CN108150447A - A kind of novel freezing water pump of low abrasion for refrigeration equipment - Google Patents
A kind of novel freezing water pump of low abrasion for refrigeration equipment Download PDFInfo
- Publication number
- CN108150447A CN108150447A CN201711406171.4A CN201711406171A CN108150447A CN 108150447 A CN108150447 A CN 108150447A CN 201711406171 A CN201711406171 A CN 201711406171A CN 108150447 A CN108150447 A CN 108150447A
- Authority
- CN
- China
- Prior art keywords
- blade
- refrigeration equipment
- low abrasion
- water pump
- freezing water
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/185—Rotors consisting of a plurality of wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention provides a kind of novel freezing water pumps of the low abrasion for refrigeration equipment, including the pump housing, are spaced in intervals in the impeller axle of the pump housing equipped with the first blade and the second blade；First blade is continuous cambered surface of the edge to the second blade lean；Described sleeve pipe both ends and the junction of the first blade and the second blade are indent arcuation；The first blade longitudinal section from being continuously rendered as the first convex arc, concave arc and the second convex arc to edge successively from center；Intermediate position is equipped with third hollow unit in second blade, and being embedded with rigid element in third hollow unit further includes spacing ring；First blade diameter is less than the second blade diameter.The novel freezing water pump of low abrasion of the present invention for refrigeration equipment, first blade is arranged to continuous cambered surface of the edge to the second blade lean, relative to the blade design of complete vertical impeller axle, it is ensured that flow is entered with larger speed between the first blade and the second blade.
Description
Technical field
The invention belongs to water pump technology of freezing, more particularly, to a kind of the novel cold of low abrasion for refrigeration equipment
Freeze water pump.
Background technology
Water pump is the machinery for conveying liquid or being pressurized liquid.It transmits the mechanical energy of prime mover or other external energies
To liquid, increase liquid energy, be mainly used to conveying liquid and include water, oil, acid ＆ alkali liquid, emulsion, suspended emulsion and liquid gold
Belong to etc., it can also convey liquid, admixture of gas and the liquid containing suspended solids.The technical parameter of pump performance have flow,
Suction, lift, shaft power, water-horse power, efficiency etc..
The water pump that freezes is suitable for central air-conditioning freezing water, cooling water circulation；Central heater, direct-fired central air-conditioning health
The conveying of hot water, cycle；The cycle of technological process heat exchange medium；City central heating, follows at the conveying of heating system hot water
Ring.
Current chilled water pump noise is bigger, and when refrigeration water pump during blade there are one to be respectively independently arranged,
Easily by silting, dismounting difficulty；Furthermore independent rigid blade is unfavorable for the expansion of pump housing internal volume, and more with shaft connection place
It is connected for right angle, flow conveying is not smooth, is washing away the lower influence pump housing service life for a long time.
Invention content
In view of this, the present invention is directed to propose a kind of novel freezing water pump of low abrasion for refrigeration equipment, to overcome
The defects of prior art, can reduce noise, improve the fluency pump housing capacity of flow conveying, while can prolong the service life.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of novel freezing water pump of low abrasion for refrigeration equipment, including the pump housing, one is spaced in the impeller axle of the pump housing
Determining deviation is equipped with the first blade and the second blade；First blade and the second blade are fixedly connected by casing, and the first leaf
Piece is rigid blade, and the second blade is flexible blade；Noise reduction unit is equipped in first blade；First blade is close to the pump housing
Water inlet, the second blade is close to the water outlet of the pump housing.
Further, first blade is continuous cambered surface of the edge to the second blade lean；Described sleeve pipe both ends and the
The junction of one blade and the second blade is indent arcuation.
Further, the first blade longitudinal section from being continuously rendered as the first convex arc, concave arc successively from center to edge
With the second convex arc.
Further, centre position is equipped with the first hollow unit in first blade, is embedded in the first hollow unit
Noise reduction unit；The noise reduction unit is connected with the first blade exterior.
Further, first blade close to the second blade one side edge circumferentially arranged with several second hollow units,
Several second hollow units are connected with noise reduction unit.
Further, the noise reduction unit is aluminum fiber acoustic board.
Further, intermediate position is equipped with third hollow unit in second blade, is embedded in third hollow unit
Rigid element.
Further, second blade material is rubber；The material of first blade and rigid element is stainless steel.
Further, the rigid element is sleeved in the impeller axle of the pump housing；Casing is externally provided with filter screen, filter screen and casing
Outer wall forms enclosure space.
Further, the novel freezing water pump of the low abrasion for refrigeration equipment, further includes spacing ring；The limiting
Ring is located on pump housing inner wall separate water inlet side, and the position of spacing ring is corresponding with the position of water outlet and the second blade；Institute
The first blade diameter is stated less than the second blade diameter.
