High-efficiency mute transmission device for intelligent clothes drying rack and intelligent clothes drying rack

Abstract

The utility model belongs to the technical field of engineering element, concretely relates to a kind of high-efficiency mute transmission device and intelligent clothes rack for intelligent clothes rack, and the transmission device for this clothes rack includes: shell, drive assembly, mute transmission assembly, first take-up and pay-off rope assembly and second take-up and pay-off rope assembly;Drive assembly drives mute transmission assembly to rotate, and then drive first take-up and pay-off rope assembly, second take-up and pay-off rope assembly to rotate, to make the clothesline that is wound on first take-up and pay-off rope assembly, second take-up and pay-off rope assembly be released or be retracted through first take-up and pay-off port, second take-up and pay-off port;The utility model can reduce the stress on drive assembly, first take-up and pay-off rope group, second take-up and pay-off rope assembly, and mute transmission assembly is more smooth in transmission process, overcome the problem of drive assembly jamming, improve transmission efficiency, reduce noise generation, realize mute winding clothesline, satisfy the use demand of high comfort degree.

Description

Technical Field

[0001] This utility model belongs to the field of engineering component technology, specifically relating to transmission devices, and more particularly to a high-efficiency silent transmission device for an intelligent clothes drying rack and an intelligent clothes drying rack. Background Technology

[0002] Traditional clothes drying racks use a direct connection between the motor and the drum, which means that the weight of the items to be dried is directly applied to the motor and the drum. This can cause the motor to jam, affecting drying efficiency.

[0003] At the same time, the excessive friction between the motor and the drum results in loud noise during the motor's drive of the drum, affecting user comfort.

[0004] Therefore, there is an urgent need to develop a new high-efficiency silent transmission device for intelligent clothes drying racks and an intelligent clothes drying rack to solve the technical problems of motor jamming and loud noise caused by the direct connection between the motor and the drum in traditional clothes drying racks.

[0005] It should be noted that the information disclosed in this background section is only for understanding the background technology of the present application concept, and therefore, the above description is not considered to constitute prior art information. Utility Model Content

[0006] This disclosure provides at least one high-efficiency silent transmission device for a smart clothes drying rack and a smart clothes drying rack.

[0007] In a first aspect, embodiments of this disclosure provide a transmission device for a clothes rack, comprising: a housing, a drive assembly, a silent transmission assembly, a first rope winding assembly, and a second rope winding assembly; wherein the drive assembly is connected to the housing, the silent transmission assembly, the first rope winding assembly, and the second rope winding assembly are located inside the housing and rotatably connected to the housing, and the drive assembly is movably connected to the silent transmission assembly; the housing has a first winding opening and a second winding opening, the first winding opening and the second winding opening being respectively disposed facing the first rope winding assembly and the second rope winding assembly; the drive assembly is adapted to drive the silent transmission assembly to rotate, thereby driving the first rope winding assembly and the second rope winding assembly to rotate, so that the clothes rope wound on the first rope winding assembly and the second rope winding assembly is released or retracted through the first winding opening and the second winding opening.

[0008] In one optional embodiment, the drive assembly includes a brushless motor and a drive worm gear; the brushless motor is connected to the housing, the output shaft of the brushless motor is connected to the drive worm gear, and the drive worm gear meshes with a silent transmission assembly; the brushless motor is adapted to drive the drive worm gear to rotate, thereby driving the silent transmission assembly to rotate.

[0009] In one optional embodiment, the silent transmission assembly includes: a first transmission unit and a second transmission unit; the first transmission unit and the second transmission unit are mirror images of the drive worm gear, and the first transmission unit and the second transmission unit are respectively engaged with the drive worm gear; the first transmission unit and the second transmission unit are respectively connected to a first rope winding / unwinding assembly and a second rope winding / unwinding assembly; the first transmission unit and the second transmission unit are adapted to rotate under the drive of the drive worm gear, thereby driving the first rope winding / unwinding assembly and the second rope winding / unwinding assembly to rotate.

