CN219138863U

CN219138863U - Frame connection structure of door leaf

Info

Publication number: CN219138863U
Application number: CN202223034562.7U
Authority: CN
Inventors: 刘阳; 张华礼; 刘聪; 李肖开; 李阳; 李莹莹; 马琳琳
Original assignee: Luohe Jiangshan Tianan Construction Materials Co ltd
Current assignee: Luohe Jiangshan Tianan Construction Materials Co ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-06-06
Anticipated expiration: 2032-11-14

Abstract

The utility model provides a frame connecting structure of a door leaf, which relates to the technical field of building doors and windows and aims to solve the problems that in the prior art, the frame bearing capacity of the door leaf is poor and the door leaf is easy to deform. The frame connecting structure of the door leaf has the advantages that the four corner structures of the frame are firm and stable, the compression resistance is improved, the stress intensity is high, the wind resistance of the door leaf is stronger, and the service life of the door leaf is prolonged.

Description

Frame connection structure of door leaf

Technical Field

The utility model relates to the technical field of building doors and windows, in particular to a frame connecting structure of a door leaf.

Background

Currently, door leaf structures on the market have various profiles, generally including aluminum alloy materials and wooden structures. The aluminum alloy door leaf has been widely used because of its advantages such as light material, convenient installation, beautiful appearance, low price, etc. The aluminum alloy door leaf is generally composed of a frame and a door plate embedded in the frame. The mode of the butt joint of the transverse section bar and the vertical section bar of the frame generally has two kinds, namely 90-degree seam and oblique angle seam, the top of the 90-degree seam, namely a vertical frame, is connected with the side at the top end of the transverse frame, or the top end of the transverse frame is connected with the side at the top end of the vertical frame, the transverse section bar and the vertical section bar are generally fixed through bolt connection, and the connection firmness is poor.

The oblique angle joints, namely the vertical frame and the transverse frame are spliced at an oblique angle of 45 degrees and are mutually connected by a joint structure of connecting lines between the inner angles and the outer angles of the frames. The bevel joints are usually connected in a welding mode, the flatness and smoothness of the surface of a product are guaranteed through polishing, the working procedure is complex, time and labor are wasted, and the production efficiency is low. In the use process of the window sash, the aluminum alloy material is light and has relatively weak rigidity, and the deformation and the falling caused by the dead weight problem of the door plate are added, so that the wind pressure resistance of the aluminum alloy door is relatively poor.

Disclosure of Invention

The utility model aims to provide a frame connecting structure of a door leaf, which solves the problems of poor bearing capacity and easy deformation of the frame of the door leaf in the prior art.

The utility model provides a frame connecting structure of a door leaf, which comprises a transverse frame, a vertical frame and a right-angle connecting piece, wherein the connecting edge of the transverse frame is spliced with the connecting edge of the vertical frame to form a right angle, cavities are formed in the transverse frame and the vertical frame, the right-angle connecting piece comprises a first connecting part and a second connecting part, the first connecting part and the second connecting part are arranged vertically, and the first connecting part and the second connecting part are respectively inserted into the cavities of the transverse frame and the vertical frame and are connected with the transverse frame and the vertical frame.

As a preferred aspect of the present utility model, the first connection portion and the second connection portion are connected by a connection plate and are symmetrically disposed about the connection plate, and the first connection portion and the second connection portion each include an outer plate, an inner plate, and a side plate, and the inner plate is disposed in parallel on an inner side of the outer plate, and the side plate is vertically connected to one side of the outer plate and the inner plate away from the connection plate.

As a preferable scheme of the utility model, connecting holes are formed in one sides, close to the side plates, of the outer side plates of the first connecting part and the second connecting part, and the fixing piece penetrates through the transverse frame or the vertical frame to be connected to the connecting holes.

As a preferable mode of the present utility model, a connecting groove is provided at the connecting hole on the outer panel, and the connecting groove is provided concavely with respect to the outer panel.

As a preferable mode of the present utility model, an outer chamfer is provided at a junction between the outer side plate of the first connecting portion and the outer side plate of the second connecting portion, an inner clamping groove is provided at a junction between the inner side plate of the first connecting portion and the inner side plate of the second connecting portion, and the inner clamping groove is recessed toward one side of the outer chamfer with respect to the inner side plate.

