Clothes airing rod and clothes airing machine

Abstract

The utility model relates to the field of clothes airing machines, in particular to a clothes airing rod and a clothes airing machine, which comprise a fixed rod, a movable rod and a rolling component, the fixed rod and the movable rod are movably sleeved with each other, a movable gap is arranged between the fixed rod and the movable rod, and the rolling component is arranged in the movable gap. The rolling assembly comprises a support and a rolling piece, the support is provided with an installation groove, the rolling piece is arranged in the installation groove in a rolling mode, at least part of the rolling piece protrudes out of the support, and the protruding part of the rolling piece is located in the movable gap. And the movable rod is in rolling contact with the fixed rod and / or the movable rod. The clothes airing rod provided by the utility model can reduce the frictional resistance in the telescopic movement process of the movable rod, so that the clothes airing rod is easier to operate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of clothes drying machine, in particular to a clothes drying rod and clothes drying machine. BACKGROUND

[0002] Clothes drying machine is a common household appliance in daily life, mainly used for airing clothes or quilt, usually including main part installed on the ceiling and clothes drying rack located below the main part, the clothes drying rack is connected with the main part through steel wire rope to realize the lifting of the clothes drying rack.

[0003] The clothes drying rack is divided into single rod type or double rod type, and the clothes drying rod is divided into fixed length type and telescopic type. The telescopic clothes drying rod on the market still has great resistance in adjusting its length, which leads to unsmooth operation and affects the user experience. SUMMARY

[0004] Therefore, the utility model aims at overcoming the defects or deficiencies of prior art, providing a clothes drying rod, which can reduce the friction resistance in the telescopic movement of the movable rod, make it easier to operate and improve the user experience.

[0005] The utility model is realized through the following technical scheme: a clothes drying rod, including fixed rod, movable rod and rolling assembly, the fixed rod and the movable rod are mutually movable and are sleeved, and have movable gap between them, the rolling assembly is detachably connected with the fixed rod and / or the movable rod, the rolling assembly includes support and rolling piece, the support is equipped with installation slot, the rolling piece is arranged in the installation slot and rolls, the rolling piece at least partially protrudes from the support, and the protruding part is located in the movable gap and rolls with the movable rod and / or the fixed rod.

[0006] Compared with prior art, the clothes drying rod provided by the utility model adds support between the fixed rod and the movable rod, sets installation slot on the support, realizes the positioning and installation of the rolling piece through the installation slot, reduces the friction resistance of the telescopic movement of the movable rod relative to the fixed rod through the rolling contact between the rolling piece and the movable rod, makes the telescopic movement of the movable rod more smooth and the operation more convenient, and improves the user experience.

[0007] Further, the rolling assembly includes a first rolling assembly arranged at one end of the movable rod located in the fixed rod, the first rolling assembly includes a first support and a first rolling piece, the first support is provided with a first mounting groove on one side close to the fixed rod, and the other side away from the fixed rod is connected with the movable rod, and the first rolling piece is arranged in the first mounting groove in a rolling mode. By adding the support and the rolling piece at one end of the movable rod located in the fixed rod, the movable rod is in rolling contact with the fixed rod through the rolling piece, and the telescopic movement of the movable rod relative to the fixed rod is realized.

[0008] Further, the first support is a ring-shaped support, which is sleeved at one end of the movable rod located in the fixed rod, at least two sides of the ring-shaped support are provided with the first mounting groove, and the first rolling piece is arranged in the first mounting groove in a corresponding mode. The design of the ring-shaped support helps to improve the overall structural stability of the clothes drying rod, and the rolling piece arranged on at least two surfaces of the ring-shaped support can greatly reduce the friction resistance of the telescopic movement of the movable rod, and can also provide more stable support, reduce the shaking and vibration of the movable rod during the telescopic movement.

[0009] Further, the first rolling assembly is at least two, one of the first rolling assemblies is arranged at one end of the movable rod located in the fixed rod, and the remaining first rolling assemblies are arranged close to one end of the movable rod located in the fixed rod and connected with the movable rod. This helps to enhance the load-bearing capacity of the movable rod in the extended state, and improve the stability and reliability of the movable rod for drying clothes.

[0010] Further, the first rolling piece includes a plurality of rolling columns, and the rolling columns are arranged in the first mounting groove in a parallel mode along a direction perpendicular to the central axis of the movable rod. The rolling columns and the fixed rod are in linear contact rolling contact, the contact area is small, and the friction resistance is small.

