CN217439209U - Expansion joint decorative structure for construction - Google Patents

Abstract

The application discloses an expansion joint decoration structure for building construction, which comprises a decoration plate, wherein a building surface layer is fixed on the upper surface of a building base layer, installation grooves are formed in the intersection between the side wall, close to each other, of the two building surface layers and the upper surface of the building surface layer, and sealing assemblies are installed in the two installation grooves together; the sealing assembly comprises a first L-shaped plate arranged in a mounting groove on one side, a second L-shaped plate arranged in a mounting groove on the other side and an anti-seepage rubber sheet fixed on the inner walls of the two mounting grooves, the first L-shaped plate is matched with the side wall of the mounting groove on one side and abuts against one side of the anti-seepage rubber sheet tightly, and the second L-shaped plate is matched with the side wall of the mounting groove on the other side and abuts against the other side of the anti-seepage rubber sheet tightly. This application has strengthened decorative board both sides respectively and two mounting grooves between the leakproofness of being connected, has reduced the probability of a small amount of rainwater by the gap infiltration between decorative board and the mounting groove lateral wall, has reduced building basic unit's probability of weing, is favorable to prolonging building basic unit's life.

Description

An expansion joint decorative structure for building construction

technical field

The utility model relates to the technical field of building decoration, in particular to an expansion joint decoration structure for building construction.

Background technique

Building expansion joints, also known as expansion joints, refer to a structural joint set at an appropriate position along the direction of the construction joints of buildings or structures in order to prevent structural cracks or damage to the structure due to climatic temperature changes (thermal expansion, cold contraction). The expansion joint is to divide the building components above the foundation such as wall, floor, roof (except wooden roof) into two independent parts, so that the building or structure can be horizontally expanded along the long direction. to decorate.

The Chinese invention patent application with publication number CN110388023A discloses an anti-seepage floor expansion joint filling structure, an expansion joint structure and an expansion joint construction process, which relates to the technical field of floor expansion joints and solves the problem of expansion joints in the prior art. The adhesion and performance of the caulking structure and the floor are greatly affected by temperature. The caulking structure includes a through-slot structure and a sealing strip; the through-slot structure includes a bottom plate and a side plate, and the opposite side edges of the bottom plate are respectively The side plate is connected with the corresponding joint wall of the expansion joint. The bottom plate is an elastic metal structure. When the two sides of the bottom plate are pressed towards the inside of the groove cavity, they can move inward to compress the groove cavity; in the groove cavity formed by the bottom plate and the two side plates.

In view of the above-mentioned related technologies, the inventor believes that there are the following defects: in the above solution, only the sealing strip is arranged in the expansion joint, and the adhesive layer is arranged between the sealing strip and the gap of the expansion joint for bonding, and the long-term use After that, the adhesive layer is easy to dry and crack, and rainwater is easy to penetrate from the gap between the sealant strip and the expansion joint, which makes the building base easily damp and shortens the service life of the building base.

Utility model content

In order to solve the above problems, the utility model provides an expansion joint decorative structure for building construction.

The above-mentioned technical purpose of the present utility model is achieved through the following technical solutions: a decorative structure for expansion joints for building construction, comprising a decorative plate for shielding the expansion joints on the building base, and the upper surface of the building base is fixed with two Symmetrically arranged building surface layers, an expansion joint is formed between the two building surface layers, and the intersections between the side walls of the two building surface layers that are close to each other and the upper surface of the building surface layer are provided with decorative panels for installation. installation grooves, two of the installation grooves are jointly installed with a sealing assembly for maintaining the seal between the decorative plate and the side wall of the installation groove;

The sealing assembly includes a first L-shaped plate arranged in one side of the installation groove, a second L-shaped plate arranged in the other side of the installation groove, and an anti-seepage rubber sheet fixed to the inner walls of the two installation grooves. The middle part of the anti-seepage rubber sheet extends into the expansion joint, the first L-shaped plate cooperates with the side wall of the installation groove on one side and abuts one side of the anti-seepage rubber sheet, and the second L-shaped plate is connected to the other side. The side wall of the installation groove fits and abuts against the other side of the anti-seepage rubber sheet.

