A swimming pool filter system cartridge protection housing with a flush channel

By designing a W-shaped filter element and tilting nozzle in the protective shell of the pool filtration system, combined with a lifting drive mechanism and scraper structure, the problem of incomplete filter element cleaning in the existing technology is solved, achieving efficient filter element cleaning and nozzle positioning, and improving the cleaning effect of the pool filtration system.

CN224370892UActive Publication Date: 2026-06-19GLONG ELECTRIC (NINGDE) CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GLONG ELECTRIC (NINGDE) CO LTD
Filing Date
2025-07-17
Publication Date
2026-06-19

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Abstract

The utility model relates to swimming pool filtration equipment technical field, concretely is a kind of swimming pool filtration system filter core protective shell shell with washing channel, including filter core protective shell main part and filter core, the filter core is W type folding arrangement, the circular cavity is set in filter core protective shell main part, and filter core protective shell main part lower end two sides are equipped with swimming pool water inlet and filter core washing sewage discharge port respectively, the filter core protective shell main part upper end is also equipped with swimming pool water outlet, and swimming pool water outlet and filter core position correspond, the filter core protective shell main part is clamped with washing channel, and washing channel is set in the outside of filter core. The filter core protective shell shell with washing channel is set in the outer ring of filter core by the washing channel of lifting, and the washing nozzle of accurate positioning is set in the inner ring of washing channel, can efficiently carry out the washing cleaning processing of filter core, can effectively prevent washing nozzle blockage simultaneously, improve the cleaning efficiency of swimming pool filtration system.
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Description

Technical Field

[0001] This utility model relates to the technical field of swimming pool filtration equipment, specifically a protective shell for the filter element of a swimming pool filtration system with a rinsing channel. Background Technology

[0002] In swimming pool filtration systems, filter cartridges are the core component, used to intercept and remove pollutants such as suspended solids, algae, bacteria, and fine particulate matter from the water to maintain clear and transparent water that meets hygiene standards. After prolonged use, filter cartridges are prone to clogging due to impurities, affecting filtration efficiency and requiring frequent cleaning and replacement. Some filter cartridges can be rinsed without removal to remove accumulated impurities and dirt from the surface, thus maintaining the filter cartridge's optimal working condition.

[0003] Existing rinsing channels for filter cartridges are typically located on the filter cartridge housing and equipped with multiple nozzles facing the filter cartridge. These nozzles are evenly distributed around the filter cartridge to ensure full coverage of the filter cartridge surface and achieve the best cleaning effect. However, rinsing alone cannot efficiently remove impurities. At the same time, the nozzles cannot be precisely positioned relative to the filter cartridge, resulting in rinsing dead zones and affecting the rinsing effect. Utility Model Content

[0004] The purpose of this utility model is to provide a protective shell for the filter element of a swimming pool filtration system with a rinsing channel, so as to solve the problems mentioned in the background art. Currently, the protective shells for the filter element of swimming pool filtration systems with rinsing channels on the market only clean the filter element by rinsing, which cannot efficiently remove impurities. At the same time, the nozzle cannot be accurately positioned relative to the filter element, resulting in rinsing dead corners and affecting the rinsing effect.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a protective shell for a pool filtration system filter element with a rinsing channel, comprising a protective shell body and a filter element. The filter element is W-shaped folded. A circular cavity is provided inside the protective shell body. A pool water inlet and a filter element rinsing wastewater outlet are respectively provided on both sides of the lower end of the protective shell body. A pool water outlet is also provided at the upper end of the protective shell body, and the pool water outlet corresponds to the position of the filter element. A rinsing channel is fitted inside the protective shell body and is sleeved on the outside of the filter element. A first rinsing nozzle and a second rinsing nozzle are evenly spaced inside the rinsing channel, and the first rinsing nozzle and the second rinsing nozzle are inclined towards the filter element. A rigid water supply pipe is fixed at the upper end of the rinsing channel and is movably connected to the protective shell body. The upper end of the rigid water supply pipe is connected to a main water supply pipe, and a sealing ring is fitted on the rigid water supply pipe to seal with the protective shell body. A fixing plate is provided above the main water supply pipe, and a vertically arranged lifting drive mechanism is installed between the fixing plate and the protective shell body.

