Anti-falling device of commercial revolving door
By using a ratchet structure to limit unidirectional rotation in revolving doors, combined with a contact ball and spring buffer design, the problem of falls caused by revolving doors is solved, reducing the risk of falls and injuries to the elderly and other people.
Patent Information
- Application Number
- CN202520065246.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-13
AI Technical Summary
When using revolving doors, elderly people and those with mobility issues are prone to falling when children turn the door in the opposite direction. Current technology has not been able to effectively prevent such accidents.
The ratchet structure restricts the unidirectional rotation of the revolving door, and the cushioning design of the contact ball and spring reduces the impact injury when falling.
It effectively prevents falls caused by the revolving door rotating in the opposite direction, reducing the severity of injuries in the event of a fall.
Smart Images
Figure CN223707478U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a rotating door anti-falling technical field, and specifically relates to a commercial rotating door anti-falling device. BACKGROUND
[0002] Rotary doors are a common type of building door, usually composed of multiple leaves and opened and closed by rotating. They are usually used in high-traffic building entrances, such as shopping malls, hotels, office buildings, etc., and the main function is to provide convenient access while effectively isolating the temperature, humidity and air circulation of different environments, improving the energy efficiency of the building.
[0003] Since the rotary door has two openings of entrance and exit when in use, and the rotary door is open to the public (including the elderly, children and adults), if the elderly who have relatively inconvenient movements enter the rotary door, and the naughty children outside the rotary door reverse the rotary door, the rotary door will be reversed and knock the elderly who react slowly, which is easy to cause the elderly to fall and be squeezed by the rotary door, and there is room for improvement. INVENTION CONTENTS
[0004] The utility model aims at providing a commercial rotating door anti-falling device to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a commercial rotating door anti-falling device, comprising a door seat, the inner top of the door seat is fixedly installed with a ceiling, the inside of the door seat is rotatably connected with a rotating shaft, the outer periphery of the rotating shaft is annularly arranged with a rotary door body, one end of the rotating shaft is fixedly connected with a ratchet wheel, the rotary door body is movably connected with the ceiling, the inside of the ceiling is fixedly installed with a cylinder ball head, the cylinder ball head is matched with the ratchet wheel.
[0006] As a further scheme of the utility model: a commercial rotating door anti-falling device, the inside of the ceiling is provided with a sliding groove, a plurality of contact balls are annularly arranged in the inside of the sliding groove, one side of the rotary door body is fixedly connected with a sliding seat, the sliding seat is movably connected with the sliding groove, the side edge of the sliding seat is matched with the contact ball.
[0007] As a further scheme of the utility model: a commercial rotating door anti-falling device, the inside of the ceiling is fixedly installed with a cylinder, the cylinder ball head is fixedly installed at the output end of the cylinder, and the cylinder ball head is movably connected with the outer edge of the ratchet wheel.
[0008] As a further scheme of the utility model: a commercial rotating door anti-falling device, the inside of the rotating shaft is provided with a movable groove, one side of the rotary door body is fixedly installed with a hinge, and the hinge is matched with the movable groove.
[0009] As a further scheme of the utility model: a kind of anti-falling device of commercial revolving door, the outside of contact ball is fixedly installed with spring, and the end of spring away from contact ball is fixedly connected with ceiling.
[0010] As a further scheme of the utility model: a kind of anti-falling device of commercial revolving door, the side of revolving door body is fixedly installed with handrail, and the outside of handrail is provided with anti-skid line.
[0011] As a further scheme of the utility model: a kind of anti-falling device of commercial revolving door, contact ball and spring are provided with two groups respectively and are located at the two sides of sliding slot.
[0012] As a further scheme of the utility model: a kind of anti-falling device of commercial revolving door, the contact side of cylinder ball head and ratchet wheel is all treated by quenching and tempering.
[0013] Compared with prior art, the utility model has the beneficial effects that:
[0014] 1, because ratchet wheel limits that rotating shaft can only rotate in one direction, when personnel enter the rotating range of revolving door from the entrance of door seat, ratchet wheel can only limit the rotation of revolving door body in one direction, if personnel want to rotate revolving door body in reverse direction, it will not rotate because of the structure of ratchet wheel, so that the problem of extra personnel rotating in reverse direction and pushing revolving door body to move does not appear, and the problem of personnel falling in revolving door body is avoided.