[0010] In one optional embodiment, the first transmission unit includes: a first worm gear, a first pinion, and a first large gear; the first worm gear meshes with a drive worm, the first pinion is connected to and concentrically arranged with the first worm gear, and the first large gear meshes with the first pinion; the first large gear is connected to and concentrically arranged with a first rope take-up and release assembly; the first worm gear is adapted to rotate under the drive of the drive worm, thereby driving the first pinion, the first large gear, and the first rope take-up and release assembly to rotate.

[0011] In one alternative embodiment, the diameter of the first large gear is greater than the diameter of the first worm gear, and the diameter of the first worm gear is greater than the diameter of the first small gear; the number of teeth of the first large gear is greater than the number of teeth of the first worm gear, and the number of teeth of the first worm gear is greater than the number of teeth of the first small gear.

[0012] In one optional embodiment, the first clothesline assembly includes: a first drum; the first drum is connected to and concentrically arranged with a first large gear, and a first spiral groove is provided on the first drum; the first drum is adapted to wind the clothesline through the first spiral groove, and the first drum is adapted to rotate under the drive of the first large gear to wind and unwind the clothesline.

[0013] In one optional embodiment, the second transmission unit includes: a second worm gear, a second pinion, and a second large gear; the second worm gear meshes with a drive worm, the second pinion is connected to and concentrically arranged with the second worm gear, and the second large gear meshes with the second pinion; the second large gear is connected to and concentrically arranged with a second rope take-up and release assembly; the second worm gear is adapted to rotate under the drive worm, thereby driving the second pinion, the second large gear, and the second rope take-up and release assembly to rotate.

[0014] In one alternative embodiment, the diameter of the second large gear is larger than the diameter of the second worm gear, and the diameter of the second worm gear is larger than the diameter of the second small gear; the number of teeth of the second large gear is greater than the number of teeth of the second worm gear, and the number of teeth of the second worm gear is greater than the number of teeth of the second small gear.

[0015] In one optional embodiment, the second clothesline assembly includes: a second drum; the second drum is connected to and concentrically arranged with a second large gear, and a second spiral groove is provided on the second drum; the second drum is adapted to wind the clothesline through the second spiral groove, and the second drum is adapted to rotate under the drive of the second large gear to wind and unwind the clothesline.

[0016] Secondly, embodiments of this disclosure also provide a clothes rack, which includes: a clothes rod, a clothes rope, and a transmission device for the clothes rack as described above; wherein the clothes rope connects the transmission device for the clothes rack and the clothes rod; the transmission device for the clothes rack is adapted to wind up and unwind the clothes rope to raise and lower the clothes rod.

[0017] The beneficial effects of this utility model are that it connects the drive assembly with the first and second rope winding assemblies through a silent transmission assembly, reducing the stress on the drive assembly, the first and second rope winding assemblies. Furthermore, the silent transmission assembly makes the transmission process smoother, overcoming the problem of the drive assembly getting stuck and improving transmission efficiency. By using a silent transmission assembly for transmission and having the silent transmission assembly, the first and second rope winding assemblies housed within the housing, noise generation can be reduced, achieving silent winding of the clothesline and meeting the demand for high comfort.

[0018] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objectives and other advantages of this invention are realized and obtained through the structures particularly pointed out in the description and the accompanying drawings.

[0019] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, preferred embodiments are described in detail below with reference to the accompanying drawings. Attached Figure Description

[0020] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0021] Figure 1 A structural diagram of a transmission device for a clothes rack provided in an embodiment of this disclosure; Figure 2 This is an internal structural diagram of a transmission device for a clothes rack provided in an embodiment of the present disclosure; Figure 3 This is a structural diagram of a silent transmission assembly provided in an embodiment of the present disclosure.

