A steel single leaf swing door

Abstract

The utility model discloses a steel single-leaf swing door, which relates to the technical field of swing doors, including a door frame and a door panel, wherein the door panel is hingedly arranged inside the door frame, a cavity, two first mounting grooves and a plurality of second mounting grooves are provided inside the door panel, the cavity is filled with argon gas, a bidirectional screw is rotatably arranged inside the cavity, the rod wall of the bidirectional screw is symmetrically rotatably provided with two first fixing plates fixed inside the cavity, each of the first mounting groove and the second mounting groove is provided with a through hole between the cavity, and the rod walls at both ends of the bidirectional screw are threadedly sleeved with a first sealing mechanism. The utility model can drive all the first sealing plates and the second sealing plates to move simultaneously by the transmission connection between the driving mechanism and each of the second sealing mechanisms and the bidirectional screw, thereby effectively simplifying the operation process.

Description

Technical Field

[0001] The utility model relates to the technical field of swing doors, in particular to a steel single-leaf swing door. Background Art

[0002] Steel single-leaf swing doors are mainly used in fire escape routes to prevent the spread of fire and smoke. Nowadays, most steel single-leaf swing doors are only sealed between the door body and the door frame by rubber strips. After long-term use, the rubber strips are prone to wear and tear, and the sealing cannot be improved. External airflow can easily enter the room through the gap, causing heat loss, and it is not suitable for use in cold areas.

[0003] After searching, the publication number is: CN219864687U, a highly sealed steel single-leaf swing door, including a door frame, a door body is rotatably installed inside the door frame, a handle is rotatably installed on one side of the door body, a slot is provided on the inner side of the door frame, a groove one is provided at the upper and lower ends of the door body, a groove two is provided at the left and right ends of the door body, and a sealing plate one is movably installed inside the groove one.

[0004] The above technical solution has the following shortcomings:

[0005] In the above technical solution, two operations are required to store all the sealing plates 1 and 2 inside the door body, and the storage effect cannot be achieved in the shortest time. Utility Model Content

[0006] In view of the above problems existing in the existing steel single-leaf swing door, the present utility model is proposed.

[0007] Therefore, the purpose of the utility model is to provide a steel single-leaf swing door, which solves the problem that the existing technical solution requires two operations to store all the sealing plates 1 and 2 into the interior of the door body, and the storage effect cannot be achieved in the shortest time.

[0008] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0009] A steel single-leaf swing door comprises a door frame and a door panel, wherein the door panel is hingedly arranged inside the door frame, a cavity, two first mounting grooves and a plurality of second mounting grooves are provided inside the door panel, the cavity is filled with argon gas, a bidirectional screw is rotatably arranged inside the cavity, the rod wall of the bidirectional screw is symmetrically rotatably provided with two first fixing plates fixed inside the cavity, a through hole is provided between each of the first mounting groove and the second mounting groove and the cavity, a first sealing mechanism is threadedly sleeved on the rod walls at both ends of the bidirectional screw, two groups of first driving mechanisms are symmetrically arranged inside the cavity and are respectively connected to the second sealing mechanism through the corresponding first driving mechanisms, each of the second sealing mechanisms is connected to the bidirectional screw by transmission, a driving mechanism is provided on the surface of the door panel, and the driving mechanism is connected to the bidirectional screw by transmission.

[0010] Preferably, the first sealing mechanism includes a first internally threaded sleeve and a first sealing plate, the first internally threaded sleeve is threadedly sleeved on the end rod wall of the bidirectional screw and movably penetrated into the corresponding through hole, one end of the first internally threaded sleeve located inside the corresponding first mounting groove is fixedly connected to the first sealing plate, and the first sealing plate is slidably disposed inside the corresponding first mounting groove.

[0011] Preferably, the second sealing mechanism includes a screw and a second internally threaded sleeve, the rod wall of the screw is rotatably sleeved with a second fixed plate fixedly arranged inside the cavity, the second internally threaded sleeve is movably penetrated into the corresponding through hole and threadedly sleeved with the rod wall of the screw, one end of the second internally threaded sleeve located inside the corresponding second mounting groove is fixedly connected with a second sealing plate, the second sealing plate is slidably arranged inside the corresponding second mounting groove, one end of the screw is fixedly connected with a first bevel gear, and one side of the first bevel gear is meshingly provided with a second bevel gear fixedly sleeved with the bidirectional screw.

[0012] Preferably, the driving mechanism includes a rotating rod, a third bevel gear and a fourth bevel gear. The rotating rod is rotatably arranged on the surface of the door panel and one end of the rotating rod located inside the cavity is fixedly connected to the third bevel gear. The fourth bevel gear is fixedly sleeved on the rod wall of the bidirectional screw and meshingly connected to the third bevel gear.