As a preferable scheme of the utility model, the transverse frame and the vertical frame comprise an inner side plate, an outer side plate, a front side plate and a rear side plate, the outer side plate, the front side plate, the inner side plate and the rear side plate are sequentially connected to form a frame-shaped structure with a cavity inside, an inner baffle plate parallel to the outer side plate is arranged in the cavity, the first connecting part and the second connecting part are respectively inserted between the inner baffle plate and the outer side plate, the inner baffle plate is arranged on the inner side of the inner side plate of the right-angle connecting piece in a leaning manner, and the outer side plate of the right-angle connecting piece is propped against the outer side plate.

As a preferable scheme of the utility model, the connecting edges of the transverse frames and the connecting edges of the vertical frames are spliced at an oblique angle of 45 degrees, and the inner baffle plates of the transverse frames and the inner baffle plates of the vertical frames extend into the inner clamping grooves of the right-angle connecting pieces.

As a preferable scheme of the utility model, two limiting plates parallel to the outer edge plate are arranged in the cavity, the two limiting plates are respectively connected to the front edge plate and the rear edge plate, and the two limiting plates respectively lean against two sides of the right-angle connecting piece.

As a preferable scheme of the utility model, two inner baffles are arranged, the two inner baffles are respectively connected to the front side plate and the rear side plate, and the distance between the two limiting plates is larger than the distance between the two inner baffles.

As a preferable scheme of the utility model, the inner side plates of the transverse frame and the vertical frame are provided with positioning strips which are arranged in a protruding way; the inner cavities of the transverse frames and the vertical frames are provided with supporting plates, and the supporting plates are arranged in parallel with the inner baffle plates.

Compared with the prior art, the utility model has the following positive effects:

the utility model provides a frame connecting structure of a door leaf, which comprises a transverse frame, a vertical frame and a right-angle connecting piece, wherein the connecting edge of the transverse frame is spliced to the connecting edge of the vertical frame to form a right angle, cavities are formed in the transverse frame and the vertical frame, the right-angle connecting piece comprises a first connecting part and a second connecting part, the first connecting part is perpendicular to the second connecting part, and the first connecting part and the second connecting part are respectively inserted into the cavities of the transverse frame and the vertical frame and are connected with the transverse frame and the vertical frame. According to the frame connecting structure of the door leaf, the right-angle connecting piece is arranged at the right angle of the frame of the door leaf, so that the transverse frame and the vertical frame are connected only through the right-angle connecting piece, the connecting structure is compact, the operation is simple, welding spots for connecting the transverse frame and the vertical frame are reduced, and the appearance is attractive. And the first connecting part and the second connecting part of the right-angle connecting piece are respectively connected in the transverse frame and the vertical frame, so that the right-angle connecting piece has the function of supporting and connecting the transverse frame and the vertical frame, the connecting strength of the transverse frame and the vertical frame is higher, dislocation and deformation are not easy to occur between the transverse frame and the vertical frame, the four corners of the frame are firm and stable in structure, the compression resistance is improved, the stress intensity is high, the wind resistance of the door leaf is stronger, and the service life of the door leaf is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a frame connecting structure of a door leaf according to the present utility model;

FIG. 2 is a schematic diagram of a connection structure of a right angle connector and a lateral frame according to the present utility model;

FIG. 3 is a schematic view of a right angle connector according to the present utility model;

FIG. 4 is a left side view of the right angle connector of the present utility model connected to a lateral frame;

FIG. 5 is a schematic view of a transverse frame according to the present utility model;

fig. 6 is a left side view of the lateral frame of the present utility model.

In the figure: 1. a right angle connector; 11. a first connection portion; 12. a second connecting portion; 13. an outer panel; 14. a side plate; 15. an inner side plate; 16. a connection hole; 161. a connecting groove; 162. a fixing member; 17. an outer chamfer; 18. a connecting plate; 19. an inner clamping groove; 2. a transverse frame; 21. an outer edge plate; 22. a front edge plate; 23. an inner edge plate; 24. a rear edge plate; 25. an inner baffle; 26. a limiting plate; 27. a support plate; 28. a positioning strip; 3. and a vertical frame.

Detailed Description

In the description of the present utility model, it is to be noted that, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," "front," "rear," "head," "tail," and the like are merely for convenience in describing and simplifying the utility model based on the orientation or positional relationship shown in the drawings and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.

The following describes the embodiments of the present utility model in further detail with reference to the drawings.

