CN213709717U - Water conservancy irrigation drainage port leading device - Google Patents

Abstract

The application relates to a water conservancy irrigation drainage port device, which comprises a drainage pipe, wherein a water level pipe is sleeved outside the drainage pipe, the drainage pipe and the water level pipe are arranged in a sealing manner, a limiting ring is fixedly connected to the inner peripheral surface of the water level pipe, a mounting groove is formed in the inner peripheral surface of the limiting ring, a mounting hole is formed in the side wall of the mounting groove, a fixing ring is connected to the mounting hole in a sliding manner, a filter screen is fixedly connected to the inner peripheral surface of the fixing ring, a first through hole is formed in the side wall of the drainage pipe corresponding to the mounting hole, and the fixing ring is attached; the water guiding and discharging port device further comprises a fixing mechanism for fixing the fixing ring. This application can reduce the possibility that draws the calandria pipe to block up, and accessible dismouting washs the filter screen simultaneously and reduces the influence to the velocity of flow of rivers behind the installation filter screen.

Description

Water conservancy irrigation drainage port leading device

Technical Field

The application relates to a irrigation technical field especially relates to a water conservancy irrigation draws drainage mouth device.

Background

Along with the construction areas such as farmland, gardens are big gradually, at irrigation's in-process, need introduce downflow irrigation with rivers through leading water pipe.

The related technology can refer to the Chinese utility model patent with the publication number of CN209194489U, which discloses a drainage port device for field irrigation, comprising a drainage pipe buried in the soil layer, wherein the two ends of the drainage pipe are respectively a water inlet end and a water outlet end, the water outlet end is communicated with the irrigation paddy field, and the water inlet end is communicated with an irrigation ditch; the water inlet end sleeve is provided with a water sealing pipe matched with the water inlet end sleeve, and the pipe orifice of the water sealing pipe is positioned above the horizontal plane of the irrigation ditch.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: fixed sundries such as household garbage and leaves may exist in the irrigation ditch, and the fixed sundries in the irrigation ditch are easily brought into the drainage pipeline in the use process of the drainage pipeline, so that the drainage pipeline may be blocked.

SUMMERY OF THE UTILITY MODEL

In order to reduce the possibility that drainage pipeline blockked up, this application provides a water conservancy irrigation drainage mouth device.

The application provides a pair of irrigation drainage mouth device, adopts following technical scheme:

a water conservancy irrigation drainage port device comprises a drainage pipe, wherein a water level pipe is sleeved outside the drainage pipe, the drainage pipe and the water level pipe are arranged in a sealing mode, a limiting ring is fixedly connected to the inner circumferential surface of the water level pipe, a mounting groove is formed in the inner circumferential surface of the limiting ring, a mounting hole is formed in the side wall of the mounting groove, a fixing ring is connected to the mounting hole in a sliding mode, a filter screen is fixedly connected to the inner circumferential surface of the fixing ring, a first through hole is formed in the side wall of the drainage pipe corresponding to the mounting hole, and the fixing ring is attached to the side wall of the mounting groove; the water guiding and draining port device further comprises a fixing mechanism for fixing the fixing ring.

By adopting the technical scheme, in the process of installing the filter screen, the purpose of installing the filter screen in the drainage pipeline can be achieved only by pushing the fixing ring to slide along the side wall of the installing hole until the fixing ring abuts against the side wall of the installing groove and fixing the fixing ring through the fixing mechanism; when the filter screen is dismantled to needs, remove fixed establishment earlier and to solid fixed ring's fixed action, remove solid fixed ring from leading the outlet pipe again to reach the purpose of convenient to detach filter screen, and then reach and reduce the possibility that leads the outlet pipe jam, accessible dismouting washs the filter screen simultaneously and reduces the influence to the velocity of flow of rivers behind the installation filter screen.

