CN214117513U - Wall bushing and wall structure provided with same - Google Patents

Abstract

The utility model provides a wall bushing, which comprises two vertical plates, two transverse plates and four right-angle connecting pieces; the two vertical plates are used for being abutted against the side edges of the holes in the wall body, and the two transverse plates are used for being abutted against the upper edge and the lower edge of the holes in the wall body; the right-angle connecting piece comprises a first connecting plate and a second connecting plate which are perpendicular to each other; the first connecting plate and the second connecting plate are respectively provided with a fixing hole for fixedly connecting with the vertical plate or the transverse plate; the right-angle connecting piece is connected with the surfaces of the vertical plate and the transverse plate, which are deviated from the inner wall surface of the opening on the wall body; the right-angle connecting pieces are distributed on four inner corners of the opening on the wall body; the two vertical plates and the two transverse plates have the same length as the thickness of the wall body. Further, the utility model also provides an install wall body structure of wall bushing. The utility model provides a current wall hole trompil size and installation accuracy problem to the construction material and the cost of labor that significantly reduce are showing and are improving wall bushing installation quality.

Description

Wall bushing and wall structure provided with same

Technical Field

The utility model relates to a construction equipment field especially relates to a wall bushing and installs wall bushing's wall structure.

Background

With the rapid development of economy and science and technology, the intellectualization of modern buildings is changing day by day, and strong and weak electric equipment with various functions is widely applied. And so many strong and weak electrical devices must be provided with power or control lines to operate properly. Therefore, a large number of bridges or wire grooves are correspondingly arranged in the building for cabling and wiring. According to the design of the internal space of the building, the bridge or the trunking generally runs through a plurality of walls in the building. In order to ensure the integral appearance of the installation of the trunking bridge, avoid the requirement that the surface of the trunking bridge is easy to deform and is convenient to overhaul and evaluate the engineering quality in the future due to the direct contact between the trunking bridge and the wall, a sleeve is generally required to be arranged when the trunking bridge passes through the wall, the floor and other structural surfaces. Because the sleeve is correspondingly arranged at the position where each trunking bridge passes through the wall body, the number of the wall-through sleeves of the whole engineering trunking bridge is huge. The installation quality of the cable duct bridge sleeve is directly related to the fireproof plugging function and the integral installation appearance.

In daily building application, the wire casing and the bridge frame sleeve of an electrical system have some defects, if the sleeve manufacturing method falls behind, construction teams still adopt the traditional manufacturing method to process the sleeve, and the procedures of cutting, folding and the like of the thin steel plate are finished through hand tools, so that the bearing strength of the sleeve is reduced, the size of the sleeve is difficult to control well, and the manufacturing efficiency is low. The size of a hole drilled in a wall body on a construction site is not easy to control, the operation difficulty is high during the installation and plugging of the sleeve, and meanwhile, more cement, bricks and the like are used during the fixing of the sleeve, so that the bearing pressure of the sleeve is increased invisibly, and the deformation of the sleeve is more easily caused, so that the installation quality and the pass rate of the wall-through sleeve are low. Therefore, for the wall bushing with a large number of buildings, if a common traditional bushing manufacturing mode and a manufacturing tool are still adopted, and the size precision of the through hole of the bushing wall cannot be effectively controlled, the manufacturing efficiency and the construction quality of the bushing are low, a large amount of labor and material loss are wasted, and the inspection and maintenance cannot be facilitated.

Disclosure of Invention

In order to solve at least one among the above-mentioned technical problem, the utility model provides a wall bushing to reach and reduce construction material and cost of labor, show and improve wall bushing installation quality, ensure the whole technological purpose of seeing of wire casing and crane span structure installation. The purpose of the utility model is realized through the following scheme:

a wall bushing comprises two vertical plates, two transverse plates and four right-angle connecting pieces; the two vertical plates are used for being abutted against the side edges of the holes in the wall body, and the two transverse plates are used for being abutted against the upper edge and the lower edge of the holes in the wall body; the right-angle connecting piece comprises a first connecting plate and a second connecting plate which are perpendicular to each other; the first connecting plate and the second connecting plate are respectively provided with a fixing hole for fixedly connecting with the vertical plate or the transverse plate; the right-angle connecting piece is connected with the vertical plate and the surface of the transverse plate, which is far away from the inner wall surface of the opening on the wall body; the right-angle connecting pieces are distributed on four inner corners of the opening on the wall body; the two vertical plates and the two transverse plates have the same length as the thickness of the wall body.

