CN215485808U

CN215485808U - Trackless retractable door structure

Info

Publication number: CN215485808U
Application number: CN202121346638.2U
Authority: CN
Inventors: 杨鸣鸿
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-01-11
Anticipated expiration: 2031-06-17

Abstract

The utility model provides a trackless retractable door structure, which relates to the technical field of retractable door control and comprises a support, a planetary gear motor and a rotating wheel, wherein the planetary gear motor comprises a first motor and a second motor, the rotating wheel comprises a first rotating wheel connected with the support through a first shaft lever and a second rotating wheel connected with the support through a second shaft lever, an output shaft of the first motor is provided with a first gear, an output shaft of the second motor is provided with a second gear, the first shaft lever is provided with a third gear connected with the first gear, and the second shaft lever is provided with a fourth gear connected with the second gear. The utility model has simple structure, does not need to lay a guide rail of the telescopic door, can randomly adjust the running direction of the telescopic door, and also has high controllability by adopting the planetary speed-reducing motor of the telescopic door, thereby reducing the running speed of the telescopic door, preventing danger in trackless running, being further convenient to adjust the running direction of the telescopic door, having good stability and high safety.

Description

Trackless retractable door structure

Technical Field

The utility model relates to the technical field of retractable door control,

in particular, the utility model relates to a trackless retractable door structure.

Background

The electric retractable door is a door body which can be freely moved in a retractable manner to control the size of a door opening and control the interception and clearance of pedestrians or vehicles. The telescopic door is driven by a motor of the machine head driving part to drive the whole door body to stretch and retract.

The motor that the electronic flexible door in the existing market is mostly the aircraft nose drives and rotates the wheel rotation, rotates the wheel and rolls on the track and drive a body flexible, and electronic flexible door's aircraft nose motion, the tail is more weak to the fixed effect and the direction guide of aircraft nose, needs the track to carry on spacingly to the traffic direction of the whole flexible door body, for example chinese patent utility model patent CN112412319A relates to an anticollision electronic flexible door. The movable door frame is fixedly connected with a power machine head through a plurality of telescopic fixing strips and telescopic frames, limiting guide rails are arranged at the bottoms of the movable door frame, limiting blocks are arranged in the limiting guide rails, sliding blocks are arranged at the bottoms of the movable door frame and on the limiting blocks, limiting devices are arranged between the bottoms of the limiting guide rails, the bottoms of the limiting devices are connected with the ground, the limiting guide rails are arranged in grooves in the ground, and a plurality of limiting strips are arranged on two sides of the bottom of each limiting guide rail; the lever structure resists the impact in the positive direction and the negative direction, plays a role in stabilizing and supporting, prevents the lifting and contracting door from deviating from the track, ensures the safety of the telescopic door, and effectively avoids the damage to the telescopic door caused by the extrusion of the vehicle due to the use of the limiting guide rail structure, thereby ensuring that the telescopic door can play a good anti-collision effect.

However, the above retractable door structure still has the following problems: the setting up of limit guide can cause the road surface unsmooth, can trip through the pedestrian, and limit guide's orbit just is fixed when just installing, and flexible door only can stretch out and draw back the operation according to the extending direction of designed limit guide, and motor's rotational speed is generally very fast, leads to flexible door functioning speed very fast, even if there is limit guide, the security of flexible operation also does not guarantee.

Therefore, in order to solve the above problems, it is necessary to design a trackless retractable door structure with reasonable efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a trackless retractable door structure which is simple in structure, does not need to lay a retractable door guide rail, adopts a double-machine head structure to respectively control the rotating speeds of rotating wheels at two sides of a machine head so as to enable the retractable door to be capable of randomly adjusting the running direction, and also adopts a planetary speed-reducing retractable door motor so as to enable the running speed of the retractable door to be reduced and the controllability to be high, thereby preventing dangers from occurring during trackless running, further facilitating the adjustment of the running direction of the retractable door, and having good stability and high safety.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:

a trackless retractable door structure comprises a support, a planetary gear motor arranged on the support and a rotating wheel connected with the planetary gear motor, wherein the planetary gear motor comprises a first motor and a second motor, the rotating wheel comprises a first rotating wheel connected with the support through a first shaft rod and a second rotating wheel connected with the support through a second shaft rod, a first gear is arranged on an output shaft of the first motor, a second gear is arranged on an output shaft of the second motor, a third gear connected with the first gear is arranged on the first shaft rod, and a fourth gear connected with the second gear is arranged on the second shaft rod.

