CN210918670U

CN210918670U - Extensible unit window

Info

Publication number: CN210918670U
Application number: CN201921498971.8U
Authority: CN
Inventors: 邓嘉成; 贾凤鸣; 刘爱华
Original assignee: Jiangsu Shilang Taide Energy Saving Technology Co ltd
Current assignee: Jiangsu Shilang Taide Energy Saving Technology Co ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-07-03
Anticipated expiration: 2029-09-09

Abstract

The utility model discloses an extensible unit window in the building door and window field, including basic window, arrange in proper order on the basic window and be connected with a plurality of extension window, be provided with extension coupling assembling one between basic window and the adjacent extension window, also be provided with extension coupling assembling two between two adjacent extension windows. The utility model discloses can realize expanding a plurality of extension window wantonly on basic window, realize outwards expanding and extend the window frame, the regional area of extension window, the size in order to adapt to the window hole through the combination of a plurality of extension windows.

Description

Extensible unit window

Technical Field

The utility model belongs to building door and window field, in particular to extensible unit window.

Background

At present the window opening size of some windows is inconsistent with ordinary window opening size, for example in order to satisfy the demand of office staff to daylighting, the length dimension of the window of some office buildings is great in the architectural design, and the entrance to a cave of installation window is great, and the design size of this type of window is great, and the shape is irregular, if carry out whole processing with the window frame according to traditional way, all have great difficulty during transportation transport, construction installation, the quality is difficult to guarantee, unreasonable in the economic cost.

Among the prior art, there is a unit window connection structure, its patent application number: 201420266563.0, respectively; application date: 2014-05-22; the structure of the device comprises a corner frame and a pressing plate; the angle frame is a cylinder body with two extending ends, the two extending ends are perpendicular to each other, extending parts are arranged on the two extending ends, and the extending parts extend along the direction far away from the angle frame; each extending end is fixedly connected with a pressing plate, and one end of each pressing plate is a fixed part and is fixedly connected with one side of each extending end; the other end of the pressure plate is a pressing part which is used for matching with the extension part to press the unit window on the extension part. This unit window connection structure is through setting up two perpendicular ends that stretch out on the angle frame, all fixes a unit window through the clamp plate on each stretches out the end to realize the fixed connection of unit window in the corner. The disadvantages are that: the connecting structure can only connect two vertical unit windows at the corners, and can not realize the arbitrary expansion and connection of a plurality of unit windows on the basic window body.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an extensible unit window can realize expanding a plurality of expansion window wantonly on basic window, realizes outside extension window frame, and the regional area of expansion window, the combination through a plurality of expansion windows is with the size in order to adapt to the window hole.

The purpose of the utility model is realized like this: an extensible unit window comprises a basic window, wherein a plurality of extensible windows are sequentially connected to the basic window in an arrayed mode, an extensible connecting assembly I is arranged between the basic window and an adjacent extensible window, the extensible connecting assembly I comprises a first corner connector and a second corner connector, the first corner connector and the second corner connector are used for fixing a group corner of the basic window, and the second corner connector is connected with an extensible corner connector for installing the extensible windows; and a second expansion connecting component is also arranged between two adjacent expansion windows.

Compared with the prior art, the beneficial effects of the utility model reside in that: the structure can split a window frame with longer length in the building design into a plurality of unit structures, can realize the arbitrary expansion connection of a plurality of expansion windows on a basic window, realize the outward expansion of the extension window frame, expand the area of the window, and adapt to the size of a window hole through the combination of a plurality of expansion windows; the production, the transportation and the installation of the window frame section bar are more convenient, the section bars with corresponding specifications can be manufactured in a factory, and the section bars are assembled and combined on site, so that the adaptability is strong, and the assembly is flexible and convenient; and in the expansion of the window frame, the section width of the section bar is not increased.

