CN205154649U - Take hydraulic pressure valve for self priming pump of evacuation structure - Google Patents
Take hydraulic pressure valve for self priming pump of evacuation structure Download PDFInfo
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- CN205154649U CN205154649U CN201520928837.2U CN201520928837U CN205154649U CN 205154649 U CN205154649 U CN 205154649U CN 201520928837 U CN201520928837 U CN 201520928837U CN 205154649 U CN205154649 U CN 205154649U
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- main shaft
- pump housing
- pump
- wheel
- evacuation
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Abstract
The utility model discloses a take hydraulic pressure valve for self priming pump of evacuation structure relates to a self priming pump, including the pump body, main shaft and impeller, the axle center department of the pump body is located to the main shaft, the impeller key -type connection is on the main shaft and lie in the pump body, still is equipped with inlet and leakage fluid dram on the pump body, the right side of impeller is equipped with the evacuation cavity, is equipped with exhaust liquid hole between the liquid inlet channel at evacuation cavity and impeller place, is provided with the evacuation wheel in the evacuation cavity, and the key -type connection has spline wheel on the main shaft, and the evacuation wheel cup joints on the main shaft through spline wheel, and spline wheel's the outside is connected with the piston, and the outer peripheral face of piston and the inner wall of the pump body are clearance fit, the utility model discloses can be when the motor starts discharge gaseous in the pump through exhaust liquid hole, improve the suction of self priming pump, through be connected with a piston on spline wheel, can promote the piston and outwards move when pump body pressure reaches a degree after, and then drive spline wheel and separate with the evacuation wheel, reduced the loss of power of motor.
Description
Technical field
The utility model relates to a kind of self-priming pump, is specifically related to a kind of self-priming pump hydraulic valve with evacuation structures.
Background technique
Self-priming pump is conventional a kind of liquid transporting apparatus, and its working principle is: first in pump case, fill water (or in pump case, self has water) before starting mode of pump.After starting, impeller High Rotation Speed makes the current direction volute in impeller conduit, and at this moment enter interruption-forming vacuum, make to open into water non-return flap, the air in suction pipe enters in pump, and arrives outer rim through impeller conduit.Self-priming pump belongs to self priming centrifugal pump, it have compact structure, easy to operate, operate steadily, safeguard easily, efficiency is high, the life-span is long, and has the advantages such as stronger suction capacity.Pipeline does not need to install bottom valve, only need ensure to contain in the pump housing quantitatively to draw liquid before work.Different liquids can adopt unlike material self-priming pump.
The product of existing market is all with sucker or for liquid tank, and take up room comparatively large, sucker is perishable, and suction journey is low, reduces the life-span that product uses.
Summary of the invention
The utility model object is to provide a kind of self-priming pump hydraulic valve with evacuation structures, to solve many defects that prior art deficiency causes.
A kind of self-priming pump hydraulic valve with evacuation structures, comprise the pump housing, main shaft and impeller, the axle center place of the pump housing is located at by described main shaft, described impeller key to be connected on main shaft and to be positioned at the pump housing, the pump housing is also provided with liquid entering hole and liquid port, the right side of described impeller is provided with emptying cavity, exhaust fluid apertures is provided with between the feed pathway at emptying cavity and impeller place, emptying wheel is provided with in emptying cavity, on main shaft, key is connected with spline wheel, emptying wheel is socketed on main shaft by spline wheel, the outside of spline wheel is connected with piston, the outer circumferential face of piston and the inwall of the pump housing are Spielpassung.
Preferably, the periphery of described spline wheel is provided with a ring annular groove, and the pump housing is interspersed with valve rod, and the top of valve rod is provided with spherical movable part, and movable part is movably connected on the pump housing, and the bottom of valve rod to extend in annular groove but do not contact with the inwall of annular groove.
Preferably, the top of described valve rod is connected with plastic sphere.
Preferably, described valve rod stretches out between part outside the pump housing and the pump housing and be connected with soft rubber pipe.