Preferably, the first electric machine comprises a motor casing, a motor arranged in the motor casing, a primary planet wheel meshed with a shaft of the motor, a primary planet carrier connected with the primary planet wheel, and a secondary planet wheel connected with the primary planet carrier, wherein an output shaft of the first electric machine is connected with the secondary planet wheel; an outer gear ring sleeved outside the primary planet wheel and the secondary planet wheel is arranged in the motor shell; and the inner side of the outer gear ring is provided with meshing teeth which are used for being meshed with the primary planet wheel and the secondary planet wheel.

Preferably, the primary planet carrier comprises a disc, a first connecting column connected with the primary planet wheel is arranged on one side of the disc close to the primary planet wheel, a gear shaft connected with the secondary planet wheel is arranged on one side of the disc close to the secondary planet wheel, and a second connecting column connected with the secondary planet wheel is arranged on one side of an output shaft of the first motor close to the secondary planet wheel.

Preferably, the number of the primary planet wheels and the number of the secondary planet wheels are at least three.

Preferably, the third gear is connected to the first gear by a first chain, and the fourth gear is connected to the second gear by a second chain.

Preferably, the bracket is provided with a first bearing connected to the first shaft rod and a second bearing connected to the second shaft rod.

Preferably, the output shaft of the first motor is disposed at an end of the first motor remote from the second motor, and the output shaft of the second motor is disposed at an end of the second motor remote from the first motor.

Preferably, the number of the first shaft and the first rotating wheel is at least one; the number of the second shaft lever and the second rotating wheel is at least one.

Preferably, the carrier is provided with a motor holder for carrying the planetary reduction motor, the motor holder is provided with a first speed sensor for sensing a rotational speed of an output shaft of the first motor, a second speed sensor for sensing a rotational speed of an output shaft of the second motor, and a PLC controller, and the first speed sensor, the second speed sensor, the motor in the first motor, and the motor in the second motor are all electrically connected to the PLC controller.

Preferably, a buffer pad is disposed between the motor frame and the bracket.

The trackless retractable door structure has the beneficial effects that: simple structure need not to lay the flexible door guide rail, adopts the rotational speed of the rotating wheel of double-head structure control aircraft nose both sides respectively, makes the flexible door can adjust the traffic direction wantonly, still through the flexible door motor that adopts planetary reduction for the operating speed of flexible door reduces and the controllability is high, can be in order to prevent danger from appearing when the trackless operation, can also further be convenient for adjust the flexible door traffic direction, and stability is good, and the security is high.

Drawings

FIG. 1 is a perspective view of the overall structure of one embodiment of a trackless retractable door structure of the present invention;

FIG. 2 is a schematic view of a double planetary reduction configuration of a first motor in an embodiment of a trackless retractable door structure of the present invention;

FIG. 3 is a schematic view of a disassembled structure of a first motor in one embodiment of the trackless retractable door structure of the present invention;

in the figure: 1. the device comprises a support, 11, a motor frame, 2, a planetary gear motor, 21, a first motor, 211, a first gear, 212, a first planetary gear, 213, a first planetary carrier, 2131, a disc, 2132, a first connecting column, 2133, a gear shaft, 214, a second planetary gear, 215, an outer gear ring, 22, a second motor, 221, a second gear, 31, a first rotating wheel, 311, a first shaft rod, 312, a third gear, 32, a second rotating wheel, 321, a second shaft rod, 322, a fourth gear, 41, a first chain, 42 and a second chain.