[0011] Further, the rolling column includes a rolling column body and two end portions, the diameters of the end portions are smaller than that of the rolling column body, the first mounting groove includes a first accommodating groove and at least two first positioning grooves, the first accommodating groove extends along the central axis of the movable rod, the first positioning grooves are arranged on both sides of the first accommodating groove in a pair of opposite modes and are in communication with the first accommodating groove, the two end portions of the rolling column are arranged in the first positioning grooves in a rolling mode, and the rolling column body is arranged in the first accommodating groove and partially protrudes from the first accommodating groove. Through the design of the rolling column and the mounting groove, the rolling column only needs to be in rolling contact with the ring-shaped support through the two end portions with smaller diameters, the rolling resistance of the rolling column is reduced, and then the friction resistance of the telescopic movement of the movable rod relative to the fixed rod is reduced.

[0012] Further, the rolling assembly comprises a second rolling assembly arranged at one end of the fixed rod and the movable rod, the second rolling assembly comprises a second support and a second rolling element, the second support is provided with a second mounting groove on the side close to the movable rod, and the side away from the movable rod is connected with the fixed rod, and the second rolling element is arranged in the second mounting groove in a rolling mode. By arranging the support and the rolling element in one end of the fixed rod and the movable rod, the rolling element arranged on the fixed rod and the movable rod are in rolling contact, and the telescopic movement of the movable rod relative to the fixed rod is realized.

[0013] Further, the second support is a ring-shaped support arranged in one end of the fixed rod and the movable rod, at least two sides of the ring-shaped support are provided with the second mounting groove, and the second rolling element is arranged in the second mounting groove in a corresponding mode.

[0014] Further, the second rolling element comprises a plurality of rolling columns, and the rolling columns are arranged in the second mounting groove in a parallel mode in the direction perpendicular to the central axis of the movable rod.

[0015] Further, the rolling column comprises a rolling column body and two end portions, the diameter of the end portion is smaller than that of the rolling column body, the second mounting groove comprises a second accommodating groove and at least two second positioning grooves, the second accommodating groove extends in the direction of the central axis of the movable rod, the second positioning grooves are arranged on the two sides of the second accommodating groove in a mode that two by two oppositely, and the second positioning grooves are in communication with the second accommodating groove, the two end portions of the rolling column are arranged in the second positioning grooves in a rolling mode, and the rolling column body is arranged in the second accommodating groove and partially protrudes from the second accommodating groove.

[0016] Further, the clothes drying rod comprises one fixed rod, two movable rods and at least two rolling assemblies, the two ends of the fixed rod are sleeved with the two movable rods respectively, and the at least two rolling assemblies are arranged at the two ends of the fixed rod and are detachably connected with the fixed rod and / or the movable rod. The balance of the clothes drying rod as a whole is improved, and the drying amount is increased.

[0017] The utility model also provides a clothes drying machine which comprises the clothes drying rod as described above.

[0018] In order to better understand and implement, the utility model is described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 FIG. 1 is a structural schematic view of the clothes drying rod according to the first embodiment;

[0020] Figure 2 FIG. 2 is a schematic view of the internal structure of the clothes drying rod according to the first embodiment;

[0021] Figure 3 A partial view of the movable rod according to Embodiment 1;

[0022] Figure 4 A structural view of the first rolling assembly according to Embodiment 1;

[0023] Figure 5 A structural view of the rolling column according to Embodiment 1;

[0024] Figure 6 A structural view of the first limiting member according to Embodiment 1;

[0025] Figure 7 A structural view of the clothes drying rod according to Embodiment 2;

[0026] Figure 8 A structural view of the clothes drying rod according to Embodiment 2;

[0027] Figure 9 A structural view of the second rolling assembly according to Embodiment 2;

[0028] Figure 10 A partial view of the movable rod according to Embodiment 2;

[0029] Figure 11 A structural view of the second limiting member according to Embodiment 2;

[0030] Figure 12 A structural view of the clothes drying rod according to Embodiment 3;

[0031] Figure 13 A structural view of the clothes drying rod according to Embodiment 3.

