Footstool

By designing a footstool with detachable support columns and plug-in friction structure, the existing footstool has solved the problems of single function and complex height adjustment, achieving multi-functional support and simple adjustment, improving user experience and stability.

CN223262582UActive Publication Date: 2025-08-26QINGXIAN INTELLIGENT INNOVATION (SHENZHEN) CO LTD
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Patent Information

Application Number
CN202422472832.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-11
Publication Date
2025-08-26
Estimated Expiration
2034-10-11

AI Technical Summary

Technical Problem

The existing footrest has a single function and cannot support the legs and feet at the same time. The height adjustment is complex, the comfort is poor, and the user experience is poor.

Method used

A footstool is designed including a bracket, footrest, legrest and removable support column. The footrest is removably mounted on the bracket through the support column. The legrest is higher than the footrest. The support column can be adjusted to meet different needs, and the connection stability is improved through plug-in and friction structures.

Benefits of technology

It realizes the function of supporting legs and feet at the same time, with simple height adjustment, improved user experience, enhanced assembly efficiency and stability, and reduced maintenance and storage difficulties.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of devices for supporting feet and / or legs of a seated person, and discloses a footstool, which comprises a bracket, a foot rest plate, a leg rest plate and at least two supporting columns, the bracket comprises a first mounting end and a second mounting end; the footrest is detachably mounted at the first mounting end through the supporting column; the leg rest plate is mounted at the second mounting end and is higher than the foot rest plate; each supporting column comprises at least one stand column. The footstool provided by the utility model can meet the function of supporting legs and feet at the same time, and the height of the footrest is simple to adjust, so that the use experience of a user is effectively improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of devices for supporting the feet and / or legs of a seated person, in particular to a footstool. Background Art

[0002] Office desks are generally high. To maintain a healthy working posture, the chair needs to be raised so that the person's line of sight is level with the computer screen and the elbow joint is kept at a 90-degree angle. However, this adjustment will cause some people's feet to be unable to touch the ground. In related technologies, chairs with leg rests are relatively complex in structure and cannot be used in both scenarios of supporting footrests and leg rests. In order to raise the feet, footstools were introduced.

[0003] However, the footstool in the prior art has a single function and cannot simultaneously support the legs and feet. In addition, the height of the footstool is difficult to adjust, and the overall comfort of the footstool is poor, which reduces the user experience. Utility Model Content

[0004] In view of this, the utility model provides a footstool to solve the technical problem that the footstool has a single function and is complicated to adjust the height.

[0005] The utility model provides a footstool, comprising:

[0006] a stand, footrest, legrest, and at least two support columns;

[0007] The bracket includes a first mounting end and a second mounting end;

[0008] The footrest is detachably mounted on the first mounting end via the support column;

[0009] The legrest is installed at the second installation end and is higher than the footrest;

[0010] Each of the support columns includes at least one upright column.

[0011] Beneficial effects: A bracket is provided to provide a stable installation position for the footrest, legrest and support column; the footrest is detachably mounted on the first installation end of the bracket through the support column to provide support for the feet, and the detachable design facilitates transportation, storage and assembly, and is also convenient for repair or replacement when necessary, and is convenient for users to assemble the footrest to a height that matches their height; the legrest is mounted on the second installation end of the bracket and is higher than the footrest for placing the legs, so that the legs can be better relaxed when resting. When the height of the footrest needs to be adjusted, the number of pillars is adjusted to meet the height requirements of the footrest. The footstool provided by the utility model can simultaneously meet the functions of supporting legs and feet, and the height adjustment of the footrest is simple, which effectively improves the user experience.

[0012] In an optional embodiment, a plug-in protrusion is provided at one end of the column;

[0013] The other end of the column is provided with a first plug-in hole matching the plug-in protrusion.

[0014] Beneficial effects: By respectively providing plug-in protrusions and first plug-in holes matching the plug-in protrusions at both ends of the column; when the support column requires multiple columns to be spliced ​​in sequence, they can be combined by plugging, making it faster and more convenient to assemble the footstool; there is no need to use complicated tools or perform tedious operations, and the connection can be completed by simply inserting the plug-in protrusion of one column into the first plug-in hole of another column, thereby improving assembly efficiency.

[0015] In an optional embodiment, a first friction structure for increasing friction is provided on the outer peripheral side of the plug-in protrusion.