[0015] 2, after personnel falls, personnel will drive revolving door body to move, because of the arrangement of contact ball and spring, the impact of sliding seat and contact ball can be buffered, so that the harm received by personnel after falling is reduced. DRAWINGS
[0016] Figure 1 It is the schematic view of overall structure in the anti-falling device of commercial revolving door of the utility model;
[0017] Figure 2 It is the structural schematic view of ratchet wheel in the anti-falling device of commercial revolving door of the utility model;
[0018] Figure 3 It is the structural schematic view of revolving door body and handrail in the anti-falling device of commercial revolving door of the utility model;
[0019] Figure 4 It is the structural schematic view of revolving door body and rotating shaft in the anti-falling device of commercial revolving door of the utility model;
[0020] Figure 5 It is the anti-falling device of commercial revolving door of the utility model Figure 2 enlarged view of A place.
[0021] Figure 6 A fall-preventing device for a commercial rotary door Figure 3 An enlarged view of the middle B.
[0022] In the figure: 1, door seat; 2, rotary door body; 21, hinge; 22, sliding seat; 3, rotary shaft; 31, movable groove; 4, ceiling; 5, sliding groove; 6, ratchet wheel; 7, handrail; 8, cylinder ball head; 9, contact ball; 10, spring. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0024] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements inside. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances. The embodiments thereof will be described below according to the overall structure of the present application.
[0025] In the embodiments of the present application, please refer to Figure 1 、 Figure 2 、 Figure 4 and Figure 5The utility model provides a kind of anti-falling device of commercial revolving door, including door seat 1, the inner top of the door seat 1 is fixedly installed with ceiling 4, one side of the revolving door body 2 is fixedly installed with handrail 7, the outer side of the handrail 7 is provided with anti-skid line, the inside of the door seat 1 is rotatably connected with rotating shaft 3, the outer periphery of the rotating shaft 3 is distributed with revolving door body 2 in annular array, the inside of the rotating shaft 3 is provided with movable slot 31, one side of the revolving door body 2 is fixedly installed with hinge 21, the hinge 21 is compatible with movable slot 31, thus personnel can use the relationship of hinge 21 and movable slot 31 compatible when falling to drive revolving door body 2 slightly displacement, reduce the injury caused by personnel knock to revolving door body 2.
[0026] Other embodiments of the utility model: please refer to Figure 1 、 Figure 2 And Figure 5 , one end of the rotating shaft 3 is fixedly connected with ratchet wheel 6, the inside of the ceiling 4 is fixedly installed with pneumatic cylinder, pneumatic cylinder ball head 8 is fixedly installed at the output end of pneumatic cylinder, the outer edge of pneumatic cylinder ball head 8 and ratchet wheel 6 are movably connected, the inside of the ceiling 4 is fixedly installed with pneumatic cylinder ball head 8, the pneumatic cylinder ball head 8 is compatible with ratchet wheel 6, the contact side of pneumatic cylinder ball head 8 and ratchet wheel 6 is all through tempering treatment and strengthens the hardness of pneumatic cylinder ball head 8 and ratchet wheel 6, so ratchet wheel 6 limits that rotating shaft 3 can only rotate in one direction, when personnel enters the rotating range of revolving door from the entrance of door seat 1, ratchet wheel 6 can only limit the rotation of revolving door body 2 in one direction, if personnel wants to rotate revolving door body 2 in reverse direction, it will not rotate because of the structure of ratchet wheel 6, so that the problem of extra personnel rotating in reverse and pushing revolving door body 2 to move does not appear, avoid the problem of personnel falling in revolving door body 2.
[0027] Other embodiments of the utility model: please refer to Figure 1 、 Figure 3 、 Figure 4 And Figure 6 , the revolving door body 2 is movably connected with the ceiling 4, the inside of the ceiling 4 is provided with sliding slot 5, a plurality of contact balls 9 are distributed in annular array in the inside of the sliding slot 5, the outer side of the contact ball 9 is fixedly installed with spring 10, one end of the spring 10 away from the contact ball 9 is fixedly connected with the ceiling 4, one side of the revolving door body 2 is fixedly connected with sliding seat 22, the sliding seat 22 is movably connected with the sliding slot 5, the side of the sliding seat 22 is compatible with the contact ball 9, the contact ball 9 and spring 10 are all provided with two groups, and are located at the two sides of the sliding slot 5 respectively, so when personnel falls and drives revolving door body 2 to move, the impact of sliding seat 22 and contact ball 9 can be buffered due to the arrangement of contact ball 9 and spring 10, to reduce the injury received by personnel after falling.
