Water drain pipe for highway bridge

Abstract

The utility model discloses a highway bridge water drain pipe which comprises a water receiving opening, a second filter plate is arranged in the water receiving opening, a lower clamping groove is clamped in the second filter plate, an inner inserting groove is formed in the water receiving opening, a limiting column is inserted in the inner inserting groove, a fixing groove is formed in the water receiving opening, and the limiting column is inserted in the fixing groove. A side water inlet ring is inserted into the fixing groove, a water inlet groove is formed in the outer portion of the side water inlet ring, and an upper water inlet cover is arranged at the top end of the side water inlet ring. By arranging a convenient-to-clean structure, the upper water inlet cover rotates at the top end of the side water inlet ring, an upper connecting column at the bottom of the upper water inlet cover is meshed with an external thread of a lower threaded rod at the top end of a lower clamping groove, and a mounting ring seat outside the upper connecting column is driven to move in the side water inlet ring; impurities in the side water inlet ring are cleaned and supported by the movable filter disc outside the mounting ring seat, so that subsequent cleaning is facilitated, and a convenient cleaning function is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of drainage pipes, in particular to a drainage pipe used for highway bridges. Background Art

[0002] In the construction of some road projects such as highways and bridges, it is necessary to set up drainage systems on both sides of the road to discharge sewage on the road in rainy and snowy weather. At this time, drain pipes will be installed on both sides of the road and bridge to guide and drain the sewage, which can effectively remove the accumulated water on the ground and prevent the accumulated water from damaging the roads and bridges.

[0003] During the daily sewage discharge process, the drainage pipe will carry leaves and garbage, which will flow along the side holes above the drainage pipe and enter the water inlet pipe body along with the water flow, causing the pipe body to be blocked. Because the blockage inside the pipe will cause difficulty in clearing it later. Therefore, we proposed a drainage pipe for highway bridges to improve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a drainage pipe for a highway bridge to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a drainage pipe for a highway bridge, comprising a water inlet, a No. 2 filter plate is provided inside the water inlet, a lower clamping groove is clamped inside the No. 2 filter plate, an inner slot is provided inside the water inlet, a limiting column is inserted inside the inner slot, a fixing groove is provided inside the water inlet, a side water inlet ring is inserted inside the fixing groove, a water inlet groove is provided outside the side water inlet ring, an upper water inlet cover is provided at the top of the side water inlet ring, an upper connecting column is connected to the bottom of the upper water inlet cover, a mounting ring seat is sleeved on the outside of the upper connecting column, a movable filter disc is connected to the outside of the mounting ring seat, a filter net is provided inside the movable filter disc, and a lower threaded rod is inserted at the bottom of the upper connecting column.

[0006] Preferably, the lower clamping groove is engaged with the No. 2 filter plate opened inside the water inlet, the limiting column is inserted into the inner slot inside the water inlet and contacts with the lower clamping groove, the lower threaded rod passes through the interior of the lower clamping groove and is inserted at the bottom of the upper connecting column, the side water inlet ring is inserted in the fixed groove opened inside the water inlet, and the water inlet grooves are opened on the outside of the side water inlet ring at equal intervals.

[0007] Preferably, the movable filter plate is fixed to the outside of the upper connecting column by a mounting ring seat, a filter net is installed at the bottom of the movable filter plate, and the upper connecting column at the bottom of the upper water inlet cover is threadedly engaged with the lower threaded rod at the top of the lower clamping groove, driving the movable filter plate outside the upper water inlet cover to rise and fall inside the side water inlet ring.

[0008] Preferably, the bottom of the water inlet is connected to a delivery pipe, a fixed seat is installed inside the delivery pipe, a movable rod is inserted inside the fixed seat, a spring is sleeved on the outside of the movable rod, a blocking piece is connected to the bottom of the fixed seat, a connecting seat is provided at the bottom of the delivery pipe, and an inner anti-slip ring is inlaid on the inner wall of the connecting seat.

[0009] Preferably, the fixing seat is installed on the inner wall of the conveying pipe, the movable rod is inserted into the fixing seat and connected with the plugging piece, and the spring sleeve is arranged outside the movable rod and contacts with the fixing seat and the plugging piece.

