Mobile support

Abstract

The utility model provides a kind of mobile support, belong to the technical field of daily necessities.The mobile support includes bracket body, mobile wheel frame and six casters, mobile wheel frame includes first supporting leg, second supporting leg, third supporting leg, fourth supporting leg, first connecting piece, second connecting piece, first limit pin and second limit pin, fifth caster is set in the first corner end of bracket body by first wheel axle, sixth caster is set in the second corner end of bracket body by second wheel axle;Mobile wheel frame is also connected to bracket body by first limit pin, second limit pin, so that when mobile wheel frame is in the first kind of attitude, first caster, second caster, fifth caster, sixth caster are contacted with ground and move;When mobile wheel frame is in the second kind of attitude, first caster, second caster, third caster, fourth caster are contacted with ground and move.The mobile support is used in the two attitudes of moving and pulling, there is no interference between components, and the structure is small and convenient to use.

Description

Technical Field

[0001] This utility model relates to the field of daily necessities technology, and in particular to a mobile stand. Background Technology

[0002] In the prior art, there is a type of mobile support where the connection between the caster and the support is relatively fixed. In practical use, it is difficult to switch between moving and pulling positions. If this type of mobile support is to be used in both moving and pulling positions, it will result in a complex structure and a significant increase in cost. Utility Model Content

[0003] In view of this, the present invention provides a mobile support with a mobile wheel frame that can switch between a moving posture and a pulling posture. Furthermore, when used in both moving (storing) and pulling postures, there is no interference between the components. Moreover, the structure is compact and easy to use, making it more suitable for practical use.

[0004] To achieve the above objectives, the technical solution of the mobile support provided by this utility model is as follows: The movable support provided by this utility model includes a bracket body (1), a movable wheel frame, a fifth caster (12), and a sixth caster (13). The movable wheel frame includes a first leg (2), a second leg (3), a third leg (8), a fourth leg (9), a first connector (4), a second connector (5), a first caster (6), a second caster (7), a third caster (10), a fourth caster (11), a first limiting pin (37), and a second limiting pin (40). The fifth caster (12) is mounted on the first corner end of the bracket body (1) via the first axle, and the sixth caster (13) is mounted on the second corner end of the bracket body (1) via the second axle. The first leg (2) and the second leg (3) are fixedly connected together by the second connector (5), the third leg (8) and the fourth leg (9) are fixedly connected together by the first connector (4), the first leg (2) and the fourth leg (9) are fixedly connected together by the first limiting pin (37), the second leg (3) and the fourth leg (9) are fixedly connected together by the second limiting pin (40), the first caster (6) is located at the first free end of the second leg (3), the second caster (7) is located at the first free end of the first leg (2), the fourth caster (11) is located at the first free end of the fourth leg (9), and the third caster (10) is located at the first free end of the third leg (8). The movable wheel frame is also connected to the bracket body (1) via a first limiting pin (37) and a second limiting pin (40), so that when the movable wheel frame is in the first posture, the first caster (6), the second caster (7), the fifth caster (12), and the sixth caster (13) are in contact with the ground and move; when the movable wheel frame is in the second posture, the third caster (10), the fourth caster (11), the fifth caster (12), and the sixth caster (13) are in contact with the ground and move.

[0005] The mobile support provided by this utility model can also be further implemented using the following technical measures.

[0006] Preferably, the bottom of the bracket body (1) is provided with a first limiting groove and a second limiting groove. The first limiting groove corresponds to the third leg (8), so that the third leg (8) can be accommodated in the first limiting groove; The second limiting groove corresponds to the fourth leg (9), so that the fourth leg (9) can be accommodated in the second limiting groove.

[0007] Preferably, the bottom of the bracket body (1) is provided with a seventh receiving groove (22) and an eighth receiving groove (23). The seventh receiving groove (22) corresponds to the third caster (10), so that the third caster (10) can be received in the seventh receiving groove (22); The eighth receiving groove (23) corresponds to the fourth caster (11), so that the fourth caster (11) can be received in the eighth receiving groove (23).

