Double-layer filtering permeable pipe

Abstract

A double-layer filtering water permeable pipe comprises a water permeable pipe body, the outer side of the water permeable pipe body is sequentially wrapped with a water filtering layer and a water permeable layer, the water permeable layer blocks large-particle silt, and the water filtering layer filters and blocks fine-particle silt. The water permeable pipe comprises a plurality of supporting rods evenly surrounding the water permeable pipe body at intervals and a plurality of filtering rings arranged on the supporting rods in a sleeving mode, the supporting rods are alternately sleeved with the filtering rings in a staggered mode, and the staggered position between every two adjacent filtering rings is matched with the corresponding supporting rod to form a water permeable opening for water flow to pass through. The opening of the water permeable port faces the axial direction instead of the radial direction, so that when silt covers the water permeable pipe, the gravity of the silt can directly act on the filtering ring instead of acting on the water permeable port to block the water permeable port, and the water permeable efficiency of the water permeable pipe is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of water-permeable pipes, in particular to a double-layer filtering water-permeable pipe. Background Art

[0002] A permeable pipe is a water-permeable pipe designed to allow water to flow through the pipe wall into the interior of the pipe while maintaining a certain structural strength to prevent soil intrusion. Among the existing permeable pipes, a FRp porous double-walled permeable pipe disclosed in Chinese utility model patent application number 2020218530751 includes an inner pipe and an outer pipe sleeved outside the inner pipe, forming a hollow cavity between the outer and inner pipes, and a plurality of first permeable holes are opened on the pipe wall of the outer pipe; a plurality of second permeable holes corresponding to the first permeable holes are opened on the inner pipe, and a guide pipe is provided between the second permeable holes and the first permeable holes; a first filter layer is provided at one end of the guide pipe connected to the first permeable holes, and a second filter layer is provided at the other end connected to the second permeable holes, and the filtration pore size of the second filter layer is larger than the filtration pore size of the first filter layer. This structure can quickly draw water on the surface into the pipe body for discharge, preventing flooding caused by poor urban drainage caused by surface rain, and improving safety of use.

[0003] However, in the above structure, the first water permeable hole and the second water permeable hole are radially connected by a guide tube. When this structure is buried in the soil, it will be pressed down by the gravity of the soil, causing the soil to seep into the guide tube and cause blockage. Even if the first water permeable hole is filled with a water-absorbing resin layer, after long-term use, the water-absorbing resin layer will be pushed toward the inside of the guide tube under the pressure of the soil, causing the soil to enter the guide tube and cause blockage, affecting the water permeability. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a double-layer filtering water-permeable pipe.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A double-layer filtering water-permeable pipe comprises a water-permeable pipe body, the outer side of which is sequentially wrapped with a water filter layer and a water-permeable layer, the water-permeable layer blocks large particles of sediment, and the water filter layer filters and blocks fine particles of sediment, the water-permeable pipe comprises a plurality of support rods evenly spaced around the water-permeable pipe body and a plurality of filter rings sleeved on the support rods, the plurality of support rods are parallel to the axial direction of the water-permeable pipe, the plurality of filter rings are sequentially arranged along the length direction of the support rods and are alternately staggered and interspersed on the support rods, the staggered position between two adjacent filter rings cooperates with the support rod to form a water-permeable port for water flow to pass through, and the opening of the water-permeable port faces the axial direction.

[0007] In the present invention, splicing plates are provided at both ends of the permeable pipe body, the inner diameter of the splicing plates is equal to the inner diameter of the permeable pipe body, and the outer diameter of the splicing plates is larger than the outer diameter of the permeable pipe body. The two ends of several support rods are respectively connected to the splicing plates at both ends near the edge position, and the gap between the inner side of the support rod and the permeable pipe body forms the water filtration layer.

[0008] Furthermore, the water filter layer is filled with filter cotton.

[0009] Furthermore, a rod is extended axially outward on the splicing plate at one end, and a slot is provided axially on the splicing plate at the other end. When multiple water-permeable pipes are spliced ​​in sequence, the rod on the upper water-permeable pipe is inserted into the slot of the lower water-permeable pipe.

[0010] Furthermore, at least one positioning block is provided on the outer side of the insertion rod, and at least one positioning groove is provided on the groove wall of the slot for the position of the positioning block. Before the insertion rod is inserted into the slot, the positioning block and the positioning groove are aligned.