[0010] Preferably, three groups of movable rods are provided, the water inlet is connected to the connecting seat through a delivery pipe, and the inner anti-slip ring is embedded in the inner wall of the connecting seat.

[0011] Preferably, a cast iron body is provided inside the water inlet, the inner wall of the cast iron body is coated with a ceramic coating, one side of the cast iron body is coated with an anti-oxidation coating, and the outside of the anti-oxidation coating is coated with an anti-rust paint layer.

[0012] Preferably, the water inlet, delivery pipe and connecting seat are made of an integral cast iron body, the inner walls of the water inlet, delivery pipe and connecting seat are coated with a ceramic coating, and the anti-oxidation coating and anti-rust paint layer are sequentially coated on the outer wall of the cast iron body.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the drainage pipe for highway bridges not only realizes the function of easy cleaning and anti-backflow, but also realizes the function of corrosion resistance;

[0014] (1) By setting up a convenient cleaning structure, the utility model is beneficial in that: the upper water inlet cover is rotated on the top of the side water inlet ring, so that the upper connecting column at the bottom of the upper water inlet cover is meshed with the outer thread of the lower threaded rod at the top of the lower clamping groove, driving the mounting ring seat outside the upper connecting column to move inside the side water inlet ring, so that the water can be filtered through the filter net at the bottom of the movable filter disk and the impurities can be left on the movable filter disk, so that the movable filter disk outside the mounting ring seat can clean and support the impurities inside the side water inlet ring, which is convenient for subsequent cleaning, thereby realizing the convenient cleaning function, and the limiting column inside the water inlet can also be pulled out from the inner slot, and the lower clamping groove and the side water inlet ring can be taken out from the inside of the water inlet together;

[0015] (2) By setting up the anti-backflow structure, the utility model has the following advantages: when in use, water flows through the upper water inlet cover at the top of the water inlet and the water inlet groove outside the side water inlet ring, flows into the inside of the delivery pipe at the bottom through the water inlet and contacts the plugging piece. Once the water accumulates to a certain weight, it will press the plugging piece downward, allowing the plugging piece to slide on the fixed seat through the movable rod, leaving a gap between the delivery pipe and the connecting seat to allow the water to flow down. After that, the plugging piece will rebound through the spring sleeved on the outside of the movable rod between the fixed seat and the plugging piece, covering the bottom of the delivery pipe, thereby realizing the anti-backflow function;

[0016] (3) By providing a corrosion-resistant structure, the utility model has the following benefits: when in use, the water inlet, delivery pipe and main body of the connecting seat of the drain pipe are all made of a cast iron body. The ceramic coating provided on the inner wall of the cast iron body has the characteristics of anti-adhesion, wear resistance and easy cleaning. The anti-oxidation coating and anti-rust paint layer applied on the outside of the cast iron body can increase the corrosion resistance of the outer wall of the cast iron body and extend the service life of the drain pipe, thereby achieving the corrosion-resistant function. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front view structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic cross-sectional structure diagram of the side water inlet ring and the water inlet of the utility model;

[0019] Figure 3 For the utility model Figure 2 A schematic diagram of the enlarged cross-section structure at the middle A;

[0020] Figure 4 It is a schematic diagram of the enlarged cross-section structure of the delivery pipe and the connecting seat of the utility model;

[0021] Figure 5 It is a schematic diagram of the enlarged cross-section structure of the delivery pipe of the utility model.

