Angle adjusting mechanism for clothes hanger and clothes hanger

Abstract

The utility model discloses an angle adjusting mechanism for a clothes hanger and the clothes hanger. The device comprises a rotating shaft, a first connecting disc, a second connecting disc, a third connecting disc, a fourth connecting disc, a limiting module and a locking module, and the first connecting disc, the second connecting disc, the third connecting disc and the fourth connecting disc are sequentially arranged on the rotating shaft from inside to outside and can rotate along the rotating shaft. The limiting module is used for limiting the relative rotation angle of the first connecting disc and the second connecting disc, and the locking module is used for locking / unlocking the third connecting disc and the fourth connecting disc. The folding chair has the advantages of being simple to operate, adjustable in unfolding angle and small in occupied area after being folded.

Description

Technical Field

[0001] The utility model relates to the field of angle adjustment mechanisms, in particular to an angle adjustment mechanism for a clothes drying rack and the clothes drying rack. Background Art

[0002] Traditional clothes drying racks dry clothes by natural airing, and clothes can be dried quickly on a sunny day with good ventilation. However, with the popularization of urbanization, more and more people live in buildings, and traditional clothes drying racks adopt an integrated design, which occupies a large area and has many limitations in use.

[0003] The new foldable clothes drying rack solves the problem that the traditional clothes drying rack occupies a large area, but its foldable mechanism cannot adjust the unfolding angle, occupies a large area after folding, and is complicated to operate. Summary of the invention

[0004] In order to solve the above technical problems, the utility model provides an angle adjustment mechanism for a clothes drying rack and a clothes drying rack, which has the advantages of simple operation, adjustable unfolding angle and small footprint after folding.

[0005] In order to solve the above problems, the utility model adopts the following technical solutions:

[0006] The utility model discloses an angle adjustment mechanism for a clothes drying rack, comprising a rotating shaft, a first connecting plate, a second connecting plate, a third connecting plate, a fourth connecting plate, a limiting module and a locking module. The first connecting plate, the second connecting plate, the third connecting plate and the fourth connecting plate are sequentially arranged on the rotating shaft from the inside to the outside and can all rotate along the rotating shaft. The limiting module is used to limit the relative rotation angle of the first connecting plate and the second connecting plate, and the locking module is used to lock / unlock the third connecting plate and the fourth connecting plate.

[0007] In this solution, a clothes drying rack is composed of two angle adjustment mechanisms and four U-shaped clothes drying brackets. The two ends of the clothes drying bracket on the lower left side are respectively connected to the first connecting plates of the two angle adjustment mechanisms, the two ends of the clothes drying bracket on the lower right side are respectively connected to the second connecting plates of the two angle adjustment mechanisms, the two ends of the clothes drying bracket on the upper left side are respectively connected to the third connecting plates of the two angle adjustment mechanisms, and the two ends of the clothes drying bracket on the upper right side are respectively connected to the fourth connecting plates of the two angle adjustment mechanisms. Before using the clothes drying rack, the two clothes drying brackets on the lower side are first pulled outward, and the first connecting plates of the two angle adjustment mechanisms are adjusted. After the connecting disk and the corresponding second connecting disk are unfolded to the maximum angle, the corresponding limit module restricts the first connecting disk and the corresponding second connecting disk, so that the first connecting disk and the corresponding second connecting disk cannot continue to rotate relative to each other. At this time, the two clothes drying racks on the lower side can support the ground, and then the two clothes drying racks on the upper side are unfolded, and the two clothes drying racks drive the third connecting disk and the corresponding fourth connecting disk in the corresponding angle adjustment mechanism to rotate relative to each other. When the third connecting disk and the corresponding fourth connecting disk are at a preset angle, the third connecting disk and the corresponding fourth connecting disk are locked by the locking module to achieve the adjustment of the unfolding angle.

