CN215859753U

CN215859753U - Foldable sliding door

Info

Publication number: CN215859753U
Application number: CN202120342604.XU
Authority: CN
Inventors: 黄科奇
Original assignee: Dajian Industry Ningbo Co ltd
Current assignee: Dajian Amini Body Shanghai Trading Co ltd Ningbo Branch
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2022-02-18
Anticipated expiration: 2031-02-04

Abstract

The utility model discloses a foldable sliding door, which comprises a first door leaf (1), a second door leaf (2) and a third door leaf (3) which are sequentially arranged; the third door leaf (3) is hinged with the door frame; a sliding rail (4) is fixed at the upper end of the third door leaf (3); the sliding rail (4) horizontally extends towards one side of the door frame; the top of the sliding rail (4) is flush with the top of the door leaf III (3); two rails I (401) and II (402) which are arranged side by side are arranged in the sliding rail (4); hanging wheel assemblies (5) are fixed on the tops of the first door leaf (1) and the second door leaf (2); hanging wheels (502) in the hanging wheel assemblies (5) of the door leaf I (1) are embedded into the rail I (401) in a sliding mode; hanging wheels (502) in the hanging wheel assemblies (5) of the second door leaf (2) are embedded into the second track (402) in a sliding mode; a first sliding groove parallel to the plane of the door leaf is formed in the position, adjacent to the first door leaf (1), of the top of the second door leaf (2), and a first hook is mounted on the first door leaf (1) and hung in the first sliding groove. The sliding door is foldable, and is particularly suitable for hospitals and old-age apartments.

Description

Foldable sliding door

Technical Field

The utility model relates to the technical field of doors, and particularly discloses a foldable sliding door.

Background

In a hospital or an old apartment, sometimes, the door is not only a person but also a wheelchair and a sickbed, and at the moment, the width and the opening and closing degree of the door are different, for example, the person passes through the door and only needs a smaller opening and closing degree, the wheelchair passes through the door and needs a larger opening and closing degree, and the sickbed passes through the door and needs a larger opening and closing degree.

The existing solution is that the door and the door frame are made larger, so that the whole door is large, and the requirement that the door is not large enough is met. However, the door is heavy and inconvenient to open and close in a pushing and pulling mode, so that the foldable opening and moving door is designed, and the foldable opening and moving door is particularly suitable for being used in hospitals and old apartments.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving one of the problems associated with prior art doors.

The utility model adopts the following specific technical scheme: a foldable sliding door comprises a first door leaf, a second door leaf and a third door leaf which are sequentially arranged; the third door leaf is hinged with the door frame; a sliding rail is fixed at the upper end of the third door leaf; the sliding rail horizontally extends towards one side of the door frame; the top of the sliding rail is flush with the top of the door leaf III; two parallel rails I and II are arranged in the slide rail; hanging wheel assemblies are fixed at the tops of the first door leaf and the second door leaf; hanging wheels in the hanging wheel assemblies on the first door leaf are embedded into the first track in a sliding mode; hanging wheels in the hanging wheel assemblies on the second door leaf are embedded into the second track in a sliding mode; a first sliding groove parallel to the plane of the door leaf is formed in the position, adjacent to the first door leaf, of the top of the second door leaf, and a first hook is mounted on the first door leaf and hung in the first sliding groove.

Furthermore, a second sliding groove parallel to the plane of the door leaf is formed in the position, adjacent to the third door leaf, of the top of the second door leaf, a second hook is installed at the front end of the third door leaf, and the second hook is hung in the second sliding groove.

Furthermore, the hanging wheel assembly also comprises a fixed strip, the hanging wheels are arranged on two sides of the fixed strip, and the hanging wheel assembly is fixed on the tops of the first door leaf and the second door leaf through the fixed strip; two groups of hanging wheel assemblies are respectively arranged at the top of the first door leaf and the second door leaf.

Furthermore, a stop block is fixed at the end part of the fixing strip close to the front end in the hanging wheel assembly, and the front end of the stop block is obliquely arranged towards one side of the door closing.

Furthermore, a groove is formed in the top of the door leaf, a lock tongue is fixed in the groove through a spring, and the top of the lock tongue is arranged to incline towards one side of the door closed.

Furthermore, door handles are arranged on the front and the back of the door leaf.

Furthermore, two door handles are arranged on one side, facing the door frame, of the door leaf, wherein the position, close to one edge of the door leaf, of the first handle is higher than the position, far away from the other edge of the door leaf, of the second handle, and the position, back to the door frame, of the first door leaf is provided with a third handle.

Furthermore, a perspective window and a ventilation window are arranged on the first door leaf.

The utility model has the beneficial effects that: the application designs a folding door that moves that opens, should open and move the door and constitute by three small doors, and three small doors can be folded or open under the cooperation of slide rail and hanging wheel subassembly, and the push-and-pull is opened and shut conveniently, uses in especially being fit for hospital and the old apartment.

Drawings

FIG. 1 is a front view of the present embodiment with the sliding door fully open;

FIG. 2 is a front view of the fully folded sliding door of the present embodiment;

FIG. 3 is a side view of the fully collapsed sliding door of the present embodiment;

fig. 4 is a top view of the opening door of the present embodiment fully opened.

