阅读说明：本技术 一种用于大门开闭的自动门脚轮 (Automatic door caster for opening and closing door ) 是由 汤何钢 于 2018-07-07 设计创作，主要内容包括：一种用于大门开闭的自动门脚轮,包括安装基板,其特征在于：所述安装基板上通过电机支架安装有齿轮变速箱,所述齿轮变速箱输入端安装有驱动电机,所述齿轮变速箱输出端固联有主动轮,所述主动轮通过一个同步带减速系统将动力输送给同步轮五,所述同步轮五安装在驱动轴上且能沿驱动轴的轴向方向运动,所述驱动轴下部连接到蜗轮蜗杆减速箱的输入端,所述蜗轮蜗杆减速箱安装在直线滑块上,所述直线滑块嵌套在竖直安装的直线导轨上,所述直线导轨安装在安装基板上,在蜗轮蜗杆减速箱和盖板二之间的驱动轴上嵌套有复位弹簧,所述蜗轮蜗杆减速箱的输出轴两端设置有转动轮。(The utility model provides an automatic door truckle for gate switching, includes mounting substrate, its characterized in that: the mounting base plate is provided with a gear box through a motor support, the input end of the gear box is provided with a driving motor, the output end of the gear box is fixedly connected with a driving wheel, the driving wheel transmits power to a fifth synchronizing wheel through a synchronous belt speed reducing system, the fifth synchronizing wheel is mounted on a driving shaft and can move along the axial direction of the driving shaft, the lower portion of the driving shaft is connected to the input end of a worm gear reduction box, the worm gear reduction box is mounted on a linear sliding block, the linear sliding block is nested on a vertically mounted linear guide rail, the linear guide rail is mounted on the mounting base plate, a reset spring is nested on the driving shaft between the worm gear reduction box and a cover plate II, and two ends of the output shaft of the worm gear.)

1. An automatic door truckle for gate opening and closing, includes mounting substrate (1), its characterized in that: the gear transmission case is characterized in that a gear transmission case (3) is installed on the installation substrate (1) through a motor support (2), a driving motor (4) is installed at the input end of the gear transmission case (3), the output end of the gear transmission case (3) is fixedly connected with a driving wheel (5), the driving wheel (5) transmits power to a fifth synchronizing wheel (7) through a synchronous belt speed reducing system (6), the fifth synchronizing wheel (7) is installed on a driving shaft (8) and can move along the axial direction of the driving shaft (8), the lower part of the square section at the upper part of the driving shaft (8) is a circular section, a first rectangular groove (8.1) is inwards arranged on each side of the square section, the fifth synchronizing wheel (7) is installed on the driving shaft (8) through a second rectangular groove (7.1), a second rectangular groove (7.2) and the first rectangular groove (8.1) are outwards arranged, and a square groove (78) is relatively formed in the positions, a first steel ball (9) with the width equal to that of the first rectangular groove (8.1) and the second rectangular groove (7.1) is arranged in the square groove (78), a first cover plate (10) and a second cover plate (11) are respectively arranged on the upper plane and the lower plane of the fifth synchronizing wheel (7), a first annular groove (7.3) and a second annular groove (7.4) with rectangular cross sections are respectively arranged on the upper plane and the lower plane of the fifth synchronizing wheel (7), cylindrical bars (12) are arranged in the first annular groove (7.3) and the second annular groove (7.4), the depth of the first annular groove (7.3) and the second annular groove (7.4) is half of the height of the cylindrical bars (12), the other half of the cylindrical bars (12) is limited by a first vertical support (13) and a second vertical support (14) which are arranged on the mounting base plate (1), a third annular groove (13.2) and a fourth annular groove (14.2) are arranged on the first vertical support (13) and the second vertical support (14), the vertical support I (13) and the vertical support II (14) are respectively provided with a round hole I (13.1) and a round hole II (14.1), the lower part of the driving shaft (8) is connected to the input end of a worm and gear reduction box (15), the worm and gear reduction box (15) is installed on a linear sliding block (16), the linear sliding block (16) is nested on a vertically installed linear guide rail (17), the linear guide rail (17) is installed on the installation base plate (1), a return spring (18) is nested on the driving shaft (8) between the worm and gear reduction box (15) and the cover plate II (11), and rotating wheels (19) are arranged at two ends of an output shaft of the worm and gear reduction box (15).

2. An automatic door caster for opening and closing a gate as claimed in claim 1, wherein: a locking block (21) is installed on the square cross section of the upper portion of the driving shaft (8) through a first bolt (20), when the first bolt (20) is screwed down, the locking block (21) can be fixedly connected to the driving shaft (8), and a controller (22) is further installed on the installation base (1).

