A corner assembly for doors and windows and a door or window

Abstract

The present invention provides a corner assembly for doors and windows and a door and window. The corner assembly for doors and windows includes a vertical insertion part for insertion and cooperation with the vertical frame in the door and window frame, and a horizontal insertion part for insertion and cooperation with the horizontal frame in the door and window frame. The vertical insertion part and the horizontal insertion part are fixed to each other. An installation hole is formed in the vertical insertion part and / or the horizontal insertion part, and a locking member is connected in the installation hole. The locking member is used to abut against the vertical frame and / or the horizontal frame. When the corner assembly for doors and windows involved in this application is installed at the splicing position of the vertical frame and the horizontal frame in the door and window frame, in addition to being inserted and fixed to the vertical frame and the horizontal frame respectively, the corner assembly for doors and windows is also locked and fixed to the vertical frame and / or the horizontal frame through the locking member, thereby increasing the fixed connection strength between the corner assembly for doors and windows and the vertical frame and the horizontal frame, improving the load-bearing capacity of the door and window frame, avoiding cracking of the vertical frame and the horizontal frame at the splicing position of the two, and making the splicing gap between the vertical frame and the horizontal frame meet the requirements.

Description

Technical Field

[0001] The present invention relates to a corner assembly for doors and windows.

[0002] The present invention also relates to a door and window including the above corner assembly for doors and windows. Background Art

[0003] As Figure 1 shown, a door and window mainly includes a door and window frame 10 and glass 20 installed in the door and window frame 10. Among them, the door and window frame 10 mainly includes two vertical frames 11 arranged side by side left and right and extending up and down, and two horizontal frames 12 arranged side by side up and down and extending left and right. The vertical frames 11 and the horizontal frames 12 are all integrally formed profiles, and the vertical frames 11 and the horizontal frames 12 are spliced at a 45-degree angle. As Figure 2 and Figure 3 shown, the vertical frames 11 and the horizontal frames 12 are fixedly connected through corner codes 50 (i.e., fixing members), and both the vertical frames 11 and the horizontal frames 12 are provided with insertion grooves 60 that are inserted and matched with the corner codes 50.

[0004] Furthermore, when the size of the door and window is relatively large, the size of the glass 20 in the door and window is also relatively large, so that the weight of the glass 20 is also relatively large. At this time, as Figures 2 to 4 shown, the door and window frame 10 is also provided with a corner assembly 30 at the splicing position of the vertical frames 11 and the horizontal frames 12, and the corner assembly 30 is an auxiliary fixing member. Currently, as Figures 2 to 4 shown, the corner assembly 30 includes a vertical insertion portion 31 inserted into the vertical frame 11 and a horizontal insertion portion 32 inserted into the horizontal frame 12, and both the vertical insertion portion 31 and the horizontal insertion portion 32 are flat plate structures. By providing the corner assembly 30 at the splicing position of the vertical frames 11 and the horizontal frames 12, the connection strength at the splicing position of the vertical frames 11 and the horizontal frames 12 can be effectively increased, thereby preventing the vertical frames 11 and the horizontal frames 12 from cracking at their splicing position and causing the splicing gap between the vertical frames 11 and the horizontal frames 12 to exceed the standard value, and the standard value is the maximum allowable value of the splicing gap (this maximum value is 0.2 mm). However, the existing doors and windows installed with this corner assembly 30 have the following defects: as the size of the door and window gets larger and larger, the glass 20 becomes heavier and heavier, and the corner assembly 30 and the vertical frame 11, the corner assembly 30 and the horizontal frame 12 are only inserted and matched, and there is also an assembly gap between the corner assembly 30 and the vertical frame 11, the corner assembly 30 and the horizontal frame 12. Based on this, when the door and window frame 10 is under high load, the load-bearing of the corner assembly 30 is unreliable, and there is still a situation where the splicing gap between the vertical frames 11 and the horizontal frames 12 of the door and window frame 10 exceeds the standard value. Summary of the Invention

[0005] In view of the above-mentioned disadvantages of the prior art, the purpose of the present invention is to provide a corner assembly for doors and windows, which can greatly increase the fixed connection strength with the vertical frame and the horizontal frame.

[0006] To achieve the above object, the present application provides a corner assembly for doors and windows, including a vertical insertion part for insertion and cooperation with the vertical frame in the door and window frame, and a horizontal insertion part for insertion and cooperation with the horizontal frame in the door and window frame. The vertical insertion part and the horizontal insertion part are fixed to each other. An installation hole is provided in the vertical insertion part and / or the horizontal insertion part, and a locking member is connected in the installation hole. The locking member is used to abut against the vertical frame and / or the horizontal frame. When the corner assembly for doors and windows of the present application is installed at the splicing position of the vertical frame and the horizontal frame in the door and window frame, in addition to being inserted and fixed to the vertical frame and the horizontal frame respectively, the corner assembly for doors and windows is also locked and fixed to the vertical frame and / or the horizontal frame through the locking member, thereby increasing the fixed connection strength between the corner assembly for doors and windows and the vertical frame and the horizontal frame, improving the load-bearing capacity of the door and window frame, avoiding cracking of the vertical frame and the horizontal frame at the splicing position between the two, and making the splicing gap between the vertical frame and the horizontal frame meet the requirements.

