Automatic leaf door resetting mechanism of subway turnstile

Abstract

The utility model belongs to the technical field of subway turnstiles, and particularly relates to an automatic leaf door resetting mechanism of a subway turnstile, which comprises a door plate, the door plate is mounted on a second door spindle, the second door spindle is in transmission connection with a first door spindle through a protection component, the first door spindle is connected with an output shaft of a motor, a shell of the motor is fixedly arranged on a flat plate, and the flat plate is fixedly connected with the door of the subway turnstile. An L-shaped adjusting piece is installed on the flat plate, a lower adjusting piece is installed on the L-shaped adjusting piece, the first door shaft is sleeved with an upper adjusting piece, the upper adjusting piece and the lower adjusting piece are connected with two torsion arms of a torsion spring in a sleeved mode respectively, and the first door shaft is sleeved with the torsion spring. Compared with an extension spring, a torsion spring structure is adopted, so that the transverse size of the device is greatly reduced, the overall dimension of gate equipment is reduced, and the effective space of a subway station hall is increased; when the door plate is blocked by external personnel or objects in the rotating process, the protection assembly effectively avoids overload of the door plate or structural damage of the device.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of subway gate, concretely relates to a fan door automatic reset mechanism of subway gate. BACKGROUND

[0002] A fan door automatic reset mechanism of subway gate, including the door plate, the door plate is installed on the second door shaft, the second door shaft is connected with the first door shaft through the protection assembly transmission, the protection assembly includes two end plates, two end plates are installed on the opposite end of the second door shaft and the first door shaft respectively, and the end face tooth of mutual engagement is installed on two end plates, the quick -witted card hoop is clamped on the outside of two end plates, the spring is clamped between the quick -witted card hoop and end plate, the first door shaft is connected with the output shaft of motor, the shell of motor is fixed on the flat plate, L type adjusting part is installed on the flat plate, lower adjusting part is installed on L type adjusting part, upper adjusting part is sleeved on the first door shaft, and the upper adjusting part and lower adjusting part are respectively sleeve jointed two torsional arms of torsional spring, and the torsional spring is sleeved on the outside of the first door shaft.

[0003] The utility model discloses the beneficial effect is: adopt torsional spring structure relative to the tensile spring to make the transverse dimension of device greatly reduce, be favorable to the appearance size of reducing gate equipment, improve the effective space of subway station hall;When the door plate is blocked by external personnel or object in the rotation process, the protection assembly effectively avoids the overload of door plate or the damage of device on structure. UTILITY MODEL CONTENTS

[0004] In view of the above problems, the utility model discloses the purpose at: provide a kind of fan door automatic reset mechanism of subway gate, solve the problem that the transverse dimension of existing subway gate fan door reset mechanism is big and cannot effectively respond to the situation of door plate obstruction.

[0005] To achieve the above object, the utility model adopts the technical scheme: a kind of fan door automatic reset mechanism of subway gate, including door plate, the door plate is installed on the second door shaft, the second door shaft is connected with the first door shaft through the protection assembly transmission, the protection assembly includes two end plates, two end plates are installed on the opposite end of the second door shaft and the first door shaft respectively, and the end face tooth of mutual engagement is installed on two end plates, the quick -witted card hoop is clamped on the outside of two end plates, the spring is clamped between the quick -witted card hoop and end plate, the first door shaft is connected with the output shaft of motor, the shell of motor is fixed on the flat plate, L type adjusting part is installed on the flat plate, lower adjusting part is installed on L type adjusting part, upper adjusting part is sleeved on the first door shaft, and the upper adjusting part and lower adjusting part are respectively sleeve jointed two torsional arms of torsional spring, and the torsional spring is sleeved on the outside of the first door shaft.

[0006] The utility model discloses beneficial effect is: adopt torsional spring structure relative to the tensile spring makes the lateral dimension of device greatly reduce, be favorable to the appearance size of reducing gate machine equipment, improve the effective space of subway station hall, when the door plate rotation process is blocked by external personnel or object, the protection assembly effectively avoids the overload of door plate or the damage of device on structure.

