CN217644950U

CN217644950U - Architectural decoration structure

Info

Publication number: CN217644950U
Application number: CN202221378481.6U
Authority: CN
Inventors: 卢婷婷; 刘华强; 郑梦婷; 胡玉龙; 苏家如
Original assignee: Anhui Guangda Construction Engineering Co ltd
Current assignee: Anhui Guangda Construction Engineering Co ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-10-25
Anticipated expiration: 2032-06-01

Abstract

The application discloses architectural decoration structure, including being fixed in the U-shaped piece on the building wall body, the vertical setting in U-shaped piece middle section, vertical spout has been seted up in U-shaped piece middle section, be provided with the movable block between U-shaped piece middle section and the building wall body, be provided with the fixed subassembly that is used for fixed movable block on the U-shaped piece, be provided with the peg that is used for cooperating with the slot of decorating the frame on the movable block. When this application need be adjusted the height of decorating the frame, the user only need transfer the fixed subassembly of pine, make the movable block can follow U-shaped piece and make upwards or downstream, make this peg on the movable block along vertical direction upwards or downstream, when highly satisfying user's user demand until the peg, the user only need adopt fixed subassembly with the movable block fixed can, use screw or nail to carry out the mode of fixing to decorating the frame in having changed traditional mode, avoided because of taking off screw or nail, and make the condition that building wall body surface takes place to damage.

Description

Architectural decoration structure

Technical Field

The utility model relates to an architectural decoration technical field, in particular to architectural decoration structure.

Background

In building construction, decorative pictures are generally installed on the wall surface in order to enhance the aesthetic property of the building. Adopt the mounting to fix usually between decorating picture frame and the building wall, the mounting is screw, nail or bolt etc. usually, offers the complex slot of confession nail usually in the framework at the decoration picture frame back.

The inventor considers the following defects in the prior art: different users are different to the high requirement of decorating the picture, in addition, because the size of decorating the frame is different for the fixed mounting height between decoration frame and the building wall is also different, when the mounting that adopts is nail or screw, if will fix the not equidimension decoration frame, the user need take off before nail or screw and nail again to different height, at this in-process, makes building wall impaired easily.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an architectural decoration structure.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an architectural decoration structure, is including being fixed in the U-shaped piece on the building wall body, the vertical setting in U-shaped piece middle section, vertical spout has been seted up in U-shaped piece middle section, be provided with the movable block between U-shaped piece middle section and the building wall body, be provided with the fixed subassembly that is used for fixed movable block on the U-shaped piece, be provided with the peg that is used for cooperating with the slot of decorating the frame on the movable block.

Through adopting above-mentioned technical scheme, when needing to adjust the height of decorating the frame, the user only needs to transfer the fixed subassembly of pine, make the movable block can follow U-shaped piece and make progress or downstream, with this make peg on the movable block along vertical direction and make progress or downstream, when highly satisfying user's user demand of peg, the user only need adopt fixed subassembly with the movable block fixed can, use screw or nail to decorate the frame and carry out the mode fixed among the traditional mode has been changed, avoided because of taking off screw or nail, and make the condition that building wall body surface takes place to damage.

Further, the peg is equipped with two and sets up about U-shaped piece symmetry, the inserting groove has all been seted up at the movable block both ends, be provided with the adjusting part who is used for adjusting the distance between peg and the U-shaped piece on the movable block, adjusting part is equipped with two sets ofly and sets up about U-shaped piece symmetry, adjusting part slides the fly leaf of being connected and runs through the first bolt that sets up on the movable block and threaded connection including setting up on the movable block and with the inserting groove, the movable block is close to the lateral wall and the movable block of building wall body one side and keeps away from crossing department between the U-shaped piece one end and has seted up the mounting groove, adjusting part still includes the mounting panel of sliding the connection with the mounting groove and runs through the second bolt that sets up on the fly leaf and threaded connection, the lateral wall that building wall body one side was kept away from to the peg and mounting panel is fixed.

Through adopting above-mentioned technical scheme, when needing to fix the different horizontal position of decorating the frame at building wall, the user only needs unscrew first bolt or second bolt, can follow pull out the movable plate in the inserting groove or pull out the mounting panel from the mounting groove to this makes the position of peg on mounting panel and the mounting panel can be adjusted, thereby convenient to use person adjusts the horizontal position of peg according to actual need.