Relative to the prior art, a kind of novel freezing water pump of low abrasion for refrigeration equipment of the present invention has
Following advantage：
The novel freezing water pump of a kind of low abrasion for refrigeration equipment of the present invention, by the first blade and the second leaf
Piece is got up with casing connection, and casing and the junction of the first blade and the second blade are set as imploded arcs shape, both can be to prevent
Only silt enters the first blade and the junction of the second blade and impeller axle, the problem of causing dismounting difficult, damage the pump housing service life,
It can make again into the more smooth outflow water outlet of the flow between the first blade and the second blade；First blade is arranged to
Rigid blade, the second blade are arranged to flexible blade, and the water into the pump housing first raises speed, then appropriate through the second blade through the first blade
Dilatation (expands water capacity), can improve the working efficiency of water pump indirectly；In addition, the setting of noise reduction unit, can reduce pump working
When noise.
A kind of novel freezing water pump of low abrasion for refrigeration equipment of the present invention, is arranged to side by the first blade
Continuous cambered surface from edge to the second blade lean, relative to the blade design of complete vertical impeller axle, it is ensured that flow is with larger speed
Degree enters between the first blade and the second blade；The setting of filter screen can be filtered the water for entering the pump housing, avoid impurity pair
Each component of water pump carries out erosion corrosion, influences working performance；The setting of spacing ring can limit the angle of the second blade deviation
System avoids the second blade edge along deviation water outlet.
Description of the drawings
The attached drawing for forming the part of the present invention is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is that the simple structure of the novel freezing water pump of the low abrasion for refrigeration equipment described in the embodiment of the present invention is shown
It is intended to；
Fig. 2 is the enlarged drawing of part A in Fig. 1.
Reference sign：
The 1- pump housings；2- impeller axles；The first blades of 3-；The first convex arcs of 31-；32- concave arcs；The second convex arcs of 33-；The second leaves of 4-
Piece；5- casings；6- noise reduction units；7- water inlets；8- water outlets；The second hollow units of 9-；10- rigid elements；11- filter screens；
12- spacing rings.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instructions such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description rather than instruction or dark
Show that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right
The limitation of the present invention.In addition, term " first ", " second " etc. are only used for description purpose, and it is not intended that instruction or hint phase
To importance or the implicit quantity for indicating indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To express or implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As depicted in figs. 1 and 2, the novel freezing water pump of a kind of low abrasion for refrigeration equipment, including the pump housing 1, the pump housing 1
Impeller axle 2 on be spaced in intervals equipped with the first blade 3 and the second blade 4；First blade, 3 and second blade 4 passes through
Casing 5 is fixedly connected, and the first blade 3 is rigid blade, and the second blade 4 is flexible blade；Noise reduction list is equipped in first blade 3
Member 6；First blade 3 is close to the water inlet 7 of the pump housing 1, and the second blade 4 is close to the water outlet 8 of the pump housing 1.
First blade 3 is edge to 4 inclined continuous cambered surface of the second blade；5 both ends of described sleeve pipe and the first blade 3
Junction with the second blade 4 is indent arcuation.
First blade, 3 longitudinal section from being continuously rendered as the first convex arc 31, concave arc 32 and from center to edge successively
Two convex arcs 33.
Centre position is equipped with the first hollow unit in first blade 3, and noise reduction unit is embedded in the first hollow unit
6；The noise reduction unit 6 is connected with 3 outside of the first blade.
First blade 3 is close to 4 one side edge of the second blade circumferentially arranged with several second hollow units 9, Ruo Gan
Two hollow units 9 are connected with noise reduction unit 6；Several second hollow units 9 are in the form of a column, and central axes are parallel to impeller axle 2.
The noise reduction unit 6 is aluminum fiber acoustic board.
Intermediate position is equipped with third hollow unit in second blade 4, and rigid element is embedded in third hollow unit
10。
Second blade, 4 material is rubber；The material of first blade 3 and rigid element 10 is stainless steel.
The rigid element 10 is sleeved in the impeller axle 2 of the pump housing 1；Casing 5 is externally provided with filter screen 11, filter screen 11 and casing
5 outer walls form enclosure space.
The novel freezing water pump of the low abrasion for refrigeration equipment, further includes spacing ring 12；The spacing ring 12
Separate 7 side of water inlet, the position of spacing ring 12 are opposite with the position of 8 and second blade 4 of water outlet on 1 inner wall of the pump housing
It should；First blade, 3 diameter is less than 4 diameter of the second blade.