[0022] In the picture: 1. Shell; 11. First opening; 12. Second opening; 2. Drive assembly; 21. Brushless motor; 211. Output shaft; 22. Drive worm gear; 3. Silent transmission assembly; 31. First transmission unit; 311. First worm gear; 312. First pinion; 313. First large gear; 32. Second transmission unit; 321. Second worm gear; 322. Second pinion; 323. Second large gear; 4. First rope winding / unwinding assembly; 41. First drum; 411. First spiral groove; 5. Second rope winding / unwinding assembly; 51. Second drum; 511. Second spiral groove; 6. Control panel. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0024] In this document, when it is mentioned that a first component is located on a second component, this can mean that the first component can be directly formed on the second component, or that a third component can be inserted between the first and second components. Furthermore, in the accompanying drawings, the thickness of the components may be exaggerated or reduced for the purpose of effectively describing the technical content.

[0025] In this document, when an element or layer is referred to as “located,” “joined to,” “connected to,” “attached to,” or “coupled to” another element or layer, it may be directly located, joined, connected, attached to, or coupled to the other element or layer, or there may be intermediate elements or layers present. Conversely, when an element is referred to as “directly on another element or layer,” “directly joined to,” “directly connected to,” “directly attached to,” or “directly coupled to” another element or layer, there may be no intermediate elements or layers present. Other terms used to describe relationships between elements should be interpreted in a similar manner (e.g., “between” versus “directly between,” “adjacent” versus “directly adjacent,” etc.). As used herein, the term “and / or” includes any and all combinations of one or more of the related listed items.

[0026] In this document, exemplary embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings. As used herein, expressions such as “at least one of…” modify the entire list of elements when following a list of elements, rather than individual elements in the list. For example, the expression “at least one of a, b, and c” should be understood to include only a, only b, only c, both a and b, both a and c, both b and c, or all of a, b, and c.

[0027] The terminology used herein is for the purpose of describing specific exemplary configurations only and is not intended to be limiting. As used herein, the singular articles “a,” “an,” and “the” may also be intended to include plural forms unless otherwise clearly stated herein. The terms “comprising,” “including,” and “having” are inclusive and thus specify the presence of features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The method steps, processes, and operations described herein should not be construed as requiring them to be performed in the specific order discussed or shown, unless specifically identified as such. Additional or alternative steps may be employed.

[0028] As used herein, the phrases “in one embodiment,” “according to one embodiment,” “in some embodiments,” etc., generally refer to the fact that a particular feature, structure, or characteristic following the phrase can be included in at least one embodiment of this disclosure. Therefore, a particular feature, structure, or characteristic can be included in more than one embodiment of this disclosure, such that these phrases do not necessarily refer to the same embodiment. As used herein, the terms “example,” “exemplary,” etc., are used to “serve as an example, instance, or illustration.” Any implementation, aspect, or design described herein as “example” or “exemplary” is not necessarily to be construed as preferred or superior to other implementations, aspects, or designs. Rather, the use of the terms “example,” “exemplary,” etc., is intended to present concepts in a specific manner.

[0029] Research has found that traditional clothes drying racks use a direct connection between the motor and the drum. This results in the weight of the items being dried being applied directly to both the motor and the drum, causing the motor to jam and affecting drying efficiency. Additionally, the excessive friction between the motor and the drum generates significant noise as the motor drives the drum, impacting user comfort.

[0030] Based on the above research, this disclosure provides a high-efficiency silent transmission device for intelligent clothes drying racks and an intelligent clothes drying rack. It can reduce the force on the drive component, the first rope winding and unwinding group, and the second rope winding and unwinding group. Furthermore, the silent transmission component is smoother during transmission, overcoming the problem of the drive component jamming, improving transmission efficiency, reducing noise generation, achieving silent winding of the clothes drying rope, and meeting the high comfort requirements of use.

[0031] The shortcomings of the above solutions are the result of the utility model inventor's practice and careful research. Therefore, the discovery process of the above problems and the solutions proposed in this disclosure should be considered as contributions made by the utility model inventor to this disclosure.

