CN220566248U

CN220566248U - Draining pump

Info

Publication number: CN220566248U
Application number: CN202321750018.4U
Authority: CN
Inventors: 黄旭锋
Original assignee: Ningbo Chuandu Fluid Technology Co ltd
Current assignee: Ningbo Chuandu Fluid Technology Co ltd
Priority date: 2023-07-05
Filing date: 2023-07-05
Publication date: 2024-03-08
Anticipated expiration: 2033-07-05

Abstract

The utility model discloses a drainage pump, which comprises a pump head body, wherein one end of the pump head body is provided with a motor, the other end of the pump head body is provided with a side cover, a drainage cavity is formed between the side cover and the pump head body, the pump head body is provided with a water inlet and a water outlet which are communicated with the drainage cavity, an impeller is arranged on an output shaft of the motor, an annular filter screen frame is tightly pressed between one end of the side cover and the pump head body, a filter screen is arranged in the middle of the side wall of the filter screen frame, a water filtering cavity communicated with the water outlet is formed between the filter screen frame and the inner wall of the pump head body, the right end of the output shaft of the motor is provided with a driving rod, and a cleaning component which is used for cleaning the filter screen and can move along the axis direction of the driving rod is arranged on the driving rod. The utility model is used for prolonging the service life of the cleaning brush, reducing the frequency of replacing the cleaning brush, and saving time and labor.

Description

Draining pump

Technical Field

The utility model relates to the technical field of fluid conveying equipment, in particular to a drainage pump.

Background

The types of washing apparatuses are various, such as washing machines, dish washers, etc. Taking a washing machine as an example, the washing machine mainly uses an internal washing box to wash, dewater and the like clothes, and the generated wastewater is directly pumped to a drain pipe by a drainage pump (impeller pump) and then is conveyed to a floor drain or other corresponding places, and because a large amount of impurities are contained in the wastewater to block an internal flow channel of the drainage pump, a filter screen is arranged in a drainage cavity to filter the impurities, and a cleaning brush for cleaning the filter screen is designed at the same time, but the current cleaning brush always rotates along with an output shaft of a motor, so that the cleaning brush is always in a working state, the service life of the cleaning brush is short, and the cleaning brush needs to be frequently detached and replaced by the washing device and the drainage pump, and is time-consuming and labor-consuming.

Disclosure of Invention

The utility model aims to provide a drainage pump which is used for prolonging the service life of a cleaning brush, reducing the frequency of replacing the cleaning brush and saving time and labor.

In order to solve the technical problems, the utility model adopts the following scheme:

the utility model provides a drain pump, includes the pump head body, and pump head body one end is equipped with the motor, and the other end is equipped with the side cap, constitutes between side cap and the pump head body has the drainage chamber, is equipped with on the pump head body with drainage chamber switch-on water inlet, delivery port, is equipped with the impeller on the output shaft of motor, compresses tightly between side cap one end and the pump head body has annular filter screen frame, and filter screen frame lateral wall middle part is equipped with the filter screen, is formed with the filter cavity with the delivery port switch-on between the internal wall of filter screen frame and pump head, the output shaft right-hand member of motor is equipped with the actuating lever, is equipped with on the actuating lever and is used for wasing the filter screen and can follow the washing subassembly that the actuating lever axis direction removed.

Due to the adoption of the technical scheme, on the basis of the existing drainage pump with a cleaning function, the right end of the output shaft of the motor is connected with the driving rod, the driving rod rotates under the driving of the motor along with the output shaft, and then the cleaning assembly is driven to rotate to clean sundries on the filter screen, and meanwhile, the cleaning assembly can also transversely move along the axial direction of the driving rod, so that the cleaning assembly does not need to be in a state of cleaning the filter screen all the time, the abrasion degree of the cleaning assembly can be effectively reduced, the service life of the cleaning assembly is prolonged, the frequency of disassembling the drainage pump and the cleaning assembly is reduced, and time and labor are saved.