[0007] In order to guarantee the stability of the upper adjusting part on the first door shaft installation;

[0008] As a further improvement of the above technical solution: a plurality of through holes suitable for inserting and mounting the locking screw are formed on the upper adjusting part, and an internal thread hole suitable for connecting and locking the screw is formed on the first door shaft, and the upper adjusting part is in clearance fit with the first door shaft.

[0009] The beneficial effect of the improvement is that the upper adjusting part can be stably mounted on the first door shaft by a plurality of locking screws.

[0010] In order to flexibly adjust the torque of the torsional spring to reset the door plate at a suitable speed after power failure;

[0011] As a further improvement of the above technical solution: the L-shaped adjusting part is mounted on the flat plate by screws, the lower adjusting part is connected to the L-shaped adjusting part by screws, and a long slot hole for inserting and mounting the screw is formed on the lower adjusting part and the L-shaped adjusting part.

[0012] The beneficial effect of the improvement is that the design of the long slot hole facilitates the adjustment of the position of the torsional arm of one end of the torsional spring during assembly, thereby realizing the adjustment of the torque of the torsional spring.

[0013] In order to further improve the stability of the opening and closing position of the door plate;

[0014] As a further improvement of the above technical solution: the first door shaft is connected with a door shaft screw by threads, and a start limit screw and an end limit screw are connected with the flat plate on the side of the first door shaft by threads.

[0015] The beneficial effect of the improvement is that during the rotation of the first door shaft, the start limit screw and the end limit screw block and limit the door shaft screw, ensuring that the door plate is opened and closed in place.

[0016] In order to guarantee the stability of the torsional spring installation;

[0017] As a further improvement of the above technical solution: a slot hole suitable for inserting and mounting the torsional arm of the torsional spring is formed on the lower adjusting part and the upper adjusting part.

[0018] The beneficial effect of the improvement is that the torsional arm of the torsional spring can be inserted into the slot hole of the upper adjusting part and the lower adjusting part, ensuring the stability of the connection of the torsional arm.

[0019] To ensure the stability of the spring installation;

[0020] As a further improvement of the above technical solution: the spring sliding sleeve is installed on the outer side of the second door shaft.

[0021] The beneficial effects of the improvement are: when the device is working normally, the two end face teeth are stably engaged under the elastic support of the spring, ensuring the stability of the transmission of the first door shaft and the second door shaft.

[0022] To enable the stable engagement of the upper and lower end face teeth;

[0023] As a further improvement of the above technical solution: the axis of the end face teeth is collinear with the axes of the first door shaft and the second door shaft.

[0024] The beneficial effects of the improvement are: when the two end face teeth are engaged, the force is evenly distributed, and the power can be stably transmitted between the first door shaft and the second door shaft.

[0025] The parts not involved in the device are the same as or can be realized by the existing technology. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 The figure is a structural schematic diagram of the automatic resetting mechanism of the fan door of the subway gate in the prior art;

[0027] Figure 2 The figure is a structural schematic diagram of the automatic resetting mechanism of the fan door of the subway gate in the prior art;

[0028] Figure 3 The figure is a connection schematic of the torsion spring in the automatic resetting mechanism of the fan door of the subway gate in the prior art; Figure 1 ;

[0029] Figure 4 The figure is a connection schematic of the torsion spring in the automatic resetting mechanism of the fan door of the subway gate in the prior art; Figure 2 ;

[0030] Figure 5 The figure is a sectional view of the protection assembly in the automatic resetting mechanism of the fan door of the subway gate in the prior art;

[0031] Figure 6 The figure is a mounting schematic of the end face teeth in the automatic resetting mechanism of the fan door of the subway gate in the prior art;

[0032] In the figure: 1, motor; 2, first door shaft; 3, door plate; 4, upper adjusting part; 5, torsion spring; 6, lower adjusting part; 7, L-shaped adjusting part; 8, flat plate; 9, starting point limiting screw; 10, terminal limiting screw; 11, door shaft screw; 12, locking screw; 13, protection assembly; 131, end plate; 132, end face tooth; 133, quick-connection clamp; 134, spring; 14, second door shaft. DETAILED DESCRIPTION

[0033] In order to make the skilled in the art better understand the technical solutions of the present application, the present application is described in detail below in combination with the drawings, and the description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present application.

