CN207960964U - A kind of centrifugal pump of single stage type - Google Patents
A kind of centrifugal pump of single stage type Download PDFInfo
- Publication number
- CN207960964U CN207960964U CN201820051208.XU CN201820051208U CN207960964U CN 207960964 U CN207960964 U CN 207960964U CN 201820051208 U CN201820051208 U CN 201820051208U CN 207960964 U CN207960964 U CN 207960964U
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- pump
- shaft
- support plate
- single stage
- impeller
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Abstract
The utility model discloses a kind of centrifugals pump of single stage type, including the pump housing, pump shaft and buffer unit, the side of the pump housing is hinged with pump cover, the top of the pump housing is fixedly connected with nozzle of pouring water, the inside of the pump housing is equipped with impeller close to the end for nozzle of pouring water, axis hole on the impeller is connected with pump shaft, one end of the pump shaft is connected with shaft coupling transmission, one end of the shaft coupling and the output shaft of motor are sequentially connected, the other end of the pump shaft is interference fitted with bearing, the housing bottom of the pump housing is welded with holder, the holder is fixedly linked by fastening bolt and buffer unit.The structure design of the utility model is reasonable, and uniformly there are three blades for the circumferential direction of impeller, and certain bending is presented in blade, so as to drive liquid at high speed to rotate, increases the efficiency of the conveying of liquid, and impeller uses bronze material, has the function of good wear-resisting and corrosion resistant.
Description
Technical field
The utility model is related to centrifugal pump field, specifically a kind of centrifugal pump of single stage type.
Background technology
Centrifugal pump is to be rotated using impeller and make water that centrifugal movement occur come work.Water pump is before activation, it is necessary to make pump
It is full of water in shell and suction hose, then starts motor, pump shaft impeller and water is made to do high speed rotary motion, centrifugation fortune occurs for water
It is dynamic, it is thrown toward impeller outer edge, the runner through volute pump case flows into the pressure pipe road of water pump.Centrifugal pump is by impeller number on pump shaft
How much centrifugal pump of single stage type and centrifugal multistage pump multiple centrifugal pump can be divided into.Centrifugal pump of single stage type is no more than 80 clear water and object shooted a retrievable arrow for delivery temperature
Physicochemical property is suitable for industry and city water, draining and field irrigation similar to the liquid of water.
But existing Centrifugal Pump is small, influences the efficiency of conveying, and centrifuge the vibrations that are generated when pump operation compared with
Greatly, it is easy to cause centrifugal pump certain damage, influences the service life of centrifugal pump.
Utility model content
The purpose of this utility model is to provide a kind of centrifugals pump of single stage type, small to solve Centrifugal Pump in the prior art,
The efficiency of conveying is influenced, and the vibrations generated when centrifugation pump operation are larger, is easy to cause centrifugal pump certain damage, influence
The service life problem of centrifugal pump.
To achieve the above object, the utility model provides the following technical solutions：A kind of centrifugal pump of single stage type, including the pump housing, pump
The side of axis and buffer unit, the pump housing is hinged with pump cover, and the top of the pump housing is fixedly connected with nozzle of pouring water, the pump
The inside of body is equipped with impeller close to the end for nozzle of pouring water, and the axis hole on the impeller is connected with pump shaft, the pump shaft
The transmission of one end and shaft coupling be connected, one end of the shaft coupling and the output shaft drive connection of motor, the pump shaft it is another
One end is interference fitted with bearing, and the housing bottom of the pump housing is welded with holder, and the holder is filled by fastening bolt and buffering
It sets and is fixedly linked, the bottom of the buffer unit is fixedly mounted on pedestal, and the buffer unit includes the first support plate, second
The slowly red seat of support plate, the first buffing pad and second, it is fixed that the through-hole opened up in first support plate and the second support plate passes through
Position bar, the bottom of the locating rod is fixedly connected on the bottom of buffer unit, limited block is connected at the top of the locating rod.
Preferably, the outside of the shaft coupling is equipped with protective cover.
Preferably, it is fixedly connected with retaining ring on the shell of the pump housing.