[0032] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0033] The following detailed description, with reference to the accompanying drawings, describes some embodiments of the present invention. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0034] like Figures 1 to 3 As shown, at least one embodiment provides a transmission device for a clothes rack, comprising: a housing 1, a drive assembly 2, a silent transmission assembly 3, a first rope winding / unwinding assembly 4, and a second rope winding / unwinding assembly 5; wherein the drive assembly 2 is connected to the housing 1, the silent transmission assembly 3, the first rope winding / unwinding assembly 4, and the second rope winding / unwinding assembly 5 are located inside the housing 1 and rotatably connected to the housing 1, and the drive assembly 2 is movably connected to the silent transmission assembly 3; the housing 1 has a first winding / unwinding opening 11 and a second winding / unwinding opening 12, the first winding / unwinding opening 11 and the second winding / unwinding opening 12 respectively facing the first rope winding / unwinding assembly 4 and the second rope winding / unwinding assembly 5; the drive assembly 2 is adapted to drive the silent transmission assembly 3 to rotate, thereby driving the first rope winding / unwinding assembly 4 and the second rope winding / unwinding assembly 5 to rotate, so that the clothes rope wound on the first rope winding / unwinding assembly 4 and the second rope winding / unwinding assembly 5 is released or retracted through the first winding / unwinding opening 11 and the second winding / unwinding opening 12.

[0035] Specifically, the housing 1 serves to fix and install the components.

[0036] Specifically, the housing 1 also serves to block sound, reducing the noise generated by the drive assembly 2, the silent transmission assembly 3, the first rope winding and unwinding assembly 4, and the second rope winding and unwinding assembly 5 during movement, thus achieving overall silent transmission.

[0037] In at least one embodiment, the drive assembly 2 is connected to the first rope winding assembly 4 and the second rope winding assembly 5 by the silent transmission assembly 3, which reduces the force on the drive assembly 2, the first rope winding assembly 4, and the second rope winding assembly 5. The silent transmission assembly 3 is smoother during transmission, overcomes the problem of the drive assembly 2 getting stuck, and improves transmission efficiency. The silent transmission assembly 3 is used for transmission, and the silent transmission assembly 3, the first rope winding assembly 4, and the second rope winding assembly 5 are set in the housing 1, which can reduce noise generation and realize silent winding of the clothesline, meeting the high comfort requirements.

[0038] In at least one embodiment, please refer to Figure 3 The drive assembly 2 includes a brushless motor 21 and a drive worm gear 22; the brushless motor 21 is connected to the housing 1, the output shaft 211 of the brushless motor 21 is connected to the drive worm gear 22, and the drive worm gear 22 meshes with the silent transmission assembly 3; the brushless motor 21 is adapted to drive the drive worm gear 22 to rotate, thereby driving the silent transmission assembly 3 to rotate.

[0039] Specifically, by setting a brushless motor 21 as the power source, the noise generated during the transmission process can be further reduced.

[0040] Specifically, the output shaft 211 of the brushless motor 21 drives the drive worm gear 22 to rotate, which can synchronize the silent transmission assembly 3 to rotate synchronously.

[0041] Specifically, the drive worm 22 meshes with the silent transmission assembly 3 to realize the transmission between the drive worm 22 and the silent transmission assembly 3.

[0042] Specifically, please refer to Figure 2 The brushless motor 21 is electrically connected to the control board 6, which integrates circuit components such as controllers.

[0043] In at least one embodiment, please refer to Figure 2 The silent transmission assembly 3 includes: a first transmission unit 31 and a second transmission unit 32; the first transmission unit 31 and the second transmission unit 32 are mirror images of the drive worm gear 22, and the first transmission unit 31 and the second transmission unit 32 are respectively engaged with the drive worm gear 22; the first transmission unit 31 and the second transmission unit 32 are respectively connected to the first rope winding assembly 4 and the second rope winding assembly 5; the first transmission unit 31 and the second transmission unit 32 are adapted to rotate under the drive of the drive worm gear 22, thereby driving the first rope winding assembly 4 and the second rope winding assembly 5 to rotate.