[0007] Further, the locking member is a screw, and the installation hole is a threaded hole threadedly connected to the screw; after the screw is screwed into the threaded hole of the vertical insertion part, it abuts against and tightly locks with the vertical frame, and after the screw is screwed into the threaded hole of the horizontal insertion part, it abuts against and tightly locks with the horizontal frame.

[0008] Preferably, the installation hole is inclined to facilitate the screwing in of the screw.

[0009] Further, a glue cavity is provided on the surface of the corner assembly for doors and windows facing the door and window frame, and a glue injection hole communicating with the glue cavity and penetrating the corner assembly for doors and windows is also provided on the corner assembly for doors and windows; in addition to being fixed by insertion and screws between the corner assembly for doors and windows and the vertical frame and the horizontal frame, adhesive fixation is added to further increase the fixed connection strength between the corner assembly for doors and windows and the vertical frame and the horizontal frame.

[0010] Further, there are two glue injection holes, which are respectively arranged at both ends of the glue cavity along the extending direction of the glue cavity; when injecting glue, the adhesive is injected into the glue cavity through one of the two glue injection holes, and the other glue injection hole is used to discharge the air in the glue cavity, so that the adhesive can fully fill the glue cavity, and it can be observed through the other glue injection hole whether the glue cavity is filled with the adhesive.

[0011] Further, a part of the glue cavity is provided on the surface of the vertical insertion part facing the vertical frame, and the remaining part of the glue cavity is provided on the surface of the horizontal insertion part facing the horizontal frame. Thus, both the vertical insertion part and the vertical frame and the horizontal insertion part and the horizontal frame are fixed by three methods: insertion fit, screw locking, and adhesive bonding, effectively increasing the fixed connection strength between the vertical insertion part and the vertical frame and between the horizontal insertion part and the horizontal frame.

[0012] Further, the installation hole and the glue cavity are not communicated with each other.

[0013] Further, the vertical insertion part includes a vertical main body and vertical insertion bodies arranged at both side edges of the vertical main body along the width direction of the vertical main body. The vertical insertion bodies are used for being inserted into the vertical slots of the vertical frame; the horizontal insertion part includes a horizontal main body and horizontal insertion bodies arranged at both side edges of the horizontal main body along the width direction of the horizontal main body. The horizontal insertion bodies are used for being inserted into the horizontal slots of the horizontal frame.

[0014] Further, the vertical insertion part further includes a first guiding inclined surface arranged at one end of the vertical main body far from the horizontal main body, and a second guiding inclined surface arranged at one end of the vertical insertion body far from the horizontal main body; the horizontal insertion part further includes a third guiding inclined surface arranged at one end of the horizontal main body far from the vertical main body, and a fourth guiding inclined surface arranged at one end of the horizontal insertion body far from the vertical main body. When the vertical insertion part is inserted into the vertical frame, the first guiding inclined surface and the second guiding inclined surface play a role in guiding the insertion, facilitating the insertion of the vertical insertion part into the vertical frame; similarly, when the horizontal insertion part is inserted into the horizontal frame, the third guiding inclined surface and the fourth guiding inclined surface play a role in guiding the insertion, facilitating the insertion of the horizontal insertion part into the horizontal frame.

[0015] Further, the material of the corner connector for doors and windows is metal or plastic; the corner connector for doors and windows is a one-piece component, such as a sheet metal part or an injection molded part, to increase the self-structural strength of the door and window components.

[0016] This application also provides a door and window, including a door and window frame and glass installed on the door and window frame. The door and window frame includes two vertically extending vertical frames and two horizontally extending horizontal frames. The vertical frames and the horizontal frames are spliced together. At the splicing position of the vertical frames and the horizontal frames, a corner connector for doors and windows as described above is also connected. The vertical insertion part is inserted and matched with the vertical frame, the horizontal insertion part is inserted and matched with the horizontal frame, and the locking part abuts against the vertical frame and / or the horizontal frame.

[0017] As described above, the corner connector for doors and windows and the door and window involved in the present invention have the following beneficial effects:

[0018] When the corner connector for doors and windows involved in this application is installed at the splicing position of the vertical frame and the horizontal frame of the door and window frame, in addition to being inserted and fixed to the vertical frame and the horizontal frame respectively, the corner connector for doors and windows is also locked and fixed to the vertical frame and / or the horizontal frame through the locking part, thereby increasing the fixed connection strength between the corner connector for doors and windows and the vertical frame and the horizontal frame, improving the load-bearing capacity of the door and window frame, avoiding cracking at the splicing position of the vertical frame and the horizontal frame, and making the splicing gap between the vertical frame and the horizontal frame meet the requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a door and window in the prior art.

[0020] Figure 2 It is a structural schematic diagram of the door and window frame at the splicing position of the vertical frame and the horizontal frame in the prior art, and this figure is a cross-sectional view.

[0021] Figure 3 Schematic diagram of the connection between the horizontal frame and the corner assembly in the prior art.

[0022] Figure 4 For Figure 3 Schematic diagram of the structure after omitting the corner code.

[0023] Figure 5 Schematic diagram of the connection between the vertical frame, the horizontal frame and the corner assembly for doors and windows involved in the present application.

[0024] Figure 6 Schematic diagram of the connection between the horizontal frame and the corner assembly in the present application.

[0025] Figure 7 For Figure 6 Right view of

[0026] Figure 8 For Figure 7 Enlarged cross-sectional view of part A frame in

[0027] Figure 9 Schematic diagram of the structure of the vertical frame in the present application.

