Anti-blocking filter screen and floor drain

By designing a combined structure of annular body, connecting strips and guide plates in the floor drain filter, the problem of hair blockage is solved, and the smooth water outlet and convenient installation of the floor drain is achieved.

CN223088605UActive Publication Date: 2025-07-11YUHUAN KAIDA COPPER IND
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422346967.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-25
Publication Date
2025-07-11
Estimated Expiration
2034-09-25

AI Technical Summary

Technical Problem

The existing floor drain filter is easily blocked by hair, causing the floor drain to fail to get out of water smoothly.

Method used

An anti-blocking filter is designed, including an annular body, a connecting strip and a guide plate. A guide plate is provided in the water passage, and the guide plate is arranged in an inclined manner to guide the hair, and a water outlet groove and a water outlet passage are provided in the filter screen. Combined with the annular support body and the handle structure, the water outlet area is increased.

Benefits of technology

It effectively avoids hair blockage, ensures smooth passage of water, good water leakage effect, and facilitates the installation and removal of the filter.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223088605U_ABST
    Figure CN223088605U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of floor drains, in particular to an anti-blocking filter screen and a floor drain, which comprise an annular body, a body arranged in the middle of the annular body and a plurality of connecting strips for connecting the annular body and the body, a water passing channel is formed between two adjacent connecting strips, a guide plate is arranged in the water passing channel, one side of the guide plate is connected onto the connecting strips, and the other side of the guide plate is connected onto the body. A water passing gap is reserved between the other side of the guide plate and the connecting strip, the guide plate gradually inclines downwards from the connecting side to one side of the water passing gap, the upper surface of the body is not higher than the upper surface of the connecting strip, the upper surface of the body is concaved downwards to form a water outlet groove, and a water outlet channel communicated with the water outlet groove and the outside is formed in the body. The filter screen is not easy to block, so that the floor drain can discharge water smoothly.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field:

[0001] The utility model belongs to the technical field of floor drains, and particularly relates to an anti-blocking filter screen and a floor drain. Background Art:

[0002] The Chinese utility model patent (publication number CN101775833A, application date Mar. 8, 2010, publication date Jul. 14, 2010) discloses a concealed floor drain, which includes a box-shaped floor drain base. The bottom surface of the base has a water outlet, and several positioning ribs protrude from the inner wall of the base. A floor drain cover is installed on the positioning ribs. An inlet water trough is formed between the side wall and the bottom surface of the floor drain cover and the corresponding inner wall of the base. And several filter columns protrude upward from the edge of the water outlet on the bottom surface of the base. It also includes a detachable filter screen installed at the water outlet. The water outlet is in the shape of a truncated cone, and the periphery corresponding to the filter screen is in the shape of a truncated cone, and a lifting column is provided at the edge of its upper surface. Referring to the attached Figure 1 、 2 It can be seen that a plurality of water passing holes are provided on the filter screen.

[0003] The disadvantage of the above filter screen is that during use, hair mixed in the water easily enters the water passing holes of the filter screen and blocks the water passing holes, thereby causing the floor drain to be blocked and unable to drain water. Summary of the Invention:

[0004] The purpose of the utility model is to provide an anti-blocking filter screen and a floor drain, the filter screen of which is not easily blocked, so that the floor drain can drain water smoothly.

[0005] The utility model is realized as follows:

[0006] One of the purposes of the utility model is to provide an anti-blocking filter screen, which includes an annular body, a body arranged in the middle of the annular body, and a plurality of connecting strips connecting the annular body and the body. A water passing channel is formed between adjacent two connecting strips. A guide plate is arranged in the water passing channel. One side of the guide plate is connected to the connecting strip, and a water passing gap is left between the other side of the guide plate and the connecting strip. The guide plate gradually slopes downward from the connecting side to the side of the water passing gap. The upper surface of the body is not higher than the upper surface of the connecting strip. A water outlet groove is formed by concave downward on the upper surface of the body. A water outlet channel communicating the water outlet groove and the outside is provided on the body.