As a further improvement of the utility model, the foundation window comprises a foundation window sash, wherein the upper side, the lower side, the left side and the right side of the foundation window sash are respectively provided with a foundation upper frame profile, a foundation lower frame profile, a foundation left side frame profile and a foundation right side frame profile; the expansion window comprises an expansion window sash, and an expansion upper frame profile, an expansion lower frame profile and an expansion right frame profile are respectively arranged on the upper side, the lower side and the right side of the expansion window sash. The expansion lower frame section bar and the foundation lower frame section bar can be connected into a whole.

As a further improvement of the present invention, the first extension connection assembly is arranged at the right upper corner group of the basic window or the right lower corner group of the basic window or both the right upper corner group and the right lower corner group of the basic window; the base upper frame profile and the base right side frame profile are perpendicular to each other, the base upper frame profile and the base lower frame profile are parallel, clamping grooves are formed in the base upper frame profile, the base lower frame profile and the base right side frame profile along the length direction, the first corner connectors are installed on the clamping grooves of the base upper frame profile or the base lower frame profile, the second corner connectors are installed on the clamping grooves of the base right side frame profile, extension corner connectors used for fixing the extension upper frame profile or the extension lower frame profile are connected to the second corner connectors, the extension corner connectors are perpendicular to the second corner connectors, clamping grooves are also formed in the extension upper frame profile or the extension lower frame profile corresponding to the extension corner connectors, and grooves are formed in the extension upper frame profile or the extension lower frame profile corresponding to the first corner connectors and the second corner connectors. The group angle of the basic window can be fixed through the first angle code and the second angle code, and the expansion angle code is used as a connecting piece of the expansion frame section bar and can be used for connecting the expansion frame section bar.

As a further improvement of the present invention, the first corner brace, the second corner brace and the extended corner brace each include a main body portion inserted into the corresponding slot, the width of the main body portion is adapted to the slot width of the slot, and the upper inner wall of the slot is used for limiting the main body portion in the height direction of the slot; the main body part is provided with an axial limiting part, and the axial limiting part limits the main body part in the length direction of the clamping groove. First angle sign indicating number, second angle sign indicating number and extension angle sign indicating number all have the structure of similar part, and the main part corresponds with the draw-in groove, with the fixed position of main part.

As a further improvement of the present invention, the axial limiting portion includes two limiting blocks respectively disposed at the left and right sides of the main body portion, and the two limiting blocks are both located at the rear side edge above the main body portion; each section bar is parallel to the axis of the corresponding clamping groove, the left side and the right side of the corresponding clamping groove on the section bar are axially provided with clamping groove edges, the two clamping groove edges are provided with insertion grooves, and the two insertion grooves are correspondingly arranged left and right; the section of the clamping groove side is L-shaped, the insertion groove is rectangular, and the width of the insertion groove is matched with the width of the horizontal extension part of the clamping groove side; after the main body part is inserted into the clamping groove, the limiting block is contacted with the limiting inner wall corresponding to the insertion groove; an edge groove is formed in the right side of the main body part, the length of the edge groove is smaller than that of the main body part, an upward-protruding limiting plate is arranged on the edge of the right side of the main body part, the limiting plate is in contact with the side of the right clamping groove, and the left side of the main body part is in contact with the inner wall of the left side of the clamping groove; the front side of the main body part positioned at the rear of the edge groove is provided with a guide inclined plane which is arranged corresponding to the limiting inner wall of the insertion groove corresponding to the clamping groove edge. The axial limiting part limits the main body part in the length direction of the clamping groove, the width of the main body part and the groove width of the clamping groove cannot generate interference by arranging the edge groove, and the main body part can enter the clamping groove; the first corner brace can move along the axial direction of the clamping groove after entering the clamping groove, the guide inclined plane is contacted with the edge of the limiting inner wall of the insertion groove, and guides the first corner brace when moving, after the first corner brace axially moves in place, the limiting block is contacted with the limiting inner wall of the front side of the corresponding insertion groove in a matching manner, the first corner brace and the second corner brace are fixedly connected, the second corner brace is attached to the clamping groove of the second window frame section bar in the vertical direction, the first corner brace is limited from sliding backwards in the clamping groove, and the first corner brace is ensured to be incapable of moving backwards and forwards in the length direction of the clamping groove to realize positioning; the limiting plate is contacted with the side of the right clamping groove, the left side of the main body part is contacted with the inner wall of the left side of the clamping groove, and the main body part is limited in the width direction of the clamping groove; first corner sign indicating number main part contacts with the upside inner wall of draw-in groove, and the main part downside contacts with the draw-in groove bottom, guarantees that first corner sign indicating number can't the oscilaltion removal realize the location in draw-in groove direction of height.