Detailed Description

The following are specific examples of the present invention and further describe the technical solutions of the present invention, but the present invention is not limited to these examples.

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the modules and steps set forth in these embodiments and steps do not limit the scope of the utility model unless specifically stated otherwise.

Meanwhile, it should be understood that the flows in the drawings are not merely performed individually for convenience of description, but a plurality of steps are performed alternately with each other.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques, methods, and systems known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

The first embodiment is as follows: as shown in fig. 1 and 2, which are only one embodiment of the present invention, a trackless retractable door structure includes a support 1, a planetary gear motor 2 disposed on the support 1, and a rotating wheel connected to the planetary gear motor 2, where the planetary gear motor 2 includes a first motor 21 and a second motor 22, the rotating wheel includes a first rotating wheel 31 connected to the support 1 through a first shaft 311 and a second rotating wheel 32 connected to the support 1 through a second shaft 321, an output shaft of the first motor 21 is provided with a first gear 211, an output shaft of the second motor 22 is provided with a second gear 221, the first shaft 311 is provided with a third gear 312 connected to the first gear 211, and the second shaft 321 is provided with a fourth gear 322 connected to the second gear 221.

In the utility model, the machine head of the retractable door comprises a bracket 1, a motor arranged on the bracket 1 and a rotating wheel driven by the motor to rotate, wherein the motor is divided into a first motor 21 and a second motor 22 which are planetary gear motors, the rotating wheel is also divided into a first rotating wheel 31 driven by the first motor 21 and a second rotating wheel 32 driven by the second motor 22, here, the first rotary wheel 31 and the second rotary wheel 32 are respectively provided at both sides of the frame 1, but it is also understood that the first rotary wheel 31 is a left rotary wheel, the second rotary wheel 32 is a right rotary wheel, the rotating wheels on the left side and the right side are respectively controlled to rotate by a first motor 21 and a second motor 22, the rotating speeds of the two motors are the same, the telescopic door is linearly telescopic, the rotating speeds of the two motors are different, the curve of the telescopic door is telescopic, the telescopic guide rail is not required to be arranged, and the telescopic door can realize the realization of multiple operation directions under the control of the rotating speeds of the two motors.

Firstly, the structure of a support 1 is adopted, the support 1 is a headstock of a telescopic door, a fence door can be arranged above the support 1, and a motor and a rotating wheel are also fixedly arranged on the support 1.

Then, a planetary gear motor 2 is arranged, the planetary gear motor 2 comprises a first motor 21 and a second motor 22, and a double-machine-head mounting structure is adopted to respectively drive rotating wheels on two sides of the support 1 to rotate, so that the support 1 is guided to stretch and displace. And apply the planet to slow down the function in the flexible door structure, effectively utilize the planet to slow down the function and make the motor rotate at a high speed, the rotational speed of turning round reduces, is convenient for carry on the flexible operation control of flexible door.

Preferably, the output shaft of the first motor 21 is disposed at an end of the first motor 21 away from the second motor 22, and the output shaft of the second motor 22 is disposed at an end of the second motor 22 away from the first motor 21, that is, the two motors are disposed away from each other, and the two output shafts extend to two sides of the bracket 1 respectively for driving the rotating wheels at two sides of the bracket 1 respectively.

Then, the position of the rotating wheel is set, the rotating wheel comprises a first rotating wheel 31 connected with the bracket 1 through a first shaft rod 311 and a second rotating wheel 32 connected with the bracket 1 through a second shaft rod 321, and the bracket 1 is provided with a first bearing connected with the first shaft rod 311 and a second bearing connected with the second shaft rod 321. Here, the first shaft 311 is coaxially disposed and fixedly connected with the first rotating wheel 31, the first shaft 311 is mounted on the bracket 1 through a first bearing, and when the bracket 1 does not rotate, the first shaft 311 can drive the first rotating wheel 31 to rotate; similarly, the second shaft 321 is coaxially disposed with the second rotating wheel 32 and fixedly connected thereto, the second shaft 321 is mounted on the bracket 1 through a second bearing, and when the bracket 1 does not rotate, the second shaft 321 can drive the second rotating wheel 32 to rotate.

