TWM611055U - Electric rolling door drive unit with up and down stroke position sensing function - Google Patents

Abstract

An electric rolling door drive group with up and down stroke position sensing function is provided with a base plate, a transmission plate, a motor, a first idler wheel, a second idler wheel and a stroke sensor, and the transmission plate is pivotally connected to the base plate On the rear side, the motor and the clutch are arranged on the front side of the base plate, and the internal gear ring of the transmission plate is driven by the meshing of the transmission gear. The first idler gear and the second idler each mesh and follow the internal gear ring of the transmission plate, and the second idler The rotating shaft of the wheel is pivoted forward and positioned on the base plate, and the front end of the rotating shaft is provided with a stroke sensing object, and the stroke sensor is fixed on the front side of the base plate to sense the rotation of the object at the front end of the shaft. Control the upper and lower stroke position of the rolling door to make the door stop at the upper limit or lower limit.

Description

Electric rolling door drive unit with up and down stroke position sensing function

This creation is related to the field of electric rolling doors, especially an electric rolling door drive unit with up and down stroke position sensing function.

Press, the electric rolling door is composed of a plurality of door element units pivotally connected to each other to form a rolling door. The rolling door is wound on the reel of the main shaft, and the reel is connected with the motor through the transmission group, when the motor drives the reel to rotate At the time, the roller is used to drive the rolling door sheet to move up and down, so that the rolling door can be opened and closed.

The electric rolling door must cooperate with the upper and lower limit position sensing device to automatically stop at the upper and lower limit positions of the ascending and descending stroke. The current upper and lower limit position sensing devices can be divided into mechanical switch methods, optical sensing methods, and magnetic pole angle sensing methods. However, the installation and adjustment methods of mechanical switches are more complicated, the service life is shorter, and the positioning accuracy is poor, while the optical sensing method And the magnetic pole angle sensing method must be equipped with a driven gear, a driven shaft, a shaft seat, and a stroke sensor, which complicates the structure and increases the cost. Therefore, how to solve the above-mentioned problems is the subject of urgent research by the relevant industry.

The main purpose of this creation is that the base plate cooperates with the first idler wheel and the second idler wheel. The same supports the stable operation of the drive disc, and the front end of the second idler shaft is equipped with a stroke sensing object. The stroke sensor is used to immediately sense the rotation of the front end of the shaft, and the upper and lower stroke positions of the rolling door are correspondingly controlled to make the door panel Stop at the upper limit or lower limit.

Another purpose of this creation is that the base plate is combined with a metal reinforcing plate inside the plastic plate body to improve the structural strength and durability, and the motor and clutch can be quickly assembled on the front side of the base plate and can be used from the front side of the base plate. Direct disassembly, assembly and overhaul, which saves manpower and man-hours.

In order to achieve the above-mentioned purpose, the electric rolling door drive unit with the function of up and down stroke position sensing is composed of a base plate, a drive plate, a motor, a first idler wheel, a second idler wheel, and a stroke sensor. Among them: The base plate is provided with a shaft hole separating a center hole from the side; the transmission plate is located on the rear side of the base plate, and the transmission plate is provided with a central hole whose shaft is pivotally connected to the base plate, and internal teeth are provided on the side of the transmission plate Ring; the motor is located on the front side of the base plate, the motor is connected with a clutch, the clutch is connected with a transmission shaft extending backwards from the base plate, and the transmission shaft engages with a transmission gear to drive the inner gear ring of the transmission plate; the first idler pivot A fixed shaft is connected, and the front end of the fixed shaft is fixed to the base plate. The first idler gear engages and is driven by the inner gear ring of the transmission plate; the second idler gear is fixedly provided with a rotating shaft, and the rotating shaft is pivotally connected forward and positioned at The base plate corresponds to the shaft hole, the second idler gear engages and driven by the inner gear ring of the transmission plate, and the front end of the rotating shaft is linked with a stroke sensing object; the stroke sensor is fixed on the front side of the base plate, and the stroke is sensed The device is used to sense the rotation of the object at the front end of the rotating shaft to correspondingly control the upper and lower stroke positions of the rolling door, so that the door panel stops at the upper limit or the lower limit.