Preferably, a first sliding groove is formed in the side wall of the fixing ring, a second through hole is formed in the side wall of the first sliding groove, a limiting groove is formed in the inner side wall of the mounting hole, a third through hole is formed in the side wall of the top side of the first sliding groove, and two ends of the third through hole are respectively communicated with the limiting groove and the first sliding groove; the fixing mechanism comprises a first pushing block, a second pushing block, a third pushing block, a butting block and a first spring, the first pushing block is connected to the first sliding groove in a sliding mode, and a second sliding groove is formed in the side wall of the top side of the first pushing block; the second push block is connected to the second through hole in a sliding mode and fixedly connected to the first push block; the abutting block is connected with the second sliding groove in a sliding mode, the abutting block is inserted into the limiting groove in an inserting mode, one end of the first spring is fixedly connected with the abutting block, the other end of the first spring is fixedly connected with the bottom of the second sliding groove, the third push block is fixedly connected with the side wall of the third through hole, a first inclined plane is arranged on one side, away from the filter screen, of the third push block, a second inclined plane is arranged on one side, away from the first spring, of the abutting block, and the first inclined plane is matched with the second inclined plane; the fixing mechanism further comprises a resetting component enabling the first push block to reset.

By adopting the technical scheme, in the process of installing the fixing ring, the abutting block is firstly pushed to slide into the second sliding groove, then the fixing ring is pushed to move, when the peripheral surface of the fixing ring abuts against the side wall of the installing groove, the first spring pushes the abutting block to be inserted into the limiting groove, and therefore the purpose of fixing the fixing ring is achieved; in the process of disassembling the fixing ring, the second push block is pushed to drive the first push block to move, the first push block moves to drive the butt block to move, and the third push block pushes the butt block to slide into the second sliding groove under the interaction of the second inclined plane and the first inclined plane in the process of moving the butt block, so that the fixing ring can be disassembled, and the purpose of conveniently disassembling and assembling the fixing ring is achieved.

Preferably, the guide way has been seted up to the inside wall of first spout, the subassembly that resets includes second spring and first guide bar, the one end fixed connection of first guide bar is in first ejector pad, first guide bar sliding connection is in the guide way, the second spring housing is established on first guide bar, the one end fixed connection of second spring is in first ejector pad, other end fixed connection in the lateral wall of first spout.

By adopting the technical scheme, in the process of pushing the second push block to drive the first push block to move, the second spring is compressed, and when an external force is not applied to the second push block any more, the second spring pushes the first push block to move under the action of the elastic force of the second spring, so that the effect of resetting the first push block is achieved; through setting up first guide bar, be convenient for lead to first ejector pad.

Preferably, a third inclined plane is arranged on one side, close to the first through hole, of the outer peripheral surface of the water level pipe, and the third inclined plane is matched with the second inclined plane.

Through adopting above-mentioned technical scheme, at the in-process that promotes solid fixed ring, the butt piece contacts with the outer peripheral face of water level pipe earlier, and under third inclined plane and second inclined plane interact, the water level pipe promotes the butt piece and moves to the second spout in to the reduction promotes solid fixed ring and continues the degree of difficulty that removes.

Preferably, the outer peripheral surface of the fixing ring is fixedly connected with a positioning block, the side wall of the mounting groove is provided with a positioning groove, and the positioning block is inserted into the positioning groove.

Through adopting above-mentioned technical scheme, through setting up the mode that locating piece and constant head tank pegged graft, be convenient for strengthen solid fixed ring stability on the spacing ring.

Preferably, be provided with elastic component in the constant head tank, elastic component includes baffle and third spring, baffle sliding connection is in the constant head tank, the one end fixed connection of third spring is in the one side that the locating piece was kept away from to the baffle, and other end fixed connection is in the tank bottom of constant head tank.