[0022] In the figure: 1. upper water inlet cover; 2. side water inlet ring; 3. water inlet groove; 4. water inlet; 5. delivery pipe; 6. connecting seat; 7. upper connecting column; 8. mounting ring seat; 9. movable filter plate; 10. filter screen; 11. lower threaded rod; 12. No. 2 filter plate; 13. lower clamping groove; 14. fixing groove; 15. limiting column; 16. inner slot; 17. fixing seat; 18. movable rod; 19. plug; 20. spring; 21. inner anti-skid ring; 22. ceramic coating; 23. cast iron body; 24. anti-oxidation coating; 25. anti-rust paint layer. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1: Please refer to Figure 1-5 , a drainage pipe for a highway bridge, comprising a water inlet 4, a No. 2 filter plate 12 is provided inside the water inlet 4, a lower clamping groove 13 is clamped inside the No. 2 filter plate 12, an inner slot 16 is provided inside the water inlet 4, a limiting column 15 is inserted inside the inner slot 16, a fixing groove 14 is provided inside the water inlet 4, a side water inlet ring 2 is inserted inside the fixing groove 14, a water inlet groove 3 is provided outside the side water inlet ring 2, an upper water inlet cover 1 is provided at the top of the side water inlet ring 2, an upper connecting column 7 is connected to the bottom of the upper water inlet cover 1, a mounting ring seat 8 is sleeved on the outer side of the upper connecting column 7, a mobile filter disc 9 is connected to the outer side of the mounting ring seat 8, a filter screen 10 is provided inside the mobile filter disc 9, and a lower threaded rod 11 is inserted at the bottom of the upper connecting column 7;

[0025] The lower snap-fit ​​groove 13 is snapped into the No. 2 filter plate 12 opened inside the water inlet 4, the limiting column 15 is inserted into the inner slot 16 inside the water inlet 4 and contacts the lower snap-fit ​​groove 13, the lower threaded rod 11 penetrates the interior of the lower snap-fit ​​groove 13 and is inserted into the bottom of the upper connecting column 7, the side water inlet ring 2 is inserted into the fixed groove 14 opened inside the water inlet 4, the water inlet grooves 3 are evenly spaced outside the side water inlet ring 2, the mobile filter disc 9 is fixed to the outside of the upper connecting column 7 through the mounting ring seat 8, and the bottom of the mobile filter disc 9 is installed with a filter screen 10, the upper connecting column 7 at the bottom of the upper water inlet cover 1 is threadedly engaged with the lower threaded rod 11 at the top of the lower snap-fit ​​groove 13, driving the mobile filter disc 9 outside the upper water inlet cover 1 to rise and fall inside the side water inlet ring 2;

[0026] Specifically, Figure 1 , Figure 2 and Figure 3 As shown, by setting up a structure that is easy to clean, the upper water inlet cover 1 is rotated on the top of the side water inlet ring 2, so that the upper connecting column 7 at the bottom of the upper water inlet cover 1 is engaged with the external thread of the lower threaded rod 11 at the top of the lower clamping groove 13, driving the mounting ring seat 8 outside the upper connecting column 7 to move inside the side water inlet ring 2, and the impurities can be left on the mobile filter disk 9 after the water is filtered through the filter net 10 at the bottom of the mobile filter disk 9, so that the mobile filter disk 9 outside the mounting ring seat 8 cleans and supports the impurities inside the side water inlet ring 2, which is convenient for subsequent cleaning, thereby realizing the easy cleaning function.

[0027] Embodiment 2: The bottom of the water inlet 4 is connected to a delivery pipe 5, a fixed seat 17 is installed inside the delivery pipe 5, a movable rod 18 is inserted inside the fixed seat 17, a spring 20 is sleeved outside the movable rod 18, a plug 19 is connected to the bottom of the fixed seat 17, a connecting seat 6 is provided at the bottom of the delivery pipe 5, and an inner anti-slip ring 21 is inlaid on the inner wall of the connecting seat 6;

[0028] The fixed seat 17 is installed on the inner wall of the delivery pipe 5, the movable rod 18 is inserted into the fixed seat 17 and connected with the plug 19, the spring 20 is sleeved on the outside of the movable rod 18 and contacts the fixed seat 17 and the plug 19, the movable rod 18 is provided with three groups, the water inlet 4 is connected with the connecting seat 6 through the delivery pipe 5, and the inner anti-slip ring 21 is embedded in the inner wall of the connecting seat 6;

[0029] Specifically, Figure 1 and Figure 4 As shown, by setting the anti-backflow structure, when in use, water flows through the upper water inlet cover 1 at the top of the water inlet 4 and the water inlet groove 3 outside the side water inlet ring 2, and flows into the inside of the delivery pipe 5 at the bottom through the water inlet 4 and contacts with the plug 19. Once the water accumulates to a certain weight, the plug 19 will be pressed downward, allowing the plug 19 to slide on the fixed seat 17 through the movable rod 18, leaving a gap between the delivery pipe 5 and the connecting seat 6 to allow the water to flow down, and then the plug 19 will rebound through the spring 20 sleeved on the outside of the movable rod 18 between the fixed seat 17 and the plug 19, and cover the bottom of the delivery pipe 5, thereby realizing the anti-backflow function.