[0044] Specifically, the first transmission unit 31 and the second transmission unit 32 rotate synchronously under the drive of the worm gear 22, playing a role in transmission, sharing the force, reducing the risk of failure of the drive assembly 2, and thus improving transmission efficiency.

[0045] Specifically, the first transmission unit 31 and the second transmission unit 32 are mirror images of the drive worm gear 22, which enables the first rope winding and unwinding assembly 4 and the second rope winding and unwinding assembly 5 to simultaneously wind up or unwind the clothesline.

[0046] In at least one embodiment, please refer to Figure 3The first transmission unit 31 includes: a first worm gear 311, a first pinion 312, and a first gear 313; the first worm gear 311 meshes with the drive worm 22, the first pinion 312 is connected to the first worm gear 311 and is concentrically arranged, and the first gear 313 meshes with the first pinion 312; the first gear 313 is connected to the first rope winding and unwinding assembly 4 and is concentrically arranged; the first worm gear 311 is adapted to rotate under the drive of the drive worm 22, thereby driving the first pinion 312, the first gear 313, and the first rope winding and unwinding assembly 4 to rotate.

[0047] Specifically, the first worm gear 311, the first pinion 312, and the first gear 313 cooperate with each other with different transmission ratios, resulting in smoother transmission and less noise.

[0048] In at least one embodiment, the diameter of the first large gear 313 is larger than the diameter of the first worm gear 311, and the diameter of the first worm gear 311 is larger than the diameter of the first small gear 312; the number of teeth of the first large gear 313 is greater than the number of teeth of the first worm gear 311, and the number of teeth of the first worm gear 311 is greater than the number of teeth of the first small gear 312, thereby sharing the force.

[0049] In at least one embodiment, please refer to Figure 3 The first clothesline assembly 4 includes: a first drum 41; the first drum 41 is connected to and concentrically arranged with a first large gear 313, and a first spiral groove 411 is provided on the first drum 41; the first drum 41 is adapted to wind the clothesline through the first spiral groove 411, and the first drum 41 is adapted to rotate under the drive of the first large gear 313 to wind and unwind the clothesline.

[0050] Specifically, the first drum 41 rotates synchronously with the first large gear 313, and the first spiral groove 411 on the first drum 41 can realize the winding or unwinding of the clothesline.

[0051] In at least one embodiment, please refer to Figure 3 The second transmission unit 32 includes: a second worm gear 321, a second pinion 322, and a second large gear 323; the second worm gear 321 meshes with the drive worm 22, the second pinion 322 is connected to the second worm gear 321 and is concentrically arranged, and the second large gear 323 meshes with the second pinion 322; the second large gear 323 is connected to the second rope winding and unwinding assembly 5 and is concentrically arranged; the second worm gear 321 is adapted to rotate under the drive of the drive worm 22, thereby driving the second pinion 322, the second large gear 323, and the second rope winding and unwinding assembly 5 to rotate.

[0052] Specifically, the second worm gear 321, the second pinion 322, and the second large gear 323 cooperate with each other with different transmission ratios, resulting in smoother transmission and less noise.

[0053] In at least one embodiment, please refer to Figure 3 The diameter of the second large gear 323 is larger than the diameter of the second worm gear 321, and the diameter of the second worm gear 321 is larger than the diameter of the second small gear 322; the number of teeth of the second large gear 323 is greater than the number of teeth of the second worm gear 321, and the number of teeth of the second worm gear 321 is greater than the number of teeth of the second small gear 322, which plays a role in sharing the force.

[0054] In at least one embodiment, please refer to Figure 3 The second clothesline assembly 5 includes: a second drum 51; the second drum 51 is connected to and concentrically arranged with the second large gear 323, and a second spiral groove 511 is provided on the second drum 51; the second drum 51 is adapted to wind the clothesline through the second spiral groove 511, and the second drum 51 is adapted to rotate under the drive of the second large gear 323 to wind and unwind the clothesline.

