阅读说明：本技术 一种可防水防漏的桥梁柔性伸缩缝装置 (Waterproof and leakproof flexible expansion joint device for bridge ) 是由 刘万杰 李斌 柳维维 郭佳 汤英楠 李哲 武宽 毕成城 宋文涛 穆秋芬 李鹏 于 2020-07-23 设计创作，主要内容包括：本发明公开了一种可防水防漏的桥梁柔性伸缩缝装置,包括桥梁主体,所述桥梁主体有两个,所述桥梁主体的一端固定安装有连接块,两个所述连接块的中间固定安装有渗水板,所述渗水板的下方均匀设置有两个第一导流板,所述第一导流板的表面均匀设置有若干个导流槽,两个所述第一导流板的下方安装有第二导流板,所述第二导流板的底面固定安装有防渗连接板,所述防渗连接板的下方均匀安装有两个缓冲板,两个所述缓冲板的中间均匀活动安装有若干个连接弹簧。本发明通过安装有防水侧板、渗水板、第一导流板、导流槽、分流孔、防渗连接板和第二导流板可以快速的水流进行分流、导流,避免积水进入装置内部对内部构件造成锈蚀和氧化。(The invention discloses a waterproof and leakproof flexible bridge expansion joint device which comprises a bridge main body, wherein the number of the bridge main body is two, one end of the bridge main body is fixedly provided with a connecting block, the middle of the two connecting blocks is fixedly provided with a water seepage plate, two first guide plates are uniformly arranged below the water seepage plate, the surface of each first guide plate is uniformly provided with a plurality of guide grooves, a second guide plate is arranged below the two first guide plates, the bottom surface of each second guide plate is fixedly provided with an anti-seepage connecting plate, two buffer plates are uniformly arranged below the anti-seepage connecting plate, and a plurality of connecting springs are uniformly and movably arranged in the middle of the two buffer plates. According to the invention, the waterproof side plate, the water seepage plate, the first guide plate, the guide groove, the diversion hole, the anti-seepage connecting plate and the second guide plate are arranged, so that water can be quickly diverted and guided, and accumulated water is prevented from entering the interior of the device to cause corrosion and oxidation to internal components.)

1. The utility model provides a flexible expansion joint device of bridge that can waterproof leak protection, includes bridge main part (1), its characterized in that: the bridge is characterized in that the number of the bridge main bodies (1) is two, one end of each bridge main body (1) is fixedly provided with a connecting block (2), the middle of each connecting block (2) is fixedly provided with a water seepage plate (5), the lower part of each water seepage plate (5) is uniformly provided with two first guide plates (6), the surface of each first guide plate (6) is uniformly provided with a plurality of guide grooves (7), the lower parts of the two first guide plates (6) are provided with second guide plates (9), the bottom surface of each second guide plate (9) is fixedly provided with an anti-seepage connecting plate (10), the lower part of each anti-seepage connecting plate (10) is uniformly provided with two buffer plates (3), the middle of each buffer plate (3) is uniformly movably provided with a plurality of connecting springs (11), the middle of each connecting spring (11) is movably provided with a connecting rod (13), and the end parts of the two ends of each connecting rod (13), a memory metal buffer plate (14) is arranged between one side of the limiting ring (16) and the buffer plate (3), a rubber sleeve (15) is arranged on the other side of the limiting ring (16), the inner side of the rubber sleeve (15) is completely attached to the outer side of the end part of the connecting rod (13), waterproof side plates (4) are fixedly arranged between the two ends of the two buffer plates (3), a bottom sealing plate (12) is fixedly arranged between the two waterproof side plates (4), the water seepage plate (5) is made of memory metal, a plurality of filter holes are uniformly formed in the surface of the water seepage plate (5), a plurality of flow distribution holes (8) are uniformly formed in the bottom surface of the inner side of the flow guide groove (7), the material of the second flow guide plate (9) is elastic material, and the upper surface of the first flow guide plate (6) is provided with a protruding part and the lower surface is provided with a first concave part, the upper surface of second guide plate (9) has second bellying and the lower surface has the second concave part, the second bellying with first concave part matches, the second concave part with form sealed cavity between prevention of seepage connecting plate (10), evenly set up a plurality of buffering power generation facility (20) in the cavity, the upper surface of second guide plate (9) and for buffering power generation facility (20) are provided with blocking device (21) more near one side of waterproof curb plate (4), upwards extend and run through of spacing ring (16) buffer board (3) top is located be provided with fan (17) between spacing ring (16) and connecting spring (11), wind ascending first wind gap (18) and horizontally second wind gap (19), spacing ring (16) including being located the inside first part of buffer board (3) and being located the outside second part of buffer board (3) The second air port (19) is opposite to the second portion, the second portion is arc-shaped, a concave portion of the arc-shaped faces one side of the connecting spring (11), the buffering power generation device (20) comprises a bottom barrel (201), an accommodating portion (202) inside the bottom barrel (201), a power generation spring (203) in the accommodating portion (202), a buffering spring (205) at the bottom of the bottom barrel (201), a movable column located on the buffering spring (205) and a pressing plate (204) above the movable column, a magnet is arranged in the movable column, and the blocking device (21) comprises a baffle plate (211) and a reset spring (212).