[0032] Reference numerals: fixed rod 10, 10a, 10b; movable rod 20, 20a, 20b; first engagement recess 21; second engagement recess 22; first rolling assembly 30, 30b; first bracket 31; first mounting groove 311; first accommodation groove 3111; first positioning groove 3112; first engagement protrusion 312; first strip-shaped through hole 313; first sliding support portion 314; first rolling member 32; first limiting member 40; second sliding support portion 41; first flange 42; second rolling assembly 50, 50b; second bracket 51; second mounting groove 511; second accommodation groove 5111; second positioning groove 5112; second flange 512; third sliding support portion 513; second rolling member 52; second limiting member 60; fourth sliding support portion 61; second engagement protrusion 62; second strip-shaped through hole 63; rolling column 70; rolling column main body 71; end portion 72. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0034] Embodiment one

[0035] As shown in Figure 1 and Figure 2 , the utility model provides a clothes airing rod, including fixed rod 10, movable rod 20 and rolling assembly. The fixed rod 10 and the movable rod 20 are mutually movable sleeve setting, and the fixed rod 10 and the movable rod 20 have movable gap, and the rolling assembly includes first rolling assembly 30, and the first rolling assembly 30 is arranged in the movable gap, and is detachably connected with the movable rod. The following will be described in detail for the specific structure of the clothes airing rod.

[0036] The fixed rod 10 is the main support member of the clothes airing rod, and is used for supporting the movable rod 20 and the clothes for airing. The movable rod 20 is movably sleeve set in the fixed rod 10, to flexibly adjust the total length of the clothes airing rod. As shown in Figure 1 , in the embodiment, the movable rod 20 is movably sleeve set in the inside of the fixed rod 10, so that when the movable rod 20 is not needed, the movable rod 20 is pushed into the fixed rod 10, realizes the hiding of the movable rod 20, helps to improve the aesthetic degree and is convenient to use. Of course, in other alternative embodiments, the movable rod 20 can be movably sleeve set in the outside of the fixed rod 10.

[0037] As shown in Figure 1 , the fixed rod 10 of the embodiment is hollow tubular structure. The movable rod 20 can be solid rod body structure, and of course, the movable rod 20 can also be hollow tubular structure, to reduce its weight and manufacturing cost. Preferably, the fixed rod 10 and the movable rod 20 are coaxially arranged. Preferably, the fixed rod 10 and the movable rod 20 are both made by pipe body extrusion forming. Preferably, the fixed rod 10 and the movable rod 20 are coaxially arranged

[0038] In the embodiment, the cross-sectional shape of the fixed rod 10 and the movable rod 20 is rectangular, the movable gap between the fixed rod 10 and the movable rod 20 is an annular gap surrounding the movable rod 20, the cross-sectional shape of the annular gap is rectangular, and the first rolling assembly 30 can be an annular structure matching the cross-sectional shape of the annular gap. Of course, the first rolling assembly 30 can also be a non-annular structure partially matching the cross-sectional shape of the annular gap. It should be noted that the cross-sectional shape of the fixed rod and the movable rod is only exemplary and is not limited to rectangular, but can also be elliptical, circular, or other polygonal shapes, etc.

[0039] As shown in Figure 2 and Figure 4 The first rolling assembly 30 includes a first support 31 and a first rolling piece 32. The first support 31 is arranged at one end of the movable rod 20 located in the fixed rod 10, and a first mounting groove 311 is arranged on the side of the first support 31 close to the fixed rod 10. The side of the first support 31 away from the fixed rod 10 is connected with the movable rod 20. The first rolling piece 32 is arranged in the first mounting groove 311 and at least partially protrudes from the first support 31, and the protruding part is located in the movable gap and in rolling contact with the fixed rod 10. By adding the first support and the first rolling piece at one end of the movable rod 20 located in the fixed rod 10, the movable rod 20 is in rolling contact with the fixed rod 10 through the first rolling piece, and the telescopic movement of the movable rod 20 relative to the fixed rod 10 is realized.

[0040] In the embodiment, the first support 31 is an annular support, the cross-sectional shape of the annular support is rectangular, the annular support is arranged at one end of the movable rod 20 located in the fixed rod 10, and at least two sides of the annular support are provided with the first mounting groove 311. The first rolling piece 32 is arranged in the first mounting groove 311. The design of the annular support helps to improve the overall structural stability of the clothes drying rod. The first rolling piece 32 arranged on at least two surfaces of the annular support can greatly reduce the friction resistance of the telescopic movement of the movable rod 20, and can also provide more stable support to reduce the shaking and vibration of the movable rod 20 during the telescopic movement. Of course, in other alternative embodiments, the first support 31 is not limited to the structure of the annular support, and the first support 31 can also be a support unit arranged in the movable gap. The support unit is at least two, and the side of the support unit close to the fixed rod 10 is provided with the first mounting groove 311, and the side of the support unit away from the fixed rod 10 is connected with the movable rod 20. In the embodiment, the first support 31 and the movable rod 20 are designed in a split type. Of course, in other alternative embodiments, the first support 31 can be designed in an integral type with the movable rod 20.

