Centrifugal water pump with function of reducing inner wall erosion

Abstract

The utility model discloses a centrifugal water pump with the effect of reducing inner wall erosion, and relates to the field of centrifugal water pumps, the centrifugal water pump comprises a fixed cylinder and a protective shell, the inside of the fixed cylinder is rotatably connected with a rotating shaft, one end of the rotating shaft extends into the protective shell, the other end of the rotating shaft extends out of the fixed cylinder, and the protective shell is fixedly connected with the fixed cylinder. The outer side of the extending end is sleeved with a protective sleeve, one side of the protective sleeve is fixedly connected with the end of the fixing cylinder, and a groove is formed in the side, away from the protective shell, of the interior of the protective sleeve. In actual operation, a silica gel pad is arranged on the inner wall of the protective shell, so that the impact effect of water flow on the inner wall of the protective shell can be relieved; and the silica gel pad has elasticity and can be used as a protective layer to reduce erosion of water flow, and meanwhile, the silica gel pad can absorb part of noise generated by impact of the water flow.

Description

Technical Field

[0001] The utility model relates to the field of centrifugal water pumps, in particular to a centrifugal water pump capable of reducing inner wall erosion. Background Art

[0002] A water pump is a machine that transports liquids or pressurizes liquids. It transfers the mechanical energy of the prime mover or other external energy to the liquid to increase the energy of the liquid. It is mainly used to transport liquids including water, oil, acid and alkali liquids, emulsions, suspensions and liquid metals.

[0003] In order to transport liquid, the pump body will be equipped with an impeller inside. The rotation of the impeller drives the water flow for transportation. The water flow driven by the impeller will impact the inner wall. Under long-term impact, the inner wall will be corroded and damaged.

[0004] Therefore, it is necessary to propose a centrifugal water pump with reduced inner wall erosion to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a centrifugal water pump with the function of reducing the erosion of the inner wall, so as to solve the problem that in order to transport liquid, an impeller is arranged inside the pump body, and the water flow is driven by the rotation of the impeller to transport the liquid. The water flow is driven by the impeller to impact the inner wall, and the inner wall will be corroded and damaged under long-term impact.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a centrifugal water pump with the function of reducing inner wall erosion, comprising a fixed cylinder and a protective shell, the interior of the fixed cylinder is rotatably connected with a rotating shaft, one end of the rotating shaft extends into the interior of the protective shell, and the other end of the rotating shaft extends out of the fixed cylinder, and a protective sleeve is provided on the outer side of the extended end, one side of the protective sleeve is fixedly connected to the end of the fixed cylinder, a groove is provided on the side of the protective sleeve away from the protective shell, a cleaning brush is fixed to the bottom end of the groove, the bottom end of the cleaning brush is attached to the outer side of the rotating shaft, a fan is fixed to one side of the top end of the fixed cylinder, a heat dissipation mechanism is provided on the inner side of the protective sleeve, the heat dissipation mechanism is connected to the air outlet of the fan, and support frames are fixed to the bottom ends of the fixed cylinder and the protective shell.

[0007] Preferably, the heat dissipation mechanism includes an air cavity, which is opened inside the protective cover, and a plurality of air holes are opened at the bottom end of the inner side of the protective cover and the side of the groove close to the cleaning brush, the air outlet of the fan, the air cavity and the plurality of air holes are connected in sequence, and the air outlet of the fan and the air cavity are connected by an air pipe.

[0008] Preferably, a rotating wheel is rotatably arranged inside the protective shell, the rotating shaft and the inner ring of the rotating wheel are fixedly connected, and a plurality of blades are arranged around the interior of the rotating wheel.

[0009] Preferably, a through opening is opened on a side of the rotating wheel away from the fixing tube, and a circle of silicone pad is arranged on the inner side of the protective shell, with a gap left between the inner side of the silicone pad and the outer side of the rotating wheel.

[0010] Preferably, a first water inlet and a second water inlet are respectively provided at the top of the protective shell and a side away from the fixed cylinder, the second water inlet is connected to the through port, and a through groove is provided at the top of the silicone pad, the through groove is connected to the first water inlet.

