CN112709512A

CN112709512A - Stepless speed regulation door opener

Info

Publication number: CN112709512A
Application number: CN202011549323.8A
Authority: CN
Inventors: 陶丁丁
Original assignee: Hangzhou Fuyang Taomen Door Opener Co ltd
Current assignee: Hangzhou Fuyang Taomen Door Opener Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-04-27

Abstract

The application relates to a stepless speed regulation door opener, which relates to the field of automatic door opening auxiliary equipment and comprises a base, wherein a lead screw is rotatably connected to the base, a fixing plate is in threaded connection with the lead screw, a motor is fixedly connected to the fixing plate, a speed reducer is fixedly connected to the motor, a gear is fixedly connected to an output shaft of the speed reducer, a rack is fixedly arranged on a door plate, and the rack is in meshed connection with the gear; one end of the screw rod is fixedly provided with a handle for driving the screw rod to rotate; the speed regulating mechanism is used for regulating the output rotating speed of the gear and comprises a driving wheel, a driven shaft and a transmission belt; the driving wheel and the driven wheel have the diameter changing function, the driving shaft is arranged on an output shaft of the speed reducer, the driven shaft is rotatably connected to the base and parallel to the output shaft of the speed reducer, the driven wheel is arranged on the driven shaft, and the transmission belt is arranged on the driving wheel and the driven wheel. The application has the effects of manual automatic free exchange and stepless speed regulation.

Description

Stepless speed regulation door opener

Technical Field

The application relates to the field of automatic door opening auxiliary equipment, in particular to a stepless speed regulation door opening machine.

Background

The translation door is used on a subway station, a vertical elevator or an office building, the door opening and closing operation is realized through a door opening machine connected with the translation door, and the door opening machine is an important component of the electric telescopic door. But meet the power failure situation after, the door operator will be unable to continue work, and the translation door will be fixed immovably in its dwell position, can't open the door or close the door operation according to the actual demand on-the-spot, and the function remains to be improved.

Disclosure of Invention

In order to make the door operator freely change by manual automation, this application provides a stepless speed regulation door operator.

The application provides a stepless speed regulation door operator adopts following technical scheme:

a stepless speed regulation door opener is used for driving a door plate to move and comprises a base, wherein a lead screw is rotatably connected to the base, a fixing plate is in threaded connection with the lead screw, a motor is fixedly connected to the fixing plate, a speed reducer is fixedly connected to the motor, a gear is fixedly connected to an output shaft of the speed reducer, a rack is fixedly arranged on the door plate, and the rack is in meshed connection with the gear; and a handle for driving the screw rod to rotate is fixedly arranged at the end part of the screw rod.

By adopting the technical scheme, the motor is started to drive the speed reducer to rotate, the speed reducer drives the gear on the output shaft of the speed reducer to rotate, and the gear is meshed and connected with the rack arranged on the door plate, so that the door plate can be driven to open or close by the motor; the handle is rotated to drive the lead screw to rotate, the fixing plate is in threaded connection with the lead screw, and the lead screw can move along the axis of the lead screw when rotating, so that the motor, the speed reducer and the gear can be driven to move, the gear and the rack are separated, the door plate can be manually pushed, and reverse current impact on a rotor of the motor caused by movement of the door plate is reduced.

Optionally, a guide rod is fixedly connected to the base, a through hole is formed in the fixed plate, the guide rod penetrates through the through hole and is connected with the fixed plate in a sliding mode, and the guide rod is parallel to the axis of the screw rod.

Through adopting above-mentioned technical scheme, the setting of guide bar can play the effect of direction to the moving direction of fixed plate, and can prevent the fixed plate along lead screw circumferential direction with the lead screw cooperation, improves the stability of fixed plate at the removal in-process.

Optionally, the device further comprises a speed regulating mechanism, wherein the speed regulating mechanism is used for regulating the output rotating speed of the gear.

Through adopting above-mentioned technical scheme, the setting of speed adjusting mechanism can control the slew velocity of gear to can adjust the speed of opening the door or closing the door by oneself according to actual demand.