[0041] The first support 31 is provided with the first installation slot 311 near the upper and lower sides of the fixed rod, the first installation slot 311 extends along the direction of the central axis of the movable rod 20, and the first rolling part 32 includes a plurality of rolling columns 70, and the plurality of rolling columns 70 are arranged in parallel in the first installation slot 311 in a direction perpendicular to the central axis of the movable rod 20.

[0042] As shown in Figure 4 and Figure 5 The rolling column 70 includes a rolling body 71 and two end portions 72, the first installation slot 311 includes a first containing slot 3111 and at least two first positioning slots 3112, the first containing slot 3111 extends along the direction of the central axis of the movable rod 20, the at least two first positioning slots 3112 are arranged oppositely on both sides of the first containing slot 3111 and are in communication with the first containing slot 3111, the two end portions 72 of the rolling column 70 are arranged in the two first positioning slots 3112 oppositely, and the rolling body 71 of the rolling column 70 is arranged in the first containing slot 3111 and partially protrudes from the first containing slot 3111. Through the design of the first positioning slot 3112, the rapid positioning of the rolling column 70 is facilitated, and the installation efficiency is improved. The first positioning slot 3112 is a U-shaped slot.

[0043] As preferred, the diameter of the end portion 72 of the rolling column is smaller than the diameter of the rolling column body 71, the inner diameter of the U-shaped groove is larger than the diameter of the end portion 72 of the rolling column and smaller than the diameter of the rolling column body 71. Through the design of the rolling column 70 and the first positioning groove 3112, the rolling column only needs to be in rolling contact with the first support 31 through the two end portions with smaller diameter, which reduces the rolling resistance of the rolling column 70 and further reduces the frictional resistance of the telescopic movement of the movable rod 20 relative to the fixed rod 10. Further preferably, the depth of the first positioning groove 3112 is greater than the diameter of the end portion 72 of the rolling column and smaller than the depth of the first accommodating groove 3111, so as to hide the two end portions 72 of the rolling column 70 in the first positioning groove 3112 and save space. Of course, in other alternative embodiments, the first mounting groove 311 is not limited to the structure described above, and the first mounting groove 311 can also be a groove, a plurality of rolling columns are arranged in the groove in sequence and roll in the groove, and the rolling columns located in the groove all partially protrude from the groove; or the first mounting groove 311 can also be a plurality of circular arc grooves, and the rolling columns are correspondingly arranged in the circular arc grooves and all partially protrude from the circular arc grooves. It should be noted that the first rolling member in the present embodiment is not limited to a rolling column, but can also be a spherical ball, and correspondingly, the first mounting groove 311 includes a plurality of round hole grooves, the ball and the round hole groove one-to-one correspond, and the ball is arranged in the round hole groove.

[0044] As Figure 3 and Figure 4 As shown in the present embodiment, the first support 31 is provided with a first clamping protrusion 312 on both sides of the front and rear of the movable rod, the movable rod 20 is provided with a first clamping recess 21 corresponding to the first clamping protrusion 312, and the first clamping protrusion 312 matches the first clamping recess 21. Through the cooperation of the first clamping protrusion 312 and the first clamping recess 21, the detachable connection of the first support 31 and the movable rod 20 is realized. Of course, the first support 31 can also be connected with the movable rod 20 through a detachable connection mode such as screw fixation, clamping pin, etc. In addition, the first support 31 can also be fixed on the movable rod 20 by welding.

[0045] The first support 31 is provided with a first strip-shaped through hole 313 extending along the axis direction of the movable rod 20 at positions corresponding to both sides of the first clamping protrusion 312, so that the area of the first support 31 corresponding to the position of the first clamping protrusion 312 has a movable amplitude elasticity inside and outside, thereby providing sufficient space for the first support 31 to be sleeved on the movable rod 20, facilitating the installation of the first support 31.

[0046] In the embodiment, the first support 31 is also provided with a plurality of first sliding support portions 314 facing the front and back sides of the fixed rod 10. The first sliding support portions 314 are long strips arranged in parallel along the central axis of the movable rod 20, so as to reduce the contact area between the first support 31 and the fixed rod 10 and the frictional resistance of the extension and retraction movement of the movable rod 20.

