CN215595319U

CN215595319U - Prefabricated bay window and connection structure of prefabricated bay window and side fascia

Info

Publication number: CN215595319U
Application number: CN202022846389.5U
Authority: CN
Inventors: 俞大有; 周子健; 陈甫亮; 施明哲
Original assignee: Zhuyou Zhizao Technology Investment Co Ltd
Current assignee: Zhuyou Zhizao Technology Investment Co Ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2022-01-21
Anticipated expiration: 2030-12-01

Abstract

The prefabricated bay window comprises a surrounding inner frame, a surrounding flanging and an outer cantilever plate, wherein the outer cantilever plate comprises an upper cantilever plate and a lower cantilever plate, the surrounding flanging is arranged at the outer edge of one side of the surrounding inner frame, the peripheral edge of the surrounding flanging protrudes out of the edge of the surrounding inner frame, the upper cantilever plate is arranged at one side of the top of the surrounding flanging, which is far away from the surrounding inner frame, the upper surface of the top of the surrounding flanging is higher than the upper surface of the upper cantilever plate, the lower cantilever plate is arranged at one side of the bottom of the surrounding flanging, which is far away from the surrounding inner frame, and the lower surface of the bottom of the surrounding flanging is lower than the lower surface of the lower cantilever plate. The connecting structure of the prefabricated bay window and the external wall panel comprises the prefabricated bay window, the external wall panel and a connecting assembly, wherein a window opening is formed in the external wall panel, and an enclosing inner frame is inserted into the window opening; the connecting assembly comprises a connecting rod and a fastener, one end of the connecting rod is inserted into the external wall panel, and the other end of the connecting rod is fixed in the connecting notch through the fastener. The prefabricated bay window of this scheme is whole rigidity is strong, and waterproof nature is good, and the connection structure construction of prefabricated bay window and side fascia is simple and convenient.

Description

Prefabricated bay window and connection structure of prefabricated bay window and side fascia

Technical Field

The utility model belongs to the technical field of assembly type buildings, and particularly relates to a prefabricated bay window and a connection structure of the prefabricated bay window and an external wall panel.

Background

For the existing prefabricated bay window component, the mode of integrally prefabricating the bay window and the external wall panel is generally adopted, and the prefabricated bay window component mainly has the following defects: (1) the production mold is complex, the working procedures are multiple, and the demolding is inconvenient, so that the production cost of the external wall panel with the convex window is extremely high; (2) the integral prefabrication of the bay window and the external wall panel increases the weight of the prefabricated part, increases the lifting tonnage of the tower crane and further increases the lifting cost. To the bay window installation of current two-sided coincide wall, adopt the scheme of post-cast bay window usually, need carry out on-the-spot formwork and pour, then influence the efficiency of construction, be unfavorable for the assembly type building to promote.

For example, the technical solution of the utility model patent with application number 201510045284.0 has the following disadvantages: (1) the wall plate needs to be provided with a side-picking plate, the design of the building elevation line is greatly influenced, and the side-picking plate is arranged to enable only one side of the convex window to be opened, so that the view field of the convex window is influenced; (2) the L-shaped angle steel is arranged outside the bay window and the wallboard, and an outward-projecting bracket needs to be independently erected during installation; (3) the convex window plate directly extends into the wall plate, a horizontal post-cast joint exists, rainwater can flow into the wall plate along the post-cast joint, and the waterproof performance cannot be guaranteed; (4) the installation mode of the convex window is only suitable for the superposed wallboard, and for the fully prefabricated wallboard, if a screw hole is reserved on the wallboard, hole-to-hole installation is needed, so that the requirement on installation precision is high, and the field construction efficiency is influenced; (5) the wall of the bay window plate is thin, and the end part of the bay window is easy to crack during hoisting.

The technical solution of the utility model with application number 202020101003.5 has the following disadvantages: (1) the wall board needs to be provided with a side-picking board, which has great influence on the design of the building elevation lines; (2) the reinforcing steel bars extend out of the upper and lower plates of the bay window, and the beams or walls connected with the bay window are required to be re-formwork cast in situ; the extended steel bars are easy to interfere with the steel bars of the cast-in-place beam, and the on-site construction efficiency is influenced; (3) the prefabricated reverse ridge is arranged on the convex window, and external rainwater can possibly flow in through the cast-in-place seam.