Through adopting above-mentioned technical scheme, after removing fixed mechanism to solid fixed ring's fixed back, the third spring promotes the baffle and removes, and the baffle removes and promotes the locating piece and removes, and the locating piece removes and drives solid fixed ring and remove for solid fixed ring's protrusion drainage pipe outside, solid fixed ring removes simultaneously and drives the butt piece and remove, thereby reduces the butt piece and pegs graft in the possibility of spacing groove, and then reduces the degree of difficulty of dismantling solid fixed ring.

Preferably, the outer peripheral face fixed connection movable plate of water level pipe, the periphery fixedly connected with backup pad that draws the drain pipe, draw drainage mouth device still includes the drive assembly who removes the water level pipe, drive assembly includes threaded rod and hand wheel, the one end of threaded rod is rotated and is connected in the backup pad, threaded rod threaded connection is in the movable plate, hand wheel fixed connection keeps away from the one end of backup pad in the threaded rod.

By adopting the technical scheme, the driving assembly is arranged to move the water level pipe, so that different water levels of the irrigation ditch under the weather conditions of drought, waterlogging and the like can be conveniently handled; when the water level pipe needs to be moved, the hand wheel is rotated to drive the threaded rod to rotate, the threaded rod rotates to drive the moving plate to move, and the moving plate moves to drive the water level pipe to move.

Preferably, a second guide rod is fixedly connected to the support plate, penetrates through the moving plate, and is slidably connected to the second guide rod.

Through adopting above-mentioned technical scheme, through setting up the second guide bar, be convenient for lead the movable plate.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in the process of installing the filter screen, the purpose of installing the filter screen in the water guiding and draining pipeline can be achieved only by pushing the fixing ring to slide along the side wall of the installing hole until the fixing ring abuts against the side wall of the installing groove and then fixing the fixing ring through the fixing mechanism; when the filter screen needs to be disassembled, the fixing effect of the fixing mechanism on the fixing ring is firstly released, and then the fixing ring is removed from the water guiding and discharging pipe, so that the aim of conveniently disassembling the filter screen is fulfilled, the possibility of blockage of the water guiding and discharging pipe is further reduced, and meanwhile, the influence on the flow velocity of water flow after the filter screen is installed can be reduced by disassembling and cleaning the filter screen;

2. in the process of installing the fixing ring, the abutting block is pushed to slide into the second sliding groove, then the fixing ring is pushed to move, when the peripheral surface of the fixing ring abuts against the side wall of the installing groove, the first spring pushes the abutting block to be inserted into the limiting groove, and therefore the purpose of fixing the fixing ring is achieved; in the process of disassembling the fixing ring, the second push block is pushed to drive the first push block to move, the first push block drives the abutting block to move, and in the process of moving the abutting block, under the interaction of the second inclined plane and the first inclined plane, the third push block pushes the abutting block to slide into the second sliding groove, so that the fixing ring can be disassembled, and the purpose of facilitating the disassembly and assembly of the fixing ring is achieved;

3. when the second push block is pushed to drive the first push block to move, the second spring is compressed, and when the external force action is not exerted on the second push block any more, the second spring pushes the first push block to move under the elastic force action of the second spring, so that the effect of resetting the first push block is achieved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a cross-sectional view of a water level tube and a retainer ring in an embodiment of the present application;

FIG. 3 is a schematic view of the structure of the protrusion fixing mechanism and the elastic member in this embodiment;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is an enlarged view of a portion B in fig. 3.

