A movable base for a clothes drying rack

Abstract

This utility model discloses a movable base for a clothes drying rack, including a support base connected to the bottom of the clothes drying rack. The support base comprises a ball bearing sleeve and a ball bearing mounting base. A ball bearing sleeve is inserted into one end of the ball bearing mounting base. A large ball bearing groove is formed on the surface of the ball bearing mounting base, and a large ball bearing is disposed within the large ball bearing groove. A ball bearing outlet is formed on the top surface of the ball bearing sleeve, and a portion of the large ball bearing protrudes through the ball bearing outlet. This utility model solves the problem of high cost associated with existing clothes drying racks that rely on casters for movement. By placing a large ball bearing inside the ball bearing mounting base and allowing a portion of the large ball bearing to protrude from the ball bearing sleeve, the rolling motion of the large ball bearing supports the clothes drying rack, enabling it to move. This structure is simple and has low production costs.

Description

Technical Field

[0001] This utility model relates to the field of clothes drying rack technology, specifically a movable base for a clothes drying rack. Background Technology

[0002] Existing folding clothes racks are either mobile or fixed. Fixed clothes racks are generally supported by multiple rods or two X-shaped bases to make them stand stably. However, this makes them labor-intensive and inconvenient to use when storing and moving them. Mobile clothes racks are generally moved easily by installing casters at the bottom. However, casters are expensive and increase the production cost of the clothes rack. Therefore, this clothes rack was designed with a movable base, which allows the clothes rack to switch between fixed and mobile states by adjusting different usage modes. Utility Model Content

[0003] The purpose of this utility model is to provide a movable base for a clothes drying rack. By placing large balls in the ball bearing mounting seat and exposing part of the large balls from the ball bearing sleeve, the clothes drying rack can be moved by the rolling of the large balls. This structure is simple and has low production cost.

[0004] This utility model provides the following technical solution: a movable base for a clothes drying rack, including a support base connected to the bottom of the clothes drying rack. The support base includes a ball bearing sleeve and a ball bearing mounting base. A ball bearing sleeve is inserted into one end of the ball bearing mounting base. A large ball bearing groove is formed on the surface of the ball bearing mounting base. A large ball bearing is disposed in the large ball bearing groove. A ball bearing outlet is formed on the top surface of the ball bearing sleeve. A portion of the large ball bearing is exposed through the ball bearing outlet.

[0005] Furthermore, the inner surface of the large ball bearing groove is provided with centrally symmetrically distributed small ball bearing grooves. Small balls are arranged in the small ball bearing grooves. The small balls are tangent to the large balls. By utilizing the contact between the small balls and the large balls, the contact area is reduced, changing from surface contact to point contact. This allows the large balls to roll even under pressure, making the support seat move more smoothly and less prone to jamming.

[0006] Furthermore, the outer surface of the ball sleeve is formed with threads, and a lifting cover is threadedly connected to the outer surface of the ball sleeve. When the bottom surface of the lifting cover is lower than the large ball, the lifting cover supports the clothes rack. When the bottom surface of the lifting cover is higher than the large ball, the large ball supports the clothes rack. By adjusting the height of the lifting cover, the lifting cover or the support base can be selected to support the clothes rack, thereby further fixing or moving the clothes rack.

[0007] Furthermore, the lifting cover includes a threaded sleeve and an outer cover. The inner wall of the threaded sleeve is formed with a threaded groove, and the outer cover is formed at the upper end of the threaded sleeve. The outer cover is conical in shape, and the lifting cover improves the stability of the clothes rack support.

[0008] Furthermore, reinforcing ribs are formed between the outer cover and the screw sleeve, which enhances the strength between the outer cover and the screw sleeve, thereby further enhancing the load-bearing capacity and rigidity of the lifting cover.

[0009] Furthermore, the ball bearing sleeve and the ball bearing mounting base are provided with pin holes on their surfaces. The outer side of the support base is rotatably connected to the base via the pin. When the base supports the clothes rack, the clothes rack cannot move. When the support base supports the clothes rack, the clothes rack can move. By swinging between the base and the support base, the angle between the base and the support base can be adjusted, and the base or support base can be used to support the clothes rack, thus meeting the needs of fixing or moving the clothes rack.

[0010] Furthermore, a guide groove is provided on the bottom inner wall of the base, and the large ball swings along the guide groove. The guide groove guides the swing of the support seat, so that the support seat can only swing to one side.