[0007] In the above anti-blocking filter screen, the guide plate gradually slopes downward from one side of the body to one side of the annular body.

[0008] In the above anti-blocking filter screen, a fillet transition is provided between the outer end surface of the guide plate and the side surface close to the water passing gap.

[0009] In the above-mentioned anti-blocking filter net, the lowest point of the guiding plate is lower than the lower surface of the annular body, an annular support body is arranged below the annular body, and the lowest point of the guiding plate is higher than the lowest point of the annular support body.

[0010] In the above-mentioned anti-blocking filter net, the lower end surface of the annular support body is arc-shaped.

[0011] In the above-mentioned anti-blocking filter net, the body is cylindrical, the water outlet channels are distributed in an L shape on the side wall and the bottom surface of the body, and a plurality of them are evenly distributed in a circumferential direction.

[0012] In the above-mentioned anti-blocking filter net, a handle is arranged in the water outlet groove. The handle includes a hand-held part and a connecting part. The upper end of the connecting part is connected to the hand-held part, and the lower end is connected to the body. A water outlet hole located below the hand-held part is arranged at the bottom of the body.

[0013] In the above-mentioned anti-blocking filter net, the handle does not protrude above the upper surface of the annular body.

[0014] In the above-mentioned anti-blocking filter net, a frustum is arranged in the middle of the body. The diameter of the frustum gradually decreases from bottom to top. There are two connecting parts. The lower ends of the two connecting parts are both connected to the frustum, and the upper ends of the two connecting parts are respectively connected to both ends of the hand-held part. The water outlet hole is arranged in the middle of the frustum.

[0015] In the above-mentioned anti-blocking filter net, the handle, the frustum and the body are of an integral structure.

[0016] In the above-mentioned anti-blocking filter net, the annular body, the body, the connecting strip and the guiding plate are of an integral structure. The upper surfaces of the annular body, the body and the connecting strip are flush. The lower surface of the body is lower than the lower surface of the annular body. The depth of the water outlet groove is 10 mm - 20 mm.

[0017] Another object of the present utility model is to provide a floor drain, which includes a base. A mounting groove is formed by the downward depression of the upper surface of the base. A sunken step hole is arranged in the middle of the mounting groove. A floor drain cover is arranged in the mounting groove. A water interspace groove is formed between the outer side wall and the bottom surface of the floor drain cover and the corresponding wall surfaces of the mounting groove. The anti-blocking filter net is arranged in the step hole. The step hole includes a large hole and a small hole located below the large hole. The annular body, the connecting strip and the guiding plate of the anti-blocking filter net are arranged in the large hole, and the body of the anti-blocking filter net is arranged in the small hole.

[0018] In the above-mentioned anti-blocking filter net, the large hole is a blind hole, the small hole is a through hole, and the annular support body is arranged on the bottom surface of the large hole.

[0019] In the above-mentioned floor drain, a support block for supporting the floor drain cover is provided in the installation groove. The support block is L-shaped, and the floor drain cover is arranged on the horizontal side of the support block and abuts against the vertical side of the support block for limiting.

[0020] In the above-mentioned floor drain, the stepped hole further includes an intermediate hole located between the large hole and the small hole.

[0021] The prominent advantages of the present utility model compared with the prior art are as follows:

[0022] 1. The present utility model is provided with a water passing channel located on the outer circle and a water outlet groove located on the inner circle, and a guide plate is arranged on the water passing channel so that the hair mixed in the water accumulates on the guide plate and the water passing gap, so that the water can smoothly flow out through the water outlet groove and the water outlet channel. The filter net of the present utility model is not easily blocked, so that the floor drain can smoothly discharge water;

[0023] 2. The guide plate of the present utility model gradually slopes downward from one side of the body to one side of the annular body, better guiding the hair to the water passing gap, so that the hair accumulates on the guide plate and the water passing gap;