As a further improvement of the utility model, the main body parts of the first corner brace and the second corner brace are respectively provided with a first connecting part and a second connecting part, the first connecting part and the second connecting part are both arranged in an inclined manner at an angle of 45 degrees, one side of the first connecting part is provided with a clamping hook and a clamping block, a clamping groove is formed between the clamping hook and the clamping block, the other side of the first connecting part is provided with a pressing block, the bottom of the pressing block is provided with a pressing surface, and the surface of the first connecting part is positioned below the pressing block and is provided with a first meshing surface; the connecting part II is provided with a first groove, a chuck is formed on one side of the connecting part II, which is positioned at the first groove, the chuck is inserted into the bayonet groove in a matching way, the inner wall of the first groove is provided with a supporting surface corresponding to the pressing surface, the supporting surface is mutually attached to the pressing surface, the other side of the surface of the connecting part II, which is positioned at the first groove, is provided with a second engaging surface corresponding to the first engaging surface, and the second engaging surface is mutually attached to the first engaging surface; the first connecting part and the second connecting part are both provided with connecting holes and are fixedly connected through a first fastening piece, and the axis of the first fastening piece is obliquely arranged; the bottom of the main body part of the first corner connector and the second corner connector is provided with at least two protruding parts, the protruding parts are in contact with the bottom of the clamping groove of the window frame section bar, the protruding parts positioned on the front side are arranged on the edge of the main body part, the front parts of the protruding parts positioned on the front side are provided with protruding part meshing surfaces inclined at an angle of 45 degrees, and the front parts of the protruding parts positioned on the front side are provided with separating grooves below the protruding part meshing surfaces; the front side of the main body part is obliquely arranged, the left side of the main body part is also obliquely arranged, and the main body part is provided with a plurality of through grooves. According to the technical scheme, the first connecting part and the second connecting part form a matching connection relationship, the first connecting part and the second connecting part are easy to attach, and the first connecting part and the second connecting part are convenient to fixedly connect through the first fastening piece; the separation groove enables gaps to be reserved between the first connecting part, the second connecting part and the section bar, so that the first connecting part and the second connecting part are prevented from being interfered with each other, and the first connecting part and the second connecting part are convenient to fix; the main part left side slope chamfer is convenient for the main part to remove in the draw-in groove.

As a further improvement of the utility model, the main body parts of the first corner brace and the second corner brace are provided with two reinforcing rib plates corresponding to each other from left to right, a supporting plate is arranged between the two reinforcing rib plates, the supporting plate is provided with a threaded hole, and the axis of the threaded hole is vertical to the main body part; the extension supporting part is arranged on the front side of the main body part of the extension corner connector, the extension supporting part extends into a position between two reinforcing rib plates of the second corner connector and is supported on the supporting plate, a connecting plate is arranged on the lower side of the main body part of the extension corner connector corresponding to the supporting plate, the connecting plate and the supporting plate are parallel to each other and are fixed through a fastener two phase, and a fastener two axis is vertical to the connecting plate. Be provided with the connecting plate that is used for joint support board on the extension angle sign indicating number, after the extension angle sign indicating number inserted the draw-in groove of extension section bar, promoted the extension angle sign indicating number and removed along the draw-in groove, after the stopper of extension angle sign indicating number contacted with the inner wall that corresponds the insertion groove, extension supporting part just in time supported in the backup pad, and rethread fastener two is fixed extension angle sign indicating number and corresponding angle sign indicating number mutually.