[0016] Beneficial effect: By providing a first friction structure on the outer peripheral side of the plug-in protrusion, when the plug-in protrusion is plugged into the first plug-in hole, the first friction structure can effectively increase the friction between the two columns, thereby improving the tightness of the connection between the columns.

[0017] In an optional embodiment, the bottom surface of the footrest is provided with at least one first connecting post and at least one second connecting post, and the height of the first connecting post is lower than that of the second connecting post; and / or:

[0018] The outer circumferences of the first connecting column and the second connecting column are both provided with second friction structures for increasing friction.

[0019] Beneficial effects: By providing a first connecting column and a second connecting column on the bottom surface of the footrest, a connection interface is provided for connecting the footrest to the support column, so that the support column can be connected to the first connecting column and the second connecting column respectively, so that the footrest can be stably installed on the support of the footstool. Setting the height of the first connecting column to be lower than the height of the second connecting column can make the footrest present a certain tilt angle after installation, which is more in line with ergonomic principles and makes it more comfortable to place the feet on the footrest. Further, a second friction structure for increasing friction is provided on the outer peripheral side of the first connecting column and the second connecting column, which can increase the friction between the first connecting column and the second connecting column and the support column, and prevent the footrest from sliding or loosening during use.

[0020] In an optional embodiment, a plurality of reinforcing ribs are provided on the bottom of the footrest, and the plurality of reinforcing ribs are respectively arranged on the circumference of the first connecting column and the second connecting column.

[0021] Beneficial Effects: By providing reinforcing ribs at the bottom of the footrest, the structural strength of the footrest is enhanced, effectively improving its load-bearing capacity. Since the connecting column is the key point connecting the footrest to the support column and is subject to significant stress, the reinforcing ribs are placed around the sides of the first and second connecting columns to provide additional support, sharing the pressure between the first and second connecting columns and improving the stability of the connection. The first and second connecting columns provide a connection function, while the reinforcing ribs enhance the strength of the footrest. The two work together to ensure the footrest maintains stable performance during use.

[0022] In an optional embodiment, the bottom surface of the footrest is provided with at least one receiving groove extending along the length or width direction of the footrest, and the upright post is received in the receiving groove; and / or:

[0023] The footrest and / or the legrest are provided with a detachable protective pad.

[0024] Beneficial Effects: By providing a storage slot on the bottom surface of the footrest and extending along the length or width of the footrest, the space on the bottom surface of the footrest is fully utilized, allowing the uprights to be stored in the storage slots. When the footstool needs to be disassembled or stored, the uprights can be stored in the storage slots, making the various components of the footstool more organized, convenient for storage and transportation, reducing space occupied, and also preventing the uprights from being lost. By detachably providing a protective pad on the footrest and / or legrest, a softer contact surface is provided for the feet and legs, improving the comfort of the footrest and legrest. The detachable design of the protective pad allows it to be easily removed for cleaning or replacement when it becomes dirty or damaged, keeping the footstool clean and in good condition.

[0025] In an optional embodiment, the bracket includes a bent tube, the tube of the bent tube is bent to form the first mounting end and the second mounting end, and a plurality of anti-slip pads are provided at the bottom of the tube of the bent tube located at the first mounting end.

[0026] Beneficial Effects: Bending the bent tube to form the first and second mounting ends makes the bracket structure more compact, reduces the number of parts, and lowers production costs and assembly difficulty. Furthermore, multiple anti-slip pads are provided at the bottom of the tube at the first mounting end. When the footstool is placed on the ground, these pads increase friction between the bracket and the ground, preventing the footstool from sliding or shifting during use, thereby improving its stability and safety.

[0027] In an optional embodiment, a connecting piece is further included, which is arranged on the pipe fitting of the bent pipe located at the first installation end and is used to connect the bracket and the support column.

[0028] Advantageous Effects: By providing a connector on the first mounting end of the bent tube, the connector is connected to the bracket and the support column separately, avoiding direct connection between the support column and the bracket, thereby reducing the force exerted by the support column on the bracket. Furthermore, the connector prevents relative movement between the support column and the bracket, reducing shaking and instability during use of the footstool, thereby improving the safety and reliability of the footstool.

[0029] In an optional embodiment, one side of the connecting member is provided with a slot for clamping on the pipe fitting of the bent pipe at the first mounting end, and the other side is provided with at least one third connecting column, and the third connecting column is provided with a second plug-in hole matching the plug-in protrusion.