Furthermore, the vertical plate comprises a first straight plate body and a plurality of first reinforcing ribs, and the first reinforcing ribs are uniformly distributed on the first straight plate body.

Furthermore, the transverse plate comprises a second straight plate body and a plurality of second reinforcing ribs, and the second reinforcing ribs are uniformly distributed on the first straight plate body; the distance between the plurality of first reinforcing ribs is equal to the distance between the plurality of second reinforcing ribs.

Furthermore, two side edges of the first straight plate body in the length direction are provided with first side plates; two sides of the second straight plate in the length direction are provided with second side plates; the first side plate and the first straight plate body form a first concave groove, the second side plate and the second straight plate body form a second concave groove, and the first concave groove and the second concave groove are used for being clamped to form the wall body with the hole.

Further, the right-angle connecting piece comprises a third side plate positioned on the side edge of the first connecting piece plate and the second connecting plate in the length direction; the third side plate is right-angled; the third side plate is used for covering the first side plate and the second side plate.

Furthermore, a flange is arranged on the side edge of the third side plate, which is far away from the first connecting plate or the second connecting plate, and the flange is used for being clamped and positioned with the first side plate or the second side plate.

Furthermore, the right-angle connecting piece also comprises a plurality of third reinforcing ribs which penetrate through the first connecting plate and the second connecting plate.

Furthermore, the first reinforcing rib, the second reinforcing rib and the third reinforcing rib are all U-shaped reinforcing ribs; when the vertical plate is spliced with the transverse plate, the third reinforcing rib of the right-angle connecting piece is suitable for buckling the first reinforcing rib or the second reinforcing rib.

Further, still include the protection steel sheet, the protection steel sheet is used for being fixed in the wall body lateral surface covers first curb plate and second curb plate.

The utility model also provides a wall structure, which comprises the wall bushing; the wall-through sleeve is embedded into an opening of a wall body, a fireproof mud layer is arranged on the inner wall of a cavity formed by the vertical plate and the transverse plate in an enclosing mode, a cable penetrates through the cavity, and fireproof blocking materials are filled in the cavity.

Compared with the prior art the utility model has the advantages that: the utility model discloses a wall bushing includes two risers, two diaphragms and four right angle connection pieces. The wall bushing is disassembled, components can be produced in an industrialized, stereotyped and standardized mode, the components can be quickly assembled and fixed on site, the components can be installed in place at one time, and the components can be conveniently disassembled, changed, adjusted and reused. The wall bushing can be adjusted and fixed according to the opening size of the wall through hole, field processing is not needed according to the actual size of a building wire groove or a bridge frame on the spot, and the problems of the opening size and the mounting precision of the existing wall through hole are solved, so that the construction material and labor cost are greatly reduced, and the mounting quality of the wall through bushing is remarkably improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the principles of the invention.

Fig. 1 is a schematic structural view of a wall body provided with the wall bushing of the utility model;

FIG. 2 is a schematic view of a vertical plate and a horizontal plate of the wall bushing of FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic view of a right angle connector of the wall bushing of FIG. 1;

FIG. 5 is a schematic cross-sectional view taken along line B-B in FIG. 4;

FIG. 6 is a schematic view showing the vertical plate, the horizontal plate and the right-angle connecting member in cooperation;

fig. 7 is a schematic view of the armor plate of the wall bushing of fig. 1.

Wherein: 1. a wall body; 2. a wall bushing; 21. a vertical plate; 211. a first straight plate body; 212. a first reinforcing rib; 213. a first side plate; 214. a fixing hole; 215. the length of the long side of the vertical plate; 216. the height of the vertical plate; 217. a first side panel width; 22. a transverse plate; 221. a second straight plate body; 222. a second reinforcing rib; 223. a second side plate; 224. the length of the long side of the transverse plate; 225. width of the transverse plate; 226. A second side panel width; 23. a right angle connector; 230. mounting holes; 231. a first connecting plate; 232. a second connecting plate; 233. a second planar panel; 234. a third reinforcing rib; 235. a third side plate; 236. flanging; 2361. the folding height; 2362. the folding depth; 237. a first distance; 238. a second distance; 239. length of the right-angle connector; 24. a fastener; 25. a protective steel plate; 251. bolt holes; 3. a fireproof mud layer; 4. fireproof blocking; 5. an electrical cable.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the invention. It should be noted that, for convenience of description, only the parts related to the present invention are shown in the drawings.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict. The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.