As a further improvement, extension coupling assembling two sets up and all is provided with extension coupling assembling two corresponding extension window right side top group angle or corresponding extension window right side below group angle or corresponding extension window right side top, below group angle, extension coupling assembling two includes first angle sign indicating number and second angle sign indicating number, has all seted up the draw-in groove along length direction on the extension upper ledge section bar that corresponds, extension lower frame section bar and the extension right side frame section bar, and first angle sign indicating number is installed on the draw-in groove of extension upper ledge section bar or extension lower frame section bar, and the second angle sign indicating number is installed on the draw-in groove of extension right side frame section bar, is connected with the extension angle sign indicating number that is used for fixed adjacent extension upper ledge section bar or extension lower frame section bar on the second angle sign indicating number, corresponds the extension angle sign indicating number on adjacent extension upper ledge section bar or the extension lower frame section bar and also is provided. The expansion connection component serves two purposes to connect two adjacent expansion windows.

As the utility model discloses a further improvement is located the avris right side top, the below group angle of extension window all are provided with first angle sign indicating number and second angle sign indicating number. The first corner brace and the second corner brace can fix the group corners of the expansion window on the side.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of a base upper frame section and a base right side frame section of the base window.

Fig. 3 is a schematic structural view of a base upper frame section and a base right side frame section of the base window.

Fig. 4 is a top view of fig. 3.

FIG. 5 is a top view of the first corner brace and the second corner brace.

Fig. 6 is a front view of the first corner brace and the second corner brace.

Fig. 7 is a partially enlarged view of fig. 6.

Fig. 8 is a perspective view of the first corner brace and the second corner brace.

Fig. 9 is a perspective view of the first corner brace and the second corner brace.

Fig. 10 is a perspective view of the first corner brace and the second corner brace.

Fig. 11 is a cross-sectional view along AA of fig. 4.

Fig. 12 is a cross-sectional view taken along the direction BB of fig. 4.

Fig. 13 is a cross-sectional view taken along line CC of fig. 3.

Fig. 14 is a schematic structural diagram of the basic upper frame profile, the basic right side frame profile and the extended upper frame profile.

Fig. 15 is an enlarged view of D in fig. 14.

Fig. 16 is a schematic structural diagram of the first corner brace, the second corner brace, and the extended corner brace.

Fig. 17 is a schematic structural diagram of an extended corner code.

Fig. 18 is a schematic structural diagram of an extended corner code.

Fig. 19 is a schematic structural view of a base lower frame profile and a base right side frame profile.

Fig. 20 is a partially enlarged view of fig. 19.

The first corner connector 1, the first connecting part 101, the second corner connector 2, the second connecting part 201, the second base window 3, the upper base frame profile 301, the right base frame profile 302, the lower base frame profile 303, the extended window 3a, the upper extended frame profile 3a1, the right extended frame profile 3a2, the 4-slot edge, the main body part 5, the 6 limiting block, the 7-slot, the 8-edge slot, the 9-limiting plate, the 10-guiding inclined plane, the first fastening part 11, the second fastening part 11, the 12-hook, the 13-clamping block, the 14-pressing plane, the first 15-engaging plane, the second 16-engaging plane, the first 17-groove, the 17-a supporting plane, the 18-clamping head, the 19-protruding part, the 20-protruding part-engaging plane, the 21-separating slot, the 22-penetrating slot, the 23-reinforcing rib plate, the 24-supporting plate, the 24-a threaded hole, the 25.