[0030] Beneficial Effects: By providing a slot on one side of the connector for engaging with the bent tube at the first mounting end, the connector can be quickly and easily installed on the tube, while also being able to withstand a certain amount of pressure, ensuring a stable connection. A second plug-in hole, matching the plug-in protrusion, is provided on the other side of the connector. The plug-in protrusion on the support column can be inserted into the second plug-in hole of the third connecting column, connecting the connector to the support column and thus mounting the footrest at the first mounting end. This plug-in connection is simple and reliable, facilitating assembly and disassembly of the footstool.

[0031] In an optional embodiment, a crossbeam is further included, which is detachably arranged between a pair of pipe members at the first mounting end of the bent pipe.

[0032] Beneficial Effects: By detachably positioning the crossbeam between the pair of pipe fittings at the first mounting end of the bent tube, it connects and reinforces the pair of pipe fittings at the first mounting end. It also prevents the pipe fittings from deforming or twisting when subjected to external forces, thereby enhancing the structural stability of the entire footrest bracket at the first mounting end. Furthermore, when weight is applied to the footrest, the crossbeam can share some of the pressure from the footrest, evenly transferring it to the pipe fittings on both sides, reducing the stress on individual pipe fittings and improving the footrest's load-bearing capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0034] Figure 1 This is a schematic diagram of the three-dimensional structure of a footstool according to an embodiment of the present utility model;

[0035] Figure 2 for Figure 1 Front view of the footstool shown;

[0036] Figure 3 This is a structural diagram of a footrest in a footstool according to an embodiment of the present invention;

[0037] Figure 4 This is a schematic structural diagram of a support column in a footstool according to an embodiment of the present invention;

[0038] Figure 5 This is a schematic structural diagram of a footstool bracket according to an embodiment of the present invention.

[0039] Description of reference numerals:

[0040] 1. Footstool; 11. Footrest; 111. First connecting column; 112. Second connecting column; 113. Storage slot; 114. Reinforcement rib; 12. Legrest; 13. Support column; 131. Vertical column; 1311. Inserting protrusion; 14. Bracket; 141. First mounting end; 142. Second mounting end; 15. Connector; 151. Third connecting column; 16. Crossbeam; 17. Anti-slip pad. DETAILED DESCRIPTION

[0041] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of the present invention.

[0042] The following combination Figures 1 to 5 , describing the embodiments of the present utility model.

[0043] According to the embodiment of the present utility model, Figure 1 、 Figure 2 As shown, a footstool 1 is provided, comprising: a bracket 14, a footrest 11, a legrest 12 and at least two support columns 13; the bracket 14 comprises a first mounting end 141 and a second mounting end 142; the footrest 11 is detachably mounted on the first mounting end 141 through the support column 13; the legrest 12 is mounted on the second mounting end 142 and is higher than the footrest 11; each support column 13 comprises at least one upright column 131.

[0044] In this embodiment, a bracket 14 is provided to provide a stable mounting position for the footrest 11, legrest 12, and support column 13. The bracket 14 includes a first mounting end 141 and a second mounting end 142. The footrest 11 is detachably mounted on the first mounting end 141 of the bracket 14 via the support column 13 to provide support for the feet. The detachable design facilitates transportation, storage, and assembly, and is also convenient for repair or replacement when needed. The number of mounting columns 131 can be selected according to the required height, making it convenient for the user to assemble the footrest to a height that matches their height. The legrest 12 is fixedly mounted on the second mounting end 142 of the bracket 14 and is higher than the footrest 11, and is used to place the legs, allowing the legs to be better relaxed when resting. When the height of the footrest 11 needs to be adjusted, the number of columns is adjusted to meet the height requirement of the footrest 11. The footstool 1 provided by this utility model can simultaneously meet the functions of supporting both legs and feet, and the height adjustment of the footrest 11 is simple, effectively improving the user experience.

[0045] In other embodiments, the legrest 12 is rotatably mounted on the second mounting end 142 of the bracket 14 ; the position of the legrest 12 on the bracket 14 can be adjusted according to usage requirements.

[0046] In other embodiments, the legrest 12 is detachably mounted on the second mounting end 142 via the support columns 13 ; the height of the legrest 12 can also be adjusted by adjusting the number of the columns 131 .

[0047] In other possible implementations, each support column 13 includes multiple uprights 131, which are sequentially connected to form the support column 13. The number of uprights 131 can be two, three, or other such columns. The uprights 131 can be cylindrical or square. The number and shape of the uprights 131 can be selected based on specific needs. Adjusting the height of the footrest 11 from the ground based on the number and structure of the uprights 131 can improve adjustment efficiency.