By adopting the above technical solution, after the installation of the decorative board is completed, the first L-shaped board is matched with the side wall of the installation groove on one side and abuts one side of the anti-seepage rubber sheet, and the second L-shaped board is connected with the installation groove side of the other side. The wall is matched and pressed against the other side of the anti-seepage rubber sheet, thereby enhancing the sealing performance of the connection between the two sides of the decorative panel and the two installation slots. The middle of the anti-seepage rubber sheet extends into the expansion joint, reducing a small amount of rainwater. The probability of infiltration by the gap between the decorative board and the side wall of the installation groove reduces the probability of the building base being damp, and is beneficial to prolong the service life of the building base.

Further, the sealing assembly further includes a U-shaped rubber sheet wrapped around the bottom of the decorative plate and fixed.

By adopting the above technical solution, the U-shaped rubber sheet is made of rubber material and has good elastic properties. The tightness of the connection between the decorative board and the first L-shaped board and the second L-shaped board reduces the probability of rainwater infiltrating through the gaps between the decorative board and the first L-shaped board and between the decorative board and the second L-shaped board , which further improves the moisture-proof effect of the building base.

Further, the side wall of the vertical part of the first L-shaped plate away from the expansion joint is integrally formed with a first convex strip, and the side wall of the installation groove close to the vertical part of the first L-shaped plate is provided with a a first arc-shaped groove matched with the first protruding strip;

The side wall of the vertical part of the second L-shaped plate away from the expansion joint is integrally formed with a second convex strip, and the side wall of the installation groove close to the vertical part of the second L-shaped plate is provided with a second convex strip. The second arc-shaped groove in which the strip fits.

By adopting the above technical solution, the first protruding strip is matched with the first arc-shaped groove, so that part of the anti-seepage rubber sheet enters the first arc-shaped groove, which is beneficial to strengthen the first protruding strip and the first arc-shaped groove The tightness between the second ridges and the second arc-shaped grooves is matched, so that part of the anti-seepage rubber sheet enters the second arc-shaped grooves, which is beneficial to strengthen the gap between the second ridges and the second arc-shaped grooves. Therefore, the sealing performance of the connection between the vertical part of the first L-shaped plate and the side wall of the installation groove on one side and the vertical part of the second L-shaped plate and the side wall of the installation groove on the other side is enhanced.

Further, the bottom surface of the horizontal part of the first L-shaped plate is integrally formed with a third convex strip, and the bottom surface of the installation groove on one side of the first L-shaped plate is provided with a third arc-shaped groove that cooperates with the third convex strip. ;

The bottom surface of the horizontal part of the second L-shaped plate is integrally formed with a fourth convex strip, and the bottom surface of the installation groove on one side of the second L-shaped plate is provided with a fourth arc-shaped groove matched with the fourth convex strip.

By adopting the above technical solution, the third protruding strip cooperates with the third arc-shaped groove and presses against the anti-seepage rubber sheet, and the fourth protruding strip cooperates with the fourth arc-shaped groove and presses against the anti-seepage rubber sheet, thereby enhancing the first The sealing effect between the bottom surface of the horizontal part of the L-shaped plate and the bottom wall of the installation groove on one side and the bottom surface of the horizontal part of the second L-shaped plate and the bottom wall of the installation groove on the other side.

Further, a fifth protruding strip is integrally formed on the side wall of the vertical portion of the first L-shaped plate near the expansion joint, and a sixth protruding strip is integrally formed on the upper surface of the horizontal portion of the first L-shaped plate. The side wall of the vertical part of the second L-shaped plate near the expansion joint is integrally formed with a seventh convex strip, and the upper surface of the horizontal part of the second L-shaped plate is integrally formed with an eighth convex strip.

