CN209586702U - A kind of horizontal volute formula mixed-flow pump - Google Patents
A kind of horizontal volute formula mixed-flow pump Download PDFInfo
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- CN209586702U CN209586702U CN201820340932.4U CN201820340932U CN209586702U CN 209586702 U CN209586702 U CN 209586702U CN 201820340932 U CN201820340932 U CN 201820340932U CN 209586702 U CN209586702 U CN 209586702U
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- pump
- impeller
- pump shaft
- pump housing
- bearing
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Abstract
The utility model relates to mixed flow pump technical fields, especially a kind of horizontal volute formula mixed-flow pump, including the pump housing, pump cover is connected on the right side of the pump housing, the pump cover is hollow structure, pump shaft is equipped in the middle part of the inner cavity of the bearing body, and one end of the pump shaft extends to the inside of the pump housing, the pump shaft, which is located on the outside of one end of pump body, is socketed with axle sleeve, the right end of the axle sleeve is connected with impeller, the sealing device being used cooperatively with pump cover is equipped between the lower part and pump housing inner wall of the impeller, the junction of the pump housing and pump shaft is equipped with filler seat, filler is filled in the filler seat, the pump shaft extends on the outside of bearing body far from one end of impeller and is connected with pump shaft coupling, the inner cavity both ends of the bearing body are equipped with bearing.The structure design of the utility model is reasonable, easy to operate, the gap size between impeller and pump cover can be maintained automatically to fix, and to guarantee the efficiency and suction head of pump, extends the service life of device.
Description
Technical field
The utility model relates to mixed flow pump technical field more particularly to a kind of horizontal volute formula mixed-flow pumps.
Background technique
The structure and performance of mixed-flow pump are that a kind of absorption centrifugal pump and axial-flow pump are excellent between axial-flow pump and centrifugal pump
Point compensates the ideal pump-type of two aspect disadvantages.It is close that plane is generallyd use under the prior art, between the impeller and pump cover of mixed-flow pump
Envelope, is necessarily required to certain gap between the impeller of rotation and the pump cover of fixation, due to the error in manufacturing process, different journeys
Degree there are axial motion and circular runout, generally use the method for addition gasket to adjust gap, the size in the gap is straight
The water-taking efficiency and suction head for influencing pump are connect, due to long-term mechanical wear, which can be continuously increased, and also result in pump
The decline of efficiency and suction head.Therefore, it is necessary to a kind of mixed-flow pumps for solving problems.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of horizontal volute formula proposed
Mixed-flow pump.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of horizontal volute formula mixed-flow pump, including the pump housing are designed, bearing body, the pump housing are connected on the left of the pump housing
Right side be connected with pump cover, the pump cover is hollow structure, is equipped with pump shaft in the middle part of the inner cavity of the bearing body, and the pump shaft
One end extends to the inside of the pump housing, and the pump shaft, which is located on the outside of one end of pump body, is socketed with axle sleeve, the right end of the axle sleeve
It is connected with impeller, the sealing device being used cooperatively with pump cover, the sealing are equipped between the lower part and pump housing inner wall of the impeller
Device includes the U-shaped frame being fixedly connected with pump housing inner wall, the vertical fixed plate in inner cavity side of the U-shaped frame, the fixed plate
Right side be connected with spring, be connected with movable plate on the right side of the spring, the outside of the U-shaped frame is described to offering sliding slot
The inner wall of sliding slot slidably connects sealed bolster plate, and the sealed bolster plate is connected by connecting rod with movable plate, the pump housing and pump
The junction of axis is equipped with filler seat, is filled with filler in the filler seat, the pump shaft extends to bearing far from one end of impeller
Pump shaft coupling is connected on the outside of body, the inner cavity left end of the bearing body is equipped with rear cover compatible with pump shaft, the bearing body
Inner cavity right end be equipped with front cover compatible with pump shaft, the inner cavity both ends of the bearing body are respectively equipped with the axis to match with pump shaft
It holds, and the bearing is between rear cover and front cover.
Preferably, the right side of the impeller is equipped with impeller nut, and the impeller nut is connected with axle sleeve, the impeller with
Impeller nut pad is equipped between impeller nut.
Preferably, the pump shaft, which is located on the outside of one end of bearing intracoelomic cavity, is socketed with interstage sleeve, and the interstage sleeve is located at bearing
Between rear cover.
Preferably, gland is equipped between the pump shaft and filler.
Preferably, the upper center of the pump housing is equipped with silk plug, and the lower end of the pump housing is connected with fixing seat.