Finally, the motor is matched with the rotating wheel, a first gear 211 is arranged on the output shaft of the first motor 21, a second gear 221 is arranged on the output shaft of the second motor 22, a third gear 312 connected with the first gear 211 is arranged on the first shaft rod 311, and a fourth gear 322 connected with the second gear 221 is arranged on the second shaft rod 321.

Here, the third gear 312 is connected to the first gear 211 through a first chain 41, that is, the first gear 211 on the output shaft of the first motor 21 drives the first chain 41 to transmit, so as to drive the third gear 312 to rotate, and the first shaft 311 drives the first rotating wheel 31 to rotate; similarly, the fourth gear 322 is connected to the second gear 221 through the second chain 42, the second chain 42 is driven by the second gear 221 on the output shaft of the second motor 22 to transmit, so as to drive the fourth gear 322 to rotate, and the second shaft 321 drives the second rotating wheel 32 to rotate.

Of course, the number of the first shaft 311 and the first rotating wheel 31 is at least one; the number of the second shaft 321 and the second rotating wheel 32 is at least one. Generally, a plurality of rotating wheels are arranged on both sides of the bracket 1, each rotating wheel has its own shaft for connection, and when there are a plurality of first shafts 311, the first chain 41 sequentially bypasses the plurality of third gears 312 on the first shafts 311 and finally connects with the first gear 211; the second shaft 321 and the second rotating wheel 32 are also the same.

Finally, first motor 21 and second motor 22 are the planet gear motor, the rotational speed between two motors is also transmitted for two and is rotated the wheel after reducing, so the rotational speed difference between two motors has also been reduced just and has been transmitted for two and rotate the wheel, so to the rotation wheel between the rotation wheel of support 1 both sides the control poor more convenient, it is also more convenient that flexible door carries out the control that the traffic direction changes, and flexible door operation after the planet reduction, speed can not be very fast, carry out under the spacing condition at the guide rail that does not have to flexible door aircraft nose, can prevent effectively that to rotate the wheel and rotate and cause danger at the excessive speed, flexible door security is high.

The trackless retractable door structure is simple in structure, retractable door guide rails do not need to be laid, the double-machine head structure is adopted to respectively control the rotating speeds of the rotating wheels on the two sides of the machine head, so that the retractable door can be adjusted in the running direction at will, the planetary speed reduction type retractable door motor is adopted, the running speed of the retractable door is reduced, the controllability is high, dangers can be prevented when the trackless running is performed, the running direction of the retractable door can be further conveniently adjusted, the stability is good, and the safety is high.

Second embodiment, as also shown in fig. 1 to 3, which is only one embodiment of the present invention, in the first embodiment, in the trackless retractable door structure of the present invention, it should be noted that, in the first embodiment, both the first electric machine 21 and the second electric machine 22 are planetary gear motors, and we take the first electric machine 21 as an example, where the first electric machine 21 includes a motor housing, a motor disposed in the motor housing, a primary planet gear 212 connected to a shaft of the motor in a meshing manner, a primary planet carrier 213 connected to the primary planet gear 212, and a secondary planet gear 214 connected to the primary planet carrier 213, and an output shaft of the first electric machine 21 is connected to the secondary planet gear 214; an outer gear ring 215 sleeved outside the primary planet gear 212 and the secondary planet gear 214 is arranged in the motor shell; the inner side of the outer ring gear 215 is provided with meshing teeth for meshing with the primary planet gears 212 and the secondary planet gears 214.