Preferably, the interference fit of the pump shaft and bearing is equipped with gasket.
Preferably, the ring side interference fit of the pump cover has seal end plate.
Preferably, the first buffing pad, institute are installed between first support plate and the bottom sidewall of buffer unit
It states and the second buffing pad is installed between the first support plate and the second support plate.
Preferably, uniformly there are three blades for the circumferential direction of the impeller, and certain bending is presented in blade.
Compared with prior art, the utility model has the beneficial effects that：The structure design of the utility model is reasonable, the week of impeller
To uniformly there are three blades, and certain bending is presented in blade, so as to drive liquid at high speed to rotate, increases the defeated of liquid
The efficiency sent, impeller use bronze material, have the function of good wear-resisting and corrosion resistant；By being equipped with buffer unit, buffer unit
Including the first support plate, the second support plate, the first buffing pad and the second buffing pad, pacify between the first support plate and the second support plate
Equipped with the second buffing pad, buffing pad, the first buffing pad and second are equipped between the first support plate and the bottom interior wall of buffer unit
Buffing pad realizes double buffering effect, increases damping effect when centrifugation pump operation, and there is locating rod positioning well to make
With occurring the case where disk offset when buffer unit being avoided to run.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the utility model buffer unit.
In figure：The 1- pump housings, 2- pour water nozzle, 3- pump covers, 4- pump shafts, 5- retaining rings, 6- bearings, 7- protective covers, 8- shaft couplings
Device, 9- motor, 10- buffer units, 11- pedestals, 12- holders, 13- seal end plates, 14- impellers, 15- limited blocks, 16- are fixed
Position bar, the first buffing pads of 17-, the first support plates of 18-, the second support plates of 19-, the second buffing pads of 20-.
Specific implementation mode
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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1~2, in the utility model embodiment, a kind of centrifugal pump of single stage type, including the pump housing 1, pump shaft 4 and buffering
The side of device 10, the pump housing 1 is hinged with pump cover 3, and the top of the pump housing 1 is fixedly connected with nozzle 2 of pouring water, and the inside of the pump housing 1 is close
The pour water end of nozzle 2 is equipped with impeller 14, and the axis hole on impeller 14 is connected with pump shaft 4, one end of pump shaft 4 and shaft coupling
8 transmissions are connected, and one end of shaft coupling 8 is sequentially connected with the output shaft of motor 9, and the other end and 6 interference of bearing of pump shaft 4 are matched
It closes, the housing bottom of the pump housing 1 is welded with holder 12, and holder 12 is fixedly linked by fastening bolt and buffer unit 10, buffering dress
Set 10 bottom be fixedly mounted on the pedestal 11, buffer unit 10 include the first support plate 18, the second support plate 19, first buffer
Seat 17 and the second slowly red seat 20, the through-hole opened up in the first support plate 18 and the second support plate 19 pass through locating rod 16, positioning
The bottom of bar 16 is fixedly connected on the bottom of buffer unit 10, and the top of locating rod 16 is connected with limited block 15, in use, electronic
Machine 9 drives pump shaft 4 to be rotated, and 4 impeller 14 of pump shaft is rotated, and the circumferential direction of impeller 14 is uniformly distributed there are three blade, and leaf
Certain bending is presented in piece, so as to drive liquid at high speed to rotate, increases the efficiency of the conveying of liquid, impeller is using bronze
Material has the function of that good wear-resisting and corrosion resistant, the outside of shaft coupling 8 are equipped with protective cover 7, are fixedly connected on the shell of the pump housing 1
There is a retaining ring 5, the interference fit of pump shaft 4 and bearing 6 is equipped with gasket, and the ring side interference fit of pump cover 3 has seal end plate 13, the
The first buffing pad 17, the first support plate 18 and second are installed between one support plate 18 and the bottom sidewall of buffer unit 10
Second buffing pad 20 is installed, uniformly there are three blades for the circumferential direction of impeller 14, and centainly curved is presented in blade between support plate 19
It is curved.