Referring to the attached drawing 1, the utility model provides a wall structure with wall bushing 2, this wall structure includes wall body 1, wall bushing 2, fire prevention mud layer 3, fire prevention putty 4 and cable 5. An opening is formed in the wall body 1, and the wall bushing 2 is embedded into the opening of the wall body 1. The middle part of the wall bushing 2 is provided with a hollow cavity, the inner wall of the cavity is provided with a fireproof mud layer 3, and the fireproof mud layer 3 is tightly packed. And the cable 5 passes through the cavity, and the cable 5 and the inner wall of the cavity form a gap which is filled by using the fireproof putty 4. The fireproof blocking material 4 is required to be tightly and firmly plugged, the sealing is tight, and the fireproof blocking material 4 is suggested to be made of fireproof mud, so that the fireproof mud has the advantages of long-term non-solidification and good plasticity and can be used for plugging at will.

Referring to fig. 2-6, the assembled and shaped trunking bridge wall bushing 2 is in a square frame shape and includes two vertical plates 21, two horizontal plates 22 and four right-angle connecting pieces 23. The two vertical plates 21 are used for being abutted with the side edges of the holes in the wall body 1, and the two transverse plates 22 are used for being abutted with the upper and lower edges of the holes in the wall body 1. The vertical plate 21 and the horizontal plate 22 are combined into a square frame shape. The right-angle connector 23 includes a first connecting plate 231 and a second connecting plate 232 perpendicular to each other.

The right-angle connecting piece 23 is connected with the surfaces of the vertical plates 21 and the transverse plates 22, which deviate from the inner wall surface of the opening on the wall body 1; the right-angle connecting pieces 23 are distributed on four inner angles of the opening on the wall body 1; the two vertical plates 21 and the two transverse plates 22 have the same length as the thickness of the wall body 1. Thereby will wear wall sleeve 2 and split, can batch production, regularization, standardized production component to on-the-spot rapid Assembly formula is fixed, once installs in place, can be convenient moreover tear open change the adjustment, used repeatedly.

The vertical plate 21 includes a first straight plate 211 and a plurality of first reinforcing ribs 212, and the plurality of first reinforcing ribs 212 are uniformly distributed on the first straight plate 211. The horizontal plate 22 includes a second straight plate 221 and a plurality of second reinforcing ribs 222, the plurality of second reinforcing ribs 222 are uniformly distributed on the first straight plate 211, and the distance between the plurality of first reinforcing ribs 212 is equal to the distance between the plurality of second reinforcing ribs 222. In a preferred embodiment, the first reinforcing rib 212 is disposed perpendicular to the longitudinal direction of the first straight plate body 211, and the second reinforcing rib 222 is disposed perpendicular to the longitudinal direction of the second straight plate body 221. The first reinforcing rib 212 and the second reinforcing rib 222 protrude from the inner surface of the first straight plate body 211 or the second straight plate body 221, so that the fireproof blocking material 4 and the sleeve plate body are well and tightly combined, the packing compactness of the fireproof blocking material 4 is ensured, and the fire resistance of the building is greatly improved.

The first straight plate 211 is lengthwiseThe two sides are provided with a first side plate 213; second side plates 223 are disposed on two sides of the second straight plate 221 in the length direction. First curb plate 213 with first straight plate body 211 forms first concave groove, second curb plate 223 with second straight plate body 221 forms second concave groove, first concave groove with second concave groove is used for the joint to form the wall body 1 of trompil. The first side plate 213 and the second side plate 223 are both provided with fixing holes. The first side plate 213 or the second side plate 223 is fixed to the wall body 1 through the fixing hole. Specifically, the length 215 of the long side of the vertical plate is equal to the thickness of the wall 1, the height 216 of the vertical plate is 100mm to 1000mm, and the width 217 of the first side plate is 30 mm. The length 224 of the long side of the horizontal plate is equal to the thickness of the wall 1, the width 225 of the horizontal plate is 100mm to 1000mm, and the width 226 of the second side plate is 30 mm. So that the wall bushing can meet a minimum of 100cm²The wire groove passes through the space and the maximum 1m²The wire casing of (2) passes through the space, can satisfy most wire casing requirements. Because the inside of the sleeve also needs to pass through the cable 5 and be provided with the fireproof mud, the fireproof blocking material 4 and the like, the size of the wall bushing 2 is not easy to be smaller than 100cm²Thereby improving the fire resistance of the building.