In the aforementioned electric rolling door drive assembly, the base plate is set as a plastic plate body, and the plastic plate body is combined with a metal reinforcing plate.

In the aforementioned electric rolling door drive assembly, the base plate is fixedly provided with a plurality of bolts protruding forward, the outer periphery of the clutch is provided with a fixing hole sleeved on each bolt, and the clutch is locked with a nut for positioning at the end of each bolt.

In the aforementioned electric rolling door drive assembly, the shaft hole of the base plate is pivotally supported by the corresponding rotating shaft, and the rotating shaft is provided with a positioning buckle.

In the aforementioned electric rolling door drive assembly, the stroke sensor has a base and a sensing module, the object at the front end of the rotating shaft is provided with a magnetic pole, the sensing module is arranged on the base, and the sensing module faces the magnetic pole, and the motor The inner gear ring of the transmission disc is driven by the clutch and the transmission gear to drive the door plate to go up or down, and the inner gear ring drives the first idler gear and the second idler gear, and the second idler gear, the rotating shaft and the magnetic pole rotate together , So that the sensing module can sense the rotation angle of the magnetic pole.

In the aforementioned electric rolling door drive assembly, the sensing module is an absolute position potentiometer for sensing the number of turns and the angle of rotation of the magnetic pole.

1: Base plate

11: Plastic disc body

12: Center hole

13: Metal reinforcement disc

14: Shaft hole

15: Bolt

151: Bolt head

16: fixing hole

17: Pivot

2: drive plate

21: Internal gear ring

22: Shaft

23: fasteners

3: motor

31: Clutch

32: drive shaft

33: Transmission gear

34: operating handle

35: fixed hole

36: Nut

4: The first idler

41: fixed shaft

5: Second idler

51: shaft

52: Object

53: positioning buckle

54: Magnetic pole

6: Stroke sensor

61: Pedestal

62: Sensing module

63: fixed part

64: circuit board

65: fixed hole

66: Bolt

7: Rolling door

71: Door Panel

72: fixed frame

73: Door Track

The first picture is a schematic diagram of the original creation of the electric rolling door drive group driving the door panel up to the upper limit.

The second picture is a schematic diagram of the original creation of the electric rolling door driving group driving the door panel down to the lower limit.

The third picture is a three-dimensional view of the driving group of the electric rolling door.

The fourth figure is a three-dimensional exploded view of the drive unit and travel sensor of this creative electric rolling door.

The fifth picture is a three-dimensional exploded view of the drive group and drive plate of the electric rolling door of this creation.

The sixth picture is a three-dimensional exploded view of the drive group and drive plate of the original creation from another perspective .

The seventh figure is a cross-sectional view of the drive assembly of the electric rolling door of this creation along the drive disc and the inner gear ring.

The eighth figure is a cross-sectional view of a part of the base plate of the electric rolling door drive unit, the second idler pulley and the stroke sensor of this creation.

Regarding the technical means used in this creation to achieve the above-mentioned purpose and its effects, feasible embodiments are given here, and the illustrations are explained as follows:

First of all, please refer to the first to eighth figures. It can be clearly seen from the figures that the electric rolling door drive unit of this invention mainly has the function of sensing the up and down stroke position, and the electric rolling door drive unit is provided with a base plate 1 , The drive plate 2, the motor 3, the first idler 4, the second idler 5 and the stroke sensor 6 to drive and control the door panel 71 of the rolling door 7 to rise and fall along the door rail 73 (refer to the first and second Figure), where:

The base plate 1 is set as a plastic plate body 11, and a metal reinforcing plate 13 is combined inside the plastic plate body 11 (see figure 8) to improve the structural strength and durability. The base plate 1 is provided with a center hole 12, And the side is separated from the shaft hole 14 (refer to the eighth figure) and the fixing hole 16 (refer to the fourth and sixth figures), the base plate 1 is fixed with a plurality of bolts 15 extending forward, and the plastic plate body 11 is fixed and combined with the bolt head 151 (refer to Figures 6 and 7), and the front side of the base plate 1 is provided with a support shaft 17 fixed on the fixing frame 72 of the rolling door 7.