Detailed Description

As shown in fig. 1 to 18, an expandable unit window includes a base window 3, a plurality of expansion windows 3a are sequentially connected to the base window 3, an expansion connection assembly i is disposed between the base window 3 and an adjacent expansion window 3a, the expansion connection assembly i includes a first corner connector 1 and a second corner connector 2 for fixing a group of corners of the base window 3, and the second corner connector 2 is connected to an expansion corner connector 25 for installing the expansion window 3 a; an expansion connecting assembly II is also arranged between two adjacent expansion windows 3 a. The basic window 3 comprises basic window 3 leaves, and the upper side, the lower side, the left side and the right side of each basic window 3 leaf are respectively provided with a basic upper frame profile 301, a basic lower frame profile 303, a basic left side frame profile and a basic right side frame profile 302; the expansion window 3a comprises an expansion window 3a sash, and the upper side, the lower side and the right side of the expansion window 3a sash are respectively provided with an expansion upper frame profile 3a1, an expansion lower frame profile and an expansion right side frame profile 3a 2.

The expansion connecting assembly I is arranged at the upper right group corner of the basic window 3, or the lower right group corner of the basic window 3, or the upper right group corner and the lower right group corner of the basic window 3; the base upper frame profile 301 and the base right side frame profile 302 are perpendicular to each other, the base upper frame profile 301 and the base lower frame profile 303 are parallel, the base upper frame profile 301, the base lower frame profile 303 and the base right side frame profile 302 are all provided with clamping grooves 4 along the length direction, the first corner connectors 1 are installed on the clamping grooves 4 of the base upper frame profile 301 or the base lower frame profile 303, the second corner connectors 2 are installed on the clamping grooves 4 of the base right side frame profile 302, the second corner connectors 2 are connected with expansion corner connectors 25 used for fixing the expansion upper frame profile 3a1 or the expansion lower frame profile, the expansion corner connectors 25 are perpendicular to the second corner connectors 2, the expansion upper frame profile 3a1 or the expansion lower frame profile is also provided with the clamping grooves 4 corresponding to the expansion corner connectors 25, and the expansion upper frame profile 3a1 or the expansion lower frame profile is provided with the groove two 26 corresponding to the first corner connectors 1 and the second corner connectors 2. The first corner brace 1, the second corner brace 2 and the expansion corner brace 25 respectively comprise a main body part 5 inserted into the corresponding clamping groove 4, the width of the main body part 5 is adapted to the groove width of the clamping groove 4, and the inner wall of the upper side of the clamping groove 4 limits the main body part 5 in the height direction of the clamping groove 4; the main body part 5 is provided with an axial limiting part which limits the main body part 5 in the length direction of the clamping groove 4. The axial limiting part comprises two limiting blocks 6 which are respectively arranged at the left side and the right side of the main body part 5, and the two limiting blocks 6 are both positioned at the rear side edge above the main body part 5; each section bar is parallel to the axis of the corresponding clamping groove 4, clamping groove edges 4a are axially arranged on the section bar at the left side and the right side of the corresponding clamping groove 4, insertion grooves 7 are respectively arranged on the two clamping groove edges 4a, and the two insertion grooves 7 are correspondingly arranged left and right; the section of the card slot side 4a is L-shaped, the insertion groove 7 is rectangular, and the width of the insertion groove 7 is adapted to the width of the horizontal extension part of the card slot side 4 a; after the main body part 5 is inserted into the clamping groove 4, the limiting block 6 is contacted with the limiting inner wall corresponding to the insertion groove 7; an edge groove 8 is formed in the right side of the main body part 5, the length of the edge groove 8 is smaller than that of the main body part 5, a limiting plate 9 protruding upwards is arranged on the edge of the right side of the main body part 5, the limiting plate 9 is in contact with the right side clamping groove edge 4a, and the left side of the main body part 5 is in contact with the inner wall of the left side of the clamping groove 4; the front side of the main body part 5 positioned at the rear of the edge groove 8 is provided with a guide inclined plane 10, and the guide inclined plane 10 is arranged corresponding to the limiting inner wall of the insertion groove 7 corresponding to the clamping groove edge 4 a.