[0008] Preferably, the bottom of the bracket body (1) is provided with a third limiting groove. The third limiting groove corresponds to the first connector (4), so that the first connector (4) can be accommodated in the third limiting groove.

[0009] Preferably, the bottom of the bracket body (1) is provided with a fifth receiving groove (20) and a sixth receiving groove (21). The fifth caster (12) is housed in the fifth receiving groove (20), and the sixth caster (13) is housed in the sixth receiving groove (21).

[0010] Preferably, the movable support also includes a first set of reinforcing ribs (30) and a second set of reinforcing ribs (32). The bracket body (1) is provided with a first wheel axle hole (29) at the position corresponding to the first wheel axle, and the first set of reinforcing ribs (30) is fixedly disposed between the outer wall of the first wheel axle hole (29) and the bottom of the bracket body (1); The bracket body (1) is provided with a second wheel axle hole (31) at the position corresponding to the second wheel axle, and the second set of reinforcing ribs (32) are fixedly disposed between the outer wall of the second wheel axle hole (31) and the bottom of the bracket body (1).

[0011] Preferably, the movable support also includes a first reversing wheel (16), a second reversing wheel (18), a third reversing wheel (33), and a fourth reversing wheel (34). The first reversing wheel (16) is located at the second free end of the third support leg (8), the fourth reversing wheel (34) is located at the second free end of the second support leg (3), the second reversing wheel (18) is located at the second free end of the fourth support leg (9), and the third reversing wheel (33) is located at the second free end of the first support leg (2). The bottom of the bracket body (1) is provided with a first receiving groove (14) and a second receiving groove (15). The first receiving groove (14) corresponds to the first reversing wheel (16) and the fourth reversing wheel (34), so that when the moving wheel frame switches between the first posture and the second posture, the first reversing wheel (16) and the fourth reversing wheel (34) can move within the first receiving groove (14); The two receiving slots (15) correspond to the second reversing wheel (18) in the first posture and correspond to the third reversing wheel (33) in the second posture, so that when the moving wheel frame switches between the first posture and the second posture, the second reversing wheel (18) and the third reversing wheel (33) can move in the second receiving slot (15).

[0012] As a preferred option A third receiving groove (17) is provided at the top corner of the first receiving groove (14). The shape of the third receiving groove (17) is adapted to the shape of the first reversing wheel (16), so that when the moving wheel frame is in the second posture, the first reversing wheel (16) is housed in the third receiving groove (17). A fourth receiving groove (19) is provided at the top corner of the second receiving groove (15). The shape of the fourth receiving groove (19) is adapted to the shape of the second reversing wheel (18), so that when the moving wheel frame is in the second posture, the second reversing wheel (18) is housed in the fourth receiving groove (19).

[0013] Preferably, the movable support further includes a handle (24), a first limiting member (25), a second limiting member (26), a third limiting member (27), and a fourth limiting member (28). The first limiting member (25) and the third limiting member (27) are respectively fixedly connected to the two free ends of the handle (24). The third limiting member (27) is fixedly connected to the outside of the first limiting member (25) and forms a first connecting end; the fourth limiting member (28) is fixedly connected to the outside of the third limiting member (27) and forms a second connecting end. The handle (24) is connected to the first leg (2) via the first connecting end, and the handle (24) is connected to the second leg (3) via the second connecting end.

[0014] Preferably, the surface of the bracket body (1) has an intermittent concave-convex shape.

[0015] As a preferred option The first leg (2) is provided with a first elongated hole (35), and the fourth leg (9) is provided with a second elongated hole (36). The positions of the first elongated hole (35) and the second elongated hole (36) are corresponding, and the first limiting pin (37) passes through the first elongated hole (35) and the second elongated hole (36) at the same time. The second leg (3) is provided with a fourth elongated hole (39), and the third leg (8) is provided with a third elongated hole (38). The positions of the fourth elongated hole (39) and the third elongated hole (38) are corresponding, and the second limiting pin (40) passes through both the fourth elongated hole (39) and the third elongated hole (38).