[0024] 3. The body of the present utility model is cylindrical, the water outlet channels are distributed in an L shape on the side wall and the bottom surface of the body, and a plurality of them are evenly distributed in a circumferential manner, and the water outlet effect of the filter net is good;

[0025] 4. A handle is provided in the water outlet groove of the present utility model, which is convenient for taking out and putting in the filter net, and does not affect the installation of the filter net at the same time; a water outlet hole is provided at the bottom of the body below the handle part, the water outlet area of the body is large, and the water outlet effect of the filter net is good. Brief Description of the Drawings:

[0026] Figure 1 is the three-dimensional Figure 1 ;

[0027] Figure 2 is the three-dimensional Figure 2 ;

[0028] Figure 3 is the three-dimensional view of the floor drain of the present utility model;

[0029] Figure 4 is the cross-sectional view of the floor drain of the present utility model.

[0030] Reference Numerals: 1, annular body; 2, body; 3, connecting strip; 4, water passage; 5, guide plate; 6, water passage gap; 7, water outlet groove; 8, water outlet passage; 9, annular support body; 10, handle; 10a, hand-held part; 10b, connecting part; 11, water outlet hole; 12, frustum; 13, base; 14, installation groove; 15, stepped hole; 15a, large hole; 15b, small hole; 15c, middle hole; 16, floor drain cover; 17, water space groove; 18, support block. Detailed Embodiment:

[0031] The following further describes the present utility model with specific embodiments. Refer to Figure 1 —4:

[0032] One object of the present utility model is to provide an anti-clogging filter screen, which includes an annular body 1, a body 2 provided in the middle of the annular body 1, and a plurality of connecting strips 3 connecting the annular body 1 and the body 2. A water passage 4 is formed between adjacent two connecting strips 3. A guide plate 5 is provided in the water passage 4. One side of the guide plate 5 is connected to the connecting strip 3, and a water passage gap 6 is left between the other side of the guide plate 5 and the connecting strip 3. The guide plate 5 gradually slopes downward from the connecting side to the side of the water passage gap 6. The upper surface of the body 2 is not higher than the upper surface of the connecting strip 3. A water outlet groove 7 is formed by concave downward on the upper surface of the body 2. A water outlet passage 8 communicating the water outlet groove 7 and the outside is provided on the body 2.

[0033] The working principle of the present utility model: As shown in Figure 1 、 2 When water flows to the filter screen, it first flows to the water passage 4 located on the outer ring, is guided by the guide plate 5 to the water passage gap 6, and the hair mixed in the water will accumulate on the guide plate 5 and the water passage gap 6. Part of the water flows out through the water passage gap 6, and the other part of the water flows into the water outlet groove 7 and then flows out through the water outlet passage 8.

[0034] The present utility model provides a water passage 4 located on the outer ring and a water outlet groove 7 located on the inner ring, and a guide plate 5 is provided on the water passage 4 so that the hair mixed in the water accumulates on the guide plate 5 and the water passage gap 6, so that water can flow out smoothly through the water outlet groove 7 and the water outlet passage 8. The filter screen of the present utility model is not easily clogged, so that the floor drain can drain water smoothly.

[0035] In order to better guide the hair to the water passage gap 6, so as to accumulate the hair on the guide plate 5 and the water passage gap 6, the guide plate 5 gradually slopes downward from one side of the body 2 to one side of the annular body 1.

[0036] In order to have a larger area of the water passage gap 6, a fillet transition is provided between the outer end surface of the guide plate 5 and the side surface close to the water passage gap 6.

[0037] To facilitate the water discharge from the water passing gap 6, the lowest point of the guiding plate 5 is lower than the lower surface of the annular body 1. An annular support body 9 is provided below the annular body 1, and the lowest point of the guiding plate 5 is higher than the lowest point of the annular support body 9.

[0038] Furthermore, the lower end surface of the annular support body 9 is arc-shaped.

