CN209398589U - A kind of centrifugal variable frequency pump - Google Patents
A kind of centrifugal variable frequency pump Download PDFInfo
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- CN209398589U CN209398589U CN201920107580.2U CN201920107580U CN209398589U CN 209398589 U CN209398589 U CN 209398589U CN 201920107580 U CN201920107580 U CN 201920107580U CN 209398589 U CN209398589 U CN 209398589U
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- water
- pump housing
- pump
- water supply
- fixedly connected
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Abstract
The utility model relates to variable frequency pump technical fields, especially a kind of centrifugal variable frequency pump, including pedestal, variable-frequency motor is fixedly connected on the left of base upper surface, variable-frequency motor right side is connected with mounting bracket, the mounting bracket other end is fixedly connected with pump housing end cap, water seal is installed in the middle part of pump housing end cap right side, the main shaft of variable-frequency motor is connected with pump shaft by shaft coupling, the right end of pump shaft sequentially passes through mounting bracket, pump housing end cap and water seal outer sheath are equipped with multiple groups impeller mechanism, multiple groups impeller mechanism outer cover is equipped with the pump housing, the pump housing is connected and fixed by clamping screw and pump housing end cap, pump housing right end is fixedly connected with water inlet pipe, the first outlet pipe and the second outlet pipe are respectively arranged on the outside of the pump housing, the second outlet pipe other end is fixedly connected with water compensation mechanism.The utility model has the water supply requirement that can independently carry out moisturizing in secondary work, while be suitable for small flow, big pressure head.
Description
Technical field
The utility model relates to variable frequency pump technical field more particularly to a kind of centrifugal variable frequency pumps.
Background technique
Centrifugal water pump referred to as " centrifugal pump ", is also " centrifugal water pumper ".It is a kind of centrifugal movement using water
Water lifting machinery.Centrifugal pump is widely used in work production, but existing centrifugal pump people makes after such as making again there are some disadvantages
Used time has to carry out the pump housing artificial moisturizing, at the same centrifugal pump for supply small flow, being not suitable for of big pressure head, low efficiency,
It is restricted.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of centrifugal frequency conversion proposed
Water pump allows secondly when task independently carries out moisturizing, while being suitable for the water supply requirement of small flow, big pressure head.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of centrifugal variable frequency pump, including pedestal are designed, is fixedly connected with variable-frequency motor on the left of the base upper surface,
Variable-frequency motor right side is connected with mounting bracket；The mounting bracket other end is fixedly connected with pump housing end cap, pump housing end
Water seal is installed in the middle part of lid right side；The main shaft of the variable-frequency motor is connected with pump shaft by shaft coupling；The pump shaft
Right end sequentially passes through mounting bracket, pump housing end cap and water seal outer sheath equipped with multiple groups impeller mechanism；The multiple groups impeller mechanism is right
Side pump shaft outer sheath is equipped with gasket, is arranged with nut on the right side of gasket；The multiple groups impeller mechanism outer cover is equipped with the pump housing, and the pump housing is logical
It crosses clamping screw to be connected and fixed with pump housing end cap, the pump housing and pump housing end cap joint place are provided with sealant layer；The pump housing right end
It is fixedly connected with water inlet pipe, is respectively arranged with the first outlet pipe and the second outlet pipe on the outside of the pump housing；Second outlet pipe is another
End is fixedly connected with water compensation mechanism.
Preferably, the water compensation mechanism includes water supply tank, water supply pipe, normally closed solenoid valve, point water plate, spring and steel ball；
The water outlet of second outlet pipe is fixedly connected with water supply tank, offers ladder hole on the left of water supply tank lower surface and goes out with second
Water pipe connection；Steel ball is installed, steel ball top is provided with spring in the ladder hole；Spiral shell at the ladder hole upper end opening
Line is connected with point water plate, and point water plate lower surface is bonded with spring far from ladder hole side；On the right side of the lower surface of the water supply tank
It is provided with water supply pipe, the water supply pipe other end is connected to the second water inlet pipe；Installation settings has normally closed solenoid valve on the water supply pipe.
Preferably, the multiple groups impeller mechanism includes several blades, spacer and partition；Several blades are sheathed on pump shaft
Outside, pump shaft outer sheath is equipped with spacer between blade adjacent to each other；It uniformly is fixedly connected with support plate on the outside of the spacer, is supported
Fixing sleeve is equipped with partition on the outside of plate；The spacer right end of the separate water seal side is bonded with gasket left side.
Preferably, the shaft coupling is rubbercushioned sleeve bearing coupling.
Preferably, the water seal is mechanical seal water seal.