[0011] Technical effects and advantages of the utility model:

[0012] 1. In the actual operation of the present invention, a silicone pad is provided on the inner wall of the protective shell, which can reduce the impact of water flow on the inner wall of the protective shell and start the buffering effect. Since the silicone pad itself has elasticity, it can serve as a protective layer to reduce the erosion of water flow. At the same time, the silicone pad can absorb part of the noise generated by the impact of water flow.

[0013] 2. In the actual operation of the utility model, when the rotating shaft rotates, the outer side of the rotating shaft will contact the cleaning brush to clean the dust on the outer side of the rotating shaft, and at the same time, it can prevent external dust from entering the connection between the rotating shaft and the fixed cylinder to cause blockage. Further, the fan is started, and the generated wind force is discharged from multiple air holes. Part of the wind force can be blown to the cleaning brush to prevent the entry of dust. During the cleaning process of the cleaning brush, the dust is blown out of the protective cover. At the same time, the wind force generated by the fan can dissipate heat to the outer side of the rotating shaft to avoid excessive rotation time and cause heat accumulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a schematic structural diagram of a centrifugal water pump capable of reducing inner wall erosion.

[0015] Figure 2 It is a structural schematic diagram of the rotating wheel of the utility model.

[0016] Figure 3 It is a structural schematic diagram of the silicone pad of the utility model.

[0017] Figure 4 This is a schematic diagram of the internal structure of the protective cover of the utility model.

[0018] In the figure: 1. fixed cylinder; 2. support frame; 3. rotating shaft; 4. fan; 5. air pipe; 6. protective cover; 7. protective shell; 8. rotating wheel; 9. blades; 10. opening; 11. silicone pad; 12. cleaning brush; 13. air cavity; 14. air hole; 15. groove. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clarify the technical solutions in the embodiments of the utility model; it is completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. 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] The utility model provides Figure 1 - Figure 4 A centrifugal water pump with the function of reducing inner wall erosion is shown, comprising a fixed cylinder 1 and a protective shell 7, wherein the fixed cylinder 1 is internally rotatably connected with a rotating shaft 3, one end of the rotating shaft 3 extends into the interior of the protective shell 7, and the other end of the rotating shaft 3 extends out of the fixed cylinder 1, and the protective shell 7 is internally rotatably provided with a rotating wheel 8, the rotating shaft 3 and the inner ring of the rotating wheel 8 are fixedly connected, and a plurality of blades 9 are arranged around the interior of the rotating wheel 8. In the actual operation of the utility model, the rotating shaft 3 can be connected to a driving device, such as a motor, and the driving device drives the rotating shaft 3 and the rotating wheel 8 to rotate, and the rotating wheel 8 drives the blades 9 to rotate while rotating, thereby realizing the output of water flow.

[0021] A through opening 10 is provided on the side of the rotating wheel 8 away from the fixed cylinder 1, a circle of silicone pad 11 is provided on the inner side of the protective shell 7, a gap is left between the inner side of the silicone pad 11 and the outer side of the rotating wheel 8, a first water outlet and a second water outlet are respectively provided at the top of the protective shell 7 and the side away from the fixed cylinder 1, the second water outlet is connected to the through opening 10, a through groove is provided at the top of the silicone pad 11, and the through groove is connected to the first water outlet.

[0022] In the actual operation of the present invention, a silicone pad 11 is provided on the inner wall of the protective shell 7, which can reduce the impact of water flow on the inner wall of the protective shell 7 and activate the buffering effect. Since the silicone pad 11 itself has elasticity, it can serve as a protective layer to reduce the erosion of water flow. At the same time, the silicone pad 11 can absorb part of the noise generated by the impact of water flow.

[0023] A protective sleeve 6 is provided on the outer side of the protruding end, one side of the protective sleeve 6 is fixedly connected to the end of the fixed cylinder 1, a groove 15 is provided on the side of the protective sleeve 6 away from the protective shell 7, a cleaning brush 12 is fixed to the bottom end of the groove 15, the bottom end of the cleaning brush 12 is attached to the outer side of the rotating shaft 3, a fan 4 is fixed to one side of the top end of the fixed cylinder 1, a heat dissipation mechanism is provided on the inner side of the protective sleeve 6, the heat dissipation mechanism is connected to the air outlet of the fan 4, and a support frame 2 is fixed to the bottom ends of the fixed cylinder 1 and the protective shell 7.