Optionally, the driving rod is a threaded rod with external threads, and the driving rod is in threaded connection with the cleaning assembly.

Optionally, the cleaning assembly comprises a cleaning frame and a cleaning brush, wherein the middle part of the cleaning frame is provided with a threaded hole matched with the threaded rod, the threaded rod penetrates through the threaded hole to be in threaded connection with the cleaning frame, and the cleaning brush is fixed at the outer end of the cleaning frame and is in contact with the filter screen.

Optionally, the both ends of threaded rod are equipped with first gag lever post, the second gag lever post that is used for restricting wash rack lateral displacement respectively.

Optionally, two sides of the middle part of the cleaning frame are respectively provided with a stop block.

Optionally, the inner diameter of the side cover is larger than the inner diameter of the filter screen frame.

Optionally, sealing rings positioned at two sides of the water filtering cavity are tightly pressed between the filter screen frame and the inner wall of the pump head body, and the sealing rings are sleeved in grooves on the outer wall of the filter screen frame.

The utility model has the beneficial effects that:

1. according to the utility model, on the basis of the existing drainage pump with a cleaning function, the right end of the output shaft of the motor is connected with the driving rod, the driving rod rotates along with the output shaft under the driving of the motor, and then the cleaning assembly is driven to rotate to clean sundries on the filter screen, and meanwhile, the cleaning assembly can also transversely move along the axial direction of the driving rod, so that the cleaning assembly does not need to be in a state of cleaning the filter screen all the time, the abrasion degree of the cleaning assembly can be effectively reduced, the service life of the cleaning assembly is prolonged, the frequency of disassembling the drainage pump and the cleaning assembly is reduced, and time and labor are saved.

Drawings

FIG. 1 is a schematic diagram of the structure of the utility model when cleaning a filter screen;

fig. 2 is a schematic structural view of the present utility model without cleaning the filter screen.

Reference numerals: 01-pump head body, 02-motor, 03-output shaft, 04-impeller, 05-water outlet, 06-sealing ring, 07-water filtering cavity, 08-filter screen, 09-filter screen frame, 10-cleaning brush, 11-second limit rod, 12-driving rod, 13-cleaning frame, 14-side cover, 15-first limit rod, 16-dog, 17-drainage cavity.

Detailed Description

The present utility model will be described in further detail with reference to examples and drawings, but embodiments of the present utility model are not limited thereto.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "configured," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

The utility model provides a drain pump, includes pump head body 01, pump head body 01 one end is equipped with motor 02, the other end is equipped with side cap 14, constitute between side cap 14 and the pump head body 01 and be equipped with drainage chamber 17 on the pump head body 01, be equipped with impeller 04 on the output shaft 03 of motor 02 with drainage chamber 17 switch-on water inlet, delivery port 05, compress tightly between side cap 14 one end and the pump head body 01 has annular filter screen frame 09, filter screen frame 09 lateral wall middle part is equipped with filter screen 08, be formed with the filter cavity 07 with delivery port 05 switch-on between filter screen frame 09 and the pump head body 01 inner wall, the output shaft 03 right-hand member of motor 02 is equipped with actuating lever 12, be equipped with on the actuating lever 12 and be used for wasing filter screen 08 and can follow the washing subassembly that actuating lever 12 axis direction removed.

In this embodiment, the existing drainage pump is that sewage in the washing device (generally, a washing machine) enters the drainage cavity 17 from the water inlet (not shown in the figure), then after impurities are filtered by the filter screen 08, the impeller 04 rotates at a high speed to pump the sewage out of the water outlet 05, a cleaning component located at the right end of the impeller 04 is installed on the output shaft 03 of the motor 02, and the sewage on the filter screen 08 can be cleaned continuously along with the rotation of the output shaft 03 of the motor 02, so that the abrasion degree of the cleaning component is quite large, the service life is greatly shortened, the drainage pump needs to be frequently disassembled, the cleaning component is replaced, as shown in fig. 1 and 2, the scheme is that on the basis of the existing drainage pump with the cleaning function, the end part of the output shaft 03 of the motor 02 is connected with the driving rod 12 located at the right end of the impeller 04, the driving rod 12 rotates under the driving of the motor 02, and then the cleaning component is driven to rotate to clean the impurities on the filter screen 08, and meanwhile the cleaning component can also transversely move along the axis direction of the driving rod 12, so that the cleaning component is in a state of always cleaning 08, the abrasion degree of the cleaning component can be effectively reduced, the abrasion degree of the cleaning component is saved, the service life of the cleaning component is prolonged, and the time and the service life of the cleaning component is saved.

