Composite waterproof leaking stoppage structure for deformation joint

Abstract

The invention discloses a deformation joint composite waterproof leaking stoppage structure, and relates to the technical field of building construction, the deformation joint composite waterproof leaking stoppage structure comprises buildings and a deformation joint arranged between the buildings, the deformation joint composite waterproof leaking stoppage structure is characterized in that mounting grooves are formed in the two sides of the deformation joint, fixing blocks are arranged in the mounting grooves, and embedded fixing grooves are formed in the fixing blocks; a connecting plate is arranged between the fixing blocks, the two sides of the connecting plate are provided with built-in protrusions corresponding to the built-in grooves, and the built-in protrusions can be inserted into the built-in grooves. A waterproof mechanism is arranged in the deformation joint; the cover plate is arranged on the outer side of the deformation joint, the cover plate is used for preliminary water prevention, then the connecting plate is used for water prevention, water permeating into the deformation joint is blocked in the waterproof mechanism through the waterproof mechanism, and effective and thorough water prevention and leaking stoppage are achieved through multiple waterproof measures.

Description

Technical Field

[0001] The present application relates to the technical field of building construction, and in particular to a composite waterproof plugging structure for a deformation joint. Background Art

[0002] Buildings often deform due to temperature, humidity, vibration and other reasons, which may cause cracks or even destruction of the building, resulting in safety accidents. Therefore, deformation joints are set in the building. Deformation joints are structural joints reserved for building deformation. Deformation joints usually need to be waterproofed to prevent water from directly flowing into the deformation joints and penetrating into the building, causing problems such as outer wall falling off and cracking.

[0003] With respect to the above-mentioned related technologies, the existing expansion joint waterproofing treatment may leak when facing a large amount of water, thus causing water intrusion and damage to the building. Summary of the invention

[0004] The purpose of the present application is to provide a composite waterproof plugging structure for a deformation joint to improve the problem of insufficient waterproofing effect of existing deformation joints.

[0005] The present application provides a composite waterproof plugging structure for expansion joints using the following technical solutions: A composite waterproof plugging structure for expansion joints includes buildings and expansion joints arranged between buildings, installation grooves are arranged on both sides of the expansion joint, fixing blocks are arranged in the installation grooves, the fixing blocks are provided with embedded grooves, connecting plates are arranged between the fixing blocks, embedded protrusions are arranged on both sides of the connecting plates corresponding to the embedded grooves, and the embedded protrusions can be inserted into the embedded grooves; a plurality of fixing protrusions are arranged on both sides of the embedded protrusions, a plurality of fixing grooves are arranged in the embedded grooves corresponding to the fixing protrusions, and the fixing protrusions can be inserted into the fixing grooves; a cover plate is arranged on the outside of the expansion joint; and a waterproof mechanism is arranged in the expansion joint.

[0006] By adopting the above technical scheme, installation grooves are provided on both sides of the deformation joint, and fixing blocks are installed in the installation grooves, and embedded grooves are provided on the fixing blocks; a connecting plate is provided between the fixing blocks on both sides, and an embedded protrusion is provided on one side of the connecting plate that is attached to the fixing block, and the connecting plate is fixed by inserting the embedded protrusion into the embedded groove; at the same time, fixing protrusions are provided on both sides of the embedded protrusion, and fixing grooves are provided in the embedded groove corresponding to the fixing protrusions. When the embedded protrusions are inserted into the embedded grooves, the fixing protrusions are also inserted into the fixing grooves, so that the fixing of the connecting plate is more stable; and a cover plate is fixedly installed on the outside of the deformation joint, and the cover plate can be used for preliminary waterproofing, which can isolate most of the water, and part of the water flowing into the deformation joint from the cover plate will be blocked by the connecting plate, further reducing the water infiltrating into the deformation joint; a waterproof mechanism is provided in the deformation joint, which can collect water that has infiltrated the connecting plate in the waterproof mechanism to prevent water from further infiltrating into the building; through multiple waterproof measures, water is effectively isolated to prevent water from flowing into the deformation joint.

[0007] Preferably, the fixing block is provided with a plurality of fixing holes 1, the connecting plate is provided with fixing holes 2 corresponding to the fixing holes, the mounting groove is provided with fixing holes 3 corresponding to the fixing holes 1, and fixing pins are provided in the fixing holes 1, 2 and 3.

[0008] By adopting the above technical solution, a plurality of fixing holes 1 are provided in the fixing block, and fixing holes 2 are provided on the connecting plate corresponding to the fixing holes 1. At the same time, fixing holes 3 are provided on the mounting groove corresponding to the fixing holes 1. At this time, the fixing pins are passed through the fixing holes 1 and 2 and inserted into the fixing holes 3, so that the fixing block is fixed on the mounting groove, so that the connecting plate can be stably fixed on the fixing block, and the fixing block, the connecting plate and the mounting groove can be tightly fitted together, thereby improving the waterproofness of the connecting plate; at the same time, the fixing pins can also provide certain support for the cover plate to prevent the cover plate from being deformed when the water volume is large.

[0009] Preferably, a placement groove is provided on one side of the fixing hole that is in contact with the connecting plate, a magnetic part is provided in the placement groove, and the magnetic part is provided with a connecting hole for the fixing pin to pass through.

[0010] By adopting the above technical solution, a placement groove is set on one side of the connecting plate that is in contact with the fixing hole one, and a magnetic part is installed in the placement groove. At the same time, a connecting hole for the fixing pin to pass through is set in the magnetic part. When installing the fixing pin, the magnetic force of the magnetic part can assist the fixing pin in positioning to the fixing hole one, thereby improving the installation efficiency. At the same time, the magnetic force of the magnetic part can adsorb the connecting plate, thereby making the connection between the connecting plate and the fixing block tighter and more stable.

[0011] Preferably, the waterproof mechanism includes a filter plate and a water stop plate, and positioning groove one and positioning groove two are provided on both sides of the deformation joint. The filter plate is arranged between the deformation joints through positioning groove one, and the water stop plate is arranged between the deformation joints through positioning groove two; the filter plate and the water stop plate are both provided with bending allowance.

[0012] By adopting the above technical scheme, the waterproof mechanism includes a filter plate and a waterstop plate. The filter plate is installed between the deformation joints through a positioning groove, and the waterstop plate is installed between the deformation joints through a positioning groove. The filter plate can be used to filter out impurities mixed in the water, so that water and impurities can be relatively separated, which is convenient for subsequent cleaning; the waterstop plate is made of impermeable material and can gather water on the waterstop plate, which is convenient for unified collection and cleaning of water; the bending allowances set on the filter plate and the waterstop plate are used to prevent the filter plate and the waterstop plate from being tightened or even falling off when the building is deformed.

[0013] Preferably, both ends of the water stop plate in the second positioning groove are provided with a plurality of limiting protrusions, and limiting grooves are provided in the second positioning groove corresponding to the limiting protrusions, and the limiting protrusions can be inserted in the limiting grooves.

[0014] By adopting the above technical solution, a number of limiting protrusions are provided on the part of the water stop plate inserted into the positioning groove, and a limiting groove is provided in the positioning groove 2 corresponding to the limiting protrusions. The water stop plate is inserted into the limiting groove through the limiting protrusions, so that the water stop plate is fixed more firmly, so that the water stop plate can carry more water without leaving the deformation joint.

[0015] Preferably, the connecting plate is provided with a plurality of drainage grooves.

[0016] By adopting the above technical solution, a number of V-shaped drainage grooves are provided on the connecting plate, and the water blocked on the connecting plate will be collected in the drainage grooves, which is convenient for centralized cleaning and discharge; and compared with the accumulated water in the scattered situation, concentrating the water in the drainage grooves can reduce the water that continues to penetrate into the deformation joints; at the same time, the drainage grooves can also provide a certain amount of deformation for the connecting plate, so as to avoid deformation and damage of the connecting plate when the building is deformed.

[0017] Preferably, a connecting ring is provided on one side of the drainage groove close to the filter plate, a connecting rope is provided between the connecting ring and the filter plate, one end of the connecting rope is connected to the connecting ring, and the other end is fixedly connected to the filter plate.

[0018] By adopting the above technical solution, a connecting ring is installed on the side of the drainage trough close to the filter plate, and a connecting rope is arranged in the connecting ring. One end of the connecting rope is connected to the connecting ring, and the other end is fixedly connected to the filter plate. The connecting rope is used to assist in fixing the filter plate, thereby improving the load-bearing capacity of the filter plate.

[0019] Preferably, a pumping device is provided outside the deformation joint, and the pumping device is provided with a pumping pipe, and the pumping pipe passes through the cover plate, the connecting plate, the filter plate to the surface of the water stop plate.

