WO2023056599A1

WO2023056599A1 - Submersible pump structure having double-pipe sand discharge self-cleaning function

Info

Publication number: WO2023056599A1
Application number: PCT/CN2021/122608
Authority: WO
Inventors: 陈平; 孙仙友; 孙丹清
Original assignee: 绿美泵业有限公司
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2023-04-13

Abstract

A submersible pump structure having a double-pipe sand discharge self-cleaning function, belonging to the technical field of water pumps and comprising: a pump body (1); a filter screen (7) fixedly connected below the pump body (1); a water intake disc (4) fixedly connected to an inner shaft (3); a base (2) fixedly connected below the filter screen (7); and a motor (6) fixedly connected to the inside of the base (2), the motor (6) being fixedly connected to the inner shaft (3), the inner shaft (3) being rotatably connected inside an outer sleeve shaft (5). By using support feet to increase the contact area between the submersible pump and the sludge, the submersible pump is prevented from sinking into said sludge. An outer mesh enclosure (201) is additionally provided to block out large foreign matter, preventing same from attaching to the outer side of the filter screen (7); and the filter screen (7) is cleaned by means of brushes (502).

Description

A submersible pump structure with double-pipe sand-discharging self-cleaning function

technical field

The utility model belongs to the technical field of water pumps, and more specifically relates to a submersible pump structure with the self-cleaning function of double-pipe sand discharge.

Background technique

Submersible pump is an important equipment for lifting water from deep wells. When in use, the submersible pump needs to be submerged in the water to extract groundwater to the surface. It is mainly used for farmland irrigation and water for humans and animals in high mountain areas. It can also be used for cooling of central air conditioners and heat pumps. Units, cold pump units, city, factory drainage.

Based on the above, when the existing submersible pump is working in a deep well, the submersible pump directly contacts with the silt in the deep well. If the submersible pump is too heavy, it will sink into the silt. clogged.

Therefore, in view of this, the existing structure and defects are studied and improved, and a submersible pump structure with a double-pipe sand-discharging self-cleaning function is provided in order to achieve more practical purposes.

Utility model content

In order to solve the above-mentioned technical problems, the utility model provides a submersible pump structure with the self-cleaning function of double-pipe sand discharge to solve the problem that when the existing submersible pump works in a deep well, the submersible pump directly contacts with the silt in the deep well, and the submersible If the pump is too heavy, it will sink into the sludge, and the filter screen will absorb large foreign objects, which will block the filter screen.

The purpose and effect of the utility model, a submersible pump structure with double-pipe sand-discharging self-cleaning function, is achieved by the following specific technical means:

A submersible pump structure with double-pipe sand-discharging self-cleaning function, including a pump body; a set of filter screens is fixedly connected to the bottom of the pump body; a suction plate is connected to the inner side of the pump body; the water suction plate is fixed to the inner shaft connection; a set of bases is fixedly connected under the filter screen; a set of motors is fixedly connected inside the base; the motor is fixedly connected to the inner shaft; the inner shaft is rotatably connected to the inside of the outer shaft.

Further, a group of outer net covers are fixedly connected above the base, and the outer net covers are fixedly connected to the outside of the filter screen.

Further, a support foot is fixedly connected to the bottom of the base, and the ground of the support foot is circular.

Further, the inner shaft also includes an inner ratchet, a set of inner ratchets is fixedly connected under the inner shaft, and an outer ratchet is also included under the outer shaft, and a set of outer ratchets is fixedly connected under the outer shaft, and the inner ratchet and the outer ratchet mesh to form a ratchet transmission. .

Further, the outer shaft also includes brushes, four sets of brushes are fixedly connected to the outer side of the outer shaft, and the brushes are movably connected to the filter.

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

In the utility model, when the submersible pump extracts the water inside the deep well, the contact area between the submersible pump and the silt is increased through the support feet fixedly connected under the base, preventing the submersible pump from sinking into the silt, and the submersible pump extracts water. When the time is high, suction will be generated, and the suction will pull nearby sundries into the submersible pump. The pump body passes through the outer mesh cover to prevent large foreign matter inside the deep well from adhering to the outside of the filter, blocking the filter, and making it impossible for the submersible pump to extract water. , when cleaning the inner filter screen of the submersible pump, turn the motor, and the motor drives the inner shaft to rotate through the fixed connection between the motor and the inner shaft. Mesh with the external ratchet to form a ratchet transmission, which drives the outer shaft to rotate, and the outer shaft cleans the filter screen through the brush. In summary, the contact area between the submersible pump and the silt is increased through the supporting feet to prevent the submersible pump from sinking into the silt Inside, by adding an outer net cover, the larger foreign matter is blocked, and the larger foreign matter is prevented from adhering to the outside of the filter, and the filter is cleaned by a brush.

Description of drawings

Fig. 1 is a schematic diagram of the axial side structure of the utility model.

Fig. 2 is a schematic diagram of the axial side structure of the base of the utility model.

Fig. 3 is a schematic diagram of the internal structure of the base of the present invention.

Fig. 4 is a schematic diagram of the axial side structure of the filter screen of the present invention.

Fig. 5 is a schematic diagram of the internal structure of the filter screen of the present invention.

In the figure, the corresponding relationship between component names and drawing numbers is:

1. Pump body; 2. Base; 201. Outer mesh cover; 3. Inner shaft; 301. Inner ratchet; 4. Suction plate; 5. Outer shaft; 501. Outer ratchet; 502. Brush; 6. Motor; 7. ,Filter.