[0008] Preferably, the locking module includes a driving device and a plurality of locking blocks arranged in a circle with a rotating shaft as the center, the locking block is arranged on the first connecting disk, the limiting module includes a plurality of first arc-shaped limiting holes arranged along the circumference of the second connecting disk, the first arc-shaped limiting holes correspond to the locking blocks one by one, and the locking blocks can move in the corresponding first arc-shaped limiting holes, the driving device is used to drive the locking blocks to extend / retract the corresponding first arc-shaped limiting holes, when the locking blocks extend outward from the corresponding first arc-shaped limiting holes, the third connecting disk and the fourth connecting disk can be locked, and when the locking blocks retract into the corresponding first arc-shaped limiting holes, the third connecting disk and the fourth connecting disk can be unlocked.

[0009] Preferably, the third connecting disk is provided with a plurality of first locking holes along the circumferential direction, and the first locking holes correspond to and match the locking blocks one by one. The inner side of the fourth connecting disk is provided with a plurality of first locking parts along the circumferential direction, and the first locking parts correspond to and match the locking blocks one by one. When the third connecting disk is rotated to the first position, the locking block is opposite to the corresponding first locking holes, and when the fourth connecting disk is rotated to the second position, the locking block is opposite to the corresponding first locking parts.

[0010] Preferably, the third connecting disk is also provided with a plurality of second locking holes along the circumferential direction, and the second locking holes correspond to and match the locking blocks one by one. The inner side of the fourth connecting disk is also provided with a plurality of second locking parts along the circumferential direction, and the second locking parts correspond to and match the locking blocks one by one. When the third connecting disk is rotated to the third position, the locking block is opposite to the corresponding second locking holes, and when the fourth connecting disk is rotated to the fourth position, the locking block is opposite to the corresponding second locking parts.

[0011] Preferably, the driving device includes a knob and a plurality of arc-shaped guide strips, the knob being arranged on the inner side of the first connecting disk, the knob being coaxial with the rotating shaft and rotatably connected, the arc-shaped guide strip corresponding to the locking block one by one, the arc-shaped guide strip being arranged between the first connecting disk and the second connecting disk, two ends of the arc-shaped guide strip being connected to the knob through the connecting strip, a second arc-shaped limiting hole is provided on the first connecting disk at positions corresponding to the two ends of the arc-shaped guide strip, the connecting strip passes through the corresponding second arc-shaped limiting hole, an elastic component is provided between the locking block and the first connecting disk, a guide surface is provided on the inner side of the arc-shaped guide strip, the guide surface is inclined outward in a clockwise direction, the locking block includes a limiting block, a sliding block and a connecting block, the sliding block can slide along the corresponding guide surface, the connecting block is fixedly connected to the outer side of the sliding block, the limiting block is fixedly connected to the outer side of the connecting block, the limiting block can move along the corresponding first arc-shaped limiting hole, and the elastic component is used to make the sliding block close to the corresponding guide surface.

[0012] Preferably, the elastic component includes a return spring, a sliding groove is provided at the position of the first connecting disk corresponding to the connecting block, the connecting block can slide in the sliding groove, and the return spring is arranged between the sliding block and the inner side wall of the sliding groove.

[0013] The first locking part is a locking groove on the locking protrusion provided on the inner side of the fourth connecting disk, and the second locking part is a locking surface provided on one side of the locking protrusion. When the third connecting disk rotates to the first position and the fourth connecting disk rotates to the second position, the knob is rotated counterclockwise to drive the knob to drive the arc-shaped guide strip to rotate counterclockwise with the rotating shaft as the center of the circle. Since the guide surface of the arc-shaped guide strip is inclined outward in the clockwise direction, the reset spring squeezes the sliding block so that the sliding block is always in close contact with the corresponding guide surface. With the rotation of the guide surface, the sliding block moves outward along the guide surface under the squeezing of the corresponding reset spring, driving the connecting block and the limit block to move outward, so that the limit block extends out of the corresponding first arc-shaped limit hole and passes through the corresponding first locking hole and is inserted into the corresponding locking groove, so that the locking block locks the third connecting disk and the fourth connecting disk, and the knob is rotated clockwise to unlock the locking block from the third connecting disk and the fourth connecting disk. Similarly, when the third connecting disk rotates to the first position and the fourth connecting disk rotates to the fourth position; when the third connecting disk rotates to the third position and the fourth connecting disk rotates to the second position; when the third connecting disk rotates to the third position and the fourth connecting disk rotates to the fourth position, the third connecting disk and the fourth connecting disk can also be locked / unlocked according to the above operations.