The transmission disc 2 is located on the rear side of the base disc 1. The transmission disc 2 is provided with a shaft 22 pivotally connected to the central hole 12 of the base disc 1, and is positioned in conjunction with a fastener 23 (see the first figure), and the transmission disc 2 is in front An internal gear ring 21 is provided on the side.

The motor 3 is located on the front side of the base plate 1, and the motor 3 is connected with a clutch 31. The gear 31 is connected to the drive shaft 32 extending backward from the base plate 1, and then cooperates with the operating handle 34 to perform the clutch action, so that the drive shaft 32 engages with the drive gear 33 to drive the inner gear ring 21 of the drive plate 2, and the clutch 31 is provided on the outer periphery There is a fixing hole 35 that is sleeved in each bolt 15 (refer to the fourth figure), and the clutch 31 is locked with a nut 36 at the end of each bolt 15 for positioning, so that the motor 3 and the clutch 31 can be quickly assembled on the front side of the base plate 1. It can also be directly disassembled, assembled and overhauled from the front side of the base plate 1, which saves manpower and man-hours.

The first idler 4 is pivotally connected to a fixed shaft 41 (refer to Figures 6 and 7), and the front end of the fixed shaft 41 is fixed to the base plate 1, and the first idler 4 meshes with the inner gear ring 21 of the drive plate 2 .

The second idler gear 5 is fixedly provided with a rotating shaft 51 (refer to Figures 4 to 8), and the rotating shaft 51 is pivotally connected forwards and passes through the corresponding shaft hole 14 of the base plate 1 so that the shaft hole 14 is pivotally supported by the corresponding shaft 51, and the rotating shaft 51 is provided with a positioning buckle 53, the second idler gear 5 also engages with the internal gear ring 21 driven by the transmission disc 2, and a coordinated stroke sensing object 52 is interlockedly provided at the front end of the rotating shaft 51, and the rotating shaft 51 The object 52 at the front end is provided with magnetic poles 54, and the base disk 1 cooperates with the first idler 4 and the second idler 5 to jointly support the drive disk 2 to run stably.

The stroke sensor 6 has a base 61 and a sensing module 62 (refer to the eighth figure). The base 61 is fixed on the front side of the base plate 1, and a bolt 66 passes through the fixing hole 65 (refer to the fourth figure), It is then locked in the relative fixing hole 16 of the base plate 1, and the sensing module 62 and the circuit board 64 are disposed in the fixing portion 63 of the base 61, and the sensing module 62 faces the magnetic pole 54 for sensing The front end of the rotating shaft 51 rotates the object 52 and the magnetic pole 54, and the sensing module 62 can be an absolute position potentiometer, except for sensing the rotation angle of the magnetic pole 54 It can also be used to sense the number of turns of the magnetic pole 54 to control the upper and lower stroke positions of the rolling door 7 so that the door panel 71 stops at the upper limit or the lower limit.

Please refer to Figures 1, 3, 7 and 8, when the door panel 71 is ascending, the motor 3 drives the inner gear ring 21 of the transmission disc 2 via the clutch 31 and the transmission gear 33 to drive the door panel 71 to perform an ascent stroke. And the inner gear ring 21 drives the first idler 4 and the second idler 5, and the second idler 5, the rotating shaft 51, the object 52 and the magnetic pole 54 rotate together, so that the sensing module 62 senses the rotation angle of the magnetic pole 54 When the sensing module 62 senses that the magnetic pole 54 rotates to the upper limit rotation number, upper limit rotation angle or upper limit stroke, the motor 3 is immediately controlled to stop driving the door panel 71 to rise, and the door panel 71 is stopped at the upper limit position.

