CN218177045U

CN218177045U - Free folding door

Info

Publication number: CN218177045U
Application number: CN202222081802.2U
Authority: CN
Inventors: 范泽金
Original assignee: Sichuan Jinzhi Shangpin Door & Window Co ltd
Current assignee: Sichuan Jinzhi Shangpin Door & Window Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-12-30
Anticipated expiration: 2032-08-08

Abstract

The utility model provides a free folding door, which comprises a door frame and two groups of door leaves arranged in the door frame, wherein the door frame comprises two groups of oppositely arranged side frames and a top frame connected between the tops of the two groups of side frames, the inner side ends of the two groups of door leaves are hinged with each other, and the outer side ends of the two groups of door leaves are inserted in the door frame in a left-right sliding manner through a group of vertical shafts; the opposite surfaces of the two groups of side frames are respectively provided with a group of first arc-shaped concave surfaces, and the outer side ends of the two groups of door leaves are respectively provided with an arc-shaped part matched with the first arc-shaped concave surfaces; the utility model discloses an among the free folding door, the outside end of two sets of door leafs all is provided with arc portion, all is equipped with a set ofly on the two sets of side frame opposites faces of door frame the first arc concave surface that the arc portion matches mutually when two sets of door leafs close, and the arc portion of the outside end of two sets of door leafs is laminated mutually with the first arc concave surface on the door frame for clearance between door leaf and the door frame is minimum, has increased the gas tightness between door leaf and the door frame.

Description

Free folding door

Technical Field

The utility model relates to a door and window field particularly, relates to a freely folding door.

Background

The free folding door is a novel door and window structure, and it can close the door frame totally when expanding, can pile up in door frame one side after folding, and the area that occupies the door frame after piling up is few for the door frame has splendid trafficability characteristic, is particularly useful for the installation occasion that the door frame reserve area is less and need great trafficability characteristic again.

Most of existing free folding doors are provided with two or more door leaves, the door leaves and a door frame are connected in a rotating mode through a set of vertical shafts capable of sliding left and right back and forth, after the door leaves are closed, a large gap is reserved between the door leaves and the door frame, when the door leaves are applied to kitchen doors, windows and air conditioning rooms to be separated, the large gap is poor in gas flow blocking performance, and therefore oil smoke in a kitchen and air conditioning rooms can easily overflow.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the shortcoming of background art, provide a freely folding door.

The embodiment of the utility model discloses a realize through following technical scheme:

a free folding door comprises a door frame and two groups of door leaves arranged in the door frame, wherein the door frame comprises two groups of oppositely arranged side frames and a top frame connected between the tops of the two groups of side frames, the inner side ends of the two groups of door leaves are hinged with each other, and the outer side ends of the two groups of door leaves are inserted into the door frame in a left-right sliding manner through a group of vertical shafts;

and the opposite surfaces of the two groups of side frames are provided with a group of first arc-shaped concave surfaces, and the outer side ends of the two groups of door leaves are provided with arc-shaped parts matched with the first arc-shaped concave surfaces.

In some preferred embodiments, the centers of the arc trajectory of the first arc-shaped concave surface and the arc trajectory of the arc-shaped portion are both located on the axis of the vertical shaft.

In some preferred embodiments, a group of connecting pieces is respectively arranged on the upper side and the lower side of the outer side end of the sash frame of the door leaf, and the two groups of connecting pieces are arranged oppositely up and down; the opposite surfaces of the two groups of connecting pieces are respectively provided with a group of vertical shafts, and the upper side and the lower side of the outer side end of the fan frame are respectively connected with one group of vertical shafts in a rotating way; and the two groups of connecting sheets are clamped on the side frame through a group of clamping strips.

In some preferred embodiments, the inner ends of the two door leaves are rotatably connected through a group of middle rotating columns, a group of second arc-shaped concave surfaces are arranged on both sides of each middle rotating column, and arc-shaped portions matched with the second arc-shaped concave surfaces are also arranged on the inner ends of the door leaves.

In some preferred embodiments, a set of connecting frames is arranged on the side frame, and the first arc-shaped concave surface is positioned on the connecting frames.