In the figure, 1, a first door leaf; 2. a second door leaf; 3. a third door leaf; 4. a slide rail; 401. a first track; 402. a second track; 5. a hanging wheel assembly; 501. a fixing strip; 502. a hoisting wheel; 6. a stopper; 7. a latch bolt; 8. a groove; 9. a first handle; 10. a second handle; 11. a see-through window; 12. a ventilation window; 13. a third handle; 14. a second hook; 15. a second chute; 16. a first hook is arranged; 17. the first sliding groove.

Detailed Description

Examples

As shown in fig. 1 and 4, the present invention discloses a foldable sliding door, which comprises a first door leaf 1, a second door leaf 2 and a third door leaf 3 arranged in sequence from left to right, i.e. from a free end hinged with a door frame to a fixed end hinged with the door frame. The upper end of the third door leaf 3 horizontally extends to one side to be fixed with a sliding rail 4, the top of the sliding rail 4 is flush with the top of the third door leaf 3, and a first rail 401 and a second rail 402 which are parallel to the plane of the third door leaf 3 are arranged in the sliding rail 4. The hanging wheel assembly 5 is fixed on the top of the second door leaf 2, and the hanging wheel 502 is slidably inserted into the second track 402 so that the second door leaf 2 can be drawn out or retracted in the second track 402 relative to the third door leaf 3. The second door leaf 2 is hung on the second rail 402 but does not leave the second rail 402. The hanging wheel assembly 5 is fixed on the top of the first door leaf 1, and the hanging wheels 502 are slidably embedded in the first track 401 so that the first door leaf 1 can be drawn out or retracted in the first track 401 relative to the third door leaf 3. The first door leaf 1 can be separated from the first track 401. Meanwhile, the top of the second door leaf 2 is provided with a first sliding groove 17 which is parallel to the plane of the first door leaf and is adjacent to the first door leaf 1, a first hook 16 is installed on the first door leaf 1, and the first hook 16 is hooked in the first sliding groove 17 on the second door leaf 2, so that the first door leaf 1 can slide relative to the second door leaf 2, the first door leaf 1 can continue to move after being pulled out of the first rail 401, and the maximum opening and closing of the movable door are realized.

Fig. 2 and 3 are a front view and a side view of the opening and moving door with the first door leaf 1, the second door leaf 2 and the third door leaf 3 folded together, respectively, and the using state of the opening and moving door of the present application can be correspondingly seen from the drawings. Preferably, the hook one 16 is provided at an end of the door leaf 1 adjacent to a side of the door frame so that the door leaf 1 can be moved to the maximum.

Referring to fig. 4, in order to achieve a better opening and moving effect, the length of the sliding rail 4 is equal to the width of the third door leaf 3, one end of the sliding rail 4 is flush with one end of the third door leaf 3, where the hinge is installed, and the other end of the sliding rail 4 is slightly shorter than the width of the third door leaf 3, so that the sliding distance of the second door leaf 2 and the first door leaf 1 on the sliding rail 4 is long, and the opening and moving stability is better. The place slightly shorter than the third door leaf 3 is to leave a hollow place for the third door leaf 3 for installing a second hook 14, a sliding groove second 15 parallel to the plane of the door leaf is arranged at the position, adjacent to the third door leaf 3, of the top of the corresponding second door leaf 2, and the second hook 14 is hooked in the sliding groove second 15 on the upper surface of the second door leaf 2. The two ends of the first sliding groove 17 and the second sliding groove 15 are of a closed structure, and the hook is prevented from being separated from the sliding groove, so that the first door leaf 1 is prevented from being separated from the second door leaf 2, and the second door leaf 2 is prevented from being separated from the third door leaf 3.

Referring to fig. 4, the hanging wheel assembly 5 includes a fixing bar 501 and a hanging wheel 502; hanging wheels 502 are installed on two sides of the fixing strip 501, and the hanging wheel assembly 5 is fixed on the tops of the first door leaf 1 and the second door leaf 2 through the fixing strip 501. The top of the first door leaf 1 is provided with two fixing strips 501, and a plurality of hanging wheels are installed on two sides of each fixing strip 501. Two fixing strips 501 are arranged at the top of the second door leaf 2, and a plurality of hanging wheels are arranged on two sides of each fixing strip 501. By adopting the mode that the first door leaf 1 and the second door leaf 2 are respectively provided with two groups of hanging wheel assemblies, the sliding of the first door leaf 1 and the second door leaf 2 in the sliding rail 4 is stable. The end of the fixing strip 501 of one of the two sets of hanging wheel assemblies 5 close to the front end of the door leaf is fixed with a stop 6, and the stop 6 is arranged towards the side of the door closed in an inclined way. Slide rail 4 is installed to the adaptation on the door frame that the door that moves in this application is suitable for, supplies the door leaf to close in with door leaf 1, two 2 sliding in slide rail 4 of door leaf. The stop 6 is arranged to facilitate the insertion of the hanging wheel assembly 5 into the sliding rail 4 on the door frame.

