CN216691476U

CN216691476U - Axial-flow type priming pump

Info

Publication number: CN216691476U
Application number: CN202123417089.6U
Authority: CN
Inventors: 金凤; 金安桐
Original assignee: Anqing Tongbo Technology Development Co ltd
Current assignee: Anqing Tongbo Technology Development Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-07
Anticipated expiration: 2031-12-31

Abstract

The utility model provides an axial-flow type priming pump, which relates to the field of drainage pumps and comprises a self-priming pump, a connecting pipe and a priming pump body, wherein the priming pump body is communicated with a water suction port of the self-priming pump through the connecting pipe, a submersible motor is arranged at the bottom of the priming pump body, and an impeller which conducts side current to the self-priming pump is fixed at the output end of the submersible motor. When the self-priming pump is used for priming, the submersible motor is started to drive the impeller to rotate, deep water is discharged into the pump body of the self-priming pump to store water for the self-priming pump, the self-priming pump can be directly started to discharge water in a state of not being limited by a suction range, the working state of the priming pump consisting of the priming pump body, the submersible motor and the impeller is automatically adjusted, the priming pump starts to deliver water to the self-priming pump, the priming pump becomes a relay pump after the self-priming pump works, the working efficiency of the self-priming pump is improved, in addition, the filter plate can be opened by rotating the filter plate on the premise of not damaging the structure of the priming pump body, and the inside of the priming pump body can be conveniently cleaned, maintained and the like.

Description

Axial-flow type priming pump

Technical Field

The utility model relates to the field of drainage pumps, in particular to an axial-flow type priming pump.

Background

A self-sucking pump (priming pump) as a priming device features that before it is started, the pump casing is filled with water (or there is water in the pump casing itself), and after it is started, the vane rotates at high speed to make the water in the channel of vane flow to the volute, so opening the check valve to suck water.

The self-priming pump has a wide application range, but the development of the self-priming pump is restricted by the defects of the self-priming pump, firstly, the self-priming pump sucks water at an inlet into the water pump by the vacuum degree of a pump body, the self-priming pump can start water drainage only after a water inlet cavity of the water pump is filled with water, and in order to meet the vacuum condition, a one-way sealing valve is generally additionally arranged at a water inlet or a water outlet of the pump, so that the suction height of the pump is influenced by the vacuum degree, the suction height of a conventional pump is 4-6 meters, and the suction height of the self-priming pump with an auxiliary vacuum system is 8-9 meters, so the application range of the self-priming pump is limited; secondly, the self-sucking pump is vacuum self-sucking, the requirement on the sealing performance of the actual working capacity of the suction pipe and the suction valve is very high, water cannot be discharged once the vacuum degree is damaged, and because the environment conditions of drought resistance and waterlogging drainage are very poor, the self-sucking pump always has fatal defects when being used for drought resistance and waterlogging drainage; thirdly, in order to improve the vacuum degree of the self-priming pump, a water inlet or a water outlet one-way valve must be added, so that the structure of the pump body is complex, the weight of the pump body is increased, and the cost is correspondingly increased.

Therefore, there is a need for an improved priming device to achieve the goal of removing the suction lift limitation and priming more efficiently.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides an axial-flow type priming pump, which comprises a self-priming pump, a connecting pipe and a priming pump body, wherein the priming pump body is communicated with a water suction port of the self-priming pump through the connecting pipe, a submersible motor is arranged at the bottom of the priming pump body, an impeller which guides the side current of the self-priming pump is fixed on the output end of the submersible motor, when water is drawn, the submersible motor is started to drive the impeller to rotate, deep water is discharged into the pump body of the self-priming pump to store water for the self-priming pump, thus, under the assistance of the impeller rotating water in the water diversion pump body, the self-priming pump can directly start water drainage under the state of not being limited by the suction lift, in addition, the working state of the priming pump consisting of the priming pump body, the submersible motor and the impeller is automatically adjusted, the priming pump starts to pump water for the self-priming pump, and after the self-priming pump works, the priming pump becomes a relay pump, so that the working efficiency of the self-priming pump is improved.

Lower lugs are symmetrically fixed on the outer wall of the submersible motor, upper lugs are symmetrically fixed on the water diversion pump body, and the upper lugs and the lower lugs are bolted through screws, so that the water diversion pump body and the submersible motor are fixedly installed in an aligned mode.

The water pump body is connected through the conical duct to the top undergauge with the connecting pipe, and the impeller flushes with the conical duct bottom surface, increases the pump pressure when the water pump body flows to the self priming pump side through the undergauge for it is more smooth and easy to water delivery in the self priming pump.