The utility model proposes a kind of horizontal volute formula mixed-flow pump, beneficial effect is: by by traditional gasket
It is changed to self-adjustable gasket, by, equipped with fixing plate and moving plate, being connected with spring between the two in U-shaped frame inner cavity,
Movable plate is connected with sealed bolster plate by connecting rod, and sealed bolster plate is plugged in the sliding slot outside U-shaped frame, gasket after long-time service
When plate wears a part, under the elastic force effect of spring, sealed bolster plate can be skidded off from sliding slot, can be always maintained at impeller and pump
Gap size between lid is fixed.The structure design of the utility model is reasonable, easy to operate, can maintain between impeller and pump cover automatically
Gap size fix, with guarantee pump efficiency and suction head, extend the service life of device.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of horizontal volute formula mixed-flow pump structural schematic diagram；
Fig. 2 be the utility model proposes a kind of horizontal volute formula mixed-flow pump in gasket structure schematic diagram.
In figure: pump shaft coupling 1, interstage sleeve 2, bearing 3, the pump housing 4, silk plug 5, impeller 6, impeller nut 7, pump cover 8, rear cover 9, pump
Axis 10, bearing body 11, front cover 12, gland 13, filler 14, filler seat 15, axle sleeve 16, gasket 17, impeller nut pad 18,
Fixing seat 19, U-shaped frame 20, fixed plate 21, sliding slot 22, spring 23, movable plate 24, sealed bolster plate 25.
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.
Referring to Fig.1-2, a kind of horizontal volute formula mixed-flow pump, including the pump housing 4, the upper center of the pump housing 4 are equipped with silk plug 5, pump
The lower end of body 4 is connected with fixing seat 19, and leakproofness can be enhanced in silk plug 5, prevents from seeping water, and fixing seat 19 can be enhanced the pump housing 4 and put
Stability when setting improves property easy to use.
The left side of the pump housing 4 is connected with bearing body 11, and the right side of the pump housing 4 is connected with pump cover 8, and pump cover 8 is hollow structure, bearing
Pump shaft 10 is equipped in the middle part of the inner cavity of body 11, and one end of pump shaft 10 extends to the inside of the pump housing 4, pump shaft 10 is located inside the pump housing 4
One end on the outside of be socketed with axle sleeve 16, the right end of axle sleeve 16 is connected with impeller 6, and the right side of impeller 6 is equipped with impeller nut 7, impeller
Nut 7 is connected with axle sleeve 16, and impeller nut pad 18 is equipped between impeller 6 and impeller nut 7, the stabilization of impeller 6 can be enhanced
Property, avoid the occurrence of sliding.
The sealing device 17 being used cooperatively with pump cover 8, sealing device 17 are equipped between 4 inner wall of lower part and the pump housing of impeller 6
It include the U-shaped frame 20 being fixedly connected with 4 inner wall of the pump housing, the vertical fixed plate 21 in the inner cavity side of U-shaped frame 20, the right side of fixed plate 21
Side is connected with spring 23, and the right side of spring 23 is connected with movable plate 24, and the outside of U-shaped frame 20 is to offering sliding slot 22, sliding slot 22
Inner wall slidably connect sealed bolster plate 25, sealed bolster plate 25 is connected by connecting rod with movable plate 24, the pump housing 4 and pump shaft 10
Junction is equipped with filler seat 15, is filled with filler 14 in filler seat 15, gland 13 is equipped between pump shaft 10 and filler 14, can
To push down filler 14, enhance leakproofness, is conducive to the working efficiency for improving pump.
Pump shaft 10 far from the outside that one end of impeller 6 extends to bearing body 11 be connected with pump shaft coupling 1, bearing body 11 it is interior
Chamber left end is equipped with rear cover 9 compatible with pump shaft 10, and the inner cavity right end of bearing body 11 is equipped with front cover 12 compatible with pump shaft 10,
Pump shaft 10, which is located on the outside of one end of 11 inner cavity of bearing body, is socketed with interstage sleeve 2, and interstage sleeve 2 is between bearing 3 and rear cover 9, into one
The stability of step enhancing pump shaft 10, and can prevent from seeping water, the inner cavity both ends of bearing body 11 are respectively equipped with to match with pump shaft 10
Bearing 3, and bearing 3 is between rear cover 9 and front cover 12.