[0030] Embodiment 3: A cast iron body 23 is disposed inside the water inlet 4, the inner wall of the cast iron body 23 is coated with a ceramic coating 22, one side of the cast iron body 23 is coated with an anti-oxidation coating 24, and the outer side of the anti-oxidation coating 24 is coated with an anti-rust paint layer 25;

[0031] The water inlet 4, the delivery pipe 5 and the connection seat 6 are integrally made of a cast iron body 23, and the inner walls of the water inlet 4, the delivery pipe 5 and the connection seat 6 are coated with a ceramic coating 22, and an anti-oxidation coating 24 and an anti-rust paint layer 25 are sequentially coated on the outer wall of the cast iron body 23;

[0032] Specifically, Figure 1 and Figure 5 As shown, by setting a corrosion-resistant structure, the water inlet 4, the delivery pipe 5 and the main body of the connecting seat 6 of the drain pipe are all made of a cast iron body 23 when in use. The ceramic coating 22 arranged on the inner wall of the cast iron body 23 has the characteristics of anti-adhesion, wear resistance and easy cleaning. The anti-oxidation coating 24 and the anti-rust paint layer 25 coated on the outside of the cast iron body 23 can increase the corrosion resistance of the outer wall of the cast iron body 23 and extend the service life of the drain pipe, thereby realizing the corrosion-resistant function.

[0033] Working principle: The utility model is used to insert the water inlet 4 with the delivery pipe 5 and the connecting seat 6 into the hole groove of the bridge, the lower threaded rod 11 is passed through the lower clamping groove 13, the side water inlet ring 2 is placed on the top of the lower threaded rod 11, and then the filter plate 9 is moved to contact, the upper connecting column 7 at the bottom of the upper water inlet cover 1 is threadedly engaged with the lower threaded rod 11 at the top of the lower clamping groove 13 to connect, the upper water inlet cover 1 together with the side water inlet ring 2 and the lower clamping groove 13 are inserted into the lower clamping groove 13 and the fixing groove 14 inside the water inlet 4, and the limit The positioning post 15 is inserted into the inner slot 16 inside the water inlet 4 and contacts the lower clamping groove 13 inside the second filter plate 12 to fix the lower clamping groove 13. The water inlet 4, the delivery pipe 5 and the main body of the connecting seat 6 of the drain pipe are all made of a cast iron body 23. The ceramic coating 22 arranged on the inner wall of the cast iron body 23 has the advantages of anti-adhesion, wear resistance and easy cleaning. The anti-oxidation coating 24 and the anti-rust paint layer 25 coated on the outside of the cast iron body 23 can increase the corrosion resistance of the outer wall of the cast iron body 23, extend the service life of the drain pipe, and then when it is used The water flows through the upper water inlet cover 1 at the top of the water inlet 4 and the water inlet groove 3 outside the side water inlet ring 2, and flows into the inside of the delivery pipe 5 at the bottom through the water inlet 4 and contacts the plugging piece 19. Once the water accumulates to a certain weight, it will press the plugging piece 19 downward, allowing the plugging piece 19 to slide on the fixed seat 17 through the movable rod 18, leaving a gap between the delivery pipe 5 and the connecting seat 6 to let the water flow down. After that, the plugging piece 19 will rebound through the spring 20 sleeved on the outside of the movable rod 18 between the fixed seat 17 and the plugging piece 19, covering the bottom of the delivery pipe 5 to prevent Animals and insects enter the road along the pipe, and finally the upper water inlet cover 1 is rotated on the top of the side water inlet ring 2, so that the upper connecting column 7 at the bottom of the upper water inlet cover 1 is engaged with the external thread of the lower threaded rod 11 at the top of the lower clamping groove 13, driving the mounting ring seat 8 outside the upper connecting column 7 to move inside the side water inlet ring 2, after the water is filtered through the filter net 10 at the bottom of the mobile filter disk 9, the impurities are left on the mobile filter disk 9, and the mobile filter disk 9 outside the mounting ring seat 8 cleans and supports the impurities inside the side water inlet ring 2, which is convenient for subsequent cleaning.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A drainage pipe for a highway bridge, comprising a water inlet (4), characterized in that: A second filter plate (12) is provided inside the water inlet (4), and a lower clamping groove (13) is clamped inside the second filter plate (12). An inner slot (16) is provided inside the water inlet (4), and a limiting column (15) is inserted inside the inner slot (16). A fixing groove (14) is provided inside the water inlet (4), and a side water inlet ring (2) is inserted inside the fixing groove (14). A water inlet groove (3) is provided outside the side water inlet ring (2). An upper water inlet cover (1) is provided at the top of the side water inlet ring (2), and an upper connecting column (7) is connected to the bottom of the upper water inlet cover (1). A mounting ring seat (8) is sleeved on the outside of the upper connecting column (7), and a movable filter disc (9) is connected to the outside of the mounting ring seat (8). A filter screen (10) is provided inside the movable filter disc (9), and a lower threaded rod (11) is inserted at the bottom of the upper connecting column (7).