[0006] Preferably, the bottom of the filter element protective shell body is sealed with a filter element support seat, and the filter element support seat has a frustum structure on top, and the filter element support seat supports the bottom of the filter element.

[0007] Preferably, a viewing window is embedded and fixed on the side of the filter element protective shell body, and the inner side of the viewing window smoothly transitions with the inner wall of the filter element protective shell body.

[0008] Preferably, the bottom of the rinsing channel is fixed with an inner wall annular scraper and a toothed scraper, and the inner wall annular scraper and the toothed scraper are integrally formed.

[0009] Preferably, the inner wall annular scraper and the toothed scraper are made of rubber, and the inner wall annular scraper and the toothed scraper are in contact with the inner wall of the filter element protective shell body and the filter element, respectively.

[0010] Preferably, the first flushing nozzle is located on the outer ring of the filter element, and the second flushing nozzle is located in the W-shaped groove of the filter element. The length of the first flushing nozzle is less than the length of the second flushing nozzle, and the first flushing nozzle is located above the second flushing nozzle.

[0011] Compared with existing technologies, the beneficial effects of this utility model are as follows: This pool filtration system filter cartridge protective shell with a rinsing channel features a liftable rinsing channel on the outer ring of the filter cartridge and precisely positioned rinsing nozzles on the inner ring of the rinsing channel. This allows for efficient rinsing and cleaning of the filter cartridge while effectively preventing nozzle clogging and improving the cleaning efficiency of the pool filtration system. The rinsing nozzles are angled and designed with varying lengths to efficiently rinse the filter cartridge according to its shape. A toothed scraper is also provided at the bottom of the rinsing channel to assist in removing impurities from the filter cartridge surface. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the protective shell structure of the filter element of a swimming pool filtration system with a rinsing channel according to the present invention;

[0013] Figure 2 This utility model relates to a protective housing for the filter element of a swimming pool filtration system with a rinsing channel. Figure 1 Enlarged structural diagram at point A in the middle;

[0014] Figure 3 This is a schematic diagram showing the position of the second flushing nozzle relative to the filter element in a protective shell for a pool filtration system with a flushing channel, according to the present invention.

[0015] Figure 4 This is a schematic diagram showing the position of the first flushing nozzle relative to the filter element in a protective shell for a pool filtration system with a flushing channel, according to the present invention.

[0016] Figure 5 This is a schematic diagram showing the relative position of the toothed scraper to the filter element in a protective shell for a pool filtration system with a rinsing channel, according to this utility model.

[0017] Figure 6 This is a schematic diagram of the connection structure between the lifting drive mechanism and the fixed plate of the filter element protective shell of a swimming pool filtration system with a rinsing channel according to this utility model.

[0018] In the diagram: 1. Filter cartridge protective shell body; 101. Pool water inlet; 102. Pool water outlet; 103. Visual observation window; 104. Filter cartridge flushing wastewater outlet; 2. Flushing channel; 201. First flushing nozzle; 202. Second flushing nozzle; 3. Inner wall annular scraper; 4. Toothed scraper; 5. Main water supply pipe; 6. Rigid water supply pipe; 601. Sealing ring; 7. Filter cartridge; 8. Filter cartridge support base; 9. Fixing plate; 10. Lifting drive mechanism. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figure 1-6This utility model provides a technical solution: a protective shell for a pool filtration system filter element with a rinsing channel, comprising a filter element protective shell body 1 and a filter element 7. The filter element 7 is arranged in a W-shape fold. A viewing window 103 is embedded and fixed on the side of the filter element protective shell body 1, and the inner side of the viewing window 103 smoothly transitions with the inner wall of the filter element protective shell body 1. This structure allows observation of the rinsing channel 2 during rinsing of the filter element 7 through the viewing window 103, and determines whether to increase the number of rinsing cycles based on the cleanliness of the filter element 7, so that the filter element 7 reaches its optimal cleanliness. The filter element protective shell body 1 has a circular cavity inside, and pool water inlet 101 and filter element rinsing wastewater outlet 104 are respectively provided on both sides of the lower end of the filter element protective shell body 1. The upper end of the protective shell body 1 is also provided with a pool water outlet 102, and the pool water outlet 102 corresponds to the position of the filter element 7. A rinsing channel 2 is fitted inside the filter element protective shell body 1, and the rinsing channel 2 is sleeved on the outside of the filter element 7. A filter element support seat 8 is sealed and fitted at the bottom of the filter element protective shell body 1, and the filter element support seat 8 has a frustum structure on top and supports the bottom of the filter element 7. This structure, by designing the filter element support seat 8 as a frustum structure, allows the rinsing wastewater to be discharged from the filter element rinsing wastewater outlet 104. At the same time, the filter element support seat 8 provides stronger support for the filter element 7. The inner side of the rinsing channel 2 is evenly spaced with a first rinsing nozzle 201 and a second rinsing nozzle 202, and the first rinsing nozzle 201 and the second rinsing nozzle 202 are respectively inclined. Facing the filter element 7, the bottom of the rinsing channel 2 is fixed with an inner wall annular scraper 3 and a toothed scraper 4, which are integrally formed. This structure allows the toothed scraper 4 to correspond to the W-shaped structure of the filter element 7. The toothed structure of the toothed scraper 4 is respectively locked in the groove formed on the outside of the filter element 7, ensuring the stability of the filter element 7 structure and assisting in the positioning of the first rinsing nozzle 201 and the second rinsing nozzle 202 relative to the filter element 7. The inner wall annular scraper 3 and the toothed scraper 4 are made of rubber, and they respectively contact and cooperate with the inner wall of the filter element protective shell body 1 and the filter element 7. During the downward movement of the rinsing channel 2, this structure can scrape off some impurities on the filter element 7 through the toothed scraper 4, assisting in the rinsing of the filter element 7. The scraper 3 can clean the inner wall of the filter element protective shell body 1, removing impurities attached to the inner wall of the filter element protective shell body 1. A rigid water supply pipe 6 is fixed at the upper end of the rinsing channel 2, which is movably connected to the filter element protective shell body 1. The upper end of the rigid water supply pipe 6 is connected to the main water supply pipe 5. A sealing ring 601 is fitted on the rigid water supply pipe 6 to seal with the filter element protective shell body 1. A fixing plate 9 is provided above the main water supply pipe 5. A vertically arranged lifting drive mechanism 10 is installed between the fixing plate 9 and the filter element protective shell body 1. The lifting drive mechanism 10 adopts the existing electric push cylinder structure and is used to control the lifting and lowering of the rinsing channel 2. The first rinsing nozzle 201 is located on the outer ring of the filter element 7, and the second rinsing nozzle 202 is located in the W-shaped groove of the filter element 7.The length of the first flushing nozzle 201 is shorter than the length of the second flushing nozzle 202, and the first flushing nozzle 201 is located above the second flushing nozzle 202. This structure allows for efficient flushing of the protruding parts of the filter element 7 via the first flushing nozzle 201, while the second flushing nozzle 202 flushes the recessed parts of the filter element 7.