Working principle: when work, pump shaft coupling 1 is driven to rotate by external impetus, pump shaft coupling 1 drives 10 turns of pump shaft
It is dynamic, so that impeller 6 rotates, it is formed by water in runner from the hollow structure of pump cover 8 and sucks, then from the upper of the pump housing 4
Outlet discharge in portion drives movement under the elastic force effect of spring 23 when the sealed bolster plate 25 in sealing device 17 is worn
Plate 24 is displaced outwardly, so that sealed bolster plate 25 slides in and out along the sliding slot 22 of U-shaped frame 20, so as to maintain impeller 6
Gap size between pump cover 8 is fixed, and to guarantee the water-taking efficiency and suction head of pump, is prolonged the service life.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of horizontal volute formula mixed-flow pump, including the pump housing (4), which is characterized in that be connected with bearing on the left of the pump housing (4)
Body (11) is connected with pump cover (8) on the right side of the pump housing (4), and the pump cover (8) is hollow structure, the bearing body (11)
Pump shaft (10) are equipped in the middle part of inner cavity, and one end of the pump shaft (10) extends to the inside of the pump housing (4), the pump shaft (10) is located at
The pump housing (4) is socketed with axle sleeve (16) on the outside of internal one end, and the right end of the axle sleeve (16) is connected with impeller (6), the impeller
(6) sealing device (17) being used cooperatively with pump cover (8), the sealing device are equipped between lower part and the pump housing (4) inner wall
It (17) include the U-shaped frame (20) being fixedly connected with the pump housing (4) inner wall, the vertical fixed plate in inner cavity side of the U-shaped frame (20)
(21), it is connected with spring (23) on the right side of the fixed plate (21), is connected with movable plate (24), institute on the right side of the spring (23)
The outside of U-shaped frame (20) is stated to offering sliding slot (22), the inner wall of the sliding slot (22) slidably connects sealed bolster plate (25), institute
It states sealed bolster plate (25) to be connected by connecting rod with movable plate (24), the junction of the pump housing (4) and pump shaft (10), which is equipped with, to be filled out
Expect seat (15), be filled with filler (14) in the filler seat (15), the pump shaft (10) extends to axis far from the one end of impeller (6)
It holds and is connected with pump shaft coupling (1) on the outside of body (11), the inner cavity left end of the bearing body (11) is equipped with to be adapted with pump shaft (10)
Rear cover (9), the inner cavity right end of the bearing body (11) is equipped with pump shaft (10) compatible front cover (12), the bearing body
(11) inner cavity both ends are respectively equipped with the bearing (3) to match with pump shaft (10), and the bearing (3) be located at rear cover (9) and before
It covers between (12).
2. a kind of horizontal volute formula mixed-flow pump according to claim 1, which is characterized in that set on the right side of the impeller (6)
Have impeller nut (7), the impeller nut (7) is connected with axle sleeve (16), sets between the impeller (6) and impeller nut (7)
There are impeller nut pad (18).
3. a kind of horizontal volute formula mixed-flow pump according to claim 1, which is characterized in that the pump shaft (10) is located at bearing
It is socketed with interstage sleeve (2) on the outside of one end of body (11) inner cavity, and the interstage sleeve (2) is located between bearing (3) and rear cover (9).
4. a kind of horizontal volute formula mixed-flow pump according to claim 1, which is characterized in that the pump shaft (10) and filler
(14) gland (13) are equipped between.
5. a kind of horizontal volute formula mixed-flow pump according to claim 1, which is characterized in that in the upper end of the pump housing (4)
Portion is equipped with silk plug (5), and the lower end of the pump housing (4) is connected with fixing seat (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820340932.4U CN209586702U (en) | 2018-03-13 | 2018-03-13 | A kind of horizontal volute formula mixed-flow pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820340932.4U CN209586702U (en) | 2018-03-13 | 2018-03-13 | A kind of horizontal volute formula mixed-flow pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209586702U true CN209586702U (en) | 2019-11-05 |
Family
ID=68372074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820340932.4U Active CN209586702U (en) | 2018-03-13 | 2018-03-13 | A kind of horizontal volute formula mixed-flow pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209586702U (en) |
-
2018
- 2018-03-13 CN CN201820340932.4U patent/CN209586702U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Horizontal volute type mixed flow pump Effective date of registration: 20220120 Granted publication date: 20191105 Pledgee: Yutai County Branch of China Postal Savings Bank Co.,Ltd. Pledgor: YUTAI COUNTY WOLONG PUMP MANUFACTURING CO.,LTD. Registration number: Y2022980000789 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |