CN111734265A

CN111734265A - Accident-preventing safety revolving door

Info

Publication number: CN111734265A
Application number: CN202010593245.5A
Authority: CN
Inventors: 李世霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-26
Filing date: 2020-06-26
Publication date: 2020-10-02

Abstract

The invention discloses an accident-proof safety revolving door, which comprises a door leaf rotating control system, a lifting system and a switch, wherein the revolving door control system adopts belt transmission, a door leaf is fixedly arranged on a rotating shaft, a large belt wheel is coaxially and fixedly arranged on the rotating shaft, a cylindrical gear is coaxially and fixedly arranged on a large belt wheel and a small belt wheel respectively, control circuit switches T2, T3, T4 and T5 are respectively arranged on the two cylindrical gears, the switches T2, T3 and T4 are in an off state under the normal operation condition of the revolving door, the switch T5 is closed, the rotating shaft suddenly stops rotating when a fault occurs, the cylindrical gears fixedly arranged on the rotating shaft also stop moving, a baffle A and a baffle B rotate by an angle along with the rotation of the small belt wheels, the switches T2, T3 and T4 are triggered to be opened in the process, the switch T5 is closed, and the electrification of a lifting motor and a red light and the outage of a rotating motor and a green, the invention has the advantages of ingenious structure, high stability and high automation degree, and can effectively prevent the occurrence of accidents of hurting people by the revolving door.

Description

Accident-preventing safety revolving door

Technical Field

The invention relates to the field of door and window manufacturing, in particular to an accident-prevention safety revolving door.

Background

With the development of modern society, the demand of people for products is developed from simple functionality to the direction of comprehensive consideration of functions and appearance, and the field of door and window manufacturing is the same, so that the revolving door seen by people at present is suitable for operation, but the following problem is that a certain potential safety hazard exists in a common revolving door, people can often see that children or people with inconvenient actions can be clamped in the revolving door when passing through the revolving door to cause physical injury, and therefore a safe and reliable revolving door device is needed. As disclosed in prior art (201710121272.0), a revolving door comprising one or more walls provided with openings for entrance and exit of persons and/or objects and rotatable door wings rotatable around an imaginary central vertical axis in a passage area enclosed by the walls, wherein each door wing is provided with a slidable door wing part extending and/or retracting the door wing, the door wing part forming a part of the door wing, wherein each door wing essentially only comprises slidable door wing parts such that the door wing parts of any single door wing can be selected to be arranged in at least two positions: a first position in which the door wings are completely adjacent or close to each other, and in which the first edges of the door wings are adjacent to the wall, and in which the door wings extend radially away from the wall towards the central vertical axis; and a second position in which the door wing portions are completely adjacent or close to the open opening or to each other and in which the second edges of the door wing portions are adjacent to the central vertical axis and in which the door wing portions extend radially away from the central vertical axis towards the wall, the invention not taking into account the situation in which people or goods are stuck on the underside of the door, and the invention thus provides an accident-proof revolving door.

Disclosure of Invention

Aiming at the technical problems, the invention provides the accident-prevention safety revolving door which can effectively solve the technical problems and has the advantages of safety, reliability, convenience in operation and ingenious structure.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: an accident prevention safety swing door comprising: the device comprises a rotating shaft, a door leaf, a moving platform, a fixed base, a motor support, a rotating motor, a support fixed plate, a connecting rod fixed rod, a connecting rod, a lead screw, a motor fixed plate, a lead screw support, a lead screw slider, a slider connecting rod, a supporting rod, a coupler, a motor, a supporting rod fixed column, a large belt wheel, a rotating shaft gear, a belt, a small belt wheel shaft fixed support, a small belt wheel shaft, a small belt wheel coaxial gear, a large gear shaft base, a small gear shaft base, a direction fixed rod, a switch T1, a switch T2.