Optionally, the speed regulating mechanism comprises a driving wheel, a driven shaft and a transmission belt; the driving shaft is arranged on an output shaft of the speed reducer, the driven shaft is rotatably connected to the base and parallel to the output shaft of the speed reducer, the driven wheel is arranged on the driven shaft, and the transmission belt is arranged on the driving wheel and the driven wheel; the gear is fixedly arranged on the driven shaft.

Through adopting above-mentioned technical scheme, the action wheel passes through the drive belt and drives from the driving wheel rotation, thereby can make the driven shaft rotate from driving wheel and driven shaft rigid coupling, and the gear is established and can be driven shaft and gear on the driven shaft, and the diameter of action wheel and follow driving wheel changes the back, can make the action wheel go up invariable rotational speed and control the rotational speed from the driving wheel to can realize adjusting the speed of opening the door or closing the door.

Optionally, the action wheel includes first rim plate and second rim plate, the opposite face of first rim plate and second rim plate all has set firmly the bracing piece, the tip rigid coupling of bracing piece has the catch, the bracing piece of first rim plate and second rim plate is cross arrangement, first rim plate rigid coupling is on the output shaft of reduction gear, second rim plate sliding connection is on the output shaft of reduction gear.

Through adopting above-mentioned technical scheme, first rim plate is close to the second rim plate, the bracing piece that sets firmly on first rim plate passes from the gap between the bracing piece on the second rim plate, make the distance between first rim plate and the second rim plate be close to, the intersect of a plurality of bracing pieces on first rim plate and the second rim plate is close to the outside edge that is close to first rim plate and second rim plate, thereby can make the diameter grow of establishing at the action wheel, the atress radius of establishing the drive belt on the action wheel can increase, the rotational speed of drive belt also accelerates thereupon.

Optionally, the disc surfaces of the first wheel disc and the second wheel disc are in a conical surface-shaped structure, and the cone angle of the disc surface of the first wheel disc is the same as the cone angle formed by the plurality of support rods on the second wheel disc.

Through adopting above-mentioned technical scheme, the quotation of first rim plate and second rim plate is the conical surface structure, can make bracing piece and the catch of establishing on the second rim plate move towards first rim plate when the first rim plate of second rim plate orientation removes, improves the control range of action wheel diameter, and when the catch butt joint to the rim plate, the diameter of action wheel is maximum state.

Optionally, a key block is fixedly arranged on the output shaft of the speed reducer, and a key groove for clamping the key block is formed in the disc surface of the second wheel disc.

Through adopting above-mentioned technical scheme, the quotation of second rim plate and the output shaft key-type connection on the reduction gear can make the moment of torsion on the reduction gear pass through the second rim plate and first rim plate together transmit to the drive belt on, prevent to lead to the atress inequality and influence life only through first rim plate atress.

Optionally, a bracket is arranged on the base, and an adjusting rod is connected to the bracket in a sliding manner; the outer surface of the second wheel disc is fixedly connected with a fixing ring, the end part of the adjusting rod is fixedly connected with an adjusting plate, and the adjusting rod is rotatably connected with the fixing ring; and the base is provided with a fixing device for positioning the adjusting rod.

By adopting the technical scheme, the adjusting plate at one end of the adjusting rod is rotatably connected to the outer disc surface of the second wheel disc, and the distance between the second wheel disc and the first wheel disc can be adjusted by adjusting the position of the adjusting rod in the guide hole, so that the effective diameter of the driving wheel can be adjusted; the adjusting rod is arranged in the guide hole, the adjusting rod can move along the guide hole, and meanwhile, the fixing device is used for fixing the position of the adjusting rod in the guide hole, so that the first wheel disc is prevented from deviating from the second wheel disc to move due to the fact that the driving belt applies large pressure on the driving wheel.

Optionally, the speed regulation mechanism includes a frequency converter, and an output end of the frequency converter is connected to a connection terminal of the motor.

By adopting the technical scheme, the frequency of the motor power supply can be adjusted by the arrangement of the frequency converter, so that the effect of changing the rotating speed of the motor is realized by adjusting the power supply frequency.

Optionally, a signal receiver is arranged on the frequency converter, and a signal transmitter is arranged in a matching manner on the signal receiver; and the signal transmitter is used for remotely starting and stopping the frequency converter.