[0028] Figures 10 to 12 Schematic diagram of the structure of the corner assembly for doors and windows in the present application from different perspectives.

[0029] Explanation of component numbers

[0030] 10 Door and window frame

[0031] 11 Vertical frame

[0032] 111 Vertical slot

[0033] 112 Vertical profile arm

[0034] 113 Vertical rib part

[0035] 114 Vertical receiving groove

[0036] 115 Vertical installation groove

[0037] 12 Horizontal frame

[0038] 121 Horizontal slot

[0039] 122 Horizontal profile arm

[0040] 123 Horizontal rib part

[0041] 124 Horizontal receiving groove

[0042] 125 Horizontal installation groove

[0043] 20 Glass

[0044] 30 sets of corner fittings

[0045] 31 vertical insertion parts

[0046] 311 vertical main body

[0047] 312 vertical insertion body

[0048] 313 first guiding inclined plane

[0049] 314 second guiding inclined plane

[0050] 315 first notch

[0051] 32 horizontal insertion parts

[0052] 321 horizontal main body

[0053] 322 horizontal insertion body

[0054] 323 third guiding inclined plane

[0055] 324 fourth guiding inclined plane

[0056] 325 second notch

[0057] 33 mounting holes

[0058] 34 glue cavity

[0059] 341 vertical cavity part

[0060] 342 horizontal cavity part

[0061] 35 glue injection hole

[0062] 40 locking parts

[0063] 50 angle codes

[0064] 60 insertion grooves Specific implementation manners

[0065] The following specific embodiments illustrate the implementation manners of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification.

[0066] It should be noted that the structures, proportions, sizes, etc. depicted in the accompanying drawings of this specification are only used to cooperate with the content disclosed in the specification for those familiar with this technology to understand and read, and are not used to limit the conditions for the implementation of the present invention. Therefore, they do not have any technical substantial significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size, without affecting the effects that the present invention can produce and the purposes that can be achieved, should still fall within the scope covered by the technical content disclosed in the present invention. At the same time, the terms such as "upper", "lower", "left", "right", "middle", and "one" cited in this specification are only for the convenience of clear description and are not used to limit the scope of implementation of the present invention. The change or adjustment of their relative relationships, without substantial change in the technical content, should also be regarded as the scope within which the present invention can be implemented.

[0067] As Figure 5 shown, the present application provides a corner assembly 30 for doors and windows (hereinafter referred to as the corner assembly 30), a door and window frame 10 installed with the corner assembly 30, and a door and window including the door and window frame 10. The corner assembly 30 is used to be installed at the splicing joint of the vertical frame 11 and the horizontal frame 12 in the door and window frame 10 to improve the splicing connection strength between the vertical frame 11 and the horizontal frame 12, and to prevent the vertical frame 11 and the horizontal frame 12 from cracking at their splicing joint, or rather, to prevent the splicing gap between the vertical frame 11 and the horizontal frame 12 from exceeding the allowable maximum value.

[0068] Furthermore, in the following embodiments, the definitions of each direction are as follows: As Figure 1 shown, the length direction of the vertical frame 11 in the door and window frame 10 is defined as the up-down direction, the length direction of the horizontal frame 12 in the door and window frame 10 is defined as the left-right direction, and the direction orthogonal to both the up-down direction and the left-right direction is defined as the front-back direction; Therefore, Figure 1 in the view shown, the left side and the right side of the paper surface are the left direction and the right direction respectively, the upper side and the lower side of the paper surface are the up direction and the down direction respectively, and the front side and the back side of the paper surface are the back direction and the front direction respectively. At the same time, the up-down direction is also the vertical direction, and the left-right direction is also the horizontal direction.

[0069] As Figure 1 and Figure 3As shown, the door and window includes a door and window frame 10 and glass 20 installed in the door and window frame 10. The door and window frame 10 includes two vertical frames 11 arranged side by side left and right and extending vertically up and down, and two horizontal frames 12 arranged side by side up and down and extending horizontally left and right. The vertical frames 11 and the horizontal frames 12 are both profiles. The vertical frames 11 and the horizontal frames 12 are spliced at a 45-degree angle and are fixedly connected to each other through corner codes 50. Preferably, a corner assembly 30 is connected at the splicing position of the vertical frame 11 and the horizontal frame 12. In the door and window, the corner code 50 is the main fixing part, and the corner assembly 30 is the auxiliary fixing part. Based on this, in large door and windows, after the vertical frame 11 and the horizontal frame 12 are fixedly connected through the corner code 50, a corner assembly 30 is also connected at their splicing position. The corner assembly 30 is located outside the corner code 50, that is, the corner assembly 30 is farther from the center of the door and window than the corner code 50, playing a better auxiliary connection effect. In small door and windows, the vertical frame 11 and the horizontal frame 12 can be fixedly connected only through the corner code 50, or of course, they can also be fixedly connected only through the corner assembly 30. Figure 5 The figure shows a connection schematic diagram of the lower vertical frame 11 in the door and window frame 10, the right horizontal frame 12 in the door and window frame 10, and the corner code 50 and the corner assembly 30 connected there. Taking this view angle as an example, the preferred embodiments of the corner assembly 30, the vertical frame 11, and the horizontal frame 12 are described.

