Centrifugal pump with flow stabilizer

Abstract

The utility model relates to the technical field of centrifugal pumps, and discloses a centrifugal pump with a flow stabilizer, which comprises a base and a pump shell, and the pump shell is fixedly mounted in the right side of the top end of the base. In the water conveying and using process of the centrifugal pump with the flow stabilizing device, a water source conveyed by a connecting pipe is guided into a pump shell through a main pipeline and a water inlet pipe by opening a first valve, is driven by an impeller to conduct high-speed centrifugal motion and is output through a water outlet pipe; a water source in the connecting pipe can be guided into the main pipeline and the water inlet pipe through the first auxiliary pipe and the second auxiliary pipe by closing the first valve and opening the second valve, and by reducing the pipe diameter of a water inlet, the stability of inlet water flow can be improved, fluctuation impact of the inlet water flow is reduced, and auxiliary flow stabilization adjustment is conveniently conducted when water enters the centrifugal pump; the problem that convenient and fast flow stabilization adjustment is inconvenient to conduct when water enters the centrifugal pump is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifugal pumps, in particular to a centrifugal pump with a flow stabilizing device. Background Art

[0002] A centrifugal pump, also known as a centrifugal water pump or a centrifugal pump, is a pump that transports liquid by the centrifugal force generated by the rotation of the impeller. During operation, due to the interaction between the blades and the liquid, the blades transfer mechanical energy to the liquid, increasing the pressure of the liquid to achieve the purpose of transporting the liquid. It has many advantages such as high speed, small volume, small weight, high efficiency, small flow rate, simple structure, flat performance, can be directly connected to the motor, and is easy to operate and maintain, and is widely used.

[0003] However, during the use of the centrifugal pump, due to the frequent instability of water volume and flow at the water inlet of the pump body, the water pressure fluctuates, which continuously impacts the pump body, which not only affects the normal operation of the centrifugal pump but also reduces the delivery efficiency. There are deficiencies, and it is not convenient to perform convenient steady flow adjustment when the centrifugal pump is inlet.

[0004] Now, a new type of centrifugal pump with a flow stabilizing device is proposed to solve the above-mentioned shortcomings. Utility Model Content

[0005] The purpose of the present utility model is to provide a centrifugal pump with a flow stabilizing device to solve the problem in the above background technology that it is inconvenient to perform convenient flow stabilization adjustment when the centrifugal pump is filled with water.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a centrifugal pump with a flow stabilizing device, comprising a base and a pump casing, wherein the pump casing is fixedly mounted on the inner portion on the right side of the top end of the base, an outer shell is provided on the top end of the outer portion of the base, an impeller is movably connected to the left side of the inner portion of the pump casing, an inlet pipe is fixed on the right side of the pump casing, an outlet pipe is fixed on the top of the rear end of the pump casing, and a flow stabilizing structure for switching the inlet water flow to a stable flow is provided on the right side of the water inlet pipe;

[0007] The flow stabilizing structure includes a main pipeline, valve 1, a connecting pipe, auxiliary pipe 1, valve 2 and auxiliary pipe 2. The main pipeline is installed and fixed on the right side of the water inlet pipe, and valve 1 is installed and fixed on the right side of the main pipeline. The connecting pipe is installed and fixed on the right side of the valve 1, and the auxiliary pipe is welded and fixed at the bottom end of the connecting pipe. The auxiliary pipe 2 is welded and fixed at the bottom end of the main pipeline, and valve 2 is installed and fixed between the auxiliary pipe 1 and the auxiliary pipe 2.

[0008] Preferably, the connecting pipe is connected to the interior of the main pipe through valve 1, and the main pipe is connected to the interior of the water inlet pipe.

[0009] Preferably, the connecting pipe is connected to the interior of the auxiliary pipe 1, the main pipe is connected to the interior of the auxiliary pipe 2, and the auxiliary pipe 1 is connected to the interior of the auxiliary pipe 2 through the valve 2.

[0010] Preferably, locking rods are provided on both sides of the bottom of both ends of the shell, threaded holes are provided on both sides of both ends of the base, a reserved hole is provided on the top of the right side of the rear end of the shell, the rear end of the water outlet pipe passes through the inside of the reserved hole, and ventilation grooves are provided on the inside of the left side of both ends of the shell.

[0011] Preferably, the locking rod passes through the interior of the housing and is threadably connected to the threaded hole.