[0021] Working Principle: When using the filter cartridge protective shell of this pool filtration system with a rinsing channel, pool water first enters the filter cartridge protective shell body 1 through the pool water inlet 101, then passes through the filter cartridge 7 for impurity filtration, and finally exits through the pool water outlet 102. The rinsing channel 2 is located on the upper inner side of the filter cartridge protective shell body 1, and is sealed by the toothed scraper 4 to reduce impurity blockage of the first rinsing nozzle 201 and the second rinsing nozzle 202. The sealing ring 601 seals the rigid water supply pipe 6 relative to the filter cartridge protective shell body 1. After the pool water has been filtered by the filter cartridge 7, the valves of the pool water inlet 101 and the pool water outlet 102 are closed, and then the valve of the main water supply pipe 5 is opened to supply water to the rigid water supply pipe 6 through the main water supply pipe 5 to clean the water. The water flows into the rinsing channel 2 and, under the action of water pressure, is sprayed onto the filter element 7 through the first rinsing nozzle 201 and the second rinsing nozzle 202 respectively. At the same time, the lifting drive mechanism 10 is activated. Under the positioning of the filter element protective shell body 1, the lifting drive mechanism 10 drives the main water supply pipe 5 to move down through the fixing plate 9. The rigid water supply pipe 6 moves down under the limit of the filter element protective shell body 1. Meanwhile, the inner wall annular scraper 3 and toothed scraper 4 assist in scraping away impurities from the inner wall of the filter element protective shell body 1 and the surface of the filter element 7. The frustum structure of the filter element support seat 8 assists in the discharge of sewage from the filter element rinsing sewage outlet 104. The rinsing status is checked through the visual observation window 103 until the filter element 7 is clean. Finally, the rinsing channel 2 is reset, thus completing a series of operations.

[0022] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A protective shell for a pool filtration system filter element with a rinsing channel, comprising a filter element protective shell body (1) and a filter element (7), wherein the filter element (7) is arranged in a W-shape fold, characterized in that: The filter element protective shell body (1) has a circular cavity inside, and the lower end of the filter element protective shell body (1) is provided with a pool water inlet (101) and a filter element flushing wastewater outlet (104) on both sides. The upper end of the filter element protective shell body (1) is also provided with a pool water outlet (102), and the pool water outlet (102) corresponds to the position of the filter element (7). The filter element protective shell body (1) is fitted with a flushing channel (2), and the flushing channel (2) is sleeved on the outside of the filter element (7). The inner side of the flushing channel (2) is provided with a first flushing nozzle (201) and a second flushing nozzle (202) at even intervals. The first flushing nozzle (201) and the second flushing nozzle (202) are inclined toward the filter element (7) respectively. The upper end of the flushing channel (2) is fixed with a rigid water supply pipe (6) that is movably connected to the filter element protective shell body (1). The upper end of the rigid water supply pipe (6) is connected to the main water supply pipe (5). A sealing ring (601) that is sealed to the filter element protective shell body (1) is fitted on the rigid water supply pipe (6). A fixing plate (9) is provided above the main water supply pipe (5). A vertically arranged lifting drive mechanism (10) is installed between the fixing plate (9) and the filter element protective shell body (1).

2. The protective housing for a pool filtration system filter element with a rinsing channel according to claim 1, characterized in that: The bottom of the filter element protective shell body (1) is sealed with a filter element support seat (8), and the filter element support seat (8) has a frustum structure on top, and the filter element support seat (8) is supported on the bottom of the filter element (7).

3. The protective housing for a pool filtration system filter element with a rinsing channel according to claim 1, characterized in that: A viewing window (103) is embedded and fixed on the side of the filter element protective shell body (1), and the inner side of the viewing window (103) smoothly transitions with the inner wall of the filter element protective shell body (1).

4. The protective housing for a pool filtration system filter element with a rinsing channel according to claim 1, characterized in that: The bottom of the rinsing channel (2) is fixed with an inner wall annular scraper (3) and a toothed scraper (4), and the inner wall annular scraper (3) and the toothed scraper (4) are integrally formed.

5. A protective housing for a pool filtration system filter element with a rinsing channel according to claim 4, characterized in that: The inner wall annular scraper (3) and toothed scraper (4) are made of rubber, and the inner wall annular scraper (3) and toothed scraper (4) respectively contact and cooperate with the inner wall of the filter element protective shell body (1) and the filter element (7).

6. The protective housing for a pool filtration system filter element with a rinsing channel according to claim 1, characterized in that: The first flushing nozzle (201) is located on the outer ring of the filter element (7), and the second flushing nozzle (202) is located in the W-shaped groove of the filter element (7). The length of the first flushing nozzle (201) is less than the length of the second flushing nozzle (202), and the first flushing nozzle (201) is located above the second flushing nozzle (202).