utility model belongs to the technical field of fluid transmission equipment, a pump is with activity choma structure is related to. It is including fixing the choma seat in the pump body, the choma seat on be equipped with a movable choma subassembly, the impeller is inserted and is established in activity choma subassembly, and when impeller edge radial movement thereby movable choma subassembly can paste tightly with the impeller all the time with the edge of impeller synchronous motion messenger activity choma subassembly. The utility model discloses and the simple to operate between the impeller can guarantee the sealed effect with the impeller along with the synchronous radial movement of impeller to improve the availability factor of pump, reduced the noise.
Description
Technical field
This utility model belongs to conveying equipment for fluid substances technical field, relates to the movable choma structure of a kind of pump.
Background technology
At present, common rustless steel multistage centrifugal pump water inlet stator, mainly by choma lid, choma, choma seat, diversion shell
Deng composition, in big flow multistage centrifugal pump, there is technological deficiency: owing to centrifugal multistage pump multiple centrifugal pump core member is to ensure that morpheme is public
On the basis of difference, axis hole tolerance fit is utilized to assemble and position.Pump installation or use during, need by impeller with
Formed between choma seat and be tightly connected state.Prior art is to be fixed on choma seat by choma sheet, when mounted, is by impeller
Oral area hold out against with choma sheet, thus reach sealing effectiveness, this makes more inconvenience in installation, and installation effectiveness is relatively low, and is using
During, impeller can rotate and cause position, now produces abrasion with choma sector-meeting or seals deficiency, causing the efficiency of pump to drop
Low, noise becomes big.
Before the applicant, the Chinese patent of application discloses a kind of pump shaft without being positioned into the turnover water body of water-outlet body structure
[application number: 201510281436.7], body includes body, the upper surface of described body offers the first seam and second only
Mouthful, the first described seam and the most disposable clamping of the second seam process；It is provided with at the top of the first seam and leads into water
Leaf, water inlet stator and the first seam match, and the second stop portion is connected with matched urceolus, and stator of intaking is arranged at urceolus
In.The above-mentioned pump shaft axiality that both can ensure that, can make again pump water inlet mouth water inlet liquid stream smooth and easy.But examining, the program is also
Do not solve the connectivity problem between stator and choma sheet of intaking, connect inconvenience.
Utility model content
The purpose of this utility model is for the problems referred to above, it is provided that a kind of pump activity choma structure.
For reaching above-mentioned purpose, this utility model have employed following technical proposal: a kind of pump activity choma structure, including
The choma seat being fixed in the pump housing, described choma seat is provided with a movable choma assembly, and impeller is plugged in movable choma group
In part, and the movable choma assembly described in when impeller moves radially can be with impeller synchronizing moving so that movable choma assembly
Edge be adjacent to impeller all the time.
In the movable choma structure of above-mentioned pump, described movable choma assembly includes the lid being fixed on choma seat
Plate, forms an annular containing cavity, is provided with choma sheet ringwise, institute in containing cavity between described cover plate and choma seat
The choma sheet stated is set on impeller and choma sheet inwall is close to impeller outer wall.
In the movable choma structure of above-mentioned pump, described choma sheet is made up of politef and in flat annulus
Shape.
In the movable choma structure of above-mentioned pump, described choma seat it is fixed with into water dividing plate and intakes dividing plate and enter
Water-outlet body is fixing to be connected.
In the movable choma structure of above-mentioned pump, described water inlet dividing plate is provided with can be with turnover water body snap-fit engagement
Dividing plate card seam, is additionally provided with the fixing ear that the centrage of two edge water inlet dividing plates is symmetrical, and described fixing ear is provided with and draws
The two ends of tight part and tension part are strained with pump housing top and turnover water body respectively and are coordinated so that the axial line of dividing plate of intaking and pump
The axial line of body overlaps.
In the movable choma structure of above-mentioned pump, described fixing ear is fixing with turnover water body to be connected, described tension
Part includes straining bar and fixing bolt, and tension bar one end is connected by fixing bolt is fixing with turnover water body, the other end and the pump housing
Top card tight fit.
In the movable choma structure of above-mentioned pump, described tension bar is welded with one away from one end of fixing bolt and draws
Tight sheet, described tension sheet is curved, and bottom tension sheet can be positioned at pump body snap-fit engagement.
In the movable choma structure of above-mentioned pump, the angle between described tension sheet and tension bar inwall is 10-
15°。
In the movable choma structure of above-mentioned pump, described choma seat is additionally provided with one piece of flow deflector.
Compared with prior art, the utility model has the advantage of: and easy for installation between impeller, can synchronize with impeller
Move radially, it is ensured that with the sealing effectiveness of impeller, thus improve the service efficiency of pump, reduce noise.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation after this utility model removes tension part；
Fig. 3 is fundamental diagram of the present utility model.