Description of reference numerals: 1. a water guiding and discharging pipe; 2. a water level pipe; 21. a limiting ring; 211. mounting grooves; 212. mounting holes; 213. positioning a groove; 214. a limiting groove; 22. a first through hole; 221. a third inclined plane; 3. a fixing ring; 31. filtering with a screen; 32. a first chute; 321. a guide groove; 33. a second through hole; 34. a third through hole; 35. positioning blocks; 4. a fixing mechanism; 41. a first push block; 411. a second chute; 42. a second push block; 43. a third push block; 431. a first inclined plane; 44. a butting block; 441. a second inclined plane; 45. a first spring; 46. a reset assembly; 461. a second spring; 462. a first guide bar; 5. an elastic component; 51. a baffle plate; 52. a third spring; 6. moving the plate; 7. a support plate; 8. a drive assembly; 81. a threaded rod; 82. a hand wheel; 83. a second guide bar; 9. a handle.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses irrigation drainage mouth of a river device, as shown in figure 1, including drawing drainage pipe 1, water level pipe 2, drive assembly 8 and fixed establishment 4, water level pipe 2 cover is established on drawing drainage pipe 1, and water level pipe 2 adopts the rubber circle to seal with the junction that draws drainage pipe 1, draws drainage pipe 1's outer peripheral face fixedly connected with backup pad 7, and water level pipe 2's outer peripheral face fixedly connected with movable plate 6, movable plate 6 and backup pad 7 are located same one side.

As shown in fig. 1, the driving mechanism includes a threaded rod 81, a hand wheel 82 and a second guide rod 83, the threaded rod 81 is vertically disposed, one end of the threaded rod 81 is rotatably connected to the support plate 7 through a bearing, the threaded rod 81 penetrates through the moving plate 6, the threaded pipe is in threaded connection with the moving plate 6, and the hand wheel 82 is fixedly connected to one end of the threaded rod 81 far away from the support plate 7. The second guide rod 83 is a round rod-shaped structure, the second guide rod 83 is vertically arranged, one end of the second guide rod 83 is fixedly connected to the upper surface of the support plate 7, the second guide rod 83 penetrates through the movable plate 6, and the movable plate 6 is slidably connected to the second guide rod 83. The driving component 8 is arranged to move the water level pipe 2, so that different water levels of the irrigation ditch under the weather conditions of drought, waterlogging and the like can be conveniently handled; when the water level pipe 2 needs to be moved, the hand wheel 82 is rotated to drive the threaded rod 81 to rotate, the threaded rod 81 rotates to drive the moving plate 6 to move, and the moving plate 6 moves to drive the water level pipe 2 to move. By providing the second guide bar 83, the moving plate 6 is guided.

As shown in fig. 2 and 3, the inner peripheral surface of the water level pipe 2 is fixedly connected with a limiting ring 21, the limiting ring 21 is in a circular ring plate-shaped structure, the inner peripheral surface of the limiting ring 21 is provided with a mounting groove 211 with a circular ring-shaped cross section, the inner side wall of the mounting groove 211 is provided with a mounting hole 212, the mounting hole 212 is slidably connected with a fixing ring 3, the fixing ring 3 is in a circular ring plate-shaped structure, and the outer peripheral surface and the upper and lower end surfaces of the fixing ring 3 are both attached. The spacing ring 21 and the fixing ring 3 are sealed by rubber. The inner peripheral surface of the fixing ring 3 is fixedly connected with a filter screen 31. The corresponding mounting hole 212 is provided with a first through hole 22 on the side wall of the water guiding and discharging pipe 1, and the aperture of the mounting hole 212 and the first through hole 22 is not smaller than the outer diameter of the fixing ring 3. The handle 9 is fixedly connected to the outer peripheral surface of the fixing ring 3, and the handle 9 is located on one side of the fixing ring 3 close to the first through hole 22. In the process of installing the filter screen 31, the purpose of installing the filter screen 31 in the water guiding and discharging pipe 1 can be achieved only by pushing the fixing ring 3 to slide along the side wall of the installing hole 212 until the fixing ring 3 abuts against the side wall of the installing groove 211 and then fixing the fixing ring 3 through the fixing mechanism 4; when filter screen 31 is dismantled to needs, remove fixed action of fixed establishment 4 to solid fixed ring 3 earlier, the rethread drags handle 9 and drives solid fixed ring 3 and shift out drainage pipe 1 to reach the purpose of convenient to detach filter screen 31, and then reach and reduce the possibility that drainage pipe 1 blockked up, accessible dismouting washs filter screen 31 simultaneously and reduces the influence to the velocity of flow of rivers behind the installation filter screen 31.