The small belt wheel is coaxially and fixedly installed on a small belt wheel shaft, the large belt wheel is coaxially and fixedly installed on a rotating shaft, the large belt wheel and the small belt wheel form belt transmission through a belt, a rotating shaft gear and the rotating shaft are coaxially and fixedly installed above the large belt wheel, the rotating shaft gear and the small gear form gear matching, the small gear is coaxially and fixedly installed on a small gear shaft, a small belt wheel coaxial gear and a small belt wheel shaft are coaxially and fixedly installed above the small belt wheel, and the small belt wheel coaxial gear and the large gear form gear matching.

One end of the supporting rod fixing column is fixedly mounted on the fixing base, the other end of the supporting rod is fixedly mounted on the supporting rod, one end of the connecting rod is fixedly connected with the support fixing plate, the other end of the connecting rod is fixedly connected with the motor fixing plate, one end of the connecting rod fixing rod is fixedly mounted on the screw rod sliding block, the other end of the connecting rod is fixedly connected with the connecting rod, one end of the sliding block connecting rod is hinged to the supporting rod, the other end of the sliding block connecting rod is hinged to the screw rod sliding block, the screw rod sliding block and the screw rod are coaxially in threaded fit, one end of the screw.

Furthermore, the switch T4 and the switch T5 comprise a baffle A fixing column, a baffle A, a column buckle, a wedge-shaped sliding block, a contact spring, a switch groove, a contact A, a wedge-shaped block spring, a contact B and a sliding rail, baffle A fixed column one end fixed mounting is on baffle A, the other end is connected with the gear wheel rotation, stand buckle fixed mounting is on baffle A, stand fixed mounting is on wedge slider, the switch slot is connected with the gear wheel rotation, the one end fixed mounting of contact spring is on the switch slot, other end fixed mounting is on contact A, wedge spring one end fixed mounting is on the switch slot, other end fixed mounting is on wedge slider, slide rail fixed mounting is on the switch slot, wedge slider and slide rail sliding connection, wedge spring and contact B constitute switch T5, wedge slider and its just opposite switch slot's cell wall constitute switch T4.

Furthermore, the wedge-shaped sliding block comprises a wedge-shaped block and a contact, the contact is fixedly installed on the wedge-shaped block, and the contact is installed inside a spring of the wedge-shaped block.

Further, switch T2 and switch T3, including long switch slot, two switch contact springs, two switch slide rails, two switch push plates, baffle B fixed column, driving lever, long switch slot is connected with the pinion rotation, two switch contact spring fixed mounting are on long switch slot, two switch slide rail fixed mounting are on long switch slot, two switch push plates pass through the spring and link to each other, driving lever fixed mounting is on baffle B, baffle B fixed column one end fixed mounting is on baffle B, the other end is connected with the pinion rotation, baffle B both sides structure is the same, be switch T2 and switch T3 respectively, long switch slot both sides cell wall and two springs constitute switch T2 and switch T3 with two switch push plates.

Furthermore, the two ends of the direction fixing rod are hinged with the baffle A and the baffle B respectively, and the switch slot and the long switch slot are fixedly connected together through a long rod.

Further, the door leaf is coaxially and fixedly installed on the rotating shaft, the moving platform is coaxially and rotatably connected with the rotating shaft, and the moving platform is fixedly connected with the supporting rod.

Furthermore, the rotating shaft is rotatably connected with the fixed base through a bearing seat with a bearing fixed on the fixed base, one end of a small pulley shaft fixed support is fixedly installed on the fixed base, the other end of the small pulley shaft fixed support is rotatably connected with the small pulley shaft, a pinion shaft seat is fixedly installed on the fixed base, a pinion shaft is rotatably connected with a pinion shaft seat, a bull gear shaft seat is fixedly installed on the fixed base, and a bull gear shaft is rotatably connected with the bull gear shaft seat.

Further, the motor support is fixedly installed on the fixed base, and the rotating motor is fixedly installed on the motor support.

Compared with the prior art, the invention has the beneficial effects that: (1) the belt transmission is used for controlling the rotation of the revolving door, so that the belt can slip when an accident happens, and the injury to personnel can be reduced; (2) the invention is provided with the lifting device, so that trapped people can be rapidly rescued; (3) the invention is provided with a switch, and the switch can be automatically triggered when an accident occurs, so that the degree of automation is higher.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the present invention with the rotating shaft and the door leaf removed.

