Energy-saving centrifugal water pump

Abstract

The utility model relates to the field of centrifugal water pumps, and discloses an energy-saving centrifugal water pump which comprises a bottom plate, a driving motor, a vertical plate, a bearing, a driving shaft, a rotating disc, an impeller and a circular shell. An impeller is connected to the end of the driving shaft, a rotating disc is fixed to the end, close to the impeller, of the periphery of the driving shaft through bolts, a circular shell is fixed to one end of the rotating disc through a liquid outlet pipe, and columnar blocks are connected to the two ends of the bottom of the circular shell correspondingly. Rubber blocks are arranged on the two sides, close to the bottom, of the cylindrical block, strip-shaped guide grooves are formed in the positions, close to the two sides, of one end of the top of the bottom plate, and limiting grooves are formed in the two sides of the inner walls of the strip-shaped guide grooves; the pump shell of the novel centrifugal pump is provided with the limiting structure, vibration generated when the water pump works can be effectively prevented from influencing transmission of driving axial force, the energy-saving effect of the water pump is improved, and the novel centrifugal pump is suitable for wide application and popularization.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifugal water pumps, in particular to an energy-saving centrifugal water pump. Background Art

[0002] A centrifugal water pump is a common type of water pump used to transport liquids, using centrifugal force to pump liquids from one place to another.

[0003] The conventional centrifugal water pump has the following disadvantages: 1. The pump casing of the centrifugal pump does not have a limit structure, which will produce a large vibration during operation, thereby affecting the transmission of the driving shaft force and the energy-saving effect of the water pump. Therefore, those skilled in the art provide an energy-saving centrifugal water pump to solve the problems raised in the above background technology. Utility Model Content

[0004] The main purpose of the utility model is to provide an energy-saving centrifugal water pump to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An energy-saving centrifugal water pump comprises a base plate, a driving motor, a vertical plate, a bearing, a driving shaft, a rotating disk, an impeller and a circular housing;

[0007] The end of the driving shaft is connected to an impeller, and a rotating disk is fixed by bolts at one end of the driving shaft near the impeller, and a circular shell is fixed to one end of the rotating disk through a liquid outlet pipe, and both ends of the bottom of the circular shell are connected to columnar blocks, one end of the bottom of the bottom plate is provided with a groove, and one end of the top of the bottom plate is provided with a strip guide groove, rubber blocks are provided at both sides of the columnar block near the bottom, and one end of the top of the bottom plate is provided with a strip guide groove near both sides, and limiting grooves are provided on both sides of the inner wall of the strip guide groove, and the end of the rubber block is clamped in the corresponding limiting groove, and a threaded groove is provided at the bottom of the columnar block, and a locking bolt is provided at the top of the groove through a reserved hole, and the top of the locking bolt is located in the threaded groove.

[0008] As a further solution of the utility model: a vertical plate is arranged on the top of the base plate near one end of the driving motor, a reserved groove is arranged at one end of the vertical plate, a bearing is arranged in the reserved groove, and the bearing is sleeved on the periphery of the driving shaft. The bearing has a limiting and guiding effect on the driving shaft, which can effectively improve the stability of the driving shaft during rotation.

[0009] As a further solution of the utility model: a circular groove is provided near the circular shell and the rotating disk, and a sealing ring is provided in the circular groove.

[0010] As a further solution of the utility model: a liquid inlet pipe is arranged at one end of the circular shell, and a liquid outlet pipe is arranged at one end of the top of the circular shell.

[0011] As a further solution of the utility model: the circular shell and the outer wall of the rotating disk are both provided with a corrosion-resistant layer, and the corrosion-resistant layer is made of polyurethane material. The corrosion-resistant layer made of polyurethane material can effectively improve the corrosion resistance of the outer layer of the circular shell and the rotating disk, thereby helping to increase the service life of the water pump.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. By inserting the rubber block at the bottom of the columnar block into the limiting groove, the columnar block is pre-fixed in the strip guide groove, and then by tightening the locking bolt, the locking bolt cooperates with the threaded groove to facilitate tightening between the columnar block and the limiting groove, thereby facilitating the stable fixation of the circular shell. When the circular shell needs to be disassembled, the guiding effect of the strip guide groove on the columnar block facilitates personnel to better disassemble the circular shell. The pump casing of this centrifugal water pump has a limiting structure to prevent the vibration of the pump casing when the water pump is working from affecting the transmission of the driving shaft force, thereby improving the energy-saving effect of the water pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a schematic structural diagram of an energy-saving centrifugal water pump.

[0015] Figure 2 The utility model is a schematic diagram of the cutaway structure of a circular casing of an energy-saving centrifugal water pump.

[0016] Figure 3 It is a schematic diagram of the structure of an energy-saving centrifugal water pump in a bottom view according to the utility model.

[0017] Figure 4 The utility model is a schematic diagram of the thread groove of an energy-saving centrifugal water pump.

