Centrifugal water pump

Abstract

The utility model provides a centrifugal water pump impeller structure, which relates to the technical field of water pump impellers, and comprises a pump body, a rotating piece penetrates through the inner wall of one side of the pump body and is rotatably connected with a bearing close to the center, a fixed column is fixed on one side wall of the rotating piece and close to the center, and a cylinder is sleeved on the surface of the fixed column and is slidably connected with the surface of the fixed column. The device comprises a cylinder, T-shaped grooves are formed in the surface of the cylinder at equal intervals, T-shaped plates are embedded into the T-shaped grooves, one end of each T-shaped plate is fixedly connected with a fan blade, a fixing disc is arranged at one end of the cylinder, and T-shaped extrusion plates are fixed to one side wall of the fixing disc at equal intervals. When one fan blade is damaged, the screw can be driven by a tool to be separated from the interior of the first screw hole and the interior of the convex hole, so that the damaged fan blade can be conveniently taken out from the interior of the T-shaped groove, the effect of independently replacing the fan blade can be achieved, and the effect of reducing the replacement cost can be further achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of water pump impellers, in particular to a centrifugal water pump. Background Art

[0002] The impeller is the core component of the water pump, so the quality of the impeller determines the quality of the centrifugal pump. It is driven by an electric motor to rotate, so that the medium is subjected to centrifugal force or lifting force, so that the medium has mechanical energy; its function is to transfer the mechanical energy of the prime mover directly to the liquid to increase the static pressure energy and kinetic energy of the liquid, mainly increasing the static pressure energy.

[0003] The existing impeller is usually directly cast as a whole during casting. Therefore, when one of the blades on the impeller is damaged, the entire impeller needs to be replaced, which increases the replacement cost. Therefore, a centrifugal water pump is needed to solve the above problem. Utility Model Content

[0004] The utility model aims to solve the problem in the prior art that the impeller is usually directly cast as a whole during casting, so when one of the blades on the impeller is damaged, the impeller as a whole needs to be replaced, which increases the replacement cost, and proposes a centrifugal water pump.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a centrifugal water pump comprises a pump body, a rotating member is penetrated through and rotatably connected with a bearing on an inner wall of one side of the pump body and near the center, a fixing column is fixed on one side wall of the rotating member and near the center, a cylinder is sleeved on the surface of the fixing column and slidably connected, T-slots are opened at equal intervals on the surface of the cylinder, T-plates are embedded in the inside of the T-slots, fan blades are fixedly connected at one end of the T-plates, a fixing disk is provided at one end of the cylinder, T-extrusion plates are fixed at equal intervals on one side wall of the fixing disk, the T-extrusion plates are located in the inside of the T-slots and matched therewith, a motor is fixed on one side wall of the pump body, the output end of the motor is fixedly connected to the rotating member, a cover disk is covered on the surface of the pump body, an annular groove is opened on the inner wall of the pump body and near the edge, a sealing ring gasket is embedded in the inside of the annular groove, and the sealing ring gasket is fixedly connected to the cover disk.

[0006] Preferably, mounting blocks are fixedly connected to both side walls of the pump body and near the two corners of the bottom, and mounting holes are provided on the surfaces of the mounting blocks.

[0007] Preferably, one side wall of the T-shaped extrusion plate is fixedly connected with an extrusion pad, and the extrusion pad is in contact with the T-shaped plate.

[0008] Preferably, the surface of the fixing plate is provided with convex holes at equal intervals, screws are embedded in the convex holes, a first screw hole is provided on one side wall of the cylinder and between the T-slots, and the thread of the screw is located inside the first screw hole and is threadedly connected thereto.

[0009] Preferably, a circular groove is provided on the inner wall of one side of the cover plate near the center, and one end of the fixed plate is embedded in the circular groove and rotatably connected to its bearing.

[0010] Preferably, a first mounting piece is fixedly connected to the outer arc surface of the cover plate at equal intervals, a second mounting piece is symmetrically fixed to the top of the pump body and close to the edge, and a second screw hole is symmetrically opened on one side wall of the pump body and located below the cover plate.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, when one of the fan blades is damaged, the screw can be driven out of the first screw hole and the convex hole by a tool, so that the damaged fan blade can be conveniently taken out from the T-slot, thereby achieving the effect of replacing the fan blades individually, thereby reducing the replacement cost.

[0013] 2. In the utility model, by installing the cover plate on the pump body, the fixed plate will be embedded in the circular groove, which can play the role of resisting the cylinder from being limited, so that the fixed column can rotate to drive the cylinder to rotate. At the same time, the sealing ring gasket and the ring groove can improve the sealing effect of the cover plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model provides a three-dimensional diagram of the overall structure of a centrifugal water pump;

[0015] Figure 2 The utility model provides a cross-sectional view of the overall structure of a centrifugal water pump;

[0016] Figure 3 The utility model provides a vertical cross-sectional view of the overall structure of a centrifugal water pump;

[0017] Figure 4 The utility model provides a three-dimensional diagram of the fan blade structure of a centrifugal water pump;

[0018] Figure 5 A three-dimensional diagram of the cylindrical structure of a centrifugal water pump is proposed for the utility model;

[0019] Figure 6 The utility model provides a three-dimensional diagram of the cover plate structure of a centrifugal water pump;

[0020] Figure 7The utility model provides a three-dimensional diagram of the fixed disk structure of a centrifugal water pump.

