Foot sleeve mechanism

Abstract

The utility model provides a foot sleeve mechanism which comprises a supporting base and a connecting base, one end of the connecting base is connected with a supporting leg in a sleeving mode, and the other end of the connecting base is connected with the supporting base. Wherein the supporting base is provided with a reinforcing assembly for installing the supporting legs, the reinforcing assembly is connected to the inner wall of the supporting base, and the reinforcing assembly extends towards the direction of the connecting base; the supporting legs are attached to the inner wall of the reinforcing assembly. According to the foot sleeve mechanism, the acting force of the supporting legs is evenly transmitted to the foot sleeve mechanism, the foot sleeve mechanism is evenly transmitted to the soft soil surface, inclination is not likely to happen, the foot sleeve mechanism and the supporting legs can be independently disassembled, assembled and installed, the disassembling procedure is simple, and maintenance or replacement is easy.

Description

Technical Field

[0001] The present application relates to the field of furniture design, and in particular to a foot cover mechanism. Background Art

[0002] Nowadays, more and more people go out camping, outdoor camping, etc., and leisure chairs are also indispensable. Leisure chairs can provide people with seating space and a comfortable resting environment, which can effectively relax the body and mind and allow people to better enjoy their leisure time.

[0003] In the prior art, when the leisure chair is in use, when the legs are supported on the soft ground, the force applied by the leisure chair to the legs is concentrated on the contact points between the legs and the soft ground. The supporting area between the legs and the soft ground is small, and the supporting area is insufficient to disperse the force, resulting in insufficient bearing capacity of the local soft ground. The legs are easily sunk into the soil, and people are easily prone to falling as the leisure chair tilts. The leisure chair has poor stability and support, which affects people's safety and reduces people's comfort.

[0004] In addition, when the legs of the leisure chair are supported on a smooth or relatively rough ground, the legs produce friction with the ground, which is likely to make friction or shaking sounds. The noise generated is relatively loud, affecting people's rest and resulting in a lower user experience.

[0005] Therefore, the leg structure of the leisure chair in the prior art has room for further improvement. Utility Model Content

[0006] In view of this, in order to solve the technical problem in the prior art that the forces exerted by the legs of the leisure chair on the soft ground are concentrated, resulting in insufficient local soil bearing capacity, the legs are easily sunk into the soil, and the stability of the leisure chair is poor, the present application provides a foot cover mechanism, which is sleeved on the legs, and the foot cover mechanism replaces the legs in direct contact with the soft ground, wherein the foot cover mechanism is a spherical structure, which can more evenly disperse the forces exerted by the leisure chair on the soft ground, reduce the concentration of the forces exerted by the leisure chair on the soft ground, reduce the risk of the leisure chair sinking into soft soil and tilting, improve the stability of the leisure chair, enhance the safety and comfort of people during use, and enhance the user experience.

[0007] To achieve the above objectives, the present application provides the following technical solutions: a foot cover mechanism, comprising a support base and a connecting seat, wherein one end of the connecting seat is sleeved with the support leg, and the other end of the connecting seat is connected to the support base;

[0008] Wherein, the support base is provided with a reinforcement component for mounting the legs, the reinforcement component is connected to the inner wall of the support base, and the reinforcement component extends toward the connecting seat;

[0009] Wherein, the supporting legs are in contact with the inner wall of the reinforcing component.

[0010] Compared with the prior art, the present application provides a foot cover mechanism for supporting the legs. When the leisure chair is supported on soft ground, the user only needs to install the foot cover mechanism on the legs to replace the legs in contact with the soft ground. The force exerted by the leisure chair can be dispersed along the spherical foot cover mechanism, which can more evenly distribute the force exerted by the leisure chair on the soft ground, reduce the concentration of the force exerted by the leisure chair on the soft ground, and reduce the risk of the leisure chair sinking into the soft ground and tilting. When not needed, the foot cover mechanism can be directly pulled out from the legs, and the installation and removal procedures are simple. Among them, a reinforcement assembly for the leg installation is provided on the support base. The legs fit into the inner wall of the reinforcement assembly. The force exerted by the legs is evenly transmitted to the foot cover mechanism, and the foot cover mechanism is evenly transmitted to the soft ground, making it less likely to tilt. The foot cover mechanism can also be disassembled and installed separately, making the disassembly procedure simple and maintenance or replacement relatively simple.