By adopting the above technical solutions, the fifth and sixth protruding strips cooperate with the decorative panel and fully press against the U-shaped rubber sheet on one side, and the seventh and eighth protruding strips cooperate with the decorative panel and fully press against each other. The U-shaped rubber sheet on the other side further improves the sealing between the mounting plate and the first L-shaped plate and between the mounting plate and the second L-shaped plate, which is beneficial to improve the moisture-proof effect of the expansion joint decorative structure.

Further, a reinforcement mechanism is provided in the expansion joint, the reinforcement mechanism includes a reinforcement component and a drive component, and the reinforcement mechanism includes a first fixing block fixed to the bottom surface of the horizontal portion of the first L-shaped plate, and a first fixing block. A sleeve fixed to the side wall near the middle of the expansion joint, a second fixed block fixed to the bottom surface of the horizontal portion of the second L-shaped plate, and a side wall disposed in the sleeve and close to the first fixed block with the second fixed block The abutting threaded rod is used for driving the threaded rod to move toward the side away from the first fixing block.

By adopting the above technical solution, in order to enhance the moisture-proof effect of the decorative structure of the expansion joint, before installing the decorative board, the staff needs to drive the threaded rod to move towards the side away from the first fixing block through the driving component, so as to make the threaded rod and the sleeve move. It cooperates and fully presses the second fixing block, so that the first fixing block cooperates with the installation groove on one side and fully abuts one side of the anti-seepage rubber sheet, and the second fixing block cooperates with the installation groove on the other side and fully abuts against it. Tighten the other side of the anti-seepage rubber sheet, so that the sealing component can fully exert the sealing effect and improve the moisture-proof effect of the building base.

Further, an annular groove is formed at the intersection between the inner wall of the sleeve and the side wall of the sleeve away from the first fixing block, and the drive assembly includes a bearing fixed with the inner wall of the annular groove, and an inner ring of the bearing. a connecting ring fixed on the side wall away from the first fixing block, an operation plate fixed with the side wall on the side away from the first fixing block of the connecting ring, and a limit rod fixed with the inner wall of the casing, the threaded rod penetrates the operation plate The threaded rod is provided with a limit groove for sliding connection of the limit rod.

By adopting the above technical solution, when the driving component is used to drive the threaded rod to move toward the side away from the first fixing block, the operator needs to rotate the operation panel. The rod cooperates and restricts the circumferential rotation of the threaded rod, so that the threaded rod moves toward the side away from the first fixing block until the end of the threaded rod away from the first fixing block and the second fixing block are close to the first fixing block. When the side wall of the side is pressed tightly, stop rotating the operation panel.

Further, the cross section of the operating panel is circular, and a plurality of operating rods uniformly distributed about the axis of the operating panel are fixed on the side wall of the operating panel.

By adopting the above technical solution, the operator can easily rotate the operation panel through the operation lever, which reduces the difficulty for the operator to rotate the operation panel and facilitates the smooth movement of the threaded rod toward the side away from the first fixing block.

To sum up, the utility model has the following beneficial effects:

1. In this application, after the installation of the decorative board is completed, the first L-shaped board is matched with the side wall of the installation groove on one side and abuts one side of the anti-seepage rubber sheet, and the second L-shaped board is connected with the installation groove side of the other side. The wall is matched and pressed against the other side of the anti-seepage rubber sheet, thereby enhancing the sealing performance of the connection between the two sides of the decorative panel and the two installation slots. The middle of the anti-seepage rubber sheet extends into the expansion joint, reducing a small amount of rainwater. The probability of infiltration by the gap between the decorative board and the side wall of the installation groove reduces the probability of the building base being damp, which is beneficial to prolong the service life of the building base;

