Filtering auxiliary device for circulating pump

By designing a filter auxiliary device in the circulating pump, and utilizing the filter screen plate and limiting block structure, the problem of impurity retention inside the circulating pump is solved, the service life of the pump is extended, and the maintenance process is simplified.

CN223781649UActive Publication Date: 2026-01-09JIANGSU QILI PUMPING TECH CO LTD
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Patent Information

Application Number
CN202520594865.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-01-09
Estimated Expiration
2035-04-01

AI Technical Summary

Technical Problem

The existing circulating pumps do not have an auxiliary device for filtering impurities, resulting in impurities inside the pump. After long-term use, this can easily lead to damage to the internal components and affect the service life of the circulating pump.

Method used

Design a filtration auxiliary device for a circulating pump, including a drive assembly, a pump body, filter screens, and a protective cover. The liquid is filtered through multiple sets of inclined filter screens on the frame. The structural design of the slider and limit block facilitates installation and maintenance.

Benefits of technology

It enables real-time filtration of the liquid inside the circulating pump, reducing impurity retention, extending pump life, and features a compact structure that is easy to maintain.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an auxiliary filtering device for a circulating pump, relates to the technical field of auxiliary filtering devices for circulating pumps, and aims to solve the problems that an existing circulating pump is not provided with an auxiliary impurity filtering device, so that impurities are contained in the circulating pump, an assembly structure in the pump is easily damaged after the circulating pump is used for a long time, and the service life of the circulating pump is influenced. Comprising a driving assembly, a pump body is installed below the driving assembly through a flange plate matched with a fastener, a water inlet is formed in the left end of the pump body, a water outlet is formed in the right end of the pump body, an opening is formed in the bottom of the pump body, a protection cover is detachably connected to the opening position, and a frame is movably connected to the opening position; a plurality of groups of filter sieve plates are uniformly distributed on the frame, and the protective cover is detachably connected with the pump body through bolts.
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Description

Technical Field

[0001] This utility model relates to the technical field of filter auxiliary devices for circulating pumps, and in particular to a filter auxiliary device for circulating pumps. Background Technology

[0002] Circulating pumps, as the output power source, are widely used in various circulating systems, such as water treatment systems, industrial desulfurization systems, air conditioning systems, and heating and cooling systems. In these systems, the circulating pump is responsible for drawing liquid from one container and returning it to a designated location, thereby achieving liquid circulation. However, during liquid circulation, solid particles, impurities, and other contaminants are often carried along. If these substances are not removed in time, they may damage the circulating pump and the entire system, reducing system efficiency and stability.

[0003] The lack of an auxiliary impurity filtration device in existing circulating pumps leads to the presence of impurities inside the pump. This can easily cause damage to the internal components and affect the service life of the pump after prolonged use. Therefore, it is particularly important to design an auxiliary filtration device for circulating pumps to solve the above-mentioned technical problems. Utility Model Content

[0004] The purpose of this invention is to solve the problem that existing circulating pumps do not have an impurity filtration auxiliary device, which leads to impurities inside the circulating pump. After long-term use, this can easily cause damage to the internal components of the pump and affect the service life of the circulating pump. Therefore, this invention proposes a filtration auxiliary device for circulating pumps.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a filter auxiliary device for a circulating pump, comprising a drive assembly, a pump body mounted below the drive assembly via a flange and fasteners, an inlet mounted on the left end of the pump body, an outlet mounted on the right end of the pump body, an opening at the bottom of the pump body, a protective cover detachably connected to the opening, a frame movably connected to the opening, multiple sets of filter screens evenly distributed on the frame, and the protective cover detachably connected to the pump body via bolts.

[0006] Preferably, the multiple sets of filter screens are arranged at an angle on the frame, and the multiple sets of filter screens are located between the water inlet and the water outlet.

[0007] Preferably, the opening is symmetrically distributed with grooves, and the two sides of the frame are fixedly connected with sliders, which are slidably disposed in the grooves.

[0008] Preferably, the frame is provided with a receiving groove, and a handle is fixedly connected to the receiving groove.

[0009] Preferably, a limiting block is fixedly connected to the inner wall of the protective cover, the limiting block and the frame abut against each other, and a sealing ring is fixedly connected to the outer side of the limiting block on the inner wall of the protective cover.

[0010] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0011] 1. In this utility model, during use, the liquid in the circulating pump can pass through multiple sets of filter screens on the frame to filter impurities in the liquid, avoiding the impact of impurities remaining in the pump body on the service life of the pump components. The frame can be detached and installed in the pump body, which is convenient for later installation and maintenance by staff. Compared with conventional circulating pumps without filter auxiliary devices, the technical solution adopted by this utility model can realize real-time filtration and screening of the liquid inside the circulating pump, reduce the retention of impurities in the liquid in the pump body, extend the service life of the circulating pump, and has a compact overall structure and reasonable spatial layout, making it easy for staff to install and maintain. It solves the problem that existing circulating pumps do not have impurity filter auxiliary devices, resulting in impurities inside the circulating pump, which can easily lead to damage to the internal component structure of the pump after long-term use and affect the service life of the circulating pump.

[0012] 2. In this utility model, during use, the handle is provided in the receiving groove to facilitate the operation of the overall frame structure by the staff. The structure design of the limiting block enables the frame to be relatively stably limited in the pump body. The structure design of the sealing ring ensures the relative sealing at the contact position between the protective cover and the pump body. Attached Figure Description

[0013] Figure 1 This is an overall diagram of the filter auxiliary device for a circulating pump according to this utility model;

[0014] Figure 2 This is a bottom view of a portion of the frame and pump body in the filter auxiliary device for a circulating pump according to this utility model;

[0015] Figure 3 This is a top view of a partial structure of the protective cover in the filter auxiliary device for a circulating pump according to this utility model.