As shown in fig. 3 and 4, a first chute 32 with a rectangular cross section is provided on the side wall of the fixing ring 3, a second through hole 33 with a rectangular opening is provided on the side wall of one side of the first chute 32 away from the filter screen 31, a third through hole 34 with a rectangular opening is provided on the top side of the first chute 32, a limit groove 214 with a rectangular opening is provided on the side wall of the top side of the mounting hole 212 corresponding to the third through hole 34, the limit groove 214 extends along the vertical direction, and two ends of the third through hole 34 are respectively communicated with the limit groove 214 and the first chute 32. A third inclined surface 221 is provided on the outer circumferential surface of the water level pipe 2 adjacent to the first through hole 22.

As shown in fig. 3 and 4, the fixing mechanism 4 includes a first pushing block 41, a second pushing block 42, a third pushing block 43, an abutting block 44, a first spring 45 and a reset component 46, the first pushing block 41 is a rectangular block structure, the first pushing block 41 is connected to the first sliding groove 32 along the radial direction of the water level pipe 2 in a sliding manner, a second sliding groove 411 with a rectangular opening is formed in the upper surface of the first pushing block 41, and the second sliding groove 411 extends in the vertical direction. The second pushing block 42 is fixedly connected to the first pushing block 41, the second pushing block 42 is slidably connected to the second through hole 33 along the radial direction of the water level pipe 2, and the second pushing block 42 protrudes out of the outer circumferential surface of the fixing ring 3. The third pushing block 43 is fixedly connected to a side wall of the third through hole 34, and a side of the third pushing block 43 away from the filter screen 31 is provided with a first inclined surface 431. The abutting block 44 is slidably connected to the second sliding groove 411, a second inclined surface 441 is arranged on the top side of the abutting block 44, the first inclined surface 431 is matched with the second inclined surface 441, and meanwhile, the second inclined surface 441 is matched with the third inclined surface 221. The first spring 45 is located in the second sliding slot 411, one end of the first spring 45 is fixedly connected to the bottom side of the abutting block 44, and the other end is fixedly connected to the bottom of the second sliding slot 411.

In order to install the fixing ring 3 conveniently, the fixing ring 3 is pushed to move along the inner side wall of the installation hole 212, the second inclined surface 441 is firstly contacted with the third inclined surface 221 in the process of pushing the fixing ring 3 to move, the water level pipe 2 pushes the abutting block 44 to slide into the second sliding groove 411 under the interaction of the second inclined surface 441 and the third inclined surface 221, then the fixing ring 3 is pushed to move continuously, and when the outer peripheral surface of the fixing ring 3 abuts against the side wall of the installation groove 211, the first spring 45 pushes the abutting block 44 to be inserted into the limiting groove 214, so that the purpose of fixing the fixing ring 3 is achieved; in the process of disassembling the fixing ring 3, the second pushing block 42 is pushed to drive the first pushing block 41 to move, the first pushing block 41 is moved to drive the abutting block 44 to move, and in the process of moving the abutting block 44, under the interaction of the second inclined surface 441 and the first inclined surface 431, the third pushing block 43 pushes the abutting block 44 to slide into the second sliding groove 411, so that the fixing ring 3 can be disassembled, and the purpose of facilitating the disassembling and assembling of the fixing ring 3 is achieved.