[0039] To facilitate the water discharge from the water outlet channel 8 and achieve good water discharge effect of the filter net, as Figure 1 、 2 shown, the main body 2 is cylindrical, and the water outlet channels 8 are distributed in an L-shape on the side wall and bottom surface of the main body 2 and are evenly distributed in a circumferential direction with multiple ones.

[0040] To facilitate the removal and insertion of the filter net and at the same time not affect the installation of the filter net, a handle 10 is provided in the water outlet groove 7. The handle 10 includes a hand-held part 10a and a connecting part 10b. The upper end of the connecting part 10b is connected to the hand-held part 10a, and the lower end is connected to the main body 2. A water outlet hole 11 is provided at the bottom of the main body 2 below the hand-held part 10a to further increase the water outlet area of the main body 2.

[0041] Furthermore, the handle 10 does not protrude above the upper surface of the annular body 1.

[0042] To improve the connection strength of the handle 10, a frustum 12 is provided in the middle of the main body 2. The diameter of the frustum 12 gradually decreases from bottom to top. Two connecting parts 10b are provided. The lower ends of the two connecting parts 10b are both connected to the frustum 12, and the upper ends of the two connecting parts 10b are respectively connected to both ends of the hand-held part 10a. The water outlet hole 11 is provided in the middle of the frustum 12.

[0043] Preferably, the handle 10, the frustum 12 and the main body 2 are of an integral structure.

[0044] Furthermore, the annular body 1, the main body 2, the connecting strip 3 and the guiding plate 5 are of an integral structure. The upper surfaces of the annular body 1, the main body 2 and the connecting strip 3 are flush. The lower surface of the main body 2 is lower than the lower surface of the annular body 1. The depth of the water outlet groove 7 is 10 mm - 20 mm. In this embodiment, the depth of the water outlet groove 7 is 16 mm, which is convenient for the filter net to discharge water.

[0045] Another object of the present utility model is to provide a floor drain, which includes a base 13. A concave installation groove 14 is formed on the upper surface of the base 13. A sunken step hole 15 is provided in the middle of the installation groove 14. A floor drain cover 16 is provided in the installation groove 14. A water interception groove 17 is formed between the outer side wall and the bottom surface of the floor drain cover 16 and the corresponding wall surfaces of the installation groove 14. The anti-blocking filter screen is provided in the step hole 15. The step hole 15 includes a large hole 15a and a small hole 15b located below the large hole 15a. The annular body 1, the connecting strip 3 and the guide plate 5 of the anti-blocking filter screen are arranged in the large hole 15a, and the body 2 of the anti-blocking filter screen is arranged in the small hole 15b, as Figure 3 , 4 shown.

[0046] The working principle of the floor drain of the present utility model: Water flows into the step hole 15 through the water interception groove 17. A part of the water flows out through the water gap 6 and the small hole 15b, and another part of the water flows out through the water outlet groove 7, the water outlet channel 8 and the water outlet hole 11.

[0047] Furthermore, the large hole 15a is a blind hole, the small hole 15b is a through hole, and the annular support 9 is arranged on the bottom surface of the large hole 15a.

[0048] The installation structure of the floor drain cover 16: A support block 18 for supporting the floor drain cover 16 is provided in the installation groove 14. The support block 18 is L-shaped. The floor drain cover 16 is arranged on the horizontal side of the support block 18 and abuts against the vertical side of the support block 18 for limiting.

[0049] For better water outlet effect of the floor drain, the step hole 15 further includes an intermediate hole 15c located between the large hole 15a and the small hole 15b.

[0050] The above embodiments are only one of the preferred embodiments of the present utility model, and do not limit the implementation scope of the present utility model. Therefore, all equivalent changes made according to the shape, structure and principle of the present utility model should be covered within the protection scope of the present utility model.