2. In this application, the U-shaped rubber sheet is made of rubber material, which has good elastic properties. The decorative plate cooperates with the first L-shaped plate and the second L-shaped The tightness of the connection between the decorative board and the first L-shaped board and the second L-shaped board reduces the probability of rainwater infiltrating through the gaps between the decorative board and the first L-shaped board and between the decorative board and the second L-shaped board , which further improves the moisture-proof effect of the building base;

3. In this application, the first protruding strip is matched with the first arc-shaped groove, so that part of the impermeable rubber sheet enters the first arc-shaped groove, which is beneficial to strengthen the first protruding strip and the first arc-shaped groove. The tightness between the second ridges and the second arc-shaped grooves is matched, so that part of the anti-seepage rubber sheet enters the second arc-shaped grooves, which is beneficial to strengthen the gap between the second ridges and the second arc-shaped grooves. Therefore, the sealing performance of the connection between the vertical part of the first L-shaped plate and the side wall of the installation groove on one side and the vertical part of the second L-shaped plate and the side wall of the installation groove on the other side is enhanced.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the embodiment of the present utility model;

FIG. 2 is a cross-sectional view of an embodiment of the present invention for highlighting a reinforcement assembly;

FIG. 3 is an enlarged schematic view of A in FIG. 2 .

In the figure: 1. Decorative plate; 2. Sealing assembly; 21. The first L-shaped plate; 211, The first convex strip; 22, The second L-shaped plate; 221, The second convex strip; 24. U-shaped rubber sheet; 3. Reinforcement mechanism; 31. Reinforcement component; 311, First fixing block; 312, Sleeve; 3121, Ring groove; 313, Second fixing block; 314, Threaded rod; Position slot; 32, drive assembly; 321, bearing; 322, connecting ring; 323, operation panel; 324, limit rod; 4, building base; 5, building surface; 51, installation slot; 511, first arc groove; 512, the second arc groove; 513, the third arc groove; 514, the fourth arc groove; 6, the expansion joint; 7, the third convex strip; 8, the fourth convex strip; 9 10, the sixth convex strip; 11, the seventh convex strip; 12, the eighth convex strip; 13, the operating lever.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application; obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The embodiments in the present application and all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

As shown in FIGS. 1-3 , the embodiment of the present application discloses a decorative structure of an expansion joint 6 for building construction, which includes a decorative plate 1 , a sealing assembly 2 and a reinforcement mechanism 3 . The decorative board 1 is a horizontally arranged rectangular plate-like structure, the decorative board 1 is arranged above the building base 4, the upper surface of the building base 4 is fixed with two symmetrically arranged building surfaces 5, and an expansion joint is formed between the two building surfaces 5. 6. The decorative board 1 is used to block the expansion joints 6 on the base 4 of the building.

