Sewage pump

By using a bevel gear set to drive the cleaning brush and scraper, combined with a chain guide and support structure, the problem of impurity clogging in traditional sewage pumps is solved, achieving an automatic cleaning and easy-to-maintain sewage pump design.

CN223459559UActive Publication Date: 2025-10-21DALIAN DAYU WATER TREATMENT TECH
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202521977270.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-15
Publication Date
2025-10-21
Estimated Expiration
2035-09-15

AI Technical Summary

Technical Problem

During operation, traditional sewage pumps are prone to clogging of the pump inlet or filter device by impurities in the sewage, leading to a decrease in pump efficiency, frequent shutdowns for cleaning, high maintenance costs, and disruption of system continuity.

Method used

The filter structure is automatically cleaned in real time by using a bevel gear set to drive the cleaning brush and scraper. Impurities are scraped into the collection tank for centralized isolation. Combined with the chain guide and support structure, the working stability is improved and maintenance is convenient.

Benefits of technology

It effectively prevents clogging, achieves efficient sewage discharge, self-cleaning and easy maintenance, and improves the working stability and maintenance convenience of the pump body.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223459559U_ABST
    Figure CN223459559U_ABST
Patent Text Reader

Abstract

The utility model discloses a sewage pump which comprises a sewage pump body, a sewage discharging sleeve and a blocking sleeve, the inner wall of the sewage discharging sleeve is rotatably connected with an impeller, the bottom end of the impeller is fixedly connected with a connecting rod, and the outer wall of the connecting rod is fixedly connected with a driving bevel gear. According to the utility model, through the filter sleeve and the filter plate which are arranged in the barrier sleeve, and the cleaning brush and the scraping plate which are driven by the bevel gear set, the filter structure is automatically cleaned in real time, and holes can be effectively prevented from being blocked; meanwhile, large impurities and cleaned dirt are scraped into an impurity collecting groove formed by the annular baffle and the blocking sleeve through the rotating scraping plate, centralized collection and isolation of the impurities are achieved, and the impurities are prevented from repeatedly entering the pump body; the chain guide mechanism and the supporting plate structure are combined, the stability of the pump body during working is improved, hoisting operation during maintenance is facilitated, and the whole structure is reasonable and has the multiple advantages of efficient pollution discharge, self-cleaning, blockage prevention, easy maintenance and the like.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a sewage pump production technical field especially relates to a sewage pump. BACKGROUND

[0002] Sewage pump is a kind of pump mainly used to transport sewage containing solid particles, fiber, sludge and other impurities. Its core task is not to provide very high pressure, but to smoothly, unblocked pumping and discharging dirty, turbid mixed liquid. Since the medium transported is usually corrosive and abrasive, the main flow components of sewage pump (such as pump body, impeller) are often made of cast iron, stainless steel, high chromium alloy and other strong and durable materials.

[0003] As a common fluid conveying equipment, sewage pump is widely used in municipal sewage, industrial wastewater treatment and other fields, and its core function is to successfully discharge sewage containing solid particles, fiber and other impurities. In the running process of traditional sewage pump, the impurities in the sewage are easy to block the pump body inlet or filter device, which leads to the decrease of pump efficiency or even failure, and frequent shutdown for cleaning is required, which is high in maintenance cost and affects the continuity of the system. Although there are some sewage pumps with self-cleaning function in the prior art, they still have problems such as incomplete cleaning, complex structure or poor treatment effect on large particle impurities.

[0004] Therefore, how to provide a sewage pump is a problem to be solved by those skilled in the art. INVENTION CONTENTS

[0005] One purpose of the utility model is to provide a sewage pump, which drives the cleaning brush and scraping plate through bevel gear set, realizes real-time automatic cleaning of the filter structure, effectively prevents blockage, scrapes the impurities into the collection groove for centralized isolation by the scraping plate, avoids repeated entry into the pump body, combines chain guide and support structure, improves working stability and facilitates maintenance and hoisting, has multiple advantages such as efficient sewage discharge, self-cleaning and easy maintenance, and solves the problems in the above background technology.

[0006] According to the utility model of a kind of sewage pump, including sewage pump main body, still including sewage cover and barrier cover, the impeller is rotatably connected on the inner wall of sewage cover, the connecting rod is fixedly connected at the bottom end of impeller, the driving bevel gear is fixedly connected on the outer wall of connecting rod, the driving bevel gear is meshed with a plurality of driven bevel gears on the outer wall, the rotating rod is fixedly connected on the inner wall of driven bevel gear, the cleaning brush is arranged on the outer wall of rotating rod, the rotating rod is rotatably connected between the end away from driven bevel gear and filter cover, the scraping plate is fixedly connected on the outer wall of connecting rod bottom end, and the scraping plate is slidably connected with filter plate.

[0007] As a preferred scheme of the utility model: the annular baffle is fixedly connected on the inner wall bottom end of barrier cover, and the sundry collection groove is arranged between the annular baffle and the inner wall of barrier cover.