Technical Field

The invention relates to the technical field of security facilities, in particular to an automatic door caster for opening and closing a door.

Background

At present, a hydraulic push rod or a mechanical push rod is generally adopted for opening or closing a vertical hinged door rotating around a door edge hinge shaft at home and abroad. The push rod device is usually that one end is installed in the position department that the door limit is close to the hinge pivot, and the other end is installed on the wall body that closes on mutually with the hinge pivot, leans on the flexible close and open of drive vertical hinged door of level of push rod, because push rod device's theory of operation, has decided push rod device and has had following shortcoming: the power loss is big, the cost is high, area is big, it is difficult to find appropriate mounted position, and the door is to the reaction force of push rod, through lever principle and amplified several times or tens of times, make the push rod device fragile, it is inconvenient to maintain, and hydraulic means oil leak easily, can not popularize the use, also there is corresponding product at present and directly adorns the wheel in the outside bottom of door, nevertheless to the uneven ground of height, do not have corresponding product can realize the automatic switching of door on this kind of ground.

Disclosure of Invention

The invention provides an automatic door caster for opening and closing a door, aiming at the problems in the prior art.

The invention adopts the following technical scheme: the utility model provides an automatic door truckle for gate switching, includes mounting substrate, its characterized in that: the mounting base plate is provided with a gear box through a motor support, the input end of the gear box is provided with a driving motor, the output end of the gear box is fixedly connected with a driving wheel, the driving wheel transmits power to a fifth synchronizing wheel through a synchronous belt speed reducing system, the fifth synchronizing wheel is mounted on a driving shaft and can move along the axial direction of the driving shaft, the lower part of the square section at the upper part of the driving shaft is a circular section, a first rectangular groove is inwards arranged on each side of the square section, the fifth synchronizing wheel is mounted on the driving shaft through the square groove, a second rectangular groove is outwards arranged on the square groove, the second rectangular groove and the first rectangular groove are oppositely arranged to form a square groove, a first steel ball with the width equal to that of the first rectangular groove and the second rectangular groove is mounted in the square groove, and a first cover plate and a second cover plate are respectively mounted on the upper plane and the lower, the upper plane and the lower plane of the fifth synchronizing wheel are respectively provided with a first annular groove and a second annular groove which are rectangular in cross section, cylindrical strips are arranged in the first annular groove and the second annular groove, the depth of the first annular groove and the second annular groove is half of the height of the cylindrical strips, the other half of the cylindrical strips are limited by a first vertical support and a second vertical support which are arranged on a mounting substrate, a third annular groove and a fourth annular groove are arranged on the first vertical support and the second vertical support, a first round hole and a second round hole are respectively arranged on the first vertical support and the second vertical support, the lower part of a driving shaft is connected to the input end of a worm gear reduction box, the worm gear reduction box is arranged on a linear sliding block, the linear sliding block is embedded on a vertically-arranged linear guide rail, the linear guide rail is arranged on the mounting substrate, and a reset spring is embedded on, and rotating wheels are arranged at two ends of an output shaft of the worm gear reduction box.

Further, the synchronous belt speed reducing system comprises a third vertical support and a fourth vertical support which are horizontally arranged on the mounting substrate, the third vertical support is positioned at the upper part of the fourth vertical support, a first transition shaft and a second transition shaft are arranged on the third vertical support and the fourth vertical support from left to right through bearings, a fourth synchronous wheel and a third synchronous wheel are fixedly connected to the first transition shaft, a second synchronous wheel and a first synchronous wheel are fixedly connected to the second transition shaft, the circumferential diameter of the fourth synchronous wheel is smaller than that of the fifth synchronous wheel, the circumferential diameter of the fourth synchronous wheel is smaller than that of the third synchronous wheel, the circumferential diameter of the third synchronous wheel is larger than that of the second synchronous wheel, the circumferential diameter of the second synchronous wheel is smaller than that of the first synchronous wheel, the circumferential diameter of the first synchronous wheel is larger than that of the driving wheel, the driving wheel is connected with the first synchronous wheel through the first synchronous belt, and the third synchronous wheel is connected, the fourth synchronizing wheel is connected with the fifth synchronizing wheel through a third synchronizing belt.

Furthermore, a locking block is installed on the square cross section of the upper portion of the driving shaft through a first bolt, after the first bolt is screwed down, the locking block can be fixedly connected to the driving shaft, and a controller is further installed on the installation substrate.