The technical scheme of the utility model patent with the application number of 201811299091.8 has the following defects: (1) the bay window is placed outside the wallboard, and a vertical connecting seam exists between the bay window and the wallboard, so that the waterproof performance of the bay window cannot be ensured; (2) vertical through holes need to be reserved in the wall plate, and the wall plate is connected with the convex window and needs to be installed in a hole-aligning mode, so that the requirement on installation accuracy is high; (3) the temporary supports are arranged outside the bay window and the wall plate, and an outward-projecting bracket needs to be independently erected for supporting and mounting; (4) during hoisting, the wallboard is not poured, the bay window and the wallboard cannot form a stable stress state, and the bay window board wall is thin, so that the end part of the bay window is easy to crack during hoisting; (5) the steel anchor rod can protrude out of the inner surface of the wallboard when being anchored into the wallboard, occupies indoor space and influences the interior decoration effect.

The technical scheme of the utility model patent with the application number of 201822198591.4 has the following defects: (1) the bay window is placed outside the wallboard, and a vertical connecting seam exists between the bay window and the wallboard, so that the waterproof performance of the bay window cannot be ensured; (2) vertical through holes need to be reserved in the wall plate, and the wall plate is connected with the convex window and needs to be installed in a hole-aligning mode, so that the requirement on installation accuracy is high; (3) the window frame is enclosed to form a frame structure of a window, and the design of the building elevation lines is greatly influenced.

In summary, it is urgently needed to provide a prefabricated bay window and a connection structure of the prefabricated bay window and an external wall panel to solve the technical problems existing in the prior art, so as to enhance the overall rigidity of the bay window, improve the overall performance of the bay window in transportation and hoisting, improve the waterproof performance of the prefabricated bay window, and enhance the simplicity of connection construction of the prefabricated bay window and the external wall panel.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the utility model provides a prefabricated bay window and connection structure of prefabricated bay window and side fascia to solve the technical problem that exists among the prior art, realize strengthening the bulk rigidity of bay window, improve the wholeness ability of bay window in transportation, hoist and mount, improve the waterproof performance of prefabricated bay window, strengthen the simplicity of the connection construction of prefabricated bay window and side fascia.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a prefabricated bay window, closes the turn-ups including enclosing, encloses and encorbelments the board outward, encorbelment the board including last board and the board of encorbelmenting down, it sets up to enclose the turn-ups enclose the outer fringe of closing one side of inside casing, just enclose the turn-ups all around the edge all bulge in enclose the edge of closing the inside casing, on ram the board setting and be in enclose the deviating from of closing the turn-ups top enclose one side of closing the inside casing, just enclose the upper surface that closes turn-ups top and be higher than on ram the upper surface of board, down ram the board setting and be in enclose the deviating from of closing turn-ups bottom enclose one side of closing the inside casing, just enclose the lower surface that closes turn-ups bottom and be less than down ram the lower surface of board.

On the basis of the above embodiment, in another improved embodiment, a hanging nail is embedded in the top of the enclosing flanging; the inner surfaces of the two vertical sides of the enclosing flange are embedded with supporting sleeves, and the supporting sleeves are arranged at 1/3 heights away from the top of the enclosing flange.

On the basis of the above embodiment, in another improved embodiment, the lower surface of the upper cantilever plate, the lower surface of the top of the enclosing inner frame and the lower surface of the bottom of the enclosing flanging are all located on the same horizontal plane; the upper surface of the lower cantilever plate, the upper surface of the bottom of the enclosing inner frame and the lower surface of the bottom of the enclosing flanging are all positioned on the same horizontal plane; a slope is arranged between the upper surface of the top of the enclosing flanging and the upper surface of the upper cantilever plate, and a slope is arranged between the lower surface of the bottom of the enclosing flanging and the lower surface of the upper cantilever plate.

On the basis of the above embodiment, in another improved embodiment, the lower surface of the upper cantilever plate, the lower surface of the top of the enclosing inner frame and the lower surface of the bottom of the enclosing flanging are all located on the same horizontal plane; the upper surface of the lower cantilever plate, the upper surface of the bottom of the enclosing inner frame and the lower surface of the bottom of the enclosing flanging are all located on the same horizontal plane.

On the basis of the above embodiment, in another improved embodiment, a horizontal diversion trench is arranged on the upper surface of the top of the enclosing inner frame. And a horizontal diversion trench is arranged on the enclosing inner frame and can guide the infiltrated rainwater to two sides of the convex window.