Fig. 3 is a schematic structural view of the present invention with the rotating shaft door leaf and the lifting system removed.

Fig. 4 is a schematic structural view of the present invention with the rotating shaft door leaf and the lifting system removed.

Fig. 5 is a partially enlarged schematic view of a portion denoted by a in fig. 4.

Fig. 6 is a partially enlarged schematic view of a portion denoted by B in fig. 4.

FIG. 7 is a schematic structural diagram of a wedge-shaped slider part.

FIG. 8 is a schematic diagram of a control circuit according to the present invention.

Reference numerals: 1-a rotating shaft; 2-door leaf; 3-moving the platform; 4-fixing the base; 5, a motor support; 6-a rotating electrical machine; 7-support fixing plate; 8-connecting rod fixing rod; 9-a connecting rod; 10-a lead screw; 11-motor fixing plate; 12-a screw support; 13-a lead screw slider; 14-a slider link; 15-support rods; 16-a coupling; 17-a motor; 18-support bar fixing posts; 19-large belt pulley; 20-a spindle gear; 21-a belt; 22-small pulley shaft fixing support; 23-a small pulley; 24-small pulley shaft; 25-small pulley coaxial gear; 26-a bull gear; 27-a large gear shaft; 28-bull gear shaft seat; 29-pinion gear; 30-pinion shaft; 31-pinion shaft seat; a 32-direction fixing bar; 33-baffle a fixing post; 34-baffle A; 35-upright post; 36-column snap; 37-wedge shaped slide block; 38-contact spring; 39-switch groove; 40-contact A; 41-wedge spring; 42-contact B; 43-a slide rail; 44-long switch slot; 45-dual switch contact springs; 46-a dual switch slide; 47-a dual switch push plate; 48-baffle B; 49-baffle B fixing column; 50-a deflector rod; 3701-wedge block; 3702-contacts.

Detailed Description

The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.

Example (b): fig. 1 is a schematic diagram of the overall structure of an embodiment of the present invention, when the mobile platform is installed, a pit is dug on the ground, the fixed base 4 is fixedly installed at the bottom of the pit, and meanwhile, a reference of an installation platform is provided for other parts, and the upper surface of the mobile platform is flush with the ground when the mobile platform is installed.

The motor holds in the palm 5 fixed mounting on unable adjustment base 4, and rotating electrical machines 6 fixed mounting holds in the palm 5 at the motor, and rotating electrical machines 6's output shaft and the coaxial fixed connection of pivot 1, the coaxial fixed mounting of door leaf 2 is on pivot 1, and moving platform 3 is connected with the coaxial rotation of pivot 1, will drive door leaf 2 and rotate together when the motor output shaft rotates.

The large belt wheel 19 is coaxially and fixedly arranged on the rotating shaft 1, the small belt wheel 23 is coaxially and fixedly arranged on the small belt wheel shaft 24, the large belt wheel 19 and the small belt wheel 23 form belt transmission through a belt 21, the rotating shaft gear 20 and the rotating shaft 1 are coaxially and fixedly arranged above the large belt wheel 19, the rotating shaft gear 20 and the small gear 29 form gear matching, the small gear 29 is coaxially and fixedly arranged on the small gear shaft 30, the small belt wheel coaxial gear 25 and the small belt wheel shaft 24 are coaxially and fixedly arranged above the small belt wheel 23, the small belt wheel coaxial gear 25 and the large gear 26 form gear matching, when the rotating motor 6 drives the rotating shaft 1 to rotate, the large belt wheel 19 also rotates along with the small belt wheel 23, so that the small belt, meanwhile, the rotating shaft gear 20 and the small belt wheel coaxial gear 25 rotate together, and the small gear 29 and the large gear 26 which are matched with the rotating shaft gear rotate together, and the transmission ratio of the large belt wheel 19 to the small belt wheel 23 is 2: 1, the ratio of the teeth of the small pulley coaxial gear 25 and the large gear 26 is 2: 1, the gear ratio of the spindle gear 20 and the pinion gear 29 is 1: 1, the bull gear 26 and the pinion 29 rotate through the same angle at the same time.