[0013] Preferably, a bellows is fixedly connected between each of the first fixing plate and the second fixing plate and the inner wall of the cavity, and each of the bellows is movably sleeved with the corresponding first internally threaded sleeve and the corresponding second internally threaded sleeve respectively.

[0014] Preferably, a disc is fixedly sleeved on the rod wall at one end of the rotating rod located outside the door panel, and two handles are symmetrically fixedly provided on the side wall of the disc.

[0015] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0016] The utility model can drive all the first sealing plates and the second sealing plates to move simultaneously through the arranged driving mechanism and the transmission connection between each of the second sealing mechanisms and the bidirectional screw rod, thereby effectively simplifying the operation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a partial cross-sectional structural schematic diagram of the utility model;

[0020] Figure 3 For the utility model Figure 2 A magnified schematic diagram of part A;

[0021] Figure 4 For the utility model Figure 2 An enlarged schematic diagram of part B.

[0022] Description of reference numerals:

[0023] 1. Door frame; 2. Door panel; 3. Bidirectional screw; 4. First fixed plate; 5. First internally threaded sleeve; 6. First sealing plate; 7. Screw; 8. Second internally threaded sleeve; 9. Second fixed plate; 10. Second sealing plate; 11. First bevel gear; 12. Second bevel gear; 13. Rotating rod; 14. Third bevel gear; 15. Fourth bevel gear; 16. Bellows; 17. Disc; 18. Handle. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0025] The utility model embodiment discloses a steel single-leaf swing door.

[0026] The utility model provides Figure 1-4A steel single-leaf swing door shown in the figure comprises a door frame 1 and a door panel 2, the door panel 2 is hingedly arranged inside the door frame 1, a cavity, two first mounting grooves and a plurality of second mounting grooves are provided inside the door panel 2, the interior of the cavity is filled with argon gas, a bidirectional screw rod 3 is rotatably arranged inside the cavity, the rod wall of the bidirectional screw rod 3 is symmetrically rotatably provided with two first fixing plates 4 fixed inside the cavity, a through hole is provided between each first mounting groove and the second mounting groove and the cavity, the rod walls at both ends of the bidirectional screw rod 3 are threadedly sleeved with a first sealing mechanism, two groups of first driving mechanisms are symmetrically arranged inside the cavity and are respectively connected to the second sealing mechanism through the corresponding first driving mechanisms, each second sealing mechanism is connected to the bidirectional screw rod 3 in transmission, a driving mechanism is provided on the surface of the door panel 2, and the driving mechanism is connected to the bidirectional screw rod 3 in transmission, and the driving mechanism and each second sealing mechanism are connected to the bidirectional screw rod 3 in transmission, and all the first sealing plates 6 and the second sealing plates 10 can be driven to move simultaneously by utilizing the transmission connection between the arranged driving mechanism and each second sealing mechanism and the bidirectional screw rod 3, thereby effectively simplifying the operation process.

[0027] like Figure 2 As shown, the first sealing mechanism includes a first internally threaded sleeve 5 and a first sealing plate 6. The first internally threaded sleeve 5 is threadedly sleeved on the end rod wall of the bidirectional screw rod 3 and movably penetrated into the corresponding through hole. One end of the first internally threaded sleeve 5 located inside the corresponding first mounting groove is fixedly connected to the first sealing plate 6. The first sealing plate 6 is slidably arranged inside the corresponding first mounting groove. The internally threaded sleeve is threadedly sleeved with the bidirectional screw rod 3, so that the corresponding first sealing plate 6 can be driven to move during the rotation of the bidirectional screw rod 3.

[0028] like Figure 2 and Figure 4 As shown, the second sealing mechanism includes a screw 7 and a second internally threaded sleeve 8. The rod wall of the screw 7 is rotatably sleeved with a second fixed plate 9 fixedly arranged inside the cavity. The second internally threaded sleeve 8 is movably penetrated into the corresponding through hole and threadedly sleeved with the rod wall of the screw 7. One end of the second internally threaded sleeve 8 located inside the corresponding second mounting groove is fixedly connected with a second sealing plate 10. The second sealing plate 10 is slidably arranged inside the corresponding second mounting groove. One end of the screw 7 is fixedly connected with a first bevel gear 11. One side of the first bevel gear 11 is meshingly provided with a second bevel gear 12 fixedly sleeved with the bidirectional lead screw 3. By utilizing the meshing connection between the first bevel gear 11 and the second bevel gear 12, the corresponding screw 7 can be driven to rotate during the rotation of the bidirectional lead screw 3, thereby driving the corresponding second sealing plate 10 to move.

