Centrifugal pump bottom valve filtering device and centrifugal pump

Abstract

The utility model relates to the technical field of centrifugal pumps, in particular to a centrifugal pump bottom valve filtering device and a centrifugal pump. The centrifugal pump bottom valve filtering device comprises a bottom valve, a filtering cover is installed at the bottom of the bottom valve, a plurality of strip-shaped filtering holes are formed in the surface of the filtering cover, an arc-shaped rod is arranged on the outer surface of the filtering cover, and a rotating shaft is rotationally arranged in an opening of the filtering cover through a rolling bearing; a supporting plate is fixedly arranged at the bottom of the filtering cover, a reciprocating swinging mechanism is arranged between the supporting plate and the shaft wall of the rotating shaft, the reciprocating swinging mechanism comprises a waterproof motor and a swinging rod, and the waterproof motor is fixedly arranged on the side wall of the supporting plate; and the output end of the waterproof motor penetrates through the side wall of the supporting plate and is fixedly provided with a turntable. Impurities such as aquatic plants attached to the surface of the filtering cover and blocked in the strip-shaped filtering holes are pushed to the two sides of the filtering cover, the filtering performance of the filtering cover is guaranteed, the water pumping efficiency of the centrifugal pump is improved, and consumption of manpower resources is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to centrifugal pump technical field, concretely is a centrifugal pump bottom valve filter device and centrifugal pump. BACKGROUND

[0002] Centrifugal pump is the pump that relies on the centrifugal force produced when impeller rotates to transport liquid, uses high -speed rotation impeller blade to drive water to rotate, throws water, thereby reaches the purpose of delivery. When centrifugal pump is used, usually install filter screen cover outside pump bottom valve, filter water grass and other impurities in water through filter screen cover.

[0003] But the bottom valve filter screen cover of this kind of present, when using, filtering effect is poor, and because pump machine sucks water, water grass and other impurities are easy to adhere to filter screen cover surface and then cause filter screen cover filter hole to be blocked, need manual check and clean filter screen cover, not only need to consume a lot of human resources, and centrifugal pump's water pumping efficiency is low, so we launch a kind of centrifugal pump bottom valve filter device and centrifugal pump. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of centrifugal pump bottom valve filter device and centrifugal pump, water grass and other impurities adhered to filter cover surface and blocked in strip-shaped filter hole are pushed to filter cover both sides, to guarantee the filtering performance of filter cover, to improve the water pumping efficiency of centrifugal pump, reduce the consumption of human resources, to solve the problems proposed in above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of centrifugal pump bottom valve filter device, including bottom valve, the bottom valve bottom is equipped with filter cover, the surface of the filter cover is equipped with a plurality of strip-shaped filter holes, the outer surface of the filter cover is equipped with arc-shaped rod, the filter cover opening is rotatably equipped with rotating shaft by rolling bearing, the rotating shaft both ends are all penetrated to filter cover outside and are fixedly connected with arc-shaped rod both ends, the filter cover bottom is fixedly equipped with support plate, reciprocating swing mechanism is equipped between the shaft wall of support plate and rotating shaft.

[0007] Further, the reciprocating swing mechanism includes waterproof motor and swing rod, the waterproof motor is fixedly arranged on support plate side wall, the output end of the waterproof motor penetrates support plate side wall and is fixedly equipped with turntable, the rod wall of the swing rod is equipped with strip-shaped guide hole at turntable, the strip-shaped guide hole is slidably equipped with guide column, the guide column one end is fixedly connected with the edge of turntable side wall.

[0008] Further, the end of the guide column away from turntable extends to strip-shaped guide hole outside and is fixedly equipped with circular block.

[0009] Further, the diameter of the circular block is greater than the diameter of the guide column.

[0010] Further, the lower end of the swing rod is fixed with an elastic rope between the opening of the filter cover and the inner wall.

[0011] Further, the arc-shaped rod is fixed with a cleaning block at a position corresponding to the strip-shaped filter hole, and the upper end of the cleaning block extends into the corresponding strip-shaped filter hole.

[0012] A centrifugal pump, the bottom valve is fixedly installed at the bottom of the centrifugal pump.

[0013] Compared with the prior art, the centrifugal pump bottom valve filter device and the centrifugal pump have the beneficial effects that:

[0014] The centrifugal pump bottom valve filter device and the centrifugal pump, through the bottom valve, the arc-shaped rod, the filter cover, the elastic rope, the swing rod, the rotating disc, the supporting plate, the waterproof motor, the rotating shaft, the cleaning block, the circular block and the guide column, the waterproof motor is started, the output end of the waterproof motor drives the rotating disc to rotate, the rotating disc drives the guide column to rotate, the guide column slides up and down in the strip-shaped guide hole while rotating, the guide column and the strip-shaped guide hole cooperate to drive the swing rod to reciprocatingly swing, the swing rod drives the arc-shaped rod to reciprocatingly swing through the rotating shaft, the arc-shaped rod and the plurality of cleaning blocks push the water plants and other sundries attached to the surface of the filter cover and blocked in the strip-shaped filter hole to the two sides of the filter cover, thereby ensuring the filtering performance of the filter cover, improving the water pumping efficiency of the centrifugal pump, and reducing the consumption of human resources. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of a centrifugal pump bottom valve filter device and a centrifugal pump.

[0016] Figure 2 It is a structural schematic view of a centrifugal pump bottom valve filter device and a centrifugal pump.

[0017] Figure 3 It is a structural schematic view of a reciprocating swing mechanism.

[0018] Figure 4 It is Figure 3 It is an enlarged schematic view of part A.