[0011] Furthermore, the base includes a base and a clamping plate. The clamping plate is formed on the upper surface of the base and also has a pin hole. The support seat is located inside the clamping plate. The clamping plate limits the two sides of the support seat, so that the support seat can only swing within the clamping plate.

[0012] Compared with the prior art, the beneficial effects achieved by this utility model are:

[0013] (1) By placing large balls in the ball bearing mounting seat and exposing a portion of the large balls from the ball bearing sleeve, the clothes rack can be moved by using the rolling of the large balls to support it. This structure is simple and has low production cost.

[0014] (2) Thread the lifting cover onto the ball sleeve. By raising and lowering the lifting cover, the bottom of the lifting cover is lower than the bottom of the large ball. The lifting cover supports the clothes rack and ensures the stability of the clothes rack.

[0015] (3) A base is rotatably connected to the support seat via a pin. The swing of the base allows the base or support seat to support the clothes rack. When the base supports the clothes rack, the clothes rack is fixed. When the support seat supports the clothes rack, the clothes rack is movable. Attached Figure Description

[0016] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0017] Figure 1 This is a perspective view of the support base of this utility model;

[0018] Figure 2 This is an exploded view of the support base of this utility model;

[0019] Figure 3 This is a cross-sectional view of the ball sleeve of this utility model;

[0020] Figure 4 This is a cross-sectional view of the ball bearing mounting base of this utility model;

[0021] Figure 5 This is a structural diagram of Embodiment 1 of this utility model;

[0022] Figure 6 This is a structural diagram of the lifting cover of this utility model;

[0023] Figure 7 This is a perspective view of a second embodiment of the support base of this utility model;

[0024] Figure 8 This is an exploded view of the support base of this utility model;

[0025] Figure 9 This is a schematic diagram of the connection structure between the support base and the base of this utility model;

[0026] Figure 10 This is a perspective view of the base of this utility model;

[0027] In the diagram: 1. Ball sleeve; 12. Ball outlet; 13. Step; 14. Thread; 2. Ball mounting seat; 21. Large ball groove; 22. Small ball groove; 3. Large ball; 4. Small ball; 5. Lifting cover; 51. Screw sleeve; 52. Outer cover; 53. Reinforcing rib; 6. Base; 61. Base plate; 62. Clamping plate; 63. Guide groove; 64. Pin hole. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Please see Figure 7 and 8This utility model provides a technical solution: a movable base for a clothes drying rack, including a support base connected to the bottom of the clothes drying rack. The support base includes a ball bearing sleeve 1 and a ball bearing mounting seat 2. The ball bearing sleeve 1 is inserted into one end of the ball bearing mounting seat 2. A large ball bearing groove 21 is formed on the surface of the ball bearing mounting seat 2. The large ball bearing groove 21 is semi-circular. A large ball bearing 3 is arranged in the large ball bearing groove 21. The large ball bearing 3 is restricted within the large ball bearing groove 21 by the ball bearing mounting seat 2. A ball bearing outlet 12 is formed on the top surface of the ball bearing sleeve 1. A part of the large ball bearing 3 is exposed through the ball bearing outlet 12. When the clothes drying rack is supported by the support base, the rolling of the large ball bearing 3 can move the support base and further move the position of the clothes drying rack. At the same time, the support base has a simple structure and low production cost.

[0030] In one embodiment, when there are many clothes drying on the clothes rack and they are heavy, the pressure between the large ball bearing 3 and the large ball bearing groove 21 will increase, further increasing the friction between the large ball bearing 3 and the large ball bearing groove 21, making it difficult for the large ball bearing 3 to rotate and causing jamming. Therefore, in this embodiment, small ball bearing grooves 22 are centrally symmetrically distributed on the inner surface of the large ball bearing groove 21. Small ball bearings 4 are arranged in the small ball bearing grooves 22. The small ball bearings 4 are tangent to the large ball bearing 3. By utilizing the contact between the small ball bearings 4 and the large ball bearing 3, the surface contact is changed to point contact, reducing the contact area between the large ball bearing groove 21 and the large ball bearing 3, further reducing the friction, and making the rolling of the large ball bearing 3 smoother.

[0031] like Figures 1 to 5 As shown, in one embodiment, the outer surface of the ball sleeve 1 is formed with a thread 14, and the outer surface of the ball sleeve 1 is connected to a lifting cover 5 through the thread 14. By rotating the lifting cover 5, the height of the lifting cover 5 can be adjusted. When the bottom surface of the lifting cover 5 is lower than the large ball 3, the lifting cover 5 supports the clothes rack, and the clothes rack cannot be moved. When the bottom surface of the lifting cover 5 is higher than the large ball 3, the large ball 3 supports the clothes rack, and the rolling of the large ball 3 can drive the clothes rack to move.