Preferably, described rubber pipe is specially corrugated rubber pipe.
The utility model has the advantage of: the utility model by arranging evacuation structures in the pump housing, when electric motor starting, the gas in pump can be discharged through exhaust fluid apertures, improve the suction of self-priming pump, by being connected with a piston on spline wheel, piston outwards movement can be promoted after pump housing pressure reaches a degree, and then drive spline wheel to be separated with emptying wheel, decrease the loss of power of motor, the periphery of described spline wheel is provided with a ring annular groove, the pump housing is interspersed with valve rod, the top of valve rod is provided with spherical movable part, movable part is movably connected on the pump housing, the bottom of valve rod to extend in annular groove but does not contact with the inwall of annular groove, by setting up a valve rod, can when piston breaks down, spline wheel is separated with emptying wheel by manual promotion valve rod, the top of described valve rod is connected with plastic sphere, staff is facilitated to grip, described valve rod stretches out between part outside the pump housing and the pump housing and be connected with soft rubber pipe, avoid because the sealing between movable part and the pump housing is not enough and occur liquid or Leakage Gas, described rubber pipe is specially corrugated rubber pipe, the long service life of rubber pipe, avoid frequently changing the inconvenience brought.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of self-priming pump hydraulic valve with evacuation structures described in the utility model.
Wherein: 1-pump housing, 2-main shaft, 3-impeller, 4-liquid entering hole, 5-liquid port, 6-emptying cavity, 7-emptyingly to take turns, 8-spline is taken turns, 10-feed pathway, 11-exhaust fluid apertures, 12-piston, 13-annular groove, 14-valve rod, 15-movable part, 16-plastic sphere, 17-rubber pipe.
Embodiment
The technological means realized for making the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the utility model further.
As shown in Figure 1, a kind of self-priming pump hydraulic valve with evacuation structures, comprise the pump housing 1, main shaft 2 and impeller 3, the axle center place of the pump housing 1 is located at by described main shaft 2, described impeller 3 key to be connected on main shaft 2 and to be positioned at the pump housing 1, the pump housing 1 is also provided with liquid entering hole 4 and liquid port 5, the right side of described impeller 3 is provided with emptying cavity 6, be provided with between the feed pathway 10 at emptying cavity 6 and impeller 3 place and be vented fluid apertures 11, be provided with in emptying cavity 6 and emptyingly take turns 7, on main shaft 2, key is connected with spline wheel 8, emptyingly take turns 7 and 8 be socketed on main shaft 2 by spline wheel, the outside of spline wheel 8 is connected with piston 12, the outer circumferential face of piston 12 and the inwall of the pump housing 1 are Spielpassung, by arranging evacuation structures in the pump housing, when electric motor starting, the gas in pump can be discharged through exhaust fluid apertures 11, improve the suction of self-priming pump, by being connected with a piston 12 on spline wheel 8, piston 12 outwards movement can be promoted after pump housing pressure reaches a degree, and then drive spline wheel 8 to be separated with emptying 7, decrease the loss of power of motor.
When the pump housing 1 starts, electrical power, pump starts to rotate, and emptyingly takes turns 7 and starts working, in pump, gas is discharged, and the medium that pump is carried enters in pump, along with the minimizing of gas in pump, the medium of transport pump increases gradually, until be full of whole pump chamber, pump starts normal work.
It should be noted that, the periphery of described spline wheel 8 is provided with a ring annular groove 13, the pump housing 1 is interspersed with valve rod 14, the top of valve rod 14 is provided with spherical movable part 15, movable part 15 is movably connected on the pump housing 1, and the bottom of valve rod 14 to extend in annular groove 13 but do not contact with the inwall of annular groove 13, by setting up a valve rod 14, can when piston 12 break down, manually promote valve rod 14 and spline wheel 8 is taken turns 7 be separated with emptying.
In the present embodiment, the top of described valve rod 14 is connected with plastic sphere 16, facilitates staff to grip.