The main body part 5 of the first corner brace 1 and the second corner brace 2 are respectively provided with a first connecting part 101 and a second connecting part 201, the first connecting part 101 and the second connecting part 201 are both obliquely arranged at an angle of 45 degrees, one side of the first connecting part 101 is provided with a clamping hook 12 and a clamping block 13, a clamping groove is formed between the clamping hook 12 and the clamping block 13, the other side of the first connecting part 101 is provided with a pressing block 14, the bottom of the pressing block 14 is provided with a pressing surface 14a, and the surface of the first connecting part 101 is positioned below the pressing block 14 and is provided with a first meshing surface; a first groove 17 is formed in the connecting part II 201, a chuck 18 is formed on one side, located on the first groove 17, of the connecting part II 201, the chuck 18 is inserted into the bayonet groove in a matched mode, a supporting surface 17a corresponding to the pressing surface 14a is arranged on the inner wall of the first groove 17, the supporting surface 17a is attached to the pressing surface 14a, a second meshing surface 16 is arranged on the other side, located on the first groove 17, of the surface of the connecting part II 201, corresponds to the first meshing surface 15, and the second meshing surface 16 is attached to the first meshing surface 15; the first connecting part 101 and the second connecting part 201 are both provided with connecting holes and fixedly connected through a first fastening piece 11, and the axis of the first fastening piece 11 is obliquely arranged; the bottom of the main body part 5 of the first corner connector 1 and the second corner connector 2 is provided with at least two protruding parts 19, the protruding parts 19 are contacted with the bottom of the clamping grooves 4 of the window frame section, the protruding part 19 positioned on the front side is arranged on the edge of the main body part 5, the front part of the protruding part 19 positioned on the front side is provided with a protruding part engaging surface 20 inclined at an angle of 45 degrees, and the front part of the protruding part 19 positioned on the front side is provided with a separation groove 21 below the protruding part engaging surface 20; the main body 5 is disposed obliquely at the front side, the left side of the main body 5 is also disposed obliquely, and the main body 5 is provided with a plurality of through grooves 22.

Two reinforcing rib plates 23 corresponding to each other left and right are arranged on the main body part 5 of the first corner brace 1 and the second corner brace 2, a supporting plate 24 is arranged between the two reinforcing rib plates 23, a threaded hole 24a is formed in the supporting plate 24, and the axis of the threaded hole 24a is perpendicular to the main body part 5; an extension supporting part 27 is arranged on the front side of the main body part 5 of the extension corner connector 25, the extension supporting part 27 extends into a space between the two reinforcing rib plates 23 of the second corner connector 2 and is supported on the supporting plate 24, a connecting plate 28 is arranged on the lower side of the main body part 5 of the extension corner connector 25 corresponding to the supporting plate 24, the connecting plate 28 and the supporting plate 24 are parallel to each other and are fixed through a second fastening piece 11a, and the axis of the second fastening piece 11a is perpendicular to the connecting plate 28.

When the first extension connecting assembly is arranged at the group corner of the base upper frame profile 301 and the base right side frame profile 302, as shown in fig. 19 and 20, the base lower frame profile 303 and the base right side frame profile 302 can also be fixed through a first corner connector 1 and an extension corner connector 25, a clamping groove 4 for mounting the first corner connector 1 is formed in the base lower frame profile 303, a clamping groove 4 for mounting the extension corner connector 25 is formed in the base right side frame profile 302, and the extension corner connector 25 and the first corner connector 1 are fixed through a second fastener 11 a.

Extension coupling assembling two sets up and is corresponding extension window 3a right side top group angle or correspond extension window 3a right side below group angle or correspond extension window 3a right side top, below group angle all is provided with extension coupling assembling two, extension coupling assembling two includes first angle sign indicating number 1 and second angle sign indicating number 2, and draw-in groove 4 has all been seted up along length direction on extension upper ledge section bar 3a1, extension lower frame section bar and the extension right side frame section bar 3a2 that correspond, and first angle sign indicating number 1 is installed on the draw-in groove 4 of extension upper ledge section bar 3a1 or extension lower frame section bar, and second angle sign indicating number 2 is installed on the draw-in groove 4 of extension right side frame section bar 3a2, is connected with the extension angle sign indicating number 25 that is used for fixed adjacent extension upper ledge section bar 3a1 or extension lower frame section bar on the second angle sign indicating number 2, corresponds extension angle sign indicating number 25 on adjacent extension upper ledge section bar 3a1 or the extension lower frame section bar and also is provided with. The right upper and lower group corners of the expansion window 3a on the side are provided with a first corner connector 1 and a second corner connector 2.