The novel freezing water pump of the low abrasion for refrigeration equipment described in the present embodiment, by the first blade 3 and the second leaf
Piece 4 is connected with casing 5, and the junction of 5 and first blade 3 of casing and the second blade 4 is set as imploded arcs shape, both may be used
To prevent silt from entering the first blade 3 and the second blade 4 and the junction of impeller axle 2, cause dismounting difficult, damage 1 longevity of the pump housing
The problem of life, and can make to enter the more smooth outflow water outlet 8 of the flow between the first blade 3 and the second blade 4；By
One blade 3 is arranged to rigid blade, and the second blade 4 is arranged to flexible blade, and the water into the pump housing 1 first raises speed through the first blade 3,
Again through 4 appropriate dilatation (expanding water capacity) of the second blade, the working efficiency of water pump can be improved indirectly；In addition, noise reduction unit 6 is set
It puts, noise during pump working can be reduced.
First blade 3 is arranged to side by the novel freezing water pump of the low abrasion for refrigeration equipment described in the present embodiment
Edge is to 4 inclined continuous cambered surface of the second blade, relative to the blade design of complete vertical impeller axle 2, it is ensured that flow is with larger
Speed enters between the first blade 3 and the second blade 4；The setting of filter screen 11 can be filtered the water for entering the pump housing 1, avoid
To water pump, each component carries out erosion corrosion to impurity, influences working performance；The setting of spacing ring 12, can be to 4 deviation of the second blade
Angle is limited, and 4 edge of the second blade is avoided to deviate water outlet 8.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of novel freezing water pump of low abrasion for refrigeration equipment, it is characterised in that：Including the pump housing (1), the pump housing (1)
It is spaced in intervals in impeller axle (2) equipped with the first blade (3) and the second blade (4)；First blade (3) and the second blade
(4) it is fixedly connected by casing (5), and the first blade (3) is rigid blade, the second blade (4) is flexible blade；First blade
(3) noise reduction unit (6) is equipped in；First blade (3) is close to the water inlet (7) of the pump housing (1), and the second blade (4) is close to pump
The water outlet (8) of body (1).
2. the novel freezing water pump of the low abrasion according to claim 1 for refrigeration equipment, it is characterised in that：Described
One blade (3) is edge to the inclined continuous cambered surface of the second blade (4)；Described sleeve pipe (5) both ends and the first blade (3) and second
The junction of blade (4) is indent arcuation.
3. the novel freezing water pump of the low abrasion according to claim 2 for refrigeration equipment, it is characterised in that：Described
One blade (3) longitudinal section from being continuously rendered as the first convex arc (31), concave arc (32) and the second convex arc from center to edge successively
(33)。
4. the novel freezing water pump of the low abrasion according to claim 1 for refrigeration equipment, it is characterised in that：Described
One blade (3) interior centre position is equipped with the first hollow unit, and noise reduction unit (6) is embedded in the first hollow unit；The noise reduction
It is connected outside unit (6) and the first blade (3).
5. the novel freezing water pump of the low abrasion according to claim 4 for refrigeration equipment, it is characterised in that：Described
One blade (3) is close to the second blade (4) one side edge circumferentially arranged with several second hollow units (9), several second hollow lists
First (9) are connected with noise reduction unit (6).
6. the novel freezing water pump of the low abrasion according to claim 4 or 5 for refrigeration equipment, it is characterised in that：Institute
Noise reduction unit (6) is stated as aluminum fiber acoustic board.
7. the novel freezing water pump of the low abrasion according to claim 1 for refrigeration equipment, it is characterised in that：Described
Intermediate position is equipped with third hollow unit in two blades (4), and rigid element (10) is embedded in third hollow unit.
8. the novel freezing water pump of the low abrasion according to claim 7 for refrigeration equipment, it is characterised in that：Described
Two blades (4) material is rubber；The material of first blade (3) and rigid element (10) is stainless steel.
9. the novel freezing water pump of the low abrasion according to claim 7 or 8 for refrigeration equipment, it is characterised in that：Institute
Rigid element (10) is stated to be sleeved in the impeller axle (2) of the pump housing (1)；Casing (5) is externally provided with filter screen (11), filter screen (11) and set
It manages (5) outer wall and forms enclosure space.
10. the novel freezing water pump of the low abrasion according to claim 1 for refrigeration equipment, it is characterised in that：Also wrap
Include spacing ring (12)；The spacing ring (12) is on the pump housing (1) inner wall far from water inlet (7) side, the position of spacing ring (12)
It puts corresponding with the position of water outlet (8) and the second blade (4)；It is straight that first blade (3) diameter is less than the second blade (4)
Diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711406171.4A CN108150447A (en) | 2017-12-22 | 2017-12-22 | A kind of novel freezing water pump of low abrasion for refrigeration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711406171.4A CN108150447A (en) | 2017-12-22 | 2017-12-22 | A kind of novel freezing water pump of low abrasion for refrigeration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108150447A true CN108150447A (en) | 2018-06-12 |
Family
ID=62465200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711406171.4A Withdrawn CN108150447A (en) | 2017-12-22 | 2017-12-22 | A kind of novel freezing water pump of low abrasion for refrigeration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108150447A (en) |
-
2017
- 2017-12-22 CN CN201711406171.4A patent/CN108150447A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180612 |