The intersections between the side walls of the two building surface layers 5 that are close to each other and the upper surface of the building surface layer 5 are provided with installation grooves 51 for the installation of the decorative board 1, and the sealing assembly 2 is jointly arranged in the two installation grooves 51. It is sealed between the holding decorative plate 1 and the side wall of the installation groove 51 , and the sealing assembly 2 includes a first L-shaped plate 21 , a second L-shaped plate 22 , an impermeable rubber sheet 23 and a U-shaped rubber sheet 24 . The first L-shaped plate 21 and the second L-shaped plate 22 are both plate-shaped structures with an L-shaped cross-section. The other side is installed in the groove 51. The side wall of the anti-seepage rubber sheet 23 on one side away from the expansion joint 6 is attached and fixed to the side wall of the installation groove 51 on one side, and the side wall of the other side of the anti-seepage rubber sheet 23 away from the expansion joint 6 and the other side The side wall of the installation groove 51 is attached and fixed, the first L-shaped plate 21 is matched with the side wall of the installation groove 51 on one side and abuts one side of the anti-seepage rubber sheet 23, and the second L-shaped plate 22 is installed on the other side. The side wall of the groove 51 fits and abuts against the other side of the anti-seepage rubber sheet 23 , and the middle of the anti-seepage rubber sheet 23 extends into the expansion joint 6 . The U-shaped rubber sheet 24 is wrapped around the bottom of the decorative board 1 and fixed. The cross-section of the U-shaped rubber sheet 24 is U-shaped. fixed. After the decorative board 1 is installed, the first L-shaped board 21 is matched with the side wall of the installation groove 51 on one side and abuts one side of the anti-seepage rubber sheet 23, and the second L-shaped board 22 is connected with the installation groove 51 on the other side. The wall is matched and pressed against the other side of the anti-seepage rubber sheet 23, thereby enhancing the connection and sealing between the two sides of the decorative board 1 and the two installation grooves 51 respectively. The middle of the anti-seepage rubber sheet 23 extends into the expansion joint 6. , reducing the probability of a small amount of rainwater infiltrating through the gap between the decorative board 1 and the side wall of the installation slot 51 , reducing the probability of the building base 4 getting damp, and extending the service life of the building base 4 . The U-shaped rubber sheet 24 is made of rubber material and has good elastic properties. The decorative plate 1 cooperates with the first L-shaped plate 21 and the second L-shaped plate 22 and fully presses against the U-shaped rubber sheet 24, thereby enhancing the decoration The tightness of the connection between the board 1 and the first L-shaped board 21 and the second L-shaped board 22 reduces the rainwater from the decorative board 1 and the first L-shaped board 21 and the decorative board 1 and the second L-shaped board 22. The probability of infiltration of the gaps between them is further improved, and the moisture-proof effect of the building base 4 is further improved.

In order to enhance the sealing effect of the sealing assembly 2, the side wall of the vertical part of the first L-shaped plate 21 away from the expansion joint 6 is integrally formed with a first protruding strip 211, and the installation on the side close to the vertical part of the first L-shaped plate 21 The side wall of the groove 51 is provided with a first arc-shaped groove 511 that cooperates with the first protruding strip 211. The side wall of the vertical part of the second L-shaped plate 22 away from the expansion joint 6 is integrally formed with a second protruding strip 221, which is close to the The side wall of the mounting groove 51 on one side of the vertical part of the second L-shaped plate 22 is provided with a second arc-shaped groove 512 which is matched with the second protruding strip 221 . The first protruding strip 211 cooperates with the first arc-shaped groove 511, so that part of the impermeable rubber sheet 23 enters the first arc-shaped groove 511, which is beneficial to strengthen the first protruding strip 211 and the first arc-shaped groove 511 The tightness between the second protruding strips 221 and the second arc-shaped groove 512 is matched, so that part of the impermeable rubber sheet 23 enters the second arc-shaped groove 512, which is beneficial to strengthen the second protruding strip 221 and the second arc-shaped groove 512. The sealing between the vertical part of the first L-shaped plate 21 and the side wall of the installation groove 51 on one side and the vertical part of the second L-shaped plate 22 and the side wall of the installation groove 51 on the other side are enhanced The tightness of the connection between.

In order to further improve the sealing effect of the sealing assembly 2, the bottom surface of the horizontal part of the first L-shaped plate 21 is integrally formed with a third convex strip 7, and the bottom surface of the mounting groove 51 on the side close to the first L-shaped plate 21 is provided with a third convex strip 7. The matching third arc-shaped groove 513; the bottom surface of the horizontal part of the second L-shaped plate 22 is integrally formed with a fourth convex strip 8, and the bottom surface of the installation groove 51 on the side close to the second L-shaped plate 22 is provided with a fourth convex strip 8 The fourth arc-shaped groove 514 is matched. The third protruding strip 7 cooperates with the third arc-shaped groove 513 and abuts against the anti-seepage rubber sheet 23, and the fourth protruding strip 8 cooperates with the fourth arc-shaped groove 514 and abuts against the anti-seepage rubber sheet 23, enhancing the first The sealing effect between the bottom surface of the horizontal part of the L-shaped plate 21 and the bottom wall of the installation groove 51 on one side and the bottom surface of the horizontal part of the second L-shaped plate 22 and the bottom wall of the installation groove 51 on the other side.

In this embodiment, the side wall of the vertical part of the first L-shaped plate 21 close to the expansion joint 6 is integrally formed with the fifth protruding strip 9 , and the upper surface of the horizontal part of the first L-shaped plate 21 is integrally formed with the sixth protruding strip 10. The side wall of the vertical part of the second L-shaped plate 22 close to the expansion joint 6 is integrally formed with the seventh convex strip 11 , and the upper surface of the horizontal part of the second L-shaped plate 22 is integrally formed with the eighth convex strip 12 . The third protruding strip 7 cooperates with the third arc-shaped groove 513 and abuts against the anti-seepage rubber sheet 23, and the fourth protruding strip 8 cooperates with the fourth arc-shaped groove 514 and abuts against the anti-seepage rubber sheet 23, enhancing the first The sealing effect between the bottom surface of the horizontal part of the L-shaped plate 21 and the bottom wall of the installation groove 51 on one side and the bottom surface of the horizontal part of the second L-shaped plate 22 and the bottom wall of the installation groove 51 on the other side.

The reinforcement mechanism 3 is disposed in the expansion joint 6 , the reinforcement mechanism 3 includes a reinforcement assembly 31 and a drive assembly 32 , and the reinforcement mechanism 3 includes a first fixing block 311 , a sleeve 312 , a second fixing block 313 and a threaded rod 314 . The first fixing block 311 is a rectangular block-shaped structure with a rectangular cross section, the upper surface of which is fixed to the bottom surface of the horizontal portion of the first L-shaped plate 21 . The sleeve 312 is a round tubular structure, its axis is horizontal and perpendicular to the length direction of the first fixing block 311, one end of the sleeve 312 is fixed with the side wall of the first fixing block 311 near the middle of the expansion joint 6, and the sleeve 312 One end away from the first fixing block 311 is open. The second fixing block 313 is also a rectangular block-shaped structure with a rectangular cross section, the upper surface of which is fixed to the bottom surface of the horizontal portion of the second L-shaped plate 22 . The axis of the threaded rod 314 coincides with the axis of the sleeve 312, the threaded rod 314 is arranged in the sleeve 312, the end of the threaded rod 314 away from the first fixing block 311 and the side of the second fixing block 313 close to the first fixing block 311 wall abuts.

An annular groove 3121 is defined at the intersection between the inner wall of the sleeve 312 and the side wall of the sleeve 312 away from the first fixing block 311 , and the axis of the annular groove 3121 coincides with the axis of the sleeve 312 . The driving assembly 32 is used to drive the threaded rod 314 to move toward the side away from the first fixing block 311 . The axis of the bearing 321 is coincident with the axis of the sleeve 312 , and the outer wall of the outer ring of the bearing 321 is attached to and fixed to the inner wall of the annular groove 3121 . The connecting ring 322 is an annular structure, and its axis coincides with the axis of the sleeve 312 . The operation plate 323 is a disc-shaped structure, the axis of which coincides with the axis of the sleeve 312 , and the threaded rod 314 penetrates through the operation plate 323 and is threadedly connected with the operation plate 323 . The limit rod 324 is a rectangular rod-shaped structure, one end of which is fixed to the inner wall of the sleeve 312 , and a limit groove 3141 is formed on the threaded rod 314 for sliding connection of the limit rod 324 .

In order to enhance the moisture-proof effect of the decorative structure of the expansion joint 6, before installing the decorative panel 1, the staff needs to rotate the operation panel 323. Since the operation panel 323 is threadedly connected with the threaded rod 314, the limit groove 3141 on the threaded rod 314 is connected to the limit rod. 324 cooperates and restricts the circumferential rotation of the threaded rod 314, so that the threaded rod 314 moves toward the side away from the first fixing block 311 until the end of the threaded rod 314 away from the first fixing block 311 and the second fixing block 313 When the side wall close to the first fixing block 311 is pressed tightly, stop rotating the operation panel 323, so that the threaded rod 314 cooperates with the sleeve 312 and fully presses against the second fixing block 313, so that the first fixing block 311 The second fixing block 313 cooperates with the installation groove 51 on the other side and fully presses against the other side of the anti-seepage rubber sheet 23, so that the sealing The component 2 fully exerts the sealing function, which improves the moisture-proof effect of the building base 4 .

In this implementation, the cross section of the operation panel 323 is circular, and a plurality of operation levers 13 are fixed on the side wall of the operation panel 323 which are evenly distributed about the axis of the operation panel 323 . The operator can easily rotate the operation panel 323 through the operation lever 13 . This reduces the difficulty for the operator to rotate the operation panel 323 , which is beneficial to smoothly move the threaded rod 314 to the side away from the first fixing block 311 .

The use principle of a construction expansion joint 6 decoration structure in this embodiment is as follows: after the installation of the decoration board 1 is completed, the first L-shaped board 21 cooperates with the side wall of the installation groove 51 on one side and abuts the anti-seepage rubber sheet 23 On one side, the second L-shaped plate 22 cooperates with the side wall of the installation groove 51 on the other side and abuts against the other side of the anti-seepage rubber sheet 23, so as to strengthen the two sides of the decorative plate 1 and the two installation grooves 51 respectively. The connection is sealed, and the middle of the anti-seepage rubber sheet 23 extends into the expansion joint 6, which reduces the probability of a small amount of rainwater infiltrating through the gap between the decorative board 1 and the side wall of the installation groove 51, and reduces the dampness of the building base 4. probability, which is beneficial to prolong the service life of the building base 4 . The U-shaped rubber sheet 24 is made of rubber material and has good elastic properties. The decorative plate 1 cooperates with the first L-shaped plate 21 and the second L-shaped plate 22 and fully presses against the U-shaped rubber sheet 24, thereby enhancing the decoration The tightness of the connection between the board 1 and the first L-shaped board 21 and the second L-shaped board 22 reduces the rainwater from the decorative board 1 and the first L-shaped board 21 and the decorative board 1 and the second L-shaped board 22. The probability of infiltration of the gaps between them is further improved, and the moisture-proof effect of the building base 4 is further improved.

The above are only the preferred embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions that belong to the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims (8)

1. The utility model provides an expansion joint decorative structure for construction, characterized by: the building base layer structure comprises a decorative plate (1) used for shielding an expansion joint (6) on a building base layer (4), wherein two building surface layers (5) which are symmetrically arranged are fixed on the upper surface of the building base layer (4), the expansion joint (6) is formed between the two building surface layers (5), mounting grooves (51) for mounting the decorative plate (1) are formed in the intersection positions of the side walls, close to each other, of the two building surface layers (5) and the upper surface of the building surface layer (5), and a sealing assembly (2) used for keeping the sealing between the decorative plate (1) and the side walls of the mounting grooves (51) is jointly mounted in the two mounting grooves (51);

sealing component (2) including set up first L shaped plate (21) in one of them one side mounting groove (51), set up second L shaped plate (22) in opposite side mounting groove (51) and with two equal fixed prevention of seepage rubber piece (23) of mounting groove (51) inner wall, prevention of seepage rubber piece (23) middle part extends to in expansion joint (6), first L shaped plate (21) and mounting groove (51) lateral wall cooperation of one side support one side of tight prevention of seepage rubber piece (23), second L shaped plate (22) and mounting groove (51) lateral wall cooperation of opposite side support the opposite side of tight prevention of seepage rubber piece (23).