On the basis of the above embodiment, in another improved embodiment, a hanging nail is embedded in the top of the enclosing flange. Because the thickness of enclosing the turn-ups is greater than and encloses the inside casing and the board of choosing, consequently will hang the nail pre-buried in enclosing the turn-ups, be difficult to the fracture when can guaranteeing to lift by crane.

On the basis of the above embodiment, in another improved embodiment, the top and the bottom of the enclosing inner frame are provided with connecting notches. So arranged, can be through coupling assembling with the side fascia top and bottom of prefabricated bay window together.

The utility model also provides a connecting structure of the prefabricated bay window and the external wall panel, which comprises the prefabricated bay window, the external wall panel and the connecting assembly, wherein the external wall panel is provided with a window opening, and the enclosed inner frame is inserted into the window opening; the connecting assembly comprises a connecting rod and a fastener, one end of the connecting rod is inserted into the external wall panel, and the other end of the connecting rod is fixed in a connecting groove opening of the enclosing inner frame through the fastener.

On the basis of the above embodiment, in another improved embodiment, the external wall panel is provided with a reverse sill on the indoor side of the window opening, and the enclosing inner frame is inserted into the window opening and abuts against the outdoor side of the reverse sill; the enclosing flanging is abutted against the outdoor side of the external wall panel. The waterproof reverse ridge of the external wall panel can prevent the infiltrated rainwater from entering the interior, and two waterproof glues arranged between the prefabricated convex window and the external wall panel further form material waterproof measures, so that 3 structural waterproof measures (enclosing the flanging, the horizontal diversion trench and the waterproof reverse ridge) and 2 material waterproof measures (enclosing the inner frame and the reverse ridge and enclosing the flanging and the outdoor side of the external wall panel) are ensured to be integrally formed.

On the basis of the above embodiment, in another improved embodiment, the connecting notch penetrates through the enclosing inner frame, the connecting notch comprises a first end facing the external wall panel and a second end far away from the external wall panel, and the inner diameter of the first end is smaller than that of the second end.

On the basis of the above embodiment, in another improved embodiment, the connecting rod is a screw rod with external threads, the fastener comprises a positioning plate and a nut, one end of the screw rod is inserted into the external wall panel, the other end of the screw rod is inserted into the connecting notch, and the nut fixes the positioning plate on the screw rod from the second end of the connecting notch; the diameter of the positioning plate is larger than the inner diameter of the first end of the connecting notch.

On the basis of the above embodiment, in another improved embodiment, the positioning plate includes an embedded toothed plate and a rear-mounted toothed plate, the embedded toothed plate and the rear-mounted toothed plate are both provided with through holes for passing screws, and the surfaces of the embedded toothed plate and the rear-mounted toothed plate are provided with mutually meshed insections, the embedded toothed plate is embedded in the first end of the connecting notch, and the gear of the embedded toothed plate is exposed out of the second end of the connecting notch; the end part of the screw rod is inserted into the connecting notch and penetrates through the embedded tooth-shaped plate and the rear installation tooth-shaped plate, and the nut fixes the embedded tooth-shaped plate and the rear installation tooth-shaped plate on the screw rod. The screw rod transmits force through the pre-buried toothed plate, and a preformed hole is formed in the enclosing inner frame, so that punching and installation are facilitated; enclose and close the inside casing and set up the connection notch of reserving, can adopt cement mortar to bury nut and screw rod wherein, avoid influencing interior decoration effect.

On the basis of the above embodiment, in another improved embodiment, the external wall panel is a fully prefabricated external wall panel or a prefabricated laminated external wall panel.

On the basis of the above embodiment, in another improved embodiment, a waterproof adhesive is provided between the enclosing inner frame and the outdoor side of the reversed bank; waterproof glue is arranged between the enclosing flanging and the outdoor side of the external wall panel.

The technical scheme of the utility model has the beneficial technical effects that:

1. the prefabricated bay window has the following advantages by arranging the enclosing flanging: the integral rigidity of the bay window is enhanced, and the integral performance of the bay window in transportation and hoisting is improved; the thickness of the flanging ensures the local rigidity of the lifting point of the convex window, and the phenomena of cracking, damage and the like under the working condition of lifting power are prevented; the flanging is outwards protruded to the periphery of the wallboard to reserve a hole to form a waterproof reverse ridge, so that the convex window and the external wallboard are prevented from forming a horizontal through seam.