[0014] Preferably, the guide surface includes a first guide surface, a second guide surface, a third guide surface, a fourth guide surface and a fifth guide surface which are arranged in sequence in a clockwise direction, the first guide surface is vertically arranged, the second guide surface is inclined outward in a clockwise direction, the third guide surface is vertically arranged, the fourth guide surface is inclined outward in a clockwise direction, and the fifth guide surface is vertically arranged.

[0015] When the knob is rotated, the friction force applied to the knob when the sliding block in the locking block contacts the vertically arranged first guide surface, third guide surface, and fifth guide surface is smaller than the friction force applied to the knob when the sliding block contacts the vertically arranged second guide surface and fourth guide surface, so that the user can easily identify the current angle position of the angle adjustment mechanism by the resistance when rotating the knob.

[0016] The utility model provides a clothes drying rack, comprising four U-shaped clothes drying racks and two of the above-mentioned angle adjustment mechanisms for the clothes drying racks, wherein two ends of the clothes drying rack located on the lower left side are respectively connected to the first connection plates of the two angle adjustment mechanisms, two ends of the clothes drying rack located on the lower right side are respectively connected to the second connection plates of the two angle adjustment mechanisms, two ends of the clothes drying rack located on the upper left side are respectively connected to the third connection plates of the two angle adjustment mechanisms, and two ends of the clothes drying rack located on the upper right side are respectively connected to the fourth connection plates of the two angle adjustment mechanisms.

[0017] Preferably, when the clothes drying rack on the upper left side rotates to a horizontal position, the third connecting disk in the angle adjustment mechanism rotates to the first position, and the locking block faces the corresponding first locking hole; when the clothes drying rack on the upper left side rotates upward to a set angle position, the third connecting disk in the angle adjustment mechanism rotates to the third position, and the locking block faces the corresponding second locking hole; when the clothes drying rack on the upper right side rotates to a horizontal position, the fourth connecting disk rotates to the second position, and the locking block faces the corresponding first locking portion; when the clothes drying rack on the upper right side rotates upward to an inclined position, the fourth connecting disk rotates to the fourth position, and the locking block faces the corresponding second locking portion.

[0018] Preferably, a heating module is provided in the clothes drying rack.

[0019] The beneficial effects of the utility model are: the limit module can limit the relative rotation angle of the first connecting plate and the second connecting plate, so that the two clothes drying racks located on the lower side can be locked after being unfolded; the arc-shaped guide strip can drive the locking block to extend / retract into the corresponding first arc-shaped limit hole, thereby completing the locking / unlocking of the third connecting plate and the fourth connecting plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a structural schematic diagram of the angle adjustment mechanism in the embodiment;

[0021] Figure 2 is a front view structural schematic diagram of the fourth connecting disk in the angle adjustment mechanism in the embodiment;

[0022] Figure 3 is a rear structural schematic diagram of the third connecting disk in the angle adjustment mechanism in the embodiment;

[0023] Figure 4is a rear structural schematic diagram of the second connecting disk in the angle adjustment mechanism in the embodiment;

[0024] Figure 5 is a schematic diagram of the rear view structure of the first connecting disk in the angle adjustment mechanism in the embodiment;

[0025] Figure 6 is a front view structural schematic diagram of the first connecting disk in the angle adjustment mechanism in the embodiment;

[0026] Figure 7 is a schematic structural diagram of a locking block and an arc-shaped guide strip in the angle adjustment mechanism in an embodiment;

[0027] Figure 8 2 is a schematic structural diagram of a clothes drying rack in an embodiment.

[0028] In the figure: 1. first connecting disk, 11. rotating shaft, 12. second arc-shaped limiting hole, 2. second connecting disk, 21. first arc-shaped limiting hole, 3. third connecting disk, 31. first locking hole, 32. second locking hole, 4. fourth connecting disk, 41. first locking part, 42. second locking part, 5. locking module, 51. locking block, 511. sliding block, 512. connecting block, 513. limiting block, 52. knob, 53. arc-shaped guide strip, 531. connecting strip, 532. guide surface, 54. first guide surface, 55. second guide surface, 56. third guide surface, 57. fourth guide surface, 58. fifth guide surface, 6. limiting module, 7. reset spring, 71. slide groove, 8. clothes drying rack, 81. clothes drying rod, 82. first connecting pipe, 83. second connecting pipe. DETAILED DESCRIPTION

[0029] The technical solution of the utility model is further specifically described below through embodiments and in conjunction with the accompanying drawings.