Here, the primary planet carrier 213 includes a disc 2131, a first connecting column 2132 connected to the primary planet gear 212 is disposed on a side of the disc 2131 close to the primary planet gear 212, a gear shaft 2133 connected to the secondary planet gear 214 is disposed on a side of the disc 2131 close to the secondary planet gear 214, and a second connecting column connected to the secondary planet gear 214 is disposed on a side of the output shaft of the first motor 21 close to the secondary planet gear 214.

When a motor in a motor shell rotates, a motor shaft is used as a sun gear in a primary planet structure, motor shaft teeth are arranged on the outer side of the motor shaft, the motor shaft teeth are meshed to drive primary planet gears 212 to rotate, the primary planet gears 212 are limited by an outer gear ring 215 meshed with the outer side, a plurality of primary planet gears 212 revolve around the motor shaft while rotating, a first connecting column 2132 on a primary planet carrier 213 extends into the axis of the primary planet gears 212, then a disc 2131 of the primary planet carrier 213 is driven to rotate by the revolution of the primary planet gears 212, a gear shaft 2133 on one side, away from the primary planet gears 212, of the disc 2131 on the primary planet carrier 213 is used as a sun gear in a secondary planet structure, the gear shaft 2133 is meshed to drive secondary planet gears 214 to rotate, the secondary planet gears 214 revolve around the gear shaft 2133 under the limitation of the outer gear ring 215 meshed with the outer side 214, and an output shaft is used as a secondary planet carrier, the second connecting column of the output shaft extends into the axis of the secondary planet wheel 214, and the secondary planet wheel 214 rotates to drive the output shaft to rotate

In a word, the outer gear ring 215 does not rotate, the motor shaft rotates to drive the first-stage planet gear 212 to rotate, and the first-stage planet gear 212 drives the first-stage planet carrier 213 to rotate and is decelerated by the first heavy planet; gear shaft 2133 of one-level planet carrier 213 drives second planet wheel 214 and rotates, and second planet wheel 214 has passed through the second planet and has decelerated when driving the output shaft rotation as second planet carrier, and last first gear 211 on the output shaft drives first rotation wheel 31 through first chain 41 and third gear 312 and rotates, that is, the rotation of the motor shaft of first motor 21, just drives first rotation wheel 31 and rotates through the speed reduction of double planet.

Similarly, the motor shaft of the second electric machine 22 is also subjected to double planetary reduction to rotate the second rotating wheel 32.

Of course, the number of the primary planet gears 212 and the secondary planet gears 214 is at least three.

In addition, the support 1 is provided with a motor frame 11 for carrying the planetary reduction motor 2, the motor frame 11 is provided with a first speed sensor for sensing the rotating speed of the output shaft of the first motor 21, a second speed sensor for sensing the rotating speed of the output shaft of the second motor 22, and a PLC controller, and the first speed sensor, the second speed sensor, the motor in the first motor 21, and the motor in the second motor 22 are all electrically connected with the PLC controller. When the first motor 21 and the second motor 22 are not controlled to perform rotation speed difference to cause curve expansion and contraction of the expansion door, generally speaking, the expansion door needs to be linear, due to the arrangement of the double machine heads, after long-time use, the rotation speeds of the two motors have errors, the rotation speeds of the output shaft of the first motor 21 and the output shaft of the second motor 22 are induced through the first speed sensor and the second speed sensor, the rotation speeds of the two output shafts are sent to the PLC controller, the PLC controller controls the motor rotation speeds of the two motors according to the rotation speeds of the two output shafts, and generally speaking, if the rotation speed of the output shaft of the first motor is high, the motor rotation speed of the first motor is properly reduced.

Here, the principle of the speed sensing is that a magnet provided on an output shaft rotates with the rotation of the output shaft, a hall element or a counter in a first speed sensor senses the rotation of a magnetic field of the output shaft to generate an electric signal, and the electric signal is transmitted into a sensor chip through a PCB.

On the contrary, when the rotation speed difference between the first motor 21 and the second motor 22 needs to be controlled to cause the curve of the retractable door to extend and retract, the function of the PLC controller can be turned off.