2. According to the prefabricated bay window, the prefabricated production is carried out in a factory to form a modular design, when the prefabricated bay window is consistent in design size, a die for prefabricating the bay window can be repeatedly used, and the die cost for producing the prefabricated bay window is greatly reduced; the production and maintenance are completed in a factory, the production quality is high, only the node connection is completed on the spot, and the construction quality on the spot is ensured.

3. According to the connecting structure of the prefabricated bay window and the external wall panel, the external wall panel only needs to be provided with the waterproof reverse ridge, and the installation sleeve does not need to be pre-embedded, so that the factory production is facilitated; the connecting structure adopts dry connection or partial superposition wet connection, positioning and fixing between components do not need hole-aligning installation, the assembly difficulty is greatly reduced, and the site construction efficiency is effectively improved. Meanwhile, the node connection does not need to be subjected to on-site formwork support, and the cost of on-site formworks is reduced.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.

FIG. 1 is a schematic perspective view of a prefabricated bay window according to example 1;

FIG. 2 is a side view of FIG. 1;

fig. 3 is a schematic perspective view of a prefabricated bay window in a modification of embodiment 1;

FIG. 4 is a vertical sectional view of a connection structure of a prefabricated bay window and a fully prefabricated external wall panel in example 2;

FIG. 5 is a vertical sectional view of the connection structure between the top of the prefabricated bay window and the fully prefabricated external wall panel in example 2;

FIG. 6 is a vertical sectional view of a connection structure between the bottom of the prefabricated bay window and the fully prefabricated external wall panel in example 2;

fig. 7 is a schematic structural view of an embedded castellated plate in embodiment 2;

FIG. 8 is a connection slot view of the connection assembly at the connection slot of the prefabricated bay window of example 2; side-raising board

FIG. 9 is a vertical cross-sectional view of a side-cantilever structure of a prefabricated bay window and a prefabricated laminated external wall panel in example 3;

FIG. 10 is a schematic view of the structure of a rear loading castellated plate in embodiment 3.

Reference numerals:

1-prefabricated bay window 2-full prefabricated external wall panel 3-prefabricated superimposed external wall panel

4-connecting component 5-waterproof glue 6-hanging nail

7-glass 11-enclosing inner frame 12-enclosing flanging

13-upper cantilever plate 14-lower cantilever plate 15-horizontal diversion trench

16-connecting notch 17-side take-up plate 1731-outer side wall plate

32-inside wallboard 41-screw rod 42-nut

43-pre-buried toothed plate 44-rear mounted toothed plate 45-smooth surface hole

46-screw hole 22-reverse ridge

Detailed Description

The present invention will now be described in detail with reference to the drawings, which are given by way of illustration and explanation only and should not be construed to limit the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.

Example 1

Referring to the schematic drawings of fig. 1 to 2, the prefabricated bay window 1 in this embodiment includes a surrounding inner frame 11, a surrounding flange 12 and an outer cantilever plate, the outer cantilever plate includes an upper cantilever plate 13 and a lower cantilever plate 14, the surrounding flange 12 is disposed at an outer edge of one side of the surrounding inner frame 11, and the peripheral edge of the surrounding flange 12 protrudes from an edge of the surrounding inner frame 11, the upper cantilever plate 13 is disposed at one side of the top of the surrounding flange 12 deviating from the surrounding inner frame, an upper surface of the top of the surrounding flange 12 is higher than an upper surface of the upper cantilever plate 13, the lower cantilever plate 14 is disposed at one side of the bottom of the surrounding flange 12 deviating from the surrounding inner frame, and a lower surface of the bottom of the surrounding flange 12 is lower than a lower surface of the lower cantilever plate 14. Prefabricated bay window 1 in this embodiment is at factory production integrated into one piece, encloses and closes inside casing 11, encloses and closes turn-ups 12 and take out and do not have the concatenation gap between the board, the effectual waterproof performance that improves whole prefabricated bay window 1. And glass 7 is adopted to seal between an upper cantilever plate 13 and a lower cantilever plate 14 of the prefabricated bay window 1, so that a bay window structure with three transparent sides is formed, and the ventilation and light permeability are good.