2. The waterproof and leak-proof bridge flexible expansion joint device of claim 1, wherein: the anti-seepage connecting plate is characterized in that protruding edge strips are fixedly arranged on the surfaces of two sides of the anti-seepage connecting plate (10), and the sides of the anti-seepage connecting plate (10) and the protruding edge strips are located inside the side faces of the connecting blocks (2).

3. The waterproof and leakproof bridge flexible expansion joint device according to any one of claims 1 or 2, wherein: the waterproof side plate (4) and the bottom sealing plate (12) are made of rubber, and the connection gaps on the periphery of the waterproof side plate (4) and the bottom sealing plate (12) are filled with waterproof adhesive.

4. The waterproof and leakproof bridge flexible expansion joint device according to any one of claims 1 to 3, wherein: the upper end and the lower end of the connecting block (2) are provided with fixing holes, and the connecting block (2) is fixed with the bridge main body (1) and the buffer plate (3) through bolts.

5. The waterproof and leakproof bridge flexible expansion joint device according to any one of claims 1 to 4, wherein: the two sides of the water seepage plate (5) are completely attached to one side of the upper end of the connecting block (2), and the water seepage plate (5) is fixed with the connecting block (2) through welding.

Technical Field

The invention relates to the technical field of bridge expansion joints, in particular to a waterproof and leakproof bridge flexible expansion joint device.

Background

Along with the rapid development of social economy, bridge expansion joints: the indicate for satisfying the requirement that the bridge floor warp, set up the expansion joint between two beam ends, between beam end and abutment or on the articulated position of bridge usually, require the expansion joint in two directions of parallel, perpendicular to bridge axis, the homoenergetic freely stretches out and draws back, and is firm reliable, should be smooth-going when the vehicle is gone, do not have kick and noise, the effect of bridge expansion joint: consists in adjusting the displacements and couplings between the superstructure caused by the vehicle loads and the bridge construction materials.

However, the existing bridge expansion joint device is easy to be infiltrated by rainwater when in use, causes corrosion and oxidation to internal components, and is easy to be blocked by dirt to influence use; therefore, the existing requirements are not met, and a waterproof and leakproof flexible expansion joint device for the bridge is provided.

Disclosure of Invention

The invention aims to provide a waterproof and leakproof flexible bridge expansion joint device, which solves the problems that the existing bridge expansion joint device in the background art is easy to be infiltrated by rainwater, causes corrosion and oxidation to internal components, is easy to be blocked by dirt, influences the use and the like when in use.