[0048] In other feasible modes, the support column 13 is a telescopic rod. The footrest 11 is supported by the telescopic rod, and when adjusting the height of the footrest 11 from the ground, the height of the telescopic rod can be adjusted.

[0049] like Figure 4 As shown, in one embodiment, a plug-in protrusion 1311 is provided at one end of the column 131 ; and a first plug-in hole matching the plug-in protrusion 1311 is provided at the other end of the column 131 .

[0050] In this embodiment, a plug-in protrusion 1311 is provided at one end of the column 131. The diameter of the plug-in protrusion 1311 is smaller than that of the column 131. A first plug-in hole that matches the plug-in protrusion 1311 is provided at the other end of the column 131. When the support column 13 requires multiple columns 131 to be assembled in sequence, they can be assembled by plugging them together, making assembly of the footstool 1 faster and more convenient. No complicated tools or tedious operations are required; the connection is completed by simply inserting the plug-in protrusion 1311 of one column 131 into the first plug-in hole of another column 131, thereby improving assembly efficiency. Furthermore, if a column 131 becomes damaged or needs to be replaced, it can be easily removed from the footstool 1 and replaced with a new column 131, reducing maintenance costs and difficulty.

[0051] In one embodiment, a first friction structure for increasing friction is provided on the outer circumference of the plug-in protrusion 1311 .

[0052] In this embodiment, a first friction structure is provided on the outer circumference of the insertion protrusion 1311, for example, a plurality of ridges extending axially along the outer circumference of the insertion protrusion 1311 along the pillar 131. When the two pillars 131 are plugged together, the plurality of ridges contact the inner surface of the first insertion hole, thereby increasing the friction between the two pillars 131, improving the tightness of the connection between the pillars 131, and preventing the pillars 131 from falling off.

[0053] In other possible implementations, the first friction structure may be silicone provided on the outer circumference of the plug-in protrusion 1311. The first friction structure is not limited thereto and may be configured as desired.

[0054] like Figure 3 As shown, in one embodiment, the bottom surface of the footrest 11 is provided with at least one first connecting column 111 and at least one second connecting column 112, and the height of the first connecting column 111 is lower than the height of the second connecting column 112; and / or: the outer peripheral sides of the first connecting column 111 and the second connecting column 112 are both provided with a second friction structure for increasing friction.

[0055] In this embodiment, a first connecting post 111 and a second connecting post 112 are provided on the bottom surface of the footrest 11. The first connecting post 111 and the second connecting post 112 are located on different sides of the bottom surface of the footrest 11, and the height of the first connecting post 111 is set lower than that of the second connecting post 112. This allows the footrest 11 to present a certain tilt angle after installation, which is more ergonomic and makes it more comfortable for the foot to rest on the footrest 11. The first connecting post 111 and the second connecting post 112 provide connection interfaces for connecting the footrest 11 to the support post 13, allowing the support post 13 to be connected to the first connecting post 111 and the second connecting post 112, respectively, thereby stably mounting the footrest 11 on the bracket 14 of the footstool 1. At least one first connecting post 111 and at least one second connecting post 112 are provided; preferably, two first connecting posts 111 and two second connecting posts 112 are provided, which can improve the stability of the footrest 11 on the bracket 14.

[0056] Furthermore, the second friction structure on the outer periphery of the first and second connecting posts 111, 112 may be ridges or silicone rubber, etc.; the second friction structure may be the same as the first friction structure. The second friction structure is provided on the outer periphery of the first and second connecting posts 111, 112 to increase friction, thereby increasing the friction between the first and second connecting posts 111, 112 and the support post 13, thereby preventing the footrest 11 from slipping or loosening during use.

[0057] In one embodiment, a plurality of reinforcing ribs 114 are provided at the bottom of the footrest 11 , and the plurality of reinforcing ribs 114 are respectively arranged around the first connecting column 111 and the second connecting column 112 .

[0058] In this embodiment, a plurality of reinforcing ribs 114 are provided at the bottom of the footrest 11 to enhance the structural strength of the footrest 11 and effectively improve its load-bearing capacity. Since the connecting column is the key part connecting the footrest 11 to the support column 13 and is subjected to significant stress, the reinforcing ribs 114 are provided around the sides of the first and second connecting columns 111, 112 to provide additional support for the connecting columns, thereby sharing the pressure between the first and second connecting columns 111, 112 and improving the stability of the connection. The first and second connecting columns 111, 112 provide a connecting function, while the reinforcing ribs 114 enhance the strength of the footrest 11. Through the interaction of the two, the footrest 11 can maintain stable performance during use.

