Lifting rope lifting limiting structure and clothes airing machine

Abstract

The utility model provides a lifting rope lifting limiting structure and a clothes airing machine. The lifting rope lifting limiting structure comprises a support, a driving motor and a limiting assembly, wherein the driving motor and the limiting assembly are installed on the support. Output shafts at the two ends of the driving motor are respectively connected with a rotatable winding assembly through a transmission assembly in a transmission manner, and a lifting rope capable of being wound and unwound is arranged on the winding assembly; the limiting assembly is in transmission connection with the transmission assembly and used for controlling the ascending position or the descending position of the lifting rope. The limiting assembly comprises a triggering assembly in transmission connection with the transmission assembly and a first electronic switch located on the outer side of the triggering assembly, the transmission assembly synchronously drives the winding assembly and the triggering assembly, and when the lifting rope is located at any one of the target upper limit position and the target lower limit position, the first electronic switch is triggered by the triggering assembly; and the driving motor stops running. Compared with the prior art, the lifting rope lifting limiting structure has the advantages that a mechanical transmission mode is adopted, the reliability is high, the limiting assembly can be contained in the support, and the thickness of the whole machine cannot be increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of lifting rope lifting limiting structure and clothes airing machine, belong to electric clothes airing machine technical field. BACKGROUND

[0002] Most of the electric clothes airing machines on the market have the function of controlling the motor to stop moving when the lifting rope is wound and unwound to the limit position. Most of the electric clothes airing machines set the upper limit position and the lower limit position of the rod connected with the lifting rope through software. This causes the upper limit position and the lower limit position to deviate after long-term use, which may cause damage or failure of the internal mechanism of the clothes airing machine. In addition, when the clothes airing machine uses mechanical transmission to set the limit position of the lifting rope winding and unwinding, it is necessary to reserve installation space for the mechanical transmission structure on the clothes airing machine, which may increase the thickness of the whole machine.

[0003] Therefore, it is necessary to improve the lifting rope lifting limiting structure of the existing clothes airing machine to solve the above problems. SUMMARY

[0004] The utility model aims at providing a kind of lifting rope lifting limiting structure, with strong reliability by mechanical transmission, and without increasing the thickness of the whole machine.

[0005] To achieve the above-mentioned purpose, the utility model provides a kind of lifting rope lifting limiting structure, comprising:

[0006] a bracket;

[0007] a drive motor mounted on the bracket, the output shafts at both ends of the drive motor are respectively connected to a rotatable winding assembly through a transmission assembly, and the winding assembly is provided with a lifting rope that can be wound and unwound;

[0008] a limiting assembly mounted on the bracket, in transmission connection with the transmission assembly and synchronous rotation with the winding assembly, the limiting assembly is used to control the rising position or the falling position of the lifting rope;

[0009] Among them, the limiting assembly includes a trigger assembly in transmission connection with the transmission assembly, and a first electronic switch located outside the trigger assembly, the transmission assembly synchronously drives the winding assembly and the trigger assembly, when the lifting rope is in any one of the target upper limit position and the target lower limit position, the first electronic switch is triggered by the trigger assembly, so that the drive motor stops running.

[0010] As a further improvement of the utility model, the transmission assembly includes a power gear in transmission connection with the output shaft, a transmission gear coaxial with the power gear to be respectively in transmission connection with the winding assembly, and a primary gear in transmission connection with the trigger assembly.

[0011] As a further improvement of the utility model, the trigger assembly comprises an external gear connected with the primary gear, the first electronic switch is installed on the outside of the external gear, the external gear is provided with a protruding part capable of triggering the first electronic switch to control the driving motor to stop running, and the protruding part rotates synchronously with the external gear.

[0012] As a further improvement of the utility model, the trigger assembly further comprises an internal gear for the primary gear to extend into and meshingly connect with each other, and a pinion gear located on the side, away from the primary gear, of the internal gear, the pinion gear is meshingly connected with the external gear.

[0013] As a further improvement of the utility model, the pinion gear is coaxially arranged with the internal gear.