As shown in fig. 3 and 4, a circular guide groove 321 is opened in a side wall of the first chute 32 near the screen 31, and the guide groove 321 extends in a radial direction of the water pipe 2. The reset assembly 46 includes a second spring 461 and a first guide rod 462, one end of the first guide rod 462 is fixedly connected to one side of the first push block 41 close to the filter screen 31, the first guide rod 462 is slidably connected to the guide groove 321, the second spring 461 is sleeved on the first guide rod 462, one end of the second spring 461 is fixedly connected to one side of the first push block 41 close to the filter screen 31, and the other end is fixedly connected to a side wall of the first sliding chute 32 close to the filter screen 31. In the process of pushing the second pushing block 42 to drive the first pushing block 41 to move, the second spring 461 is compressed, and when an external force is no longer applied to the second pushing block 42, under the action of the elastic force of the second spring 461, the second spring 461 pushes the first pushing block 41 to move, so that the effect of resetting the first pushing block 41 is achieved; the first guide bar 462 is provided to facilitate the guiding of the first push block 41.

As shown in fig. 3 and 5, the positioning block 35 is fixedly connected to the outer peripheral surface of the fixing ring 3, the positioning block 35 is a rectangular block structure, the positioning groove 213 is formed in the inner side wall of the mounting groove 211, the positioning block 35 is inserted into the positioning groove 213, and the positioning groove 213 is disposed opposite to the mounting hole 212. The positioning groove 213 is internally provided with an elastic component 5, the elastic component 5 comprises a baffle 51 and a third spring 52, the baffle 51 is in a rectangular plate-shaped structure, and the baffle 51 is slidably connected to the positioning groove 213. The third spring 52 is located in the positioning groove 213, one end of the third spring 52 is fixedly connected to the side of the baffle 51 far away from the filter screen 31, and the other end of the third spring is fixedly connected to the side wall of the positioning groove 213 far away from the filter screen 31. Through the mode that sets up locating piece 35 and constant head tank 213 grafting, be convenient for strengthen solid fixed ring 3 stability on spacing ring 21. When the fixing mechanism 4 is released from fixing the fixing ring 3, the third spring 52 pushes the baffle 51 to move, the baffle 51 moves to push the positioning block 35 to move, the positioning block 35 moves to drive the fixing ring 3 to move, so that the protrusion of the fixing ring 3 leads the outer side of the drainage pipe 1, meanwhile, the fixing ring 3 moves to drive the abutting block 44 to move, the possibility that the abutting block 44 is inserted into the limiting groove 214 is reduced, and the difficulty in detaching the fixing ring 3 is reduced.

The implementation principle of irrigation drainage mouth device is introduced to this application embodiment is: in the process of installing the filter screen 31, the purpose of installing the filter screen 31 in the water guiding and discharging pipe 1 can be achieved only by pushing the fixing ring 3 to slide along the side wall of the installing hole 212 until the fixing ring 3 abuts against the side wall of the installing groove 211 and then fixing the fixing ring 3 through the fixing mechanism 4; when filter screen 31 is dismantled to needs, remove fixed action of fixed establishment 4 to solid fixed ring 3 earlier, the rethread drags handle 9 and drives solid fixed ring 3 and shift out drainage pipe 1 to reach the purpose of convenient to detach filter screen 31, and then reach and reduce the possibility that drainage pipe 1 blockked up, accessible dismouting washs filter screen 31 simultaneously and reduces the influence to the velocity of flow of rivers behind the installation filter screen 31.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a water conservancy irrigation drainage mouth device, is including drawing drainage pipe (1), its characterized in that: the water level pipe (2) is sleeved outside the water leading and discharging pipe (1), the water leading and discharging pipe (1) and the water level pipe (2) are arranged in a sealed mode, a limiting ring (21) is fixedly connected to the inner circumferential surface of the water level pipe (2), an installation groove (211) is formed in the inner circumferential surface of the limiting ring (21), an installation hole (212) is formed in the side wall of the installation groove (211), the installation hole (212) is connected with a fixing ring (3) in a sliding mode, a filter screen (31) is fixedly connected to the inner circumferential surface of the fixing ring (3), a first through hole (22) is formed in the side wall of the water leading and discharging pipe (1) corresponding to the installation hole (212), and the fixing ring (3) is attached to the side wall; the water guiding and draining port device further comprises a fixing mechanism (4) for fixing the fixing ring (3).