[0030] Embodiment: The angle adjustment mechanism for the clothes drying rack of this embodiment is as follows: Figures 1 to 7As shown, it includes a rotating shaft 11, a first connecting disk 1, a second connecting disk 2, a third connecting disk 3, a fourth connecting disk 4, a limiting module 6 and a locking module 5. The first connecting disk 1, the second connecting disk 2, the third connecting disk 3 and the fourth connecting disk 4 are arranged on the rotating shaft 11 from the inside to the outside and can rotate along the rotating shaft 11. The locking module 5 includes a driving device and two locking blocks 51 arranged around the rotating shaft 11. The locking block 51 is arranged on the first connecting disk 1. The limiting module 6 includes two first arc-shaped limiting holes 21 arranged along the circumference of the second connecting disk 2. The first arc-shaped limiting holes 21 correspond to the locking blocks 51 one by one. The locking blocks 51 can be in the corresponding first arc-shaped limiting holes. 21 moves inward, two first locking holes 31 are provided on the third connecting disk 3 along the circumferential direction, the first locking holes 31 correspond to and match the locking block 51 one by one, two locking protrusions are provided on the inner side of the fourth connecting disk 4 along the circumferential direction, the first locking portion 41 corresponds to and matches the locking block 51 one by one, the first locking portion 41 is a locking groove provided in the locking protrusion, two second locking holes 32 are also provided on the third connecting disk 3 along the circumferential direction, the second locking holes 32 correspond to and match the locking block 51 one by one, a plurality of second locking portions 42 are also provided on the inner side of the fourth connecting disk 4 along the circumferential direction, the second locking portions 42 correspond to and match the locking block 51 one by one, and the second locking portion 42 is a locking surface provided on one side of the locking protrusion.

[0031] The driving device includes a knob 52 and two arc-shaped guide strips 53. The knob 52 is arranged on the inner side of the first connecting disk 1. The knob 52 is coaxial with the rotating shaft 11 and is rotatably connected. The arc-shaped guide strips 53 correspond to the locking blocks 51 one by one. The arc-shaped guide strips 53 are arranged between the first connecting disk 1 and the second connecting disk 2. The two ends of the arc-shaped guide strips 53 are connected to the knob 52 through connecting strips 531. The first connecting disk 1 is provided with second arc-shaped limiting holes 12 at positions corresponding to the two ends of the arc-shaped guide strips 53. The connecting strips 531 pass through the corresponding second arc-shaped limiting holes 12. Hole 12, an elastic component is arranged between the locking block 51 and the first connecting plate 1, a guide surface 532 is arranged on the inner side of the arc-shaped guide strip 53, the guide surface 532 is inclined outward in the clockwise direction, the locking block 51 includes a limit block 513, a sliding block 511 and a connecting block 512, the sliding block 511 can slide along the corresponding guide surface 532, the connecting block 512 is fixedly connected to the outer side of the sliding block 511, the limit block 513 is fixedly connected to the outer side of the connecting block 512, and the limit block 513 can move along the corresponding first arc-shaped limit hole 21.

[0032] The elastic component includes a return spring 7 . A slide groove 71 is provided on the first connecting plate 1 at a position corresponding to the connecting block 512 . The connecting block 512 can slide in the slide groove 71 . The return spring 7 is arranged between the sliding block 511 and the inner wall of the slide groove 71 .

[0033] The guide surface 532 includes a first guide surface 54, a second guide surface 55, a third guide surface 56, a fourth guide surface 57 and a fifth guide surface 58 which are arranged in sequence in a clockwise direction. The first guide surface 54 is vertically arranged, the second guide surface 55 is inclined outward in the clockwise direction, the third guide surface 56 is vertically arranged, the fourth guide surface 57 is inclined outward in the clockwise direction, and the fifth guide surface 58 is vertically arranged.