Through adopting above-mentioned technical scheme, signal receiver integration is in the converter, can be used to receive the control command of remote controller to accessible signal transmitter realizes opening the stop control to the converter, and convenient to use person realizes controlling the function that the door plant opened or closed in the long-range.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the door opening machine is provided with a lead screw adjustable motor and the position of a gear, so that the gear can be adjusted to be meshed with or separated from a rack on a door plate, and the switching between manual control and automatic control can be realized;

2. the driving wheel and the driven wheel on the speed regulating mechanism can realize the adjustment of the radius of the driving wheel and the driven wheel through the movement of the adjusting rod, thereby realizing the stepless speed regulating function of the gear.

Drawings

Fig. 1 is a schematic overall structure diagram provided in embodiment 1 of the present application.

Fig. 2 is a schematic diagram of a door panel structure provided in embodiment 1 of the present application.

Fig. 3 is an exploded schematic view of a governor mechanism provided in embodiment 1 of the present application.

Fig. 4 is an exploded schematic view of a driving wheel or a driven wheel provided in embodiment 1 of the present application.

Fig. 5 is a partial structural view of a fixing device provided in embodiment 1 of the present application.

Fig. 6 is a connection block diagram of the frequency converter provided in embodiment 2 of the present application.

Description of reference numerals: 1. a base; 11. a lead screw; 12. a fixing plate; 13. a motor; 14. a speed reducer; 15. a gear; 16. a handle; 2. a door panel; 21. a rack; 3. a guide bar; 31. a through hole; 4. a speed regulating mechanism; 41. a driving wheel; 42. a driven wheel; 43. a driven shaft; 44. a transmission belt; 45. a bump; 5. a first wheel disc; 51. a second wheel disc; 52. a support bar; 53. a locking ring; 6. a key block; 61. a keyway; 7. a support; 71. adjusting a rod; 72. a first adjusting plate; 73. a fixing ring; 8. a fixing device; 81. a stud; 82. a butterfly nut; 9. a frequency converter; 91. a signal receiver; 92. and a remote controller.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a stepless speed regulation door opener.

Example 1

Referring to fig. 1 and 2, the door opener is used for driving the door panel 2 to move, and includes a base 1, a screw rod 11 and a fixing plate 12. Motor 13, reducer 14 and gear 15. Wherein, the screw rod 11 is rotationally connected to the base 1 and is in a horizontal state; the fixing plate 12 is provided with a threaded hole and penetrates through two ends of the fixing plate 12, the fixing plate 12 is in threaded connection with the lead screw 11 through the threaded hole, the fixing plate 12 is in a horizontal state, and the fixing plate 12 can move along the axial direction of the lead screw 11 when the lead screw 11 rotates; the motor 13 is fixedly connected with the speed reducer 14, the speed reducer 14 is fixedly connected to the fixing plate 12, the motor 13 is used for providing a power source, and the speed reducer 14 is used for slowing down the rotating speed of the motor 13 and increasing torque; the gear 15 is fixedly connected to an output shaft of the speed reducer 14, the door panel 2 is fixedly connected with a rack 21 in a horizontal state, the gear 15 is meshed with the rack 21, and when the motor 13 drives the speed reducer 14 to rotate, the door panel 2 can be opened or closed through meshing of the gear 15 and the rack 21.

A handle 16 for driving the screw 11 to rotate is fixedly arranged at one end of the screw 11. The handle 16 is rotated to drive the screw rod 11 to rotate, the fixing plate 12 is in threaded connection with the screw rod 11 and can move along the axis of the screw rod 11 when the screw rod 11 rotates, so that the motor 13, the speed reducer 14 and the gear 15 can be driven to move, the gear 15 is separated from the rack 21, the door plate 2 can be manually pushed, and reverse current impact on a rotor of the motor 13 caused by movement of the door plate 2 is reduced.