Please refer to the second, third, seventh and eighth pictures. When the door panel 71 is descending, the motor 3 drives the inner gear ring 21 of the transmission disc 2 through the clutch 31 and the transmission gear 33 to drive the door panel 71 to descend. And the inner gear ring 21 drives the first idler 4 and the second idler 5, and the second idler 5, the rotating shaft 51, the object 52 and the magnetic pole 54 rotate together, so that the sensing module 62 senses the rotation angle of the magnetic pole 54 When the sensing module 62 senses that the magnetic pole 54 rotates to the lower limit rotation number, lower limit rotation angle or lower limit stroke, it will immediately control the motor 3 to stop driving the door panel 71 to descend and stop the door panel 71 at the lower limit.

The above examples are only for the convenience of explaining the creation, but not to limit it. Without departing from the spirit of the creation, the various simple changes and modifications that can be made by those who are familiar with this industry should still be included in the following patent applications. In the range.

1: Base plate

11: Plastic disc body

12: Center hole

151: Bolt head

16: fixing hole

2: drive plate

21: Internal gear ring

22: Shaft

3: motor

31: Clutch

32: drive shaft

33: Transmission gear

34: operating handle

4: The first idler

41: fixed shaft

5: Second idler

51: shaft

66: Bolt

Claims (6)

An electric rolling door drive assembly with up and down stroke position sensing function, which includes a base plate, a transmission plate, a motor, a first idler wheel, a second idler wheel and a stroke sensor, wherein: The base plate is provided with a central hole and a shaft hole separated from the side; The transmission disk is located on the back side of the base disk, the transmission disk is provided with a shaft part pivotally connected to the center hole of the base disk, and an internal gear ring is provided on the side of the transmission disk; The motor is located on the front side of the base plate, the motor is connected with a clutch, and the clutch is connected with a transmission shaft extending back from the base plate, and the transmission shaft engages with a transmission gear to drive the inner gear ring of the transmission plate; The first idler gear is pivotally connected with a fixed shaft, and the front end of the fixed shaft is fixed to the base plate, and the first idler gear engages and drives the inner gear ring of the drive plate; The second idler is fixedly provided with a rotating shaft, and the rotating shaft is pivotally connected forward and penetrates the corresponding shaft hole positioned on the base plate. The second idler meshes with the inner gear ring of the drive plate, and the front end of the rotating shaft is linked with a mating stroke Objects for sensing; The travel sensor is fixed on the front side of the base plate, and the travel sensor is used to sense the rotation of the object at the front end of the rotating shaft to correspondingly control the upper and lower travel positions of the rolling door, so that the door panel stops at the upper limit or the lower limit. As described in item 1 of the scope of patent application, the electric rolling door drive unit with up and down stroke position sensing function, wherein the base plate is set as a plastic plate body, and the plastic plate body is internally integrated There are metal reinforcement discs. As described in item 1 of the scope of patent application, the electric rolling door drive unit with up and down stroke position sensing function, wherein the base plate is fixed with a plurality of bolts extending forward, and the outer periphery of the clutch is provided with a sleeve between each bolt In the fixing hole, the clutch is locked with a nut for positioning at the end of each bolt. As described in the first item of the scope of patent application, the electric rolling door driving unit with the function of up and down stroke position sensing, wherein the shaft hole of the base plate is pivotally supported by the corresponding rotating shaft, and the rotating shaft is provided with a positioning buckle. As described in the first item of the scope of patent application, the electric rolling door driving group with the function of up and down stroke position sensing, wherein the stroke sensor has a base and a sensing module, the object at the front end of the rotating shaft is provided with a magnetic pole, and the sensing mode The assembly is set on the base, and the sensing module faces the magnetic poles. The motor drives the inner gear ring of the transmission plate through the clutch and the transmission gear to drive the door plate to go up or down, and the inner gear ring drives the first idler and The second idler, and the second idler, the rotating shaft and the magnetic pole rotate together, so that the sensing module senses the rotation angle of the magnetic pole. As described in item 5 of the scope of patent application, the electric rolling door driving group with up and down stroke position sensing function, wherein the sensing module is an absolute position potentiometer for sensing the number of turns and the angle of rotation of the magnetic pole.

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