[0034] A clothes drying rack according to this embodiment, such as Figure 8 As shown, it includes four U-shaped clothes drying racks 8 and the two above-mentioned angle adjustment mechanisms for clothes drying racks, the two ends of the clothes drying rack 8 located on the lower left side are respectively connected to the first connecting plates 1 of the two angle adjustment mechanisms, the two ends of the clothes drying rack 8 located on the lower right side are respectively connected to the second connecting plates 2 of the two angle adjustment mechanisms, the two ends of the clothes drying rack 8 located on the upper left side are respectively connected to the third connecting plates 3 of the two angle adjustment mechanisms, and the two ends of the clothes drying rack 8 located on the upper right side are respectively connected to the fourth connecting plates 4 of the two angle adjustment mechanisms, the clothes drying rack includes two first connecting pipes 82 symmetrically arranged front and back and a second connecting pipe 83 for connecting the ends of the two connecting pipes, a plurality of parallel clothes drying rods 81 are arranged between the two first connecting pipes 82, and a heating module is arranged in the clothes drying rack 8, the heating module includes a heating wire arranged in the clothes drying rod 81 and / or a heating wire arranged in the first connecting pipe 82.

[0035] When the clothes drying rack needs to be unfolded for use, first pull the clothes drying bracket on the lower left side to the left, so that the clothes drying bracket on the lower left side drives the corresponding first connecting plate to rotate around the corresponding second connecting plate to the maximum position, and the locking block moves from one end of the corresponding first arc-shaped limiting hole to the other end, and abuts against the end wall at the other end of the first arc-shaped limiting hole. At this time, the relative rotation angle of the first connecting plate and the second connecting plate is limited and cannot continue to rotate. The two clothes drying brackets on the lower side are unfolded and can support the clothes drying rack.

[0036] After the two clothes drying racks on the lower side are unfolded, the clothes drying rack on the upper left side is rotated to a horizontal position, and the clothes drying rack on the upper left side drives the third connecting disk in the corresponding angle adjustment mechanism to rotate to the first position, and the first locking hole is rotated to a position facing the corresponding locking block, and the knob is rotated counterclockwise to make the knob drive the arc guide strip to rotate counterclockwise to the fifth position with the rotating shaft as the center. Since the guide surface of the arc guide strip is inclined outward in a clockwise direction, the sliding block in the locking block moves outward along the guide surface, driving the connecting block and the limit block to move outward, so that the limit block extends out of the corresponding first arc limit hole, and the front end of the limit block is inserted into the first locking hole on the third connecting disk when it is in the first position, to lock the third connecting disk.

[0037] The clothes drying rack on the upper left side can also be rotated to a position tilted upward by 30 degrees as needed, so that the clothes drying rack on the upper left side drives the third connecting disk in the corresponding angle adjustment mechanism to rotate to the third position, and the second locking hole is rotated to a position directly opposite to the corresponding locking block. The knob is rotated counterclockwise so that the knob drives the arc-shaped guide bar to rotate counterclockwise to the fifth position with the rotating shaft as the center. The sliding block in the locking block moves outward along the guide surface, driving the connecting block and the limit block to move outward, so that the limit block extends out of the corresponding first arc-shaped limit hole, and the front end of the limit block is inserted into the first locking hole on the third connecting disk when it is in the first position, to lock the third connecting disk.

[0038] After the third connecting disk is locked, the clothes drying rack on the upper right side is rotated to a horizontal position, and the fourth connecting disk is rotated to the second position, so that the clothes drying rack on the upper right side drives the fourth connecting disk in the corresponding angle adjustment mechanism to rotate to the second position, and the locking groove in the fourth connecting disk is rotated to a position opposite to the corresponding locking block, and the knob is continued to be rotated counterclockwise so that the knob drives the arc-shaped guide strip to rotate counterclockwise to the sixth position with the rotating shaft as the center, so that the arc-shaped guide strip drives the corresponding locking block to continue to extend outward, and the limit block in the locking block extends into the corresponding locking groove, thereby locking the fourth connecting disk.

