CN211778030U

CN211778030U - Suction tube of self-priming pump

Info

Publication number: CN211778030U
Application number: CN201922195555.7U
Authority: CN
Inventors: 刘汉清; 沈丹
Original assignee: Jiangsu Double Wheel Pump Machinery Co ltd
Current assignee: Jiangsu Double Wheel Pump Machinery Co ltd
Priority date: 2019-12-08
Filing date: 2019-12-08
Publication date: 2020-10-27
Anticipated expiration: 2029-12-08

Abstract

The utility model discloses a suction tube of self priming pump, including first pipe and second pipe, connect through reducer union between first pipe and the second pipe, it has the check valve to insert on the first pipe, the other end welding of first pipe has the circular shape end plate, the middle part of end plate is rotated and is connected with the pivot that runs through, the welding has helical blade in the pivot, helical blade is located first pipe, the outer end fixedly connected with filter mantle of pivot, the filter mantle distributes on cylindric and lateral wall and has a plurality of meshs, the outside welding of end plate has annular guide rail, be equipped with annular spout on the guide rail. When the self-priming pump is used for pumping water, water flow can push the spiral blade to rotate, and then the rotating shaft and the filter mantle synchronously rotate along with the spiral blade, and due to the rotation of the filter mantle, sundries cannot be attached to the filter mantle, so that the sundries cannot be accumulated to a large extent and cause blockage to meshes. Therefore, the suction pipe does not need to be cleaned by manual drainage, and is safe and convenient to use.

Description

Suction tube of self-priming pump

Technical Field

The utility model relates to a self priming pump technical field specifically is a suction tube of self priming pump.

Background

The self-priming pump is characterized in that a pump shell is filled with water before the self-priming pump is started, an impeller rotates at a high speed after the self-priming pump is started to enable water in an impeller channel to flow to a volute, at the moment, an inlet forms vacuum, a water inlet check valve is opened, air and liquid in a suction pipe enter the pump to be subjected to liquid-gas separation, the liquid is left in the pump, the gas is discharged out of the pump, and the inlet air is discharged for many times in a circulating mode to achieve self-priming. The self-priming pump belongs to a self-priming centrifugal pump and has the advantages of compact structure, convenient operation, stable operation, easy maintenance, high efficiency, long service life and the like. The self priming pump passes through the suction tube and inhales the pump body with water, generally is equipped with a filter mantle at the lower extreme of suction tube, prevents debris such as grass leaf straw in aquatic from being inhaled the water pump, but long-time the back of using, can adhere to debris on the filter mantle, causes the jam to the mesh on it, influences and absorbs water, needs people to launch clearance and inconvenient operation, and if the water source of drawing water is darker, the clearance of launching still has certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a suction tube of self priming pump to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a suction tube of self priming pump, includes first pipe and second pipe, connect through reducer union between first pipe and the second pipe, the access has the check valve on the first pipe, the other end welding of first pipe has the circular shape end plate, the middle part of end plate is rotated and is connected with the pivot that runs through, the welding has helical blade in the pivot, helical blade is located first pipe, the outer end fixedly connected with filter mantle of pivot, the filter mantle distributes on cylindric and the lateral wall and has a plurality of meshs, the outside welding of end plate has annular guide rail, be equipped with annular spout on the guide rail, the tip and the spout joint of filter mantle.

Preferably, the diameter of first pipe is greater than the diameter of second pipe, flange has all been welded at the both ends of second pipe, the one end of first pipe, flange is last to be equipped with four mounting holes that the equidistant was arranged.

Preferably, the helical blade is in clearance fit with the inner wall of the first circular tube, and the end plate is concentric with the first circular tube.

Preferably, the inner chamber welding of first pipe has the mounting panel, the tip and the mounting panel of pivot rotate to be connected, the avris of mounting panel is equipped with the through-hole that runs through.

Preferably, the end part of the filter cover is in clearance fit with the sliding groove, and the diameter of the meshes is 5-8 mm.

Preferably, the end plate is provided with a plurality of penetrating water inlets, and the water inlets are located within the outline range of the inner cavity of the first circular tube.

Compared with the prior art, the beneficial effects of the utility model are that: when the self priming pump draws water, water is inhaled first pipe through the filter mantle, and the filter mantle filters the bold debris of aquatic, and rivers flow in first pipe and can promote helical blade rotatory, and then pivot, filter mantle synchronous revolution thereupon, because the rotation of filter mantle, debris can't be attached to on the filter mantle to debris can not amass many to cause the jam to the mesh. Therefore, the suction pipe does not need to be cleaned by manual drainage, and is safe and convenient to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the filter cover structure of the present invention.

