TWI739671B - Folding door structure - Google Patents

Abstract

The present invention provides a folding door structure, which includes a plurality of door panel units, two guide groove units and a plurality of connecting rods; each of the door panel units is provided with a first pivot point and a second pivot point. Two guide wheels, the guide wheels are adjacent to the first pivot points; the guide groove units each have the guide wheels accommodated in a groove, and the guide groove units each have a door panel storage section, A bending section and a door panel unfolding section; each of the connecting rods has a first end and a second end arranged opposite to each other; wherein the first side surfaces of two adjacent door panel units are pivotally connected to at least one For the connecting rod, the first end of each of the connecting rods is pivotally connected to the first pivot point of the door panel unit, and the second end is pivotally connected to the second pivot point of another adjacent door panel unit; When the door panel units are arranged in the door panel storage section, each of the door panel units has a distance.

Description

Folding door structure

The present invention relates to a folding door structure, in particular to a folding door structure having a guide wheel and a connecting rod to guide a plurality of door panel units into an unfolded use state when the door is closed and a storage and use state when the door is opened, and has a low failure rate.

Generally, an iron rolling door is usually installed in a Toutian residence, factory or other place to achieve the purpose of sheltering, anti-theft, etc. However, most of the conventional iron rolling doors on the market are formed by connecting several rolling door pieces in series. The structure that can be wound, and the two sides of these rolling door pieces will slide along a guide rail, so that these rolling door pieces are convenient to achieve the purpose of lifting, opening and closing, and some will change the iron rolling door to The structure of the folding door, and the popular folding door on the market mainly uses a chain to drive and drive the door panel of the folding door, so that the folding door can also achieve the function of lifting, opening and closing.

However, the main transmission of conventional folding doors is to use a motor to drive a chain to drive and drive the door panel of the folding door. In an island-like climate, these chains used for folding doors are often affected by the high humidity of the climate. It is easy to rust, and the chains used to pull the door panels of these folding doors are easy to rust and cause chain breaks or other failure problems, and cause the door panels of these folding doors to fall off. At the same time, the door panels of these folding doors often fall It will cause personal injury. Therefore, it is necessary to overcome the problem of using chains to drive the door panels of folding doors and prone to chain breaks or other failures.

The object of the present invention is to provide a folding door structure, the folding door structure is mainly pivoted on the side of the door panel unit with a plurality of connecting rods to connect with the adjacent door panel unit, thereby not only simplifying its installation method and improving its durability And safety.

In order to achieve the above objective, the present invention provides a folding door structure, which includes a plurality of door panel units, two guide groove units and a plurality of connecting rods; and each of the door panel units has two opposite first side surfaces and two guide wheels, wherein, The first side surfaces are respectively provided with a first pivot point and a second pivot point, the guide wheels are adjacent to the first pivot points, and the second pivot points are set on each of the first pivot points. The other end of one side opposite to the first pivot point; each of the guide groove units has a groove for accommodating the corresponding guide wheels, wherein each of the guide groove units has a door panel receiving section, A door panel expansion section and a bending section, wherein the bending sections are each arranged between the door panel storage section and the door panel expansion section; each of the connecting rods has a first end and a second end arranged opposite to each other ; Wherein, the first side surfaces of two adjacent door panel units are pivotally connected to at least one of the connecting rods, and the connecting rods are projected to the first side surface of each of the door panel units that are pivoted Have an angle of inclination with each other; wherein, the first end of each of the connecting rods is pivotally connected to the first pivot point of the door panel unit, and the second end is pivotally connected to another adjacent door panel unit The second pivot point; wherein, when the door panel units are arranged in the door panel storage section, each of the door panel units has a distance.

Further, the folding door structure is provided with a fixing unit including a baffle, two first fixing frames arranged opposite to the baffle, and two second fixing frames arranged opposite to each other on the first fixing frame .

Further, the folding door structure is provided with a driving unit, and the driving unit includes a set of drivers arranged on one of the second fixing frames, two retracting wheels arranged on the first fixing frame, and a respectively connected The chain of the driver and the winding wheel, two winding wires of the two guide wheels respectively connected to one of the door panel units, and a rotating shaft connecting the winding wheels.

Further, the fixing unit includes a fixing plate fixed to the baffle plate, and the fixing plate has a through hole through which the rotating shaft passes.