Furthermore, the lower part of the mounting substrate is provided with an electromagnetic valve vertical to the horizontal plane, a movable rod of the electromagnetic valve can be inserted into the ground, the movable rod is provided with a handle, and the mounting substrate is provided with two blocks of upper and lower mounting rectangular bulges which can clamp the column handle.

Furthermore, two limit sensors are arranged at the position of the hinge shaft of the door.

Further, a cover plate is mounted on the mounting substrate.

The speed of the driving motor can be reduced for the first time through the gear box, the speed can be reduced for the third time through the synchronous belt I, the synchronous belt II and the synchronous belt III, and finally the speed can be reduced for the fourth time through the worm gear reduction box, so that the torque of the driving motor is increased to be large enough to drive the whole door, the whole worm gear reduction box and the driving shaft can move up and down in the synchronous wheel V, the pressing force on the ground is provided through the reset spring, the ground gripping force of the driving wheel is still ensured when the driving wheel moves up and down, the current situation that the driving wheel is not suitable for uneven ground in the prior art is solved, and the.

Drawings

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

FIG. 2 is a schematic view of the internal mounting substrate of the present invention with some of its features removed

FIG. 3 is a schematic view of the upper structure of the synchronizing wheel of the present invention

FIG. 4 is an internal structure view at a drive shaft of the present invention

FIG. 5 is a schematic view of the state of use of the present invention

Detailed Description

The invention is described in further detail below with reference to the following detailed description and accompanying drawings: as shown in fig. 1 and 2 and fig. 3 and 4 and 5, an automatic door caster for opening and closing a gate includes a mounting base plate 1, and is characterized in that: the mounting base plate 1 is provided with a gear box 3 through a motor support 2, the input end of the gear box 3 is provided with a driving motor 4, the output end of the gear box 3 is fixedly connected with a driving wheel 5, the driving wheel 5 transmits power to a fifth synchronizing wheel 7 through a synchronous belt speed reducing system 6, the fifth synchronizing wheel 7 is mounted on a driving shaft 8 and can move along the axial direction of the driving shaft 8, the lower part of the square section at the upper part of the driving shaft 8 is a circular section, a rectangular groove I8.1 is inwards arranged at each side of the square section, the fifth synchronizing wheel 7 is mounted on the driving shaft 8 through a square groove 7.1, a rectangular groove II 7.2 is outwards arranged in the square groove 7.1, a square groove 78 is formed by the positions of the rectangular groove II 7.2 and the rectangular groove I8.1 relatively, and a steel ball 9 with the width equal to the widths of the rectangular groove I8.1 and the rectangular groove II 7.1 is mounted in the square groove 78, thus, under the rolling action of the first steel balls 9, the driving shaft 8 can move up and down in the fifth synchronizing wheel 7, the fifth synchronizing wheel 7 can drive the driving shaft 8 to rotate together when rotating, the first cover plate 10 and the second cover plate 11 are respectively arranged on the upper plane and the lower plane of the fifth synchronizing wheel 7, the first cover plate 10 and the first cover plate 11 can prevent the first steel balls 9 from falling out of the square grooves 78, the upper plane and the lower plane of the fifth synchronizing wheel 7 are respectively provided with a first annular groove 7.3 and a second annular groove 7.4 with rectangular cross sections, cylindrical bars 12 are arranged in the first annular groove 7.3 and the second annular groove 7.4, the cylindrical bars 12 are used for ensuring that the fifth synchronizing wheel 7 can rotate in place and transmitting power to the driving shaft 8, the depth of the first annular groove 7.3 and the second annular groove 7.4 is half of the height of the cylindrical bars 12, and the other half of the cylindrical bars 12 are limited by a first vertical support 13 and a second vertical support 14 which are, the vertical support I13 and the vertical support II 14 are provided with a third annular groove 13.2 and a fourth annular groove 14.2, the vertical support I13 and the vertical support II 14 are respectively provided with a first circular hole 13.1 and a second circular hole 14.1, the lower part of the driving shaft 8 is connected to the input end of a worm gear reduction box 15, the worm gear reduction box 15 is installed on a linear sliding block 16, the linear sliding block 16 is embedded on a vertically installed linear guide rail 17, the linear guide rail 17 is installed on the installation base plate 1, a return spring 18 is embedded on the driving shaft 8 between the worm gear reduction box 15 and the cover plate II 11, and two ends of an output shaft of the worm gear reduction box 15 are provided with rotating wheels 19.