[0047] As shown in Figure 2 and Figure 6 In the embodiment, the clothes drying rod further comprises a first limiting member 40 arranged at one end of the fixed rod 10 and the movable rod 20. Specifically, the first limiting member 40 is a ring-shaped support arranged in the one end of the fixed rod 10 and the movable rod 20. The inner diameter of the first limiting member 40 is greater than the outer diameter of the movable rod 20, and the outer diameter of the first limiting member is less than the outer diameter of the first support 31. Through the above arrangement, the movable rod 20 can move freely inside the first limiting member 40, and the first limiting member 40 can limit the first support 31 to prevent the movable rod 20 from being separated from the fixed rod 10. Preferably, the side of the first limiting member 40 facing the movable rod is provided with a plurality of second sliding support portions 41, which are long strips arranged in parallel along the central axis of the movable rod 20, so as to reduce the contact area between the first limiting member 40 and the movable rod 20 and the frictional resistance of the extension and retraction movement of the movable rod 20. As a preferred, one end of the first limiting member 40 is provided with a first flange 42, which is in abutment with the end of the fixed rod 10. Through the arrangement of the first flange 42, the disassembly and assembly of the first limiting member 40 is facilitated. It should be noted that the first limiting member 40 can be connected to the fixed rod 10 in a detachable manner such as buckle or screw fixation.

[0048] The first rolling assembly 30 is at least two, one of which is arranged at one end of the movable rod 20 located in the fixed rod 10, and the rest of the first rolling assembly 30 is arranged close to one end of the movable rod 20 located in the fixed rod 10 and connected with the movable rod 20. It is helpful to enhance the load-bearing capacity of the movable rod 20 in the extended state, improve the stability and reliability of the movable rod 20 for drying clothes.

[0049] The clothes drying rod comprises one fixed rod 10, two movable rods 20, and at least two first rolling assemblies 30. The two ends of the fixed rod 10 are respectively sleeved with two movable rods 20, and at least two first rolling assemblies 30 are arranged at the two ends of the fixed rod 10 and detachably assembled with the movable rod 20. As a preferred, the two movable rods 20 are symmetrically sleeved at the two ends of the fixed rod 10, so as to ensure the balance of the whole drying rod.

[0050] When assembling, first install the first rolling member 32 in the first mounting groove 311 of the first support 31, then bend the area of the first support 31 corresponding to the position of the first clamping protrusion 312 outward, insert the first support 31 with the installed first rolling member 32 into the movable rod 20, push the first support 31 into the movable rod 20, and make the first clamping protrusion 312 clamped into the first clamping recess 21 of the movable rod 20, so as to complete the installation of the first support 31; after installing two first supports 31, then insert the end of the movable rod 20 with the first support 31 into the inside of the fixed rod 10, then insert the first limiting member 40 from the other end of the movable rod 20 into the fixed rod 10, push it to the fixed rod 10, and clamp the first limiting member 40 at the end of the fixed rod 10, so as to complete the assembly of the clothes drying rod. When it is needed to lengthen the clothes drying rod, the movable rod 20 hidden in the fixed rod 10 is extended, so as to increase the overall length of the clothes drying rod, and the user can dry more clothes. When the amount of clothes is small, the user can push the movable rod 20 into the fixed rod 10, so that the movable rod 20 is hidden in the fixed rod 10, thereby saving space.

[0051] Compared with the prior art, the clothes drying rod provided by the embodiment increases the first support between the fixed rod and the movable rod, sets the first mounting groove on the first support, realizes the positioning and installation of the rolling member through the first mounting groove, reduces the friction resistance of the extension and retraction movement of the movable rod relative to the fixed rod through the rolling contact between the rolling member and the movable rod, makes the extension and retraction movement of the movable rod more smooth, and makes the operation more simple, thereby improving the use experience of the user. It should be noted that the above design for realizing the extension and retraction function of the clothes drying rod is not limited to be applied to the clothes drying rod, but can also be applied to other components with the extension and retraction function in the clothes drying machine, such as the extension and retraction arm of the clothes drying machine, and can also be applied to other home or equipment with the extension and retraction function.

[0052] Embodiment Two

[0053] As shown in Figure 7 and Figure 8 , the embodiment provides a clothes drying rod. The clothes drying rod of the embodiment is basically the same as the clothes drying rod of embodiment one. Specifically, it comprises a fixed rod 10a, a movable rod 20a and a rolling assembly. The fixed rod 10a and the movable rod 20a are movably sleeved with each other, and have an activity gap between the fixed rod 10a and the movable rod 20a. The rolling assembly comprises a second rolling assembly 50, which is arranged in the activity gap and is detachably connected with the fixed rod 10a.

[0054] The differences between the clothes drying rod described in embodiment two and the clothes drying rod described in embodiment one are described in detail below.