In some preferred embodiments, the connecting frame is provided with a tail support extending into the side frame, and the tail support is fixed inside the side frame through screws.

In some preferred embodiments, the clamping strip is fixed on the connecting frame through a screw.

In some preferred embodiments, the door leaf is connected to the head frame by a connector.

The utility model discloses technical scheme has following advantage and beneficial effect at least:

the utility model discloses an among the free folding door, the outside end of two sets of door leafs all is provided with arc portion, all is provided with a set ofly on the two sets of side frame opposites faces of door frame the first arc concave surface that the arc portion matches mutually when two sets of door leafs close, and the arc portion of the outside end of two sets of door leafs is laminated mutually with the first arc concave surface on the door frame for clearance between door leaf and the door frame is minimum, has increased the gas tightness between door leaf and the door frame.

Drawings

Fig. 1 is a top view of the freely folding door of the present invention;

fig. 2 is a side view of the free folding door of the present invention;

fig. 3 is a schematic view of the connection between the door leaf and the side frame of the freely foldable door of the present invention;

icon: 10-side frame, 11-connecting frame, 110-first arc concave surface, 111-clamping strip, 112-tail support, 113-screw, 12-middle rotating column, 120-second arc concave surface, 13-top frame, 130-connecting piece, 20-door leaf, 200-leaf frame, 201-arc part, 21-connecting piece and 210-vertical shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of this application is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific orientation, be constructed in a specific orientation and be operated is not to be construed as limiting the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, the present invention discloses a freely folding door, which comprises a door frame and two sets of door leaves 20 arranged in the door frame.

Wherein the door frame comprises two sets of oppositely arranged side frames 10 and a top frame 13 connected between the tops of the two sets of side frames 10,

the inner side ends of the two groups of door leaves 20 are hinged with each other, the outer side ends of the two groups of door leaves 20 are inserted into the door frame through a group of vertical shafts 210 in a left-right sliding manner, and the door frame has no bottom frame structure, so that the attractiveness of the ground is improved.

The two sets of first arc-shaped concave surfaces 110 are arranged on opposite surfaces of the two sets of side frames 10, the two sets of first arc-shaped concave surfaces 110 are arc-shaped opening structures with opposite openings in a overlooking visual angle of the door frame, the arc-shaped opening structures vertically extend downwards to form the first arc-shaped concave surfaces 110, the two sets of outer side ends of the door leaves 20 are respectively provided with arc-shaped parts 201 matched with the first arc-shaped concave surfaces 110, when the two sets of door leaves 20 are closed, the arc-shaped parts 201 of the outer side ends of the door leaves 20 are respectively attached to the first arc-shaped concave surfaces 110 on the same side, and compared with a traditional freely folding door, the size of a gap between the door leaves 20 and the door frame is greatly reduced.

The door leaf 20 includes the fan frame 200 of aluminum alloy material and sets up the glass in fan frame 200, refer to fig. 1, in this embodiment, the upper and lower both sides of the fan frame 200 outside end of door leaf 20 respectively be provided with a set of sheet metal structure's connection piece 21, two sets of connection piece 21 sets up the upper and lower both ends of first arc concave 110, two sets of connection piece 21 is used for connecting fan frame 200 and side frame 10, specifically says:

referring to the drawing 1, in this embodiment, two sets of the connecting pieces 21 located at the upper and lower sides of the outer end of the left fan frame 200 are disposed opposite to each other, and a set of the vertical shafts 210 is disposed on the opposite surfaces of the two sets of the connecting pieces 21, the upper and lower sides of the outer end of the fan frame 200 are respectively connected with a set of the vertical shafts 210 in a rotating manner, so that the fan frame 200 can rotate around the vertical shafts 210 at the outer end of the fan frame 200, the inner ends of the two sets of the fan frames 200 are connected in a rotating manner through a set of the middle rotating column 12, the connecting pieces 21 at the outer end of the right fan frame 200 are connected with the top frame 13 in a left-right sliding manner, that is, the top frame 13 is provided with a sliding rail, the upper end of the connecting piece 21 is suspended in the sliding manner in the sliding rail in a left-right sliding manner, referring to fig. 3, the fan frame 200 is connected with the top frame 13 in a rotating manner through the connecting piece 130.