Example 2

Further, the driving rod 12 is a threaded rod with external threads, and the driving rod 12 is in threaded connection with the cleaning assembly. Specifically, the driving rod 12 adopts a threaded rod with external threads and is in threaded connection with the cleaning component, and the cleaning component is driven to move left and right through forward or reverse rotation of the driving rod 12, so that the cleaning component is prevented from being positioned at the position of the filter screen 08 all the time and is cleaned, and the abrasion degree of the cleaning component is reduced.

Further, the cleaning assembly comprises a cleaning frame 13 and a cleaning brush 10, a threaded hole is formed in the middle of the cleaning frame 13 and is matched with a threaded rod, the threaded rod penetrates through the threaded hole to be in threaded connection with the cleaning frame 13, and the cleaning brush 10 is fixed at the outer end of the cleaning frame 13 and is in contact with the filter screen 08. In particular, the method comprises the steps of,

further, a first limiting rod 15 and a second limiting rod 11 for limiting the transverse displacement of the cleaning frame 13 are respectively arranged at two ends of the threaded rod.

Further, two sides of the middle of the cleaning frame 13 are respectively provided with a stop block 16.

Further, the inner diameter of the side cover 14 is larger than the inner diameter of the filter screen frame 09. In this embodiment, specifically, the inner diameter of the side cover 14 is larger than the inner diameter of the filter screen frame 09, so that after the cleaning frame 13 moves transversely to the inside of the side cover 14, the cleaning brush 10 will not contact with the inner wall of the side cover 14, thereby avoiding the cleaning brush 10 from being worn and reducing the service life thereof.

On the basis of embodiment 1, in this embodiment, the left and right ends of the driving rod 12 are respectively fixed with the first limiting rod 15 and the second limiting rod 11 which face upwards, meanwhile, two sides of the middle part of the cleaning frame 13 are respectively provided with the stop blocks 16, after the stop blocks 16 on the left side of the cleaning frame 13 are contacted with the first limiting rod 15, the left displacement of the cleaning frame 13 can be limited, the cleaning frame 13 rotates along with the driving rod 12, the cleaning brush 10 cleans sundries on the filter screen 08, after the stop blocks 16 on the right side of the cleaning frame 13 are contacted with the second limiting rod 11, the right displacement of the cleaning frame 13 can be limited, the cleaning frame 13 rotates along with the driving rod 12, the cleaning brush 10 cannot be in contact with the inner wall of the side cover 14, and the abrasion degree of the cleaning brush 10 is reduced, and the specific working principle is that: as shown in fig. 1, when the drain pump is not draining, the motor 02 rotates forward, the cleaning rack 13 moves leftwards to the first limiting rod 15 under the action of the rotation of the driving rod 12 and the self gravity, the left stop block 16 contacts with the first limiting rod 15 to prevent the cleaning rack 13 from continuing to move leftwards, so that the cleaning rack 13 rotates synchronously along with the driving rod 12, and the cleaning brush 10 is further used for cleaning the filter screen 08; the diameter of the driving rod 12 is small, generally about 5mm, and the combined mass of the cleaning frame 13 and the cleaning brush 10 is large, so that the cleaning frame 13 can move laterally when the driving rod 12 rotates under the action of inertia. As shown in fig. 2, when water is required to be drained, the motor 02 is reversed, the cleaning rack 13 moves rightwards to the position of the second limiting rod 11 under the action of the reverse rotation of the driving rod 12 and the gravity of the motor, the stop block 16 on the right side is in contact with the second limiting rod 11 to prevent the cleaning rack 13 from continuing to move rightwards, so that the cleaning rack 13 synchronously rotates along with the driving rod 12, the inner diameter of the side cover 14 is larger than that of the filter screen rack 09, the working end of the cleaning brush 10 cannot be in contact with the inner wall of the side cover 14, the risk of being worn is reduced, the position of the cleaning brush 10 can be adjusted according to the working state of the drainage pump, the condition that the cleaning brush 10 is always in the cleaning state of the filter screen 08 is avoided, the degree of being worn of the cleaning brush 10 is greatly reduced, the service life of the cleaning brush 10 is prolonged, frequent disassembly of the drainage pump is avoided, and the cleaning brush 10 is replaced, and time and labor are saved.