Example 1:

the embodiment provides a frame connection structure of door leaf, including horizontal frame 2, vertical frame 3 and right angle connecting piece 1. The connection edge concatenation of horizontal frame 2 is the right angle with the connection edge concatenation of vertical frame 3, all is provided with the cavity in horizontal frame 2 and the vertical frame 3, and right angle connecting piece 1 includes first connecting portion 11 and second connecting portion 12, and first connecting portion 11 sets up mutually perpendicularly with second connecting portion 12, and first connecting portion 11 and second connecting portion 12 insert respectively in the cavity of horizontal frame 2 and vertical frame 3 and be connected with horizontal frame 2 and vertical frame 3. The first connection portion 11 and the second connection portion 12 are of a unitary structure. The transverse frame 2, the vertical frame 3 and the right-angle connecting piece 1 are all made of aluminum materials.

The frame connection structure of door leaf in this embodiment is through setting up right angle connecting piece 1 in the right angle department of door leaf frame, only need when making horizontal frame 2 be connected with vertical frame 3 through right angle connecting piece 1 can, connection structure is inseparable, easy operation reduces the solder joint that horizontal frame 2 and vertical frame are connected, and the outward appearance is more pleasing to the eye. And the first connecting part 11 and the second connecting part 12 of the right-angle connecting piece 1 are respectively connected in the transverse frame 2 and the vertical frame 3, so that the right-angle connecting piece 1 has the function of supporting and connecting the transverse frame 2 and the vertical frame 3, the connecting strength of the transverse frame 2 and the vertical frame 3 is higher, dislocation and deformation are not easy to occur between the transverse frame 2 and the vertical frame 3, the four corner structures of the frame are firm and stable, the compression resistance is improved, the stress intensity is high, the wind resistance of the door leaf is stronger, and the service life of the door leaf is prolonged.

Preferably, the first connection portion 11 and the second connection portion 12 are connected by a connection plate 18 and symmetrically disposed with respect to the connection plate 18. The first connecting portion 11 and the second connecting portion 12 each include an outer plate 13, an inner plate 15 and a side plate 14, the inner plate 15 is disposed in parallel on the inner side of the outer plate 13, and the side plate 14 is vertically connected to one side of the outer plate 13 and the inner plate 15 away from the connecting plate 18.

The first connecting portion 11 and the second connecting portion 12 in this embodiment are all connected through the outer plate 13, the inner plate 15 and the side plate 14 to form a frame-like structure, and the structure is light, stable, and has strong bearing capacity. The connecting plate 18 not only plays a role in connecting the first connecting part and the second connecting part, but also plays a role in supporting the first connecting part and the second connecting part, so that the structure of the right-angle connecting piece 1 is more stable and reliable.

Preferably, the outer plates 13 of the first and

second connection parts

11 and 12 are each provided with a connection hole 16 at a side thereof adjacent to the side plate 14. The fixing member 162 is connected to the connection hole 16 through the horizontal frame 2 or the vertical frame 3. The fixing member 162 is a screw. The connection holes 16 are provided in two.

The fixing piece 162 penetrates into the inner phase from the outer side of the transverse frame 2 or the vertical frame 3 and is fixed in the connecting hole 16 of the right-angle connecting piece 1, so that the right-angle connecting piece 1 is connected with the transverse frame 2 and the vertical frame 3, and the connection is simple and convenient and easy to operate.

Preferably, a connection groove 161 is provided at the connection hole 16 on the outer panel 13, and the connection groove 161 is concavely provided with respect to the outer panel 13. The two connection holes 16 are provided in the same connection groove 161, and the connection groove 161 can facilitate positioning of the fixing member 162, so that the fixing member 162 is easily fixed in the connection hole 16.

Preferably, as shown in fig. 3, the junction of the outer plate 13 of the first connecting portion 11 and the outer plate 13 of the second connecting portion 12 is provided with an outer chamfer 17. An inner clamping groove 19 is formed at the joint of the inner side plate 15 of the first connecting part 11 and the inner side plate 15 of the second connecting part 12, and the inner clamping groove 19 is concavely arranged relative to one side of the outer chamfer 17 of the inner side plate 15. The connection plate 18 is connected between the inner clamping groove 19 and the outer chamfer 17. The outer chamfer 17 makes the connection between the outer side plate 13 of the first connection part 11 and the outer side plate 13 of the second connection part more stable, and makes the structure of the right-angle connection part 1 more stable.