Referring to fig. 1, in the embodiment, the enclosing flange 12 is a rectangular enclosing frame, the periphery of the flange protrudes outwards, the lower surface of the top of the enclosing flange 12 is flush with the lower surface of the upper cantilever plate 13, and the joint of the upper surface of the top of the enclosing flange 12 and the upper surface of the upper cantilever plate 13 is provided with a slope; the upper surface of the bottom of the enclosing flange 12 is flush with the upper surface of the lower cantilever plate 14, and the joint of the lower surface of the bottom of the enclosing flange 12 and the lower surface of the lower cantilever plate 14 is provided with a slope. Due to the arrangement, when the rainwater falls on the upper surface of the enclosing flanging 12, the rainwater can flow to the upper cantilever plate 13 along the slope, so that the rainwater is prevented from entering the connecting part of the enclosing inner frame 11 and the wall plate; when rainwater falls on the lower surface of the lower cantilever plate 14, the slope on the enclosing flanging 12 also prevents rainwater from entering the enclosing inner frame 11, so that the waterproof performance of the prefabricated bay window 1 is improved.

In a further modified embodiment, which is based on the above-described embodiment, the exterior cantilever further comprises a vertical side cantilever 17 connected to the upper cantilever 13 and the lower cantilever 14, as shown in fig. 3. When three-side ventilation is not needed in building design, the three-side ventilation structure can be arranged in such a way, and the overall rigidity of the prefabricated bay window 1 can be improved.

On the basis of the above embodiment, in another improved embodiment, the inner surfaces of the two vertical sides of the enclosing flange 12 are embedded with supporting sleeves, and the supporting sleeves are arranged at 1/3 height from the top of the enclosing flange. Set up like this, when lifting by crane location prefabricated bay window 1, when prefabricated bay window 1 has not been connected with other building main bodies, can be connected with the support sleeve through the bearing diagonal, fix prefabricated bay window 1 on the floor.

With reference to the illustrations of fig. 1 and 2, on the basis of the above-described exemplary embodiment, in a further modified exemplary embodiment, the upper deflector 13 and/or the lower deflector 14 are/is vertically flush with the containment flange 12. The arrangement can ensure that the cantilever plate does not protrude out of the surrounding flanging 12 in the vertical direction, and the attractiveness of the prefabricated bay window 1 is ensured.

Referring to the schematic illustration of fig. 2, on the basis of the above embodiment, in another modified embodiment, the lower surface of the upper cantilever plate 13, the lower surface of the top of the enclosing inner frame 11 and the lower surface of the bottom of the enclosing flange 12 are all located at the same horizontal plane; the upper surface of the lower cantilever plate 14, the upper surface of the bottom of the enclosing inner frame 11 and the lower surface of the bottom of the enclosing flange 12 are all located at the same horizontal plane.

Referring to the schematic view of fig. 2, in another modified embodiment, on the basis of the above embodiment, a horizontal guide groove 15 is formed on the upper surface of the top of the enclosing inner frame 11. Set up horizontal guiding gutter 15 on enclosing interior casing 11, can prevent that the rainwater from further entering into the piece joint between prefabricated bay window 1 and the side fascia with the both sides of the rainwater direction bay window of infiltration at enclosing interior casing 11 top.

Referring to the schematic diagram of fig. 2, on the basis of the above embodiment, in another modified embodiment, the hanging nail 6 is embedded at the top of the enclosing flange 12. Therefore, the prefabricated bay window can be conveniently lifted, the thickness of the enclosing flanging 12 is thicker than that of the cantilever plate and the enclosing inner frame 11, and the prefabricated bay window is not easy to crack during lifting.

In a further modified embodiment, based on the above embodiment, and with reference to the illustration of fig. 2, the top and bottom of the enclosing inner frame 11 are provided with connecting notches 16. The prefabricated bay window 1 and the external wall panel can be connected together by other connecting components 4.

Example 2

Referring to the illustrations of fig. 4 to 8, the connection structure of the prefabricated bay window 1 and the external wall panel in the embodiment includes the prefabricated bay window 1 in the embodiment 1, the external wall panel and the connection assembly 4, a window opening is formed in the external wall panel, and the enclosed inner frame 11 of the prefabricated bay window 1 is inserted into the window opening; the coupling assembly 4 includes a coupling rod having one end inserted into the exterior wall panel and the other end fixed in the coupling groove 16 of the enclosing inner frame 11 by a fastener, and a fastener. The external wall panel in this embodiment is the prefabricated external wall panel 2, and also the window opening is reserved in the production process, and double glazing 7 is installed at the outer edge of the enclosing flange 12 of the prefabricated bay window 1. In this embodiment, the side fascia is whole prefabricated, and prefabricated bay window 1 is whole prefabricated, and the window opening department that closes inside casing 11 and insert the side fascia with enclosing of prefabricated bay window 1 to through coupling assembling 4 with the top and the bottom of prefabricated bay window 1 be connected together with the side fascia, prefabricated bay window 1 go up/down to connect, vertical both sides are through waterproof glue 5 and shutoff of shutoff strip.