[0020] By adopting the above technical solution, the pumping device can pump out the water collected on the waterstop plate through the pumping pipe, which can more easily clean the water on the waterstop plate. At the same time, the cleaning efficiency of the pumping device is higher, avoiding excessive water accumulation on the waterstop plate.

[0021] Preferably, a confluence groove is provided on one side of the water stop plate close to the water pumping pipe.

[0022] By adopting the above technical solution, a collection groove is set on the side of the water stop plate close to the pumping pipe, and the pumping pipe can be inserted into the collection groove. The water on the water stop plate first gathers in the collection groove, which is convenient for the pumping pipe to extract the water on the water stop plate. At the same time, the pumping pipe inserted into the collection groove can pump water more stably, thereby improving the pumping efficiency.

[0023] Preferably, a guide plate is provided at the connection between the water pumping pipe and the cover plate.

[0024] By adopting the above technical solution, a guide plate is arranged at the connection between the water pumping pipe and the cover plate, and the guide plate can prevent water from penetrating into the deformation joint from the connection between the water pumping pipe and the cover plate.

[0025] In summary, the present application includes at least one of the following beneficial technical effects: 1. A cover plate is provided on the expansion joint, a connecting plate is provided between the expansion joints, and a waterproof mechanism is provided in the expansion joint; the cover plate is used for preliminary waterproofing, and then the connecting plate is used to block the water flowing into the cover plate. Finally, the waterproof mechanism collects the water that penetrates from the connecting plate. Multiple waterproof measures prevent water from flowing into the building; 2. The waterproof mechanism includes a filter plate and a water stop plate. The filter plate is fixed between the deformation joints through the first positioning groove, and the water stop plate is fixed between the deformation joints through the second positioning groove, which can separate impurities in the water and facilitate cleaning. At the same time, the filter plate and the water stop plate are provided with bending allowances to prevent the filter plate and the water stop plate from falling off when the building is deformed; 3. A pumping device is arranged outside the expansion joint, and the water on the waterstop plate is pumped out of the expansion joint through the pumping pipe which runs through the cover plate, the connecting plate and the filter plate, making it easier to clean the water collected on the waterstop plate. At the same time, a confluence groove is arranged on the waterstop plate to facilitate the pumping pipe to extract the accumulated water. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of a composite waterproof leak-stopping structure of a deformation joint in the present application.

[0027] Figure 2 yes Figure 1 Enlarged view of part A in .

[0028] Figure 3 It is a partial cross-sectional schematic diagram used to show the internal structure of the expansion joint.

[0029] Figure 4 yes Figure 3 Enlarged view of part B in the figure.

[0030] In the figure, 1, building; 2, expansion joint; 21, installation groove; 22, fixing block; 221, embedded groove; 2211, fixing groove; 222, fixing hole one; 223, placement groove; 224, magnetic piece; 2241, connecting hole; 23, fixing hole three; 24, positioning groove one; 25, positioning groove two; 251, limiting groove; 3, connecting plate; 31, embedded protrusion; 311, fixing protrusion; 32, fixing hole two; 33, drainage groove; 34, connecting ring; 341, connecting rope; 4, cover plate; 5, waterproof mechanism; 51, filter plate; 52, water stop plate; 521, limiting protrusion; 522, confluence groove; 53, bending allowance; 6, fixing pin; 7, pumping device; 71, pumping pipe, 711, guide plate. DETAILED DESCRIPTION

[0031] The following is combined with Figure 1 -Attached Figure 4 , further details of this application are given.

[0032] A composite waterproof plugging structure for deformation joints, referring to Figure 1 , including a building 1, a deformation joint 2 is arranged between the buildings 1, and installation grooves 21 are arranged on both sides of the deformation joint 2, and a fixing block 22 is installed in the installation groove 21, and an embedding groove 221 is arranged on the side of the fixing block 22 away from the installation groove 21; a connecting plate 3 is arranged between the fixing blocks 22, and an embedding protrusion 31 is arranged on the side of the connecting plate 3 that is in contact with the fixing block 22, and the connecting plate 3 is fixed by inserting the embedding protrusion 31 into the embedding groove 221; at the same time, a plurality of fixing protrusions 311 are arranged on both sides of the embedding protrusion 31, and a fixing groove 2211 is arranged in the embedding groove 221 corresponding to the fixing protrusion 311, and when the embedding protrusion 31 is inserted into the embedding groove 221, the fixing protrusion 31 1 will be inserted into the fixing groove 2211, so that the embedding protrusion 31 is more firmly fixed in the embedding groove 221, so that the fixing of the connecting plate 3 is more firmly; a cover plate 4 is installed and fixed on the deformation joint 2, and a waterproof mechanism 5 is arranged inside the deformation joint 2. The cover plate 4 can perform preliminary waterproofing to block most of the accumulated water outside the deformation joint 2. Then the connecting plate 3 can block part of the water infiltrating from the cover plate 4, further reducing the accumulated water infiltrating into the deformation joint 2. Finally, the waterproof mechanism 5 is used to collect all the infiltrated water in the waterproof mechanism 5 to prevent water from continuing to infiltrate. Through the waterproofing of the cover plate 4, the connecting plate 3, and the waterproof mechanism 5, multiple waterproof measures can effectively prevent water from infiltrating into the deformation joint 2 and the building 1.