The right-angle connector 23 comprises a third side plate 235 positioned at the length direction side edge of the first and second connecting plates 232; the third side plate 235 is right-angled; the third side plate 235 is used for covering the first side plate 213 and the second side plate 223. The right angle portion of the right angle connector 23 is provided with an installation hole 230 for fixing the right angle connector 23 to the wall 1, so that the vertical plate 21 and the horizontal plate 22 can be pressed to the opening of the wall 1. When only the lateral direction of the wall body 1 is adopted to press the vertical plate 21 and the transverse plate 22, the right-angle connecting piece 23 and the middle parts of the vertical plate 21 and the transverse plate 22 may arch, so that the arrangement of the fireproof mud is influenced. Therefore, the middle portions of the first connecting plate 231 and the second connecting plate 232 are respectively provided with a fixing hole 214 for fixedly connecting with the vertical plate 21 or the horizontal plate 22, corresponding portions of the vertical plate 21 and the horizontal plate are also provided with corresponding threaded holes or unthreaded holes, and the fasteners 24 are connected with the threaded holes or the wall body 1 through the fixing holes 214, so that the right-angle connecting pieces 23 are pressed onto the vertical plate 21 and the horizontal plate 22.

The right-angle connecting piece 23 further comprises a first planar plate body for forming a first connecting plate 231 and a second planar plate body 233 for forming a second connecting plate 232; the surfaces of the first and second planar panels 233 are provided with a plurality of third reinforcing ribs 234. The first reinforcing rib 212, the second reinforcing rib 222 and the third reinforcing rib 234 are all U-shaped reinforcing ribs; when the vertical plate 21 is combined with the horizontal plate, the third reinforcing rib 234 of the right-angle connecting piece 23 is adapted to be engaged with the first reinforcing rib 212 or the second reinforcing rib 222. So that the right-angle connecting piece 23, the vertical plate 21 and the transverse plate 22 are relatively fixed in the length direction of the vertical plate 21. Meanwhile, the vertical plate 21 and the horizontal plate 22 can form a track by the first reinforcing rib 212, the second reinforcing rib 222 and the third reinforcing rib 234, which are fastened, and the size of the wall bushing 2 can be appropriately adjusted.

The third side plate 235 is provided with a flange 236 at a side edge away from the first connecting plate 231 or the second connecting plate 232, and the flange 236 is used for being clamped and positioned with the first side plate 213 or the second side plate 223. The size of the connection between the right-angle connector 23 and the vertical plate 21 and the horizontal plate 22 can be adjusted by sliding through the flange 236 of the third side plate 235 of the right-angle connector 23 and the U-shaped reinforcing plate rib of the plate body like a rail.

Further, the length 239 of the right-angle connecting member is the same as the thickness of the wall 1, the first distance 237 is from the free end of the second connecting plate 232 to the surface of the first planar body, the second distance 238 is from the free end of the first connecting plate 231 to the surface of the second planar body 233, and the first distance 237 and the second distance 238 may be the same length, or may be different lengths. The first distance 237 and the second distance 238 both range from 50mm to 300 mm. The flap 236 is formed in an arcuate configuration having a flap depth 2362 and a flap height 2361. Specifically, the fold-over depth 2362 and the fold-over height 2361 are both 5 mm.

Referring to fig. 7, the wall further includes a protection steel plate 25, and the protection steel plate 25 is used for being fixed on the outer side surface of the wall 1 and covering the first side plate 213 and the second side plate 223. A plurality of bolt holes 251 are uniformly distributed on the protective steel plate 25, and the right-angle connecting piece, the vertical plate 21, the transverse plate 22 and the protective steel plate 25 are connected through the reserved bolt holes 251 and are fixedly installed on a wall.