In order to achieve the purpose, the invention provides the following technical scheme: a waterproof and leakproof flexible bridge expansion joint device comprises a bridge main body, wherein the bridge main body is provided with two connecting blocks, one end of the bridge main body is fixedly provided with a connecting block, the middle of the two connecting blocks is fixedly provided with a water seepage plate, the lower part of the water seepage plate is uniformly provided with two first guide plates, the surface of each first guide plate is uniformly provided with a plurality of guide grooves, the lower parts of the two first guide plates are provided with second guide plates, the bottom surface of each second guide plate is fixedly provided with an anti-seepage connecting plate, the lower part of the anti-seepage connecting plate is uniformly provided with two buffer plates, the middle parts of the two buffer plates are uniformly movably provided with a plurality of connecting springs, the middle parts of the connecting springs are movably provided with connecting rods, the end parts at the two ends of each connecting rod are fixedly provided with limit rings, one side of each limit ring and the middle, the other side of the limiting ring is provided with a rubber sleeve, the inner side of the rubber sleeve is completely attached to the outer side of the end part of the connecting rod, the middle parts of the two ends of the two buffer plates are fixedly provided with waterproof side plates, the middle parts of the two waterproof side plates are fixedly provided with a bottom sealing plate, the water seepage plate is made of memory metal, the surface of the water seepage plate is uniformly provided with a plurality of filter holes, the bottom surface of the inner side of the diversion trench is uniformly provided with a plurality of diversion holes, the material of the second diversion plate is elastic material, the upper surface of the first diversion plate is provided with a bulge, the lower surface of the first diversion plate is provided with a first concave part, the upper surface of the second diversion plate is provided with a second bulge, the lower surface of the second diversion plate is provided with a second concave part, the second bulge is matched with the first concave part, a sealed cavity is formed between the second concave part, a blocking device is arranged on the upper surface of the second guide plate and on one side, which is closer to the waterproof side plate relative to the buffering power generation device, of the limiting ring, the limiting ring extends upwards and penetrates through the buffer plate, a fan is arranged above the buffer plate and between the limiting ring and the connecting spring, the fan is provided with an upward first air port and a horizontal second air port, the limiting ring comprises a first part and a second part, the first part is positioned inside the buffer plate, the second part is positioned outside the buffer plate, the second air port is opposite to the second part, the second part is in an arc shape, a concave part in the arc shape faces one side of the connecting spring, the buffering power generation device comprises a bottom barrel, a containing part inside the bottom barrel, a power generation spring in the containing part, a buffer spring at the bottom of the bottom barrel, a movable column positioned on the buffer spring and a pressing plate above the movable column, the movable column is internally provided with a magnet, and the blocking device comprises a baffle and a return spring.

Preferably, the surfaces of the two sides of the anti-seepage connecting plate are respectively fixedly provided with a protruding edge strip, and the sides of the anti-seepage connecting plate and the protruding edge strips are respectively positioned inside the side faces of the connecting blocks.

Preferably, the waterproof side plate and the bottom sealing plate are made of rubber, and the connection gaps around the waterproof side plate and the bottom sealing plate are filled with waterproof adhesives.

Preferably, the upper end and the lower end of the connecting block are provided with fixing holes, and the connecting block is fixed with the bridge main body and the buffer plate through bolts.

Preferably, the two sides of the water seepage plate are completely attached to one side of the upper end of the connecting block, and the water seepage plate and the connecting block are fixed through welding.

Compared with the prior art, the invention has the beneficial effects that:

1. in the invention, when accumulated water exists on the surface of the bridge body in rainy days or flows to the water seepage plate, rainwater and the accumulated water can firstly permeate downwards along the filter holes on the surface of the water seepage plate, the water seepage plate can filter leaves or other impurities doped in the accumulated water after rainwater in the permeation process, so that the leaves or the impurities are prevented from being accumulated between the gap devices of the two bridge bodies to cause blockage of the gaps between the devices and the bridge body and influence the overall performance of the bridge, the water flow can be shunted and dredged by the guide groove on the surface of the first guide plate with the moving inclination after permeating along the water seepage plate, so that the water flow flows to the two ends of the second guide plate along the guide groove and finally flows to the outer side of the device without entering the interior of the device, when the water flow is large, the diversion holes on the inner side of the guide groove can dredge a part of the water flow to the surface of the second guide plate to ensure that the, the performance of the overall evacuation water flow of the device is further enhanced, and the two sides and the bottom surface of the device are hermetically connected by the waterproof side plates and the bottom sealing plate, so that the water flow can be further ensured not to enter the device, the water flow can be guided by dispersion of the water flow, the water flow is prevented from entering the device and the device is integrally hermetically connected by the waterproof side plates and the bottom sealing plate, the device can be ensured to be wholly sealed, the device can not accumulate water, and internal components can not be corroded;

2. according to the invention, the connecting spring, the rubber sleeve, the memory metal buffer plate, the rubber waterproof side plate, the bottom sealing plate and the memory metal water seepage plate are arranged on the device, so that the device has good elastic performance, can be elastically deformed along with a bridge, can be adapted to the change of the bridge, can be quickly restored, cannot be easily damaged, and can be freely stretched, firm and reliable.