[0033] Reference Figure 1 , the fixing block 22 is provided with a fixing hole 1 222, the connecting plate 3 is provided with a fixing hole 2 32 corresponding to the fixing hole 1 222, and at the same time, a fixing hole 3 23 is provided at the position of the mounting groove 21 corresponding to the fixing hole 1 222. At this time, the fixing pin 6 is passed through the fixing hole 2 32 and the fixing hole 1 222 is inserted into the fixing hole 3 23, so that the fixing block 22 is fixed in the mounting groove 21, and at the same time, the connecting plate 3 can be more stably and tightly fixed on the fixing block 22, thereby improving the waterproof effect of the connecting plate 3; and the part of the fixing pin 6 higher than the connecting plate 3 can provide a certain support for the cover plate 4, reducing the cover plate 4 from being waterlogged The possibility of bending is reduced, making the cover plate 4 more stable; a placement groove 223 is arranged on the side of the fixing hole 222 close to the connecting plate 3, and a magnetic member 224 is installed in the placement groove 223. The magnetic member 224 is a magnet, and a connecting hole 2241 through which the fixing pin 6 passes is arranged on the magnetic member 224. When installing the fixing pin 6, the magnetic force of the magnetic member 224 can be used to quickly locate the fixing hole 222, thereby improving the installation efficiency and making the installation of the fixing pin 6 more stable; at the same time, the magnetic member 224 will also adsorb the connecting plate 3, so that the connection between the connecting plate 3 and the fixing block 22 is more tightly connected.

[0034] Reference Figure 3 The waterproof mechanism 5 includes a filter plate 51 and a water stop plate 52. A positioning groove 1 24 and a positioning groove 25 are provided on both sides of the deformation joint 2. The filter plate 51 is fixed in the deformation joint 2 through the positioning groove 1 24, and the water stop plate 52 is fixed in the deformation joint 2 through the positioning groove 25; the filter plate 51 can filter out impurities mixed in the accumulated water, and the water stop plate 52 collects the filtered water on the water stop plate 52, so that the impurities are separated from the water, which is convenient for subsequent cleaning; at the same time, the filter plate 51 and the water stop plate 52 are both provided with a bending allowance 53 to prevent the filter plate 51 and the water stop plate 52 from being tightened due to the deformation of the building 1, resulting in cracking or falling off, causing the waterproof mechanism 5 to fail; a plurality of limiting protrusions 521 are provided at both ends of the water stop plate 52 inserted into the positioning groove 25, and a limiting groove 251 is provided in the positioning groove 25 corresponding to the limiting protrusion 521. By inserting the limiting protrusion 521 into the limiting groove 251, the water stop plate 52 is fixed more firmly, thereby improving the bearing capacity of the water stop plate 52.

[0035] Reference Figure 1Two drainage grooves 33 are provided on the connecting plate 3, and the drainage grooves 33 can collect the water on the connecting plate 3 in the drainage grooves 33, which is convenient for subsequent centralized cleaning and discharge of the accumulated water on the connecting plate 3; at the same time, the water is concentrated in the drainage grooves 33, which can reduce the moisture that continues to penetrate into the deformation joint 2; and the setting of the drainage grooves 33 can provide a certain deformation amount for the connecting plate 3 to avoid the connecting plate 3 being squeezed and stretched and damaged when the building 1 is deformed; at the same time, a plurality of connecting rings 34 are installed on one side of the drainage grooves 33 close to the filter plate 51, and a connecting rope 341 is installed between the connecting ring 34 and the filter plate 51, one end of the connecting rope 341 is fixed on the connecting ring 34, and the other end is connected to the filter plate 51, the connecting rope 341 can assist in fixing the filter plate 51, and the bearing capacity and stability of the filter plate 51 are improved by the connecting rope 341.