[0059] In one embodiment, the bottom surface of the footrest 11 is provided with at least one storage groove 113 extending along the length or width direction of the footrest 11, and the column 131 is stored in the storage groove 113; and / or: a detachable protective pad is provided on the footrest 11 and / or the legrest 12.

[0060] In this embodiment, at least one receiving slot 113 is provided on the bottom surface of the footrest 11, extending along the length or width of the footrest 11. This fully utilizes the space on the bottom surface of the footrest 11 and allows the upright posts 131 to be accommodated within the receiving slot 113. The receiving slot 113 is formed by two adjacent reinforcing ribs 114. The width of the receiving slot 113 is designed to match the diameter of the upright posts 131. Furthermore, a friction-enhancing structure is provided within the receiving slot 113, allowing the upright posts 131 to fit snugly between the two adjacent reinforcing ribs 114. When the footstool 1 needs to be disassembled or stored, the upright posts 131 can be stored within the receiving slot 113. This improves the orderliness of the footstool 1 components, facilitates storage and transportation, reduces space usage, and prevents the upright posts 131 from being lost. The number of receiving slots 113 can be customized based on actual usage needs, ensuring that they can accommodate the upright posts 131 supporting the footrest 11.

[0061] Furthermore, removably attaching a protective pad to the footrest 11 and / or legrest 12 provides a softer contact surface for the feet and legs, enhancing the comfort of the footrest 11 and legrest 12. The removable design of the protective pad allows for easy removal for cleaning or replacement when dirty or damaged, keeping the footstool 1 clean and in good condition. Depending on actual needs and usage scenarios, the protective pad can be attached to either the footrest 11 or legrest 12, or both.

[0062] like Figure 5 As shown, in one embodiment, the bracket 14 includes a bent tube, the tube of the bent tube is bent to form a first mounting end 141 and a second mounting end 142, and a plurality of anti-slip pads 17 are provided at the bottom of the tube of the bent tube located at the first mounting end 141.

[0063] In this embodiment, a single bent tube is bent to form the first mounting end 141 and the second mounting end 142, making the structure of the bracket 14 more compact and simple, reducing the number of components, lowering production costs, and lowering assembly difficulty. Furthermore, multiple anti-slip pads 17 are provided at the bottom of the tube at the first mounting end 141. Specifically, four anti-slip pads 17 are provided, one each mounted around the bottom of the tube at the first mounting end 141. When the footstool 1 is placed on the ground, the friction between the bracket 14 and the ground is increased, preventing the footstool 1 from sliding or shifting during use, thereby improving its stability and safety.

[0064] In other achievable embodiments, the bracket 14 may also be formed by splicing a plurality of pipes to form a first mounting end 141 and a second mounting end 142 .

[0065] In one embodiment, a connecting member 15 is further included, which is provided on the bent tube at the first mounting end 141 and is used to connect the bracket 14 and the support column 13 .

[0066] In this embodiment, a connector 15 is provided on the bent tube at the first mounting end 141. The connector 15 is connected to the bracket 14 and the support column 13, respectively. This prevents the support column 13 from being directly connected to the bracket 14, thereby reducing the force exerted by the support column 13 on the bracket 14. Furthermore, the connector 15 prevents relative movement between the support column 13 and the bracket 14, reducing shaking and instability of the footstool 1 during use, thereby improving the safety and reliability of the footstool 1.

[0067] The connector 15 may be a three-way pipe, a bolt, or a snap fastener, etc. The specific connector may be selected according to the needs of use.

[0068] In one embodiment, one side of the connecting member 15 is provided with a slot for clamping on the pipe fitting at the first mounting end 141 of the bent pipe, and the other side is provided with at least one third connecting column 151, and the third connecting column 151 is provided with a second plug-in hole matching the plug-in protrusion 1311.

[0069] In this embodiment, a slot is provided on one side of the connector 15 for snapping onto the bent tube at the first mounting end 141. This allows the connector 15 to be quickly and easily installed on the tube and withstands a certain amount of pressure, ensuring a stable connection. A second insertion hole is provided on the other side of the connector 15, matching the insertion protrusion 1311. The insertion protrusion 1311 on the support column 13 can be inserted into the second insertion hole of the third connecting column 151, thereby connecting the connector 15 to the support column 13 and, in turn, mounting the footrest 11 at the first mounting end 141. During assembly, the connector 15 is first snapped onto the bent tube at the first mounting end 141, then the insertion protrusion 1311 on the support column 13 is inserted into the second insertion hole of the third connecting column 151. Installation is complete. If repairs or component replacements are required, the connector 15 can be easily removed to perform the corresponding operations. This plug-and-play connection is simple and reliable, facilitating both assembly and disassembly of the footstool 1.