The utility model has the advantages that: the structure can split a window frame with longer length in the building design into a plurality of unit structures, can realize the arbitrary expansion connection of a plurality of expansion windows 3a on the basic window 3, realize the outward expansion of the extension window frame, expand the area of the window 3a, and adapt to the size of the window hole through the combination of a plurality of expansion windows 3 a; the window frame sectional material is more convenient to produce, process, transport and install, can be used for manufacturing the sectional materials with corresponding specifications in a factory and then is assembled and combined on site, and has strong adaptability and flexible and convenient assembly.

The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.

Claims

1. An extensible unit window comprises a basic window, and is characterized in that a plurality of extensible windows are sequentially connected to the basic window in an arrayed mode, an extensible connecting assembly I is arranged between the basic window and an adjacent extensible window, the extensible connecting assembly I comprises a first corner connector and a second corner connector, the first corner connector is used for fixing a group corner of the basic window, and the second corner connector is connected with an extensible corner connector for installing the extensible windows; and a second expansion connecting component is also arranged between two adjacent expansion windows.

2. The expandable unit window of claim 1, wherein the base window comprises a base sash, and the upper side, the lower side, the left side and the right side of the base sash are respectively provided with a base upper frame profile, a base lower frame profile, a base left side frame profile and a base right side frame profile; the expansion window comprises an expansion window sash, and an expansion upper frame profile, an expansion lower frame profile and an expansion right frame profile are respectively arranged on the upper side, the lower side and the right side of the expansion window sash.

3. The expandable unit window of claim 2, wherein the first expansion joint component is arranged at the upper right group corner of the base window, or at the lower right group corner of the base window, or at the upper and lower right group corners of the base window; the base upper frame profile and the base right side frame profile are perpendicular to each other, the base upper frame profile and the base lower frame profile are parallel, clamping grooves are formed in the base upper frame profile, the base lower frame profile and the base right side frame profile along the length direction, the first corner connectors are installed on the clamping grooves of the base upper frame profile or the base lower frame profile, the second corner connectors are installed on the clamping grooves of the base right side frame profile, extension corner connectors used for fixing the extension upper frame profile or the extension lower frame profile are connected to the second corner connectors, the extension corner connectors are perpendicular to the second corner connectors, clamping grooves are also formed in the extension upper frame profile or the extension lower frame profile corresponding to the extension corner connectors, and grooves are formed in the extension upper frame profile or the extension lower frame profile corresponding to the first corner connectors and the second corner connectors.

4. The expandable unit window of claim 3, wherein the first corner brace, the second corner brace and the expansion corner brace each comprise a main body portion inserted into the corresponding slot, the main body portion has a width corresponding to the slot width of the slot, and the upper inner wall of the slot limits the main body portion in the height direction of the slot; the main body part is provided with an axial limiting part, and the axial limiting part limits the main body part in the length direction of the clamping groove.

5. The expandable unit window of claim 4, wherein the axial limiting portion comprises two limiting blocks respectively disposed at the left and right sides of the main body portion, and the two limiting blocks are both located at the rear side edge above the main body portion; each section bar is parallel to the axis of the corresponding clamping groove, the left side and the right side of the corresponding clamping groove on the section bar are axially provided with clamping groove edges, the two clamping groove edges are provided with insertion grooves, and the two insertion grooves are correspondingly arranged left and right; the section of the clamping groove side is L-shaped, the insertion groove is rectangular, and the width of the insertion groove is matched with the width of the horizontal extension part of the clamping groove side; after the main body part is inserted into the clamping groove, the limiting block is contacted with the limiting inner wall corresponding to the insertion groove; an edge groove is formed in the right side of the main body part, the length of the edge groove is smaller than that of the main body part, an upward-protruding limiting plate is arranged on the edge of the right side of the main body part, the limiting plate is in contact with the side of the right clamping groove, and the left side of the main body part is in contact with the inner wall of the left side of the clamping groove; the front side of the main body part positioned at the rear of the edge groove is provided with a guide inclined plane which is arranged corresponding to the limiting inner wall of the insertion groove corresponding to the clamping groove edge.