The wall bushing 2 of the utility model is installed in the wall body 1 by the following method.

Step 1: and (5) reserving the opening of the inner wall body of the building. The size of the opening on the building wall body is reserved according to the width of the bridge frame plus 10cm and the height of the bridge frame plus 10cm, the reserved size and the reserved position of the opening determine the quantity of the fireproof plugging materials 4 required for plugging and the appearance of the finished fireproof plugging, and the fireproof plugging device plays an important role in the economy and the appearance of the fireproof plugging treatment effect.

Step 2: and installing and fixing the wall bushing. This kind of assembled regularization's wire casing crane span structure wall bushing is the square frame shape, is formed by four right angle connecting pieces and four straight boards in plane through rivet fixation and carry out the erection joint, and the size of being connected between right angle connecting piece and the straight board in plane can slide the regulation through the turn-ups of right angle connecting piece side and the plate body U type reinforcing plate muscle like "track", and right angle connecting piece, riser, diaphragm and protection steel sheet are through the bolt hole connection of reserving, and the installation is fixed on the wall. Adopt the shutoff of fire prevention mud between wall bushing and building or the wire casing crane span structure, the secret combination of U type reinforcing plate muscle and the fire prevention mud through this sleeve pipe plate body to and through the relative regulation of right angle connecting piece and riser, diaphragm, can make this novel wall bushing, fire prevention mud and building and the inseparable fixed of wire casing crane span structure be in the same place. And the relative positions of the four right-angle connecting pieces and the transverse plates and the vertical plates are adjusted according to the size of the on-site trunking or bridge, and rivets are adopted for fixing when the distance between the transverse plates and the vertical plates is the same as the size of the building or trunking bridge. After the right-angle connecting piece and the transverse plate and the vertical plate are riveted and fixed, the fireproof mud is filled in the four right-angle connecting pieces and the transverse plate and the vertical plate, the fireproof mud is filled to be tight, the novel sleeve is sleeved on a building wire slot or a bridge frame at last, and the bolt hole reserved by the right-angle connecting piece, the transverse plate, the vertical plate and the protection plate is installed and fixed on a wall body.

Step 3: and (4) installing a wire groove and a bridge and laying a cable.

Step 4: protection plate manufacturing, fire prevention, corrosion prevention and other treatment and installation. The protection plate is made of a fireproof partition plate, and the size of each side of the protection plate is 100mm on the basis of the size of the opening; if the protective steel plate is used for cutting by using a cutting machine, gas welding cutting is not needed; the guard plates should ensure that the cross-flats are vertical and dimensional deviations should not exceed 3 mm. The opening of the protective steel plate is lofted and positioned according to the specification and the size of the bridge wire groove, the cut opening is ensured to be equivalent to the cross section of the bridge wire groove, burrs on the edge of the opening of the protective steel plate are polished completely by using a corner die machine after cutting, holes are formed in the number and the positions of bolts of the protective steel plate by using a bench drill, then the protective steel plate is divided into two symmetrical parts along the central line of the steel plate, and the protective steel plate is connected with a right-angle connecting piece, a transverse plate and a vertical plate through the bolt holes and is installed and fixed on a wall. And (3) derusting the manufactured finished protective steel plate, brushing two antirust paints, drying the paint, and brushing a fireproof coating, wherein the thickness of the fireproof coating is more than or equal to 10 mu m. The protection plate is connected with the right-angle connecting piece, the vertical plate and the transverse plate by expansion screws, and then is tightly attached and fixed on the wall surface.