[0055] Specifically, the second drum 51 rotates synchronously with the second large gear 323, and the second spiral groove 511 on the second drum 51 can realize the winding or unwinding of the clothesline.

[0056] Based on the same technical concept, at least one embodiment also provides a clothes rack, which includes: a clothes rod, a clothes rope, and a transmission device for the clothes rack as described above; wherein the clothes rope connects the transmission device for the clothes rack and the clothes rod; the transmission device for the clothes rack is adapted to wind up and unwind the clothes rope to raise and lower the clothes rod.

[0057] In summary, this utility model connects the drive assembly with the first and second rope winding assemblies via a silent transmission component, reducing the stress on the drive assembly, the first rope winding assembly, and the second rope winding assembly. Furthermore, the silent transmission component ensures smoother transmission during operation, overcoming the problem of the drive assembly jamming and improving transmission efficiency. By utilizing the silent transmission component and housing the silent transmission component, the first rope winding assembly, and the second rope winding assembly within the casing, noise generation is reduced, achieving silent winding of the clothesline and meeting the demand for high comfort.

[0058] In the description of the embodiments of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0059] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, terms such as "first," "second," and other numerical terms used herein do not imply order or sequence unless expressly indicated herein. Therefore, without departing from the teachings of the exemplary embodiments, the first element, component, region, layer, or segment discussed above may be referred to as the second element, component, region, layer, or segment.

[0060] Spatially relative terms, such as “inside,” “outside,” “below,” “below,” “down,” “above,” “up,” etc., may be used herein to describe the relationship between one element or feature illustrated in the figures and another element or feature. In addition to the orientations depicted in the figures, spatially relative terms may be intended to cover different orientations of the device in use or operation. For example, if the device in the figure is flipped, an element described as “below” or “below” other elements or features would be oriented as “above” other elements or features. Thus, the example term “below” can cover both above and below orientations. The device may be oriented in other ways (rotated 90 degrees or in other orientations), and the spatially relative descriptors used herein are interpreted accordingly.

[0061] In the above discussion, unless otherwise stated, when used to describe numerical values, the terms “about,” “approximately,” “basically,” etc., indicate a change of + / - 10% in that value.

[0062] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A transmission device for a clothes drying rack, characterized in that, include: The components include: housing (1), drive assembly (2), silent transmission assembly (3), first rope retraction assembly (4), and second rope retraction assembly (5); among which... The drive assembly (2) is connected to the housing (1), the silent transmission assembly (3), the first rope winding and unwinding assembly (4), and the second rope winding and unwinding assembly (5) are located inside the housing (1) and are rotatably connected to the housing (1), and the drive assembly (2) is movably connected to the silent transmission assembly (3). The housing (1) is provided with a first retractable opening (11) and a second retractable opening (12), and the first retractable opening (11) and the second retractable opening (12) are respectively positioned facing the first retractable rope assembly (4) and the second retractable rope assembly (5); The drive assembly (2) is adapted to drive the silent transmission assembly (3) to rotate, thereby driving the first rope winding assembly (4) and the second rope winding assembly (5) to rotate, so that the clothesline wound on the first rope winding assembly (4) and the second rope winding assembly (5) can be released or retracted through the first winding port (11) and the second winding port (12).

2. The transmission device for a clothes rack as described in claim 1, characterized in that, The drive assembly (2) includes: a brushless motor (21) and a drive worm (22); The brushless motor (21) is connected to the housing (1), the output shaft (211) of the brushless motor (21) is connected to the drive worm (22), and the drive worm (22) meshes with the silent transmission assembly (3); The brushless motor (21) is adapted to drive the drive worm (22) to rotate, thereby driving the silent transmission assembly (3) to rotate.