Further, two elastic pieces are sleeved on the rotating shaft. One ends of the elastic pieces are respectively fixed on both sides of the fixing plate, and the other ends are respectively connected to a fixed device and fixed on the rotating shaft.

Further, when the door panel units are arranged in the door panel unfolding section, the projection positions of the first pivot points 13 on the ground and the projection positions of the second pivot points on the ground do not overlap with each other.

Further, each of the door panel units is provided with a dust-proof unit adjacent to the surface of the other door panel unit, each of the dust-proof units is provided with a dust-proof piece and a buffer piece, and one end of each dust-proof piece is assembled on the door plate unit. The other end is pivotally connected to the buffer member.

Therefore, the folding door structure of the present invention has the following beneficial effects compared with the prior art: the door panel units can use the guide wheels along the corresponding guide groove units to be in an unfolded use state with the door closed or a storage and use state with the door opened. The door panel units are each provided with the connecting rods so that they can be linked to each other, thereby increasing their durability.

Here are a few preferred implementation aspects of the technical features and operation methods of this application, which will be described in conjunction with the illustration below for review and reference. Furthermore, the figures in the present invention are not necessarily drawn according to the actual scale for the convenience of explanation, and the proportions in the figures are not used to limit the scope of protection of the present invention.

For the technology of the present invention, please refer to Figures 1 to 6. The folding door structure of the present invention includes a plurality of door panel units 10, two guide groove units 20, a plurality of connecting rods 30, a fixing unit 40, and a drive Unit 50, where:

The door panel units 10, please refer to Fig. 3-2, each has two opposite first side surfaces 11 and two guide wheels 12, wherein the first side surfaces 11 are respectively provided with a first pivot point 13 and a second Two pivot points 14, the guide wheels 12 are adjacent to the first pivot points 13, and the second pivot points 14 are set on each of the first side faces 11 relative to the first pivot point 13 The other end

Each of the guide groove units 20 has a groove 21 for accommodating the corresponding guide wheels 12, wherein each of the guide groove units 20 has a door panel storage section 22, a door panel expansion section 23, and a bend. The folding section 24, wherein each of the bending sections 24 is arranged between the door panel receiving section 23 and the door panel unfolding section 23;

Each of the connecting rods 30 has a first end 31 and a second end 32 opposed to each other;

The fixing unit 40 includes a baffle 41, two first fixing frames 42 oppositely arranged on the baffle 41, two second fixing frames 43 oppositely arranged on the first fixing frame 42 and a fixing plate 44 respectively , The fixing plate 44 has a through hole 45;

The driving unit 50 includes a set of drivers 51 arranged on one of the second fixing frames 43, two retracting wheels 52 arranged on the first fixing 42 respectively, and one connecting the driver 51 and the retracting wheel respectively The chains 53 and two of 52 are respectively connected to one of the retracting wires 54 of the door panel unit 10 and the two guide wheels 12 and a rotating shaft 55 connecting the retracting wheels 52, and the rotating shaft 55 passes through the through hole 45, and two elastic members 56 are sleeved on the rotating shaft 55. One ends of the elastic members 56 are respectively fixed on both sides of the fixing plate 44, and the other ends of the elastic members 56 are respectively connected to a fixing device 57 to respectively Fixed on the shaft 55, the elastic elements 56 are designed to be weighted according to the weight of the door panel units 10. The elastic elements 56 in this embodiment are springs, and the driver 51 is a motor The winding wires 54 are steel cables, but not limited to this. One end of the winding wires 54 is connected to the winding wheel 52, and the other end is connected to one of the door panel units 10 Guide wheel 12;

Wherein, the first side surfaces 11 of the two adjacent door panel units 10 are each pivotally connected to at least two of the connecting rods 30, but not limited to this, please refer to Figs. 3-1 and 3-2 again As shown, in the door panel units 10 of this embodiment, except for the first door panel unit 10 and the last door panel unit 10, which are pivotally connected to the adjacent door panel unit 10, the two connecting rods 30, and the remaining door panel units 10 The first side surfaces 11 are each pivotally connected to four groups of the connecting rods 30, and the first end 31 of each of the connecting rods 30 is pivotally connected to the first pivot point 13 of the door panel unit 10. The The second end 32 is pivotally connected to the second pivot point 14 of another adjacent door panel unit 10. Please refer to Figures 3-2 and 4-2 again, and the connecting rods 30 are projected onto The first side surface 11 of each of the hinged door panel units 10 has an inclination angle α, so the connecting rods 30 are projected to the corresponding first side surface when the door is opened and when the door is closed. One side surface 11 has the inclination angle α; when the door panel units 10 are installed in the door panel storage section 22, the door panel units 10 have a spacing S between them, and when the door panel units 10 are installed in the door panel unfolding section At 23 o'clock, the projection positions of the first pivot points 13 on the ground and the projection positions of the second pivot points 14 on the ground do not overlap with each other. Therefore, the inclination angle α will not be a vertical angle of 90 degrees. .

