Off-axis entrance door with good safety
By designing the sealing component and escape component of the off-axis entrance door and using the bevel gear transmission system to automatically open the escape hatch, the problem of people being trapped due to a damaged door lock is solved, and the safety and sealing of the entrance door are improved.
Patent Information
- Application Number
- CN202422779645.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-14
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-11-14
AI Technical Summary
In an emergency, if the door lock of the existing entrance door is damaged, people may be trapped in the house, which is not safe enough.
An off-axis entrance door was designed, which included a sealing component and an escape component. A bevel gear transmission system was used to automatically open the escape hatch, and magnetic strips and rubber strips were used to improve the sealing and automatic closing effects.
In an emergency, the escape hatch can be automatically opened to prevent people from being trapped, thereby improving the safety and sealing of the entrance door, preventing swinging, and enhancing family security.
Smart Images

Figure CN223410705U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an entrance door, in particular to an off-axis entrance door with good safety. Background Art
[0002] The entrance door is an important household item. It is the first line of defense for home safety. Preventing people from entering the room is an important guarantee for the safety of residents.
[0003] At present, when the existing entrance door is actually used, if an emergency occurs, due to the damage of the door lock, people may be trapped in the house, thereby affecting the safety of the people.
[0004] Currently, no effective solutions have been proposed for the problems in related technologies. Utility Model Content
[0005] In view of the problems in the related art, the present invention proposes an off-axis entrance door with good safety to overcome the above technical problems existing in the existing related art.
[0006] To this end, the specific technical solutions adopted in this utility model are as follows:
[0007] The cam is hingedly connected to the door body, and a sealing assembly is provided between the door body and the door frame; the door body is provided with an escape assembly; the escape assembly includes a partition plate fixedly connected to the interior of the door body, the partition plate divides the interior of the door body into a driving chamber and a working chamber, the driving chamber is rotatably connected to a driving shaft, the driving shaft is fixedly connected to a first bevel gear, and a third bevel gear is fixedly mounted on both ends of the driving shaft away from the first bevel gear; threaded rods are symmetrically provided in the working chamber, the threaded rods are rotatably connected to the working chamber, a baffle is slidably connected between the threaded rods, the baffle is threadedly connected to the threaded rod, and an escape opening is opened on the inner and outer sides of the door body, and the escape opening is communicated with the working chamber.
[0008] Furthermore, in order to increase the sealing between the door frame and the entrance door body, the sealing assembly includes a first side groove opened on both ends of the inner surface of the door frame, a first magnetic strip is fixedly connected to the bottom end of the first side groove, a first stop strip is symmetrically welded on the inner surface of the first side groove, a first rubber strip is fixedly connected to the end of the inner surface of the first side groove close to the first stop strip, a second side groove is opened on both ends of the outer surface of the entrance door body, a second magnetic strip is fixedly connected to the bottom of the second side groove, a second stop strip is symmetrically welded on the inner surface of the second side groove, and a second rubber strip is fixedly connected to the end of the inner surface of the second side groove close to the second stop strip.
[0009] Furthermore, in order to facilitate the rotation of the entrance door body in the door frame, a first mounting groove is opened on the top and bottom ends of the inner surface of the door frame, and a first mounting seat is fixedly installed in the first mounting groove. A second mounting groove is opened on the top and bottom ends of the outer surface of the entrance door body, and a second mounting seat is fixedly connected in the second mounting groove. The second mounting seat is rotatably connected to the first mounting seat through a rotating shaft.
[0010] Furthermore, in order to facilitate the rotation of the threaded rod, one end of the threaded rod passes through the partition plate and extends to the driving cavity, and is fixedly connected to the fourth bevel gear, and the fourth bevel gear is meshed with the third bevel gear.
[0011] Furthermore, in order to facilitate the rotation of the driving shaft, a rotating shaft is rotatably connected to the side wall of the driving cavity, and one end of the rotating shaft is fixedly connected to a second bevel gear, and the second bevel gear is meshed with the first bevel gear.
[0012] Furthermore, in order to facilitate the rotation of the rotating shaft, the other end of the rotating shaft extends outside the entrance door body and is fixedly connected to the turntable.
[0013] Furthermore, in order to facilitate observation of the situation outside the door, a cat's eye is provided on the top of the entrance door body away from the turntable, and the cat's eye is fixedly installed on the inner and outer sides of the entrance door body.