In figure: the pump housing 1, choma seat 2, movable choma assembly 3, impeller 4, cover plate 5, supporting plate 5a, containing cavity 6, choma sheet 7,
Water inlet dividing plate 8, fluid intake 8a, turnover water body 9, dividing plate card seam 10, dividing plate are fixed ear 11, tension part 12, tension bar 13, are consolidated
Determine bolt 14, tension sheet 15, flow deflector 16.
Detailed description of the invention
The utility model is described in more detail with detailed description of the invention below in conjunction with the accompanying drawings.
As shown in figures 1 and 3, a kind of pump is by movable choma structure, including the choma seat 2 being fixed in the pump housing 1, choma seat
2 are provided with a movable choma assembly 3, and impeller 4 is plugged in movable choma assembly 3, and described in when impeller 4 moves radially
Movable choma assembly 3 can be with impeller 4 synchronizing moving so that the edge of movable choma assembly 3 be adjacent to impeller 4 all the time.
Specifically, movable choma assembly 3 includes the cover plate 5 being fixed on choma seat 2, described cover plate 5 and choma seat 2
Between formed an annular containing cavity 6, containing cavity 6 is provided with choma sheet 7 ringwise, described choma sheet 7 is set in
On impeller 4 and choma sheet 7 inwall is close to impeller 4 outer wall.Choma sheet 7 is preferably made flat circular with tetrafluoroethene.Excellent
Selecting scheme, be additionally provided with one piece of supporting plate 5a below cover plate 5, supporting plate 5a is parallel with the surface of cover plate 5, thus forms an annular appearance
Putting chamber 6, the plane residing for containing cavity 6 is vertical with the axial line of the pump housing 1.
During the installation or use of pump, need to be tightly connected state by being formed between impeller 4 and choma seat 2.Existing
Technology is to be fixed on choma seat 2 by choma sheet 7, when mounted, is to be held out against with choma sheet 7 by the oral area of impeller 4, thus reaches
Sealing effectiveness, it is more inconvenient that this makes in installation, and installation effectiveness is relatively low, and in use, impeller 4 can rotate and cause
Position, now can produce abrasion or seal deficiency with choma sheet 7, causes efficiency of pump reduction, noise to become big.
In this application, choma sheet 7 can be quick for installation with impeller 4 synchronizing moving, easy to use, and can ensure close always
Envelope effect, reduces noise further, improves pump service efficiency.
Shown in Fig. 1, Fig. 2, described choma seat 2 is fixed with into water dividing plate 8 and intake dividing plate 8 and turnover water body 9
Fixing connection.Wherein, water inlet dividing plate 8 and choma seat 2 are by being welded and fixed, and water inlet dividing plate 8 outer surface is cabochon, and centre has
One fluid intake 8a, choma seat 2 is additionally provided with one piece of flow deflector 16.
This utility model, after forming fluid intake by water inlet dividing plate 8, reduces the shock surface of fluid boil on the nape opposite the mouth ring seat 2, makes mouth
Ring seat 2 held stationary, so that pump operation is steady, decreases noise, improves the work efficiency of pump.
Preferred version, shown in Fig. 2 and Fig. 3, water inlet dividing plate 8 is provided with can be with the dividing plate of turnover water body 9 snap-fit engagement
Card seam 10, is additionally provided with the fixing ear 6 that the centrage of two edge water inlet dividing plates 8 is symmetrical, and described fixing ear 6 is provided with and draws
The two ends of tight part 12 and tension part 12 are strained with the pump housing 1 top and turnover water body 9 respectively and are coordinated so that the axle center of dividing plate 8 of intaking
Line overlaps with the axial line of the pump housing 1.It is connected owing to water inlet dividing plate 8 is fixing with choma seat 2, therefore, choma seat 2 position in the axial direction
Put and also fixed, further increase pump operation stability.
Specifically, fixing ear 6 is fixing with turnover water body 9 to be connected, and described tension part 12 includes straining bar 13 with fixing
Bolt 14, tension bar 13 one end is connected by fixing bolt 14 is fixing with turnover water body 9, the other end and the pump housing 1 top card close-fitting
Close.
Tension bar 13 is welded with a tension sheet 15 away from one end of fixing bolt 14, and described tension sheet 15 is curved,
And bottom tension sheet 15 can be positioned at the internal snap-fit engagement of the pump housing 1.Preferred version, between tension sheet 15 and tension bar 13 inwall
Angle is 10-15 °.When pump is that multistage pump makes, multiple choma seat 2, tension sheet 15 is had to block with the choma seat 2 of the top in the axial direction
Connect fixing, and fixing bolt 14 is fixed with the choma seat 2 of bottom and is connected, so that multiple choma seat 2 is tightened up in the axial direction
Location, reaches steady in running, and effectively reduces noise.