The utility model proposes a kind of centrifugal variable frequency pump, beneficial effect is: by pumping in the utility model
Axis outer sheath is equipped with multiple groups impeller mechanism, so that centrifugal variable frequency pump has the water supply requirement suitable for small flow, big pressure head,
Simultaneously by carrying out water storage when water supply tank is in preceding primary water supply, water supply tank pair is controlled by normally closed solenoid valve when supplying water again
The pump housing carries out moisturizing, and the function of moisturizing can be independently carried out when making it have secondary work.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of centrifugal variable frequency pump schematic view of the front view；
Fig. 2 be the utility model proposes a kind of centrifugal variable frequency pump in the schematic diagram of the section structure at A；
Fig. 3 be the utility model proposes a kind of centrifugal variable frequency pump in part B enlarged structure schematic diagram；
Fig. 4 be the utility model proposes a kind of centrifugal variable frequency pump in C portion enlarged structure schematic diagram.
In figure: pedestal 1, variable-frequency motor 2, mounting bracket 3, shaft coupling 4, pump shaft 5, pump housing end cap 6, sealant layer 7, moisturizing
Case 8, the first outlet pipe 9, the pump housing 10, water inlet pipe 11, water seal 12, water compensation mechanism 13, multiple groups impeller mechanism 14, the second outlet pipe
15, water supply pipe 16, normally closed solenoid valve 17, point water plate 18, spring 19, ladder hole 20, steel ball 21, blade 22, spacer 23, every
Plate 24, support plate 25, gasket 26, nut 27.
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.1-4, a kind of centrifugal variable frequency pump, including pedestal 1,1 upper surface of pedestal left side are fixedly connected with frequency conversion
Motor 2,2 right side of variable-frequency motor are connected with mounting bracket 3, and 3 other end of mounting bracket is fixedly connected with pump housing end cap 6,
Water seal 12 is installed, the main shaft of variable-frequency motor 2 is connected with pump shaft 5 by shaft coupling 4, pumps in the middle part of 6 right side of pump housing end cap
The right end of axis 5 sequentially passes through mounting bracket 3, pump housing end cap 6 and 12 outer sheath of water seal equipped with multiple groups impeller mechanism 14, multiple groups impeller
14 right side pump shaft of mechanism, 5 outer sheath is equipped with gasket 26, is arranged with nut 27 on the right side of gasket 26, is arranged outside multiple groups impeller mechanism 14
There is the pump housing 10, the pump housing 10 is connected and fixed by clamping screw with pump housing end cap 6, and the pump housing 10 and 6 joint place of pump housing end cap are provided with
Sealant layer 7, multiple groups impeller mechanism 14 include several blades 22, spacer 23 and partition 24, and several blades 22 are sheathed on outside pump shaft 5
Side, 22 5 outer sheaths of pump shaft of blade adjacent to each other are equipped with spacer 23, and 23 outside of spacer is uniformly fixedly connected with support plate 25,
25 outside fixing sleeve of support plate is equipped with partition 24, and 23 right end of spacer far from 12 side of water seal is bonded with 26 left side of gasket,
10 right end of the pump housing is fixedly connected with water inlet pipe 11, and the first outlet pipe 9 and second is respectively arranged on the outside of the pump housing 10 and is gone out
Water pipe 15,15 other end of the second outlet pipe are fixedly connected with water compensation mechanism 13, water compensation mechanism 13 include water supply tank 8, water supply pipe 16,
The water outlet of normally closed solenoid valve 17, point water plate 18, spring 19 and steel ball 21, the second outlet pipe 15 is fixedly connected with water supply tank 8,
Ladder hole 20 is offered on the left of 8 lower surface of water supply tank to be connected to the second outlet pipe 15, and steel ball 21 is installed in ladder hole 20,
21 top of steel ball is provided with spring 19, and point water plate 18,18 lower surface of point water plate are threaded at 20 upper end opening of ladder hole
It is bonded with spring 19 far from 20 side of ladder hole；It is provided with water supply pipe 16 on the right side of the lower surface of water supply tank 8, water supply pipe 16 is another
End is connected to the second water inlet pipe 11, and installation settings has normally closed solenoid valve 17 on water supply pipe 16, by water compensation mechanism 13 to water pump
It is carried out when secondary use automatic.
Shaft coupling 4 is rubbercushioned sleeve bearing coupling, generates vibration when avoiding variable-frequency motor 2 and centrifugation pump drive.
Water seal 12 is mechanical seal water seal, so that the better tightness between pump housing end cap 6 and pump shaft 5.