[0014] Furthermore, in order to facilitate the opening and closing of the entrance door body, handles are fixedly installed on the inner and outer sides of the entrance door body.
[0015] The beneficial effects of the utility model are:
[0016] 1. By rotating the turntable, the rotating shaft rotates in the driving chamber, and the second bevel gear rotates accordingly. The second bevel gear is engaged with the first bevel gear, so that the driving shaft rotates in the driving chamber, and the third bevel gear rotates synchronously. The third bevel gear is engaged with the fourth bevel gear, so that the threaded rod rotates in the working chamber. The rotation of the threaded rod can open the baffle on the entrance door body, avoiding people being trapped in the house due to damage to the door lock in an emergency, thereby further improving the safety of the entrance door.
[0017] 2. By providing the first rubber strip and the second rubber strip, the gap between the door frame and the entrance door body can be reduced, thereby further improving the sealing performance of the entrance door. By providing the first magnetic strip and the second magnetic strip, when the door frame and the entrance door body are opened and closed too small, the first magnetic strip and the second magnetic strip attract each other, thereby enabling the entrance door to automatically close. At the same time, the entrance door will not swing constantly. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0019] Figure 1 This is a structural diagram of an off-axis entrance door with good safety according to an embodiment of the utility model;
[0020] Figure 2 This is a partial cross-sectional view of an off-axis entrance door with good safety according to an embodiment of the utility model;
[0021] Figure 3 yes Figure 2 Enlarged view of point A in the middle;
[0022] Figure 4 This is a schematic diagram of the unfolded structure of an off-axis entrance door with good safety according to an embodiment of the utility model;
[0023] Figure 5 This is a top sectional view of an off-axis entrance door with good safety according to an embodiment of the present utility model;
[0024] Figure 6 yes Figure 5 Enlarged view of point B in the middle;
[0025] Figure 7 yes Figure 5 Enlarged view of point C in the middle;
[0026] Figure 8 This is a top cross-sectional view of an entrance door body in an off-axis entrance door with good safety according to an embodiment of the present utility model;
[0027] Figure 9 yes Figure 8 Enlarged view of point D in the middle;
[0028] Figure 10 yes Figure 8 Enlarged view of point E in the middle.
[0029] In the picture:
[0030] 1. Door frame; 2. First mounting groove; 3. First mounting seat; 4. First side groove; 5. First magnetic strip; 6. First gear strip; 7. First rubber strip; 8. Entrance door body; 9. Second mounting groove; 10. Second mounting seat; 11. Rotating shaft; 12. Second side groove; 13. Second magnetic strip; 14. Second gear strip; 15. Second rubber strip; 16. Partition plate; 17. Drive chamber; 18. Drive shaft; 19. First bevel gear; 20. Rotating shaft; 21. Second bevel gear; 22. Turntable; 23. Third bevel gear; 24. Working chamber; 25. Threaded rod; 26. Fourth bevel gear; 27. Baffle; 28. Escape hatch; 29. Handle; 30. Cat's eye. DETAILED DESCRIPTION
[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0032] According to an embodiment of the present utility model, an off-axis entrance door with good safety is provided.
[0033] Embodiment 1;
[0034] like Figure 1-Figure 7As shown, according to the embodiment of the utility model, the off-axis entrance door with good safety includes a door frame 1 and an entrance door body 8, a first mounting groove 2 is opened on the top and bottom ends of the inner surface of the door frame 1, a first mounting seat 3 is fixedly installed in the first mounting groove 2, a second mounting groove 9 is opened on the top and bottom ends of the outer surface of the entrance door body 8, a second mounting groove 9 is fixedly connected to the second mounting seat 10, the second mounting seat 10 is rotatably connected to the first mounting seat 3 through a rotating shaft 11, and the door frame 1 is hinged to the entrance door body 8, a sealing component is provided between the entrance door body 8 and the door frame 1, the sealing component includes a first side groove 4 opened on both ends of the inner surface of the door frame 1, a first magnetic strip 5 is fixedly connected to the bottom end of the first side groove 4, a first stop strip 6 is symmetrically welded on the inner surface of the first side groove 4, the arrangement of the first stop strip 6 makes the first magnetic strip 5 fixed in the first side groove 4, and the inner surface of the first side groove 4 is close to the second stop strip 6. One end of a stop strip 6 is fixedly connected to a first rubber strip 7, and second side grooves 12 are provided at both ends of the outer surface of the entrance door body 8. A second magnetic strip 13 is fixedly connected to the bottom of the second side groove 12, and a second stop strip 14 is symmetrically welded on the inner surface of the second side groove 12. The setting of the second stop strip 14 fixes the second magnetic strip 13 in the second side groove 12, and a second rubber strip 15 is fixedly connected to the end of the inner surface of the second side groove 12 close to the second stop strip 14. By arranging the first rubber strip 7 and the second rubber strip 15, the gap between the door frame 1 and the entrance door body 8 can be reduced, and the sealing of the entrance door can be further improved. By arranging the first magnetic strip 5 and the second magnetic strip 13, when the door frame 1 and the entrance door body 8 are opened and closed for too long, the first magnetic strip 5 and the second magnetic strip 13 attract each other, which can enable the entrance door to achieve the effect of automatic closing. At the same time, the entrance door will not swing constantly.
