CN220979253U - Folding door - Google Patents

Abstract

The application discloses a folding door, which relates to the technical field of folding doors, and comprises a door frame and at least two door leaves, wherein the at least two door leaves are hinged on one side edge of the door frame after being sequentially hinged, so that the at least two door leaves can be freely switched between a folding state and an unfolding state; each door leaf comprises a plurality of hollow frame parts, a reinforcing rod piece is arranged in at least one hollow frame part, the extending direction of the reinforcing rod piece is the same as that of the corresponding hollow frame part, and the hardness of the reinforcing rod piece is greater than that of the hollow frame part. According to the technical scheme, the folding door has good windproof performance, and can meet the use requirement of the folding door in areas with frequent typhoon weather.

Description

Folding door

Technical Field

The application relates to the technical field of folding doors, in particular to a folding door.

Background

The application range of the traditional folding door is mainly that the indoor door is used or the outdoor door is used under the general condition, and the windproof performance is not required to be considered, so that the frame of the door leaf is generally of a lighter aluminum profile structure for facilitating folding and unfolding of the door leaf, and the hardness of the aluminum profile structure cannot meet the compression-resistant requirement of larger wind force. Thus, the conventional folding door cannot be applied to areas frequently subjected to typhoon weather, so as to meet the use requirements of the folding door in the areas.

Disclosure of utility model

The embodiment of the application provides a folding door, which aims to solve the technical problem that the traditional folding door cannot be applied to areas frequently suffering typhoon weather so as to meet the use requirements of the folding door in the areas.

Therefore, the embodiment of the application provides a folding door, which comprises a door frame and at least two door leaves, wherein the at least two door leaves are hinged on one side edge of the door frame after being hinged in sequence, so that the at least two door leaves can be freely switched between a folding state and an unfolding state; each door leaf comprises a plurality of hollow frame parts, at least one reinforcing rod piece is placed in each hollow frame part, the extending direction of the reinforcing rod piece is the same as that of the corresponding hollow frame part, and the hardness of the reinforcing rod piece is greater than that of the hollow frame part.

Optionally, in some embodiments of the present application, the reinforcement bar is fastened to the corresponding hollow frame portion by at least one screw structure.

Optionally, in some embodiments of the present application, the hollow frame portion is an aluminum profile structure, and the reinforcement bar is a steel structure.

Optionally, in some embodiments of the present application, the plurality of hollow frame portions includes two vertical frame portions and two horizontal frame portions, one of the horizontal frame portions is connected between top sides of the two vertical frame portions, and another of the horizontal frame portions is connected between bottom sides of the two vertical frame portions, so that the plurality of hollow frame portions are enclosed to form a rectangular frame body; each vertical frame part is internally provided with the reinforcing rod piece.

Optionally, in some embodiments of the present application, each door leaf further includes a rectangular door panel, and edges around the rectangular door panel are fastened to the inner side of the rectangular frame body respectively.

Alternatively, in some embodiments of the application, the rectangular door panel is a hollow laminated glass.

Optionally, in some embodiments of the present application, each of the vertical frame parts and each of the horizontal frame parts are fastened by an angle connector.

Optionally, in some embodiments of the present application, the door frame is provided with a first rail groove located above or below the door frame and extending from one side edge of the door frame to the other side edge of the door frame; at least one of the door leaves is provided with a first pulley on the top side or the bottom side, and the first pulley is connected to the first sliding rail groove in a sliding mode.

Optionally, in some embodiments of the present application, the door frame is further provided with a second sliding rail groove, the second sliding rail groove is located below the door frame or above the door frame, and extends from one side edge of the door frame to the other side edge of the door frame; at least one of the door leaves is provided with a second pulley on the top side or the bottom side, and the second pulley is connected to the second sliding rail groove in a sliding manner.

Optionally, in some embodiments of the present application, a joint between each door leaf and another adjacent door leaf and/or a joint between each door leaf and a side edge of the door frame is provided with a sealing rubber strip made of composite material.