The synchronous belt speed reducing system 6 comprises a vertical support III 6.1 and a vertical support IV 6.2 which are horizontally arranged on the mounting base plate 1, the vertical support III 6.1 is positioned at the upper part of the vertical support IV 6.2, a transition shaft I6.4 and a transition shaft II 6.5 are arranged on the vertical support III 6.1 and the vertical support IV 6.2 from left to right through a bearing 6.3, a synchronous wheel IV 6.12 and a synchronous wheel III 6.6 are fixedly connected on the transition shaft I6.4, a synchronous wheel II 6.7 and a synchronous wheel I6.8 are fixedly connected on the transition shaft II 6.5, the circumferential diameter of the synchronous wheel IV 6.12 is smaller than that of the synchronous wheel V7, the circumferential diameter of the synchronous wheel IV 6.12 is smaller than that of the synchronous wheel III 6.6, the circumferential diameter of the synchronous wheel III 6.6 is larger than that of the synchronous wheel II 6.7, the circumferential diameter of the synchronous wheel II 6.7 is smaller than that of the synchronous wheel I6.8, the synchronous wheel I6.8 is larger than that of the synchronous wheel II, the driving wheel 5 is connected with the synchronous belt 5 through a synchronous wheel 6., the third synchronizing wheel 6.6 is connected with the second synchronizing wheel 6.7 through the second synchronizing belt 10, and the fourth synchronizing wheel 6.12 is connected with the fifth synchronizing wheel 7 through the third synchronizing belt 6.11, so that the circumferential diameter of the synchronizing wheel at the back of each synchronizing belt is larger than that of the synchronizing wheel at the front, and the effect of moment amplification can be achieved.

A locking block 21 is installed on the square cross section of the upper portion of the driving shaft 8 through a first bolt 20, when the first bolt 20 is screwed down, the locking block 21 can be fixedly connected to the driving shaft 8, a controller 22 is further installed on the installation base 1, and after the locking block 21 is screwed down through the first bolt 20, the driving shaft 8 can be prevented from falling out of the fifth synchronizing wheel 7 under the action of the reset spring 18.

The lower part of the mounting substrate 1 is provided with an electromagnetic valve 23 vertical to the horizontal plane, a movable rod 23.1 of the electromagnetic valve 23 can be inserted into the ground, a handle 23.2 is arranged on the movable rod 23.2, and two upper and lower mounting rectangular bulges 1.1 capable of clamping the handle 23.2 are arranged on the mounting substrate 1.

Two limit sensors 24 are provided at the hinge shaft position of the door 30, and a cover plate 25 is further mounted on the mounting base plate 1.

The first cover plate 10 and the second cover plate 11 can be fixed on the upper plane and the lower plane of the fifth synchronizing wheel 7 through second bolts 26.

The invention should work as follows:

when the opening and closing function is used, the rotating wheel 19 is supported by the ground, so that the locking block 21 is higher than the cover plate 10 by a certain height.

When the door opening 30 is instructed:

before the driving motor 4 is started, the movable rod 23.1 of the electromagnetic valve 23 is inserted into the ground, after the movable rod 23.1 is electrified along with the electromagnetic valve 23 at first, the movable rod 23.1 returns, the driving motor 4 starts to rotate in the forward direction, power is subjected to five-time speed reduction through the gear transmission case 3, the synchronous belt one 6.8, the synchronous belt two 6.10, the synchronous belt three 6.11 and the worm gear reduction box 15 to achieve torque maximization, because the rotating wheel 19 and the worm gear reduction box 15 can move up and down on the linear guide rail 17 and are under the elastic force action of the return spring 18, when the ground is uneven, the rotating wheel 19 can automatically adapt to the height of the ground, after the limit sensor 24 for opening the door detects that the driving motor 4 stops rotating, the electromagnetic valve 23 loses power, and the movable rod 23.1 is inserted into the ground to achieve opening of.

When a door 30 is closed:

at first, after the movable rod 23.1 is electrified along with the electromagnetic valve 23, the movable rod 23.1 retracts, the driving motor 4 starts to rotate reversely, after the limit sensor 24 for closing the door detects that the driving motor 4 stops rotating, the electromagnetic valve 23 is powered off, and the movable rod 23.1 is inserted into the ground to close the door 30.

When the automatic opening and closing function is not used:

the whole device can be manually pushed upwards, then the first bolt 20 is loosened, the whole locking block 21 is moved downwards, then the first bolt 20 is locked, at the moment, the locking block 21 is limited by the first cover plate 10, and the manual opening and closing of the door 30 can be realized by clamping the manual control handle 23.2 between the two rectangular bulges 1.1.

The scope of the present invention includes, but is not limited to, the above embodiments, and the present invention is defined by the appended claims, and any alterations, modifications, and improvements that may occur to those skilled in the art are all within the scope of the present invention.