[0014] As a further improvement of the utility model, the internal gear and the external gear are rotationally connected to the support, and in the thickness direction of the support, the external gear is arranged lower than the end surface of the support.

[0015] As a further improvement of the utility model, the limiting assembly is respectively provided with an upper limiting assembly and a lower limiting assembly corresponding to the target upper limit position and the target lower limit position of the hanging rope, the upper limiting assembly and the lower limiting assembly are separately arranged at the two ends of the support, when the hanging rope is at the target upper limit position, the protruding part of the upper limiting assembly triggers the corresponding first electronic switch, and when the hanging rope is at the target lower limit position, the protruding part of the lower limiting assembly triggers the corresponding first electronic switch.

[0016] Another purpose of the utility model is to provide a clothes airing machine with the above-mentioned hanging rope lifting limiting structure.

[0017] To achieve the above-mentioned purpose, the utility model provides a clothes airing machine, which comprises:

[0018] The above-mentioned hanging rope lifting limiting structure;

[0019] A control assembly is installed on the support and is correspondingly arranged with the winding assembly to control the driving motor to start and stop under the action of the hanging rope.

[0020] As a further improvement of the utility model, the control assembly comprises an elastic arm and a second electronic switch located at one end of the elastic arm, the elastic arm is provided with a through hole and a rolling element arranged in the through hole, the hanging rope passes through the through hole and drives the elastic arm to trigger the second electronic switch under the action of the rolling element, the elastic arm is provided with a trigger arm for triggering the second electronic switch, the rolling element and the trigger arm are located in the same plane, and the plane is parallel to the radial direction of the output shaft.

[0021] As a further improvement of the utility model, the support is provided with a limiting hole for the output shaft to extend into, the limiting hole is provided with a limiting bead abutting against the output shaft and a fastener located on the side, away from the output shaft, of the limiting bead, the side of the output shaft, facing the limiting bead, is provided with a tapered groove for partially accommodating the limiting bead, and the fastener enables the limiting bead to be tightly connected with the output shaft.

[0022] The lifting rope lifting limiting structure of the utility model has the advantages that the trigger assembly and the transmission assembly of the limiting assembly are in transmission connection, and then the transmission assembly can synchronously drive the winding assembly and the trigger assembly, so that the first electronic switch can be triggered by the trigger assembly when the lifting rope is at any one of the target upper limit position and the target lower limit position, and the driving motor stops running. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is the three-dimensional structure schematic diagram of the clothes airing machine of the utility model.

[0024] Figure 2 is Figure 1 the explosion view.

[0025] Figure 3 is Figure 2 the cooperation diagram of the driving motor and the transmission assembly in 2.

[0026] Figure 4 is the three-dimensional structure schematic diagram of the first support in 2.

[0027] Figure 5 is Figure 1 the assembly view of the output shaft and the support in 2.

[0028] Figure 6 is Figure 2 the cooperation diagram of the transmission assembly and the limiting assembly in 2.

[0029] Figure 7 is Figure 6 the three-dimensional structure schematic diagram of the limiting assembly in 2.

[0030] Figure 8 is Figure 1 a kind of use state diagram of the clothes airing machine in 2.

[0031] Figure 9 is Figure 2 the three-dimensional structure schematic diagram of the control assembly in 2.

[0032] REFERENCE SIGNS:

[0033] 100-clothes airing machine;

[0034] 1-support;11-first support;110-threading port;111-limiting hole;112-limiting bead;113-fastener;12-second support;13-accommodation space;14-fixing column;141-screw;15-mounting column;

[0035] 2-driving motor;21-output shaft;22-worm.

[0036] 3 - transmission assembly; 31 - driving gear; 32 - transmission gear; 33 - primary gear;

[0037] 4 - winding assembly; 41 - gear part; 42 - rope winding part;

[0038] 5 - limiting assembly; 51 - trigger assembly; 511 - outer gear; 5111 - protruding part; 52 - first electronic switch; 512 - inner gear; 513 - pinion; 53 - upper limiting assembly; 54 - lower limiting assembly;

[0039] 6 - control assembly; 61 - elastic arm; 610 - through hole; 611 - first arm; 612 - second arm; 613 - trigger arm; 614 - mounting arm; 62 - second electronic switch; 63 - rolling piece; 64 - spring. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model will be described in detail below with the help of the drawings and specific embodiments.