[0035] Embodiment 2;
[0036] See also Figure 1 、 Figure 4 and Figures 8-10The entrance door body 8 is provided with an escape assembly, which includes a partition plate 16 fixedly connected to the interior of the entrance door body 8. The partition plate 16 divides the interior of the entrance door body 8 into a driving chamber 17 and a working chamber 24. A driving shaft 18 is rotatably connected to the interior of the driving chamber 17. A first bevel gear 19 is fixedly connected to the driving shaft 18. A rotating shaft 20 is rotatably connected to the side wall of the driving chamber 17. One end of the rotating shaft 20 is fixedly connected to a second bevel gear 21. The second bevel gear 21 is rotated with the first bevel gear 19. Engagement, in order to facilitate the rotation of the rotating shaft 20, the other end of the rotating shaft 20 extends to the outside of the door body 8 and is fixedly connected to the turntable 22. In order to facilitate observation of the situation outside the door, a cat's eye 30 is provided on the top of the door body 8 away from the turntable 22. The cat's eye 30 is fixedly installed on the inner and outer sides of the door body 8. The inner and outer sides of the door body 8 are fixedly installed with handles 29. The third bevel gear 23 is fixedly installed on both ends of the driving shaft 18 away from the first bevel gear 19. The working chamber 24 is symmetrically provided with threaded rods 2 5. The threaded rod 25 is rotatably connected to the working chamber 24. One end of the threaded rod 25 passes through the partition plate 16 and extends to the drive chamber 17, and is fixedly connected to the fourth bevel gear 26. The fourth bevel gear 26 is meshed with the third bevel gear 23. A baffle 27 is slidably connected between the threaded rod 25, and the baffle 27 is threadedly connected to the threaded rod 25. An escape hatch 28 is provided on the inner and outer sides of the entrance door body 8. The escape hatch 28 is communicated with the working chamber 24. By rotating the turntable 22, the rotating shaft 20 rotates in the drive chamber 17. The second bevel gear 21 is rotated accordingly, and the second bevel gear 21 is meshed with the first bevel gear 19, so that the drive shaft 18 rotates in the drive chamber 17, and the third bevel gear 23 is rotated synchronously. The third bevel gear 23 is meshed with the fourth bevel gear 26, so that the threaded rod 25 rotates in the working chamber 24. The rotation of the threaded rod 25 can open the baffle 27 on the entrance door body 8, avoiding people being trapped in the house due to damage to the door lock in an emergency, thereby further improving the safety of the entrance door.
[0037] In order to facilitate understanding of the above technical solutions of the present invention, the working principle or operation method of the present invention in actual process is described in detail below.