In the present embodiment, described valve rod 14 stretches out between part outside the pump housing 1 and the pump housing 1 and be connected with soft rubber pipe 17, avoid because the sealing between movable part 15 and the pump housing 1 is not enough and occur liquid or Leakage Gas, described rubber pipe 17 is specially corrugated rubber pipe, the long service life of rubber pipe 17, avoids frequently changing the inconvenience brought.
Based on above-mentioned, the utility model by arranging evacuation structures in the pump housing, when electric motor starting, the gas in pump can be discharged through exhaust fluid apertures 11, improve the suction of self-priming pump, by being connected with a piston 12 on spline wheel 8, piston 12 outwards movement can be promoted after pump housing pressure reaches a degree, and then drive spline wheel 8 to be separated with emptying 7, decrease the loss of power of motor.
As known by the technical knowledge, the utility model can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Allly all to be included in the utility model within the scope of the utility model or being equal to the change in scope of the present utility model.
Claims (5)
1. the self-priming pump hydraulic valve with evacuation structures, comprise the pump housing, main shaft and impeller, the axle center place of the pump housing is located at by described main shaft, described impeller key to be connected on main shaft and to be positioned at the pump housing, the pump housing is also provided with liquid entering hole and liquid port, it is characterized in that, the right side of described impeller is provided with emptying cavity, exhaust fluid apertures is provided with between the feed pathway at emptying cavity and impeller place, emptying wheel is provided with in emptying cavity, on main shaft, key is connected with spline wheel, emptying wheel is socketed on main shaft by spline wheel, the outside of spline wheel is connected with piston, the outer circumferential face of piston and the inwall of the pump housing are Spielpassung.
2. a kind of self-priming pump hydraulic valve with evacuation structures according to claim 1, it is characterized in that: the periphery of described spline wheel is provided with a ring annular groove, the pump housing is interspersed with valve rod, the top of valve rod is provided with spherical movable part, movable part is movably connected on the pump housing, and the bottom of valve rod to extend in annular groove but do not contact with the inwall of annular groove.
3. a kind of self-priming pump hydraulic valve with evacuation structures according to claim 2, is characterized in that: the top of described valve rod is connected with plastic sphere.
4. a kind of self-priming pump hydraulic valve with evacuation structures according to claim 3, is characterized in that: described valve rod stretches out between part outside the pump housing and the pump housing and be connected with soft rubber pipe.
5. a kind of self-priming pump hydraulic valve with evacuation structures according to claim 4, is characterized in that: described rubber pipe is specially corrugated rubber pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520928837.2U CN205154649U (en) | 2015-11-20 | 2015-11-20 | Take hydraulic pressure valve for self priming pump of evacuation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520928837.2U CN205154649U (en) | 2015-11-20 | 2015-11-20 | Take hydraulic pressure valve for self priming pump of evacuation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205154649U true CN205154649U (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520928837.2U Active CN205154649U (en) | 2015-11-20 | 2015-11-20 | Take hydraulic pressure valve for self priming pump of evacuation structure |
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| Country | Link |
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| CN (1) | CN205154649U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111532946A (en) * | 2020-05-06 | 2020-08-14 | 广东铃木电梯有限公司 | Elevator air supply system and method |
| CN112648194A (en) * | 2020-06-02 | 2021-04-13 | 扈缪洁 | Working condition self-adaptive backflow self-blocking type uncontrolled self-priming pump |
-
2015
- 2015-11-20 CN CN201520928837.2U patent/CN205154649U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111532946A (en) * | 2020-05-06 | 2020-08-14 | 广东铃木电梯有限公司 | Elevator air supply system and method |
| CN111532946B (en) * | 2020-05-06 | 2021-10-22 | 广东铃木电梯有限公司 | Elevator air supply system and method |
| CN112648194A (en) * | 2020-06-02 | 2021-04-13 | 扈缪洁 | Working condition self-adaptive backflow self-blocking type uncontrolled self-priming pump |
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| GR01 | Patent grant |