The water diversion pump body is provided with a plurality of water diversion ports, each water diversion port is connected with a filter plate in a rotating mode through a pin shaft, round holes are evenly formed in the filter plates, water is evenly diverted through the combined action of the plurality of water diversion ports, and deep water evenly enters the water diversion pump body after being filtered by the filter plates.

All be fixed with the buckle on the filter, elastic material is chooseed for use to the buckle, and the dovetail groove has been seted up in the outside, and the bayonet socket has been seted up on the priming pump body equidistance, and with the dovetail groove extrusion fit of buckle, the filter passes through the buckle control state that opens and shuts, can open under the prerequisite of not destroying priming pump body structure, conveniently cleans, overhauls work such as to the priming pump body inside.

The filter is the casing form, and inside slip is pegged graft there is the filter core, and filter core top center department part is protruding to form the kicking block, has seted up on the filter and has supplied kicking block male breach, and the filter core can directly extract the filter core through dragging the kicking block after the filter rotates to be opened, conveniently clears up or change the filter core.

A baffle ring which completely covers the top of the priming pump body is fixed on one side of the top of the priming pump body, and impurities in a water body at the top of the baffle ring are blocked, so that the priming pump body is prevented from sucking excessive impurities when water is primed, and the filtering effect of a filter element is reduced.

The flange is installed to the junction of self priming pump and connecting pipe, improves the sealed degree that self priming pump and connecting pipe are connected.

Compared with the prior art, the utility model has the beneficial effects that:

1. by the aid of the rotation of the impeller in the water diversion pump body, the self-priming pump can directly start drainage in a state without being limited by suction lift, and the water diversion process is more efficient and stable.

2. The priming pump delivers water to the self-priming pump, and after the self-priming pump works, the priming pump body becomes a relay pump, so that the working efficiency of the self-priming pump is improved.

3. The filter passes through the buckle control state that opens and shuts, can open under the prerequisite of not destroying diversion pump body structure, conveniently cleans, overhauls work such as the internal portion of diversion pump.

Drawings

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

FIG. 2 is a schematic view of a repair state of the priming pump according to the present invention;

FIG. 3 is an exploded view of the water pump of the present invention;

FIG. 4 is a schematic diagram of the filter plate and filter element insertion structure of the present invention;

reference numerals: 1-a self-priming pump; 2-connecting pipe; 3-a water pump body; 31-a submersible motor; 32-an impeller; 33-lower hangers; 34-hanging a lug; 35-a screw; 4-a filter plate; 5-buckling; 6-a filter element; 61-a top block; 7-baffle ring.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood, the utility model is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the utility model, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention are described below with reference to the accompanying drawings.

Example one

As shown in fig. 1 to 4, the axial-flow type priming pump is assembled by the following components:

assembly description: firstly, the filter plate 4 is rotatably installed at the water inlet of the water diversion pump body 3 through a pin shaft, the impeller 32 is fixed on the output end of the submersible motor 31, then the submersible motor 31 loaded with the impeller 32 is inserted in a sliding mode in a mode of aligning to the bottom round opening of the water diversion pump body 3, the impeller 32 slides to a proper position, namely, when the impeller 32 reaches the bottom surface of the upper conical pipe of the water diversion pump body 3, the upper hanging lug 34 on the water diversion pump body 3 is aligned to the lower hanging lug 33 on the submersible motor 31 through rotation, then the screw 35 is meshed between the upper hanging lug 34 and the lower hanging lug 33, the submersible motor 31 is fixed with the water diversion pump body 3, and then the connecting pipe 2 is welded and installed between the top of the water diversion pump body 3 and the input end of the self-sucking pump 1.

Description of the working principle: when carrying out the diversion, submersible motor 31 opens drive impeller 32 and rotates, in discharging the pump body of self priming pump 1 with the deep water, carry out the retaining for self priming pump 1, impeller 32 rotates under the supplementary of diversion in priming pump body 3 like this, self priming pump 1 just can be under the state that does not receive the suction stroke restriction directly start the drainage, in addition, by priming pump body 3, the operating condition of the priming pump that submersible motor 31 and impeller 32 constitute is automatically regulated, just begin the priming pump and send water to self priming pump 1, after self priming pump 1 works, the priming pump becomes the relay pump and lasts the water supply for self priming pump 1.