[0024] The heat dissipation mechanism includes an air cavity 13, which is opened inside the protective cover 6. A plurality of air holes 14 are opened at the bottom end of the inner side of the protective cover 6 and the side of the groove 15 close to the cleaning brush 12. The air outlet of the fan 4, the air cavity 13 and the plurality of air holes 14 are connected in sequence, and the air outlet of the fan 4 and the air cavity 13 are connected by an air pipe 5.

[0025] In the actual operation of the present invention, when the rotating shaft 3 rotates, the outer side of the rotating shaft 3 will contact the cleaning brush 12 to clean the dust on the outer side of the rotating shaft 3, and at the same time, it can prevent external dust from entering the connection between the rotating shaft 3 and the fixed cylinder 1 to cause blockage. Further, the fan 4 is started, and the generated wind force is discharged from the multiple air holes 14. A part of the wind force can be blown to the cleaning brush 12 to prevent the entry of dust. During the cleaning process of the cleaning brush 12, the dust is blown out of the protective cover 6. At the same time, the wind force generated by the fan 4 can dissipate heat to the outer side of the rotating shaft 3 to avoid excessive rotation time and heat accumulation.

Claims

1. A centrifugal water pump with the function of reducing inner wall erosion, comprising a fixed cylinder (1) and a protective casing (7), characterized in that: The interior of the fixed cylinder (1) is rotatably connected with a rotating shaft (3), one end of the rotating shaft (3) extends into the interior of the protective shell (7), and the other end of the rotating shaft (3) extends out of the fixed cylinder (1), and a protective sleeve (6) is sleeved on the outer side of the extended end, one side of the protective sleeve (6) is fixedly connected to the end of the fixed cylinder (1), a groove (15) is provided on the side of the protective sleeve (6) away from the protective shell (7), a cleaning brush (12) is fixed to the bottom end of the groove (15), and the bottom end of the cleaning brush (12) is attached to the outer side of the rotating shaft (3), a fan (4) is fixed to one side of the top end of the fixed cylinder (1), a heat dissipation mechanism is provided on the inner side of the protective sleeve (6), and the heat dissipation mechanism is connected to the air outlet of the fan (4), and a support frame (2) is fixed to the bottom ends of the fixed cylinder (1) and the protective shell (7).

2. A centrifugal water pump with reduced inner wall erosion according to claim 1, characterized in that: The heat dissipation mechanism comprises an air cavity (13), the air cavity (13) is opened inside the protective cover (6), a plurality of air holes (14) are opened at the bottom end of the inner side of the protective cover (6) and a side of the groove (15) close to the cleaning brush (12), the air outlet of the fan (4), the air cavity (13) and the plurality of air holes (14) are connected in sequence, and the air outlet of the fan (4) and the air cavity (13) are connected via an air pipe (5).

3. A centrifugal water pump with reduced inner wall erosion according to claim 2, characterized in that: A rotating wheel (8) is rotatably arranged inside the protective shell (7), the rotating shaft (3) and the inner ring of the rotating wheel (8) are fixedly connected, and a plurality of blades (9) are arranged around the inside of the rotating wheel (8).

4. A centrifugal water pump with reduced inner wall erosion according to claim 3, characterized in that: A through opening (10) is provided on the side of the rotating wheel (8) away from the fixed cylinder (1), and a circle of silicone pad (11) is provided on the inner side of the protective shell (7), with a gap between the inner side of the silicone pad (11) and the outer side of the rotating wheel (8).

5. A centrifugal water pump with reduced inner wall erosion according to claim 4, characterized in that: The top of the protective shell (7) and the side away from the fixed cylinder (1) are respectively provided with a first water inlet and a second water inlet, the second water inlet is connected to the through port (10), and the top of the silicone pad (11) is provided with a through groove, which is connected to the first water inlet.

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