[0012] Preferably, a side panel 1 is provided on the left side of the shell, and a side panel 2 is provided on the right side of the shell. Screws are fixed at both ends of both sides of the shell, and slideways are provided at both ends of one side of the side panel 1 and the side panel 2. A reserved opening is provided in the middle position of the right side of the side panel 2, and a locking ring is connected to the screw thread for rotation.

[0013] Preferably, the slide passes through the interior of the side panel 1 and the side panel 2 respectively, the bottom end of the reserved opening passes through the interior of the bottom end of the side panel 2, and the screw rod passes through the interior of the slide.

[0014] Preferably, a drive motor is mounted and fixed on the left side of the top of the base, an input shaft is fixed on the left side of the impeller, and the left side of the input shaft passes through the interior of the left side of the pump casing, and the output shaft of the drive motor is fixedly connected to the left side of the input shaft.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the centrifugal pump with the flow stabilizing device not only realizes convenient and convenient flow stabilization adjustment when the centrifugal pump is fed with water, realizes convenient safety protection of the outside of the centrifugal pump, but also realizes convenient dust prevention of the outside of the centrifugal pump;

[0016] (1) By providing a pump casing, a water inlet pipe, a main pipe, a valve 1, a connecting pipe, a sub-pipe 1, a valve 2 and a sub-pipe 2, during the water delivery process after the centrifugal pump is installed, the water source delivered by the connecting pipe is introduced into the interior of the pump casing through the main pipe and the water inlet pipe by opening the valve 1, and is driven by the impeller to perform high-speed centrifugal motion and is output from the water outlet pipe. When the water inflow inside the connecting pipe is unstable and the water outlet pipe output is not smooth, the water source in the connecting pipe can be introduced into the interior of the main pipe and the water inlet pipe through the sub-pipe 1 and the sub-pipe 2 by closing the valve 1 and opening the valve 2. By reducing the diameter of the water inlet pipe, the stability of the water inlet flow can be improved, the impact of the water inlet flow fluctuation can be reduced, and auxiliary flow stabilization adjustment can be conveniently performed when the centrifugal pump is inflowing water;

[0017] (2) By providing a shell, a base, threaded holes, reserved holes, ventilation slots and a locking rod, when the centrifugal pump is installed and used, the shell is fixed to the top of the base using the locking rod. The provided shell can provide auxiliary outer cover anti-collision protection for the centrifugal pump assembly, thereby reducing and avoiding structural damage to the outside of the centrifugal pump;

[0018] (3) By providing a base, side panel 1, housing, locking ring, screw, slideway, side panel 2 and reserved opening, during the use of the centrifugal pump, side panel 1 and side panel 2 are respectively installed and fixed on both sides of the housing. The side panel 1 and side panel 2 can assist in sealing and preventing dust from entering the housing, thereby reducing dust accumulation on the outside of the centrifugal pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the front cross-sectional structure of the present utility model;

[0020] Figure 2 This is an enlarged side view of the structure of the pump casing of the utility model;

[0021] Figure 3 This is a schematic diagram of a partial cross-sectional structure of the housing of the present invention from a side view;

[0022] Figure 4 It is a schematic structural diagram of the side panel of the present invention from two side views.

[0023] In the figure: 1. Base; 2. Side panel 1; 3. Casing; 4. Locking ring; 5. Screw; 6. Slide; 7. Drive motor; 8. Impeller; 9. Pump casing; 10. Water inlet pipe; 11. Side panel 2; 12. Main pipe; 13. Valve 1; 14. Connecting pipe; 15. Auxiliary pipe 1; 16. Valve 2; 17. Auxiliary pipe 2; 18. Threaded hole; 19. Water outlet pipe; 20. Reserved hole; 21. Ventilation slot; 22. Locking rod; 23. Reserved opening; 24. Input shaft. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1-4The utility model provides an embodiment: a centrifugal pump with a flow stabilizing device, comprising a base 1 and a pump casing 9, the pump casing 9 is fixedly installed inside the right side of the top of the base 1, the outer top of the base 1 is provided with a shell 3, the left side of the inside of the pump casing 9 is movably connected with an impeller 8, the right side of the pump casing 9 is fixed with a water inlet pipe 10, the top of the rear end of the pump casing 9 is fixed with a water outlet pipe 19, and the right side of the water inlet pipe 10 is provided with a flow stabilizing structure for switching the inlet water flow to a stable flow;

[0026] The flow stabilizing structure includes a main pipe 12, a valve 13, a connecting pipe 14, a subsidiary pipe 15, a valve 2 16 and a subsidiary pipe 2 17. The main pipe 12 is fixed to the right side of the water inlet pipe 10, and the valve 13 is fixed to the right side of the main pipe 12. The connecting pipe 14 is fixed to the right side of the valve 13, and the subsidiary pipe 15 is welded and fixed to the bottom end of the connecting pipe 14. The subsidiary pipe 2 17 is welded and fixed to the bottom end of the main pipe 12. The valve 2 16 is fixed between the subsidiary pipe 15 and the subsidiary pipe 2 17.