[0011] In the utility model, three groups of positioning blocks and positioning grooves are provided on a water permeable pipe, and are respectively arranged at the upper part, left side and right side of the water permeable pipe.

[0012] In the present invention, the number of the support rods is an even number, and the size of the water permeable opening can be changed by arranging different numbers of support rods.

[0013] Furthermore, the number of water permeable openings can be changed by providing filter rings of different widths.

[0014] The utility model has the following advantages and beneficial effects:

[0015] By arranging support rods on the permeable layer and alternately staggering filter rings on the support rods, the staggered positions between two adjacent filter rings cooperate with the support rods to form a permeable opening for the water flow to pass through, so that the opening of the permeable opening is axially rather than radially. In this way, when mud and sand cover the permeable pipe, the gravity of the mud and sand will directly act on the filter rings instead of acting on the permeable opening to block the mud and sand, thereby ensuring the water permeability efficiency of the permeable pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention is further described below with reference to the accompanying drawings and embodiments:

[0017] Figure 1 Schematic diagram of the structure of one end of the water permeable pipe in this embodiment;

[0018] Figure 2 for Figure 1 Enlarged view of area A in the middle;

[0019] Figure 3 is an enlarged cross-sectional view of the water permeable pipe in this embodiment;

[0020] Figure 4 Schematic diagram of the structure of the other end of the water permeable pipe in this embodiment;

[0021] Figure 5 Schematic diagram of the installation of the support rod in this embodiment. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention, but the present invention is not limited to the following embodiments.

[0023] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial...), then the directional indications are only used to explain the relative position relationship, movement status, etc. between the various components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0024] In addition, if there are descriptions involving "first" or "second" in the embodiments of the present invention, the descriptions of "first" or "second" are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features specified as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that ordinary technicians in this field can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0025] like Figures 1 to 5As shown, this embodiment discloses a double-layer filtering water-permeable pipe, including a water-permeable pipe body 1, the outer side of the water-permeable pipe body 1 is wrapped with a water filter layer 2 and a water-permeable layer 3 in sequence, the water-permeable layer 3 blocks large particles of sediment, and the water filter layer 2 filters and blocks fine particles of sediment, the water-permeable pipe includes a number of support rods 31 evenly spaced around the water-permeable pipe body 1 and a number of filter rings 32 sleeved on the support rods 31. It should be noted that some of the support rods 31 are cylindrical structures and are parallel to the axial direction of the water-permeable pipe, and some of the filter rings are cylindrical structures and parallel to the axial direction of the water-permeable pipe. 32 are arranged in sequence along the length direction of the support rod 31 and are staggered and alternately interspersed on the support rod 31 to form a wavy filter ring 32. The staggered position between two adjacent filter rings 32 cooperates with the support rod 31 to form a water outlet 30 for the water flow to pass through. It can be determined that the opening of the water outlet 30 is axial rather than radial. In this way, when mud and sand cover the water pipe, the gravity of the mud and sand will directly act on the filter ring 32 instead of acting on the water outlet 30 to block the mud and sand, thereby ensuring the water permeability efficiency of the water pipe.

[0026] In this embodiment, splicing plates 11 are provided at both ends of the permeable pipe body 1. The inner diameter of the splicing plates 11 is equal to the inner diameter of the permeable pipe body 1, and the outer diameter of the splicing plates 11 is larger than the outer diameter of the permeable pipe body 1. The two ends of several support rods 31 are respectively connected to the splicing plates 11 at both ends near the edge position. The gap between the inner side of the support rods 31 and the permeable pipe body 1 forms the water filter layer 2, and the water filter layer 2 is filled with filter cotton 20.

[0027] Furthermore, in order to facilitate the splicing of water-permeable pipes, an insertion rod 111 extends axially outward on the splicing plate 11 at one end, and a slot 112 extends axially inward on the splicing plate 11 at the other end. When multiple water-permeable pipes are spliced ​​in sequence, the insertion rod 111 on the upper water-permeable pipe is inserted into the slot 112 of the next water-permeable pipe.