Further, the cross section of mounting panel and mounting groove all is the dovetail, just the width that the mounting groove is close to building wall one side is less than the width that building wall one side was kept away from to the mounting groove.

Through adopting above-mentioned technical scheme, even if be convenient for the user to install the mounting panel in the mounting groove, reduced the probability that the mounting panel is close to the opening roll-off mounting panel of building wall one side from the mounting groove again, strengthened the stability of being connected between mounting panel and the mounting groove.

Further, the one end that building wall body was kept away from to the peg is fixed with the anticreep ball, decorate the joint groove of roof intercommunication and confession anticreep ball joint with the slot in the frame.

Through adopting above-mentioned technical scheme, when decorating the frame and hanging, decorate slot and peg on the frame and articulate, the diameter of anticreep ball is greater than the cross-section circle diameter of peg, anticreep ball and joint groove block to this has played good anticreep effect, has reduced the probability that the one end slippage of building wall body was kept away from to the peg to decorating the frame, has strengthened the stability that decorates the frame and hang the in-process.

Further, install the reinforcement subassembly that is used for consolidating the mounting panel on the U-shaped piece, the reinforcement subassembly includes the semicircle ring fixed with the U-shaped piece lateral wall, with the horizontal pole of the U-shaped piece lateral wall fixed of semicircle ring homonymy and with mounting panel upper surface fixed haulage rope, the one end that the mounting panel was kept away from to the haulage rope is walked around the semicircle ring and is twined and be fixed in on the horizontal pole.

Through adopting above-mentioned technical scheme, when decorating the frame and being fixed in different horizontal position, because the distance between mounting panel and the U-shaped piece changes, for the reinforcing is decorated the stability that the frame hung the in-process, the user only need walk around the semicircle ring with the haulage rope and straighten, twines on the horizontal pole afterwards to it can fix to beat the knot, makes the haulage rope play good dragging effect to the mounting panel with this, has further strengthened the stability that the frame hung the in-process of decorating.

Furthermore, the one end that the mounting panel was kept away from to the haulage rope is fixed with solid fixed ring, the one end that the U-shaped piece was kept away from to the horizontal pole is fixed with the anticreep board, gu fixed ring's internal diameter is greater than the cross-section circle diameter of anticreep board and is less than the internal diameter of semicircle ring, gu the inboard arc surface and the horizontal pole bottom butt of fixed ring bottom.

Through adopting above-mentioned technical scheme, gu fixed ring's internal diameter is greater than the cross-section circle diameter of anticreep board and is less than the internal diameter of semicircle ring to this person of facilitating the use passes solid fixed ring and the haulage rope of flare-outing with the semicircle ring, twines the haulage rope on the horizontal pole afterwards, will gu fixed ring at last passes the horizontal pole tip, makes the inboard arc surface and the horizontal pole bottom butt of solid fixed ring bottom, with this one end and the horizontal pole stable connection that the mounting panel was kept away from to the haulage rope.

Further, fixed subassembly includes and keeps away from the fixed and rectangular block that slides with vertical spout of the lateral wall of building wall one side with the movable block and is connected, keeps away from the fixed screw thread post of lateral wall of movable block one side and the nut that the screw thread post was located and threaded connection to the cover with the rectangular block.

Through adopting above-mentioned technical scheme, when using the fixed movable block of fixed subassembly, the user at first need pass vertical spout with the rectangle piece, screws up the nut afterwards for the lateral wall that the nut is close to building wall one side supports tightly with the lateral wall that building wall one side was kept away from to U-shaped piece middle section, can be fixed in on the U-shaped piece with the movable block.

Furthermore, an annular rubber sheet is sleeved on the threaded column and arranged between the side wall of the U-shaped block, which is far away from one side of the building wall, and the screw cap.