[0016] When the mobile support provided in this embodiment of the utility model is in use, when the mobile wheel frame is in the first posture, the first caster 6, the second caster 7, the fifth caster 12, and the sixth caster 13 are in contact with the ground and move, which is in a moving (storage) state and can save space; when the mobile wheel frame is in the second posture (pulling state), the first caster 6, the second caster 7, the third caster 10, the fourth caster 11, the fifth caster 12, and the sixth caster 13 are in contact with the ground and move, which is in a pulling state. At this time, the third caster 10 and the fourth caster 11 are in contact with the ground and move, which is equivalent to the first leg 2 and the second leg 3 being raised. The user can move the mobile support provided in this embodiment of the utility model by pulling the second connecting piece 5, which makes the movement more convenient. Attached Figure Description

[0017] Various other advantages and benefits will become apparent to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of the invention. Furthermore, the same reference numerals denote the same parts throughout the drawings. In the drawings: Appendix Figure 1 A three-dimensional structural diagram of the movable support provided in Embodiment 1 of this utility model in a first typical direction; Appendix Figure 2 A three-dimensional structural diagram of the movable support provided in Embodiment 1 of this utility model in a second typical direction; Appendix Figure 3 A three-dimensional structural diagram of the movable support provided in Embodiment 1 of this utility model in the third typical direction; Appendix Figure 4 A three-dimensional structural diagram of the movable support provided in Embodiment 2 of this utility model in a typical direction; Appendix Figure 5 A three-dimensional structural diagram of the handle used in the mobile support provided in Embodiment 2 of this utility model in a typical direction; Appendix Figure 6 A three-dimensional structural diagram of the bracket used in the mobile support provided in Embodiment 1 and Embodiment 2 of this utility model in a first typical direction; Appendix Figure 7 This is a three-dimensional structural diagram of the bracket used in the movable support provided in Embodiment 1 and Embodiment 2 of this utility model in a second typical direction; Appendix Figure 8 A three-dimensional structural diagram of the movable wheel frame used in the movable support provided in Embodiment 1 of this utility model in a typical direction; Explanation of reference numerals in the attached figures: 1-Bracket body; 2-First leg; 3-Second leg; 4-First connector; 5-Second connector; 6-First caster; 7-Second caster; 8-Third leg; 9-Fourth leg; 10-Third caster; 11-Fourth caster; 12-Fifth caster; 13-Sixth caster; 14-First receiving slot; 15-Second receiving slot; 16-First reversing wheel; 17-Third receiving slot; 18-Second reversing wheel; 19-Fourth receiving slot; 20-Fifth receiving slot; 21-Sixth receiving slot. 22-Seventh receiving groove, 23-Eighth receiving groove, 24-Handle, 25-First limiting member, 26-Second limiting member, 27-Third limiting member, 28-Fourth limiting member, 29-First wheel shaft hole, 30-First set of reinforcing ribs, 31-Second wheel shaft hole, 32-Second set of reinforcing ribs, 33-Third reversing wheel, 34-Fourth reversing wheel, 35-First oblong hole, 36-Second oblong hole, 37-First limiting pin, 38-Third oblong hole, 39-Fourth oblong hole, 40-Second limiting pin. Detailed Implementation

[0018] In view of this, the present invention provides a mobile support with a mobile wheel frame that can switch between a moving posture and a pulling posture. Furthermore, when used in both moving (storing) and pulling postures, there is no interference between the components. Moreover, the structure is compact and easy to use, making it more suitable for practical use.

[0019] To further illustrate the technical means and effects adopted by this utility model to achieve its intended purpose, the following, in conjunction with the accompanying drawings and preferred embodiments, details the specific implementation, structure, features, and effects of a mobile support according to this utility model. In the following description, different "embodiments" or "embodiments" do not necessarily refer to the same embodiment. Furthermore, specific features, structures, or characteristics in one or more embodiments can be combined in any suitable form.

[0020] In this article, the term "and / or" is merely a description of the relationship between related objects, indicating that there can be three relationships, such as A and / or B. Specifically, it can mean that A and B can be included at the same time, A can exist alone, or B can exist alone, and any of the above three situations can be met.