[0041] Please refer to Figures 1-2 The utility model discloses a clothes airing machine 100, including support 1, install on the support 1 on driving motor 2, transmission assembly 3, winding assembly 4 and limiting assembly 5. Driving motor 2 is equipped with output shaft 21 at both ends. Output shaft 21 is driveably connected rotatable winding assembly 4 through transmission assembly 3 respectively. Winding assembly 4 is provided with the rope (not shown) that can be wound and unwound. Limiting assembly 5 is drive connected with transmission assembly 3 to rotate synchronously with winding assembly 4. Limiting assembly 5 is used to control the rising position or the falling position of the rope. Among them, support 1, driving motor 2, transmission assembly 3, winding assembly 4 and limiting assembly 5 constitute the rope lifting limiting structure. The rope lifting limiting structure adopts the mechanical transmission mode, and the reliability is strong, and the setting of limiting assembly 5 will not increase the thickness of the whole machine, so that the whole machine is thinner.

[0042] Specifically, support 1 includes oppositely arranged first support 11 and second support 12, and first support 11 and second support 12 are basically same in structure. Driving motor 2 is detachably connected between first support 11 and second support 12. Transmission assembly 3, winding assembly 4 and limiting assembly 5 are respectively installed on first support 11 and second support 12 and symmetrically arranged. First support 11 and second support 12 are respectively provided with threading hole 110 for the rope to pass out, and the rope passes out from the corresponding threading hole 110 and extends in opposite directions. The rope is connected with the clothes airing rod (not shown), and the clothes airing rod rises or falls along with the winding and unwinding of the rope. By forward rotation and reverse rotation of driving motor 2, the rotation direction of transmission assembly 3 can be changed, and then the rotation direction of winding assembly 4 is changed, so that the winding and unwinding of the rope is realized.

[0043] As shown in Figures 3-7 , the output shaft 21 is provided with a worm 22 extending into the first support 11 and the second support 12 and in driving connection with the transmission assembly 3. The transmission assembly 3 includes three coaxial gears. The three gears are respectively connected with the worm 22, the winding assembly 4 and the limiting assembly 5. In the embodiment, the first support 11 and the second support 12 are respectively provided with a limiting hole 111 for the end of the output shaft 21 to extend into, and the output shaft 21 is gap provided with the inner peripheral wall of the limiting hole 111. The limiting hole 111 is provided with a limiting bead 112 abutting against the output shaft 21 and a fastener 113 located on the side of the limiting bead 112 away from the output shaft 21, as shown in Figure 4 and Figure 5 . The side of the output shaft 21 facing the limiting bead 112 is provided with a tapered groove (not numbered) for partially accommodating the limiting bead 112, and the fastener 113 makes the limiting bead 112 tightly connected with the output shaft 21. It can prevent the worm 22 from axial movement and radial swing, which can cause tooth skipping and tooth skipping. In other alternative embodiments, the three gears of the transmission assembly 3 can also be meshed with each other, which is not limited.

[0044] The winding assembly 4 is preferably a winding reel, which includes a gear part 41 meshed with one gear of the transmission assembly 3 and a winding part 42 coaxially arranged with the gear part 41. The hanging rope is wound on the winding part 42 and passes out from the threading port 110. In the embodiment, the limiting assembly 5 is separately arranged on the opposite sides of the support 1 with the transmission assembly 3, and is located on the side of the winding assembly 4 facing the driving motor 2. Specifically, as shown in Figure 3 and Figure 6 , the transmission assembly 3 includes a power gear 31 meshed with the worm 22, a transmission gear 32 meshed with the gear part 41 of the winding assembly 4 and a primary gear 33 connected with the limiting assembly 5. The power gear 31 is located between the transmission gear 32 and the primary gear 33, making the whole clothes drying machine 100 thinner. The primary gear 33 passes through the support 1 and is in driving connection with the limiting assembly 5.