The switch T4 and the switch T5 comprise a baffle A fixed column 33, a baffle A34, an upright post 35, an upright post buckle 36, a wedge-shaped sliding block 37, a contact spring 38, a switch groove 39, a contact A40, a wedge-shaped block spring 41, a contact B42 and a sliding rail 43, the switch T4 and the switch T5 are designed in one structure, as shown in figure 5, one end of the baffle A fixed column 33 is fixedly arranged on a baffle A34, the other end of the baffle A fixed column is rotatably connected with a large gear 26, the upright post buckle 36 is fixedly arranged on a baffle A34, the upright post 35 is fixedly arranged on the wedge-shaped sliding block 37, the switch groove 39 is rotatably connected with the large gear 26, one end of the contact spring 38 is fixedly arranged on the switch groove 39, the other end of the contact A40, one end of the wedge-shaped block spring 41 is fixedly arranged on the switch groove 39, the other end of the wedge-shaped sliding block 37 is fixedly arranged, the contact 3702 is installed inside the wedge spring 41, the sliding rail 43 is fixedly installed on the switch slot 39, the wedge slider 37 is connected with the sliding rail 43 in a sliding manner, the wedge spring 41 and the contact B42 form a switch T5, the wedge slider 37 and the opposite slot wall of the switch slot 39 form a switch T4, the rotating shaft 1 stops moving when an accident occurs, the small belt wheel 23 continues to rotate under the action of the rotating motor 6, this causes the pinion 29 and the bull gear 26 to rotate out of synchronism, the flap a34 and the flap B48 rotate through an angle, the upright post buckle 36 and the upright post 35 are separated, the wedge-shaped sliding block 37 slides along the sliding rail 43 under the action of the wedge-shaped block spring 41, the contact A40 and the contact B42 are disconnected in the sliding process, at the same time, the contact 3702 on the wedge slider 37 will contact with the slot wall of the slide slot 39 opposite to it, which realizes the opening of the switch T5 and the closing of the switch T4 in the circuit.

The direction fixing rod 32 has two ends hinged to the baffle A34 and the baffle B48, and the direction fixing rod 32 is used to ensure the baffle A34 and the baffle B48 are parallel to each other and always face one direction during the rotation of the revolving door during normal operation, and the switch slot 39 and the long switch slot 44 are connected together via a long rod for the purpose of making the switch slot 39 and the long switch slot always face the same direction.

The switch T2 and the switch T3 comprise a long switch groove 44, a double-switch contact spring 45, a double-switch sliding rail 46, a double-switch push plate 47, a baffle B48, a baffle B fixed column 49 and a shifting rod 50, the structure of the switch T8932 is shown in figure 6, the long switch groove 44 is rotationally connected with a pinion 29, the double-switch contact spring 45 is fixedly arranged on the long switch groove 44, the double-switch sliding rail 46 is fixedly arranged on the long switch groove 44, the two double-switch push plates 47 are connected through springs, the shifting rod 50 is fixedly arranged on the baffle B48, one end of the baffle B fixed column 49 is fixedly arranged on the baffle B48, the other end of the baffle B48 is rotationally connected with the pinion 29, the two sides of the baffle B48 are identical in structure and respectively form a switch T2 and a switch T3, the two side groove walls of the long switch groove 44 and the two springs and the two double-switch push plates 47 form a switch T2 and a switch T3, when the baffle B48 rotates, when the double-switch push plate 47 and the double-switch contact spring 45 are contacted with each other, the switch T2 and the switch T3 in the circuit are closed, at the moment, the rotating motor 6 is stopped rotating by short circuit, the green light in the circuit is turned off, the red light is turned on, the current passes through the lifting motor, and the manual switch of the branch of the lifting motor 17 can start to work when being closed.