Referring to fig. 4, in some examples, a groove 8 is formed in the top of the first door leaf 1, the latch 7 is fixed in the groove 8 through a spring, the top of the latch 7 is inclined towards the closed side of the door leaf, and a groove for accommodating the latch 7 is also formed in the corresponding top of the door frame. The bolt 7 is used for fixing the first door leaf 1 on the door frame when the door is closed, and further locking and fixing are achieved.

Referring to fig. 1 and 2, two door handles are arranged on the side of the first door leaf 1 facing the door frame, wherein the first handle 9 close to the edge of the door is arranged at a high position, and the second handle 10 is arranged at a low position, so that a person sitting in the wheelchair can conveniently hold the second handle 10 which is a little lower to open the door. Meanwhile, the first door leaf 1 is provided with a third handle 13 on the side back to the door frame, so that a user on the back can hold the door conveniently. Meanwhile, a perspective window 11 is arranged on the first door leaf 1 for observation; a ventilation window 12 is also arranged on the first door leaf 1 for ventilation.

When the folding door is used, the door handle can be held by hand to pull the first door leaf 1, so that the second door leaf 2 is dragged to fold and unfold the whole folding door. People can fold and unfold the first door leaf 1 and the second door leaf 2 by holding any one of the first handle 9, the second handle 10 and the third handle 13. When the opening and moving door is used, the door frame is provided with another sliding rail corresponding to the sliding rail on the door leaf III 3, so that after the door is closed, the door leaf I1 and the door leaf II 2 can slide into the other sliding rail to realize better closing and fixing, and the stop block at the front end of the fixing strip is arranged to better slide into the other sliding rail.

In a specific use scenario, there are the following cases: 1) the first door leaf 1, the second door leaf 2 and the third door leaf 3 are completely folded together, so that when the door is closed, people can pass through the empty part between the first door leaf 1 and the door frame without opening the door; 2) the first door leaf 1 and the second door leaf 2 are folded but not folded with the third door leaf 3, so that when the door is closed, the door can still pass through the empty part between the first door leaf 1 and the door frame without opening the door; 3) the first door leaf 1, the second door leaf 2 and the third door leaf 3 are completely opened and moved, and people can pass through the door by pushing the door by hand; 4) the ordinary people can open the door by pushing the door with the handle, and the people sitting in the wheelchair can open the door by pushing the door with the handle.

Claims

1. A foldable sliding door is characterized by comprising a first door leaf (1), a second door leaf (2) and a third door leaf (3) which are sequentially arranged; the third door leaf (3) is hinged with the door frame; a sliding rail (4) is fixed at the upper end of the third door leaf (3); the sliding rail (4) horizontally extends towards one side of the door frame; the top of the sliding rail (4) is flush with the top of the door leaf III (3); two rails I (401) and II (402) which are arranged side by side are arranged in the sliding rail (4); hanging wheel assemblies (5) are fixed on the tops of the first door leaf (1) and the second door leaf (2); hanging wheels (502) in the hanging wheel assemblies (5) on the first door leaf (1) are embedded into the first track (401) in a sliding mode; hanging wheels (502) in the hanging wheel assemblies (5) on the second door leaf (2) are embedded into the second track (402) in a sliding mode; a first sliding groove parallel to the plane of the door leaf is formed in the position, adjacent to the first door leaf (1), of the top of the second door leaf (2), and a first hook is mounted on the first door leaf (1) and hung in the first sliding groove.

2. The foldable sliding door according to claim 1, wherein a second sliding groove parallel to the plane of the door leaf is arranged at the position where the top of the second door leaf (2) is adjacent to the third door leaf (3), a second hook is arranged at the front end of the third door leaf (3), and the second hook is hung in the second sliding groove.

3. The foldable sliding door according to claim 1, wherein the hanging wheel assembly (5) further comprises a fixing strip (501), the hanging wheels (502) are installed on two sides of the fixing strip (501), and the hanging wheel assembly (5) is fixed on the tops of the first door leaf (1) and the second door leaf (2) through the fixing strip (501); two groups of hanging wheel assemblies (5) are respectively arranged at the tops of the first door leaf (1) and the second door leaf (2).

4. A collapsible opening door according to claim 3, characterised in that the end of the fixing strip (501) near the front end of the trolley assembly (5) holds a stop (6), the front end of the stop (6) being arranged obliquely towards the side of the door closed.

5. The foldable sliding door according to claim 1, wherein a groove (8) is formed in the top of the first door leaf (1), a locking tongue (7) is fixed in the groove (8) through a spring, and the top of the locking tongue (7) is arranged to incline towards the side where the door is closed.

6. The foldable sliding door according to claim 1, wherein the first door leaf (1) is provided with a door handle at both front and rear.

7. A foldable sliding door according to claim 6, characterized in that the side of the first door leaf (1) facing the door frame is provided with two door handles, wherein the first handle (9) near the edge of the first door leaf (1) is arranged at a higher position than the second handle (10) far from the edge of the first door leaf (1), and the third handle (13) is arranged on the side of the first door leaf (1) facing away from the door frame.

8. A foldable sliding door according to claim 1, characterized in that the first door leaf (1) is provided with a see-through window (11) and a ventilation window (12).