Referring to the illustrations of fig. 4 to 6, on the basis of the above embodiment, in another modified embodiment, the outdoor wall panel is provided with a reverse sill 22 at the indoor side of the window opening, and the enclosing inner frame 11 is inserted into the window opening and abuts against the outdoor side of the reverse sill 22; the enclosing flange 12 is abutted against the outdoor side of the external wall panel. In this embodiment, at the top/bottom of the opening of the outer wall panel, the lower surface/upper surface of the indoor side of the outer wall panel is designed to be lower/higher than the lower surface/upper surface of the outdoor side, so that the indoor side forms a waterproof back sill 22 preventing rainwater on the outdoor side from entering. The reverse ridge 22 of the external wall panel can prevent rainwater infiltrated between the prefabricated bay window 1 and the joint of the external wall panel from entering indoors. Thus, 3 structural waterproof measures (the enclosing flanging 12, the horizontal diversion trench 15 and the waterproof reverse sill 22) are formed by the enclosing flanging 12, the horizontal diversion trench 15 and the reverse sill 22 of the external wall panel.

Referring to the schematic drawings of fig. 4 and 5, in another modified embodiment, on the basis of the above embodiment, the connecting slot 16 vertically penetrates through the enclosing inner frame 11, and the connecting slot 16 comprises a first end facing the external wall panel and a second end far away from the external wall panel, and the inner diameter of the first end is smaller than that of the second end.

Referring to the illustrations of fig. 4 to 8, in a further modified embodiment, on the basis of the above embodiment, the connecting rod is a threaded rod 41 with external threads, and the fastening member includes a positioning plate and a nut 42, the nut 42 fixing the positioning plate to the threaded rod 41 from the second end of the connecting notch 16; the diameter of the positioning plate is greater than the inner diameter of the first end of the connection notch 16, thus enhancing the pulling resistance of the positioning plate at the connection notch 16. When the outer wall panel is installed, one end of the screw rod 41 is inserted into the hole of the outer wall panel, and the other end of the screw rod 41 is fixed in the middle connecting notch 16 through the positioning plate and the nut 42. Therefore, the installation is more convenient, and the connection between the prefabricated bay window 1 and the external wall panel is reliable.

Referring to the schematic drawings of fig. 7 and 8, on the basis of the above embodiment, in another modified embodiment, the positioning plate includes an embedded toothed plate 43 and a rear-mounted toothed plate 44, the embedded toothed plate 43 and the rear-mounted toothed plate 44 are both provided with through holes for the screw rod 41 to pass through, and the surfaces of the embedded toothed plate 43 and the rear-mounted toothed plate 44 are provided with mutually meshed insections, the embedded toothed plate 43 is embedded in the first end of the connecting notch 16, and the gear of the embedded toothed plate 43 is exposed out of the second end of the connecting notch 16; the end of the screw 41 is inserted into the connecting notch 16 and passes through the embedded tooth plate 43 and the rear tooth plate 44, and the nut 42 fixes the embedded tooth plate 43 and the rear tooth plate 44 to the screw 41.

Referring to the schematic drawings of fig. 7 and 8, in the present embodiment, the pre-buried toothed plate 43 and the post-buried toothed plate 44 are provided with smooth surface holes 45. The tooth shapes of the pre-buried tooth-shaped plate 43 and the rear-mounted tooth-shaped plate 44 are mutually meshed, the screw rod 41 transmits force through the pre-buried tooth-shaped plate 43 and the rear-mounted tooth-shaped plate 44, and the enclosing inner frame 11 is provided with a connecting notch 16 for convenient installation; after the installation, the connecting notch 16 can be filled with cement mortar to embed the nut 42 and the screw 41, thereby avoiding affecting the interior decoration effect. The inner surface of the prefabricated bay window 1 is provided with a post-attached thermal insulation decorative plate to finish thermal insulation and decoration of the bay window, and the post-attached window frame is connected with the pre-embedded door and window connecting piece to finish installation of the window.