[0055] As shown in Figure 8 and Figure 9As shown, the second rolling assembly 50 comprises a second bracket 51 and a second rolling piece 52. The second bracket 51 is arranged in one end of the fixed rod 10a and the movable rod 20a, the second bracket 52 is provided with a second mounting groove 511 on the side close to the movable rod 20a, and the side away from the movable rod 20a is connected with the fixed rod 10a, the second rolling piece 52 is arranged in the second mounting groove 511 and protrudes from the second bracket 51, and the protruding part is located in the movable gap and in rolling contact with the movable rod 20a. By arranging the second bracket and the second rolling piece in one end of the fixed rod 10a and the movable rod 20a, the rolling piece arranged on the fixed rod 10a is in rolling contact with the movable rod 20a, and the movable rod 20a can move relative to the fixed rod 10a.

[0056] In the embodiment, the second bracket 51 is a ring-shaped bracket, the cross-sectional shape of the ring-shaped bracket is rectangular, the ring-shaped bracket is arranged in one end of the fixed rod 10a and the movable rod 20a, the inner diameter of the second bracket 51 is greater than the outer diameter of the movable rod 20a, so that the movable rod 20a can move in the second bracket 51, and at least two sides of the second bracket 51 close to the movable rod 20a are provided with the second mounting groove 511, and the second rolling piece 52 is arranged in the second mounting groove 511. Of course, the second bracket 51 in the embodiment is not limited to the structure of the ring-shaped bracket, and the second bracket 51 can also be a bracket unit arranged in the movable gap, the bracket unit is at least two, the bracket unit is provided with the second mounting groove 511 on the side close to the movable rod 20a, and the side away from the movable rod 20a is fixedly connected with the fixed rod 10a.

[0057] As preferred, one end of the second bracket 51 is provided with a second flange 512, the second flange 512 is in butt joint with the end of the fixed rod 10a, and the second bracket 51 is convenient to disassemble through the arrangement of the second flange 512. The second bracket 51 can be connected with the fixed rod 10a by means of buckle, screw fixation and other detachable modes.

[0058] In the embodiment, the second bracket 51 is provided with the second mounting groove 511 on the upper and lower sides close to the movable rod, the second mounting groove 511 extends along the direction of the central axis of the movable rod 20a, and the second rolling piece 52 comprises a plurality of rolling columns, and the rolling columns are arranged in the second mounting groove 511 in parallel along the direction perpendicular to the central axis of the movable rod 20a.

[0059] The second installation slot 511 described in the embodiment is the same as the first installation slot 311 described in the first embodiment, and the specific structural description is referred to the first embodiment, which will not be repeated here. The second rolling member 52 described in the embodiment is the same as the first rolling member 32 described in the first embodiment, and the specific structural description is referred to the first embodiment, which will not be repeated here.

[0060] The second support 51 is provided with a plurality of third sliding support portions 513 on the front and rear sides of the movable rod 20a. The third sliding support portions 513 are long strips and are arranged in parallel along the central axis of the movable rod 20a, so as to reduce the contact area between the second support 51 and the movable rod 20a and reduce the frictional resistance of the telescopic movement of the movable rod 20a.

[0061] As shown in Figure 2 and Figure 11 The clothes drying rod described in the embodiment further comprises a second limiting member 60, which is arranged at one end of the movable rod 20a located in the fixed rod 10a. Specifically, the second limiting member 60 is an annular support, which is sleeved at one end of the movable rod 20a located in the fixed rod 10a. The outer diameter of the second limiting member 60 is smaller than the inner diameter of the fixed rod 10a and larger than the inner diameter of the second support 51. Through the arrangement of the second limiting member 60, the movable rod 20a can be prevented from being separated from the fixed rod 10a. As a preferred, the side of the second limiting member 60 facing the fixed rod 10a is provided with a plurality of fourth sliding support portions 61, which are long strips and are arranged in parallel along the central axis of the movable rod 20a, so as to reduce the contact area between the second limiting member 60 and the fixed rod 10a and reduce the frictional resistance of the telescopic movement of the movable rod 20a.

[0062] As shown in Figure 10 and Figure 11 The second limiting member 60 is provided with a second clamping protrusion 62 on any two opposite sides of the movable rod. The movable rod 20a is provided with a second clamping recess 22 corresponding to the second clamping protrusion 62, and the second clamping protrusion 62 matches the second clamping recess 22. Through the cooperation of the second clamping protrusion 62 and the second clamping recess 22, the second limiting member 60 and the movable rod 20a are detachably connected. Of course, the second limiting member 60 can also be connected with the movable rod 20a by means of screw fixation, clamping pin and other detachable connection modes. In addition, the second limiting member 60 can also be fixed on the movable rod 20a by welding. Of course, the second limiting member 60 can also be designed in one piece with the movable rod 20a.