Working principle: when work, variable-frequency motor 2 drives pump shaft 5 by shaft coupling 4, will be by leaf using nut 27
The multiple groups impeller that piece 22, spacer 23 and partition 24 form is fitted close, while driving multiple groups impeller in the pump housing 10 using pump shaft 5
Liquid-driving carry out centrifugal movement so that equally have a big pressure head when centrifugal pump supplies small flow, liquid is from water inlet
After pipe 11 is drawn into the pump housing 10, a part is discharged in the first outlet pipe, and another part pushes steel through the second outlet pipe 15
Ball 21 is flowed into water supply tank 8 after squeezing spring 19, is reduced water body using point water plate 18 and is entered the pressure in water supply tank 8, works as change
When frequency motor 2 slows down or closes, steel ball 21 shuts ladder hole 20 under the effect of 19 elastic force of spring, restarts variable-frequency motor 2
When, normally closed solenoid valve 17 obtains electric opening, and the liquid in water supply tank 8 successively enters after water supply pipe 16, the second outlet pipe 15
Water pump is automatically replenished in the pump housing 10.
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 centrifugal variable frequency pump, including pedestal (1), which is characterized in that be fixedly connected on the left of pedestal (1) upper surface
Have variable-frequency motor (2), variable-frequency motor (2) right side is connected with mounting bracket (3)；Mounting bracket (3) other end is solid
Surely it is connected with pump housing end cap (6), water seal (12) is installed in the middle part of pump housing end cap (6) right side；The main shaft of the variable-frequency motor (2)
Pump shaft (5) are connected with by shaft coupling (4)；The right end of the pump shaft (5) sequentially passes through mounting bracket (3), pump housing end cap
(6) and water seal (12) outer sheath is equipped with multiple groups impeller mechanism (14)；Pump shaft (5) outer sheath on the right side of the multiple groups impeller mechanism (14)
Equipped with gasket (26), nut (27) are arranged on the right side of gasket (26)；Multiple groups impeller mechanism (14) outer cover is equipped with the pump housing
(10), the pump housing (10) is connected and fixed by clamping screw with pump housing end cap (6), and the pump housing (10) and pump housing end cap (6) joint place are set
It is equipped with sealant layer (7)；The pump housing (10) right end is fixedly connected with water inlet pipe (11), and the is respectively arranged on the outside of the pump housing (10)
One outlet pipe (9) and the second outlet pipe (15)；Second outlet pipe (15) other end is fixedly connected with water compensation mechanism (13).
2. centrifugal variable frequency pump according to claim 1, which is characterized in that the water compensation mechanism (13) includes water supply tank
(8), water supply pipe (16), normally closed solenoid valve (17), point water plate (18), spring (19) and steel ball (21)；Second outlet pipe
(15) water outlet is fixedly connected with water supply tank (8), is offered ladder hole (20) on the left of water supply tank (8) lower surface and is gone out with second
Water pipe (15) connection；It is equipped with steel ball (21) in the ladder hole (20), steel ball (21) top is provided with spring (19)；It is described
It is threaded with point water plate (18) at ladder hole (20) upper end opening, point water plate (18) lower surface and spring (19) are far from ladder
The fitting of through-hole (20) side；Be provided with water supply pipe (16) on the right side of the lower surface of the water supply tank (8), water supply pipe (16) other end with
Second water inlet pipe (11) connection；Installation settings has normally closed solenoid valve (17) on the water supply pipe (16).
3. centrifugal variable frequency pump according to claim 1, which is characterized in that the multiple groups impeller mechanism (14) is if include
Cured leaf piece (22), spacer (23) and partition (24)；Several blades (22) are sheathed on the outside of pump shaft (5), leaf adjacent to each other
Pump shaft (5) outer sheath is equipped with spacer (23) between piece (22)；It is uniformly fixedly connected with support plate (25), props up on the outside of the spacer (23)
Fixing sleeve is equipped with partition (24) on the outside of fagging (25)；Spacer (23) right end of separate water seal (12) side and gasket (26) are left
Side fitting.
4. centrifugal variable frequency pump according to claim 1, which is characterized in that the shaft coupling (4) is elastic sleeve pin
Shaft coupling.
5. centrifugal variable frequency pump according to claim 1, which is characterized in that the water seal (12) is mechanical seal water
Envelope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920107580.2U CN209398589U (en) | 2019-01-23 | 2019-01-23 | A kind of centrifugal variable frequency pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920107580.2U CN209398589U (en) | 2019-01-23 | 2019-01-23 | A kind of centrifugal variable frequency pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209398589U true CN209398589U (en) | 2019-09-17 |
Family
ID=67898745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920107580.2U Active CN209398589U (en) | 2019-01-23 | 2019-01-23 | A kind of centrifugal variable frequency pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209398589U (en) |
-
2019
- 2019-01-23 CN CN201920107580.2U patent/CN209398589U/en active Active
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