Referring to the illustrations of fig. 4 to 6, on the basis of the above embodiment, in another modified embodiment, the waterproof glue 5 is arranged between the enclosing inner frame 11 and the outdoor side of the anti-ridge 22; waterproof glue 5 is arranged between the enclosing flanging 12 and the outdoor side of the external wall panel. Thus, 2 material waterproof measures between the external wall panel and the prefabricated convex window 1 are realized, and the material waterproof measures and the structure are waterproof, so that the waterproof treatment between the abutted joints of the pre-supported convex window and the external wall panel is effectively realized.

With continuing reference to the schematic illustrations of fig. 4 and 8, the steps of installing the prefabricated bay window 1 to external wall panel connection structure in one embodiment will be briefly described:

(1) and (3) completing concrete pouring and curing, hole reservation and embedding of door and window connecting pieces of the fully-prefabricated external wall panel 2 and the prefabricated convex window 1 in a factory.

(2) Hoisting the fully-prefabricated external wall panel 2, erecting and supporting the fully-prefabricated external wall panel 2 to fix, hoisting the modularized bay window and horizontally embedding the bay window into the prefabricated external wall panel, wherein the indoor side edge of the enclosed inner frame 11 of the prefabricated bay window 1 is close to the reverse sill 22 of the fully-prefabricated external wall panel 2, the bottom of the enclosed inner frame 11 is supported on the upper surface of the bottom of the reserved hole of the fully-prefabricated external wall panel 2, and the pre-buried support sleeve of the prefabricated bay window 1 is connected with the inclined support.

(3) Penetrating a screw rod 41 through a connecting notch 16 of an enclosing inner frame 11, drilling holes in positions corresponding to the fully prefabricated external wall panels 2, drilling bar planting glue into the rear drilled holes, inserting the screw rod 41 into holes of the fully prefabricated external wall panels 2 after penetrating the connecting notch 16 of the enclosing inner frame 11 for bar planting, putting a rear installation toothed plate 44 after the bar planting glue is solidified, and screwing a nut 42 to fix the rear installation toothed plate 44 and an embedded toothed plate 43 on the middle screw rod 41; the screw rods 41 surrounding the top and the bottom of the inner frame 11 are installed to fix the prefabricated bay window 1, and finally, the exposed screw rods 41 of the window opening are cut off.

(4) Demolish interim bracing, squeeze into the waterproof glue of building 5 in the handing-over department that closes turn-ups 12 and prefabricated exterior wall panel 2 entirely, squeeze into the waterproof glue of building 5 in the anti-bank 22 handing-over department that closes inside casing 11 and prefabricated exterior wall panel 2 entirely, pack cement mortar in the reservation notch that closes inside casing 11 and carry out the veneer and make level.

Example 3

Referring to the schematic drawings of fig. 9 and 10, the connection structure of the prefabricated bay window 1 and the external wall panel in the present embodiment is different from the structure in embodiment 2 in that: for prefabricated coincide external wall panel 3 in this embodiment, prefabricated coincide external wall panel 3 includes outside wallboard 31 and inboard wallboard 32 and connects the wave muscle of outside wallboard 31 and inboard wallboard 32. The middle of the pre-buried toothed plate 43 and the post-installation toothed plate 44 in this embodiment is provided with a threaded hole 46, and the inner wall of the threaded hole 46 is provided with an internal thread which is matched with the external thread of the screw rod 41. When installed, the difference is that step (3) is different from example 2: the screw rod 41 penetrates through the connecting notch 16 of the enclosing inner frame 11, and the screw rod 41 is in threaded connection with the embedded toothed plate 43; and placing a rear installation toothed plate 44 at the second end of the connecting notch 16, connecting the rear installation toothed plate 44 with the screw rod 41 in a threaded manner, matching the tooth shapes of the rear installation toothed plate 44 and the embedded toothed plate 43, screwing a nut 42 to fix the rear installation toothed plate 44 and the embedded toothed plate 43 on the screw rod 41, pouring cavity concrete to fix the bay window and cutting off the exposed screw rod 41.