[0070] Such as Figure 5 And Figure 9As shown, the vertical frame 11 has two vertically extending vertical profile arm portions 112 that are arranged opposite to each other in the front and rear directions. The vertical profile arm portions 112 also serve as the surface side arm portions of the vertical frame 11. Each vertical profile arm portion 112 has an inner surface pointing towards the central plane of the vertical frame 11 in the front and rear directions and an outer surface facing away from the central plane of the vertical frame 11 in the front and rear directions. That is, the front surface of the front vertical profile arm portion 112 is the outer surface of this vertical profile arm portion 112, and the rear surface is the inner surface of this vertical profile arm portion 112. The front surface of the rear vertical profile arm portion 112 is the inner surface of this vertical profile arm portion 112, and the rear surface is the outer surface of this vertical profile arm portion 112. On the inner surface of each vertical profile arm portion 112, there are vertically protruding rib portions 113 extending inwards towards the central plane of the vertical frame 11 in the front and rear directions. There are two vertically protruding rib portions 113 arranged left and right, and the extending directions of the two vertically protruding rib portions 113 are the same as the extending direction of the vertical frame 11 and both extend vertically. The vertically protruding rib portion 113 has a bent portion and forms a vertically extending slot 111 in the front and rear directions between it and the inner surface of the vertical profile arm portion 112. Based on this, the cross-sectional shape of the vertically protruding rib portion 113 can be L-shaped or T-shaped. Further, a vertically receiving groove 114 is formed between the two vertically protruding rib portions 113 on the inner surface of each vertical profile arm portion 112. The left and right sides of the vertically receiving groove 114 are respectively the above-mentioned vertically extending slots 111. Or rather, a vertically mounting groove 115 is formed among each vertical profile arm portion 112 and the two vertically protruding rib portions 113 integrally extending inwards from the inner surface of this vertical profile arm portion 112. The vertically mounting groove 115 includes the vertically receiving groove 114 formed between the two vertically protruding rib portions 113 and the vertically extending slot 111 formed between the vertically protruding rib portion 113 and the inner surface of the vertical profile arm portion 112.

[0071] As Figures 5 to 8As shown in the figure, the horizontal frame 12 has two horizontally extending cross-profile arm parts 122 that are arranged opposite to each other in the front and rear directions. The cross-profile arm parts 122 also serve as the surface side arm parts of the horizontal frame 12. Each cross-profile arm part 122 has an inner surface pointing towards the central plane of the horizontal frame 12 in the front and rear directions and an outer surface facing away from the central plane of the horizontal frame 12 in the front and rear directions. That is, the front surface of the front cross-profile arm part 122 is the outer surface of this cross-profile arm part 122, and the rear surface is the inner surface of this cross-profile arm part 122. The front surface of the rear cross-profile arm part 122 is the inner surface of this cross-profile arm part 122, and the rear surface is the outer surface of this cross-profile arm part 122. On the inner surface of each cross-profile arm part 122, there are horizontally extending rib parts 123 that extend inwards towards the central plane of the horizontal frame 12 in the front and rear directions. There are two horizontally extending rib parts 123 arranged one above the other, and the extending directions of the two horizontally extending rib parts 123 are the same as the extending direction of the horizontal frame 12, both extending horizontally. The horizontally extending rib part 123 has a bent part, and a horizontally extending slot 121 is formed between the horizontally extending rib part 123 and the inner surface of the cross-profile arm part 122. Based on this, the cross-sectional shape of the horizontally extending rib part 123 can be L-shaped or T-shaped. Further, a horizontally receiving groove 124 is formed between the two horizontally extending rib parts 123 on the inner surface of each cross-profile arm part 122. The upper and lower sides of the horizontally receiving groove 124 are respectively the above-mentioned horizontally extending slots 121. Or rather, a horizontally mounting groove 125 is formed among each cross-profile arm part 122 and the two horizontally extending rib parts 123 that integrally extend inwards from the inner surface of this cross-profile arm part 122. The horizontally mounting groove 125 includes the horizontally receiving groove 124 formed between the two horizontally extending rib parts 123 and the horizontally extending slot 121 formed between the horizontally extending rib part 123 and the inner surface of the cross-profile arm part 122.