[0045] In the thickness direction of the support 1, the limiting assembly 5 is entirely accommodated in the support 1. Specifically, the support 1 is provided with an accommodation space 13 for accommodating the winding part 42 of the winding assembly 4, and the accommodation space 13 is in communication with the threading port 110. The side of the accommodation space 13 facing the limiting assembly 5 is protruded, and the outer end surface of the bottom of the accommodation space 13 is flush with the end surface of the support 1 in the thickness direction. The transmission assembly 3 and the limiting assembly 5 are located outside the accommodation space 13. In the embodiment, the axial direction of the winding assembly 4 is the same as the thickness direction of the support 1, that is, the limiting assembly 5 is installed on one side of the support 1 and does not exceed the outer end surface of the bottom of the accommodation space 13, so as not to increase the overall thickness of the clothes drying machine 100.

[0046] AsFigure 2 and Figure 7 As shown in the figure, the limiting assembly 5 includes a trigger assembly 51 connected with the primary gear 33 of the transmission assembly 3, and a first electronic switch 52 located outside the trigger assembly 51. The transmission assembly 3 can synchronously drive the winding assembly 4 and the trigger assembly 51. The hanging rope is provided with a target upper limit position and a target lower limit position, when the hanging rope is in any one of the target upper limit position and the target lower limit position, the first electronic switch 52 is triggered by the trigger assembly 51, so that the driving motor 2 stops running. In this embodiment, the target upper limit position is that the hanging rope drives the clothes drying rod to rise to a completely folded state, and the target lower limit position is that the hanging rope drives the clothes drying rod to fall to a completely unfolded state. Specifically, the trigger assembly 51 includes an external gear 511 connected with the primary gear 33, and the first electronic switch 52 is fixedly installed outside the external gear 511. The external gear 511 is provided with a protruding portion 5111 capable of triggering the first electronic switch 52 to control the driving motor 2 to stop running, and the protruding portion 5111 rotates synchronously with the external gear 511. The protruding portion 5111 is preferably integrally formed with the external gear 511, and protrudes outward from the outer periphery of the external gear 511.

[0047] In this embodiment, the trigger assembly 51 further includes an internal gear 512 for the primary gear 33 to extend into and meshingly connect, and a pinion gear 513 located on the side of the internal gear 512 away from the primary gear 33, the pinion gear 513 is meshingly connected with the external gear 511. And the pinion gear 513 is coaxially arranged with the internal gear 512. That is, the primary gear 33 is meshingly connected with the internal gear 512, the external gear 511 is meshingly connected with the coaxially arranged pinion gear 513 on the internal gear 512, thereby realizing that the primary gear 33 drives the external gear 511 to rotate, so that the protruding portion 5111 located on the external gear 511 triggers the first electronic switch 52. This embodiment adopts two-stage gear transmission. Of course, in other embodiments, one-stage gear transmission can also be adopted, that is, the external gear 511 is directly meshingly connected with the primary gear 33, which is not limited.

[0048] It should be emphasized that the trigger assembly 51 and the winding assembly 4 are connected with the coaxially arranged primary gear 33 and the transmission gear 32 of the transmission assembly 3. The limiting assembly 5 and the winding assembly 4 rotate synchronously and in the same direction. In the rotating state of the winding assembly 4, when the hanging rope drives the clothes drying rod to be in any one of the target upper limit position and the target lower limit position, the protruding portion 5111 will rotate to a position in contact with the first electronic switch 52, thereby triggering the first electronic switch 52 to control the driving motor 2 to stop running.