[0070] In one embodiment, a crossbeam 16 is further included, which is detachably disposed between a pair of pipe members located at the first mounting end 141 of the bent pipe.

[0071] In this embodiment, the crossbeam 16 is detachably positioned between the pair of pipes at the first mounting end 141 of the bent tube. This serves to connect and reinforce the pair of pipes at the first mounting end 141. It also prevents the pipes from deforming or twisting when subjected to external forces, thereby enhancing the structural stability of the entire bracket 14 at the first mounting end 141. Furthermore, when weight is applied to the footrest 11, the crossbeam 16 can share some of the pressure from the footrest 11, evenly distributing it to the pipes on either side. This reduces the stress on individual pipes and improves the load-bearing capacity of the footstool 1. The crossbeam 16 can be easily removed for transportation and storage, reducing the overall space occupied and making transportation and storage more convenient and efficient.

[0072] In one embodiment, a heating device and / or a ventilation device are provided on the footrest 11 and / or the legrest 12. For example, a heating device and a ventilation device are provided on both the footrest 11 and the legrest 12; or a heating device is provided on the footrest 11, and a ventilation device is provided on the legrest 12. The specific configuration can be customized according to actual usage requirements. The ventilation device can be an electric fan, and the heating device can be a heating film or a heating wire.

[0073] Although the embodiments of the present invention have been described with reference to the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations shall fall within the scope defined by the appended claims.

Claims

1. A footstool, characterized in that: include: A bracket (14), a footrest (11), a legrest (12) and at least two support columns (13); The bracket (14) includes a first mounting end (141) and a second mounting end (142); The footrest (11) is detachably mounted on the first mounting end (141) via the support column (13); The legrest (12) is mounted on the second mounting end (142) and is higher than the footrest (11); Each of the support columns (13) includes at least one upright column (131).

2. The footstool according to claim 1, characterized in that One end of the column (131) is provided with a plug-in protrusion (1311); The other end of the column (131) is provided with a first plug-in hole matching the plug-in protrusion (1311).

3. The footstool according to claim 2, characterized in that The outer peripheral side of the plug-in protrusion (1311) is provided with a first friction structure for increasing friction.

4. The footstool according to claim 1, wherein: The bottom surface of the footrest (11) is provided with at least one first connecting column (111) and at least one second connecting column (112), wherein the height of the first connecting column (111) is lower than the height of the second connecting column (112); and / or: The outer circumferences of the first connecting column (111) and the second connecting column (112) are both provided with second friction structures for increasing friction.

5. The footstool according to claim 4, characterized in that The bottom of the footrest (11) is provided with a plurality of reinforcing ribs (114), and the plurality of reinforcing ribs (114) are respectively arranged on the circumference of the first connecting column (111) and the second connecting column (112).

6. The footstool according to claim 1, wherein: The bottom surface of the footrest (11) is provided with at least one receiving groove (113) extending along the length or width direction of the footrest (11), and the upright post (131) is received in the receiving groove (113); and / or: The footrest (11) and / or the legrest (12) are provided with a detachable protective pad.

7. The footstool according to claim 2, characterized in that The bracket (14) comprises a bent tube, the tube of the bent tube is bent to form the first mounting end (141) and the second mounting end (142), and a plurality of anti-slip pads (17) are provided at the bottom of the tube of the bent tube located at the first mounting end (141).

8. The footstool according to claim 7, characterized in that It also includes a connecting piece (15) which is arranged on the pipe piece of the bent pipe located at the first mounting end (141) and is used to connect the bracket (14) and the support column (13).

9. The footstool according to claim 8, characterized in that One side of the connecting piece (15) is provided with a slot for clamping on the pipe piece of the bent pipe located at the first mounting end (141), and the other side is provided with at least one third connecting column (151), and the third connecting column (151) is provided with a second plug-in hole matching the plug-in protrusion (1311).

10. The footstool according to claim 7, wherein: It also includes a crossbeam (16) which is detachably arranged between a pair of pipe members of the bent pipe located at the first mounting end (141).