[0072] Further, as Figure 6 shown, two corner connectors 30 are connected at the splicing position of the vertical frame 11 and the horizontal frame 12. The two corner connectors 30 are arranged mirror-symmetrically in the front and rear directions. The front corner connector 30 is connected between the front vertical-profile arm part 112 of the vertical frame 11 and the front cross-profile arm part 122 of the horizontal frame 12, and the rear corner connector 30 is connected between the rear vertical-profile arm part 112 of the vertical frame 11 and the rear cross-profile arm part 122 of the horizontal frame 12. As Figure 6 and Figures 10 to 12 shown, the corner connector 30 has a vertical insertion part 31 that is inserted and fitted with the vertical frame 11 and a horizontal insertion part 32 that is inserted and fitted with the horizontal frame 12. Therefore, the vertical insertion part 31 extends vertically, and the horizontal insertion part 32 extends horizontally. The lower end of the vertical insertion part 31 is fixed to the right end of the horizontal insertion part 32. In particular, as Figures 6 to 8As shown, mounting holes 33 are provided in the vertical insertion part 31 and / or the horizontal insertion part 32. A locking member 40 is connected in the mounting hole 33, and the end of the locking member 40 is used to abut against the vertical frame 11 and / or the horizontal frame 12. Therefore, the mounting hole 33 can be provided only on the vertical insertion part 31, and the locking member 40 connected in the mounting hole 33 can abut against the vertical frame 11 or the horizontal frame 12. Or, the mounting hole 33 can be provided only on the horizontal insertion part 32, and the locking member 40 connected in the mounting hole 33 can abut against the vertical frame 11 or the horizontal frame 12. Or, Figure 6 and Figure 10 In the embodiment of the corner connector 30 shown, mounting holes 33 are provided in both the vertical insertion part 31 and the horizontal insertion part 32. The locking member 40 connected in the mounting hole 33 of the vertical insertion part 31 abuts against the vertical frame 11, and the locking member 40 connected in the mounting hole 33 of the horizontal insertion part 32 abuts against the horizontal frame 12. Based on this, during installation, after the vertical insertion part 31 and the horizontal insertion part 32 of the corner connector 30 are respectively inserted and fixed to the vertical frame 11 and the horizontal frame 12, the locking member 40 is inserted into the mounting hole 33 of the vertical insertion part 31 of the corner connector 30 and the locking member 40 abuts against the vertical frame 11, and the locking member 40 is inserted into the mounting hole 33 of the horizontal insertion part 32 of the corner connector 30 and the locking member 40 abuts against the horizontal frame 12. Therefore, when the corner connector 30 of the present application is inserted into the splicing part of the vertical frame 11 and the horizontal frame 12 of the door and window frame 10, in addition to being respectively inserted and fixed to the vertical frame 11 and the horizontal frame 12, the corner connector 30 is also locked and fixed to the vertical frame 11 and / or the horizontal frame 12 through the locking member 40, thereby increasing the fixed connection strength between the corner connector 30 and the vertical frame 11 and the horizontal frame 12, improving the load capacity of the door and window frame 10, avoiding cracking of the vertical frame 11 and the horizontal frame 12 at the splicing part therebetween, and making the splicing gap between the vertical frame 11 and the horizontal frame 12 meet the requirements.

[0073] Further, taking the front corner connector 30 as an example, the preferred structure of the insertion and fixation between the vertical insertion part 31 of the corner connector 30 and the vertical frame 11, the preferred structure of the insertion and fixation between the horizontal insertion part 32 of the corner connector 30 and the horizontal frame 12, and the preferred structure of the corner connector 30 itself are described.

[0074] The insertion and fixation structure between the vertical insertion part 31 of the corner connector 30 and the vertical frame 11 is: as Figure 5 、 Figure 9 and Figure 10As shown, the vertical insertion portion 31 of the corner assembly 30 includes a vertical main body 311 extending up and down, and a vertical insertion body 312 arranged at the left and right edges of the vertical main body 311 along the width direction of the vertical main body 311. The front side surface of the vertical insertion body 312 is flush with the front side surface of the vertical main body 311, but the rear side surface of the vertical insertion body 312 is located in front of the rear side surface of the vertical main body 311, that is, in the front and rear directions, the thickness of the vertical insertion body 312 is less than the thickness of the vertical main body 311, thereby forming a vertical step surface between the vertical insertion body 312 and the vertical main body 311. When the vertical insertion portion 31 is inserted into the vertical frame 11, the vertical insertion bodies 312 on the left and right sides of the vertical main body 311 are respectively inserted into the two vertical slots 111 on the front inner surface of the vertical frame 11, and the vertical main body 311 is located in the vertical receiving groove 114 on the front inner surface of the vertical frame 11, thereby realizing the insertion and fixation between the vertical insertion portion 31 and the vertical frame 11, and limiting the position through the cooperation between the vertical convex rib portion 113 and the vertical insertion body 312. The left and right sides of the vertical main body 311 may or may not abut against the vertical convex rib portion 113. Preferably, after the vertical insertion portion 31 is inserted into the vertical frame 11, the left and right sides of the vertical main body 311 are respectively abutted against the vertical convex rib portion 113, which can further prevent the vertical insertion portion 31 from shaking left and right, and at the same time increase the insertion connection strength between the vertical insertion portion 31 and the vertical frame 11. In addition, if Figure 12 As shown, the vertical insertion part 31 also includes a first guiding bevel 313 provided at the upper end of the vertical main body 311, and a second guiding bevel 314 provided at the upper end of the vertical insertion body 312, the first guiding bevel 313 extending in an inclined manner upward and to the left; the second guiding bevel 314 is provided on the rear surface of the vertical insertion body 312 facing away from the inner surface of the vertical profile arm 112, and on the side surface of the vertical insertion body 312 away from the vertical main body 311, the second guiding bevel 314 on the rear surface of the vertical insertion body 312 extending in an inclined manner upward and forward, and the second guiding bevel 314 on the side surface of the vertical insertion body 312 extending in an inclined manner upward and closer to the vertical main body 311. Preferably, the rear surface and the side surface at the upper end of the vertical insertion body 312 can be chamfered to obtain the second guiding bevel 314. When the vertical insertion portion 31 is inserted into the vertical frame 11, the first guiding inclined surface 313 enables the vertical main body 311 to be conveniently inserted into the vertical receiving groove 114 of the vertical frame 11, and the second guiding inclined surface 314 enables the vertical insertion body 312 to be conveniently inserted into the vertical slot 111 of the vertical frame 11. Therefore, the first guiding inclined surface 313 and the second guiding inclined surface 314 play the role of insertion guide, which facilitates the vertical insertion portion 31 to be inserted into the vertical frame 11.