In the figure: 1. a first circular tube; 2. a reducer union; 3. a second circular tube; 4. a non-return valve; 5. a rotating shaft; 6. a helical blade; 7. mounting a plate; 8. a filter housing; 9. an end plate; 10. a water inlet hole; 11. a guide rail; 12. a chute; 13. mesh openings; 14. and connecting the flanges.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a suction tube of self priming pump, including first pipe 1 and second pipe 3, connect through reducer union 2 between first pipe 1 and the second pipe 3, it has check valve 4 to insert on the first pipe 1, the diameter of first pipe 1 is greater than the diameter of second pipe 3, the both ends of second pipe 3, flange 14 has all been welded to the one end of first pipe 1, flange 14 is last to be equipped with the mounting hole that four equidistant arranged, part in the first pipe 1 can reduce discharge, thereby the diameter of first pipe 1 is great.

The welding of the other end of first pipe 1 has circular shape end plate 9, the middle part of end plate 9 is rotated and is connected with pivot 5 that runs through, the welding has helical blade 6 in pivot 5, helical blade 6 is located first pipe 1, helical blade 6 and the inner wall clearance fit of first pipe 1, end plate 9 is concentric with first pipe 1, the inner chamber welding of first pipe 1 has mounting panel 7, the tip and the mounting panel 7 of pivot 5 rotate to be connected, the avris of mounting panel 7 is equipped with the through-hole that runs through, rivers can run through mounting panel 7 smoothly, and rivers can promote helical blade 6 rotatory, and then pivot 5, the synchronous revolution therewith of filter mantle 8.

Outer end fixedly connected with filter mantle 8 of pivot 5, filter mantle 8 distributes on cylindric and lateral wall for a plurality of meshs 13, the tip and the 12 clearance fit of spout of filter mantle 8, the diameter of meshs 13 is 5 ~ 8mm, the outside welding of end plate 9 has annular guide rail 11, be equipped with annular spout 12 on the guide rail 11, the tip and the 12 joints of spout of filter mantle 8, be equipped with the inlet opening 10 that a plurality of runs through on the end plate 9, inlet opening 10 is located the inner chamber profile within range of first pipe 1, water is inhaled in first pipe 1 through inlet opening 10.

The working principle is as follows: insert the input of self priming water pump with this suction tube during the use, aquatic is arranged in to filter mantle 8, the self priming pump starts the back, water is inhaled first pipe 1 through filter mantle 8, filter mantle 8 filters inspiratory water, prevent that bold impurity from being inhaled and leading to the fact the card to die to the water pump, rivers can promote helical blade 6 rotatory enough in first pipe 1, and then pivot 5, filter mantle 8 synchronous revolution thereupon, because the rotation of filter mantle 8, the debris of aquatic can't be attached to on filter mantle 8's outer wall, thereby can not amass many cause the jam to mesh 13.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a suction tube of self priming pump, includes first pipe (1) and second pipe (3), its characterized in that: connect through reducing joint (2) between first pipe (1) and second pipe (3), the access has check valve (4) on first pipe (1), the other end welding of first pipe (1) has circular shape end plate (9), the middle part rotation of end plate (9) is connected with pivot (5) that run through, the welding has helical blade (6) in pivot (5), helical blade (6) are located first pipe (1), the outer end fixedly connected with filter mantle (8) of pivot (5), filter mantle (8) have a plurality of meshs (13) for cylindric and lateral wall goes up to distribute, the outside welding of end plate (9) has annular guide rail (11), be equipped with annular spout (12) on guide rail (11), the tip and spout (12) joint of filter mantle (8).

2. The suction tube of a self-primer pump of claim 1 wherein: the diameter of first pipe (1) is greater than the diameter of second pipe (3), flange (14) have all been welded at the both ends of second pipe (3), the one end of first pipe (1), be equipped with four mounting holes that equidistant arranged on flange (14).

3. The suction tube of a self-primer pump of claim 1 wherein: helical blade (6) and the inner wall clearance fit of first pipe (1), end plate (9) are concentric with first pipe (1).

4. The suction tube of a self-primer pump of claim 1 wherein: the inner chamber welding of first pipe (1) has mounting panel (7), the tip and mounting panel (7) of pivot (5) rotate to be connected, the avris of mounting panel (7) is equipped with the through-hole that runs through.

5. The suction tube of a self-primer pump of claim 1 wherein: the end part of the filter cover (8) is in clearance fit with the sliding groove (12), and the diameter of the mesh (13) is 5-8 mm.

6. The suction tube of a self-primer pump of claim 1 wherein: the end plate (9) is provided with a plurality of through water inlet holes (10), and the water inlet holes (10) are located in the inner cavity outline range of the first circular tube (1).