[0008] As a further preferred scheme of the utility model: the front end of the sewage pump body top is fixedly connected with electric wire, the middle part of the sewage pump body top end is fixedly connected with chain.

[0009] As a further preferred scheme of the utility model: the bottom end of the sewage pump body is fixedly connected with sewage cover, the bottom end of the sewage cover is fixedly connected with barrier cover.

[0010] As a further preferred scheme of the utility model: the inner wall top end of the barrier cover is fixedly connected with filter cover, the filter cover bottom end is provided with filter plate.

[0011] As a further preferred scheme of the utility model: the left side of the sewage cover is fixedly connected with connecting plate, the outer wall front and back sides of the connecting plate are all slidingly connected with guide rod.

[0012] As a further preferred scheme of the utility model: the top end between the guide rod is fixedly connected with fixed part, the left and right sides of the connecting plate bottom end are all fixedly connected with support plate.

[0013] As a further preferred scheme of the utility model: the left side of the sewage cover is fixedly connected with sewage conveying pipe, the end away from the sewage cover of the sewage conveying pipe is provided with connecting flange.

[0014] The utility model has the advantages of:

[0015] The utility model discloses a filter cover, filter plate, cleaning brush and scraping plate driven by bevel gear set arranged in the barrier cover, realize the real-time automatic cleaning of the filter structure, can effectively prevent the hole from being blocked, and the larger impurities and dirt cleaned are scraped into the sundries collecting groove formed by the annular baffle and barrier cover by the rotating scraping plate, realize the centralized collection and isolation of impurities, avoid the repeated entry of impurities into the pump body, and the chain guide mechanism and support plate structure are combined, which not only improves the stability of the pump body during work, but also facilitates the hoisting operation during maintenance, and the overall structure is reasonable and has multiple advantages such as efficient sewage, self-cleaning, anti-blocking and easy maintenance. DETAILED DESCRIPTION

[0016] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0017] Figure 1 It is an overall structure front view schematic diagram of the utility model proposes a sewage pump.

[0018] Figure 2 It is a local structure front view schematic diagram of the utility model proposes a sewage pump.

[0019] Figure 3 The utility model provides a sewage pump main body down structure schematic drawing of sewage pump.

[0020] Figure 4 The utility model provides a sewage pump's barrier sleeve section view schematic drawing.

[0021] Figure 5 The utility model provides a sewage pump's scraping assembly split schematic drawing.

[0022] Figure 6 The utility model provides a sewage pump's scraping assembly local structure schematic drawing.

[0023] The drawing marks: 1, sewage pump main body 2, electric wire 3, sewage cover 4, barrier sleeve 5, support plate 6, connecting plate 7, connecting flange 8, sewage pipe 9, guide rod 10, fixed part 11, chain 12, scraping plate 13, annular baffle 14, impeller 15, filter cover 16, cleaning brush 17, sundry collection groove 18, connecting rod 19, driven bevel gear 20, driving bevel gear 21, filter plate 22, rotating rod. Specific implementation

[0024] Now make further detailed description to the utility model in conjunction with the drawings. These drawings are all simplified schematic drawings, just with schematic mode to show the basic structure of the utility model, so it just shows the constitution related with the utility model.

[0025] Reference Figure 1 , Figure 3 , Figure 4 , Figure 5 , Figure 6As shown, a sewage pump, comprising a sewage pump body 1, also comprising a sewage sleeve 3 and a barrier sleeve 4, the inner wall of the sewage sleeve 3 is rotatably connected with an impeller 14, the bottom end of the impeller 14 is fixedly connected with a connecting rod 18, the outer wall of the connecting rod 18 is fixedly connected with a driving bevel gear 20, the outer wall of the driving bevel gear 20 is meshingly connected with a plurality of driven bevel gears 19, the inner wall of the driven bevel gear 19 is fixedly connected with a rotating rod 22, the outer wall of the rotating rod 22 is provided with a cleaning brush 16, the end of the rotating rod 22 away from the driven bevel gear 19 is rotatably connected with the filter sleeve 15, the outer wall of the bottom end of the connecting rod 18 is fixedly connected with a scraping plate 12, the scraping plate 12 is slidably connected with the filter plate 21, the inner wall of the bottom end of the barrier sleeve 4 is fixedly connected with an annular baffle 13, the annular baffle 13 and the inner wall of the barrier sleeve 4 are provided with a sundry collecting groove 17, the driven bevel gear 19 is rotatably connected with a support plate, which is arranged between the cleaning brush 16 and the driven bevel gear 19, and the position between the cleaning brush 16 and the driven bevel gear 19 can accommodate the rotation of the rotating rod 22, the bottom of the support plate and the inner wall of the bottom of the filter sleeve 15 are fixed, which can play a supporting role for the driven bevel gear 19.