[0075] The insertion and fixing structure between the transverse insertion portion 32 of the corner assembly 30 and the transverse frame 12 is as follows: Figure 5 and Figure 6 ,as well as Figure 10As shown, the horizontal insertion part 32 of the corner assembly 30 includes a horizontally extending transverse main body 321 that extends left and right, and transverse insertion bodies 322 provided at the upper and lower edges of the transverse main body 321 in the width direction of the transverse main body 321. The front surface of the transverse insertion body 322 is flush with the front surface of the transverse main body 321, but the rear surface of the transverse insertion body 322 is located in front of the rear surface of the transverse main body 321, that is, in the front-rear direction, the thickness of the transverse insertion body 322 is less than the thickness of the transverse main body 321, thereby forming a horizontal step surface between the transverse insertion body 322 and the transverse main body 321. When the horizontal insertion part 32 is inserted into the horizontal frame 12, the transverse insertion bodies 322 on the upper and lower sides of the transverse main body 321 are respectively inserted into two horizontal slots 121 on the inner surface of the front side of the horizontal frame 12, and the transverse main body 321 is located in the horizontal receiving groove 124 on the inner surface of the front side of the horizontal frame 12, thereby realizing the insertion and fixation between the horizontal insertion part 32 and the horizontal frame 12, and performing limit through the cooperation between the horizontal rib part 123 and the transverse insertion body 322. The upper and lower sides of the transverse main body 321 may or may not be in contact with the horizontal rib part 123. Preferably, after the horizontal insertion part 32 is inserted into the horizontal frame 12, the upper and lower sides of the transverse main body 321 are respectively in contact with the horizontal rib part 123, which can further prevent the horizontal insertion part 32 from shaking up and down, and at the same time can also increase the insertion connection strength between the horizontal insertion part 32 and the horizontal frame 12. In addition, as Figure 12 shown, the horizontal insertion part 32 further includes a third guiding inclined surface 323 provided at the left end of the transverse main body 321, and a fourth guiding inclined surface 324 provided at the left end of the transverse insertion body 322. The third guiding inclined surface 323 extends obliquely in a manner that is higher as it goes to the left; the fourth guiding inclined surface 324 is provided on the rear surface of the transverse insertion body 322 facing away from the inner surface of the transverse profile arm part 122 and on the side surface of the transverse insertion body 322 away from the transverse main body 321. The fourth guiding inclined surface 324 on the rear surface of the transverse insertion body 322 extends obliquely in a manner that is more forward as it goes to the left, and the fourth guiding inclined surface 324 on the side surface of the transverse insertion body 322 extends obliquely in a manner that is closer to the transverse main body 321 as it goes to the left. Preferably, the rear surface and the side surface at the left end of the transverse insertion body 322 can be chamfered to obtain the fourth guiding inclined surface 324. When the horizontal insertion part 32 is inserted into the horizontal frame 12, the third guiding inclined surface 323 can make the transverse main body 321 conveniently inserted into the horizontal receiving groove 124 of the horizontal frame 12, and the fourth guiding inclined surface 324 can make the transverse insertion body 322 conveniently inserted into the horizontal slot 121 of the horizontal frame 12. Therefore, the third guiding inclined surface 323 and the fourth guiding inclined surface 324 play a role of insertion guiding, facilitating the insertion of the horizontal insertion part 32 into the horizontal frame 12.

[0076] The preferred structure of the corner assembly 30 itself is: as Figures 10 to 12As shown, the locking member 40 is a screw, and the mounting hole 33 is a threaded hole for threaded connection with the screw. The threaded hole on the vertical insertion portion 31 is formed on the vertical main body 311 and extends in the left-right direction. The threaded hole on the horizontal insertion portion 32 is formed on the horizontal main body 321 and extends in the up-down direction. After the screw is screwed into the threaded hole of the vertical main body 311, it abuts against the inner surface of the vertical profile arm portion 112 in the vertical frame 11, and preferably abuts against the vertical rib portion 113 on the inner surface of the vertical profile arm portion 112, so that the vertical insertion portion 31 is tightly locked with the vertical profile arm portion 112. After the screw is screwed into the threaded hole of the horizontal main body 321, it abuts against the inner surface of the horizontal profile arm portion 122 in the horizontal frame 12, and preferably abuts against the horizontal rib portion 123 on the inner surface of the horizontal profile arm portion 122, so that the horizontal insertion portion 32 is tightly locked with the horizontal profile arm portion 122. Preferably, the mounting hole 33 is inclined to facilitate the screwing of the screw. In this embodiment, the threaded hole in the vertical main body 311 is inclined in such a way that it is closer to the inner surface of the vertical profile arm portion 112 as it goes further left, and the left end of the threaded hole extends leftward to the left side surface of the vertical main body 311. The left vertical insertion body 312 in the vertical insertion portion 31 is provided with a first notch 315 communicating with the threaded hole at the left end of the threaded hole. The end of the screw threadedly connected to the threaded hole of the vertical main body 311 passes through the first notch 315 and then inserts into the left vertical slot 111 and abuts against the left vertical rib portion 113 on the inner surface of the vertical profile arm portion 112. The threaded hole in the horizontal main body 321 is inclined in such a way that it is closer to the inner surface of the horizontal profile arm portion 122 as it goes further up, and the upper end of the threaded hole extends upward to the upper side surface of the horizontal main body 321. The upper horizontal insertion body 322 in the horizontal insertion portion 32 is provided with a second notch 325 communicating with the threaded hole at the upper end of the threaded hole. The end of the screw threadedly connected to the threaded hole of the horizontal main body 321 passes through the second notch 325 and then inserts into the upper horizontal slot 121 and abuts against the upper horizontal rib portion 123 on the inner surface of the horizontal profile arm portion 122, as Figure 7 shown. Therefore, when screwing the locking member 40 into the threaded hole of the vertical main body 311, a rightward acting force is applied to the left vertical rib portion 113 through the abutting cooperation between the locking member 40 and the left vertical rib portion 113, and then the vertical frame 11 is pulled outward in the horizontal direction (i.e., to the right away from the glass). When screwing the locking member 40 into the threaded hole of the horizontal main body 321, a downward acting force is applied to the upper horizontal rib portion 123 through the abutting cooperation between the locking member 40 and the upper horizontal rib portion 123, and then the horizontal frame 12 is pulled outward in the vertical direction (i.e., downward away from the glass). Therefore, the vertical frame 11 and the horizontal frame 12 are simultaneously pulled outward away from the glass, and thus the vertical frame 11 and the horizontal frame 12 can be pulled together to prevent the vertical frame 11 and the horizontal frame 12 from cracking at their splicing joints.