Claims

1. An anti-blocking filter screen, characterized in that: It includes an annular body (1), a body (2) disposed in the middle of the annular body (1), and a plurality of connecting bars (3) connecting the annular body (1) and the body (2). A water passage (4) is formed between adjacent two connecting bars (3). A guiding plate (5) is provided in the water passage (4). One side of the guiding plate (5) is connected to the connecting bar (3), and a water passing gap (6) is left between the other side of the guiding plate (5) and the connecting bar (3). The guiding plate (5) gradually slopes downward from the connecting side to the side of the water passing gap (6). The upper surface of the body (2) is not higher than the upper surface of the connecting bar (3). A water outlet groove (7) is formed by concave-down of the upper surface of the body (2). A water outlet passage (8) communicating the water outlet groove (7) and the outside is provided on the body (2).

2. The anti-clogging filter screen according to claim 1, characterized in that: The guiding plate (5) gradually slopes downward from one side of the body (2) to one side of the annular body (1).

3. The anti-clogging filter screen according to claim 1, characterized in that: The lowest point of the guiding plate (5) is lower than the lower surface of the annular body (1). An annular support body (9) is provided below the annular body (1). The lowest point of the guiding plate (5) is higher than the lowest point of the annular support body (9).

4. The anti-blocking filter screen according to claim 1, characterized in that: The body (2) is cylindrical. The water outlet passages (8) are distributed in an L shape on the side wall and the bottom surface of the body (2) and are circumferentially and evenly distributed in multiple numbers.

5. The anti-clogging filter screen according to claim 1, characterized in that: A handle (10) is provided in the water outlet groove (7). The handle (10) includes a hand-held part (10a) and a connecting part (10b). The upper end of the connecting part (10b) is connected to the hand-held part (10a), and the lower end is connected to the body (2). A water outlet hole (11) located below the hand-held part (10a) is provided at the bottom of the body (2).

6. The anti-clogging filter screen according to claim 5, characterized in that: A frustum (12) is provided in the middle of the body (2). The diameter of the frustum (12) gradually decreases from bottom to top. There are two connecting parts (10b). The lower ends of the two connecting parts (10b) are both connected to the frustum (12). The upper ends of the two connecting parts (10b) are respectively connected to both ends of the hand-held part (10a). The water outlet hole (11) is provided in the middle of the frustum (12).

7. The anti-clogging filter screen according to claim 1, characterized in that: The annular body (1), the body (2), the connecting bar (3) and the guiding plate (5) are of an integral structure. The upper surfaces of the annular body (1), the body (2) and the connecting bar (3) are flush. The lower surface of the body (2) is lower than the lower surface of the annular body (1). The depth of the water outlet groove (7) is 10 mm - 20 mm.

8. A floor drain comprising the anti-clogging filter screen according to any one of claims 1-7, characterized in that: It includes a base (13). The upper surface of the base (13) is concave-down to form a mounting groove (14). A sunken step hole (15) is provided in the middle of the mounting groove (14). A floor drain cover (16) is provided in the mounting groove (14). A water inter-groove (17) is formed between the outer side wall and the bottom surface of the floor drain cover (16) and the corresponding wall surfaces of the mounting groove (14). The anti-blocking filter screen is provided in the step hole (15). The step hole (15) includes a large hole (15a) and a small hole (15b) located below the large hole (15a). The annular body (1), the connecting bar (3) and the guiding plate (5) of the anti-blocking filter screen are arranged in the large hole (15a), and the body (2) of the anti-blocking filter screen is arranged in the small hole (15b).

9. The floor drain according to claim 8, characterized in that: A support block (18) for supporting the floor drain cover (16) is arranged in the installation groove (14). The support block (18) is L-shaped. The floor drain cover (16) is arranged on the transverse side of the support block (18) and abuts against and is limited by the vertical side of the support block (18).

10. A floor drain according to claim 8, characterized in that: The stepped hole (15) further includes an intermediate hole (15c) located between the large hole (15a) and the small hole (15b).

Citation Information

Patent Citations

  • Invisible floor drain

    CN101775833A