Single-wheel coiling power assembly

Abstract

The utility model discloses a single-wheel coiling power assembly which comprises a shell, a planetary gearbox, a driving motor and a coiling sleeve are arranged in the shell, a main shaft of the driving motor is connected with the input end of the planetary gearbox, and the coiling sleeve is connected with the output end of the planetary gearbox and rotationally connected with the shell. A rope is wound on the winding sleeve, and one end of the rope penetrates through the shell and extends to the outside; according to the single-wheel winding power assembly, transmission is conducted between the driving motor and the winding sleeve through the planetary gearbox, coaxial output of the driving motor and the winding sleeve is achieved, the reduction ratio is large, and the whole power assembly is small in overall size, compact in structure and convenient to install and arrange.

Description

Technical Field

[0001] The utility model relates to the technical field of clothes drying machines, and more specifically to a single-wheel winding power assembly. Background Art

[0002] At present, the existing clothes drying machine winding power assembly usually adopts the structure of motor, worm gear and worm, and adopts two winding wheels to reel in two steel wire ropes, such as patent number CN201922425749.1, the patent name is winding wheel assembly, power assembly and clothes drying machine, which discloses a power assembly, including two adjacent winding wheel assemblies, a motor and a worm, the motor drives the worm, the winding wheel assembly includes a winding wheel, a steel wire rope and a worm gear matched with the worm, and the winding wheel is provided with a steel wire rope for winding. The wire rope is wound around a wire groove, the wire rope includes an end with a diameter larger than the wire diameter, a limiting groove is provided on the back of the worm wheel, and a channel connecting the limiting groove and the wire groove is provided on the worm wheel. The end of the wire rope is placed on the limiting groove, and the wire rope is wound around the wire groove of the winding wheel after passing through the channel. The power assembly structure of this patent has a non-coaxial output of the motor and the winding wheel, and adopts a worm gear form for transmission. The overall space occupied is relatively large, which is not conducive to the space layout in the clothes drying machine. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a single-wheel winding power assembly, which adopts a planetary gear box for transmission between the driving motor and the winding sleeve, so that the driving motor and the winding sleeve can achieve coaxial output and a large reduction ratio. The overall volume of the power assembly is small, the structure is compact, and it is easy to install and arrange.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A single-wheel winding power assembly includes a shell, in which a planetary gearbox, a drive motor and a winding sleeve are arranged, the main shaft of the drive motor is connected to the input end of the planetary gearbox, the winding sleeve is connected to the output end of the planetary gearbox and is rotatably connected to the shell, a rope is wound on the winding sleeve, and one end of the rope passes through the shell and extends to the outside.

[0006] Further, the planetary gearbox includes a fixed sleeve, a primary planetary gear train and a secondary planetary gear train, the fixed sleeve is fixedly connected to the housing, and an inner gear ring is arranged in the fixed sleeve, the primary planetary gear train includes a plurality of primary planetary wheels, a primary center wheel and a primary planet carrier, the primary center wheel is connected to the main shaft of the drive motor, and the primary center wheel is located in the fixed sleeve, a plurality of primary planetary wheels are respectively meshed with the primary center wheel and the inner gear ring, the primary planet carrier is respectively connected to a plurality of primary planetary wheels, the secondary planetary gear train includes a plurality of secondary planetary wheels and a secondary center wheel, the secondary center wheel is fixedly connected to the primary planet carrier, a plurality of secondary planetary wheels are respectively meshed with the secondary center wheel and the inner gear ring, and the winding sleeve is connected to a plurality of secondary planetary wheels.

[0007] Furthermore, a winding spiral groove is arranged on the outer side of the winding sleeve, and the rope is wound in the winding spiral groove.

[0008] Furthermore, two ropes are arranged on the winding sleeve, and the protruding ends of the two ropes are respectively located on both sides of the shell and protrude to the outside.

[0009] Furthermore, guide pillars are arranged on both sides of the shell, and the extended ends of the two ropes are respectively wound around the two guide pillars and extended to the outside.

[0010] Furthermore, both sides of the shell are provided with extension openings, and the extension ends of the two ropes extend to the outside through the extension openings respectively.

[0011] The shell further comprises a base and an upper cover, and the base and the upper cover are detachably connected.

[0012] Furthermore, a circular hole is arranged on the upper cover, and a circular boss is arranged on the winding sleeve, and the circular boss extends into the circular hole.