The folding door provided by the technical scheme of the application comprises a door frame and at least two door leaves, wherein the at least two door leaves are hinged on one side edge of the door frame after being sequentially hinged, so that the at least two door leaves can be freely switched between a folding state and an unfolding state; each door leaf comprises a plurality of hollow frame parts, a reinforcing rod piece is arranged in at least one hollow frame part, the extending direction of the reinforcing rod piece is the same as that of the corresponding hollow frame part, and the hardness of the reinforcing rod piece is greater than that of the hollow frame part. Therefore, the folding door disclosed by the application has the advantages that the folding and unfolding functions are realized between at least two door leaves, and meanwhile, the corresponding reinforcing rod piece is additionally arranged in at least one hollow frame part of each door leaf, so that the hardness of the original hollow frame part is greatly enhanced through the reinforcing rod piece with the hardness stronger than that of the hollow frame part, the windproof performance of the folding door can be effectively improved, namely, the folding door has better windproof performance, and the use requirement of the folding door in areas with frequent typhoon weather can be met.

Drawings

In order to more clearly illustrate the embodiments of the present application 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, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a folding door according to an embodiment of the present application;

FIG. 2 is a schematic elevational view of the folding door of FIG. 1;

FIG. 3 is a schematic view of a sectional structure of the folding door shown in FIG. 1 in a horizontal direction;

FIG. 4 is an enlarged view of a portion I of the folding door of FIG. 3;

fig. 5 is an enlarged view of a part ii of the folding door shown in fig. 3.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present application will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the technical solutions should be considered that the combination does not exist and is not within the scope of protection claimed by the present application.

In one embodiment, as shown in fig. 1 to 5, an embodiment of the present application provides a folding door 100, where the folding door 100 may specifically include a door frame 110 and at least two door leaves 120, where the at least two door leaves 120 are hinged on one side edge of the door frame 110 after being sequentially hinged, so that the at least two door leaves 120 may be freely switched between a folded state shown by a dotted line and an unfolded state shown by a solid line in fig. 3. Each door leaf 120 includes a plurality of hollow frame portions, at least one hollow frame portion has a reinforcing rod 130 disposed therein, and an extending direction of the reinforcing rod 130 is the same as an extending direction of the corresponding hollow frame portion, and a hardness of the reinforcing rod 130 is greater than that of the hollow frame portion.

It should be appreciated that the folding door 100 of the present embodiment is primarily used in homes, hotels, workshops, malls, office buildings, showrooms, etc. The above-mentioned at least two door leaves 120 are hinged in sequence and then are hinged on one side of the door frame 110, specifically means that, in the at least two door leaves 120, every two adjacent door leaves 120 are hinged so as to form a whole door body to cover the door opening formed by the door frame 110 when fully unfolded, and meanwhile, one side of the whole door body is hinged with one side of the door frame 110 so that the whole door body is fully folded and folded on the side of the door frame 110 when the whole door body is folded. In addition, the other side of the whole door body should be movably locked with the other side of the door frame 110, that is, the folding door 100 can be locked by the locking structure 140 when the whole door body is fully unfolded.

In addition, in order to better enable the free switching of at least two door leaves 120 between the folded state and the unfolded state, the above mentioned hinged connection may be specifically a hinge connection or a rotation axis connection, i.e. the hinged connection between two adjacent door leaves 120 may be performed by the hinge structure 150, and the hinged connection between one door leaf 120 and one side edge of the adjacent door frame 110 may be performed by the hinge structure 150.

In this way, in the folding door 100 provided by the embodiment of the application, the folding and unfolding functions are realized between at least two door leaves 120, and meanwhile, the corresponding reinforcing rod piece 130 is additionally arranged in at least one hollow frame part of each door leaf 120, so that the hardness of the original hollow frame part is greatly enhanced through the reinforcing rod piece 130 with the hardness stronger than that of the hollow frame part, and further, the windproof performance of the folding door 100 can be effectively improved, namely, the folding door 100 has better windproof performance, and the use requirement of the folding door in areas with frequent typhoon weather can be met.

In some examples, as shown in fig. 2, 4 and 5, the reinforcement bar 130 is fastened to the corresponding hollow frame portion by at least one screw structure 131. In this way, the reinforcement bar 130 and the corresponding hollow frame portion are connected into a whole, so that after the folding door 100 is blown by strong wind, the reinforcement bar 130 and the corresponding hollow frame portion can be simultaneously stressed, and the wind pressure resistance of the folding door 100 can be further effectively enhanced. It will be appreciated that, to better achieve the above fastening connection, corresponding threaded holes may be respectively formed on the reinforcement bar 130 and the corresponding hollow frame portion, so that when the reinforcement bar 130 is disposed in the corresponding hollow frame portion and the threaded holes of the reinforcement bar and the hollow frame portion are aligned, the fastening connection of the reinforcement bar and the hollow frame portion is achieved through the screw structure 131.