[0063] The second limiting piece 60 is provided with a second strip-shaped through hole 63 extending along the axis direction of the second limiting piece 60 at the positions corresponding to both sides of the second clamping protrusion 62. Through the two second strip-shaped through holes 63, the region of the second limiting piece 60 corresponding to the position of the second clamping protrusion 62 has a flexible movement amplitude inside and outside, thereby providing sufficient space for the second limiting piece 60 to be sleeved into the movable rod 20a, facilitating the installation of the second limiting piece 60.

[0064] In the present embodiment, the second limiting piece 60 is at least two, one of which is arranged at one end of the movable rod 20a located in the fixed rod 10a, and the remaining second limiting pieces 60 are arranged close to one end of the movable rod 20a located in the fixed rod 10a and connected with the movable rod 20a. This helps to enhance the load-bearing capacity of the movable rod 20a in the extended state, improve the stability and reliability of the movable rod 20a for drying clothes.

[0065] The drying rod of the present embodiment comprises one fixed rod 10a, two movable rods 20a, and at least two second rolling assemblies 50. The two ends of the fixed rod 10a are respectively sleeved with two movable rods 20a, and at least two second rolling assemblies 50 are arranged at the two ends of the fixed rod 10a and detachably assembled with the fixed rod 10a. As a preferred embodiment, the two movable rods 20a are symmetrically sleeved at the two ends of the fixed rod 10a, thereby ensuring the balance of the whole drying rod.

[0066] Embodiment Three

[0067] As shown in Figure 12 and Figure 13 , the present embodiment provides a drying rod. The drying rod of the present embodiment is basically the same as the drying rod structure of Embodiment One and Embodiment Two. Specifically, it comprises a fixed rod 10b, a movable rod 20b, and a rolling assembly. The fixed rod 10b and the movable rod 20b are movably sleeved with each other, and have an activity gap between them. The rolling assembly comprises a first rolling assembly 30b and a second rolling assembly 50b, which are arranged in the activity gap and are detachably connected with the movable rod 20b and the fixed rod 10b, respectively.

[0068] The first rolling assembly 30b is arranged at one end of the movable rod 20b located in the fixed rod 10b. The first rolling assembly 30b of the present embodiment is the same as the first rolling assembly 30 of Embodiment One, and its specific structure is described in Embodiment One, which will not be repeated here.

[0069] The second rolling assembly 50b is arranged in one end of the fixed rod and the movable rod. The second rolling assembly 50b of the embodiment is the same as the second rolling assembly 50 of the second embodiment, and the specific structure is described in the second embodiment, which will not be repeated here. It should be noted that the first mounting groove is arranged on at least one side of the first support of the first rolling assembly 30b facing the fixed rod 10b, and the second mounting groove is arranged on at least one side of the second support of the second rolling assembly 50b facing the movable rod 20b. Preferably, at least one first mounting groove and at least one second mounting groove are arranged on opposite sides of the movable rod 20b, respectively.

[0070] In the embodiment, the first rolling assembly 30b is at least two, one of which is arranged in one end of the movable rod 20b in the fixed rod 10b, and the rest of the first rolling assembly 30b is arranged close to one end of the movable rod 20b in the fixed rod 10b and connected with the movable rod 20b. It helps to enhance the load-bearing capacity of the movable rod 20 in the extended state, improve the stability and reliability of the movable rod 20 for drying clothes. Of course, in other alternative embodiments, a third limiting member can also be included, which is arranged between the first rolling assembly 30b and the second rolling assembly 50b and connected with the movable rod 20b. The third limiting member 80 can have the same structure as the second limiting member 60 of the second embodiment, and the specific structure is described in the second embodiment, which will not be repeated here.

[0071] Embodiment four

[0072] The embodiment also provides a clothes drying machine, which includes the clothes drying rod as described in the first embodiment, the second embodiment or the third embodiment. The rod body of the clothes drying rod is connected with a main machine or a ceiling area through a steel wire rope, a boom or other connecting structure. The main machine can drive the clothes drying rod to rise or fall by winding or releasing the steel wire rope.