Through adopting above-mentioned technical scheme, the annular sheet rubber adopts rubber materials to make, has good elasticity performance, and the annular sheet rubber surface has great coefficient of friction, and after the staff screwed up the nut, the lateral wall cooperation and the tight annular sheet rubber of support that building wall one side was kept away from to nut and U-shaped piece middle section to this frictional force between the lateral wall of building wall one side was kept away from to nut and U-shaped piece middle section has been increased, thereby has strengthened the fixed effect of nut to the movable block.

To sum up, the utility model discloses following beneficial effect has:

1. in the application, when the height of the decorative picture frame needs to be adjusted, a user only needs to adjust the fixing assembly to enable the movable block to move upwards or downwards along the U-shaped block, so that the hanging rod on the movable block moves upwards or downwards along the vertical direction, and when the height of the hanging rod meets the use requirement of the user, the user only needs to fix the movable block by adopting the fixing assembly, so that the mode that the decorative picture frame is fixed by using screws or nails in the traditional mode is changed, and the condition that the surface of a building wall body is damaged due to the fact that the screws or nails are taken down is avoided;

2. in the application, when the decorative picture frame is required to be fixed at different horizontal positions of a building wall, a user can pull out the movable plate from the insertion groove or pull out the mounting plate from the mounting groove by unscrewing the first bolt or the second bolt, so that the positions of the mounting plate and the hanging rod on the mounting plate can be adjusted, and the user can conveniently adjust the horizontal positions of the hanging rod according to actual requirements;

3. in this application, when decorating the frame and hanging, decorate slot and peg on the frame and articulate, the diameter of anticreep ball is greater than the cross-section circle diameter of peg, anticreep ball and joint groove block to this has played good anticreep effect, has reduced the probability that the one end slippage of building wall body was kept away from to the peg to decorating the frame, has strengthened the stability of decorating the frame and hanging the in-process.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the embodiment of the present invention used for highlighting the movable block and the connection structure thereof after the building wall is deleted;

FIG. 3 is a schematic structural diagram of an embodiment of the present invention for highlighting the adjustment assembly;

fig. 4 is a schematic structural diagram for highlighting the fixing component according to the embodiment of the present invention.

In the figure: 1. a U-shaped block; 11. a vertical chute; 2. a movable block; 21. inserting grooves; 3. a fixing assembly; 31. a rectangular block; 32. a threaded post; 321. an annular rubber sheet; 33. a nut; 4. a hanging rod; 41. anti-drop balls; 5. an adjustment assembly; 51. a movable plate; 511. mounting grooves; 52. a first bolt; 53. mounting a plate; 54. a second bolt; 6. a reinforcement assembly; 61. a semicircular ring; 62. a cross bar; 621. an anti-drop plate; 63. a hauling rope; 631. a fixing ring; 7. building a wall body; 8. decorating the picture frame; 81. a trench; 82. a clamping groove.

Detailed Description

The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work based on the embodiments in the present application belong to the protection scope of the present application.

As shown in fig. 1 to 4, the embodiment of the present application discloses an architectural decoration structure, which comprises a U-shaped block 1, a movable block 2, a fixed component 3, a hanging rod 4, an adjusting component 5 and a reinforcing component 6. U-shaped piece 1 is the block structure of transversal personally submitting the U-shaped, and the both ends of U-shaped piece 1 all are fixed with the lateral wall of building wall 7 one side, and the vertical setting in 1 middle section of U-shaped piece, and vertical spout 11 has been seted up in 1 middle section of U-shaped piece.

The movable block 2 is a horizontally arranged rectangular block structure and is arranged between the middle section of the U-shaped block 1 and the building wall 7. The fixed component 3 is installed on the U-shaped block 1 for fixing the movable block 2, and the fixed component 3 includes a rectangular block 31, a threaded column 32 and a nut 33. The rectangular block 31 is a block-shaped structure with a rectangular cross section, the side wall of one side of the rectangular block is fixed with the side wall of the movable block 2 far away from the building wall 7, and the rectangular block 31 is connected with the vertical sliding groove 11 in a sliding manner. The axial direction of the threaded column 32 is perpendicular to the wall surface direction of the building wall 7, one end of the threaded column is fixed with the side wall of the rectangular block 31 far away from one side of the movable block 2, and the end, close to the building wall 7, of the threaded column 32 extends into the vertical sliding groove 11. The axis of the nut 33 is coincident with the axis of the threaded column 32, and the nut 33 is sleeved on the threaded column 32 and is in threaded connection with the threaded column 32, so that a user can conveniently tighten the nut 33 and fix the movable block 2 and the U-shaped block 1.