[0027] The connecting pipe 14 is connected to the interior of the main pipe 12 through the valve 13, the main pipe 12 is connected to the interior of the water inlet pipe 10, the connecting pipe 14 is connected to the interior of the auxiliary pipe 15, the main pipe 12 is connected to the interior of the auxiliary pipe 2 17, and the auxiliary pipe 15 is connected to the interior of the auxiliary pipe 2 17 through the valve 2 16;

[0028] Specifically, if Figure 1 and Figure 2 As shown, when the water inflow inside the connecting pipe 14 is unstable and the output of the water outlet pipe 19 is not smooth, the water source in the connecting pipe 14 can be introduced into the main pipeline 12 and the water inlet pipe 10 through the auxiliary pipe 15 and the auxiliary pipe 2 17 by closing valve 13 and opening valve 2 16, thereby reducing the diameter of the water inlet pipe, improving the stability of the water inlet flow, reducing the impact of water flow fluctuations, and performing auxiliary flow stabilization regulation when the centrifugal pump is inletting water.

[0029] Locking rods 22 are provided on both sides of the bottom of both ends of the housing 3, threaded holes 18 are provided on both sides of both ends of the base 1, a reserved hole 20 is provided on the top of the right side of the rear end of the housing 3, the rear end of the water outlet pipe 19 passes through the interior of the reserved hole 20, and ventilation slots 21 are provided inside the left side of both ends of the housing 3. The locking rods 22 pass through the interior of the housing 3 and are threadedly connected to the threaded holes 18;

[0030] Specifically, if Figure 1 and Figure 3 As shown, a housing 3 is fixed to the top of the outside of the base 1 by means of a locking rod 22. The housing 3 can provide auxiliary outer cover anti-collision protection for the centrifugal pump assembly.

[0031] A side panel 2 is provided on the left side of the housing 3, and a side panel 2 11 is provided on the right side of the housing 3. Screws 5 are fixed at both ends of both sides of the housing 3. Slideways 6 are respectively provided at both ends of one side of the side panel 1 2 and the side panel 2 11. A reserved opening 23 is provided in the middle position of the right side of the side panel 2 11. A locking ring 4 is threadedly connected to the screw 5. The slideways 6 pass through the interior of the side panel 1 2 and the side panel 2 11 respectively. The bottom end of the reserved opening 23 passes through the interior of the bottom end of the side panel 2 11, and the screw 5 passes through the interior of the slideway 6.

[0032] Specifically, if Figure 1 and Figure 4 As shown, the side panels 1 2 and 2 11 can be respectively fitted on both sides of the outer shell 3 and the screw 5 is passed through the interior of the slideway 6. Then, the locking ring 4 is screwed into the outside of the screw 5 and tightened. Then, the side panels 1 2 and 2 11 can be respectively installed and fixed on both sides of the outer shell 3. The side panels 1 2 and 2 11 can be provided to assist in sealing and dustproofing the interior of the outer shell 3.

[0033] A drive motor 7 is fixed on the left side of the top of the base 1, an input shaft 24 is fixed on the left side of the impeller 8, and the left side of the input shaft 24 passes through the inside of the left side of the pump casing 9, and the output shaft of the drive motor 7 is fixedly connected to the left side of the input shaft 24.

[0034] Working principle: After the centrifugal pump of this utility model is installed and used, the water source delivered by the connecting pipe 14 is introduced into the interior of the pump housing 9 through the main pipeline 12 and the water inlet pipe 10 by opening the valve 13, and is driven by the impeller 8 to perform high-speed centrifugal motion and is output from the outlet pipe 19. When the water inflow inside the connecting pipe 14 is unstable and the water outlet 19 is not output smoothly, the water source in the connecting pipe 14 can be introduced into the main pipeline 12 and the water inlet pipe 1 through the auxiliary pipe 15 and the auxiliary pipe 2 17 by closing the valve 13 and opening the valve 2 16. 0, reducing the diameter of the water inlet pipe, improving the stability of the water inlet flow, and performing auxiliary flow stabilization adjustment on the centrifugal pump when the water is inlet. At the same time, when the centrifugal pump is installed and used, a shell 3 is fixed to the top of the outer surface of the base 1 using a locking rod 22. The outer shell 3 is provided to provide auxiliary outer cover anti-collision protection for the centrifugal pump assembly. In addition, during the use of the centrifugal pump, side panels 1 2 and 11 are respectively installed and fixed on both sides of the shell 3. The side panels 1 2 and 11 are provided to assist in sealing and dustproofing the interior of the shell 3.