The foregoing is only a preferred embodiment of the present invention, and 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. The utility model provides a prefabricated bay window, its characterized in that closes the inside casing, encloses to close the turn-ups and the board of encorbelmenting outward including enclosing, the board of encorbelmenting includes and encorbelments the board down, it sets up to enclose to close the turn-ups the outer fringe of one side of closing the inside casing, just enclose and close turn-ups all around the edge protrusion in enclose the edge of closing the inside casing, it sets up to go up to ram the board enclose and close deviating from at turn-ups top enclose one side of closing the inside casing, just enclose the upper surface that closes turn-ups top and be higher than on ram the upper surface of board, it sets up to ram down enclose and close deviating from of turn-ups bottom enclose one side of closing the inside casing, just enclose the lower surface that closes turn-ups bottom and be less than down ram the lower surface of board.

2. The prefabricated bay window of claim 1, wherein a hanging nail is embedded in the top of the enclosing flange; the inner surfaces of the two vertical sides of the enclosing flange are embedded with supporting sleeves, and the supporting sleeves are arranged at 1/3 heights away from the top of the enclosing flange.

3. The prefabricated bay window of claim 1, wherein the lower surface of the flip-up plate, the lower surface of the top of the containment innerframe, and the lower surface of the bottom of the containment flange are all located at the same horizontal plane; the upper surface of the lower cantilever plate, the upper surface of the bottom of the enclosing inner frame and the lower surface of the bottom of the enclosing flanging are all positioned on the same horizontal plane; a slope is arranged between the upper surface of the top of the enclosing flanging and the upper surface of the upper cantilever plate, and a slope is arranged between the lower surface of the bottom of the enclosing flanging and the lower surface of the upper cantilever plate.

4. The prefabricated bay window of claim 1, wherein the top surface of the top of the enclosed inner frame is provided with a horizontal channel.

5. Prefabricated bay window according to any of claims 1-4, wherein the top and bottom of the enclosing inner frame are provided with connecting notches.

6. A prefabricated bay window and external wall panel connecting structure, which comprises the prefabricated bay window as claimed in claim 5, an external wall panel and a connecting assembly, wherein a window opening is formed in the external wall panel, and the enclosing inner frame is inserted into the window opening; the connecting assembly comprises a connecting rod and a fastener, one end of the connecting rod is inserted into the external wall panel, and the other end of the connecting rod is fixed in a connecting groove opening of the enclosing inner frame through the fastener.

7. The connecting structure of the prefabricated bay window and the external wall panel as claimed in claim 6, wherein the external wall panel is provided with a reverse sill at the indoor side of the window opening, and the enclosing inner frame is inserted into the window opening and abuts against the outdoor side of the reverse sill; the enclosing flanging is abutted against the outdoor side of the external wall panel.

8. The prefabricated bay window and external wall panel connection structure as claimed in claim 7, wherein said connection slot extends through said enclosed interior casing, said connection slot including a first end facing said external wall panel and a second end remote from said external wall panel, said first end having an inner diameter smaller than an inner diameter of said second end.

9. The prefabricated bay window and external wall panel connecting structure as claimed in claim 8, wherein said connecting rod is a threaded rod with external threads, said fastening member comprises a positioning plate and a nut, one end of said threaded rod is inserted into said external wall panel, the other end of said threaded rod is inserted into said connecting notch, said nut fixes said positioning plate on said threaded rod from the second end of said connecting notch; the diameter of the positioning plate is larger than the inner diameter of the first end of the connecting notch.

10. The connecting structure of the prefabricated bay window and the external wall panel as claimed in claim 9, wherein the positioning plate comprises an embedded toothed plate and a rear-mounted toothed plate, the embedded toothed plate and the rear-mounted toothed plate are both provided with through holes for screws to pass through, and the surfaces of the embedded toothed plate and the rear-mounted toothed plate are provided with insections which are mutually engaged, the embedded toothed plate is embedded at the first end of the connecting notch, and the gear of the embedded toothed plate is exposed out of the second end of the connecting notch; the end part of the screw rod is inserted into the connecting notch and penetrates through the embedded tooth-shaped plate and the rear installation tooth-shaped plate, and the nut fixes the embedded tooth-shaped plate and the rear installation tooth-shaped plate on the screw rod.

11. The prefabricated bay window and external wall panel connection structure as claimed in claim 7, wherein the external wall panel is a fully prefabricated external wall panel or a prefabricated laminated external wall panel.

12. The connecting structure of the prefabricated bay window and the external wall panel as claimed in claim 7, wherein a waterproof adhesive is disposed between the enclosing inner frame and the outdoor side of the reversed bank; waterproof glue is arranged between the enclosing flanging and the outdoor side of the external wall panel.