The hanging rod 4 is arranged on the movable block 2 and is used in cooperation with the groove 81 of the decorative picture frame 8. Inserting grooves 21 are formed in two ends of the movable block 2, the adjusting assemblies 5 are mounted on the movable block 2 and used for adjusting the distance between the hanging rod 4 and the U-shaped block 1, the adjusting assemblies 5 are arranged in two groups and symmetrically arranged about the middle section of the U-shaped block 1, and each group of adjusting assemblies 5 comprises a movable plate 51, a first bolt 52, a mounting plate 53 and a second bolt 54. The movable plate 51 is a horizontally disposed rectangular plate-shaped structure, and is disposed in the inserting groove 21 and slidably connected with the inserting groove 21. The lateral wall that the movable block 2 is close to building wall 7 one side keeps away from the crossing department between 1 one end of U-shaped piece with movable block 2 and has seted up mounting groove 511, and mounting panel 53 is the platelike structure that the level set up, and mounting panel 53 sets up in mounting groove 511 and slides with mounting groove 511 and be connected, and the lateral wall that building wall 7 one side was kept away from to peg 4 and mounting panel 53 is fixed, and peg 4 is equipped with two and sets up about 1 middle section symmetry of U-shaped piece. The axis of the first bolt 52 is parallel to the axis of the threaded column 32, and the first bolt 52 is disposed on the movable block 2 and is threaded, so that a user can conveniently tighten the first bolt 52, thereby fixing the movable plate 51 and the movable block 2. The axis of the second bolt 54 is parallel to the axis of the first bolt 52, and the second bolt 54 is disposed on the movable plate 51 and screwed, so that the user can tighten the second bolt 54 to fix the mounting plate 53 and the movable plate 51.

When the height of decorating the picture frame 8 needs to be adjusted, the user only needs to unscrew the screw cap 33, the movable block 2 can move upwards or downwards along the U-shaped block 1, so that the hanging rod 4 on the movable block 2 moves upwards or downwards along the vertical direction, until the height of the hanging rod 4 meets the use requirement of the user, the user only needs to screw the screw cap 33 again, the movable block 2 can be fixed, the mode that the decorative picture frame 8 is fixed by using screws or nails in the traditional mode is changed, the situation that the surface of the building wall 7 is damaged due to the fact that the screws or the nails are taken down is avoided. When the different positions of the decorative picture frame 8 in the horizontal direction need to be adjusted, a user only needs to unscrew the first bolt 52 or the second bolt 54, and then the movable plate 51 can be pulled out from the insertion groove 21 or the mounting plate 53 can be pulled out from the mounting groove 511, so that the positions of the mounting plate 53 and the hanging rod 4 on the mounting plate 53 can be adjusted, and the user can conveniently adjust the horizontal position of the hanging rod 4 according to actual requirements.

In order to enhance the fixing effect of the nut 33 on the movable block 2, an annular rubber sheet 321 is sleeved on the threaded column 32, and the annular rubber sheet 321 is arranged between the side wall of the U-shaped block 1 far away from the building wall 7 and the nut 33. Annular sheet rubber 321 adopts rubber materials to make, has good elasticity performance, annular sheet rubber 321 surface has great coefficient of friction, the staff screws up behind nut 33, the lateral wall cooperation and the tight annular sheet rubber 321 of building wall 7 one side are kept away from in nut 33 and 1 middle section of U-shaped piece, with this frictional force between the lateral wall of building wall 7 one side has been kept away from in nut 33 and 1 middle section of U-shaped piece, thereby the fixed effect of nut 33 to movable block 2 has been strengthened. In order to enhance the connection effect between the mounting plate 53 and the movable plate 51, the cross sections of the mounting plate 53 and the mounting groove 511 are both dovetail-shaped, and the width of the side of the mounting groove 511 close to the building wall 7 is smaller than the width of the side of the mounting groove 511 far away from the building wall 7, so that even if a user installs the mounting plate 53 in the mounting groove 511, the probability that the mounting plate 53 slides out of the mounting plate 53 from the opening of the side of the mounting groove 511 close to the building wall 7 is reduced, and the connection stability between the mounting plate 53 and the mounting groove 511 is enhanced.