[0021] Example 1 See appendix Figure 1 - Appendix Figure 8The movable support provided in Embodiment 1 of this utility model includes a bracket body 1, a movable wheel frame, a fifth caster 12, and a sixth caster 13. The movable wheel frame includes a first support leg 2, a second support leg 3, a third support leg 8, a fourth support leg 9, a first connecting member 4, a second connecting member 5, a first caster 6, a second caster 7, a third caster 10, a fourth caster 11, a first limiting pin 37, and a second limiting pin 40. The fifth caster 12 is mounted on the first corner end of the bracket body 1 via a first axle, and the sixth caster 13 is mounted on the second corner end of the bracket body 1 via a second axle. The first leg 2 and the second leg 3 are fixedly connected together by the second connecting piece 5. The third leg 8 and the fourth leg 9 are fixedly connected together by the first connecting piece 4. The first leg 2 and the fourth leg 9 are fixedly connected together by the first limiting pin 37. The second leg 3 and the fourth leg 9 are fixedly connected together by the second limiting pin 40. The first caster 6 is located at the first free end of the second leg 3. The second caster 7 is located at the first free end of the first leg 2. The fourth caster 11 is located at the first free end of the fourth leg 9. The third caster 10 is located at the first free end of the third leg 8. The movable wheel frame is also connected to the bracket body 1 by the first limiting pin 37 and the second limiting pin 40, so that when the movable wheel frame is in the first posture, the first caster 6, the second caster 7, the fifth caster 12, and the sixth caster 13 are in contact with the ground and move; when the movable wheel frame is in the second posture, the third caster 10, the fourth caster 11, the fifth caster 12, and the sixth caster 13 are in contact with the ground and move.

[0022] When the movable support provided in Embodiment 1 of this utility model is in use, when the movable wheel frame is in the first posture, the first caster 6, the second caster 7, the fifth caster 12, and the sixth caster 13 are in contact with the ground and move, which is in a moving (storage) state and can save space; when the movable wheel frame is in the second posture, the first caster 6, the second caster 7, the third caster 10, the fourth caster 11, the fifth caster 12, and the sixth caster 13 are in contact with the ground and move, which is in a pulling state. At this time, the movement of the third caster 10 and the fourth caster 11 in contact with the ground is equivalent to the first leg 2 and the second leg 3 being raised. The user can move the movable support provided in this embodiment of the utility model by pulling the second connecting piece 5, which makes the movement more convenient.

[0023] The bracket body 1 has a first limiting groove and a second limiting groove at its bottom. The first limiting groove corresponds to the third leg 8, allowing the third leg 8 to be accommodated within it. The second limiting groove corresponds to the fourth leg 9, allowing the fourth leg 9 to be accommodated within it. In this configuration, the third leg 8 and the fourth leg 9 can be hidden in the stowed state, resulting in a smaller stowed volume for the mobile bracket provided in this embodiment.

[0024] The bracket body 1 has a seventh receiving groove 22 and an eighth receiving groove 23 at its bottom. The seventh receiving groove 22 corresponds to the third caster 10, allowing the third caster 10 to be accommodated within it. The eighth receiving groove 23 corresponds to the fourth caster 11, allowing the fourth caster 11 to be accommodated within it. In this configuration, the third caster 10 and the fourth caster 11 can be concealed and stored, resulting in a smaller storage volume for the mobile bracket provided in this embodiment.

[0025] The bracket body 1 has a third limiting groove at its bottom. This third limiting groove corresponds to the first connecting member 4, allowing the first connecting member 4 to be accommodated within it. In this configuration, the first connecting member 4 can be concealed during storage, resulting in a smaller storage volume for the mobile bracket provided in this embodiment.

[0026] The bracket body 1 has a fifth receiving groove 20 and a sixth receiving groove 21 at its bottom. The fifth caster 12 is received in the fifth receiving groove 20, and the sixth caster 13 is received in the sixth receiving groove 21. In this configuration, the fifth caster 12 is hidden in the fifth receiving groove 20, and the sixth caster 13 is received in the sixth receiving groove 21, making the overall size of the movable bracket provided in this embodiment of the invention more compact.