[0029] like Figure 2-3As shown, the driving mechanism includes a rotating rod 13, a third bevel gear 14 and a fourth bevel gear 15. The rotating rod 13 is rotatably set on the surface of the door panel 2 and one end located inside the cavity is fixedly connected to the third bevel gear 14. The fourth bevel gear 15 is fixedly sleeved on the rod wall of the bidirectional screw rod 3 and meshingly connected with the third bevel gear 14. By utilizing the meshing connection between the third bevel gear 14 and the fourth bevel gear 15, the rotation of the bidirectional screw rod 3 can be realized in the process of driving the rotating rod 13 to rotate.

[0030] like Figure 4 As shown, a bellows 16 is fixedly connected between each first fixing plate 4 and the second fixing plate 9 and the inner wall of the cavity, and each bellows 16 is movably connected to the corresponding first internal threaded sleeve 5 and the corresponding second internal threaded sleeve 8 respectively. By utilizing the provided bellows 16, the through hole position can be sealed to prevent leakage of argon gas filled in the cavity.

[0031] like Figure 1 As shown, a disc 17 is fixedly sleeved on one end of the rotating rod 13 outside the door panel 2, and two handles 18 are symmetrically fixedly provided on the side wall of the disc 17. The two handles 18 and the disc 17 can be used to facilitate driving the rotating rod 13 to rotate.

[0032] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A steel single-leaf swing door, comprising a door frame (1) and a door panel (2), characterized in that: The door panel (2) is hingedly arranged inside the door frame (1); a cavity, two first mounting grooves and a plurality of second mounting grooves are provided inside the door panel (2); the cavity is filled with argon gas; a bidirectional screw rod (3) is rotatably arranged inside the cavity; the rod wall of the bidirectional screw rod (3) is symmetrically rotatably provided with two first fixing plates (4) fixed inside the cavity; a through hole is provided between each of the first mounting groove and the second mounting groove and the cavity; the rod walls at both ends of the bidirectional screw rod (3) are threadedly sleeved with a first sealing mechanism; two groups of first driving mechanisms are symmetrically arranged inside the cavity and are respectively connected to the second sealing mechanism through the corresponding first driving mechanisms; each of the second sealing mechanisms is connected to the bidirectional screw rod (3); a driving mechanism is provided on the surface of the door panel (2); the driving mechanism is connected to the bidirectional screw rod (3).

2. A steel single-leaf swing door according to claim 1, characterized in that: The first sealing mechanism comprises a first internally threaded sleeve (5) and a first sealing plate (6); the first internally threaded sleeve (5) is threadedly sleeved on the end rod wall of the bidirectional screw rod (3) and movably penetrates into the corresponding through hole; one end of the first internally threaded sleeve (5) located inside the corresponding first mounting groove is fixedly connected to the first sealing plate (6); and the first sealing plate (6) is slidably disposed inside the corresponding first mounting groove.

3. A steel single-leaf swing door according to claim 1, characterized in that: The second sealing mechanism comprises a screw rod (7) and a second internally threaded sleeve (8); the rod wall of the screw rod (7) is rotatably sleeved with a second fixing plate (9) fixedly arranged inside the cavity; the second internally threaded sleeve (8) is movably inserted into the inside of the corresponding through hole and is threadedly sleeved with the rod wall of the screw rod (7); one end of the second internally threaded sleeve (8) located inside the corresponding second mounting groove is fixedly connected with a second sealing plate (10); the second sealing plate (10) is slidably arranged inside the corresponding second mounting groove; one end of the screw rod (7) is fixedly connected with a first bevel gear (11); one side of the first bevel gear (11) is meshed with a second bevel gear (12) fixedly sleeved with the bidirectional screw rod (3).

4. A steel single-leaf swing door according to claim 1, characterized in that: The driving mechanism comprises a rotating rod (13), a third bevel gear (14) and a fourth bevel gear (15); the rotating rod (13) is rotatably arranged on the surface of the door panel (2) and one end of the rotating rod (13) located inside the cavity is fixedly connected to the third bevel gear (14); the fourth bevel gear (15) is fixedly sleeved on the rod wall of the bidirectional screw rod (3) and meshedly connected to the third bevel gear (14).

5. The steel single-leaf swing door according to claim 3, characterized in that: A bellows (16) is fixedly connected between each of the first fixing plate (4) and the second fixing plate (9) and the inner wall of the cavity, and each of the bellows (16) is movably sleeved with a corresponding first internally threaded sleeve (5) and a corresponding second internally threaded sleeve (8).

6. A steel single-leaf swing door according to claim 4, characterized in that: A disc (17) is fixedly sleeved on the rod wall of one end of the rotating rod (13) located outside the door panel (2), and two handles (18) are symmetrically fixedly arranged on the side wall of the disc (17).

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