[0018] In the figure: 1, bottom plate; 2, driving motor; 3, vertical plate; 4, bearing; 5, driving shaft; 6, rotating disk; 7, circular shell; 8, liquid inlet pipe; 9, liquid outlet pipe; 10, strip guide groove; 11, limit groove; 12, columnar block; 13, rubber block; 14, slot; 15, locking bolt; 16, impeller; 17, sealing ring; 18, threaded groove. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 In the embodiment of the utility model, an energy-saving centrifugal water pump includes a bottom plate 1, a driving motor 2, a vertical plate 3, a bearing 4, a driving shaft 5, a rotating disk 6, an impeller 16 and a circular housing 7;

[0021] An impeller 16 is connected to the end of the driving shaft 5, and a rotating disk 6 is fixed by bolts at one end of the driving shaft 5 near the impeller 16. A circular shell 7 is fixed to one end of the rotating disk 6 through a liquid outlet pipe 9. Both ends of the bottom of the circular shell 7 are connected to columnar blocks 12. A slot 14 is provided at one end of the bottom of the bottom plate 1, and a strip guide groove 10 is provided at one end of the top of the bottom plate 1. Rubber blocks 13 are provided on both sides of the columnar block 12 near the bottom, and strip guide grooves 10 are provided at one end of the top of the bottom plate 1 near both sides. Limiting grooves 11 are provided on both sides of the inner wall of the strip guide groove 10, and the ends of the rubber blocks 13 are clamped in the corresponding limiting grooves 11. A threaded groove 18 is provided at the bottom of the columnar block 12, and a locking bolt 15 is provided at the top of the slot 14 through a reserved hole, and the top of the locking bolt 15 is located in the threaded groove 18.

[0022] Among them, a vertical plate 3 is arranged at the top of the base plate 1 near one end of the driving motor 2, a reserved groove is arranged at one end of the vertical plate 3, a bearing 4 is arranged in the reserved groove, and the bearing 4 is sleeved on the outer periphery of the driving shaft 5; through the limiting and guiding effect of the bearing 4 on the driving shaft 5, the stability effect of the driving shaft 5 during rotation can be effectively improved.

[0023] A circular groove is provided near the circular shell 7 and the rotating disk 6 , and a sealing ring 17 is provided in the circular groove. The sealing ring 17 can effectively improve the sealing effect between the circular shell 7 and the rotating disk 6 .

[0024] Among them, a liquid inlet pipe 8 is arranged at one end of the circular shell 7, and a liquid outlet pipe 9 is arranged at one end of the top of the circular shell 7; the liquid inlet pipe 8 and the liquid outlet pipe 9 are used to facilitate liquid inlet and liquid outlet respectively.

[0025] Among them, the outer walls of the circular shell 7 and the rotating disk 6 are both provided with a corrosion-resistant layer, and the corrosion-resistant layer is made of polyurethane material; the corrosion-resistant layer made of polyurethane material can effectively improve the corrosion resistance of the outer layer of the circular shell 7 and the rotating disk 6, which is beneficial to improve the service life of the water pump.

[0026] The working principle of the utility model is: by inserting the rubber block 13 at the bottom end of the columnar block 12 into the limiting groove 11, the columnar block 12 is pre-fixed in the strip guide groove 10, and then by tightening the locking bolt 15, the locking bolt 15 cooperates with the threaded groove 18 to facilitate the tightening between the columnar block 12 and the limiting groove 11, thereby facilitating the stable fixation of the circular shell 7. When the circular shell 7 needs to be disassembled, the guiding effect of the strip guide groove 10 on the columnar block 12 facilitates personnel to better disassemble the circular shell 7. The pump casing of the centrifugal water pump has a limiting structure to prevent the vibration of the pump casing when the water pump is working from affecting the transmission of the force of the drive shaft 5, thereby improving the energy-saving effect of the water pump.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An energy-saving centrifugal water pump, comprising a base plate (1), a drive motor (2), a vertical plate (3), a bearing (4), a drive shaft (5), a rotating disk (6), an impeller (16) and a circular casing (7); Features: The end of the driving shaft (5) is connected to an impeller (16); a rotating disk (6) is fixed to the outer periphery of the driving shaft (5) at one end close to the impeller (16) by bolts; a circular shell (7) is fixed to one end of the rotating disk (6) via a liquid outlet pipe (9); both ends of the bottom of the circular shell (7) are connected to columnar blocks (12); a groove (14) is formed at one end of the bottom of the bottom plate (1); a strip guide groove (10) is formed at one end of the top of the bottom plate (1); and two sides of the columnar block (12) close to the bottom A rubber block (13) is arranged at each part, a strip guide groove (10) is provided at one end of the top of the bottom plate (1) near both sides, and limiting grooves (11) are provided on both sides of the inner wall of the strip guide groove (10), and the end of the rubber block (13) is clamped in the corresponding limiting groove (11), and a threaded groove (18) is provided at the bottom of the columnar block (12), and a locking bolt (15) is provided at the top of the slot (14) through a reserved hole, and the top of the locking bolt (15) is located in the threaded groove (18).

2. An energy-saving centrifugal water pump according to claim 1, characterized in that: A vertical plate (3) is arranged at the top of the bottom plate (1) near one end of the drive motor (2), a reserved groove is arranged at one end of the vertical plate (3), a bearing (4) is arranged in the reserved groove, and the bearing (4) is sleeved on the periphery of the drive shaft (5).

3. An energy-saving centrifugal water pump according to claim 1, characterized in that: A circular groove is provided at a position adjacent to the circular shell (7) and the rotating disk (6), and a sealing ring (17) is provided in the circular groove.

4. An energy-saving centrifugal water pump according to claim 1, characterized in that: A liquid inlet pipe (8) is provided at one end of the circular shell (7), and a liquid outlet pipe (9) is provided at one end of the top of the circular shell (7).

5. The energy-saving centrifugal water pump according to claim 1, characterized in that: The outer walls of the circular shell (7) and the rotating disk (6) are both provided with a corrosion-resistant layer, and the corrosion-resistant layer is made of polyurethane material.

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