[0034] Example 1:

[0035] As Figure 1--5 shown: a subway gate automatic reset mechanism of the fan door, including door plate 3, the door plate 3 is installed on the second door shaft 14, the second door shaft 14 is driven connection first door shaft 2 through the protection assembly 13, the protection assembly 13 includes two end plates 131, two end plates 131 are respectively installed on the opposite end of the second door shaft 14 and the first door shaft 2, and the two end plates 131 are installed with the end face tooth 132 that mutually engages, the outer side of two end plates 131 is clamped with quick connection hoop 133, the spring 134 is clamped between quick connection hoop 133 and end plate 131, the first door shaft 2 is connected with the output shaft of motor 1, the housing of motor 1 is fixed on the flat plate 8, the L-shaped adjusting part 7 is installed on the flat plate 8, the lower adjusting part 6 is installed on the L-shaped adjusting part 7, the upper adjusting part 4 is sleeved on the first door shaft 2, the upper adjusting part 4 and the lower adjusting part 6 are respectively sleeved with the two torsional arms of torsional spring 5, the torsional spring 5 is sleeved on the outer side of the first door shaft 2, the device is greatly reduced in transverse dimension by using torsional spring structure relative to tensile spring, which is conducive to reducing the appearance size of the gate equipment and improving the effective space of the subway station hall; when the door plate 3 is blocked by external personnel or objects during rotation, the protection assembly 13 effectively prevents the door plate 3 from being overloaded or the device from being structurally damaged, a plurality of through holes adapted for inserting and fixing screws 12 are provided through the upper adjusting part 4, the first door shaft 2 is provided with an internal thread hole for threadedly connecting the fixing screw 12, the upper adjusting part 4 is clearance-fitted with the first door shaft 2, and the upper adjusting part 4 can be stably mounted on the first door shaft 2 by the plurality of fixing screws 12, the L-shaped adjusting part 7 is mounted on the flat plate 8 by screws, the lower adjusting part 6 is connected to the L-shaped adjusting part 7 by screws, long slot holes for inserting screws are provided on the lower adjusting part 6 and the L-shaped adjusting part 7, the design of the long slot holes facilitates the adjustment of the position of one end of the torsional spring 5 torsional arm during assembly, thereby achieving the adjustment of the torsional torque of the torsional spring 5, the door shaft screw 11 is threadedly connected on the first door shaft 2, the start limit screw 9 and the end limit screw 10 are threadedly connected on the flat plate 8 on the side of the first door shaft 2, during the rotation of the first door shaft 2, the start limit screw 9 and the end limit screw 10 block and limit the door shaft screw 11, ensuring that the door plate 3 is opened and closed in place, slot holes adapted for inserting the torsional arms of the torsional spring 5 are formed on the lower adjusting part 6 and the upper adjusting part 4, the torsional arms of the torsional spring 5 can be inserted into the slot holes of the upper adjusting part 4 and the lower adjusting part 6, ensuring the stability of the torsional arm connection, the spring 134 is slidingly sleeved on the outer side of the second door shaft 14, when the device is normally working, the two end face teeth 132 are stably engaged under the elastic support of the spring 134, ensuring the stability of the transmission of the first door shaft 2 and the second door shaft 14, the axis of the end face tooth 132 is collinear with the axis of the first door shaft 2 and the second door shaft 14, and the two end face teeth 132 are uniformly stressed when engaged, stably transmitting power between the first door shaft 2 and the second door shaft 14.

[0036] The working principle of the technical solution is that the door plate 3 is fixedly connected to the second door shaft 14, the motor 1 can drive the first door shaft 2 to rotate clockwise or counterclockwise to complete the opening or closing of the door plate 3; the starting point and the ending point of rotation are mechanically limited, the starting point is the starting point limiting screw 9, and the ending point is the ending point limiting screw 10-the positions of the limiting screw 9 and the ending point limiting screw 10 can be adjusted according to the actual required rotation angle, such as the rotation range can be limited to 90° or the rotation range can be limited to 180°; during the rotation of the first door shaft 2, the starting point limiting screw 9 and the ending point limiting screw 10 block and limit the door shaft screw 11, and the two torsion arms of the torsion spring 5 move under the driving of the upper adjusting piece 4 and the limiting of the lower adjusting piece 6, at this time, the torsion spring 5 elastically contracts or releases part of the elastic potential energy; when the motor 1 is powered off, the torsion spring 5 releases the elastic potential energy to drive the door plate 3 to automatically reset at a suitable speed; when the motor 1 normally drives the door plate 3 to rotate and the door plate 3 is blocked by external persons or objects during the rotation, in order to effectively avoid overloading of the door plate 3 or structural damage of the device such as deformation and fracture of the door plate 3, the end face teeth 132 arranged on the first door shaft 2 and the second door shaft 14 are separated from each other, the second door shaft 14 moves upward and the end plate 131 arranged on the second door shaft 14 presses the spring 134, the motor 1 normally drives the first door shaft 2 to rotate, and the power transmission between the second door shaft 14 and the first door shaft 2 is blocked, effectively avoiding damage to the device.