[0028] The working principle of the utility model is: when personnel enter the rotating area of the rotating door body 2, the rotating shaft 3 is rotatably connected in the door seat 1, the rotating door body 2 is arranged in the outer circumferential annular array of the rotating shaft 3, the movable slot 31 is arranged in the inner part of the rotating shaft 3, the hinge 21 is fixedly installed on one side of the rotating door body 2, the hinge 21 is matched with the movable slot 31, so that when the personnel falls down, the rotating door body 2 can be slightly displaced by the matched relationship between the hinge 21 and the movable slot 31, and the harm caused by the personnel bumping on the rotating door body 2 is reduced.
[0029] Meanwhile, the one end of the rotating shaft 3 is fixedly connected with the ratchet wheel 6, the air cylinder is fixedly installed in the inside of the ceiling 4, the air cylinder ball head 8 is fixedly installed on the output end of the air cylinder, the air cylinder ball head 8 is movably connected with the outer edge of the ratchet wheel 6, the air cylinder ball head 8 is fixedly installed in the inside of the ceiling 4, and the air cylinder ball head 8 is matched with the ratchet wheel 6, so that the ratchet wheel 6 limits the rotating shaft 3 to rotate in one direction only, when the personnel enters the rotating area of the rotating door from the entrance of the door seat 1, the ratchet wheel 6 can only limit the rotating door body 2 to rotate in one direction, if the personnel wants to rotate the rotating door body 2 in the opposite direction, the rotating door body 2 will not rotate because of the structure of the ratchet wheel 6, so that the problem of the excess personnel rotating in the opposite direction and pushing the rotating door body 2 to move does not occur, and the problem of the personnel falling down in the rotating door body 2 is avoided.
[0030] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.
Claims
1. A fall prevention device for a commercial revolving door, characterized by, Including the door seat (1), the inner top of the door seat (1) is fixedly installed with a ceiling (4), the inside of the door seat (1) is rotatably connected with a rotating shaft (3), the outer circumferential annular array of the rotating shaft (3) is distributed with a rotating door body (2), one end of the rotating shaft (3) is fixedly connected with a ratchet wheel (6), the rotating door body (2) is movably connected with the ceiling (4), the inside of the ceiling (4) is fixedly installed with a cylinder ball head (8), the cylinder ball head (8) is matched with the ratchet wheel (6).
2. A fall prevention device for a commercial revolving door according to claim 1, characterized in that The inside of the ceiling (4) is provided with a sliding groove (5), the inside of the sliding groove (5) is annularly distributed with a plurality of contact balls (9), one side of the rotating door body (2) is fixedly connected with a sliding seat (22), the sliding seat (22) is movably connected with the sliding groove (5), the side edge of the sliding seat (22) is matched with the contact ball (9).
3. A fall prevention device for a commercial revolving door according to claim 2, characterized in that The inside of the ceiling (4) is fixedly installed with a cylinder, the cylinder ball head (8) is fixedly installed at the output end of the cylinder, and the cylinder ball head (8) is movably connected with the outer edge of the ratchet wheel (6).
4. A fall prevention device for a commercial revolving door according to claim 3, characterized in that The inside of the rotating shaft (3) is provided with a movable groove (31), one side of the rotating door body (2) is fixedly installed with a hinge (21), and the hinge (21) is matched with the movable groove (31).
5. A fall prevention device for a commercial revolving door according to claim 4, characterized in that The outside of the contact ball (9) is fixedly installed with a spring (10), and one end of the spring (10) away from the contact ball (9) is fixedly connected with the ceiling (4).
6. A fall prevention device for a commercial revolving door according to claim 5, characterized in that One side of the rotating door body (2) is fixedly installed with a handrail (7), and the outside of the handrail (7) is provided with anti-skid lines.
7. A fall prevention device for a commercial revolving door according to claim 6, characterized in that The contact ball (9) and the spring (10) are provided with two groups and are located on both sides of the sliding groove (5) respectively.
8. A fall prevention device for a commercial revolving door according to claim 7, characterized in that The contact sides of the cylinder ball head (8) and the ratchet wheel (6) are treated by quenching and tempering.