For reinforcing decoration frame 8 hangs the stability of in-process, the one end that building wall 7 was kept away from to peg 4 is fixed with anticreep ball 41, the joint groove 82 that feeds through and supply anticreep ball 41 joint with slot 81 is seted up to the roof in the decoration frame 8, when decoration frame 8 hangs, slot 81 on the decoration frame 8 articulates with peg 4, the diameter of anticreep ball 41 is greater than the cross-section circle diameter of peg 4, anticreep ball 41 and joint groove 82 block, with this good anticreep effect has been played, the probability that building wall 7's one end slippage was kept away from peg 4 to decoration frame 8 has been reduced, the stability of decoration frame 8 suspension in-process has been strengthened.

The reinforcement assembly 6 is installed on the U-shaped block 1 for reinforcing the mounting plate 53, and the reinforcement assembly 6 includes a semicircular ring 61, a cross bar 62, and a pulling rope 63. The semicircular ring 61 is in the shape of a semicircular ring 61, and both ends of the semicircular ring 61 are fixed with the side wall of the U-shaped block 1. The cross bar 62 is a horizontally arranged round rod-shaped structure, the axis of the cross bar 62 is vertical to the axis of the threaded column 32, and one end of the cross bar 62 is fixed with the side wall of the U-shaped block 1 on the same side of the semicircular ring 61. One end of the pulling rope 63 is fixed on the upper surface of the mounting plate 53, and the end of the pulling rope 63 far away from the mounting plate 53 bypasses the semicircular ring 61 and is wound and fixed on the cross bar 62. When decorating the horizontal position of frame 8 in the difference, because the distance between mounting panel 53 and the U-shaped piece 1 changes, for the stability of reinforcing decoration frame 8 suspension in-process, the user only needs to bypass semicircle ring 61 with haulage rope 63 and flare-out, twines on horizontal pole 62 afterwards to it can fix to beat the knot, makes haulage rope 63 play good effect of dragging to mounting panel 53 with this, has further strengthened the stability of decorating the frame 8 suspension in-process.

In order to facilitate a user to connect one end, away from the mounting plate 53, of the pulling rope 63 with the cross bar 62, one end, away from the mounting plate 53, of the pulling rope 63 is fixed with a fixing ring 631, one end, away from the U-shaped block 1, of the cross bar 62 is fixed with the anti-falling plate 621, the inner diameter of the fixing ring 631 is larger than the cross-sectional circle diameter of the anti-falling plate 621 and smaller than the inner diameter of the semicircular ring 61, and the inner side arc-shaped surface of the bottom of the fixing ring 631 abuts against the bottom of the cross bar 62, so that the user can conveniently enable the semicircular ring 61 to penetrate through the fixing ring 631 and straighten the pulling rope 63, then the pulling rope 63 is wound on the cross bar 62, and finally the fixing ring 631 penetrates through the end of the cross bar 62, so that the inner side arc-shaped surface of the bottom of the fixing ring 631 abuts against the bottom of the cross bar 62, and the end, away from the mounting plate 53, of the pulling rope 63 is stably connected with the cross bar 62.

The use principle of a building decoration structure in this embodiment does:

when the height of decorating the picture frame 8 needs to be adjusted, the user only needs to unscrew the screw cap 33, the movable block 2 can move upwards or downwards along the U-shaped block 1, so that the hanging rod 4 on the movable block 2 moves upwards or downwards along the vertical direction, until the height of the hanging rod 4 meets the use requirement of the user, the user only needs to screw the screw cap 33 again, the movable block 2 can be fixed, the mode that the decorative picture frame 8 is fixed by using screws or nails in the traditional mode is changed, the situation that the surface of the building wall 7 is damaged due to the fact that the screws or the nails are taken down is avoided.