Finally, a buffer cushion is arranged between the motor frame 11 and the support 1, so that the bumping abrasion of a motor arranged on the motor frame 11 can be effectively reduced, and the service life of the whole structure is long.

The present invention is not limited to the above-described specific embodiments, and various modifications and variations are possible. Any modifications, equivalents, improvements and the like made to the above embodiments in accordance with the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a trackless formula retractable door structure which characterized in that: comprises a bracket (1), a planetary gear motor (2) arranged on the bracket (1) and a rotating wheel connected with the planetary gear motor (2), the planetary gear motor (2) comprises a first motor (21) and a second motor (22), the rotating wheels comprise a first rotating wheel (31) connected with the bracket (1) through a first shaft lever (311) and a second rotating wheel (32) connected with the bracket (1) through a second shaft lever (321), a first gear (211) is arranged on an output shaft of the first motor (21), a second gear (221) is arranged on the output shaft of the second motor (22), a third gear (312) connected with the first gear (211) is arranged on the first shaft lever (311), the second shaft lever (321) is provided with a fourth gear (322) connected with the second gear (221).

2. A trackless retractable door structure according to claim 1, wherein: the first electric machine (21) comprises a motor shell, a motor arranged in the motor shell, a primary planet gear (212) in meshed connection with a shaft of the motor, a primary planet carrier (213) connected with the primary planet gear (212), and a secondary planet gear (214) connected with the primary planet carrier (213), and an output shaft of the first electric machine (21) is connected with the secondary planet gear (214); an outer gear ring (215) sleeved outside the primary planet gear (212) and the secondary planet gear (214) is arranged in the motor shell; and meshing teeth used for meshing with the primary planet wheels (212) and the secondary planet wheels (214) are arranged on the inner side of the outer ring gear (215).

3. A trackless retractable door structure according to claim 2, wherein: the primary planet carrier (213) comprises a disc (2131), one side, close to the primary planet wheel (212), of the disc (2131) is provided with a first connecting column (2132) connected with the primary planet wheel (212), one side, close to the secondary planet wheel (214), of the disc (2131) is provided with a gear shaft (2133) connected with the secondary planet wheel (214), and one side, close to the secondary planet wheel (214), of an output shaft of the first motor (21) is provided with a second connecting column connected with the secondary planet wheel (214).

4. A trackless retractable door structure according to claim 3, wherein: the number of the primary planet wheels (212) and the number of the secondary planet wheels (214) are at least three.

5. A trackless retractable door structure according to claim 1, wherein: the third gear (312) is connected with the first gear (211) through a first chain (41), and the fourth gear (322) is connected with the second gear (221) through a second chain (42).

6. A trackless retractable door structure according to claim 1, wherein: the bracket (1) is provided with a first bearing connected with the first shaft lever (311) and a second bearing connected with the second shaft lever (321).

7. A trackless retractable door structure according to claim 1, wherein: the output shaft of the first motor (21) is arranged at one end of the first motor (21) far away from the second motor (22), and the output shaft of the second motor (22) is arranged at one end of the second motor (22) far away from the first motor (21).

8. A trackless retractable door structure according to claim 1, wherein: the number of the first shaft rod (311) and the first rotating wheel (31) is at least one; the number of the second shaft rod (321) and the second rotating wheel (32) is at least one.

9. A trackless retractable door structure according to claim 2, wherein: the support (1) is provided with a motor frame (11) used for bearing the planetary reduction motor (2), the motor frame (11) is provided with a first speed sensor used for sensing the rotating speed of an output shaft of the first motor (21), a second speed sensor used for sensing the rotating speed of an output shaft of the second motor (22) and a PLC (programmable logic controller), and the first speed sensor, the second speed sensor, a motor in the first motor (21) and a motor in the second motor (22) are all electrically connected with the PLC.

10. A trackless retractable door structure according to claim 9, wherein: a buffer pad is arranged between the motor frame (11) and the support (1).