The movable platform 3 is fixedly connected with a support rod 15, one end of a support rod fixing column 18 is fixedly arranged on a fixed base 4, the other end of the support rod fixing column is fixedly arranged on the support rod 15, one end of a connecting rod 9 is fixedly connected with a support fixing plate 7, the other end of the connecting rod fixing column is fixedly connected with a motor fixing plate 11, one end of a connecting rod fixing rod 8 is fixedly arranged on a lead screw slider 13, the other end of the connecting rod fixing rod is fixedly connected with the connecting rod 9, one end of a slider connecting rod 14 is hinged with the support rod 15, the other end of the slider connecting rod is hinged with the lead screw slider 13, the lead screw slider 13 is coaxially matched with a lead screw 10 in a thread manner, one end of a lead screw support 12 is coaxially and rotatably connected with the lead screw 10, the other end of the lead screw support is fixedly connected, therefore, trapped people can be quickly solved, and the injury to the trapped people is reduced.

Three cell walls of switch slot 39 all are equipped with binding post, binding post links to each other with the inboard spring of cell wall, all the other parts are insulating material except binding post, contact spring 38 is electrically conductive material, wedge 3701 is insulating material, wedge 41 is insulating material, two cell wall outsides of long switch slot 44 length direction are equipped with binding post, binding post links to each other with the spring, long switch slot removes binding post and is insulating material, two double switch push pedals 47 are electrically conductive material, double switch push pedal 47 keeps away from and is equipped with binding post in the one side of double switch contact spring 45, two connecting spring between the double switch push pedal 47 are insulating material.

Because the accident of the revolving door belongs to an accidental event, and the manufacturing cost of the structure and the difficulty degree of operation are considered, the reset structure of the switch is not designed, and the switch can be powered on for use only by manually resetting the switch after the accident occurs.

Claims

1. An accident prevention safety swing door comprising: the device comprises a rotating shaft (1), a door leaf (2), a moving platform (3), a fixed base (4), a motor support (5), a rotating motor (6), a support fixing plate (7), a connecting rod fixing rod (8), a connecting rod (9), a lead screw (10), a motor fixing plate (11), a lead screw support (12), a lead screw slider (13), a slider connecting rod (14), a supporting rod (15), a coupler (16), a motor (17), a supporting rod fixing column (18), a large belt wheel (19), a rotating shaft gear (20), a belt (21), a small belt wheel shaft fixing support (22), a small belt wheel (23), a small belt wheel shaft (24), a small belt wheel coaxial gear (25), a large gear wheel (26), a large gear wheel shaft (27), a large gear wheel shaft base (28), a small gear wheel (29), a small gear wheel shaft (30), a small gear shaft base, A switch T2, a switch T3, a switch T4, a switch T5; the method is characterized in that:

the small belt wheel (23) is coaxially and fixedly installed on a small belt wheel shaft 24, the large belt wheel (19) is coaxially and fixedly installed on the rotating shaft (1), the large belt wheel (19) and the small belt wheel (23) form belt transmission through a belt (21), the rotating shaft gear (20) and the rotating shaft (1) are coaxially and fixedly installed above the large belt wheel (19), the rotating shaft gear (20) and the small gear (29) form gear matching, the small gear (29) wheel is coaxially and fixedly installed on a small gear shaft (30), the small belt wheel coaxial gear (25) and the small belt wheel shaft (24) are coaxially and fixedly installed above the small belt wheel (23), and the small belt wheel coaxial gear (25) and the large gear (26) form gear matching;

one end of a supporting rod fixing column (18) is fixedly installed on the fixing base (4), the other end of the supporting rod fixing column is fixedly installed on the supporting rod (15), one end of a connecting rod (9) is fixedly connected with the support fixing plate (7), the other end of the connecting rod fixing column is fixedly connected with the motor fixing plate (11), one end of a connecting rod fixing rod (8) is fixedly installed on a lead screw sliding block (13), the other end of the connecting rod is fixedly connected with the connecting rod (9), one end of a sliding block connecting rod (14) is hinged to the supporting rod (15), the other end of the sliding block connecting rod is hinged to the lead screw sliding block (13), the lead screw sliding block (13) and a lead screw (10) are coaxially matched in a threaded mode, one end of a lead screw support (12) is coaxially and rotatably connected with the lead screw (10), the.