[0027] The movable bracket provided in Embodiment 1 of this utility model further includes a first set of reinforcing ribs 30 and a second set of reinforcing ribs 32. A first wheel axle hole 29 is provided at a position corresponding to the first wheel axle on the bracket body 1, and the first set of reinforcing ribs 30 is fixedly disposed between the outer wall of the first wheel axle hole 29 and the bottom of the bracket body 1. A second wheel axle hole 31 is provided at a position corresponding to the second wheel axle on the bracket body 1, and the second set of reinforcing ribs 32 is fixedly disposed between the outer wall of the second wheel axle hole 31 and the bottom of the bracket body 1. In this configuration, the connection strength and stability between the first caster 12, the sixth caster 13, and the bracket body 1 can be strengthened, thereby improving the service life of the movable bracket provided in this embodiment of the utility model.

[0028] The movable support provided in Embodiment 1 of this utility model further includes a first reversing wheel 16, a second reversing wheel 18, a third reversing wheel 33, and a fourth reversing wheel 34. The first reversing wheel 16 is disposed at the second free end of the third support leg 8, the fourth reversing wheel 34 is disposed at the second free end of the second support leg 3, the second reversing wheel 18 is disposed at the second free end of the fourth support leg 19, and the third reversing wheel 33 is disposed at the second free end of the first support leg 2. The bottom of the bracket body 1 is provided with a first receiving groove 14 and a second receiving groove 15. The first receiving groove 14 corresponds to the first reversing wheel 16 and the fourth reversing wheel 34, so that when the movable wheel frame switches between the first posture and the second posture, the first reversing wheel 16 and the fourth reversing wheel 34 can move within the first receiving groove 14. The two receiving slots 15 correspond to the second reversing wheel 18 and the third reversing wheel 33, allowing the second reversing wheel 18 and the third reversing wheel 33 to move within the second receiving slots 15 when the movable wheel frame switches between the first and second postures. In this configuration, it is advantageous for the movable wheel frame provided in this embodiment to switch between the first and second postures. Furthermore, by utilizing the first reversing wheel 16, the second reversing wheel 18, the third reversing wheel 33, and the fourth reversing wheel 34 during the switching process, friction is significantly reduced, thereby improving the convenience of switching the movable support provided in this embodiment between the two postures.

[0029] The first receiving groove 14 has a third receiving groove 17 at its apex, the shape of which is adapted to the shape of the first reversing wheel 16, so that when the moving wheel frame is in the second posture, the first reversing wheel 16 is housed in the third receiving groove 17. The second receiving groove 15 has a fourth receiving groove 19 at its apex, the shape of which is adapted to the shape of the second reversing wheel 18, so that when the moving wheel frame is in the second posture, the second reversing wheel 18 is housed in the fourth receiving groove 19. In this configuration, when the moving wheel frame is in the second posture, the first reversing wheel 16 and the second reversing wheel 18 are precisely housed, reducing the pulling stability of the moving bracket provided in this embodiment when it is in a pulling state.

[0030] The surface of the bracket body 1 has an alternating concave-convex shape. In this case, the shape transition between the concave and convex intervals can enhance the strength of the bracket body 1 used in the movable bracket provided in this embodiment of the present invention.

[0031] The first leg 2 has a first elongated hole 35, and the fourth leg 9 has a second elongated hole 36. The positions of the first elongated hole 35 and the second elongated hole 36 are corresponding, and the first limiting pin 37 passes through both the first elongated hole 35 and the second elongated hole 36. The second leg 3 has a fourth elongated hole 39, and the third leg 8 has a third elongated hole 38. The positions of the fourth elongated hole 39 and the third elongated hole 38 are corresponding, and the second limiting pin 40 passes through both the fourth elongated hole 39 and the third elongated hole 38. In this embodiment, the diameters of the semicircular portions of the first elongated hole 35 and the second elongated hole 36 are equal to the diameter of the first limiting pin 37; the diameters of the semicircular portions of the fourth elongated hole 39 and the third elongated hole 38 are also equal. In this case, the elongated portions of the first elongated hole 35 and the second elongated hole 36 can be used to adjust the relative positions of the first elongated hole 35, the second elongated hole 36, and the first limiting pin 37; the elongated portions of the fourth elongated hole 39 and the third elongated hole 38 can be used to adjust the relative positions of the fourth elongated hole 39, the third elongated hole 38, and the second limiting pin 40. Therefore, the first leg 2, the fourth leg 9, and the first limiting pin 37 of the movable bracket provided in this embodiment of the present invention have stronger adaptability to each other, and the second leg 3 and the third leg 8 have stronger adaptability to each other, so that the movable bracket provided in this embodiment of the present invention is more stable when it is in the moving (storage) state and in the second posture (pulling state).