The operation principle of the utility model is：In use, motor 9 drives pump shaft 4 to be rotated, 4 impeller of pump shaft
14 are rotated, and uniformly there are three blades for the circumferential direction of impeller 14, and certain bending is presented in blade, so as to drive liquid
High speed rotation increases the efficiency of the conveying of liquid, and impeller uses bronze material, has the function of good wear-resisting and corrosion resistant, electronic
Machine 9 and centrifugal pump are installed on buffer unit 10, and buffer unit 10 includes the first support plate 18, the second support plate 19, first
Buffing pad 17 and the second buffing pad 20, are equipped with the second buffing pad 20 between the first support plate 18 and the second support plate 19, and first
The first buffing pad 17, the first buffing pad 17 and the second buffing pad 20 are equipped between support plate 18 and the bottom interior wall of buffer unit 10
It realizes double buffering effect, increases damping effect when centrifugation pump operation, and locating rod 16 has good positioning action, keeps away
Exempt from the case where disk offset occur when buffer unit 10 is run.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (7)
1. a kind of centrifugal pump of single stage type, including the pump housing (1), pump shaft (4) and buffer unit (10), it is characterised in that:The pump housing (1)
Side be hinged with pump cover (3), the top of the pump housing (1) is fixedly connected with nozzle of pouring water (2), the inside of the pump housing (1)
It is equipped with impeller (14) close to the end for nozzle (2) of pouring water, the axis hole on the impeller (14) is connected with pump shaft (4), institute
The one end for stating pump shaft (4) is connected with shaft coupling (8) transmission, and one end of the shaft coupling (8) is driven with the output shaft of motor (9)
Connection, the other end and the bearing (6) of the pump shaft (4) are interference fitted, and the housing bottom of the pump housing (1) is welded with holder
(12), the holder (12) is fixedly linked by fastening bolt and buffer unit (10), and the bottom of the buffer unit (10) is solid
On pedestal (11), the buffer unit (10) includes the first support plate (18), the second support plate (19), the first buffering for Dingan County
Seat (17) and the second slowly red seat (20), the through-hole opened up on first support plate (18) and the second support plate (19) is across calmly
Position bar (16), the bottom of the locating rod (16) is fixedly connected on the bottom of buffer unit (10), the top of the locating rod (16)
Portion is connected with limited block (15).
2. a kind of centrifugal pump of single stage type according to claim 1, it is characterised in that：The outside of the shaft coupling (8) is equipped with anti-
Shield (7).
3. a kind of centrifugal pump of single stage type according to claim 1, it is characterised in that：It is fixed on the shell of the pump housing (1) to connect
It is connected to retaining ring (5).
4. a kind of centrifugal pump of single stage type according to claim 1, it is characterised in that：The interference of the pump shaft (4) and bearing (6)
Gasket is equipped at cooperation.
5. a kind of centrifugal pump of single stage type according to claim 1, it is characterised in that：The ring side of the pump cover (3) is interference fitted
There is seal end plate (13).
6. a kind of centrifugal pump of single stage type according to claim 1, it is characterised in that：First support plate (18) fills with buffering
It sets and is installed with the first buffing pad (17) between the bottom sidewall of (10), first support plate (18) and the second support plate
(19) the second buffing pad (20) is installed between.
7. a kind of centrifugal pump of single stage type according to claim 1, it is characterised in that：The circumferential direction of the impeller (14) is evenly equipped with three
A blade, and certain bending is presented in blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820051208.XU CN207960964U (en) | 2018-01-12 | 2018-01-12 | A kind of centrifugal pump of single stage type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820051208.XU CN207960964U (en) | 2018-01-12 | 2018-01-12 | A kind of centrifugal pump of single stage type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207960964U true CN207960964U (en) | 2018-10-12 |
Family
ID=63733062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820051208.XU Active CN207960964U (en) | 2018-01-12 | 2018-01-12 | A kind of centrifugal pump of single stage type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207960964U (en) |
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2018
- 2018-01-12 CN CN201820051208.XU patent/CN207960964U/en active Active
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