[0073] The terminology used in the embodiments of this application is for the purpose of describing particular embodiments only and is not intended to limit the embodiments of this application. The singular forms “a,” “the,” and “the” used in the embodiments and claims of this application are also intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that, unless otherwise stated, “a plurality” refers to two or more; the terms “first,” “second,” “third,” etc., are used only to distinguish and not to describe a particular order or sequence, nor should they be construed as indicating or implying relative importance. The term “and / or” as used herein refers to and includes any or all possible combinations of one or more associated listed items. When the above description relates to drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. In the description of this application, those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0074] The embodiments described above are merely examples of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A clothes drying bar, characterized in that, The rolling assembly comprises a fixed rod, a movable rod and a rolling assembly, the movable rod is movably sleeved with the fixed rod, and the movable rod has a movable gap with the fixed rod, the rolling assembly is detachably connected with the fixed rod and / or the movable rod, the rolling assembly comprises a bracket and a rolling piece, the bracket is provided with a mounting groove, the rolling piece is rolling arranged in the mounting groove, and the rolling piece is at least partially protruded from the bracket, and the protruded part is located in the movable gap and rolling contacts with the movable rod and / or the fixed rod.

2. The clothes drying bar of claim 1, wherein The rolling assembly comprises a first rolling assembly arranged at one end of the movable rod in the fixed rod, the first rolling assembly comprises a first bracket and a first rolling piece, one side of the first bracket close to the fixed rod is provided with a first mounting groove, and the side away from the fixed rod is connected with the movable rod, and the first rolling piece is rolling arranged in the first mounting groove.

3. The clothes drying bar of claim 2, wherein, The first bracket is a ring-shaped bracket, which is sleeved at one end of the movable rod in the fixed rod, at least two sides of the ring-shaped bracket are provided with the first mounting groove, and the first rolling piece is correspondingly arranged in the first mounting groove.

4. The clothes drying bar of claim 2, wherein, The first rolling assembly is at least two, one of the first rolling assemblies is arranged at one end of the movable rod in the fixed rod, and the remaining first rolling assemblies are arranged close to one end of the movable rod in the fixed rod and connected with the movable rod.

5. The clothes drying bar of claim 2, wherein, The first rolling piece comprises a plurality of rolling columns, and the rolling columns are arranged in parallel in the first mounting groove in the direction perpendicular to the central axis of the movable rod.

6. The clothes drying bar of claim 5, wherein, The rolling column comprises a rolling column body and two end portions, the diameter of the end portion is smaller than the diameter of the rolling column body, the first mounting groove comprises a first containing groove and at least two first positioning grooves, the first containing groove extends in the direction of the central axis of the movable rod, the first positioning grooves are arranged on both sides of the first containing groove in pairs and are in communication with the first containing groove, the two end portions of the rolling column are rolling arranged in the two first positioning grooves respectively, and the rolling column body is arranged in the first containing groove and partially protrudes from the first containing groove.

7. The clothes drying bar of claim 1, wherein The rolling assembly comprises a second rolling assembly arranged at one end of the fixed rod and the movable rod, the second rolling assembly comprises a second bracket and a second rolling piece, one side of the second bracket close to the movable rod is provided with a second mounting groove, and the side away from the movable rod is connected with the fixed rod, and the second rolling piece is rolling arranged in the second mounting groove.

8. The clothes drying bar of claim 7, wherein, The second bracket is a ring-shaped bracket arranged at one end of the fixed rod and the movable rod, at least two sides of the ring-shaped bracket are provided with the second mounting groove, and the second rolling piece is correspondingly arranged in the second mounting groove.

9. The clothes drying bar of claim 7, wherein, The second rolling piece comprises a plurality of rolling columns, and the rolling columns are arranged in parallel in the second mounting groove in the direction perpendicular to the central axis of the movable rod.

10. The clothes drying bar of claim 9, wherein, The rolling column comprises a rolling column body and two end portions, the diameters of the end portions are smaller than that of the rolling column body, the second mounting groove comprises a second accommodating groove and at least two second positioning grooves, the second accommodating groove extends along the direction of the central axis of the movable rod, the at least two second positioning grooves are oppositely arranged on the two sides of the second accommodating groove and are in communication with the second accommodating groove, and the two end portions of the rolling column are respectively arranged in the two second positioning grooves, the rolling column body is arranged in the second accommodating groove and partially protrudes from the second accommodating groove.

11. The clothes drying bar of claim 1, wherein, The clothes airing rod comprises one fixed rod, two movable rods and at least two rolling assemblies, the two ends of the fixed rod are respectively sleeved with the two movable rods, and the at least two rolling assemblies are respectively arranged at the two ends of the fixed rod and are detachably connected with the fixed rod and / or the movable rod.

12. A clothes drying machine characterised in that, The clothes airing rod comprises the clothes airing rod according to any one of claims 1 to 11.

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