[0016] Legend: 1. Drive assembly; 101. Flange; 102. Fastener; 103. Pump body; 2. Inlet; 201. Outlet; 3. Opening; 301. Slide groove; 302. Slider; 4. Protective cover; 401. Bolt; 5. Frame; 501. Filter screen plate; 6. Receiving groove; 601. Handle; 7. Limiting block; 701. Sealing ring. Detailed Implementation

[0017] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0018] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0019] This utility model provides a filtration auxiliary device for a circulating pump, including a drive assembly 1. A pump body 103 is mounted below the drive assembly 1 via a flange 101 and fasteners 102. An inlet 2 is mounted on the left end of the pump body 103, and an outlet 201 is mounted on the right end. The pump body 103 has a bottom opening 3, and a protective cover 4 is detachably connected to the opening 3. A frame 5 is movably connected to the opening 3, and multiple sets of filter screens 501 are evenly distributed on the frame 5. The protective cover 4 is detachably connected to the pump body 103 via bolts 401. The multiple sets of filter screens 501 are inclinedly arranged on the frame 5, located between the inlet 2 and the outlet 201. Sliding grooves 301 are symmetrically distributed on the opening 3. Sliding blocks 302 are fixedly connected to both sides of the frame 5 and are slidably disposed in the sliding grooves 301.

[0020] In actual use, before the circulating pump starts working, the filter auxiliary device for the circulating pump is removed by loosening bolts 401. Then, the operator holds the frame 5 and installs it into the pump body 103. The sliders 302 on both sides of the frame 5 are installed into the pump body 103 with the cooperation of the sliding grooves 301. Then, the protective cover 4 is manually installed. The limiting block 7 in the protective cover 4 abuts against the frame 5, completing the installation and limiting work of the filter screen plate 501 on the frame 5 in the pump body 103. The bottom of the frame 5 is provided with a receiving groove 6, and a handle 601 is provided in the receiving groove 6 to facilitate the operator's operation of the entire frame 5. The structure allows the liquid in the circulating pump to pass through multiple sets of filter screens 501 on the frame 5 to filter impurities in the liquid, preventing impurities from remaining in the pump body 103 and affecting the service life of the pump body 103 components. The frame 5 is detachable and installed in the pump body 103, which is convenient for later installation and maintenance by staff. Compared with conventional circulating pumps without filter auxiliary devices, the technical solution adopted by this utility model can realize real-time filtration and screening of the liquid inside the circulating pump, reduce the retention of impurities in the liquid in the pump body 103, extend the service life of the circulating pump, and has a compact overall structure, reasonable spatial layout, and is easy for staff to install and maintain.

[0021] Example 1

[0022] like Figure 1-3 As shown, the frame 5 is provided with a receiving groove 6, and a handle 601 is fixedly connected to the receiving groove 6. A limiting block 7 is fixedly connected to the inner wall of the protective cover 4, and the limiting block 7 and the frame 5 abut against each other. A sealing ring 701 is fixedly connected to the outer side of the limiting block 7 on the inner wall of the protective cover 4.

[0023] The overall effect of embodiment 1 is that, during use, by providing a handle 601 in the receiving groove 6, it is convenient for the staff to operate the overall structure of the frame 5. Through the structural design of the limiting block 7, the frame 5 can be relatively stably limited in the pump body 103. The structural design of the sealing ring 701 ensures the relative sealing at the contact position between the protective cover 4 and the pump body 103.

[0024] Working principle: Before the circulating pump starts working, loosen the bolts to remove the protective cover. Then, the operator holds the frame and installs it into the pump body. The sliders on both sides of the frame are installed into the pump body with the cooperation of the sliding groove. Then, the protective cover structure is manually installed. The limiting block in the protective cover abuts against the frame, completing the installation and limiting work of the filter screen plate on the frame in the pump body. The bottom of the frame is provided with a receiving groove structure, and a handle is provided in the receiving groove to facilitate the operator's operation of the overall structure of the frame.

Claims

1. A filter auxiliary device for a circulating pump, comprising a drive assembly (1), wherein a pump body (103) is mounted below the drive assembly (1) via a flange (101) and fasteners (102), characterized in that, The pump body (103) has an inlet (2) installed at the left end and an outlet (201) installed at the right end. The pump body (103) has an opening (3) at the bottom. A protective cover (4) is detachably connected to the opening (3). A frame (5) is movably connected to the opening (3). Multiple sets of filter screens (501) are evenly distributed on the frame (5). The protective cover (4) and the pump body (103) are detachably connected by bolts (401).

2. The filter auxiliary device for a circulating pump according to claim 1, characterized in that, Multiple sets of filter screens (501) are inclinedly arranged on the frame (5), and multiple sets of filter screens (501) are located between the water inlet (2) and the water outlet (201).

3. The filter auxiliary device for a circulating pump according to claim 1, characterized in that, The opening (3) has symmetrically distributed grooves (301), and the two sides of the frame (5) are fixedly connected with sliders (302), which are slidably disposed in the grooves (301).

4. The filter auxiliary device for a circulating pump according to claim 1, characterized in that, The frame (5) is provided with a receiving groove (6), and a handle (601) is fixedly connected in the receiving groove (6).

5. The filter auxiliary device for a circulating pump according to claim 1, characterized in that, A limiting block (7) is fixedly connected to the inner wall of the protective cover (4). The limiting block (7) and the frame (5) abut against each other. A sealing ring (701) is fixedly connected to the outer side of the limiting block (7) on the inner wall of the protective cover (4).