6. The expandable unit window of claim 5, wherein the main body parts of the first corner brace and the second corner brace are respectively provided with a first connecting part and a second connecting part, the first connecting part and the second connecting part are both arranged in an inclined manner at an angle of 45 degrees, one side of the first connecting part is provided with a clamping hook and a clamping block, a clamping groove is formed between the clamping hook and the clamping block, the other side of the first connecting part is provided with a pressing block, the bottom of the pressing block is provided with a pressing surface, and the surface of the first connecting part, which is positioned below the pressing block, is provided with a first meshing surface; the connecting part II is provided with a first groove, a chuck is formed on one side of the connecting part II, which is positioned at the first groove, the chuck is inserted into the bayonet groove in a matching way, the inner wall of the first groove is provided with a supporting surface corresponding to the pressing surface, the supporting surface is mutually attached to the pressing surface, the other side of the surface of the connecting part II, which is positioned at the first groove, is provided with a second engaging surface corresponding to the first engaging surface, and the second engaging surface is mutually attached to the first engaging surface; the first connecting part and the second connecting part are both provided with connecting holes and are fixedly connected through a first fastening piece, and the axis of the first fastening piece is obliquely arranged; the bottom of the main body part of the first corner connector and the second corner connector is provided with at least two protruding parts, the protruding parts are in contact with the bottom of the clamping groove of the window frame section bar, the protruding parts positioned on the front side are arranged on the edge of the main body part, the front parts of the protruding parts positioned on the front side are provided with protruding part meshing surfaces inclined at an angle of 45 degrees, and the front parts of the protruding parts positioned on the front side are provided with separating grooves below the protruding part meshing surfaces; the front side of the main body part is obliquely arranged, the left side of the main body part is also obliquely arranged, and the main body part is provided with a plurality of through grooves.

7. The expandable unit window according to any one of claims 4-6, wherein two reinforcing rib plates corresponding to each other left and right are arranged on the main body part of the first corner brace and the second corner brace, a support plate is arranged between the two reinforcing rib plates, a threaded hole is formed in the support plate, and the axis of the threaded hole is perpendicular to the main body part; the extension supporting part is arranged on the front side of the main body part of the extension corner connector, the extension supporting part extends into a position between two reinforcing rib plates of the second corner connector and is supported on the supporting plate, a connecting plate is arranged on the lower side of the main body part of the extension corner connector corresponding to the supporting plate, the connecting plate and the supporting plate are parallel to each other and are fixed through a fastener two phase, and a fastener two axis is vertical to the connecting plate.

8. An expandable unit window according to any of claims 3-6, the second expansion connecting component is arranged at the group angle above the right side of the corresponding expansion window or the group angle below the right side of the corresponding expansion window or the group angles above and below the right side of the corresponding expansion window and is provided with a second expansion connecting component, the second expansion connecting component comprises a first angle code and a second angle code, the corresponding expansion upper frame section bar, the expansion lower frame section bar and the expansion right side frame section bar are all provided with a clamping groove along the length direction, the first corner connector is installed on the clamping groove of the expansion upper frame section bar or the expansion lower frame section bar, the second corner connector is installed on the clamping groove of the expansion right side frame section bar, the second corner connector is connected with the expansion corner connector used for fixing the adjacent expansion upper frame section bar or the expansion lower frame section bar, and the adjacent expansion upper frame section bar or the expansion lower frame section bar is correspondingly provided with a clamping groove.

9. The expandable unit window of claim 8, wherein the upper and lower set of corners on the right side of the side-mounted expandable window are provided with a first corner connector and a second corner connector.