3. The invention can well cool or not cool the spacing ring and the memory metal connected with the spacing ring through the matching of the first guide plate, the second guide plate, the spacing ring, the fan, the first air port, the second air port, the buffer power generation device, the bottom cylinder, the containing part, the power generation spring, the pressing plate, the buffer spring, the blocking device, the baffle plate, the reset spring and the like, promotes the quick recovery, can generate power through the buffer power generation device for supplying power to the fan and the like, can block and promote the second guide plate to deform under the condition of slow water flow by matching with the second guide plate, the blocking device above the second guide plate and the like, ensures that the buffer power generation can generate power, can ensure that the water flow has enough water quantity to wash the lower part after being blocked so as to reduce the deposition of silt and the like, and can inflate the cavity through the action of the fan when the blockage, make the second guide plate progressively be close to first guide plate, thereby can make the inside water of cavity between first and the second guide plate extrude in order to realize clear spot, simultaneously because the water pressure of the motion drive of second guide plate can make and extrude the first guide plate of top, make the diffluence orifice in the first guide plate receive the extrusion, thereby make debris in the diffluence orifice can be extruded and flow away, even when the gas velocity is very fast, above-mentioned water pressure can also extrude the hole on the infiltration board, make debris on the infiltration board extruded, prevent the jam from the infiltration board. The above is one of the important points of the present invention.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a partial structural view of the present invention as a whole;

FIG. 3 is a schematic view of a buffer plate according to the present invention;

fig. 4 is a cross-sectional view of a second baffle of the present invention;

fig. 5 is a detailed structural sectional view of a second baffle or the like of the present invention;

FIG. 6 is a schematic structural view of a buffer plate, a limit ring, a fan and the like according to the present invention;

FIG. 7 is a schematic structural diagram of a buffer power generation device according to the present invention;

FIG. 8 is a schematic view of a blocking device according to the present invention.

In the figure: 1. a bridge main body; 2. connecting blocks; 3. a buffer plate; 4. a waterproof side plate; 5. a water seepage plate; 6. a first baffle; 7. a diversion trench; 8. a shunt hole; 9. a second baffle; 10. an anti-seepage connecting plate; 11. a connecting spring; 12. a bottom seal plate; 13. a connecting rod; 14. a memory metal buffer plate; 15. a rubber sleeve; 16. a limiting ring; 17. a fan; 18. a first tuyere; 19. a second tuyere; 20. a buffer power generation device; 201. a bottom cylinder; 202. an accommodating portion; 203. a power generation spring; 204. pressing a plate; 205. a buffer spring; 21. a blocking device; 211. a baffle plate; 212. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 4, an embodiment of the present invention includes: a waterproof and leakproof flexible bridge expansion joint device comprises a bridge main body 1, wherein the bridge main body 1 is provided with two connecting blocks 2, one end of the bridge main body 1 is fixedly provided with a connecting block 2, the middle of the two connecting blocks 2 is fixedly provided with a water seepage plate 5, two first guide plates 6 are uniformly arranged below the water seepage plate 5, the surface of each first guide plate 6 is uniformly provided with a plurality of guide grooves 7 which can rapidly disperse and guide accumulated water to prevent the accumulated water from entering the device and causing corrosion to internal components, a second guide plate 9 is arranged below the two first guide plates 6, an anti-seepage connecting plate 10 is fixedly arranged on the bottom surface of the second guide plate 9, two buffer plates 3 are uniformly arranged below the anti-seepage connecting plate 10, a plurality of connecting springs 11 are uniformly and movably arranged in the middle of the two buffer plates 3, and a connecting rod 13 is movably arranged in the middle of the connecting springs, the equal fixed mounting in both ends tip of connecting rod 13 has the spacing ring, memory metal buffer board 14 is installed with the centre of buffer board 3 to one side of spacing ring, can be so that the bridge when changing, the device can inside can carry out elastic buffer and warp, a change that adapts to the bridge, the opposite side of spacing ring is provided with rubber sleeve 15, the inboard of rubber sleeve 15 is laminated completely with the tip outside of connecting rod 13, equal fixed mounting has waterproof curb plate 4 in the middle of the both ends of two buffer boards 3, the middle fixed mounting of two waterproof curb plates 4 has bottom closing plate 12.

Furthermore, the surfaces of two sides of the anti-seepage connecting plate 10 are all fixedly provided with protruding edgings, and the sides of the anti-seepage connecting plate 10 and the protruding edgings are both positioned inside the side face of the connecting block 2.

Through adopting above-mentioned technical scheme, the protruding strake that is located the inside prevention of seepage connecting plate 10 side surface in connecting block 2 side can prevent rainwater or ponding to continue infiltration downwards, avoids connecting spring 11 and connecting rod 13 corrosion.