When the decorative picture frame 8 needs to be fixed at different horizontal positions of the building wall 7, a user only needs to unscrew the first bolt 52 or the second bolt 54 to pull out the movable plate 51 from the insertion groove 21 or pull out the mounting plate 53 from the mounting groove 511, so that the positions of the mounting plate 53 and the hanging rod 4 on the mounting plate 53 can be adjusted, and the user can conveniently adjust the horizontal position of the hanging rod 4 according to actual requirements.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An architectural decoration structure, characterized by: including being fixed in U-shaped piece (1) on building wall (7), the vertical setting in U-shaped piece (1) middle section, vertical spout (11) have been seted up in U-shaped piece (1) middle section, be provided with movable block (2) between U-shaped piece (1) middle section and building wall (7), be provided with fixed subassembly (3) that are used for fixed movable block (2) on U-shaped piece (1), be provided with on movable block (2) and be used for with slot (81) cooperation peg (4) of decorating frame (8) use.

2. An architectural ornament structure according to claim 1, wherein: the utility model discloses a building wall body, including hanger bar (4), movable block (2) and movable block (2), hanger bar (4) are equipped with two and set up about U-shaped piece (1) symmetry, be provided with on movable block (2) and be used for adjusting between hanger bar (4) and the U-shaped piece (1) apart from adjusting part (5), adjusting part (5) are equipped with two sets ofly and set up about U-shaped piece (1) symmetry, adjusting part (5) including set up on movable block (2) and with movable block (21) slip movable plate (51) of being connected and run through the first bolt (52) that set up on movable block (2) and threaded connection, the lateral wall that movable block (2) are close to building wall body (7) one side is kept away from between U-shaped piece (1) one end with movable block (2) and is seted up mounting groove (511), adjusting part (5) still include the mounting panel (53) that slides and set up on movable plate (51) and threaded connection's second bolt (54), the fixed lateral wall body of building wall body (7) one side is kept away from hanger bar (4) and mounting panel (53).

3. An architectural ornament structure according to claim 2, wherein: the cross section of mounting panel (53) and mounting groove (511) all is the dovetail, just mounting groove (511) are less than the width that building wall (7) one side was kept away from in mounting groove (511) near building wall (7) one side.

4. A building decorative structure according to claim 3, wherein: the one end that building wall (7) were kept away from in peg (4) is fixed with anticreep ball (41), joint groove (82) that feed through and supply anticreep ball (41) joint with slot (81) are seted up to the roof in decorating frame (8).

5. An architectural ornament structure according to claim 4, wherein: install on U-shaped piece (1) and be used for consolidating reinforcement subassembly (6) of mounting panel (53), consolidate subassembly (6) including with U-shaped piece (1) lateral wall fixed semicircle ring (61), with U-shaped piece (1) lateral wall fixed horizontal pole (62) of semicircle ring (61) homonymy and with mounting panel (53) upper surface fixed haulage rope (63), the one end that mounting panel (53) were kept away from in haulage rope (63) is walked around semicircle ring (61) and is twined and be fixed in on horizontal pole (62).

6. An architectural ornament structure according to claim 5, wherein: the one end that mounting panel (53) were kept away from in haulage rope (63) is fixed with solid fixed ring (631), the one end that U-shaped piece (1) was kept away from in horizontal pole (62) is fixed with anticreep board (621), the internal diameter of solid fixed ring (631) is greater than the cross-section circle diameter of anticreep board (621) and is less than the internal diameter of semicircle ring (61), the inboard arc surface and horizontal pole (62) bottom butt of solid fixed ring (631) bottom.

7. An architectural ornament structure according to claim 6, wherein: fixed subassembly (3) include with movable block (2) keep away from the lateral wall of building wall body (7) one side fixed and slide rectangular block (31) of being connected with vertical spout (11), keep away from the fixed screw thread post of lateral wall (32) of movable block (2) one side and cover nut (33) of locating on screw thread post (32) and threaded connection with rectangular block (31).

8. An architectural ornament structure according to claim 7, wherein: the threaded column (32) is sleeved with an annular rubber sheet (321), and the annular rubber sheet (321) is arranged between the side wall of the U-shaped block (1) far away from one side of the building wall body (7) and the screw cap (33).