Specific embodiment described herein is only to this utility model spirit explanation for example.This utility model institute
Belong to those skilled in the art described specific embodiment to make various amendment or supplement or use similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although the most more employ the pump housing 1, choma seat 2, movable choma assembly 3, impeller 4, cover plate 5, containing cavity 6,
Choma sheet 7, water inlet dividing plate 8, fluid intake 8a, turnover water body 9, dividing plate card seam 10, dividing plate are fixed ear 11, tension part 12, are drawn
Tight bar 13, fixing bolt 14, the tension term such as sheet 15, flow deflector 16, but it is not precluded from using the probability of other term.Use
These terms are only used to describe and explain essence of the present utility model more easily；It is construed as any additional
Restriction be all contrary with this utility model spirit.
Claims (9)
1. pump is by a movable choma structure, including the choma seat (2) being fixed in the pump housing (1), it is characterised in that described mouth
Ring seat (2) is provided with a movable choma assembly (3), and impeller (4) is plugged in movable choma assembly (3), and when impeller (4) edge
Movable choma assembly (3) described in when moving radially can be with impeller (4) synchronizing moving so that the edge of movable choma assembly (3)
All the time it is adjacent to impeller (4).
The movable choma structure of pump the most according to claim 1, it is characterised in that described movable choma assembly (3) bag
Include the cover plate (5) being fixed on choma seat (2), between described cover plate (5) and choma seat (2), form an annular containing cavity
(6), being provided with choma sheet (7) ringwise in containing cavity (6), described choma sheet (7) is set on impeller (4) and choma sheet
(7) inwall is close to impeller (4) outer wall.
The movable choma structure of pump the most according to claim 2, it is characterised in that described choma sheet (7) is by polytetrafluoro
Ethylene is made and in flat circular.
The movable choma structure of pump the most according to claim 1, it is characterised in that be fixed with on described choma seat (2)
Water inlet dividing plate (8) and water inlet dividing plate (8) are fixed with turnover water body (9) and are connected.
The movable choma structure of pump the most according to claim 4, it is characterised in that described water inlet dividing plate (8) is provided with
Two centrage symmetries along water inlet dividing plate (8) can be additionally provided with divide with dividing plates card seam (10) of turnover water body (9) snap-fit engagement
The fixing ear (11) of cloth, described fixing ear (11) be provided with the two ends of tension part (12) and tension part (12) respectively with the pump housing
(1) top and turnover water body (9) tension coordinate so that the axial line of dividing plate (8) of intaking overlaps with the axial line of the pump housing (1).
The movable choma structure of pump the most according to claim 5, it is characterised in that described fixing ear (11) and Inlet and outlet water
Body (9) is fixing to be connected, and described tension part (12) includes straining bar (13) and fixing bolt (14), and tension bar (13) one end is passed through
Fixing bolt (14) is fixing with turnover water body (9) to be connected, the other end and the pump housing (1) top card tight fit.
The movable choma structure of pump the most according to claim 6, it is characterised in that described tension bar (13) is away from fixing
One end of bolt (14) is welded with tension sheet (15), and described tension sheet (15) is curved, and tension sheet (15) bottom energy
Be positioned at the internal snap-fit engagement of the pump housing (1).
The movable choma structure of pump the most according to claim 7, it is characterised in that described tension sheet (15) and tension bar
(13) angle between inwall is 10-15 °.
The movable choma structure of pump the most according to claim 1, it is characterised in that be additionally provided with on described choma seat (2)
One piece of flow deflector (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620853872.7U CN205876794U (en) | 2016-08-08 | 2016-08-08 | Pump is with activity choma structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620853872.7U CN205876794U (en) | 2016-08-08 | 2016-08-08 | Pump is with activity choma structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205876794U true CN205876794U (en) | 2017-01-11 |
Family
ID=57701206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620853872.7U Active CN205876794U (en) | 2016-08-08 | 2016-08-08 | Pump is with activity choma structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205876794U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122079A (en) * | 2016-08-08 | 2016-11-16 | 浙江南元泵业有限公司 | Pump activity choma structure |
-
2016
- 2016-08-08 CN CN201620853872.7U patent/CN205876794U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122079A (en) * | 2016-08-08 | 2016-11-16 | 浙江南元泵业有限公司 | Pump activity choma structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Jin Jiming Inventor after: Yao Songbao Inventor before: Wu Weizhong Inventor before: Jin Jiming Inventor before: Yao Songbao Inventor before: Pan Zhouhua Inventor before: Shen Bin Inventor before: Chen Yusheng Inventor before: Sun Ji Inventor before: Liu Shuijun |
|
| COR | Change of bibliographic data |