In some examples, as shown in fig. 2, 4 and 5, the hollow frame portion is of an aluminum profile structure, and the reinforcement bar 130 is of a steel structure, so that the rigidity of the hollow frame portion of the aluminum profile structure can be effectively increased through the reinforcement bar 130 of the steel structure, so that the folding door 100 has better windproof performance, and can meet the use requirements of the folding door in areas with frequent typhoon weather. It is understood that in order to ensure the strength of the reinforcement bar 130 while minimizing the weight of the reinforcement bar 130, the reinforcement bar 130 may specifically be a hollow tube structure including, but not limited to, square tubes or cylindrical tubes.

In some examples, as shown in fig. 2, 4 and 5, the plurality of hollow frame portions may specifically include two vertical frame portions 121 and two horizontal frame portions 122, where a horizontal frame portion 122 is connected between top sides of the two vertical frame portions 121, and another horizontal frame portion 122 is connected between bottom sides of the two vertical frame portions 121, so that the plurality of hollow frame portions enclose to form a rectangular frame body. Within each vertical rim portion 121 is placed a reinforcement bar 130. In this way, the strength of each door leaf 120 can be maximally enhanced by placing the reinforcing rod 130 in each vertical frame 121 of each door leaf 120, so that the folding door 100 has better windproof performance, so as to meet the use requirement of the folding door in areas with frequent typhoon weather.

In some examples, as shown in fig. 2, 4 and 5, each door leaf 120 further includes a rectangular door panel 123, and edges around the rectangular door panel 123 are fastened to the inner side of the rectangular frame body respectively. That is, the vertical edges of the rectangular door panels 123 may be clamped and fixed in the adjacent vertical frame portions 121, and the horizontal edges of the rectangular door panels 123 may be clamped and fixed in the adjacent horizontal frame portions 122, so as to ensure a stable connection of the rectangular door panels 123 on the rectangular frame body. Further, the rectangular door panel 123 is hollow laminated glass. Compared with the traditional folding door which adopts single glass as the door plate of the door leaf, the firmness degree is general. In this design, adopt cavity doubling glass, wherein doubling glass has the doubling layer that plays safe, explosion-proof effect for cavity doubling glass even broken, its piece also can not scatter and hurt the people, simultaneously, cavity doubling glass still has the cavity layer that plays heat-resisting cold-resistant, heat preservation sound insulation's effect, makes indoor have quiet and comfortable environment.

In some examples, as shown in fig. 2, 4 and 5, in order to ensure the stability of the overall structure of the rectangular frame body, each vertical frame portion 121 and each horizontal frame portion 122 are fastened and connected by an angular connection member 124. It can be appreciated that the corner connector 124 may specifically be an L-shaped structure, which has a vertical connecting portion that may extend to the inner side of the vertical frame portion 121 and a horizontal connecting portion that may extend to the inner side of the horizontal frame portion 122, so as to fasten the inner wall of the corresponding vertical frame portion 121 and the inner side of the corresponding horizontal frame portion 122 through the vertical connecting portion, so as to ensure the connection stability between each vertical frame portion 121 and each horizontal frame portion 122, and further ensure the stability of the overall structure of the rectangular frame body.

Because the reinforcing rod 130 is added, the dead weight of each door leaf 120 is increased, so that people with ordinary strength, such as old people and children, can push and pull the door with great strength. Thus, in some examples, as shown in fig. 2, 4 and 5, the door frame 110 is provided with a first sliding rail groove 111, and the first sliding rail groove 111 is located above the door frame 110 and extends from one side edge of the door frame 110 to the other side edge of the door frame 110. The top side of at least one door leaf 120 is provided with a first pulley 112, and the first pulley 112 is slidably connected to the first rail groove 111. In this way, the first pulley 131 and the first sliding rail groove 111 are designed to enable the sliding opening and closing of the folding door 100 to be more portable and free. Further, the door frame 110 is further provided with a second sliding rail groove 113, and the second sliding rail groove 113 is located below the door frame 110 and extends from one side edge of the door frame 110 to the other side edge of the door frame 110. The bottom side of at least one door leaf 110 is provided with a second pulley 114, and the second pulley 114 is slidably connected to the second rail groove 113. In this way, the sliding arrangement of the first pulley 112 and the second pulley 114 can further facilitate the sliding opening and closing of the folding door 100. It is understood that the positions of the first pulley 112 and the first sliding rail groove 111 can be correspondingly exchanged with the positions of the second pulley 114 and the second sliding rail groove 113.