[0049] The inner gear 512 and the outer gear 511 are both rotationally connected to the bracket 1, and in the thickness direction of the bracket 1, the outer gear 511 is arranged lower than the end surface of the bracket 1. In the embodiment, the bracket 1 is provided with a fixing column 14 for mounting the inner gear 512 and the outer gear 511, and the inner gear 512 and the outer gear 511 are respectively sleeved on the fixing column 14 to rotate relative to the fixing column 14. Preferably, the fixing column 14 is embedded with a metal nut (not shown) for mounting and dismounting the screw 141 to limit the inner gear 512 and the outer gear 511 in the axial direction on the fixing column 14. The angle position of the protruding part 5111 can also be adjusted by dismounting the screw 141 to match the lifting position and the lowering position of the hanging rope of different models, that is, when the hanging rope is in any one of the target upper limit position and the target lower limit position, the protruding part 5111 is just rotated to the position of contacting the first electronic switch 52.

[0050] In the embodiment, the bracket 1 is provided with an upper limit position assembly 53 and a lower limit position assembly 54 corresponding to the target upper limit position and the target lower limit position of the hanging rope. The upper limit position assembly 53 and the lower limit position assembly 54 are the same structure and are respectively arranged at the two ends of the bracket 1. That is, the upper limit position assembly 53 and the lower limit position assembly 54 are respectively arranged on the first bracket 11 and the second bracket 12 and are respectively connected with the corresponding transmission assembly 3 on the first bracket 11 and the second bracket 12. When the hanging rope is located at the target upper limit position, the protruding part 5111 of the upper limit position assembly 53 triggers the corresponding first electronic switch 52, and when the hanging rope is located at the target lower limit position, the protruding part 5111 of the lower limit position assembly 54 triggers the corresponding first electronic switch 52.

[0051] Specifically, when the output shaft 21 of the driving motor 2 rotates forward, the hanging rope is wound, that is, the clothes drying rod rises close to the bracket 1. The upper limit position assembly 53 and the lower limit position assembly 54 rotate synchronously. The protruding part 5111 of the lower limit position assembly 54 rotates from the position of contacting the corresponding first electronic switch 52 to the direction away from the first electronic switch 52. The protruding part 5111 of the upper limit position assembly 53 rotates to the direction of the corresponding first electronic switch 52 and until it contacts the first electronic switch 52 to control the driving motor 2 to stop running, as shown in FIG. 6. At this time, the hanging rope is in the target upper limit position, preventing the driving motor 2 from continuing to run and causing damage when the clothes drying rod reaches the uppermost side. Figure 1 When the output shaft 21 of the driving motor 2 reverses, the hanging rope is unwound, that is, the clothes drying rod descends away from the bracket 1. The upper limit position assembly 53 and the lower limit position assembly 54 rotate synchronously. The protruding part 5111 of the upper limit position assembly 53 rotates from the position of contacting the corresponding first electronic switch 52 to the direction away from the first electronic switch 52. The protruding part 5111 of the lower limit position assembly 54 rotates to the direction of the corresponding first electronic switch 52 and until it contacts the first electronic switch 52 to control the driving motor 2 to stop running, as shown in FIG. 7. Figure 8As shown in the figure. At this time, the lifting rope is in the target lower limit position, preventing the lifting rope from being completely empty, causing the mechanism to fail. Of course, in other embodiments, the lifting rope can also be unwound when the output shaft 21 of the motor 2 is driven in the forward direction, and the lifting rope is wound when the output shaft 21 of the motor 2 is driven in the reverse direction. This is not limited.

[0052] Figure 1 And Figure 9 As shown in the figure, the clothes drying machine 100 further comprises a control assembly 6 mounted on the first support 11 and the second support 12 respectively. The control assembly 6 is arranged corresponding to the winding assembly 4 and can control the start and stop of the driving motor 2 under the action of the lifting rope.

[0053] The control assembly 6 comprises an elastic arm 61 and a second electronic switch 62 located at one end of the elastic arm 61. One side of the threading port 110 of the first support 11 and the second support 12 is provided with a mounting column 15 for mounting the elastic arm 61, and the elastic arm 61 can swing in a fan shape around the mounting column 15. The elastic arm 61 is located outside the threading port 110, and the second electronic switch 62 is located at the end of the elastic arm 61 away from the mounting column 15. The elastic arm 61 has a through hole 610 and a rolling element 63 arranged in the through hole 610, and the lifting rope passes through the through hole 610 and drives the elastic arm 61 to trigger the second electronic switch 62 under the action of the rolling element 63.