Preferably, as shown in fig. 5 and 6, the lateral frame 2 and the vertical frame 3 each include an inner side plate 23, an outer side plate 21, a front side plate 22, and a rear side plate 24. The outer side plate 21, the front side plate 22, the inner side plate 23 and the rear side plate 24 are sequentially connected to form a frame-shaped structure with a cavity inside. An inner baffle 25 is disposed in the cavity parallel to the outer plate 21. The first connecting portion 11 and the second connecting portion 12 are interposed between the inner barrier 25 and the outer edge 21, respectively. The inner baffle 25 is arranged against the inner side of the inner plate 15 of the right-angle connector 1 and abuts the outer plate 13 of the right-angle connector 1 against the outer plate 21.

As shown in fig. 1 and 6, the distance between the inner barrier 25 and the outer edge plate 21 in the present embodiment is equal to the width b of the first connection portion 11 or the second connection portion 12. The inner baffle 25 limits the right-angle connecting piece 1 in the cavities of the transverse frame 2 and the vertical frame 3, so that the right-angle connecting piece 1 is prevented from moving up and down in the cavities, and the right-angle connecting piece 1 is more firmly connected with the transverse frame 2 and the vertical frame 3.

Preferably, as shown in fig. 1 and 2, the connecting edges of the horizontal frame 2 and the connecting edges of the vertical frame 3 are spliced at an oblique angle of 45 degrees. The inner baffles 25 of the transverse frame 2 and the inner baffles 25 of the vertical frame 3 extend into the inner clamping groove 19 of the right-angle connector 1. The inner clamping groove 19 plays a role in positioning the inner baffle 25, so that the inner baffle 25 of the transverse frame 2 and the inner baffle 25 of the vertical frame 3 have better splicing effect in the inner clamping groove 19. The connecting plate 18 is arranged along the connecting seam of the transverse frame 2 and the vertical frame 3.

After the connecting edge of the horizontal frame 2 and the connecting edge of the vertical frame 3 in this embodiment are connected by the right-angle connecting piece 1, the butt joint of the outer edge plate 21 of the horizontal frame and the outer edge plate of the vertical frame is connected by spot welding, the butt joint of the inner edge plate 221 of the horizontal frame and the inner edge plate of the vertical frame is connected by spot welding, and welding spots are not arranged on the front side and the rear side of the frame, so that the appearance of the frame is not affected.

Preferably, as shown in fig. 4, two limiting plates 26 parallel to the outer edge plate 21 are arranged in the cavity, the two limiting plates 26 are respectively connected to the front edge plate 22 and the rear edge plate 24, and the two limiting plates 26 respectively abut against two sides of the right-angle connecting piece 1. As shown in fig. 4 and 6, the distance d between the two limiting plates is equal to the thickness a of the right angle connector.

In this embodiment, the limiting plates 26 are arranged to limit the two sides of the right-angle connecting piece 1, so that the right-angle connecting piece 1 is prevented from shaking back and forth in the cavity, and the connection stability of the right-angle connecting piece 1 and the transverse frame 2 as well as the vertical frame 3 is ensured.

Preferably, as shown in fig. 6, two inner baffles 25 are provided, and the two inner baffles 25 are connected to the front side plate 22 and the rear side plate 24, respectively. The distance between the two limiting plates 26 is greater than the distance between the two inner baffles 25. The distance d between the two limiting plates 26 is greater than the distance c between the two inner baffles 25. The two inner baffles 25 are blocked on the inner side plate 15 of the right-angle connecting piece 1, and the two limiting plates 26 are propped against two sides of the right-angle connecting piece, so that the right-angle connecting piece 1 is limited, and the connecting position of the right-angle connecting piece 1 is firmer.

Preferably, the inner side plates 23 of the transverse frame 2 and the vertical frame 3 are provided with positioning strips 28 which are arranged in a protruding manner. A supporting plate 27 is arranged in the inner cavities of the transverse frame 2 and the vertical frame 3, and the supporting plate 27 is arranged in parallel with the inner baffle 25. The supporting plate 27 plays a role in reinforcing and supporting the transverse frame 2 and the vertical frame 3, so that the structures of the transverse frame 2 and the vertical frame 3 are firmer. The cross section of the positioning strip 28 is in a right trapezoid structure, and one right-angle side of the positioning strip is connected with the inner side plate 23.

Two parallel arrangement's horizontal frame 2 and two parallel arrangement's vertical frame 3 connect gradually the door plant frame that forms the rectangle structure in this embodiment, are provided with the door plant in the door frame, and the periphery of door plant is leaned on in the rear side of the location strip 28 of horizontal frame 2 and vertical frame 3, and the location strip 28 of horizontal frame 2 and vertical frame 3 carries out spacingly to the door plant, makes the door plant be convenient for install to form stable in structure's door leaf.