In this way, please refer to Figure 1, Figure 3-1, Figure 3-2 and Figure 5. When the folding door structure is in the storage and use state when the door is opened, the drive 51 of the drive unit 50 will The chain 53 is driven to drive the rotating shaft 55 arranged on the first fixing frame 42 so that the rotating shaft 55 drives the winding wheels 52 arranged on the rotating shaft 55, and the winding wheels 52 are respectively wound The winding wire 54 causes the winding wires 54 to respectively drive the winding wheel 52 of the door panel unit 10 to which the other ends of the winding wires 54 are connected, so that the guide wheels 12 of the door panel units 10 are at The guide groove unit 20 moves in the groove 21, that is, from the door panel expansion section 23 through the bending section 24 and can be stored in the door panel storage section 22, wherein the door panel units 10 are provided with the Connecting rods 30, and the guide wheels 12 are accommodated in the grooves 21 of the guide groove units 20, and are respectively pivotally connected to the connecting rods 30 between the adjacent door panel units 10 and Correspondingly, the door panel units 20 are inclined at an angle, that is, when the connecting rods 30 are projected on the first side surface 11, the connecting rods 30 and the door panel units 10 pivotally connected will have the inclination angle α, so The door panel units 10 utilize the connecting rods 30 with the inclination angle α to be structurally designed so that the door panel units 10 can pass smoothly through the bending section 24 of the guide groove units 20 and are located in the door panel storage section 22 of the door panel units 10 will each have an appropriate spacing S; please refer to Figure 2, Figure 4-1, Figure 4-2, and Figure 6, when the folding door structure is closing the door In the unfolded state of use, the driver 51 of the drive unit 50 drives the chain 53 to drive the rotating shaft 55 arranged on the first fixing frame 42 so that the rotating shaft 55 drives the coils arranged on the rotating shaft 55 The retracting wheel 52 rotates and rotates in a different direction from the rotating shaft 55 in the expanded state of use, and the waiting door panel unit 10 will use its gravity to expand the door panel expansion section 23 one by one, and will utilize the elasticity of the rotating shaft 55 The elastic force generated by the member 56 assists the driver 51 to drive the required force of the door panel units 10, and is easy to operate and use. At this time, the connecting rods 30 are projected to each of the hinged door panel units 10 The first side surface 11 has another inclination angle α.

Please refer to Figures 7-1 and Figure 7-2, which is another embodiment of the present invention, which is mainly in that the door panel units 10 are each provided with a dust-proof unit 60 adjacent to the other door panel unit 10. Each dust-proof unit 60 is provided with a dust-proof piece 61 and a buffer piece 62. One end of each dust-proof piece 61 is assembled on the door panel unit 10 and the other end is pivotally connected to the buffer piece 62. Therefore, when the door panel units 10 After the door panel unfolding section 23 is completed, the dust-proof member 61 will abut on another adjacent door panel unit 10, thereby achieving the functions of dust and water blocking.

In summary, in the folding door structure of the present invention, the door panel units 10 can use the guide wheels 12 along the corresponding guide groove units 20 to be in an unfolded use state with the door closed or an opened storage state with the door, and the Each of the door panel units 10 has the connecting rods 30 so that they can be linked to each other, thereby increasing their durability and safety.

The content of the present invention has been described in detail above, but the above are only preferred embodiments of the present invention, and should not be used to limit the scope of implementation of the present invention, that is, all equivalent changes and changes made in accordance with the scope of the patent application of the present invention Modifications should still fall within the scope of the patent of the present invention.