2. The decorative structure of an expansion joint for building construction as claimed in claim 1, wherein: the sealing component (2) also comprises a U-shaped rubber sheet (24) which is wrapped at the bottom of the decorative plate (1) and fixed.

3. The decorative structure of an expansion joint for building construction as claimed in claim 2, wherein: a first convex strip (211) is integrally formed on the side wall of the vertical part of the first L-shaped plate (21) far away from the expansion joint (6), and a first arc-shaped groove (511) matched with the first convex strip (211) is formed on the side wall of the mounting groove (51) close to the vertical part of the first L-shaped plate (21);

the lateral wall integrated into one piece that expansion joint (6) one side was kept away from to the vertical portion of second L shaped plate (22) has second sand grip (221), is close to mounting groove (51) lateral wall on the vertical portion one side of second L shaped plate (22) is seted up with second sand grip (221) complex second arc recess (512).

4. The decorative structure of an expansion joint for building construction as claimed in claim 3, wherein: a third convex strip (7) is integrally formed on the bottom surface of the horizontal part of the first L-shaped plate (21), and a third arc-shaped groove (513) matched with the third convex strip (7) is formed in the bottom surface of the mounting groove (51) close to one side of the first L-shaped plate (21);

second L shaped plate (22) horizontal part bottom surface integrated into one piece has fourth sand grip (8), is close to mounting groove (51) bottom surface on one side of second L shaped plate (22) is seted up with fourth sand grip (8) complex fourth arc recess (514).

5. The decorative structure of an expansion joint for building construction as claimed in claim 4, wherein: first L shaped plate (21) vertical portion is close to the lateral wall integrated into one piece in expansion joint (6) one side and has fifth sand grip (9), first L shaped plate (21) horizontal part upper surface integrated into one piece has sixth sand grip (10), the lateral wall integrated into one piece that second L shaped plate (22) vertical portion is close to expansion joint (6) one side has seventh sand grip (11), second L shaped plate (22) horizontal part upper surface integrated into one piece has eighth sand grip (12).

6. The decorative structure of an expansion joint for building construction as claimed in claim 5, wherein: be provided with reinforcing mechanism (3) in expansion joint (6), reinforcing mechanism (3) are including reinforcing component (31) and drive assembly (32), reinforcing mechanism (3) including with first L shaped plate (21) horizontal part bottom surface fixed first fixed block (311), be close to the fixed sleeve pipe of the lateral wall (312) of expansion joint (6) middle part one side with first fixed block (311), with second L shaped plate (22) second fixed block (313) of horizontal part bottom surface fixed and set up in sleeve pipe (312) and be close to threaded rod (314) of the lateral wall butt of first fixed block (311) one side with second fixed block (313), drive assembly (32) are used for driving about threaded rod (314) and move towards one side of keeping away from first fixed block (311).

7. The decorative structure of an expansion joint for building construction as claimed in claim 6, wherein: an annular groove (3121) is formed in the intersection between the inner wall of the sleeve (312) and the side wall of the sleeve (312) far away from the first fixing block (311), the driving assembly (32) comprises a bearing (321) fixed with the inner wall of the annular groove (3121), a connecting ring (322) fixed with the side wall of the inner ring of the bearing (321) far away from the first fixing block (311), an operating panel (323) fixed with the side wall of the connecting ring (322) far away from the first fixing block (311), and a limiting rod (324) fixed with the inner wall of the sleeve (312), the threaded rod (314) penetrates through the operating panel (323) and is in threaded connection, and a limiting groove (3141) for the limiting rod (324) to be connected in a sliding mode is formed in the threaded rod (314).

8. The decorative structure of an expansion joint for building construction as claimed in claim 7, wherein: the cross section of the operating plate (323) is circular, and a plurality of operating rods (13) which are uniformly distributed around the axis of the operating plate (323) are fixed on the side wall of the operating plate (323).

Images