[0021] Legend: 1. Pump body; 2. Mounting block; 3. Mounting hole; 4. Rotating piece; 5. Fixing column; 6. Cylinder; 7. T-slot; 8. Fixing plate; 9. T-shaped extrusion plate; 10. Extrusion pad; 11. Protruding hole; 12. Screw; 13. First screw hole; 14. T-shaped plate; 15. Fan blade; 16. Motor; 17. Cover plate; 18. Ring groove; 19. Sealing ring gasket; 20. Round groove; 21. First mounting piece; 22. Second screw hole; 23. Second mounting piece. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0024] Embodiment 1, as Figure 1-7 As shown, the utility model provides a centrifugal water pump, including a pump body 1, a rotating member 4 is penetrated through the inner wall of one side of the pump body 1 and is rotatably connected to the bearing near the center, a fixing column 5 is fixed to the one side wall of the rotating member 4 and is near the center, a cylinder 6 is sleeved and slidably connected to the surface of the fixing column 5, T-slots 7 are evenly spaced on the surface of the cylinder 6, T-plates 14 are embedded in the T-slots 7, and fan blades 15 are fixedly connected to one end of the T-plates 14, a fixing disk 8 is provided at one end of the cylinder 6, T-extrusion plates 9 are evenly fixed on one side wall of the fixing disk 8, the T-extrusion plates 9 are located in the T-slots 7 and are adapted thereto, a motor 16 is fixed to one side wall of the pump body 1, the output end of the motor 16 is fixedly connected to the rotating member 4, a cover disk 17 is covered on the surface of the pump body 1, an annular groove 18 is opened on the inner wall of the pump body 1 and is near the edge, a sealing ring gasket 19 is embedded in the annular groove 18, and the sealing ring gasket 19 is fixedly connected to the cover disk 17.

[0025] The effect achieved by the entire embodiment 1 is that a rotating member 4 is passed through the inner wall of one side of the pump body 1 and near the center and is rotatably connected with a bearing, a fixed column 5 is fixed to a side wall of the rotating member 4 and near the center, a cylinder 6 is sleeved on the surface of the fixed column 5 and slidably connected, and T-shaped grooves 7 are evenly spaced on the surface of the cylinder 6. T-shaped plates 14 are embedded in the inside of the T-shaped grooves 7, and fan blades 15 are fixedly connected to one end of the T-shaped plate 14, which can play the effect of making the rotating member 4 rotate to drive the fixed column 5 to rotate, the fixed column 5 rotates to drive the cylinder 6 to rotate, and the cylinder 6 rotates to drive the fan blades 15 to rotate. A fixed disk 8 is provided at one end of the cylinder 6, and one end of the fixed disk 8 T-shaped extrusion plates 9 are fixed at equal intervals on the side wall, and the T-shaped extrusion plates 9 are located inside the T-shaped grooves 7 and matched therewith, so that after the fixing plate 8 is installed, the T-shaped extrusion plates 9 can squeeze and fix the T-shaped plates 14. A motor 16 is fixed through one side wall of the pump body 1, and the output end of the motor 16 is fixedly connected to the rotating member 4, so that the motor 16 can drive the rotating member 4 to rotate. A cover plate 17 is covered on the surface of the pump body 1, and an annular groove 18 is provided on the inner wall of the pump body 1 near the edge, and a sealing ring gasket 19 is embedded in the annular groove 18, and the sealing ring gasket 19 is fixedly connected to the cover plate 17, so as to cover the column cover plate 17 and seal the pump body 1.

[0026] Embodiment 2, as Figure 1-7 As shown, mounting blocks 2 are fixedly connected to both side walls of the pump body 1 and near the two corners of the bottom, and mounting holes 3 are provided on the surfaces of the mounting blocks 2; an extrusion pad 10 is fixedly connected to one side wall of the T-shaped extrusion plate 9, and the extrusion pad 10 is in contact with the T-shaped plate 14; convex holes 11 are provided on the surface of the fixed disk 8 at equal intervals, and screws 12 are embedded in the inside of the convex holes 11; a first screw hole 13 is provided on one side wall of the cylinder 6 and located between the T-shaped slots 7, and the thread of the screw 12 is located inside the first screw hole 13 and is threadedly connected thereto; a circular groove 20 is provided on the inner wall of one side of the cover plate 17 and near the center, and one end of the fixed disk 8 is embedded in the circular groove 20 and is rotatably connected to its bearing; a first mounting piece 21 is fixedly connected to the outer arc surface of the cover plate 17 at equal intervals, a second mounting piece 23 is symmetrically fixed to the top of the pump body 1 and near the edge, and a second screw hole 22 is symmetrically provided on one side wall of the pump body 1 and located below the cover plate 17.