[0039] The clothes drying rack on the upper right side can also be rotated to a position tilted upward by 30 degrees as needed, so that the clothes drying rack on the upper right side drives the fourth connecting disk in the corresponding angle adjustment mechanism to rotate to the fourth position. The rotation of the fourth connecting disk drives the locking surface to rotate to a position facing the corresponding locking block. The knob is continued to be rotated counterclockwise so that the knob drives the arc-shaped guide strip to rotate counterclockwise to the sixth position with the rotating shaft as the center, so that the arc-shaped guide strip drives the corresponding locking block to continue to extend outward, so that the limit block in the locking block is against the corresponding locking surface, and the fourth connecting disk is locked.

[0040] When the unfolded clothes drying rack needs to be folded, the knob is rotated clockwise to make the locking block slide along the guide surface of the corresponding arc-shaped guide strip, so that the locking block is retracted into the corresponding first arc-shaped limit hole. At this time, the third connecting plate and the fourth connecting plate are unlocked, and the two clothes drying racks on the upper side can be rotated to the storage state, and then the two clothes drying racks on the lower side are rotated inward, so that the first connecting plate and the second connecting plate are rotated to the storage position.

[0041] When the knob is rotated, the reverse force applied to the knob when the sliding block in the locking block contacts the vertically arranged first, third and fifth guide surfaces is smaller than the reverse force applied to the knob when the sliding block contacts the vertically arranged second and fourth guide surfaces, so that the user can easily identify the current angle position of the angle adjustment mechanism by the resistance when rotating the knob.

Claims

1. An angle adjustment mechanism for a clothes drying rack, characterized in that: The invention comprises a rotating shaft (11), a first connecting disk (1), a second connecting disk (2), a third connecting disk (3), a fourth connecting disk (4), a limiting module (6) and a locking module (5); the first connecting disk (1), the second connecting disk (2), the third connecting disk (3) and the fourth connecting disk (4) are arranged on the rotating shaft (11) in sequence from the inside to the outside and can rotate along the rotating shaft (11); the limiting module (6) is used to limit the relative rotation angle between the first connecting disk (1) and the second connecting disk (2); and the locking module (5) is used to lock / unlock the third connecting disk (3) and the fourth connecting disk (4).

2. The angle adjustment mechanism for a clothes drying rack according to claim 1, characterized in that: The locking module (5) comprises a driving device and a plurality of locking blocks (51) arranged on a circle with the rotating shaft (11) as the center, the locking blocks (51) being arranged on the first connecting disk (1), the limiting module (6) comprising a plurality of first arc-shaped limiting holes (21) arranged along the circumference of the second connecting disk (2), the first arc-shaped limiting holes (21) corresponding to the locking blocks (51) one by one, the locking blocks (51) being movable in the corresponding first arc-shaped limiting holes (21), the driving device being used to drive the locking blocks (51) to extend out of / retract into the corresponding first arc-shaped limiting holes (21), the third connecting disk and the fourth connecting disk being locked when the locking blocks extend out of the corresponding first arc-shaped limiting holes, and the third connecting disk and the fourth connecting disk being unlocked when the locking blocks retract into the corresponding first arc-shaped limiting holes.

3. The angle adjustment mechanism for a clothes drying rack according to claim 2, characterized in that: The third connection disk (3) is provided with a plurality of first locking holes (31) along the circumferential direction, and the first locking holes (31) correspond to and match the locking blocks (51) one by one. The inner side of the fourth connection disk (4) is provided with a plurality of first locking portions (41) along the circumferential direction, and the first locking portions (41) correspond to and match the locking blocks (51) one by one. When the third connection disk is rotated to the first position, the locking blocks face the corresponding first locking holes, and when the fourth connection disk is rotated to the second position, the locking blocks face the corresponding first locking portions.

4. The angle adjustment mechanism for a clothes drying rack according to claim 2, characterized in that: The third connection disk (3) is also provided with a plurality of second locking holes (32) along the circumferential direction, and the second locking holes (32) correspond to and match the locking blocks (51) one by one. The inner side of the fourth connection disk (4) is also provided with a plurality of second locking portions (42) along the circumferential direction, and the second locking portions (42) correspond to and match the locking blocks (51) one by one. When the third connection disk is rotated to the third position, the locking blocks face the corresponding second locking holes, and when the fourth connection disk is rotated to the fourth position, the locking blocks face the corresponding second locking portions.