Example two

In order to facilitate the cleaning, the maintenance and other work of the interior of the priming pump body 3, the embodiment is improved on the basis of the first embodiment:

as shown in fig. 1-4, an axial-flow type priming pump is assembled by the following components:

assembly description: firstly, the top block 61 is fixed on the filter element 6, then the filter element 6 is inserted into the filter plate 4, the filter plate 4 is rotatably arranged at the water inlet of the water pump body 3 through the pin shaft, the buckle 5 is fixed on one side of the filter plate 4 to control the opening and closing of the water diversion pump body 3, then the impeller 32 is fixed on the output end of the submersible motor 31, then the submersible motor 31 loaded with the impeller 32 is inserted in a sliding way aiming at the bottom round mouth of the water diversion pump body 3, when the impeller 32 slides to a proper position, namely the bottom surface of the conical pipe on the water diversion pump body 3, the rotation makes the upper hanger 34 on the water diversion pump body 3 align with the lower hanger 33 on the submersible motor 31, then the screw 35 is engaged between the upper hanger 34 and the lower hanger 33, the submersible motor 31 and the water diversion pump body 3 are fixed, then, the connecting pipe 2 is welded and installed between the top of the water diversion pump body 3 and the input end of the self-priming pump 1, and the baffle ring 7 is fixed at the joint of the connecting pipe 2 and the water diversion pump body 3.

Description of the working principle: when water is drawn, the submersible motor 31 is started to drive the impeller 32 to rotate, deep water is discharged into the pump body of the self-priming pump 1 to store water for the self-priming pump 1, so that under the assistance of the impeller 32 rotating water drawing in the water-priming pump body 3, the self-priming pump 1 can directly start water discharge in a state without being limited by a suction range, in addition, the working state of the water-priming pump consisting of the water-priming pump body 3, the submersible motor 31 and the impeller 32 is automatically adjusted, the water-priming pump starts to feed water for the self-priming pump 1, after the self-priming pump 1 works, the water-priming pump becomes a relay pump to continuously supply water for the self-priming pump 1, the machine is stopped after working for a period of time, the opening and closing state of the water-priming pump body 3 is controlled by the filter plate 4 through the buckle 5, the water-priming pump body 3 is opened on the premise of not damaging the structure of the water-priming pump body 3, the cleaning, the maintenance and the like of the interior of the water-priming pump body 3 are conveniently performed, and the filter element 6 is opened after the filter plate 4 rotates, can directly extract the filter element 6 by pulling the top block 61, conveniently clean or replace the filter element 6.

Claims

1. The utility model provides an axial-flow type diversion pump, includes self priming pump (1), connecting pipe (2) and diversion pump body (3), its characterized in that: the water suction pump body (3) is communicated with a water suction port (11) of the self-sucking pump (1) through a connecting pipe (2), a submersible motor (31) is installed at the bottom of the water suction pump body (3), and an impeller (32) which conducts side current to the self-sucking pump (1) is fixed on the output end of the submersible motor (31).

2. The axial-flow priming pump according to claim 1, characterized in that: lower hangers (33) are symmetrically fixed on the outer wall of the submersible motor (31), upper hangers (34) are symmetrically fixed on the water diversion pump body (3), and the upper hangers (34) are bolted with the lower hangers (33) through screws (35).

3. The axial-flow priming pump according to claim 1, characterized in that: the water guide pump body (3) is connected with the connecting pipe (2) through a conical pipe reducing the diameter to the top, and the impeller (32) is flush with the bottom surface of the conical pipe.

4. The axial-flow priming pump according to claim 1, characterized in that: a plurality of water inlets are formed in the water diversion pump body (3), each water inlet is rotatably connected with a filter plate (4) through a pin shaft, and circular holes are uniformly formed in the filter plates (4).

5. The axial-flow priming pump according to claim 4, characterized in that: all be fixed with buckle (5) on filter (4), buckle (5) select for use elastic material, and the dovetail groove has been seted up in the outside, draw the water pump body (3) and seted up the bayonet socket equidistantly, with the dovetail groove extrusion fit of buckle (5).

6. The axial-flow priming pump according to claim 4, characterized in that: the filter (4) are the casing form, and inside slip is pegged graft there is filter core (6), filter core (6) top center department part arch forms kicking block (61), set up on filter (4) and supply kicking block (61) male breach.

7. The axial-flow priming pump according to claim 1, characterized in that: and a baffle ring (7) which completely covers the top of the water diversion pump body (3) is fixed on one side of the top of the water diversion pump body (3).

8. The axial-flow priming pump according to claim 1, characterized in that: and a flange is arranged at the joint of the self-priming pump (1) and the connecting pipe (2).