[0032] Example 2 The movable support provided in Embodiment 2 of this utility model differs from the movable support provided in Embodiment 1 in that it further includes a handle 24, a first limiting member 25, a second limiting member 26, a third limiting member 27, and a fourth limiting member 28. The first limiting member 25 and the third limiting member 27 are respectively fixedly connected to the two free ends of the handle 24. The third limiting member 26 is fixedly connected to the outside of the first limiting member 25 and forms a first connecting end, while the fourth limiting member 28 is fixedly connected to the outside of the third limiting member 27 and forms a second connecting end. The handle 24 is connected to the first leg 2 via the first connecting end, and to the second leg 3 via the second connecting end. In this configuration, the handle 24 can be stably connected to the first leg 2 and the second leg 3, making the movable support provided in this embodiment more convenient to use when pulled. In this embodiment, the handle 24 has a streamlined shape design, which not only increases the ease of use of the mobile bracket provided in Embodiment 2 of this utility model, but also significantly improves the aesthetics of the mobile bracket provided in Embodiment 2 of this utility model. Furthermore, it is adaptable to users of different heights, making it more widely applicable.

[0033] Although preferred embodiments of the present invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the present invention.

[0034] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A mobile support frame, characterized in that, It includes the bracket body (1), the movable wheel frame, the fifth caster (12) and the sixth caster (13). The movable wheel frame includes a first leg (2), a second leg (3), a third leg (8), a fourth leg (9), a first connector (4), a second connector (5), a first caster (6), a second caster (7), a third caster (10), a fourth caster (11), a first limiting pin (37), and a second limiting pin (40). The fifth caster (12) is mounted on the first corner end of the bracket body (1) via the first axle, and the sixth caster (13) is mounted on the second corner end of the bracket body (1) via the second axle. The first leg (2) and the second leg (3) are fixedly connected together by the second connector (5), the third leg (8) and the fourth leg (9) are fixedly connected together by the first connector (4), the first leg (2) and the fourth leg (9) are fixedly connected together by the first limiting pin (37), the second leg (3) and the fourth leg (9) are fixedly connected together by the second limiting pin (40), the first caster (6) is located at the first free end of the second leg (3), the second caster (7) is located at the first free end of the first leg (2), the fourth caster (11) is located at the first free end of the fourth leg (9), and the third caster (10) is located at the first free end of the third leg (8). The movable wheel frame is also connected to the bracket body (1) via a first limiting pin (37) and a second limiting pin (40), so that when the movable wheel frame is in the first posture, the first caster (6), the second caster (7), the fifth caster (12), and the sixth caster (13) are in contact with the ground and move; when the movable wheel frame is in the second posture, the third caster (10), the fourth caster (11), the fifth caster (12), and the sixth caster (13) are in contact with the ground and move.

2. The movable support according to claim 1, characterized in that, The bottom of the bracket body (1) is provided with a first limiting groove and a second limiting groove. The first limiting groove corresponds to the third leg (8), so that the third leg (8) can be accommodated in the first limiting groove; The second limiting groove corresponds to the fourth leg (9), so that the fourth leg (9) can be accommodated in the second limiting groove.

3. The movable support according to claim 1, characterized in that, The bottom of the bracket body (1) is provided with a seventh receiving groove (22) and an eighth receiving groove (23). The seventh receiving groove (22) corresponds to the third caster (10), so that the third caster (10) can be received in the seventh receiving groove (22); The eighth receiving groove (23) corresponds to the fourth caster (11), so that the fourth caster (11) can be received in the eighth receiving groove (23).