[0037] It should be noted that in this document, the terms "comprising", "including", or any other variant thereof are intended to cover a non-exclusive inclusion, such that processes, methods, articles, or devices that comprise a list of elements do not include only those elements, but also other elements that are not expressly listed, or other elements that are inherent to such processes, methods, articles, or devices.

[0038] The principles and implementation modes of the present application are described by applying specific examples in this document, and the above examples are only used to help understand the method of the present application and its core idea. The above description is only the preferred implementation mode of the present application, and it should be pointed out that due to the limitedness of the expression, there are infinite specific structures objectively, and for ordinary skilled persons in the technical field, some improvements, decorations or changes can be made without departing from the principles of the present application, and the above technical features can also be combined in an appropriate way; these improvements, decorations, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present application.

Claims

1. An automatic door reset mechanism for a subway turnstile, characterized in that: The utility model provides a door protection assembly, including door board (3), door board (3) is installed on second door shaft (14), second door shaft (14) is driven connection first door shaft (2) through protection assembly (13), protection assembly (13) includes two end plates (131), two end plates (131) are installed on the opposite end of second door shaft (14) and first door shaft (2) respectively, and the end surface tooth (132) of mutual meshing is installed on two end plates (131), the outer side of two end plates (131) is clamped with quick -witted clamp (133), spring (134) is clamped between quick -witted clamp (133) and end plate (131), first door shaft (2) is connected the output shaft of motor (1), the shell of motor (1) is fixed on flat plate (8), L type adjusting part (7) is installed on flat plate (8), lower adjusting part (6) is installed on L type adjusting part (7), upper adjusting part (4) is sleeved on first door shaft (2), and upper adjusting part (4) and lower adjusting part (6) are respectively sleeved with the two torsional arms of torsional spring (5), and torsional spring (5) is sleeved on the outside of first door shaft (2).

2. The automatic resetting mechanism of the fan door of the subway gate according to claim 1, characterized in that: A plurality of through holes are formed through the upper adjusting part (4) and adapted to insert the fixing screw (12), and the first door shaft (2) is provided with an internal thread hole connected with the fixing screw (12) by screw thread, and the upper adjusting part (4) is clearance fitted with the first door shaft (2).

3. The automatic resetting mechanism of the fan door of the subway gate according to claim 1, characterized in that: The L type adjusting part (7) is screwed on the flat plate (8), the lower adjusting part (6) is screwed on the L type adjusting part (7), and the lower adjusting part (6) and the L type adjusting part (7) are both provided with a long slot hole for inserting the screw.

4. The automatic resetting mechanism of the fan door of the subway gate according to claim 1, characterized in that: The first door shaft (2) is screwed with the door shaft screw (11), and the flat plate (8) on the side of the first door shaft (2) is screwed with the start limiting screw (9) and the end limiting screw (10).

5. The automatic resetting mechanism of the fan door of the subway gate according to claim 1, characterized in that: The lower adjusting part (6) and the upper adjusting part (4) are both provided with a slot hole adapted to insert the torsional arm of the torsional spring (5).

6. The automatic resetting mechanism of the fan door of the subway gate according to claim 1, characterized in that: The spring (134) is sleeved on the outside of the second door shaft (14).

7. The automatic resetting mechanism of the fan door of the subway gate according to claim 1, characterized in that: The axis of the end surface tooth (132) is collinear with the axis of the first door shaft (2) and the second door shaft (14).

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