Detailed ways

The implementation of the present utility model will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

In the description of the present utility model, unless otherwise specified, the meaning of "multiple" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer" ", "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the utility model and simplifying the description. It does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the present invention. In addition, the terms "first", "second", "third", etc. are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that unless otherwise specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, or Integratively connected; it can be mechanically or electrically connected; it can be directly connected or indirectly connected through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

Example:

As shown in accompanying drawing 1 to accompanying drawing 5:

The utility model provides a submersible pump structure with the self-cleaning function of double-pipe sand discharge, including a pump body 1; a group of filter screens 7 is fixedly connected to the bottom of the pump body 1; It is fixedly connected with the inner shaft 3; a group of bases 2 is fixedly connected under the filter screen 7; a group of motors 6 is fixedly connected inside the base 2; the motor 6 is fixedly connected with the inner shaft 3;

Wherein, a group of outer mesh covers 201 are fixedly connected to the top of the base 2, and the outer mesh covers 201 are fixedly connected to the outside of the filter screen 7. In use, the outer mesh covers 201 are used to prevent the filter screen 7 from being blocked by larger foreign objects in the deep well, so that the diving The pump cannot extract the water.

Wherein, the bottom of the base 2 is fixedly connected with support feet, and the ground of the support feet is circular. In use, the contact area between the submersible pump and the silt can be increased through the support feet to prevent the submersible pump from sinking into the silt.

Wherein, the inner shaft 3 also includes an inner ratchet 301, a group of inner ratchets 301 is fixedly connected to the bottom of the inner shaft 3, the outer shaft 5 also includes an outer ratchet 501, and a group of outer ratchets 501 is fixedly connected to the lower side of the outer shaft 5, and the inner ratchet 301 and The outer ratchet 501 meshes to form a ratchet transmission. In use, when the motor 6 rotates, the fixed connection between the motor 6 and the inner shaft 3 drives the inner shaft 3 to rotate. When the inner shaft 3 rotates forward, the inner ratchet 301 rotates, and the inner shaft 3 When reversing, the inner ratchet 301 meshes with the outer ratchet 501 to form a ratchet transmission, which drives the outer shaft 5 to rotate.

Wherein, the outer shaft 5 also includes a hair brush 502, four groups of hair brushes 502 are fixedly connected to the outer side of the outer shaft 5, and the hair brush 502 is movably connected with the filter screen 7. In use, when the outer shaft 5 rotates, through the brushes 502 Filter screen 7 is cleaned.

The specific usage and function of this embodiment:

When the submersible pump extracts the water inside the deep well, the contact area between the submersible pump and the silt is increased by fixedly connecting the supporting feet under the base 2 to prevent the submersible pump from sinking into the silt. When the submersible pump extracts water, Suction will be generated, and the suction will pull nearby sundries into the submersible pump. The pump body 1 passes through the outer mesh cover 201 to prevent the large foreign matter in the deep well from adhering to the outside of the filter 7, and block the filter 7, so that the submersible pump cannot discharge the water. Extraction, when cleaning the inner filter screen 7 of the submersible pump, turn the motor 6, and the motor 6 drives the inner shaft 3 to rotate through the fixed connection between the motor 6 and the inner shaft 3. When the inner shaft 3 rotates forward, the inner ratchet 301 rotates , when the inner shaft 3 reverses, the inner ratchet 301 meshes with the outer ratchet 501 to form a ratchet transmission, which drives the outer shaft 5 to rotate, and the outer shaft 5 cleans the filter screen 7 through the brush 502 .

The embodiments of the invention have been presented for purposes of illustration and description, but are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and changes will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to better illustrate the principle and practical application of the invention, and to enable those of ordinary skill in the art to understand the invention and design various embodiments with various modifications suitable for particular purposes.

Claims

A submersible pump structure with a double-pipe sand-discharging self-cleaning function, characterized in that: the submersible pump structure with a double-pipe sand-discharging self-cleaning function includes a pump body (1); the bottom of the pump body (1) is fixed A group of filter screens (7) are connected; the inner side of the pump body (1) is rotatably connected with a water suction plate (4); the water suction plate (4) is fixedly connected with the inner shaft (3); the bottom of the filter screen (7) A group of bases (2) are fixedly connected; a group of motors (6) are fixedly connected inside the base (2); the motors (6) are fixedly connected to the inner shaft (3); the inner shaft (3) is rotatably connected to Outer shaft (5) inside.
2. A submersible pump structure with double-pipe sand-discharging self-cleaning function as claimed in claim 1, characterized in that: a group of outer mesh covers (201) are fixedly connected above the base (2), and the outer mesh covers (201 ) is fixedly connected to the filter screen (7) outside.
A submersible pump structure with double-pipe sand-discharging self-cleaning function according to claim 1, characterized in that: a support foot is fixedly connected to the bottom of the base (2), and the ground of the support foot is circular.
According to claim 1, a submersible pump structure with double-pipe sand-discharging self-cleaning function is characterized in that: the inner shaft (3) also includes an inner ratchet (301), and a bottom of the inner shaft (3) is fixedly connected to a The inner ratchet (301) of the group, the outer ratchet (5) also includes an outer ratchet (501), and a group of outer ratchets (501) are fixedly connected under the outer shaft (5), and the inner ratchet (301) and the outer ratchet (501) are engaged to form a Ratchet drive.
A submersible pump structure with double-pipe sand-discharging self-cleaning function according to claim 1, characterized in that: the outer shaft (5) also includes a brush (502), and the outer side of the outer shaft (5) is fixedly connected with Four groups of hair brushes (502), the hair brushes (502) are movably connected with the filter screen (7).