[0028] Furthermore, since a water filter is provided on the upper pipe wall of the permeable pipe body 1, correct alignment is required when splicing multiple permeable pipes. At least one positioning block 113 is provided on the outer side of the insertion rod 111, and at least one positioning groove 114 is provided on the groove wall of the slot 112 for the position of the positioning block 113. Before the insertion rod 111 is inserted into the slot 112, the positioning block 113 and the positioning groove 114 are aligned to ensure that the permeable pipe is correctly installed; preferably, in this embodiment, three groups of positioning blocks 113 and positioning grooves 114 are provided on a permeable pipe, and are respectively arranged at the upper, left and right positions of the permeable pipe.

[0029] In this embodiment, the number of the support rods 31 is an even number, and the specific number is reasonably set according to the diameter of the water-permeable pipe. By setting different numbers of support rods 31, the size of the water-permeable opening 30 can be changed, thereby being suitable for different soil environments; further, the width of the filter ring 32 is reasonably set according to the length of the water-permeable pipe. By setting filter rings 32 of different widths, the number of water-permeable openings 30 can be changed, thereby changing the water permeability efficiency.

[0030] The above contents described in this specification are merely examples of the present invention. Those skilled in the art in the technical field to which the present invention belongs may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the contents of the present invention specification or exceed the scope defined by the claims, they shall fall within the scope of protection of the present invention.

Claims

1. A double-layer filtering water-permeable pipe, comprising a water-permeable pipe body (1), characterized in that: The outer side of the permeable pipe body (1) is sequentially wrapped with a water filter layer (2) and a water permeable layer (3), the permeable layer (3) blocks large particles of sediment, and the water filter layer (2) filters and blocks fine particles of sediment, the permeable pipe body (1) comprises a plurality of support rods (31) uniformly spaced around the permeable pipe body (1) and a plurality of filter rings (32) sleeved on the support rods (31), the plurality of support rods (31) are parallel to the axial direction of the permeable pipe, the plurality of filter rings (32) are sequentially arranged along the length direction of the support rods (31) and are sequentially staggered and alternately interspersed on the support rods (31), the staggered position between two adjacent filter rings (32) cooperates with the support rod (31) to form a water permeable port (30) for the water supply flow to pass through, and the opening of the water permeable port (30) faces the axial direction.

2. A double-layer filtering water-permeable pipe according to claim 1, characterized in that: The two ends of the water permeable pipe body (1) are provided with splicing plates (11), the inner diameter of the splicing plates (11) is equal to the inner diameter of the water permeable pipe body (1), and the outer diameter of the splicing plates (11) is larger than the outer diameter of the water permeable pipe body (1). The two ends of a plurality of support rods (31) are respectively connected to the splicing plates (11) at both ends near the edge position, and the space between the inner side of the support rods (31) and the water permeable pipe body (1) forms the water filter layer (2).

3. The double-layer filtering water-permeable pipe according to claim 2, characterized in that: The water filter layer (2) is filled with filter cotton (20).

4. The double-layer filtering water-permeable pipe according to claim 2, characterized in that: An insertion rod (111) is extended axially outward on the splicing plate (11) at one end, and a slot (112) is provided axially on the splicing plate (11) at the other end. When multiple water-permeable pipes are spliced ​​in sequence, the insertion rod (111) on the upper water-permeable pipe is inserted into the slot (112) of the lower water-permeable pipe.

5. The double-layer filtering water-permeable pipe according to claim 4, characterized in that: At least one positioning block (113) is provided on the outer side of the insertion rod (111), and at least one positioning groove (114) is provided on the groove wall of the slot (112) corresponding to the position of the positioning block (113). Before the insertion rod (111) is inserted into the slot (112), the positioning block (113) and the positioning groove (114) are aligned.

6. The double-layer filtering water-permeable pipe according to claim 5, characterized in that: Three groups of positioning blocks (113) and positioning grooves (114) are provided on a water permeable pipe and are respectively arranged at the upper, left and right sides of the water permeable pipe.

7. The double-layer filtering water-permeable pipe according to claim 1, characterized in that: The number of the support rods (31) is an even number, and the size of the water permeable opening (30) can be changed by providing different numbers of support rods (31).

8. The double-layer filtering water-permeable pipe according to claim 2, characterized in that: Providing filter rings (32) of different widths can change the number of water permeable openings (30).

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