Further, the waterproof side plate 4 and the bottom sealing plate 12 are made of rubber, and the connection gaps around the waterproof side plate 4 and the bottom sealing plate 12 are filled with waterproof adhesive.

Through adopting above-mentioned technical scheme, rubber material's waterproof curb plate 4 and bottom closing plate 12 can carry out elastic deformation, adapt to the flexible and deformation of device of bridge, and resume easily, can not damage easily.

Furthermore, the material of infiltration board 5 is memory metal, and the surface of infiltration board 5 evenly is provided with a plurality of and crosses the filtration hole.

Through adopting above-mentioned technical scheme, the infiltration board 5 of memory metal material has fine elastic deformation performance, can warp along with the flexible of bridge, and easy the recovering, can not damage easily, guarantees to use.

Further, the upper end and the lower end of the connecting block 2 are provided with fixing holes, and the connecting block 2 is fixed with the bridge main body 1 and the buffer plate 3 through bolts.

Through adopting above-mentioned technical scheme, conveniently carry out mutual fixed connection, simple, convenient, and conveniently change connecting block 2, bridge main body 1 and connecting block 2, buffer board 3.

Further, a plurality of shunting holes 8 are uniformly formed in the bottom surface of the inner side of the diversion trench 7.

Through adopting above-mentioned technical scheme, flow distribution hole 8 is convenient for shunt the rivers that will trickle in guiding gutter 7 inside, falls on 9 surfaces of second guide plate and shunts, strengthens holistic ponding shunting performance, carries out the water conservancy diversion fast with rivers.

Furthermore, the both sides of infiltration board 5 laminate completely with connecting block 2's upper end one side, and infiltration board 5 passes through welded fastening with connecting block 2.

Through adopting above-mentioned technical scheme, the welding has strengthened the connection performance and the stability ability of infiltration board 5 and connecting block 2, has fine mechanical strength for infiltration board 5 can not drop easily with connecting block 2.

When the device is used, when accumulated water flows to the water seepage plate 5 in rainy days or on the surface of the bridge main body 1, rainwater and the accumulated water can firstly permeate downwards along the filter holes on the surface of the water seepage plate 5, the water seepage plate 5 can filter leaves or other impurities doped in the accumulated water after the rainwater in the permeation process, the situation that the leaves or the impurities are accumulated between the two devices of the bridge main body 1 and cause blockage of the gaps between the devices and the bridge main body 1 and influence the overall performance of the bridge is avoided, the water can be shunted and dredged by the diversion trench 7 on the surface of the first diversion plate 6 with the moving inclination after permeating along the water seepage plate 5, so that the water flows to the two ends of the second diversion plate 9 along the diversion trench 7 and finally flows to the outer side of the device without entering the device, when the water flow is large, the diversion holes 8 on the inner side of the diversion trench 7 can dredge a part of the water to the surface of the second diversion plate 9, make second guide plate 9 carry out the reposition of redundant personnel sparse, further strengthen the holistic sparse rivers' of device performance, and device both sides and bottom surface are carried out sealing connection by waterproof curb plate 4 and bottom closing plate 12, can further guarantee inside rivers can not the access to equipment, can be through the dispersion water conservancy diversion to rivers, avoid inside rivers access to equipment and use waterproof curb plate 4 and bottom closing plate 12 with the whole sealing connection of device, can guarantee that the device is whole to be in sealedly, guarantee that the device can not ponding, the internals can not cause the corrosion.