[0027] The effect achieved by the entire embodiment 2 is that the mounting blocks 2 are fixedly connected through the two side walls of the pump body 1 and near the two corners of the bottom, and the surfaces of the mounting blocks 2 are provided with mounting holes 3, which can play the effect of installing and fixing the pump body 1; a compression pad 10 is fixedly connected through one side wall of the T-shaped extrusion plate 9, and the compression pad 10 is attached to the T-shaped plate 14, which can play the effect of extruding the T-shaped plate 14; convex holes 11 are opened at equal intervals on the surface of the fixing plate 8, and screws 12 are embedded in the convex holes 11; a first screw hole 13 is opened on one side wall of the cylinder 6 and is located between the T-shaped slots 7, and the screw 12 has a screw hole 13. The groove is located inside the first screw hole 13 and is threadedly connected to it, which can play the effect of installing the fixed disk 8; a circular groove 20 is opened through the inner wall of one side of the cover plate 17 and near the center, one end of the fixed disk 8 is embedded in the circular groove 20 and is rotatably connected to its bearing, which can play the effect of positioning the fixed disk 8; a first mounting piece 21 is fixedly connected at equal intervals through the outer arc surface of the cover plate 17, a second mounting piece 23 is symmetrically fixed at the top of the pump body 1 and near the edge, and a second screw hole 22 is symmetrically opened on one side wall of the pump body 1 and located below the cover plate 17, which can play the effect of installing and fixing the cover plate 17.

[0028] Working principle: When one of the fan blades 15 is damaged, the cover plate 17 can be removed, and the cylinder 6 can be removed from the surface of the fixing column 5, and then the entire impeller can be removed. At this time, the screw 12 can be driven by a tool to disengage from the first screw hole 13 and the convex hole 11, and then the damaged fan blade 15 can be easily taken out from the T-slot 7, so that the fan blade 15 can be replaced individually, thereby reducing the replacement cost.

[0029] The wiring diagram of the motor 16 in the present invention is common knowledge in the art, and its working principle is a known technology. The model is selected according to the actual use, so the control method and wiring arrangement of the motor 16 are not explained in detail.

[0030] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A centrifugal water pump, comprising a pump body (1), Features: A rotating member (4) is passed through the inner wall of one side of the pump body (1) and is rotatably connected to the pump body (1) near the center. A fixing column (5) is fixed to the inner wall of one side of the rotating member (4) and is rotatably connected to the pump body (1). A cylinder (6) is sleeved on the surface of the fixing column (5) and is slidably connected to the fixing column (5). T-shaped grooves (7) are provided on the surface of the cylinder (6) at equal intervals. T-shaped plates (14) are embedded in the interior of the T-shaped grooves (7). One end of the T-shaped plate (14) is fixedly connected to a fan blade (15). A fixing plate (8) is provided at one end of the cylinder (6). T-shaped extrusion plates (9) are fixed at equal intervals on one side wall of the pump body (8), the T-shaped extrusion plates (9) are located inside the T-shaped groove (7) and are adapted thereto, a motor (16) is fixed on one side wall of the pump body (1), the output end of the motor (16) is fixedly connected to the rotating member (4), the surface of the pump body (1) is covered with a cover plate (17), an annular groove (18) is provided on the inner wall of the pump body (1) and near the edge, a sealing ring gasket (19) is embedded inside the annular groove (18), and the sealing ring gasket (19) is fixedly connected to the cover plate (17).

2. A centrifugal water pump according to claim 1, Features: Mounting blocks (2) are fixedly connected to both side walls of the pump body (1) and close to the two corners of the bottom, and mounting holes (3) are provided on the surfaces of the mounting blocks (2).

3. A centrifugal water pump according to claim 1, Features: A pressing pad (10) is fixedly connected to one side wall of the T-shaped pressing plate (9), and the pressing pad (10) is in contact with the T-shaped plate (14).

4. A centrifugal water pump according to claim 1, Features: The surface of the fixing plate (8) is provided with convex holes (11) at equal intervals, and screws (12) are embedded in the convex holes (11). A first screw hole (13) is provided on a side wall of the cylinder (6) and between the T-shaped slots (7), and the thread of the screw (12) is located inside the first screw hole (13) and is threadedly connected thereto.

5. A centrifugal water pump according to claim 1, Features: A circular groove (20) is provided on one inner wall of the cover plate (17) near the center, and one end of the fixed plate (8) is embedded in the circular groove (20) and is rotatably connected to the bearing.

6. A centrifugal water pump according to claim 1, Features: The outer arc surface of the cover plate (17) is fixedly connected with first mounting members (21) at equal intervals, the top of the pump body (1) and close to the edge thereof is symmetrically fixed with second mounting members (23), and a side wall of the pump body (1) and located below the cover plate (17) is symmetrically provided with second screw holes (22).

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