[0077] Furthermore, Figure 10Front view (i.e., rear view) of the corner assembly 30 facing away from the inner surfaces of the vertical profile arm 112 and the horizontal profile arm 122 Figure 11 Rear view (i.e., front view) of the corner assembly 30 facing the inner surfaces of the vertical profile arm 112 and the horizontal profile arm 122. As Figures 10 to 12 shown, a glue cavity 34 is formed on the rear surface (i.e., the front surface) of the corner assembly 30 facing the horizontal frame 12 and the vertical frame 11. A glue injection hole 35 is also formed on the corner assembly 30, which is connected to the glue cavity 34 and penetrates through the corner assembly 30 in the thickness direction of the corner assembly 30. By injecting an adhesive into the glue cavity 34 through the glue injection hole 35, in addition to the corner assembly 30 being fixed to the vertical frame 11 and the horizontal frame 12 by insertion and screws, the adhesive fixation is added, further increasing the fixing connection strength between the corner assembly 30 and the vertical frame 11 and the horizontal frame 12. Preferably, there are two glue injection holes 35, which are respectively arranged at both ends of the glue cavity 34 along the extension direction of the glue cavity 34; only one of the two glue injection holes 35 is used for injecting glue, that is: when injecting glue, the adhesive is injected into the glue cavity 34 through one of the two glue injection holes 35, and the other glue injection hole 35 is used to discharge the air in the glue cavity 34, so that the adhesive can fully fill the glue cavity 34, and it can be visually observed through the other glue injection hole 35 whether the glue cavity 34 is filled with the adhesive.

[0078] In addition, as Figure 10 and Figure 11 shown, a part of the glue cavity 34 is formed on the rear surface of the vertical insertion part 31 facing the vertical frame 11, and the remaining part of the glue cavity 34 is formed on the rear surface of the horizontal insertion part 32 facing the horizontal frame 12. Thus, both the vertical insertion part 31 and the vertical frame 11 and the horizontal insertion part 32 and the horizontal frame 12 are fixed by three methods: insertion fit, screw locking, and adhesive bonding, effectively increasing the fixing connection strength between the vertical insertion part 31 and the vertical frame 11 and between the horizontal insertion part 32 and the horizontal frame 12. Based on this, the glue cavity 34 has a vertical cavity part 341 formed on the front surface of the vertical insertion part 31 and a horizontal cavity part 342 formed on the front surface of the horizontal insertion part 32. The lower end of the vertical cavity part 341 is connected to the right end of the horizontal cavity part 342, and the glue cavity 34 is L-shaped; a glue injection hole 35 is provided at the upper end of the vertical cavity part 341 and the left end of the horizontal cavity part 342, so the two glue injection holes 35 are respectively formed on the vertical main body 311 and the horizontal main body 321. In addition, the mounting hole 33 formed on the vertical main body 311 is not connected to the vertical cavity part 341, and the mounting hole 33 on the vertical main body 311 is located above the vertical cavity part 341; similarly, the mounting hole 33 formed on the horizontal main body 321 is not connected to the horizontal cavity part 342, and the mounting hole 33 on the horizontal main body 321 is located to the left of the horizontal cavity part 342. Therefore, the mounting hole 33 on the corner assembly 30 of the present application is not connected to the glue cavity 34.

[0079] Furthermore, the corner assembly 30 is a single-piece component, which increases the structural strength of the door and window components. Based on the single-piece structure of the corner assembly 30, as Figure 10 and Figure 11 shown, the lower end of the vertical main body 311 in the vertical insertion part 31 is integrally connected to the right end of the horizontal main body 321 in the horizontal insertion part 32, and the lower end of the vertical insertion body 312 in the vertical insertion part 31 is integrally connected to the right end of the horizontal insertion body 322 in the horizontal insertion part 32. Preferably, the material of the corner assembly 30 can be selected from metal or plastic. When the corner assembly 30 is made of metal, the corner assembly 30 can be a sheet metal part; when the corner assembly 30 is made of plastic, the corner assembly 30 can be an injection molded part. The corner assembly 30 is preferably made of plastic to reduce the cost of the corner assembly 30.

[0080] In summary, the present invention effectively overcomes various shortcomings in the prior art and has high industrial utilization value.