[0038] In actual application, the door frame 1 is fixedly installed in the opened door opening, and the entrance door body 8 is hingedly connected to the door frame 1 through the first mounting seat 3 and the second mounting seat 10. The setting of the first rubber strip 7 and the second rubber strip 15 can reduce the gap between the door frame 1 and the entrance door body 8, further improving the sealing of the entrance door. The setting of the first magnetic strip 5 and the second magnetic strip 13 makes the door frame 1 and the entrance door body 8 open and close for too long, and the first magnetic strip 5 and the second magnetic strip 13 attract each other, which can make the entrance door automatically close. At the same time, the entrance door will not swing constantly. If an escape hatch is needed, When escaping, the turntable 28 is rotated to rotate the rotating shaft 20 in the driving chamber 17, and the second bevel gear 21 is rotated accordingly. The second bevel gear 21 is meshed with the first bevel gear 19 to rotate the driving shaft 18 in the driving chamber 17, and the third bevel gear 23 is rotated synchronously. The third bevel gear 23 is meshed with the fourth bevel gear 26 to rotate the threaded rod 25 in the working chamber 24. The rotation of the threaded rod 25 can open the baffle 27 on the entrance door body 8, avoiding people being trapped in the house due to damage to the door lock in an emergency, thereby further improving the safety of the entrance door.
[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A safe off-axis entrance door, comprising a door frame (1) and an entrance door body (8), characterized in that: The door frame (1) is hingedly connected to the entrance door body (8), a sealing component is provided between the entrance door body (8) and the door frame (1), an escape component is provided on the entrance door body (8), and the escape component comprises a partition plate (16) fixedly connected to the interior of the entrance door body (8), the partition plate (16) divides the interior of the entrance door body (8) into a drive chamber (17) and a working chamber (24), a drive shaft (18) is rotatably connected to the interior of the drive chamber (17), and a first cone is fixedly connected to the drive shaft (18). Gear (19), third bevel gears (23) are fixedly installed on both ends of the driving shaft (18) away from the first bevel gear (19), threaded rods (25) are symmetrically arranged in the working chamber (24), the threaded rods (25) are rotatably connected to the working chamber (24), baffles (27) are slidably connected between the threaded rods (25), the baffles (27) are threadedly connected to the threaded rods (25), and an escape hatch (28) is opened on the inner and outer sides of the entrance door body (8), and the escape hatch (28) is communicated with the working chamber (24).
2. The off-axis entrance door with good safety according to claim 1, characterized in that: The sealing assembly comprises a first side groove (4) provided on both ends of the inner surface of the door frame (1), a first magnetic strip (5) being fixedly connected to the bottom end of the first side groove (4), a first stop strip (6) being symmetrically welded to the inner surface of the first side groove (4), a first rubber strip (7) being fixedly connected to one end of the inner surface of the first side groove (4) close to the first stop strip (6), a second side groove (12) being provided on both ends of the outer surface of the entrance door body (8), a second magnetic strip (13) being fixedly connected to the bottom end of the second side groove (12), a second stop strip (14) being symmetrically welded to the inner surface of the second side groove (12), and a second rubber strip (15) being fixedly connected to one end of the inner surface of the second side groove (12) close to the second stop strip (14).
3. The off-axis entrance door with good safety according to claim 2, characterized in that: A first mounting groove (2) is provided on the top and bottom ends of the inner surface of the door frame (1), a first mounting seat (3) is fixedly installed in the first mounting groove (2), a second mounting groove (9) is provided on the top and bottom ends of the outer surface of the entrance door body (8), a second mounting seat (10) is fixedly connected in the second mounting groove (9), and the second mounting seat (10) is rotatably connected to the first mounting seat (3) via a rotating shaft (11).
4. The off-axis entrance door with good safety according to claim 1, characterized in that: One end of the threaded rod (25) passes through the partition plate (16) and extends to the drive chamber (17), and is fixedly connected to the fourth bevel gear (26), and the fourth bevel gear (26) is meshed with the third bevel gear (23).
5. The off-axis entrance door with good safety according to claim 4, characterized in that: A rotating shaft (20) is rotatably connected to the side wall of the driving cavity (17), one end of the rotating shaft (20) is fixedly connected to a second bevel gear (21), and the second bevel gear (21) is meshed with the first bevel gear (19).
6. The off-axis entrance door with good safety according to claim 5, characterized in that: The other end of the rotating shaft (20) extends outside the entrance door body (8) and is fixedly connected to the turntable (22).
7. The off-axis entrance door with good safety according to claim 6, characterized in that: A cat's eye (30) is provided on the top of the entrance door body (8) away from the turntable (22), and the cat's eye (30) is fixedly mounted on the inner and outer sides of the entrance door body (8).
8. The off-axis entrance door with good safety according to claim 7, characterized in that: Handles (29) are fixedly mounted on the inner and outer sides of the entrance door body (8).