The above description is only of the preferred embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can make several variations and modifications without departing from the inventive concept, and it is intended to cover the scope of the present utility model.

Claims

1. The utility model provides a frame connection structure of door leaf, its characterized in that, including horizontal frame (2), vertical frame (3) and right angle connecting piece (1), the connection limit of horizontal frame (2) with the connection limit concatenation of vertical frame (3) is the right angle, horizontal frame (2) with all be provided with the cavity in vertical frame (3), right angle connecting piece (1) include first connecting portion (11) and second connecting portion (12), first connecting portion (11) with second connecting portion (12) set up mutually perpendicularly, first connecting portion (11) with second connecting portion (12) insert respectively in the cavity of horizontal frame (2) with vertical frame (3) and with horizontal frame (2) with vertical frame (3) are connected.

2. A door leaf frame connection structure according to claim 1, wherein the first connection portion (11) and the second connection portion (12) are connected by a connection plate (18) and symmetrically arranged with respect to the connection plate (18), the first connection portion (11) and the second connection portion (12) each comprise an outer plate (13), an inner plate (15) and a side plate (14), the inner plate (15) is arranged in parallel to the inner side of the outer plate (13) and the side plate (14) is vertically connected to one side of the outer plate (13) and the inner plate (15) away from the connection plate (18).

3. The frame connection structure of a door leaf according to claim 2, wherein the side of the outer side plate (13) of the first connection portion (11) and the second connection portion (12) close to the side plate (14) is provided with a connection hole (16), and a fixing member (162) penetrates through the transverse frame (2) or the vertical frame (3) to be connected to the connection hole (16).

4. A door leaf frame connection according to claim 3, characterized in that a connection groove (161) is provided at the connection hole (16) in the outer panel (13), said connection groove (161) being arranged concave with respect to the outer panel (13).

5. The frame connection structure of a door leaf according to claim 2, wherein an outer chamfer (17) is provided at a connection between an outer side plate (13) of the first connection portion (11) and an outer side plate (13) of the second connection portion (12), an inner clamping groove (19) is provided at a connection between an inner side plate (15) of the first connection portion (11) and an inner side plate (15) of the second connection portion (12), and the inner clamping groove (19) is recessed toward one side of the outer chamfer (17) with respect to the inner side plate (15).

6. The frame connection structure of a door leaf according to claim 5, wherein the lateral frame (2) and the vertical frame (3) each comprise an inner side plate (23), an outer side plate (21), a front side plate (22) and a rear side plate (24), the outer side plate (21), the front side plate (22), the inner side plate (23) and the rear side plate (24) are sequentially connected to form a frame structure with a cavity inside, an inner baffle plate (25) parallel to the outer side plate (21) is arranged in the cavity, the first connection part (11) and the second connection part (12) are respectively inserted between the inner baffle plate (25) and the outer side plate (21), and the inner baffle plate (25) is arranged against the inner side of the inner side plate (15) of the right-angle connection part (1) and the outer side plate (13) of the right-angle connection part (1) is abutted against the outer side plate (21).

7. The door leaf frame connecting structure according to claim 6, wherein the connecting edges of the transverse frame (2) and the vertical frame (3) are spliced at an oblique angle of 45 degrees, and the inner baffle (25) of the transverse frame (2) and the inner baffle (25) of the vertical frame (3) are both extended into the inner clamping groove (19) of the right-angle connecting piece (1).

8. A door leaf frame connection structure according to claim 7, characterized in that two limiting plates (26) parallel to the outer edge plate (21) are arranged in the cavity, the two limiting plates (26) are respectively connected to the front edge plate (22) and the rear edge plate (24), and the two limiting plates (26) are respectively abutted against two sides of the right-angle connecting piece (1).

9. A door leaf frame connection structure according to claim 8, wherein two inner baffles (25) are provided, the two inner baffles (25) are respectively connected to the front side plate (22) and the rear side plate (24), and the distance between the two limiting plates (26) is greater than the distance between the two inner baffles (25).

10. The frame connecting structure of a door leaf according to claim 6, wherein the inner side plates (23) of the horizontal frame (2) and the vertical frame (3) are provided with positioning strips (28) which are arranged in a protruding manner; the inner cavities of the transverse frame (2) and the vertical frame (3) are provided with supporting plates (27), and the supporting plates (27) and the inner baffle plates (25) are arranged in parallel.