[0019] In the figure: 1, bottom valve; 2, arc-shaped rod; 3, filter cover; 4, elastic rope; 5, swing rod; 6, rotating disc; 7, supporting plate; 8, waterproof motor; 9, rotating shaft; 10, cleaning block; 11, circular block; 12, guide column. DETAILED DESCRIPTION

[0020] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figures 1 to 4 The present application provides a technical scheme:

[0022] A centrifugal pump bottom valve filtering device, including bottom valve 1, bottom valve 1 bottom is provided with filter cover 3, through filter cover 3 can be convenient for the water flow of pump in filtering, filter cover 3 surface is equipped with multiple strip filter holes, filter cover 3 outer surface is equipped with arc-shaped rod 2, filter cover 3 opening is rotationally provided with rotating shaft 9 through rolling bearing, rotating shaft 9 both ends are all penetrated to filter cover 3 outside and are fixedly connected with arc-shaped rod 2 both ends, arc-shaped rod 2 and the position corresponding place of strip filter hole are fixedly provided with cleaning block 10, multiple cleaning block 10 upper end all extend to corresponding strip filter hole, filter cover 3 bottom is fixedly provided with support plate 7.

[0023] Support plate 7 and the shaft wall between rotating shaft 9 are equipped with reciprocating swing mechanism, reciprocating swing mechanism includes waterproof motor 8 and swing rod 5, waterproof motor 8 is fixedly arranged on support plate 7 side wall, waterproof motor 8 is electrically connected with external power supply through control switch, the output end of waterproof motor 8 is penetrated support plate 7 side wall and is fixedly provided with turntable 6, swing rod 5 rod wall is located at the place of turntable 6 and is equipped with strip guide hole, strip guide hole is slidably provided with guide column 12, guide column 12 one end is fixedly connected with the edge of turntable 6 side wall, the end away from turntable 6 of guide column 12 extends to strip guide hole outside and is fixedly provided with circular block 11, the diameter of circular block 11 is greater than the diameter of guide column 12, circular block 11 can prevent guide column 11 from separating from strip guide hole.

[0024] Swing rod 5 lower end and filter cover 3 opening inner side are fixedly provided with elastic rope 4, elastic rope 4 is always in tensile state, when waterproof motor 8 is powered off, elastic rope 4 pulls swing rod 5 to one side, swing rod 5 drives arc-shaped rod 2 to rotate to one side through rotating shaft 9, can prevent arc-shaped rod 2 from hindering the multiple strip filter holes of filter cover 3 water.

[0025] A centrifugal pump, bottom valve 1 is fixedly installed at the bottom of centrifugal pump.

[0026] In use, the waterproof motor 8 is started, the output end of the waterproof motor 8 rotates to drive the rotating disc 6 to rotate, the rotating disc 6 drives the guide column 12 to rotate, the guide column 12 slides up and down in the strip-shaped guide hole while rotating, the guide column 12 and the strip-shaped guide hole cooperate to drive the swing rod 5 to reciprocatingly swing, the swing rod 5 drives the arc-shaped rod 2 to reciprocatingly swing through the rotating shaft 9, the arc-shaped rod 2 and the plurality of cleaning blocks 10 push the waterweeds and other sundries attached to the surface of the filter cover 3 and blocked in the strip-shaped filter hole to the two sides of the filter cover 3, thereby ensuring the filtering performance of the filter cover 3, thereby improving the water pumping efficiency of the centrifugal pump and reducing the consumption of human resources.

[0027] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A centrifugal pump bottom valve filtering device, comprising a bottom valve (1), characterized in that: A filter cover (3) is installed at the bottom of the bottom valve (1), and a plurality of strip-shaped filter holes are provided on the surface of the filter cover (3). An arc-shaped rod (2) is provided on the outer surface of the filter cover (3). A rotating shaft (9) is provided in the opening of the filter cover (3) for rotation via a rolling bearing. Both ends of the rotating shaft (9) pass through the outside of the filter cover (3) and are fixedly connected to the two ends of the arc-shaped rod (2). A support plate (7) is fixedly provided at the bottom of the filter cover (3), and a reciprocating swing mechanism is provided between the support plate (7) and the shaft wall of the rotating shaft (9).

2. A centrifugal pump bottom valve filtering device according to claim 1, characterized in that: The reciprocating swing mechanism comprises a waterproof motor (8) and a swing rod (5), wherein the waterproof motor (8) is fixedly arranged on the side wall of the support plate (7), the output end of the waterproof motor (8) passes through the side wall of the support plate (7) and is fixedly provided with a turntable (6), the rod wall of the swing rod (5) is provided with a strip guide hole at the turntable (6), a guide column (12) is slidably provided in the strip guide hole, and one end of the guide column (12) is fixedly connected to the edge of the side wall of the turntable (6).

3. A centrifugal pump bottom valve filtering device according to claim 2, characterized in that: One end of the guide column (12) away from the turntable (6) extends to the outside of the strip-shaped guide hole and is fixedly provided with a circular block (11).

4. A centrifugal pump bottom valve filtering device according to claim 3, characterized in that: The diameter of the circular block (11) is greater than the diameter of the guide column (12).

5. The centrifugal pump bottom valve filtering device according to claim 4, characterized in that: An elastic rope (4) is fixedly provided between the lower end of the swing rod (5) and the inner edge of the opening of the filter cover (3).

6. A centrifugal pump bottom valve filtering device according to claim 5, characterized in that: Cleaning blocks (10) are fixedly provided at positions corresponding to the positions of the arc-shaped rods (2) and the strip-shaped filter holes, and the upper ends of the plurality of cleaning blocks (10) extend into the corresponding strip-shaped filter holes.

7. A centrifugal pump adapted to the centrifugal pump bottom valve filter device according to any one of claims 1 to 6, characterized in that: The bottom valve (1) is fixedly installed on the bottom of the centrifugal pump.

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