[0035] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A centrifugal pump with a flow stabilizing device, comprising a base (1) and a pump housing (9), characterized in that: A pump casing (9) is fixedly mounted on the right side of the top of the base (1), a housing (3) is provided on the top of the outside of the base (1), an impeller (8) is movably connected to the left side of the inside of the pump casing (9), a water inlet pipe (10) is fixed on the right side of the pump casing (9), a water outlet pipe (19) is fixed on the top of the rear end of the pump casing (9), and a flow stabilizing structure for switching the inlet water flow to a steady flow is provided on the right side of the water inlet pipe (10); The flow stabilizing structure comprises a main pipe (12), a valve 1 (13), a connecting pipe (14), a subsidiary pipe 1 (15), a valve 2 (16) and a subsidiary pipe 2 (17); the main pipe (12) is fixedly mounted on the right side of the water inlet pipe (10), and the valve 1 (13) is fixedly mounted on the right side of the main pipe (12); the connecting pipe (14) is fixedly mounted on the right side of the valve 1 (13), and the subsidiary pipe 1 (15) is welded and fixed to the bottom end of the connecting pipe (14); the subsidiary pipe 2 (17) is welded and fixed to the bottom end of the main pipe (12), and the valve 2 (16) is fixedly mounted between the subsidiary pipe 1 (15) and the subsidiary pipe 2 (17).

2. A centrifugal pump with a flow stabilizing device according to claim 1, characterized in that: The connecting pipe (14) is connected to the interior of the main pipe (12) through valve 1 (13), and the main pipe (12) is connected to the interior of the water inlet pipe (10).

3. A centrifugal pump with a flow stabilizing device according to claim 1, characterized in that: The connecting pipe (14) is connected to the interior of the auxiliary pipe (15), the main pipe (12) is connected to the interior of the auxiliary pipe (17), and the auxiliary pipe (15) is connected to the interior of the auxiliary pipe (17) through the valve (16).

4. A centrifugal pump with a flow stabilizing device according to claim 1, characterized in that: Lock rods (22) are respectively provided on both sides of the bottom of both ends of the shell (3), threaded holes (18) are respectively provided on both sides of both ends of the base (1), a reserved hole (20) is provided on the top of the right side of the rear end of the shell (3), the rear end of the water outlet pipe (19) passes through the inside of the reserved hole (20), and ventilation slots (21) are respectively provided on the inside of the left sides of both ends of the shell (3).

5. A centrifugal pump with a flow stabilizing device according to claim 4, characterized in that: The locking rod (22) passes through the interior of the housing (3) and is threadedly connected to the threaded hole (18).

6. A centrifugal pump with a flow stabilizing device according to claim 1, characterized in that: The left side of the shell (3) is provided with a side panel 1 (2), the right side of the shell (3) is provided with a side panel 2 (11), the two ends of both sides of the shell (3) are respectively fixed with screw rods (5), the two ends of one side of the side panel 1 (2) and the side panel 2 (11) are respectively provided with slideways (6), the middle position of the right side of the side panel 2 (11) is provided with a reserved opening (23), and the screw rod (5) is threadedly connected to a lock ring (4).

7. A centrifugal pump with a flow stabilizing device according to claim 6, characterized in that: The slideway (6) passes through the interior of the side panel 1 (2) and the side panel 2 (11) respectively, the bottom end of the reserved opening (23) passes through the interior of the bottom end of the side panel 2 (11), and the screw (5) passes through the interior of the slideway (6).

8. A centrifugal pump with a flow stabilizing device according to claim 1, characterized in that: A driving motor (7) is fixedly mounted on the left side of the top of the base (1), an input shaft (24) is fixed on the left side of the impeller (8), and the left side of the input shaft (24) passes through the interior of the left side of the pump casing (9), and the output shaft of the driving motor (7) is fixedly connected to the left side of the input shaft (24).

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