CN215762416U - Self-cleaning barrier-free impeller based on sewage pump - Google Patents

Abstract

The utility model discloses a self-cleaning barrier-free impeller based on a sewage pump, which comprises a pump body, wherein the pump body is provided with a water inlet, a water outlet and a cavity, and the water inlet and the water outlet are communicated with the cavity; an impeller is arranged in the cavity; the pump comprises a first bracket, a second bracket and a connecting part, wherein the first bracket is connected with the second bracket through the connecting part, and one end of the second bracket is connected with a motor rotating shaft of a pump body; a through hole is formed in the first support, a circular ring is arranged around the through hole, and the circular ring corresponds to the water inlet; through the gaps formed between the connecting sheets, a large amount of water can pass through the connecting sheets, the connecting sheets are arc-shaped, when water flows through the gaps between the two connecting sheets, the inner walls of the connecting sheets are cleaned, and the cleaning time and times of a user on the impeller are reduced; the impeller is made of metal materials, the impeller made of metal materials is firmer, the service life is more durable, and impurities, sludge and the like entering the cavity are not easy to damage the impeller.

Description

Self-cleaning barrier-free impeller based on sewage pump

Technical Field

The utility model relates to the technical field of sewage pumps, in particular to a self-cleaning barrier-free impeller based on a sewage pump.

Background

Water pumps are machines that deliver or pressurize a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, mainly used to transfer liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal, etc., and also to transfer liquid, gas mixture and liquid containing suspended solid matter. The pump can be divided into a volume water pump, a vane pump and the like according to different working principles. The displacement pump transfers energy by utilizing the change of the volume of a working chamber; vane pumps transfer energy by the interaction of rotating vanes with water and are available in the types of centrifugal pumps, axial flow pumps, mixed flow pumps, and the like.

The water discharged by the existing sewage pump contains substances such as impurities, silt and the like, and the impeller in the pump body is relatively large in resistance when contacting with discharged substances, so that the rotating shaft of the motor is easy to axially move, and the pressure applied to the rotating shaft is also transferred into the motor cavity, so that the motor is easy to heat and burn; the impeller and the pumping chamber are two core components of the water pump, the performance of the impeller and the pumping chamber represents the performance of the pump, technical parameters for measuring the performance of the water pump comprise flow, suction lift, shaft power, water power, efficiency and the like, and the performance of the impeller directly influences the performance of the water pump.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a self-cleaning barrier-free impeller for a sewage pump.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a self-cleaning barrier-free impeller based on a sewage pump comprises a pump body, wherein the pump body is provided with a water inlet, a water outlet and a cavity, and the water inlet and the water outlet are communicated with the cavity; an impeller is arranged in the cavity; the pump is characterized by comprising a first bracket, a second bracket and a connecting part, wherein the first bracket is connected with the second bracket through the connecting part, and one end of the second bracket is connected with a motor rotating shaft of the pump body; the water inlet is arranged at the bottom of the water tank, the first support is provided with a through hole, a circular ring is arranged around the through hole, and the circular ring corresponds to the water inlet.

Preferably, the connecting part comprises two connecting pieces corresponding to each other in position, a gap is formed between the two connecting pieces, and water flows enter the water outlet through the gap.

Preferably, a sealing ring is arranged between the impeller and the motor rotating shaft.

Preferably, the second support is located motor shaft one side is provided with a joint portion, motor shaft one end joint in the joint portion.

Preferably, the connecting sheet is arc-shaped.

Preferably, the impeller is made of metal.

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

the utility model designs a self-cleaning barrier-free impeller based on a sewage pump, a water inlet is placed in water, water is filled into a cavity from a water outlet, then an external power supply is connected, the sewage pump is electrified to work, and a rotating shaft of a motor rotates, so that the impeller is driven to rotate; the impeller drives water to generate centrifugal force, and simultaneously, the center of the impeller forms vacuum, so that the water entering through the water inlet flows to the center of the impeller under the action of atmospheric pressure, and is discharged from the water inlet pipe orifice and then is discharged through the water outlet; a larger gap is formed between the two connecting sheets, so that a large amount of water can pass through the connecting sheets, the connecting sheets are arc-shaped, when water flows through the gap between the two connecting sheets, the inner walls of the connecting sheets are cleaned, and the cleaning time and times of a user on the impeller are reduced; a sealing ring is arranged between the impeller and the motor shaft lever; the contact part of the impeller and the motor is sealed, so that water in the cavity is prevented from entering the motor and affecting the work of the motor; the impeller is made of metal materials, the impeller made of metal materials is firmer, the service life is more durable, and impurities, sludge and the like entering the cavity are not easy to damage the impeller.

Drawings

FIG. 1 is a schematic structural diagram according to the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is a cross-sectional view of the pump body proposed by the present invention.