The rigid coupling has guide bar 3 on base 1, and guide bar 3 is parallel with the axis of lead screw 11, has seted up through-hole 31 on the fixed plate 12, and the axis of through-hole 31 is parallel with the axis of screw hole, and fixed plate 12 wears to establish on guide bar 3 through-hole 31 with guide bar 3 sliding connection. The guide rod 3 can play a role in guiding the moving direction of the fixing plate 12, and can be matched with the lead screw 11 to prevent the fixing plate 12 from rotating and deviating along the axis of the lead screw 11, so that the stability of the fixing plate 12 in the moving process is improved.

Further, an output shaft of the speed reducer 14 is provided with a speed regulating mechanism 4 for controlling the rotation speed of the gear 15, so that the door opening and closing speed can be automatically adjusted according to actual requirements.

Referring to fig. 3 and 4, the governor mechanism 4 includes a driving pulley 41, a driven pulley 42, a driven shaft 43, a transmission belt 44, and an adjustment lever 71. Wherein the driving wheel 41 is arranged on the output shaft of the reducer 14; a supporting seat is fixedly arranged on the fixed plate 12, the driven shaft 43 is rotatably connected to the supporting seat, the driven shaft 43 is parallel to the output shaft of the speed reducer 14 and is positioned at the same horizontal height, and the gear 15 is fixedly arranged at one end part of the driven shaft 43; the transmission belt 44 is arranged on the driving wheel 41 and the driven wheel 42 and is used for transmitting the kinetic energy output by the driving wheel 41 to the driven wheel 42; the base 1 is fixedly provided with a support 7, an adjusting rod 71 penetrates through a positioning hole in the support 7 to be slidably connected with the support 7, one end of the adjusting rod 71 is rotatably connected to the driven wheel 42, a branch rod is fixedly connected to the adjusting rod 71, the end of the branch rod is abutted to the driving wheel 41, and the adjusting rod 71 is used for adjusting the radius of the driving wheel 41 and the radius of the driven wheel 42.

The driving wheel 41 comprises a first wheel disc 5 and a second wheel disc 51, a plurality of supporting rods 52 arranged circumferentially are fixedly arranged on opposite surfaces of the first wheel disc 5 and the second wheel disc 51, the supporting rods 52 form a conical structure, a locking ring 53 is fixedly connected to the end portion of each supporting rod 52, the locking ring 53 is sleeved on an output shaft of the speed reducer 14, the supporting rods 52 of the first wheel disc 5 and the second wheel disc 51 are arranged in a crossed mode, the locking rings 53 on the first wheel disc 5 and the first wheel disc 5 are fixedly connected to the output shaft of the speed reducer 14, and the locking rings 53 on the second wheel disc 51 and the second wheel disc 51 are connected to the output shaft of the speed reducer 14 in a sliding mode.

The first wheel disc 5 moves towards the second wheel disc 51, namely, the intersection point of the support rod 52 on the first wheel disc 5 and the support rod 52 on the second wheel disc 51 moves towards the outer edge of the wheel disc, so that the effective radius of the first wheel disc 5 and the effective radius of the second wheel disc 51 can be increased, the winding radius of the transmission belt 44 arranged at the intersection point of the support rod 52 can also be enlarged along with the intersection point of the support rod 52, and the transmission speed of the transmission belt 44 can be improved.

Further, the quotation of first rim plate 5 and second rim plate 51 is the toper structure to the direction that carries on the back mutually, and the cone angle of the quotation of first rim plate 5 and second rim plate 51 is the same, and is not less than the cone angle of the toper structure that a plurality of bracing pieces 52 formed for when two rim plates move towards first rim plate 5, bracing piece 52 tip and the catch 53 butt on the second rim plate 51 to the medial surface of first rim plate 5, extension second rim plate 51's displacement, enlarge the radial adjustment range of first rim plate 5.

A long-strip-shaped key block 6 is fixedly arranged on an output shaft of the speed reducer 14, and the long side edge of the key block 6 is parallel to the axis of the output shaft of the speed reducer 14; the second wheel disc 51 is provided with a key groove 61, and the key block 6 is clamped in the key groove 61. Second rim plate 51 can move along the length direction of keyway 61, is kept away from or is close to first rim plate 5, realizes adjusting the effect of first rim plate 5 radius, and on the moment of torsion of reduction gear 14 output shaft passed through the key piece 6 transmission to second rim plate 51 simultaneously, second rim plate 51 and first rim plate 5 transmitted moment of rotation to drive belt 44 together, prevented only leading to the atress uneven and influence life through first rim plate 5 atress.