3. The transmission device for a clothes rack as described in claim 2, characterized in that, The silent transmission assembly (3) includes: a first transmission unit (31) and a second transmission unit (32); The first transmission unit (31) and the second transmission unit (32) are mirror images of the drive worm (22), and the first transmission unit (31) and the second transmission unit (32) are respectively engaged with the drive worm (22); The first transmission unit (31) and the second transmission unit (32) are respectively connected to the first rope winding and unwinding assembly (4) and the second rope winding and unwinding assembly (5); The first transmission unit (31) and the second transmission unit (32) are adapted to rotate under the drive of the drive worm (22), thereby driving the first rope winding and unwinding assembly (4) and the second rope winding and unwinding assembly (5) to rotate.

4. The transmission device for a clothes rack as described in claim 3, characterized in that, The first transmission unit (31) includes: a first worm gear (311), a first pinion (312) and a first gear (313). The first worm gear (311) meshes with the drive worm (22), the first pinion (312) is connected to the first worm gear (311) and is concentrically arranged, and the first gear (313) meshes with the first pinion (312); The first large gear (313) is connected to and concentrically arranged with the first rope winding and unwinding assembly (4); The first worm gear (311) is adapted to rotate under the drive of the drive worm (22), thereby driving the first pinion (312), the first gear (313) and the first rope winding and unwinding assembly (4) to rotate.

5. The transmission device for a clothes rack as described in claim 4, characterized in that, The diameter of the first large gear (313) is larger than the diameter of the first worm gear (311), and the diameter of the first worm gear (311) is larger than the diameter of the first small gear (312); The number of teeth of the first large gear (313) is greater than the number of teeth of the first worm gear (311), and the number of teeth of the first worm gear (311) is greater than the number of teeth of the first small gear (312).

6. The transmission device for a clothes rack as described in claim 4, characterized in that, The first rope winding assembly (4) includes: a first drum (41); The first drum (41) is connected to the first large gear (313) and is concentrically arranged. The first drum (41) has a first spiral groove (411). The first drum (41) is adapted to wind the clothesline through the first spiral groove (411), and the first drum (41) is adapted to rotate under the drive of the first large gear (313) to wind and unwind the clothesline.

7. The transmission device for a clothes rack as described in claim 3, characterized in that, The second transmission unit (32) includes: a second worm gear (321), a second pinion (322), and a second large gear (323); The second worm gear (321) meshes with the drive worm (22), the second pinion (322) is connected to the second worm gear (321) and is concentrically arranged, and the second large gear (323) meshes with the second pinion (322); The second large gear (323) is connected to and concentrically arranged with the second rope winding and unwinding assembly (5); The second worm gear (321) is adapted to rotate under the drive of the drive worm (22), thereby driving the second pinion (322), the second gear (323) and the second rope winding assembly (5) to rotate.

8. The transmission device for a clothes rack as described in claim 7, characterized in that, The diameter of the second large gear (323) is larger than the diameter of the second worm gear (321), and the diameter of the second worm gear (321) is larger than the diameter of the second small gear (322); The number of teeth of the second large gear (323) is greater than the number of teeth of the second worm gear (321), and the number of teeth of the second worm gear (321) is greater than the number of teeth of the second small gear (322).

9. The transmission device for a clothes rack as described in claim 7, characterized in that, The second rope winding assembly (5) includes: a second drum (51); The second drum (51) is connected to and concentrically arranged with the second large gear (323), and a second spiral groove (511) is provided on the second drum (51). The second drum (51) is adapted to wind the clothesline through the second spiral groove (511), and the second drum (51) is adapted to rotate under the drive of the second large gear (323) to wind and unwind the clothesline.

10. A clothes drying rack, characterized in that, include: Clothes drying pole, clothes drying rope, and transmission device for clothes drying rack as described in any one of claims 1-9; in The clothesline is connected to the clothes rack via a transmission device and a clothes rod. The clothes rack transmission device is adapted to retract and extend the clothesline to raise and lower the clothesline.

Images