4. The movable support according to claim 1, characterized in that, The bottom of the bracket body (1) is provided with a third limiting groove. The third limiting groove corresponds to the first connector (4), so that the first connector (4) can be accommodated in the third limiting groove.

5. The movable support according to claim 1, characterized in that, The bottom of the bracket body (1) is provided with a fifth receiving groove (20) and a sixth receiving groove (21). The fifth caster (12) is housed in the fifth receiving groove (20), and the sixth caster (13) is housed in the sixth receiving groove (21).

6. The movable support according to claim 1, characterized in that, It also includes a first set of reinforcing ribs (30) and a second set of reinforcing ribs (32). The bracket body (1) is provided with a first wheel axle hole (29) at the position corresponding to the first wheel axle, and the first set of reinforcing ribs (30) is fixedly disposed between the outer wall of the first wheel axle hole (29) and the bottom of the bracket body (1); The bracket body (1) is provided with a second wheel axle hole (31) at the position corresponding to the second wheel axle, and the second set of reinforcing ribs (32) are fixedly disposed between the outer wall of the second wheel axle hole (31) and the bottom of the bracket body (1).

7. The movable support according to claim 1, characterized in that, It also includes the first reversing wheel (16), the second reversing wheel (18), the third reversing wheel (33), and the fourth reversing wheel (34). The first reversing wheel (16) is located at the second free end of the third support leg (8), the fourth reversing wheel (34) is located at the second free end of the second support leg (3), the second reversing wheel (18) is located at the second free end of the fourth support leg (9), and the third reversing wheel (33) is located at the second free end of the first support leg (2). The bottom of the bracket body (1) is provided with a first receiving groove (14) and a second receiving groove (15). The first receiving groove (14) corresponds to the first reversing wheel (16) and the fourth reversing wheel (34), so that when the moving wheel frame switches between the first posture and the second posture, the first reversing wheel (16) and the fourth reversing wheel (34) can move within the first receiving groove (14); The second receiving groove (15) corresponds to the second reversing wheel (18) in the first posture and corresponds to the third reversing wheel (33) in the second posture, so that when the moving wheel frame switches between the first posture and the second posture, the second reversing wheel (18) and the third reversing wheel (33) can move in the second receiving groove (15).

8. The movable support according to claim 7, characterized in that, A third receiving groove (17) is provided at the top corner of the first receiving groove (14). The shape of the third receiving groove (17) is adapted to the shape of the first reversing wheel (16), so that when the moving wheel frame is in the second posture, the first reversing wheel (16) is housed in the third receiving groove (17). A fourth receiving groove (19) is provided at the top corner of the second receiving groove (15). The shape of the fourth receiving groove (19) is adapted to the shape of the second reversing wheel (18), so that when the moving wheel frame is in the second posture, the second reversing wheel (18) is housed in the fourth receiving groove (19).

9. The movable support according to claim 1, characterized in that, It also includes a handle (24), a first limiting member (25), a second limiting member (26), a third limiting member (27) and a fourth limiting member (28). The first limiting member (25) and the third limiting member (27) are respectively fixedly connected to the two free ends of the handle (24). The third limiting member (27) is fixedly connected to the outside of the first limiting member (25) and forms a first connecting end; the fourth limiting member (28) is fixedly connected to the outside of the third limiting member (27) and forms a second connecting end. The handle (24) is connected to the first leg (2) via the first connecting end, and the handle (24) is connected to the second leg (3) via the second connecting end.

10. The movable support according to claim 1, characterized in that, The surface of the bracket body (1) has an intermittent concave-convex shape.

11. The movable support according to claim 1, characterized in that, The first leg (2) is provided with a first elongated hole (35), and the fourth leg (9) is provided with a second elongated hole (36). The positions of the first elongated hole (35) and the second elongated hole (36) are corresponding, and the first limiting pin (37) passes through the first elongated hole (35) and the second elongated hole (36) at the same time. The second leg (3) is provided with a fourth elongated hole (39), and the third leg (8) is provided with a third elongated hole (38). The positions of the fourth elongated hole (39) and the third elongated hole (38) are corresponding, and the second limiting pin (40) passes through both the fourth elongated hole (39) and the third elongated hole (38).

Images