2. The drain pipe for highway bridges according to claim 1, characterized in that: The lower clamping groove (13) is clamped in the No. 2 filter plate (12) opened inside the water inlet (4); the limiting column (15) is inserted into the inner slot (16) inside the water inlet (4) and contacts the lower clamping groove (13); the lower threaded rod (11) passes through the lower clamping groove (13) and is inserted into the bottom of the upper connecting column (7); the side water inlet ring (2) is inserted into the fixing groove (14) opened inside the water inlet (4); and the water inlet grooves (3) are opened at equal intervals outside the side water inlet ring (2).

3. The drain pipe for highway bridges according to claim 1, characterized in that: The movable filter plate (9) is fixed to the outside of the upper connecting column (7) via a mounting ring seat (8); a filter screen (10) is mounted at the bottom of the movable filter plate (9); the upper connecting column (7) at the bottom of the upper water inlet cover (1) is threadedly engaged with a lower threaded rod (11) at the top of a lower clamping groove (13), thereby driving the movable filter plate (9) outside the upper water inlet cover (1) to rise and fall inside the side water inlet ring (2).

4. The drain pipe for highway bridges according to claim 1, characterized in that: The bottom of the water inlet (4) is connected to a delivery pipe (5), a fixed seat (17) is installed inside the delivery pipe (5), a movable rod (18) is inserted inside the fixed seat (17), a spring (20) is sleeved outside the movable rod (18), a blocking piece (19) is connected to the bottom of the fixed seat (17), a connecting seat (6) is arranged at the bottom of the delivery pipe (5), and an inner anti-slip ring (21) is inlaid on the inner wall of the connecting seat (6).

5. The drain pipe for highway bridges according to claim 4, characterized in that: The fixed seat (17) is mounted on the inner wall of the delivery pipe (5), the movable rod (18) is inserted into the fixed seat (17) and connected to the plug (19), and the spring (20) is sleeved on the outside of the movable rod (18) and contacts the fixed seat (17) and the plug (19).

6. The drain pipe for highway bridges according to claim 4, characterized in that: The movable rods (18) are provided in three groups, the water inlet (4) is connected to the connecting seat (6) through the delivery pipe (5), and the inner anti-slip ring (21) is embedded in the inner wall of the connecting seat (6).

7. The drain pipe for highway bridges according to claim 1, characterized in that: A cast iron body (23) is provided inside the water inlet (4), an inner wall of the cast iron body (23) is coated with a ceramic coating (22), one side of the cast iron body (23) is coated with an anti-oxidation coating (24), and an outer surface of the anti-oxidation coating (24) is coated with an anti-rust paint layer (25).

8. The drain pipe for highway bridges according to claim 7, characterized in that: The water inlet (4), the delivery pipe (5) and the connecting seat (6) are integrally made of a cast iron body (23); the inner walls of the water inlet (4), the delivery pipe (5) and the connecting seat (6) are coated with a ceramic coating (22); and the anti-oxidation coating (24) and the anti-rust paint layer (25) are sequentially coated on the outer wall of the cast iron body (23).

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