[0036] Reference Figure 3 A pumping device 7 is installed outside the deformation joint 2, and a pumping pipe 71 is arranged on the pumping device 7. The pumping pipe 71 penetrates the cover plate 4, the connecting plate 3, and the filter plate 51 and is inserted into the surface of the water stop plate 52. The pumping device 7 can be used to pump the water accumulated on the water stop plate 52 out of the deformation joint 2, so that the accumulated water on the water stop plate 52 can be cleaned more easily, and the cleaning efficiency of the pumping device 7 is high, so that too much accumulated water can be avoided on the water stop plate 52; at the same time, the water stop plate A confluence groove 522 is provided on the side of 52 close to the pumping pipe 71, so that the water on the water stop plate 52 will be concentrated on the confluence groove 522, and the pumping pipe 71 can be inserted into the confluence groove 522, which can more conveniently pump out the accumulated water from the water stop plate 52, and the pumping pipe 71 inserted into the confluence groove 522 for pumping water will also be more stable; a guide plate 711 is provided at the connection between the pumping pipe 71 and the cover plate 4 to prevent water from flowing into the deformation joint 2 from the connection between the pumping pipe 71 and the cover plate 4.

[0037] The implementation principle of the embodiment of the present application is: A cover plate 4 is installed on the outer side of the deformation joint 2, and the cover plate 4 can be preliminarily waterproofed to prevent most water from entering the deformation joint 2; two installation grooves 21 are respectively provided on both sides of the deformation joint 2, and a fixing block 22 is installed in the installation groove 21, and an embedding groove 221 is provided on the fixing block 22, and then the embedding protrusion 31 on the connecting plate 3 is inserted into the embedding groove 221 for fixing, and at the same time, the fixing protrusion 311 on the embedding protrusion 31 is inserted into the fixing groove 2211 in the embedding groove 221, so that the connecting plate 3 is stably fixed on the fixing block 22; and Two drainage grooves 33 are arranged on the connecting plate 3, so that the accumulated water blocked by the connecting plate 3 can be collected in the drainage grooves, which is convenient for collecting the water on the connecting plate 3 for cleaning and discharge. At the same time, the drainage grooves 33 can provide a certain deformation amount for the connecting plate 3 to avoid damage to the connecting plate 3 when the building 1 is deformed; the connecting plate 3 and the fixing block 22 are fixed on the installation groove 21 by the fixing pin 6 passing through the fixing hole 1 222 and the fixing hole 2 32, and inserted into the fixing hole 3 23; and the fixing pin 6 can also provide a certain support for the cover plate 4 to avoid the cover plate 4 being bent and damaged by the accumulated water.

[0038] A positioning groove 1 24 and a positioning groove 25 are provided on both sides of the deformation joint 2. The waterproof mechanism 5 includes a filter plate 51 and a water stop plate 52. The filter plate 51 is fixed by the positioning groove 1 24, and the water stop plate 52 is fixed by the positioning groove 25. When the accumulated water seeps in, the filter plate 51 can filter the impurities mixed in the water, and the filtered water accumulates on the water stop plate 52 to separate the water from the impurities, which is convenient for subsequent cleaning; both ends of the water stop plate 52 inserted into the positioning groove 25 are provided with a limiting protrusion 521. By inserting the limiting protrusion 521 into the limiting protrusion in the positioning groove 25, the limiting protrusion 521 can be removed. In the groove 251, the water stop plate 52 can be more firmly fixed in the deformation joint 2, thereby improving the bearing capacity of the water stop plate 52; a connecting ring 34 is installed on the side of the drainage groove close to the filter screen, and a connecting rope 341 is provided on the connecting ring 34, and the connecting rope 341 is connected and fixed to the filter screen at the same time. The connecting ring 34 and the connecting rope 341 are used to assist in fixing the filter plate 51, thereby improving the bearing capacity of the filter plate 51; and the filter plate 51 and the water stop plate 52 are both provided with deformation allowances to prevent the filter plate 51 and the water stop plate 52 from being damaged and falling off due to deformation of the building 1.

[0039] A pumping device 7 is installed on the outside of the deformation joint 2, and a pumping pipe 71 is installed on the pumping device 7. The pumping pipe 71 runs through the cover plate 4, the connecting plate 3, the filter plate 51 to the confluence groove 522 of the water stop plate 52. The pumping device 7 can be used to pump water on the water stop plate 52 out of the deformation joint 2, making it easier and quicker to clean up the accumulated water and avoid excessive water accumulation on the water stop plate 52. In order to prevent the accumulated water from entering from the connection between the pumping pipe 71 and the cover plate 4, a guide plate 711 is provided at the connection between the pumping pipe 71 and the cover plate 4 for blocking.