[0013] Furthermore, a protective sleeve is arranged on the outer side of the winding sleeve in the shell.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The power assembly structure of the utility model adopts a planetary gear box for transmission between the driving motor and the winding sleeve, so that the driving motor and the winding sleeve can achieve coaxial output and a large reduction ratio. The overall volume of the whole power assembly is small, the structure is compact, and it is easy to install and arrange. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0017] Figure 1 A schematic diagram of the structure of a single-wheel winding powertrain Figure 1 ;

[0018] Figure 2 A schematic diagram of the structure of a single-wheel winding powertrain Figure 2 ;

[0019] Figure 3 A schematic diagram of the structure of a single-wheel winding powertrain Figure 3 ;

[0020] Figure 4 The figure is a cross-sectional view of a single-wheel winding powertrain.

[0021] The markings in the figure are: 1. Shell; 101. Base; 102. Upper cover; 103. Protective cover; 104. Extension port; 105. Guide column; 2. Winding sleeve; 201. Circular boss; 202. Winding spiral groove; 3. Rope; 4. Fixed sleeve; 5. Driving motor; 6. Primary center wheel; 7. Primary planetary gear; 8. Primary planetary carrier; 9. Secondary center wheel; 10. Secondary planetary gear; 11. Secondary connecting shaft; 12. Inner gear ring. DETAILED DESCRIPTION

[0022] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" and "a number" is two or more, unless otherwise clearly and specifically defined.

[0024] A single-wheel winding power assembly, such as Figure 1-4As shown, it includes a shell 1, in which a planetary gearbox, a drive motor 5 and a winding sleeve 2 are arranged. The main shaft of the drive motor 5 is connected to the input end of the planetary gearbox, and the winding sleeve 2 is connected to the output end of the planetary gearbox and is rotatably connected to the shell 1. A rope 3 is wound on the winding sleeve 2, and one end of the rope 3 passes through the shell 1 and extends to the outside.

[0025] The power assembly structure of the utility model adopts a planetary gearbox for transmission between the drive motor 5 and the winding sleeve 2, so that the drive motor 5 and the winding sleeve 2 can achieve coaxial output and a large reduction ratio. The overall volume of the entire power assembly is small, the structure is compact, and it is easy to install and arrange.

[0026] Preferably, Figure 4 As shown, the planetary gearbox includes a fixed sleeve 4, a primary planetary gear 7 system and a secondary planetary gear 10 system, the fixed sleeve 4 is fixedly connected to the housing 1, and an inner gear ring 12 is arranged in the fixed sleeve 4, the primary planetary gear 7 system includes a plurality of primary planetary gears 7, a primary center wheel 6 and a primary planet carrier 8, the primary center wheel 6 is connected to the main shaft of the drive motor 5, and the primary center wheel 6 is located in the fixed sleeve 4, a plurality of primary planetary gears 7 are respectively meshed with the primary center wheel 6 and the inner gear ring 12, the primary planet carrier 8 is respectively connected to a plurality of primary planetary gears 7, the secondary planetary gear 10 system includes a plurality of secondary planetary gears 10 and a secondary center wheel 9, the secondary center wheel 9 is fixedly connected to the primary planet carrier 8, a plurality of secondary planetary gears 10 are respectively meshed with the secondary center wheel 9 and the inner gear ring 12, and the winding sleeve 2 is connected to a plurality of secondary planetary gears 10;

[0027] Specifically, the driving motor 5 is fixedly installed in the lower part of the housing 1, the primary center wheel 6 is connected to the main shaft of the driving motor 5, three primary planetary wheels 7 are provided, and three secondary planetary wheels 10 are also provided. Three primary connecting shafts are fixedly connected to the bottom of the primary planetary frame 8, and the primary planetary frame 8 extends into the center holes of the three primary planetary wheels 7 through the three primary connecting shafts to achieve connection with the three primary planetary wheels 7 respectively. Three secondary connecting shafts 11 are provided in the winding sleeve 2, and the winding sleeve 2 extends into the center holes of the three secondary planetary wheels 10 through the three secondary connecting shafts 11 to achieve connection with the three secondary planetary wheels 10 respectively.

[0028] During rotation, the main shaft of the winding sleeve 2 driving motor 5 drives the primary center wheel 6 to rotate, drives the three primary planetary wheels 7 to rotate, and then makes the primary planetary carrier 8 rotate. At the same time, the secondary center wheel 9 rotates at the same time, and then drives the three secondary planetary wheels 10 to rotate, and finally drives the winding sleeve 2 to rotate to reel in and unreel the rope 3.