The cross section of the transmission belt 44 is in a triangular structure, a plurality of convex blocks 45 are fixedly arranged on the inner side surface of the transmission belt 44 facing the first wheel disc 5 or the second wheel disc 51, the convex blocks 45 are arranged in two rows in a staggered mode and used for enabling the convex blocks 45 on the transmission belt 44 to be embedded into a gap between the support rods 52 on the driving wheel 41 and the driven wheel 42, and therefore the transmission belt 44 can have large friction force with the driving wheel 41 and the driven wheel.

The driven shaft 43 is also provided with a key block 6, and the structure of the driven wheel 42 and the connecting structure connected to the driven shaft 43 are the same as the structure of the driving wheel 41 and the connecting structure of the driving wheel 41 connected to the output shaft of the speed reducer 14, which will not be described again.

Referring to fig. 3 and 5, a bracket 7 is fixedly arranged on the fixed plate 12, an adjusting rod 71 is slidably connected to the bracket 7, one end of the adjusting rod 71 extends out of the base 1, and the other end is fixedly connected to a disk-shaped adjusting plate 72; the movable wheel discs on the driving wheel 41 and the driven wheel 42 are both provided with a fixing ring 73, and the fixing ring 73 is provided with an annular groove for enabling the adjusting plate 72 to extend into the groove of the fixing ring 73 on the driven wheel 42; the adjusting rod 71 is fixedly connected with a branch rod, the outer end part of the branch rod is also provided with a disk-shaped adjusting plate 73, the adjusting plate 73 is arranged in a groove of the fixing ring 73 on the driving wheel 41, so that the adjusting plate 72 can drive the wheel disc moving on the driving wheel 41 and the driven wheel 42 by stretching the adjusting rod 71, and the effect of adjusting the radius of the driving wheel 41 and the driven wheel 42 is realized. The movable wheel discs of the driving wheel 41 and the driven wheel 42 are in opposite directions, so that the radius of the driving wheel 41 can be adjusted, the driven wheel 42 can be adjusted in the opposite direction, namely the radius of the driving wheel 41 is increased, the radius of the driven wheel 42 is decreased, and the speed regulation sensitivity can be improved.

Be equipped with fixing device 8 on adjusting pole 71, fixing device 8 includes that the rigid coupling is in stud 81 on adjusting pole 71 and threaded connection is at the butterfly nut 82 on stud 81, has seted up the regulation hole that is the rectangle structure on the support 7, and stud 81 passes the regulation hole and plays fixed effect to adjusting pole 71 through butterfly nut 82 butt to the downside of support 7.

The implementation principle of the stepless speed regulation door operator in the embodiment of the application is as follows: when the motor 13 is started, the driven wheel 42 on the speed regulating mechanism 4 can be driven to rotate through the speed reducer 14, and the gear 15 on the driven shaft 43 is meshed and connected with the rack 21 arranged on the door panel 2, so that the door panel 2 can be driven to open or close by the motor 13; the handle 16 is rotated, the fixed plate 12, the motor 13 arranged on the fixed plate 12 and the speed regulating mechanism 4 of the speed reducer 14 can be driven to move through the screw rod 11, the gear 15 is separated from the rack 21, the door plate 2 can be manually pushed, and reverse current impact on a power grid caused by the movement of the door plate 2 through a rotor of the motor 13 is reduced.

Example 2

The difference between this embodiment and embodiment 1 is that, referring to fig. 6, the speed regulating mechanism 4 is a frequency converter 9, and the main circuit output end of the frequency converter 9 is connected to the power supply terminal of the motor 13, so that the frequency of the power supply can be changed by the frequency converter 9 to adjust the rotation speed of the motor 13, and thus the rotation speed of the gear 15 can be changed.