Example 3

Further, a sealing ring 06 positioned at two sides of the water filtering cavity 07 is tightly pressed between the filter screen frame 09 and the inner wall of the pump head body 01, and the sealing ring 06 is sleeved in a groove on the outer wall of the filter screen frame 09. In this embodiment, two annular grooves have been seted up on filter screen frame 09 circumference, two recesses are located filter screen 08 both sides, and sealing washer 06 imbeds in the recess, and sealing washer 06 is compressed tightly between filter screen frame 09 and pump head body 01 inner wall, and sealing washer 06 can improve the leakproofness of filter screen frame 09 and pump head body 01 inner chamber, avoids washing device's sewage not just to be discharged through filter screen 08, reduces the risk that debris in the drain pump internal flow path other sewage blockked up.

The foregoing description of the preferred embodiment of the utility model is not intended to limit the utility model in any way, but rather to cover all modifications, equivalents, improvements and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a drain pump, including pump head body (01), pump head body (01) one end is equipped with motor (02), the other end is equipped with side cap (14), constitute between side cap (14) and pump head body (01) drainage chamber (17), be equipped with on pump head body (01) with drainage chamber (17) switch-on water inlet, delivery port (05), be equipped with impeller (04) on output shaft (03) of motor (02), compress tightly between side cap (14) one end and pump head body (01) have annular filter screen frame (09), filter screen frame (09) lateral wall middle part is equipped with filter screen (08), be formed with between filter screen frame (09) and the pump head body (01) inner wall with water filtering chamber (07) of delivery port (05) switch-on, its characterized in that, output shaft (03) right-hand member of motor (02) is equipped with actuating lever (12), be equipped with on actuating lever (12) and be used for wasing filter screen (08) and can follow the washing subassembly of actuating lever (12) axis direction removal.

2. Drain pump according to claim 1, characterized in that the driving rod (12) is a threaded rod with an external thread, the driving rod (12) being screwed with the cleaning assembly.

3. The drain pump according to claim 2, wherein the cleaning assembly comprises a cleaning frame (13) and a cleaning brush (10), the middle part of the cleaning frame (13) is provided with a threaded hole matched with a threaded rod, the threaded rod passes through the threaded hole to be in threaded connection with the cleaning frame (13), and the cleaning brush (10) is fixed at the outer end of the cleaning frame (13) and is in contact with the filter screen (08).

4. A drain pump according to claim 3, wherein the threaded rod is provided with a first stop lever (15) and a second stop lever (11) at each end for limiting the lateral displacement of the washing rack (13).

5. Drain pump according to claim 4, characterized in that the two sides of the middle part of the washing rack (13) are respectively provided with a stop block (16).

6. Drain pump according to claim 1, characterized in that the inner diameter of the side cover (14) is larger than the inner diameter of the sieve frame (09).

7. The drainage pump according to claim 1, wherein sealing rings (06) located at two sides of the water filtering cavity (07) are pressed between the filter screen frame (09) and the inner wall of the pump head body (01), and the sealing rings (06) are sleeved in grooves on the outer wall of the filter screen frame (09).