[0026] When the sewage pump body 1 is in use, the sliding connection of the connecting plate 6 and the guide rod 9 can play a guiding role for the sewage pump body 1, the setting of the chain 11 can prevent the sewage pump body 1 from sagging or shifting due to its own weight and the impact force of water, ensuring its stability during use, and when the pump needs to be lifted out of the pit for maintenance, repair or replacement, it can be safely lifted by the chain, the setting of the support plate 5 can play a supporting and fixing role for the sewage pump body 1, the other end of the rotating rod 22 on the driven bevel gear 19 is rotatably connected with the circumferential inner wall of the filter sleeve 15, which can not only transmit torque (make the rod rotate), but also allow the rod to have a small movement along its axial direction, while providing strong radial support, which is a spline connection that can rotate and limit axial movement, but not a simple rotary connection.

[0027] Reference Figure 1 , Figure 2 , Figure 3 As shown, the top front end of the sewage pump body 1 is fixedly connected with an electric wire 2, the top middle of the sewage pump body 1 is fixedly connected with a chain 11, the bottom end of the sewage pump body 1 is fixedly connected with a sewage sleeve 3, the bottom end of the sewage sleeve 3 is fixedly connected with a barrier sleeve 4, the inner wall of the top end of the barrier sleeve 4 is fixedly connected with a filter sleeve 15, the bottom end of the filter sleeve 15 is provided with a filter plate 21, the left side of the sewage sleeve 3 is fixedly connected with a connecting plate 6, the outer wall of the connecting plate 6 is slidably connected with guide rods 9 on the front and rear sides, the top ends of the guide rods 9 are fixedly connected with a fixing piece 10, the bottom end of the connecting plate 6 is fixedly connected with support plates 5 on the left and right sides, the left side of the sewage sleeve 3 is fixedly connected with a sewage conveying pipe 8, and the end of the sewage conveying pipe 8 away from the sewage sleeve 3 is provided with a connecting flange 7.

[0028] Working principle:

[0029] When the sewage pump body 1 is in use, the motor drives the impeller 14 to rotate, the bottom end connecting rod 18 is driven to rotate through the rotation of the impeller 14, the outer wall driving bevel gear 20 is driven to rotate through the rotation of the connecting rod 18, a plurality of driven bevel gears 19 on the outer wall are driven to rotate through the rotation of the driving bevel gear 20, the rotating rod 22 on the outer wall is driven to rotate through the rotation of the driven bevel gears 19, the cleaning brush 16 on the outer wall is driven to rotate through the rotation of the rotating rod 22, the stains entering the inner hole of the filter plate 21 can be discharged through the rotation of the cleaning brush 16, then the scraped plate 12 is scraped through the connecting rod 18 at the same time, the stains are scraped out, then the stains are scraped out, and the stains are scraped out.

[0030] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A sewage pump, characterized in that Including the blowdown pump body (1), still including the blowdown sleeve (3) and the barrier sleeve (4), the inner wall of the blowdown sleeve (3) is rotatably connected with the impeller (14), the bottom end of the impeller (14) is fixedly connected with the connecting rod (18), the outer wall of the connecting rod (18) is fixedly connected with the driving bevel gear (20), the outer wall of the driving bevel gear (20) is engaged with a plurality of driven bevel gears (19), the inner wall of the driven bevel gear (19) is fixedly connected with the rotating rod (22), the outer wall of the rotating rod (22) is provided with the cleaning brush (16), the end of the rotating rod (22) away from the driven bevel gear (19) is rotatably connected with the filter sleeve (15), the bottom end of the connecting rod (18) is fixedly connected with the scraping plate (12), and the scraping plate (12) is slidably connected with the filter plate (21).

2. A sewage pump according to claim 1, wherein The inner wall bottom of the barrier sleeve (4) is fixedly connected with the annular baffle (13), and the annular baffle (13) and the inner wall of the barrier sleeve (4) are provided with the sundry collecting groove (17).

3. A sewage pump according to claim 1, wherein The top front end of the blowdown pump body (1) is fixedly connected with the wire (2), and the top end of the blowdown pump body (1) is fixedly connected with the chain (11).

4. A sewage pump according to claim 3, wherein The bottom end of the blowdown pump body (1) is fixedly connected with the blowdown sleeve (3), and the bottom end of the blowdown sleeve (3) is fixedly connected with the barrier sleeve (4).

5. A sewage pump according to claim 4, wherein The inner wall top of the barrier sleeve (4) is fixedly connected with the filter sleeve (15), and the bottom end of the filter sleeve (15) is provided with the filter plate (21).

6. A sewage pump according to claim 4, wherein The left side of the blowdown sleeve (3) is fixedly connected with the connecting plate (6), and the outer wall of the connecting plate (6) is slidably connected with the guide rod (9) on the front and back sides.

7. A sewage pump according to claim 6, wherein The top end of the guide rod (9) is fixedly connected with the fixing piece (10), and the bottom end of the connecting plate (6) is fixedly connected with the supporting plate (5) on the left and right sides.

8. A sewage pump according to claim 4, wherein The left side of the blowdown sleeve (3) is fixedly connected with the blow pipe (8), and the end of the blow pipe (8) away from the blowdown sleeve (3) is provided with the connecting flange (7).