Further, the frequency converter 9 is provided with a signal receiver 91 and is provided with a signal transmitter 92, and the signal transmitter 92 is used for sending out a control signal to control the start and stop of the frequency converter 9 through the signal receiver 91. The signal emitter 92 is integrated in the remote controller, so that a user can conveniently control the starting and stopping of the frequency converter 9 through the remote controller, and the function of controlling the door panel 2 to be opened or closed can be realized at any place in a signal receiving range.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a stepless speed regulation door operator for drive door plant (2) and remove which characterized in that: the door plate comprises a base (1), wherein a lead screw (11) is rotatably connected to the base (1), a fixing plate (12) is in threaded connection with the lead screw (11), a motor (13) is fixedly connected to the fixing plate (12), a speed reducer (14) is fixedly connected to the motor (13), a gear (15) is fixedly connected to an output shaft of the speed reducer (14), a rack (21) is fixedly arranged on the door plate (2), and the rack (21) is meshed with the gear (15); one end part of the screw rod (11) is fixedly provided with a handle (16) for driving the screw rod (11) to rotate.

2. The stepless speed regulating door operator according to claim 1, characterized in that: a guide rod (3) is fixedly connected to the base (1), a through hole (31) is formed in the fixed plate (12), the guide rod (3) penetrates through the through hole (31) to be connected with the fixed plate (12) in a sliding mode, and the guide rod (3) is parallel to the axis of the screw rod; the length of the guide rod (3) and the length of the lead screw (11) are not less than the axial length of the gear (15).

3. The stepless speed regulating door operator according to claim 1, characterized in that: the speed regulation mechanism (4) is further included, and the speed regulation mechanism (4) is used for regulating the output rotating speed of the gear (15).

4. A stepless speed regulating door operator according to claim 3, characterized in that: the speed regulating mechanism (4) comprises a driving wheel (41), a driven wheel (42), a driven shaft (43) and a transmission belt (44); the driving wheel (41) and the driven wheel (42) have the diameter changing function, the driving shaft is arranged on an output shaft of the speed reducer (14), the driven shaft (43) is rotatably connected to the base (1) and parallel to the output shaft of the speed reducer (14), the driven wheel (42) is arranged on the driven shaft (43), and the transmission belt (44) is arranged on the driving wheel (41) and the driven wheel (42).

5. The stepless speed regulation door opener according to claim 4, is characterized in that: the driving wheel (41) comprises a first wheel disc (5) and a second wheel disc (51), supporting rods (52) are fixedly arranged on opposite surfaces of the first wheel disc (5) and the second wheel disc (51), locking rings (53) are fixedly connected to end portions of the supporting rods (52), the supporting rods (52) of the first wheel disc (5) and the second wheel disc (51) are arranged in a crossed mode, the first wheel disc (5) is fixedly connected to an output shaft of the speed reducer (14), and the second wheel disc (51) is slidably connected to the output shaft of the speed reducer (14).

6. The stepless speed regulating door operator according to claim 5, characterized in that: the disc surfaces of the first wheel disc (5) and the second wheel disc (51) are in conical surface-shaped structures, and the cone angle of the surface of the first wheel disc (5) is the same as that formed by the support rods (52) on the second wheel disc (51).

7. The stepless speed regulating door operator according to claim 6, characterized in that: the output shaft of the speed reducer (14) is fixedly provided with a key block (6), and the disc surface of the second wheel disc (51) is provided with a key groove (61) for clamping the key block (6).

8. The stepless speed regulating door operator according to claim 6, characterized in that: a bracket (7) is arranged on the base (1), and an adjusting rod (71) is connected on the bracket (7) in a sliding manner; the outer surface of the second wheel disc (51) is fixedly connected with a fixing ring (73), the end part of the adjusting rod (71) is fixedly connected with an adjusting plate (72), and the adjusting rod (71) is rotatably connected with the fixing ring (73); the base (1) is provided with a fixing device (8) for positioning the adjusting rod (71).

9. A stepless speed regulating door operator according to claim 3, characterized in that: the speed regulating mechanism (4) comprises a frequency converter (9), and the output end of the frequency converter (9) is connected to the wiring end of the motor (13).

10. The stepless speed regulating door operator according to claim 9, characterized in that: a signal receiver (91) is arranged on the frequency converter (9), and a signal transmitter (92) is arranged on the signal receiver in a matched manner; and the signal transmitter (92) is used for remotely starting and stopping the frequency converter (9).