2. The water conservancy irrigation drainage port device according to claim 1, wherein: a first sliding groove (32) is formed in the side wall of the fixing ring (3), a second through hole (33) is formed in the side wall of the first sliding groove (32), a limiting groove (214) is formed in the inner side wall of the mounting hole (212), a third through hole (34) is formed in the side wall of the top side of the first sliding groove (32), and two ends of the third through hole (34) are respectively communicated with the limiting groove (214) and the first sliding groove (32); the fixing mechanism (4) comprises a first pushing block (41), a second pushing block (42), a third pushing block (43), an abutting block (44) and a first spring (45), the first pushing block (41) is connected to the first sliding groove (32) in a sliding mode, and a second sliding groove (411) is formed in the side wall of the top side of the first pushing block (41); the second push block (42) is connected to the second through hole (33) in a sliding mode, and the second push block (42) is fixedly connected to the first push block (41); the abutting block (44) is connected to the second sliding groove (411) in a sliding mode, the abutting block (44) is inserted into the limiting groove (214), one end of the first spring (45) is fixedly connected to the abutting block (44), the other end of the first spring is fixedly connected to the bottom of the second sliding groove (411), the third push block (43) is fixedly connected to the side wall of the third through hole (34), a first inclined surface (431) is arranged on one side, away from the filter screen (31), of the third push block (43), a second inclined surface (441) is arranged on one side, away from the first spring (45), of the abutting block (44), and the first inclined surface (431) is matched with the second inclined surface (441); the fixing mechanism (4) further comprises a resetting component (46) which enables the first push block (41) to reset.

3. The water conservancy irrigation drainage port device according to claim 2, wherein: guide way (321) have been seted up to the inside wall of first spout (32), reset subassembly (46) include second spring (461) and first guide bar (462), the one end fixed connection of first guide bar (462) is in first ejector pad (41), first guide bar (462) sliding connection is in guide way (321), second spring (461) cover is established on first guide bar (462), the one end fixed connection of second spring (461) is in first ejector pad (41), other end fixed connection is in the lateral wall of first spout (32).

4. The water conservancy irrigation drainage port device according to claim 3, wherein: and a third inclined surface (221) is arranged on one side, close to the first through hole (22), of the outer peripheral surface of the water level pipe (2), and the third inclined surface (221) is matched with the second inclined surface (441).

5. The water conservancy irrigation drainage port device according to claim 4, wherein: the outer peripheral face fixedly connected with locating piece (35) of solid fixed ring (3), constant head tank (213) have been seted up to the lateral wall of mounting groove (211), locating piece (35) are pegged graft in constant head tank (213).

6. The water conservancy irrigation drainage port device according to claim 5, wherein: be provided with elastic component (5) in constant head tank (213), elastic component (5) are including baffle (51) and third spring (52), baffle (51) sliding connection is in constant head tank (213), the one end fixed connection of third spring (52) is in the one side that locating piece (35) were kept away from in baffle (51), and the tank bottom of other end fixed connection in constant head tank (213).

7. The water conservancy irrigation drainage port device according to claim 1, wherein: the outer peripheral face fixed connection movable plate (6) of water level pipe (2), draw the periphery fixedly connected with backup pad (7) of drain pipe (1), draw water drainage mouth device still including drive assembly (8) that remove water level pipe (2), drive assembly (8) are including threaded rod (81) and hand wheel (82), the one end of threaded rod (81) is rotated and is connected in backup pad (7), threaded rod (81) threaded connection is in movable plate (6), the one end of backup pad (7) is kept away from in hand wheel (82) fixed connection threaded rod (81).

8. The water conservancy irrigation drainage port device of claim 7, wherein: the support plate (7) is fixedly connected with a second guide rod (83), the second guide rod (83) penetrates through the moving plate (6), and the moving plate (6) is connected to the second guide rod (83) in a sliding mode.

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