In practical application, the above scheme of the present invention has a good effect, but still has a room for improvement, because in practical application, the memory alloy material can usually realize a good memory recovery function due to a change in temperature, and usually needs to be quickly recovered in a cooling situation, while in an actual road, it is usually not expected that the gap is always in a compressed situation, and the like, and the actually expected gap can be quickly recovered to an initial gap state, and in an actual rain process, more impurities such as leaves and the like usually appear in the gap, and deposition of sludge and the like also easily appears, due to the appearance of the above impurities, the drainage effect is influenced to a certain extent, if water cannot be drained smoothly, the accumulated water on the road easily causes potential safety hazards such as vehicle skidding and the like, and the actual application places are also different to a certain extent, in order to comprehensively solve the technical problems and simultaneously solve the technical problems by using a complete and matched scheme, the following specific schemes are adopted: the second guide plate 9 is made of an elastic material, the elastic material allows the second guide plate 9 to deform under the gravity of a certain amount of water, the deformation can compress the subsequent buffer power generation device 20, the upper surface of the first guide plate 6 is provided with a convex part, the lower surface of the first guide plate 6 is provided with a first concave part, the upper surface of the second guide plate 9 is provided with a second convex part, the lower surface of the second guide plate 9 is provided with a second concave part, the second convex part is matched with the first concave part, so that the second convex part can be completely matched with the first concave part when the second guide plate 9 moves upwards, the extrusion pressure is increased by the extrusion of water, on one hand, the pressure can better enable sludge and the like in a path to be smoothly discharged under larger pressure, and meanwhile, the diversion holes 8 on the first guide plate can be extruded, so that the water moves upwards through the diversion holes 8, the sundries in the diversion holes 8 are blocked and removed, meanwhile, when the pressure is enough, the holes in the water seepage plate 5 can be smoothly extruded, the blockage on the water seepage plate 5 is removed, the second concave part and the anti-seepage connecting plate 10 form a sealed cavity, a plurality of buffering power generation devices 20 are uniformly arranged in the cavity, and through the arrangement of the sealed cavity, on one hand, the second guide plate 9 has an elastic buffering space and can simultaneously receive the effect of a first air port of a fan 17, so that the pressure in the sealed cavity is increased, the second guide plate 9 can upwards deform, and when needed, air can be pumped, so that the second guide plate 9 can downwards deform, the cavity between the first guide plate and the second guide plate has changed pressure through vertical deformation, sludge and sundries are further removed, the upper surface of the second guide plate 9 is closer to the waterproof side plate 4 than the buffering power generation devices 20, and the upper surface of the second guide plate can be closer to the waterproof side plate 4 One side is provided with a blocking device 21, power can be generated by utilizing the power of water flow through a buffer power generation device 20, the limit ring 16 extends upwards and penetrates through the buffer plate 3, a fan 17 is arranged above the buffer plate 3 and between the limit ring 16 and the connecting spring 11, the fan is provided with an upward first air opening 18 and a horizontal second air opening 19, the limit ring 16 comprises a first part positioned inside the buffer plate 3 and a second part positioned outside the buffer plate 3, the second air opening 19 is over against the second part, the second part is in an arc shape, the concave part in the arc shape faces one side of the connecting spring 11, so that the fan 17 can well cool the limit ring 16, and here, it is required to be explained that the material of the limit ring 16 is selected to be a high heat conduction material, so that a good heat flow path can be smoothly formed between the memory metal plate 14 and the limit ring 16, the buffer power generation device 20 comprises a bottom barrel 201, a containing part 202 inside the bottom barrel 201, a power generation spring 203 in the containing part 202, a buffer spring 205 at the bottom of the bottom barrel 201, a movable column on the buffer spring 205 and a pressing plate 204 above the movable column, wherein a magnet is arranged in the movable column, the blocking device 21 comprises a baffle 211 and a return spring 212, so that through the matching of the power generation device and the blocking device, make under the less condition of water yield, carry out certain stopping to water through blocking device 21, should block the back, can make the water yield on second guide plate 9 increase gradually, gravity also increases gradually, thereby can carry out extrusion deformation to second guide plate 9, make power generation facility generate electricity, reach the certain degree back at rivers simultaneously, baffle 211 can extrude reset spring, make rivers flow away, thereby reduce the weight of water, make buffer spring 205 reset, generate electricity once more, the above-mentioned process is incessant going on. Therefore, through the cooperation of the structure, the limiting ring and the memory metal connected with the limiting ring can be well cooled or not cooled, rapid recovery is promoted, meanwhile, power can be generated through the buffering power generation device and used for supplying power to fans and the like, the second guide plate and the blocking device above the second guide plate are matched, the second guide plate can be blocked under the condition of slow water flow so as to promote the deformation of the second guide plate, so that the buffering power generation can be realized, the water flow can have enough water quantity to wash the lower part after being blocked so as to reduce the deposition of silt and the like, when blockage occurs, the cavity can be inflated through the action of the fan, so that the second guide plate is gradually close to the first guide plate, water in the cavity between the first guide plate and the second guide plate can be extruded to realize clear stains, and meanwhile, the water pressure driven by the movement of the second guide plate can extrude the first guide plate above, make the diffluence vent in the first guide plate receive the extrusion to make debris in the diffluence vent can be extruded and flow away, even when the gas velocity is very fast, above-mentioned water pressure can also extrude the hole on the infiltration board, make debris on the infiltration board extruded, prevent from the jam of infiltration board. The above is one of the important points of the present invention.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.