[0081] The above embodiments are only illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Any person familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. A door and window, comprising a door and window frame (10) and glass (20) installed on the door and window frame (10). The door and window frame (10) includes two vertically extending vertical frames (11) and two horizontally extending horizontal frames (12). The vertical frames (11) and the horizontal frames (12) are spliced together, and a corner assembly for doors and windows (30) is connected at the splicing position therebetween. The corner assembly for doors and windows (30) includes a vertical insertion part (31) inserted and matched with the vertical frame (11) and a horizontal insertion part (32) inserted and matched with the horizontal frame (12). The vertical insertion part (31) and the horizontal insertion part (32) are fixed to each other, and it is characterized in that: Mounting holes (33) are formed in the vertical insertion part (31) and the horizontal insertion part (32). A locking member (40) in the form of a screw is connected in the mounting holes (33), and the locking member (40) abuts against the vertical frame (11) and the horizontal frame (12). The vertical insertion part (31) includes a vertical main body (311) and vertical insertion bodies (312) arranged at both side edges of the vertical main body (311) along the width direction of the vertical main body (311). The vertical frame (11) includes a vertical profile arm part (112), two vertical rib parts (113) extending inwards from the inner surface of the vertical profile arm part (112), and a vertical slot (111) formed between the vertical rib parts (113) and the inner surface of the vertical profile arm part (112). The vertical insertion bodies (312) are inserted into the vertical slots (111) of the vertical frame (11). The horizontal insertion part (32) includes a horizontal main body (321) and horizontal insertion bodies (322) arranged at both side edges of the horizontal main body (321) along the width direction of the horizontal main body (321). The horizontal frame (12) includes a horizontal profile arm part (122), two horizontal rib parts (123) extending inwards from the inner surface of the horizontal profile arm part (122), and a horizontal slot (121) formed between the horizontal rib parts (123) and the inner surface of the horizontal profile arm part (122). The horizontal insertion bodies (322) are inserted into the horizontal slots (121) of the horizontal frame (12). The mounting hole (33) on the vertical insertion part (31) is a threaded hole opened on the vertical main body (311). The threaded hole on the vertical main body (311) is inclined in such a way that it is closer to the inner surface of the vertical profile arm part (112) as it gets closer to the center of the door or window, and one end of the threaded hole facing the center of the door or window extends to the surface of the vertical main body (311) facing the center of the door or window. A first notch (315) communicating with the threaded hole is opened on the vertical insertion body (312) closer to the center of the door or window in the vertical insertion part (31). The first notch (315) is located at the end of the threaded hole. The end of the locking member (40) threadedly connected to the threaded hole of the vertical main body (311) passes through the first notch (315) and then inserts into the vertical slot (111) closer to the center of the door or window and abuts against the vertical rib part (113) on the inner surface of the vertical profile arm part (112) closer to the center of the door or window. The mounting hole (33) on the horizontal insertion part (32) is a threaded hole opened on the horizontal main body (321). The threaded hole on the horizontal main body (321) is inclined in such a way that it is closer to the inner surface of the horizontal profile arm part (122) as it gets closer to the center of the door or window, and one end of the threaded hole facing the center of the door or window extends to the surface of the horizontal main body (321) facing the center of the door or window. A second notch (325) communicating with the threaded hole is opened on the horizontal insertion body (322) closer to the center of the door or window in the horizontal insertion part (32). The second notch (325) is located at the end of the threaded hole. The end of the locking member (40) threadedly connected to the threaded hole of the horizontal main body (321) passes through the second notch (325) and then inserts into the horizontal slot (121) closer to the center of the door or window and abuts against the horizontal rib part (123) on the inner surface of the horizontal profile arm part (122) closer to the center of the door or window. The vertical insertion part (31) and the vertical frame (11), as well as the horizontal insertion part (32) and the horizontal frame (12), are fixed by both insertion fitting and locking with the locking member (40).

2. The one for doors and windows according to claim 1, characterized in that: A glue cavity (34) is opened on the surface of the corner assembly for doors and windows (30) facing the door or window frame (10). A glue injection hole (35) that communicates with the glue cavity (34) and penetrates through the corner assembly for doors and windows (30) is also opened on the corner assembly for doors and windows (30).

3. The door and window according to claim 2, characterized in that: There are two glue injection holes (35), which are respectively arranged at both ends of the glue cavity (34) along the extending direction of the glue cavity (34).

4. The door and window according to claim 2, characterized in that: A part of the glue cavity (34) is opened on the surface of the vertical insertion part (31) facing the vertical frame (11), and the remaining part of the glue cavity (34) is opened on the surface of the horizontal insertion part (32) facing the horizontal frame (12).

5. The door and window according to claim 2, characterized in that: The mounting hole (33) and the glue cavity (34) do not communicate with each other.

6. The door and window according to claim 1, characterized in that: The vertical insertion part (31) further includes a first guiding inclined surface (313) provided at one end of the vertical main body (311) away from the horizontal main body (321), and a second guiding inclined surface (314) provided at one end of the vertical insertion body (312) away from the horizontal main body (321); the horizontal insertion part (32) further includes a third guiding inclined surface (323) provided at one end of the horizontal main body (321) away from the vertical main body (311), and a fourth guiding inclined surface (324) provided at one end of the horizontal insertion body (322) away from the vertical main body (311).

7. The door and window according to claim 1, characterized in that: The material of the corner connector (30) for doors and windows is metal or plastic.

8. The door and window according to any one of claims 1-7, characterized in that: The corner connector (30) for doors and windows is an integral part.

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