In this embodiment, the centers of the arc-shaped locus of the first arc-shaped concave surface 110 and the arc-shaped locus of the arc-shaped portion 201 are both located on the axis of the vertical shaft 210.

Referring to fig. 1, the two groups of connecting pieces 21 located on the left side are respectively clamped on the side frame 10 through a group of clamping strips 111, and the clamping strips 111 and the side frame 10 are fastened through screws.

Referring to fig. 1, the inner side ends of two door leaves 20 are rotatably connected through a set of turning column 12, a set of second arc-shaped concave surfaces 120 are respectively disposed on two sides of the turning column 12, the radian parameters of the second arc-shaped concave surfaces 120 are the same as those of the first arc-shaped concave surfaces 110, and arc-shaped portions 201 matched with the second arc-shaped concave surfaces 120 are also disposed on the inner side ends of the door leaves 20.

Referring to fig. 3, a set of connecting frames 11 is disposed on the side frame 10, the first arc-shaped concave surface 110 is disposed on the connecting frames 11, tail brackets 112 extending into the side frame 10 are disposed on the connecting frames 11, and the tail brackets 112 are fixed inside the side frame 10 by three sets of screws 113, and further, referring to fig. 3, to save cost, the fastening strip 111 may be fixed on the connecting frames 11 by a middle set of horizontally disposed long rod type screws 113 among the three sets of screws 113, that is, the long rod type screws 113 may be simultaneously threaded on the fastening strip 111, the tail brackets 112 and the side frame.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a freely folding door, includes the door frame and sets up two sets of door leafs (20) in the door frame, the door frame includes two sets of opposition side frame (10) that set up and connects top frame (13) between two sets of side frame (10) tops, and is two sets of articulated each other between the medial extremity of door leaf (20), two sets of the outside end of door leaf (20) all can insert through a set of vertical axis (210) with the horizontal slip and establish in the door frame, its characterized in that:

the two sets of side frames (10) are provided with a set of first arc-shaped concave surfaces (110) on opposite surfaces, and the outer ends of the two sets of door leaves (20) are provided with arc-shaped parts (201) matched with the first arc-shaped concave surfaces (110).

2. The free-folding door of claim 1, characterized in that: the circle centers of the arc-shaped track of the first arc-shaped concave surface (110) and the arc-shaped track of the arc-shaped part (201) are both positioned on the axis of the vertical shaft (210).

3. The free-folding door according to claim 1 or 2, characterized in that: the upper side and the lower side of the outer side end of the sash frame (200) of the door leaf (20) are respectively provided with a group of connecting sheets (21), and the two groups of connecting sheets (21) are arranged oppositely up and down; the vertical shafts (210) are arranged on the opposite surfaces of the two groups of connecting pieces (21), and the upper side and the lower side of the outer side end of the fan frame (200) are respectively in rotary connection with the vertical shafts (210); the two groups of connecting pieces (21) are clamped on the side frame (10) through a group of clamping strips (111).

4. The free-folding door according to claim 1 or 2, characterized in that: the inner side ends of the two groups of door leaves (20) are rotatably connected through a group of transfer columns (12), a group of second arc-shaped concave surfaces (120) are arranged on two sides of each transfer column (12), and arc-shaped parts (201) matched with the second arc-shaped concave surfaces (120) are also arranged on the inner side ends of the door leaves (20).

5. The free-folding door according to claim 3, characterized in that: a group of connecting frames (11) are arranged on the side frames (10), and the first arc-shaped concave surfaces (110) are located on the connecting frames (11).

6. The free-folding door of claim 5, characterized in that: the connecting frame (11) is provided with a tail support (112) extending into the side frame (10), and the tail support (112) is fixed inside the side frame (10) through a screw (113).

7. The free-folding door of claim 6, characterized in that: the clamping strip (111) is fixed on the connecting frame (11) through a screw (113).

8. The free-folding door according to claim 1 or 2, characterized in that: the door leaf (20) is connected with the top frame (13) through a connecting piece (130).