[0054] Specifically, when the lifting rope is in a taut state, the lifting rope contacts the rolling element 63 and pulls the elastic arm 61 to rotate around the mounting column 15 away from the second electronic switch 62. At this time, the driving motor 2 controls the unwinding of the lifting rope. When the lifting rope is in a relaxed state, i.e. when the clothes drying rod encounters resistance, the elastic arm 61 will return to its original position to contact the second electronic switch 62. At this time, the driving motor 2 is controlled to stop by the second electronic switch 62. Preventing further descent from causing harm to people. When the clothes drying rod is no longer blocked, the gravitational force or the force of the suspended object acts again. The lifting rope is taut again and pulls the elastic arm 61. At this time, the driving motor 2 needs to be started by pressing the remote control of the clothes drying machine 100 once to control the descent or ascent of the clothes drying rod.

[0055] The elastic arm 61 comprises a first arm 611 and a second arm 612 arranged opposite in the thickness direction of the support 1, and a trigger arm 613 and a mounting arm 614 connecting the first arm 611 and the second arm 612. The trigger arm 613 is close to the second electronic switch 62 and can be in contact with the second electronic switch 62 for triggering the second electronic switch 62. The mounting arm 614 is away from the second electronic switch 62 and is used for connecting with the mounting column 15. As an example, the elastic arm 61 is provided with a spring 64 connected on the mounting column 15 and the mounting arm 614. The elastic arm 61 has an initial force under the action of the spring 64, so that the elastic arm 61 is in abutment with the second electronic switch 62 under the action of the initial force. The rolling piece 63 is arranged between the first arm 611 and the second arm 612, and the through hole 610 is formed by the first arm 611, the second arm 612, the trigger arm 613 and the mounting arm 614. The lifting rope passes through one side of the rolling piece 63 close to the trigger arm 613, so as to pull the elastic arm 61 away from the second electronic switch 62 when the lifting rope is in a taut state. In the embodiment, the rolling piece 63 and the trigger arm 613 are located in the same plane, and the plane is preferably parallel to the radial direction of the output shaft 21. When the lifting rope is relatively hard, the elastic arm 61 is less affected by the interference force of the lifting rope. That is, the lifting rope passing out of the threading hole 110 and into the through hole 610 is only subjected to the force of the winding assembly 4 and the rolling piece 63, and is not subjected to the force of the trigger arm 613. The elastic arm 61 does not need to overcome the deformation force of the lifting rope caused by the trigger arm 613. Further, the elastic arm 61 can return to the position to press the second electronic switch 62 without a large torsion force.

[0056] In summary, the lifting rope lifting limiting structure of the utility model is characterized in that the trigger assembly 51 of the limiting assembly 5 is in transmission connection with the transmission assembly 3, and the transmission assembly 3 can synchronously drive the winding assembly 4 and the trigger assembly 51, so that the first electronic switch 52 can be triggered by the trigger assembly 51 when the lifting rope is in any one of the target upper limit position and the target lower limit position, and the driving motor 2 is stopped. The limiting assembly 5 adopts a mechanical transmission mode, and has high reliability. The limiting assembly 5 and the transmission assembly 3 are arranged on opposite sides of the support 1, and are located on the side of the winding assembly 4 facing the driving motor 2, so that the limiting assembly 5 is entirely accommodated in the support 1 in the thickness direction of the support 1, and the thickness of the whole machine is not increased.

[0057] The above embodiments are only used to illustrate the technical solutions of the utility model and not limit the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the utility model can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the utility model.