[0032] like Figure 6 As shown, the lifting cover 5 includes a screw sleeve 51 and an outer cover 52. The inner wall of the screw sleeve 51 is formed with a threaded groove. The outer cover 52 is formed on the upper end of the screw sleeve 51. The outer cover 52 is conical. The conical shape of the outer cover 52 increases the contact area between the outer cover 52 and the ground, further enhancing the stability of the clothes rack.

[0033] A reinforcing rib 53 is formed between the outer cover 52 and the screw sleeve 51. The reinforcing rib 53 enhances the rigidity of the lifting cover 5 and prevents the lifting cover 5 from deforming or being damaged under pressure.

[0034] like Figure 9As shown, in one embodiment, a pin hole 64 is provided on the surface of the ball sleeve 1 and the ball mounting seat 2. The outer side of the support seat is rotatably connected to the base 6 through the pin. By rotating the base 6, the angle between the base 6 and the support seat can be adjusted. When the base 6 supports the clothes rack, the support seat and the base 6 are vertically distributed and the clothes rack cannot move. When the support seat supports the clothes rack, the support seat and the base 6 are tilted and the base 6 is in a suspended state. The clothes rack is moved by the rolling of the large ball 3.

[0035] like Figure 9 and 10 As shown, a guide groove 63 is provided on the inner wall of the bottom of the base 6. One end of the guide groove 63 is rounded and formed in the center of the base 6. The guide groove 63 is formed from the edge of the base 6 to the center. The large ball 3 swings along the guide groove 63, so that the support can only rotate to one side, further adjusting the angle between the base 6 and the support.

[0036] like Figure 10 As shown, the base 6 includes a base 61 and a clamping plate 62. The clamping plate 62 is formed on the upper surface of the base 61. A pin hole 64 is also provided on the clamping plate 62. The support seat is located inside the clamping plate 62. The clamping plate 62 limits the two sides of the support seat. The pin makes the support seat swing between the clamping plates 62.

[0037] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A movable base for a clothes drying rack, comprising a support base connected to the bottom of the clothes drying rack, characterized in that: The support base includes a ball sleeve and a ball mounting base. A ball sleeve is inserted into one end of the ball mounting base. A large ball groove is formed on the surface of the ball mounting base, and a large ball is disposed in the large ball groove. A ball outlet is formed on the top surface of the ball sleeve, and a portion of the large ball is exposed through the ball outlet.

2. The movable base of a clothes drying rack according to claim 1, characterized in that: The inner surface of the large ball bearing groove is provided with small ball bearing grooves that are symmetrically distributed in a central direction. Small balls are provided in the small ball bearing grooves and are tangent to the large ball bearing.

3. The movable base of a clothes drying rack according to claim 2, characterized in that: The outer surface of the ball sleeve is formed with threads, and a lifting cover is threadedly connected to the outer surface of the ball sleeve. When the bottom surface of the lifting cover is lower than the large ball, the lifting cover supports the clothes rack. When the bottom surface of the lifting cover is higher than the large ball, the large ball supports the clothes rack.

4. The movable base of a clothes drying rack according to claim 3, characterized in that: The lifting cover includes a screw sleeve and an outer cover. The inner wall of the screw sleeve is formed with a threaded groove, and the outer cover is formed at the upper end of the screw sleeve. The outer cover is conical in shape.

5. The movable base of a clothes drying rack according to claim 4, characterized in that: A reinforcing rib is formed between the outer cover and the threaded sleeve.

6. The movable base of a clothes drying rack according to claim 2, characterized in that: The ball bearing sleeve and the ball bearing mounting base are provided with pin holes. The outer side of the support base is rotatably connected to the base through the pin. When the base supports the clothes rack, the clothes rack cannot move. When the support base supports the clothes rack, the clothes rack can move.

7. The movable base of a clothes drying rack according to claim 6, characterized in that: A guide groove is provided on the bottom inner wall of the base, and the large ball swings along the guide groove.

8. The movable base of a clothes drying rack according to claim 6, characterized in that: The base includes a base and a clamping plate. The clamping plate is formed on the upper surface of the base and a pin hole is also provided on the clamping plate. The support seat is located inside the clamping plate.

Images