[0040] Most of the water is initially blocked by the cover plate 4, and then the water flowing in from the cover plate 4 is blocked by the connecting plate 3. Finally, all the infiltrated water is collected by the filter net and the water stop plate 52 and pumped out by the pumping device 7. Multiple waterproofing measures are used to effectively prevent water from flowing into the deformation joint 2 and the building 1.

[0041] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A composite waterproof plugging structure for expansion joints, comprising a building (1) and an expansion joint (2) arranged between the buildings (1), characterized in that: The deformation joint (2) is provided with mounting grooves (21) on both sides, a fixing block (22) is provided in the mounting groove (21), the fixing block (22) is provided with an embedding groove (221), a connecting plate (3) is provided between the fixing blocks (22), embedding protrusions (31) are provided on both sides of the connecting plate (3) corresponding to the embedding grooves (221), and the embedding protrusions (31) can be inserted into the embedding grooves (221); a plurality of fixing protrusions (311) are provided on both sides of the embedding protrusion (31), a plurality of fixing grooves (2211) are provided in the embedding groove (221) corresponding to the fixing protrusions (311), and the fixing protrusions (311) can be inserted into the fixing grooves (2211); a cover plate (4) is provided on the outside of the deformation joint (2); and a waterproof mechanism (5) is provided in the deformation joint (2).

2. The composite waterproof plugging structure for expansion joints according to claim 1 is characterized by: The fixing block (22) is provided with a plurality of fixing holes (222), the connecting plate (3) is provided with fixing holes (32) corresponding to the fixing holes, the mounting groove (21) is provided with fixing holes (23) corresponding to the fixing holes (222), and fixing pins (6) are provided in the fixing holes (222), the fixing holes (32) and the fixing holes (23).

3. The composite waterproof plugging structure for expansion joints according to claim 2 is characterized by: A placement groove (223) is provided on one side of the fixing hole 1 (222) that is in contact with the connecting plate (3), a magnetic piece (224) is provided in the placement groove (223), and the magnetic piece (224) is provided with a connecting hole (2241) for the fixing pin (6) to pass through.

4. The composite waterproof plugging structure for expansion joints according to claim 1 is characterized by: The waterproof mechanism (5) comprises a filter plate (51) and a water stop plate (52); a first positioning groove (24) and a second positioning groove (25) are provided on both sides of the deformation joint (2); the filter plate (51) is arranged between the deformation joints (2) through the first positioning groove (24); the water stop plate (52) is arranged between the deformation joints (2) through the second positioning groove (25); and the filter plate (51) and the water stop plate (52) are both provided with a bending margin (53).

5. The composite waterproof plugging structure for expansion joints according to claim 4 is characterized by: The two ends of the water stop plate (52) located in the second positioning groove (25) are both provided with a plurality of limiting protrusions (521); corresponding limiting grooves (251) are provided in the second positioning groove (25) to correspond to the limiting protrusions (521); and the limiting protrusions (521) can be inserted into the limiting grooves (251).

6. The composite waterproof plugging structure for expansion joints according to claim 1 is characterized by: The connecting plate (3) is provided with a plurality of drainage grooves (33).

7. The composite waterproof plugging structure for expansion joints according to claim 6 is characterized by: A connecting ring (34) is provided on one side of the drainage groove (33) close to the filter plate (51); a connecting rope (341) is provided between the connecting ring (34) and the filter plate (51); one end of the connecting rope (341) is connected to the connecting ring (33) and the other end is fixedly connected to the filter plate (51).

8. The composite waterproof plugging structure for expansion joints according to claim 1 is characterized by: A water pumping device (7) is provided outside the deformation joint (2), and the water pumping device (7) is provided with a water pumping pipe (71). The water pumping pipe (71) penetrates the cover plate (4), the connecting plate (3), the filter plate (51) to the surface of the water stop plate (52).

9. The composite waterproof plugging structure for expansion joints according to claim 8, characterized in that: A confluence groove (522) is provided on one side of the water stop plate (52) close to the water pumping pipe (71).

10. The composite waterproof plugging structure for expansion joints according to claim 8, characterized in that: A guide plate (711) is provided at the connection between the water pumping pipe (71) and the cover plate (4).

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