[0029] Preferably, Figure 2 and Figure 4As shown, a winding spiral groove 202 is provided on the outer side of the winding sleeve 2, and the rope 3 is wound in the winding spiral groove 202, so that the rope 3 can be wound on the winding sleeve 2 in an orderly manner.

[0030] Preferably, Figure 1-4 As shown, two ropes 3 are provided on the winding sleeve 2, and the protruding ends of the two ropes 3 are respectively located on both sides of the housing 1 and protrude to the outside.

[0031] Preferably, Figure 2-3 As shown, guide pillars 105 are provided on both sides of the housing 1, and the protruding ends of the two ropes 3 are respectively wound around the two guide pillars 105 and extended to the outside. By providing the guide pillars 105, the ropes 3 are guided to slide and prevent the ropes 3 from getting stuck when winding or unwinding.

[0032] Preferably, Figure 1-3 As shown, both sides of the housing 1 are provided with extension openings 104 , and the extension ends of the two ropes 3 extend to the outside through the extension openings 104 .

[0033] Preferably, Figure 1 As shown, the housing 1 includes a base 101 and an upper cover 102 , and the base 101 and the upper cover 102 are detachably connected, so as to facilitate installation and subsequent maintenance.

[0034] Preferably, Figure 1 and Figure 4 As shown, a circular hole is provided on the upper cover 102, and a circular boss 201 is provided on the winding sleeve 2. The circular boss 201 extends into the circular hole, thereby guiding the winding sleeve 2 to rotate. At the same time, the rotation of the winding sleeve 2 can be directly seen on the housing 1.

[0035] Preferably, Figure 3 As shown, a protective sleeve 103 is provided on the outer side of the winding sleeve 2 in the housing 1, so as to protect the rope 3 on the winding sleeve 2 and prevent the rope 3 from loosening.

[0036] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A single-wheel winding power assembly, characterized in that: It includes a shell, in which a planetary gearbox, a drive motor and a winding sleeve are arranged. The main shaft of the drive motor is connected to the input end of the planetary gearbox, the winding sleeve is connected to the output end of the planetary gearbox and is rotatably connected to the shell, a rope is wound on the winding sleeve, and one end of the rope passes through the shell and extends to the outside.

2. A single-wheel winding power assembly according to claim 1, characterized in that: The planetary gearbox includes a fixed sleeve, a primary planetary gear train and a secondary planetary gear train. The fixed sleeve is fixedly connected to the housing, and an inner gear ring is arranged in the fixed sleeve. The primary planetary gear train includes a plurality of primary planetary gears, a primary center wheel and a primary planet carrier. The primary center wheel is connected to the main shaft of the drive motor, and the primary center wheel is located in the fixed sleeve. A plurality of primary planetary gears are respectively meshed with the primary center wheel and the inner gear ring. The primary planet carrier is respectively connected to a plurality of primary planetary gears. The secondary planetary gear train includes a plurality of secondary planetary gears and a secondary center wheel. The secondary center wheel is fixedly connected to the primary planet carrier, and a plurality of secondary planetary gears are respectively meshed with the secondary center wheel and the inner gear ring. The winding sleeve is connected to a plurality of secondary planetary gears.

3. A single-wheel winding power assembly according to claim 1, characterized in that: A winding spiral groove is arranged on the outer side of the winding sleeve, and the rope is wound in the winding spiral groove.

4. A single-wheel winding power assembly according to claim 1, characterized in that: Two ropes are arranged on the winding sleeve, and the protruding ends of the two ropes are respectively located on both sides of the shell and protrude to the outside.

5. A single-wheel winding power assembly according to claim 4, characterized in that: Guide pillars are arranged on both sides of the shell, and the extended ends of the two ropes are respectively wound around the two guide pillars and extended to the outside.

6. A single-wheel winding power assembly according to claim 5, characterized in that: Both sides of the shell are provided with extension openings, and the extension ends of the two ropes extend out to the outside through the extension openings respectively.

7. The single-wheel winding power assembly according to claim 1, characterized in that: The shell comprises a base and an upper cover, and the base and the upper cover are detachably connected.

8. A single-wheel winding power assembly according to claim 7, characterized in that: The upper cover is provided with a circular hole, the winding sleeve is provided with a circular boss, and the circular boss extends into the circular hole.

9. The single-wheel winding power assembly according to claim 1, characterized in that: A protective sleeve is arranged on the outer side of the winding sleeve in the shell.

Images