In some examples, as shown in fig. 2, 4 and 5, a composite sealing strip 160 is provided at the junction between each door leaf 120 and another adjacent door leaf 120 and/or at the junction between the sides of the door frame 110. In this way, the waterproof performance of the folding door 100 can be effectively improved by the arrangement of the sealing rubber strips 160 made of composite materials. And compared with the traditional folding door, the sealing rubber strip made of single material of ethylene propylene diene monomer or PVC is easy to age and lose efficacy. In the design, the joint is made of the composite material sealing rubber strip 160 of the ethylene-propylene-diene monomer and other materials, so that the folding door 100 has good elasticity, environmental resistance, compression resistance and deformation resistance, ensures tight connection among the joints, prevents moisture penetration, and further effectively improves the waterproof performance of the folding door 100.

In addition, in some examples, as shown in fig. 2, to further lock the folding door 100 when the whole door body is fully unfolded, at least one locking structure 140 may be added at the connection between the two door leaves 120 to ensure that the folding door 100 is fully locked. To facilitate folding and unfolding of the present folding door 100, a handle 170 is further provided on at least one door leaf 120 to enable rapid folding and unfolding of the present folding door 100 by pulling the handle 170. In addition, when the whole door body is completely unfolded, the application can further ensure the wind pressure resistance of the whole door body by fastening and connecting the eye-splice structure 180 arranged at the upper part or the bottom of any door leaf 120 with the upper part or the lower part of the door frame 110.

In addition, the folding door 100 can be unfolded and folded completely by the folding design formed by the hinged connection, so that the use range of the indoor space is effectively enlarged, the space utilization rate is improved, and the folding door is attractive and elegant.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the scope of the application, and all equivalent structural changes made by the description of the present application and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the application.

Claims (10)

1. The folding door is characterized by comprising a door frame and at least two door leaves, wherein the at least two door leaves are hinged on one side edge of the door frame after being hinged in sequence, so that the at least two door leaves can be freely switched between a folding state and an unfolding state; each door leaf comprises a plurality of hollow frame parts, at least one reinforcing rod piece is placed in each hollow frame part, the extending direction of the reinforcing rod piece is the same as that of the corresponding hollow frame part, and the hardness of the reinforcing rod piece is greater than that of the hollow frame part.

2. The folding door of claim 1, wherein the reinforcement bar is fastened to the corresponding hollow frame portion by at least one screw structure.

3. The folding door of claim 1, wherein the hollow frame portion is of an aluminum profile structure and the reinforcement bar is of a steel structure.

4. The folding door of claim 1, wherein the plurality of hollow frame parts include two vertical frame parts and two horizontal frame parts, one of the horizontal frame parts is connected between top sides of the two vertical frame parts, and the other of the horizontal frame parts is connected between bottom sides of the two vertical frame parts, so that the plurality of hollow frame parts are surrounded to form a rectangular frame body; each vertical frame part is internally provided with the reinforcing rod piece.

5. The folding door of claim 4, wherein each of said door leaves further comprises a rectangular door panel, and wherein peripheral edges of said rectangular door panel are respectively fastened to the inside of said rectangular frame body.

6. The folding door of claim 5, wherein the rectangular door panel is a hollow laminated glass.

7. The folding door of claim 4, wherein each of said vertical frame sections is securely connected to each of said horizontal frame sections by an angle connection.

8. A folding door according to any one of claims 1 to 7, wherein the door frame is provided with a first slide rail slot located above or below the door frame and extending from one side edge of the door frame to the other side edge of the door frame; at least one of the door leaves is provided with a first pulley on the top side or the bottom side, and the first pulley is connected to the first sliding rail groove in a sliding mode.

9. The folding door of claim 8, wherein the door frame is further provided with a second slide rail slot located below or above the door frame and extending from one side edge of the door frame to the other side edge of the door frame; at least one of the door leaves is provided with a second pulley on the top side or the bottom side, and the second pulley is connected to the second sliding rail groove in a sliding manner.

10. A folding door according to any of claims 1-7, wherein a joint between each door leaf and an adjacent other door leaf and/or a joint between the door leaf and a side edge of the door frame is provided with a sealing strip of a composite material.