Step 5: and (4) filling the fireproof blockage 4. The gaps between the cable slots of the bridge frame and the sleeve are uniformly paved, embedded and filled by using 4 bags of fireproof mud or fireproof blocking materials, and the gaps between the cables in the cable slots of the bridge frame are uniformly and compactly filled by using fireproof cotton or fireproof filling materials so as to prevent the spread of fire. The bridge frame and the wire groove penetrate through the position of the firewall, the bridge frame and the wire groove need to be cleaned up before plugging, cables in holes needing to be plugged are arranged and arranged as necessary, the fireproof plugging material is tightly and firmly plugged, the sealing is tight, the fireproof plugging material is suggested to be made of fireproof mud, and the fireproof mud has the advantages of long-term non-solidification and good plasticity and can be used for plugging at will. Gaps between the cable tray wire grooves and the wall body or the floor slab are uniformly paved, embedded and filled with fireproof cotton or fireproof filling bags, and the gaps between the cables in the cable tray are uniformly and compactly filled with the fireproof cotton or the fireproof filling bags. The opening is sealed after civil construction plastering is leveled in place, a groove with the depth of 30mm is reserved between the periphery of the bridge wire casing and the wall surface and the floor surface and is sealed and filled by fireproof mud, the fireproof mud protrudes 5-8 mm out of the wall surface and the floor surface, and the sealing surface is smooth and clean and has no defects of pulverization, hardening, cracking and the like.

In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

It will be understood by those skilled in the art that the foregoing embodiments are provided for clarity of description only, and are not intended to limit the scope of the invention. Other variations or modifications will occur to those skilled in the art based on the foregoing disclosure and are still within the scope of the invention.

Claims (10)

1. A wall bushing, its characterized in that: the vertical plate connecting device comprises two vertical plates, two transverse plates and four right-angle connecting pieces;

the two vertical plates are used for being abutted against the side edges of the holes in the wall body, and the two transverse plates are used for being abutted against the upper edge and the lower edge of the holes in the wall body;

the right-angle connecting piece comprises a first connecting plate and a second connecting plate which are perpendicular to each other; the first connecting plate and the second connecting plate are respectively provided with a fixing hole for fixedly connecting with the vertical plate or the transverse plate; the right-angle connecting piece is connected with the vertical plate and the surface of the transverse plate, which is far away from the inner wall surface of the opening on the wall body; the right-angle connecting pieces are distributed on four inner corners of the opening on the wall body;

the two vertical plates and the two transverse plates have the same length as the thickness of the wall body.

2. A wall bushing according to claim 1, wherein: the vertical plate comprises a first straight plate body and a plurality of first reinforcing ribs, and the first reinforcing ribs are uniformly distributed on the first straight plate body.

3. A wall bushing according to claim 2, wherein: the transverse plate comprises a second straight plate body and a plurality of second reinforcing ribs, and the second reinforcing ribs are uniformly distributed on the first straight plate body; the distance between the plurality of first reinforcing ribs is equal to the distance between the plurality of second reinforcing ribs.

4. A wall bushing according to claim 3, wherein: two side edges of the first straight plate body in the length direction are provided with first side plates; two sides of the second straight plate in the length direction are provided with second side plates; the first side plate and the first straight plate body form a first concave groove, the second side plate and the second straight plate body form a second concave groove, and the first concave groove and the second concave groove are used for being clamped to form the wall body with the hole.

5. A wall bushing according to claim 4, wherein: the right-angle connecting piece comprises a third side plate positioned on the side edges of the first connecting piece plate and the second connecting plate in the length direction; the third side plate is right-angled; the third side plate is used for covering the first side plate and the second side plate.

6. A wall bushing according to claim 5, wherein: the side edge of the third side plate, which is far away from the first connecting plate or the second connecting plate, is provided with a flanging, and the flanging is used for being clamped and positioned with the first side plate or the second side plate.

7. A wall bushing according to claim 5, wherein: the right-angle connecting piece also comprises a plurality of third reinforcing ribs penetrating through the first connecting plate and the second connecting plate.

8. A wall bushing according to claim 7, wherein: the first reinforcing rib, the second reinforcing rib and the third reinforcing rib are all U-shaped reinforcing ribs; when the vertical plate is spliced with the transverse plate, the third reinforcing rib of the right-angle connecting piece is suitable for buckling the first reinforcing rib or the second reinforcing rib.

9. A wall bushing according to any of claims 4-8, wherein: still include the protection steel sheet, the protection steel sheet is used for being fixed in the wall body lateral surface covers first curb plate and second curb plate.

10. A wall structure, characterized in that: comprising the wall bushing of any one of claims 1-9; the wall-through sleeve is embedded into an opening of a wall body, a fireproof mud layer is arranged on the inner wall of a cavity formed by the vertical plate and the transverse plate in an enclosing mode, a cable penetrates through the cavity, and fireproof blocking materials are filled in the cavity.

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