Illustration of the drawings:

1. a pump body, a pump body 2 and an impeller,

11. a water inlet, a water outlet and a water outlet,

13. a cavity body 14, a motor rotating shaft,

21. the first bracket, 22, the second bracket,

23. a connecting part 24, a sealing ring,

211. the length of the through-hole, 212, the ring,

231. and (7) connecting the sheets.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, the self-cleaning barrier-free impeller for the sewage pump comprises a pump body 1, wherein the pump body 1 is provided with a water inlet 11, a water outlet 12 and a cavity 13, and the water inlet 11 and the water outlet 12 are communicated with the cavity 13; an impeller 2 is arranged in the cavity 13; the impeller 2 comprises a first bracket 21, a second bracket 22 and a connecting part 23, wherein the first bracket 21 is connected with the second bracket 22 through the connecting part 23, and one end of the second bracket 22 is connected with the motor rotating shaft 14 of the pump body 1; the first support 21 is provided with a through hole 211, a circular ring 212 is arranged around the through hole 211, and the circular ring 212 corresponds to the water inlet 11.

In a preferred embodiment of the present invention, the connecting portion 23 includes two connecting pieces 231 corresponding to each other in position, a gap is formed between the two connecting pieces 231, and water flows into the water outlet 12 through the gap; a large gap is formed between the two connection pieces 231 to allow a large amount of water to pass through, and the connection pieces 231 are arc-shaped, so that when water flows through the gap between the two connection pieces 231, the inner walls of the connection pieces 231 are cleaned, and the time and times for cleaning the impeller 2 by a user are reduced.

In the preferred embodiment of the present invention, the diameter of the circular ring 212 is larger than that of the through hole 211, the circular ring 212 and the through hole 211 form a channel, and the water of the water inlet 11 enters the center of the impeller 2 through the channel; the impeller 2 drives water to generate centrifugal force, so that the water is discharged from the water inlet pipe orifice 11 and then is discharged from the water outlet 12.

In the preferred embodiment of the present invention, a sealing ring 24 is disposed between the impeller 2 and the motor shaft 14; the contact part of the impeller 2 and the motor is sealed, so that water in the cavity 13 is prevented from entering the motor and affecting the work of the motor.

In a preferred embodiment of the present invention, a clamping portion (not shown) is disposed on one side of the motor shaft 14 of the second bracket 22, and one end of the motor shaft 14 is clamped in the clamping portion.

In the preferred embodiment of the present invention, the impeller 2 is made of metal, the impeller 2 made of metal is firmer and has a longer service life, and impurities, sludge and the like entering the cavity 13 are not easy to damage the impeller 2.

The working principle of the utility model is as follows: putting the water inlet 11 into water, filling the cavity 13 with water from the water outlet 12, connecting an external power supply, electrifying the sewage pump to work, and rotating the motor rotating shaft 14 so as to drive the impeller 2 to rotate; the impeller 2 drives water to generate centrifugal force, and simultaneously, the center of the impeller 2 forms vacuum, so that the water entering through the water inlet 11 flows to the center of the impeller 2 under the action of atmospheric pressure, and the water is discharged from the water inlet pipe orifice 11 and then is discharged through the water outlet 12.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (7)

1. A self-cleaning barrier-free impeller based on a sewage pump comprises a pump body, wherein the pump body is provided with a water inlet, a water outlet and a cavity, and the water inlet and the water outlet are communicated with the cavity; an impeller is arranged in the cavity; the pump is characterized by comprising a first bracket, a second bracket and a connecting part, wherein the first bracket is connected with the second bracket through the connecting part, and one end of the second bracket is connected with a motor rotating shaft of the pump body; the water inlet is arranged at the bottom of the water tank, the first support is provided with a through hole, a circular ring is arranged around the through hole, and the circular ring corresponds to the water inlet.

2. A self-cleaning barrier-free impeller for a dredge pump according to claim 1, wherein the connecting portion comprises two connecting pieces corresponding to each other in position, a gap is formed between the two connecting pieces, and water flows into the water outlet through the gap.

3. The self-cleaning barrier-free impeller for the sewage pump according to claim 1, wherein a sealing ring is disposed between the impeller and the rotating shaft of the motor.

4. The self-cleaning barrier-free impeller for the sewage pump according to claim 1, wherein the second bracket is provided with a clamping portion at one side of the rotating shaft of the motor, and one end of the rotating shaft of the motor is clamped in the clamping portion.

5. The self cleaning, barrier free impeller for a dredge pump of claim 1 wherein the water inlet is located directly above the impeller.

6. A self-cleaning barrier-free impeller for a dredge pump according to claim 2 wherein the connecting piece is arc-shaped.

7. The self-cleaning barrier-free impeller for the sewage pump according to claim 1, wherein the impeller is made of metal.

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