Claims

1. A hoisting rope lifting limiting structure, characterized in that, The utility model relates to a lifting device, including: Support (1); Driving motor (2) is installed on the support (1), and the output shaft (21) of both ends of driving motor (2) is respectively through a transmission assembly (3) rotatable winding assembly (4) can be drivenly connected a, and winding assembly (4) is provided with the lifting rope that can be wound and unwound; Limiting assembly (5) is installed on the support (1), with transmission assembly (3) transmission connection, and follow winding assembly (4) synchronous rotation, limiting assembly (5) is used for controlling the ascending position or descending position of lifting rope; Wherein, limiting assembly (5) includes trigger assembly (51) with transmission assembly (3) transmission connection, and first electronic switch (52) is located at the outside of trigger assembly (51), transmission assembly (3) synchronous drive winding assembly (4) and trigger assembly (51), when lifting rope is in any one of target upper limit position and target lower limit position, first electronic switch (52) is triggered by trigger assembly (51), so that driving motor (2) stops running.

2. The rope lifting limiting structure according to claim 1, characterized in that: Transmission assembly (3) includes power gear (31) with the output shaft (21) transmission connection, and transmission gear (32) is coaxial with power gear (31) to be respectively with winding assembly (4) transmission connection, and primary gear (33) is with trigger assembly (51) transmission connection.

3. The rope lifting limiting structure according to claim 2, characterized in that: Trigger assembly (51) includes outer gear (511) with primary gear (33) connection, and first electronic switch (52) is installed at the outside of outer gear (511), and outer gear (511) is equipped with the protruding portion (5111) that can trigger first electronic switch (52) control driving motor (2) stop running, and the protruding portion (5111) follow outer gear (511) synchronous rotation.

4. The rope lifting limiting structure according to claim 3, characterized in that: Trigger assembly (51) further includes inner gear (512) for primary gear (33) to extend into and meshed connection, and pinion (513) is located at the side, away from primary gear (33) of inner gear (512), and pinion (513) is meshed with outer gear (511) connection.

5. The rope lifting limiting structure according to claim 4, characterized in that: Pinion (513) is coaxially arranged with inner gear (512).

6. The rope lifting limiting structure according to claim 4, characterized in that: Inner gear (512) and outer gear (511) are rotatably connected to the support (1), and in the thickness direction of the support (1), the outer gear (511) is lower than the end surface of the support (1).

7. The rope lifting limiting structure according to claim 3, characterized in that: The limiting assembly (5) is provided with an upper limiting assembly (53) and a lower limiting assembly (54) corresponding to the target upper limit position and the target lower limit position of the lifting rope, and the upper limiting assembly (53) and the lower limiting assembly (54) are arranged at two ends of the support (1), when the lifting rope is in the target upper limit position, the protruding part (5111) of the upper limiting assembly (53) triggers the corresponding first electronic switch (52), and when the lifting rope is in the target lower limit position, the protruding part (5111) of the lower limiting assembly (54) triggers the corresponding first electronic switch (52).

8. A clothes drying machine characterised in that, Comprise: The lifting rope lifting limiting structure according to any one of claims 1-7; The control assembly (6) is installed on the support (1) and is arranged corresponding to the winding assembly (4) to control the driving motor (2) to start and stop under the action of the lifting rope.

9. The clothes drying machine according to claim 8, characterized in that: The control assembly (6) comprises an elastic arm (61) and a second electronic switch (62) located at one end of the elastic arm (61), the elastic arm (61) has a through hole (610) and a rolling element (63) arranged at the through hole (610), the lifting rope passes through the through hole (610) and drives the elastic arm (61) to trigger the second electronic switch (62) under the action of the rolling element (63), the elastic arm (61) is provided with a trigger arm (613) for triggering the second electronic switch (62), the rolling element (63) and the trigger arm (613) are located in the same plane, and the plane is parallel to the radial direction of the output shaft (21).

10. The clothes drying machine according to claim 8, characterized in that: The support (1) is provided with a limiting hole (111) for the output shaft (21) to extend into, the limiting hole (111) is provided with a limiting bead (112) abutting against the output shaft (21) and a fastener (113) located on the side of the limiting bead (112) away from the output shaft (21), and the side of the output shaft (21) facing the limiting bead (112) is provided with a tapered groove for partially accommodating the limiting bead (112), and the fastener (113) makes the limiting bead (112) and the output shaft (21) tightly connected.

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