5. The angle adjustment mechanism for a clothes drying rack according to claim 2, 3 or 4, characterized in that: The driving device comprises a knob (52) and a plurality of arc-shaped guide strips (53); the knob (52) is arranged on the inner side of the first connecting disk (1); the knob (52) is coaxial with the rotating shaft (11) and is rotatably connected; the arc-shaped guide strips (53) correspond to the locking blocks (51) one by one; the arc-shaped guide strips (53) are arranged between the first connecting disk (1) and the second connecting disk (2); the two ends of the arc-shaped guide strips (53) are connected to the knob (52) via connecting strips (531); second arc-shaped limiting holes (12) are provided on the first connecting disk (1) at positions corresponding to the two ends of the arc-shaped guide strips (53); the connecting strips (531) pass through the corresponding second arc-shaped limiting holes (12); the locking blocks (51) correspond to the arc-shaped guide strips (53) at the ends of the arc-shaped guide strips (53); An elastic component is arranged between the first connection plates (1); a guide surface (532) is arranged on the inner side of the arc-shaped guide strip (53); the guide surface (532) is inclined outward in a clockwise direction; the locking block (51) comprises a limit block (513), a sliding block (511) and a connecting block (512); the sliding block (511) can slide along the corresponding guide surface (532); the connecting block (512) is fixedly connected to the outer side of the sliding block (511); the limit block (513) is fixedly connected to the outer side of the connecting block (512); the limit block (513) can move along the corresponding first arc-shaped limit hole (21); and the elastic component is used to make the sliding block (511) and the corresponding guide surface (532) close to each other.

6. The angle adjustment mechanism for a clothes drying rack according to claim 5, characterized in that: The elastic component comprises a return spring (7); the first connecting plate (1) is provided with a slide groove (71) at a position corresponding to the connecting block (512); the connecting block (512) can slide in the slide groove (71); and the return spring (7) is arranged between the sliding block (511) and the inner side wall of the slide groove (71).

7. The angle adjustment mechanism for a clothes drying rack according to claim 5, characterized in that: The guide surface (532) comprises a first guide surface (54), a second guide surface (55), a third guide surface (56), a fourth guide surface (57) and a fifth guide surface (58) which are arranged in sequence along a clockwise direction, wherein the first guide surface (54) is arranged vertically, the second guide surface (55) is inclined outwardly along a clockwise direction, the third guide surface (56) is arranged vertically, the fourth guide surface (57) is inclined outwardly along a clockwise direction, and the fifth guide surface (58) is arranged vertically.

8. A clothes drying rack, comprising four U-shaped clothes drying brackets (8) and two angle adjustment mechanisms for clothes drying racks as claimed in any one of claims 1 to 7, characterized in that: The two ends of the clothes drying rack (8) located on the lower left side are respectively connected to the first connection plates (1) of the two angle adjustment mechanisms, the two ends of the clothes drying rack (8) located on the lower right side are respectively connected to the second connection plates (2) of the two angle adjustment mechanisms, the two ends of the clothes drying rack (8) located on the upper left side are respectively connected to the third connection plates (3) of the two angle adjustment mechanisms, and the two ends of the clothes drying rack (8) located on the upper right side are respectively connected to the fourth connection plates (4) of the two angle adjustment mechanisms.

9. The clothes drying rack according to claim 8, characterized in that: When the clothes drying rack on the upper left side rotates to a horizontal position, the third connecting disk in the angle adjustment mechanism rotates to the first position, and the locking block faces the corresponding first locking hole; when the clothes drying rack on the upper left side rotates upward to a set angle position, the third connecting disk in the angle adjustment mechanism rotates to the third position, and the locking block faces the corresponding second locking hole; when the clothes drying rack on the upper right side rotates to a horizontal position, the fourth connecting disk rotates to the second position, and the locking block faces the corresponding first locking portion; when the clothes drying rack on the upper right side rotates upward to a set angle position, the fourth connecting disk rotates to the fourth position, and the locking block faces the corresponding second locking portion.

10. The clothes drying rack according to claim 8, characterized in that: A heating module is arranged in the clothes drying rack.

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