10: Door panel unit 11: First side 12: Guide wheel 13: The first pivot point 14: The second pivot point 20: Guide trough unit. 21: Groove 22: Door storage section 23: Door expansion section 24: bending section 30: connecting rod 31: first end 32: second end 40: fixed unit 41: bezel 42: The first fixing frame 43: second fixing frame 44: fixed plate 45: Through hole 50: drive unit 51: drive 52: Rewinding wheel 53: chain 54: winding wire 55: shaft 56: Elastic 57: Fixer 60: Dustproof unit 61: Dustproof parts 62: Buffer S: Spacing α: tilt angle

Figure 1: A three-dimensional schematic diagram of the folding door structure of the present invention in its storage and use state. Figure 2 is a three-dimensional schematic diagram of the folding door structure of the present invention in its unfolded use state. Figure 3-1: is a schematic side view of the folding door structure of the present invention in its storage and use state. Figure 3-2: is a partial enlarged schematic diagram of the circled part in Figure 3-1 of the present invention. Figure 4-1: is a schematic side view of the folding door structure of the present invention in its unfolded use state. Figure 4-2: is a partial enlarged schematic diagram of the circled area in Figure 4-1 of the present invention. Figure 5: is a rear view of the folding door structure of the present invention in its storage and use state. Figure 6: is the rear view of the folding door structure of the present invention in its unfolded use state. Figure 7-1: is a partial enlarged schematic view of the door panel unit of another embodiment of the present invention before its unfolded use state is completed. Figure 7-2: is a partial enlarged schematic diagram of the door panel unit of another embodiment of the present invention after its unfolded use state is completed.

10: Door panel unit

20: Guide trough unit

21: Groove

30: connecting rod

40: fixed unit

41: bezel

42: The first fixing frame

43: second fixing frame

44: fixed plate

45: Through hole

50: drive unit

51: drive

52: Rewinding wheel

53: chain

54: winding wire

55: shaft

56: Elastic

57: Fixer

Claims (7)

A folding door structure including: A plurality of door panel units, each of the door panel units has two opposite first side surfaces and two guide wheels, wherein the first side surfaces are respectively provided with a first pivot point and a second pivot point, and the guide wheels are Adjacent to the first pivot points, and the second pivot points are arranged at the other end of each of the first side surfaces relative to the first pivot point; The two guide groove units each have a groove for accommodating the corresponding guide wheels. Each of the guide groove units has a door panel accommodating section, a door panel unfolding section, and a bending section. The bending sections are respectively arranged between the door panel storage section and the door panel unfolding section; and A plurality of connecting rods, each of the connecting rods has a first end and a second end arranged opposite to each other; Wherein, the first side surfaces of two adjacent door panel units are pivotally connected to at least one connecting rod, and the connecting rods are projected to each other when projecting to the first side surface of each of the hinged door panel units. Has an angle of inclination; Wherein, the first end of each of the connecting rods is pivotally connected to the first pivot point of the door panel unit, and the second end is pivotally connected to the second pivot point of another adjacent door panel unit ； Wherein, when the door panel units are arranged in the door panel storage section, each of the door panel units has a distance. According to the folding door structure of claim 1, further, the folding door structure is provided with a fixing unit, and the fixing unit includes a baffle plate, two first fixing frames arranged opposite to the baffle plate, and two opposite groups arranged respectively The second fixing frame on the first fixing frame. According to the folding door structure of claim 2, further, the folding door structure is provided with a driving unit, and the driving unit includes a set of drivers arranged on one of the second fixing frames, and two drivers arranged on the second fixing frame respectively. A winding wheel of the fixed frame, a chain connecting the driver and the winding wheel respectively, two winding wires of the two guide wheels connected to one of the door panel units, and a rotating shaft connecting the winding wheels . According to the folding door structure of claim 3, further, the fixing unit includes a fixing plate fixed to the baffle, and the fixing plate has a through hole through which the rotating shaft passes. According to the folding door structure of claim 4, further, two elastic members are sleeved on the rotating shaft, one ends of the elastic members are respectively fixed on both sides of the fixing plate, and the other ends are respectively connected to a fixing device They are respectively fixed on the rotating shaft. The folding door structure according to claim 1, wherein when the door panel units are arranged in the door panel unfolding section, the position where the first pivot points are projected onto the ground and the position where the second pivot points are projected onto the ground The positions do not overlap with each other. According to the folding door structure of claim 1, further, each of the door panel units is provided with a dust-proof unit adjacent to the other door panel unit surface, and each of the dust-proof units is provided with a dustproof part and a buffer part, and each One end of the dustproof member is assembled on the door panel unit, and the other end is pivotally connected to the buffer member.

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