2. An accident prevention safety swing door according to claim 1, wherein: the switch T4 and the switch T5 comprise a baffle A fixing column (33), a baffle A (34), an upright column (35), an upright column buckle (36), a wedge-shaped sliding block (37), a contact spring (38), a switch groove (39), a contact A (40), a wedge-shaped block spring (41), a contact B (42) and a sliding rail (43), wherein one end of the baffle A fixing column (33) is fixedly arranged on the baffle A (34), the other end of the baffle A fixing column is rotatably connected with the large gear (26), the upright column buckle (36) is fixedly arranged on the baffle A (34), the upright column (35) is fixedly arranged on the wedge-shaped sliding block (37), the switch groove (39) is rotatably connected with the large gear (26), one end of the contact spring (38) is fixedly arranged on the switch groove (39), the other end of the contact spring is fixedly arranged on the contact A (40), one end of the wedge-shaped block spring, the other end is fixedly arranged on a wedge-shaped sliding block (37), a sliding rail (43) is fixedly arranged on a switch groove (39), the wedge-shaped sliding block (37) is connected with the sliding rail (43) in a sliding manner, a wedge-shaped block spring (41) and a contact B (42) form a switch T5, and the wedge-shaped sliding block (37) and the groove wall of the switch groove (39) opposite to the wedge-shaped sliding block form a switch T4.

3. An accident prevention safety swing door according to claim 2, wherein: wedge slider (37) include wedge (3701), contact (3702), its characterized in that: the contact (3702) is fixedly mounted on the wedge block (3701), and the contact (3702) is mounted inside the wedge block spring (41).

4. An accident prevention safety swing door according to claim 1, wherein: the switches T2 and T3 comprise a long switch groove (44), a double-switch contact spring (45), a double-switch slide rail (46), a double-switch push plate (47), a baffle B (48), a baffle B fixing column (49) and a deflector rod (50), long switch slot (44) rotate with pinion (29) and are connected, two switch contact spring (45) fixed mounting are on long switch slot (44), two switch slide rail (46) fixed mounting are on long switch slot (44), two switch push pedal (47) link to each other through the spring, driving lever (50) fixed mounting is on baffle B (48), baffle B fixed column (49) one end fixed mounting is on baffle B (48), the other end rotates with pinion (29) and is connected, baffle B (48) both sides structure is the same, be switch T2 and switch T3 respectively, switch T2 and switch T3 are constituteed with two switch push pedal (47) to long switch slot (44) both sides cell wall and two springs.

5. An accident prevention safety swing door according to claim 1, wherein: two ends of the direction fixing rod (32) are respectively hinged with the baffle A (34) and the baffle B (48), and the switch groove (39) and the long switch groove (44) are fixedly connected together through a long rod.

6. An accident prevention safety swing door according to claim 1, wherein: the door leaf (2) is coaxially and fixedly installed on the rotating shaft (1), the moving platform (3) is coaxially and rotatably connected with the rotating shaft (1), and the moving platform (3) is fixedly connected with the supporting rod (15).

7. An accident prevention safety swing door according to claim 1, wherein: the rotating shaft (1) is rotatably connected with the fixed base (4) through a bearing seat with a bearing fixed on the fixed base (4), one end of a small pulley shaft fixed support (22) is fixedly installed on the fixed base (4), the other end of the small pulley shaft fixed support is rotatably connected with a small pulley shaft (24), a pinion shaft seat (31) is fixedly installed on the fixed base (4), a pinion shaft (30) is rotatably connected with the pinion shaft seat (31), a bull gear shaft seat (28) is fixedly installed on the fixed base (4), and a bull gear shaft (27) is rotatably connected with the bull gear shaft seat (28).

8. An accident prevention safety swing door according to claim 1, wherein: the motor support (5) is fixedly arranged on the fixed base (4), and the rotating motor (6) is fixedly arranged on the motor support (5).