[0011] Furthermore, a limiting member is provided on the connecting seat, the limiting member is connected to the inner wall of the connecting seat, the reinforcing assembly is at least partially in contact with the limiting member, and the limiting member is used to limit the reinforcing assembly;

[0012] There are multiple limiting members, and the multiple limiting members are arranged at intervals.

[0013] Furthermore, the reinforcement assembly includes a fixing member connected to the inner wall of the support base, the fixing member extends toward the connecting seat, and the supporting legs are in contact with the fixing member;

[0014] There are multiple fixing members, which are arranged at intervals, and each fixing member is an arc-shaped structure.

[0015] Furthermore, the reinforcement assembly further includes a support member, one end of the support member is connected to the fixing member, and the other end is connected to the inner wall of the support base, and the support member is used to support the fixing member;

[0016] Wherein, at least two of the supporting members are connected to a corresponding single fixing member.

[0017] Furthermore, a positioning member is provided between two adjacent fixing members, the positioning member is connected to the inner wall of the support base, and the positioning member extends toward the connecting seat;

[0018] A limiting member is provided on the connecting seat, and at least a portion of the positioning member is in close contact with the limiting member.

[0019] In some embodiments of the present application, the support base is provided with threads, the connecting base is provided with threaded holes, and the support base is threadedly connected to the connecting base;

[0020] or,

[0021] The support base is provided with a threaded hole, the connecting seat is provided with a thread, and the support base is threadedly connected to the connecting seat.

[0022] In some embodiments of the present application, a mating portion is provided on a side of the support base close to the connecting base, and a locking portion is provided on the connecting base, and the mating portion cooperates with the locking portion to lock the connection between the support base and the connecting base;

[0023] Wherein, the support base and the connecting seat are detachably connected.

[0024] Furthermore, the matching portion includes an annular protrusion and a limiting block, the annular protrusion is connected to the limiting block, and the limiting block is arranged on a side of the annular protrusion away from the reinforcing assembly;

[0025] The annular protrusion protrudes toward the connecting seat, and when the foot cover mechanism is in a locked state, the limiting block is in contact with the locking portion.

[0026] Furthermore, the locking portion includes an insert block, which protrudes toward the center line of the connecting seat;

[0027] The matching portion is provided with an installation opening for inserting the inserting block, and the inserting block is snapped into the installation opening to achieve the snap connection between the supporting base and the connecting seat.

[0028] In some embodiments of the present application, a friction member is provided on the surface of the support base, the friction member is connected to the support base, and the friction member protrudes in a direction away from the support base;

[0029] The friction member has a pentagonal structure.

[0030] The foot cover mechanism of the present application has at least the following technical effects:

[0031] 1. By setting a limiter, the limiter is connected to the inner wall of the connecting seat, and the reinforcing component is at least partially in close contact with the limiter. When the supporting leg is connected to the foot cover mechanism, the supporting leg applies a certain force to the reinforcing component, and the reinforcing component is subjected to the force and expands in the direction away from the supporting leg. When the reinforcing component expands to a certain design range, the reinforcing component is in close contact with the limiter, which can effectively absorb and disperse the force applied by the supporting leg, reduce the local pressure on the reinforcing component, thereby increasing the stability and supporting capacity of the reinforcing component and extending the service life of the reinforcing component.

[0032] 2. By setting up the support parts, when the support legs apply force to the fixing parts, the support parts can effectively support the fixing parts to prevent the fixing parts from large expansion and deformation. The fixing parts can obtain additional support and stability, thereby reducing the stress concentration in the force-bearing parts. It can also effectively disperse the force transmitted from the support base, reduce the risk of deformation and damage of the fixing parts, and extend the service life of the fixing parts.

[0033] 3. By setting a matching part and a locking part, the matching part cooperates with the locking part to lock the connection between the support base and the connecting seat, and the support base and the connecting seat adopt a detachable connection design, which makes it more convenient and quick when maintenance or replacement is required. Only by unlocking the connection between the matching part and the locking part, the support base and the connecting seat can be easily disassembled for necessary repairs or replacements.

[0034] 4. The locking part includes an insert block, and the mating part is provided with an installation opening for inserting the insert block. The insert block is inserted into the installation opening to realize the connection between the support base and the connecting seat, which can ensure that the connection between the support base and the connecting seat is firm and reliable, not easy to loosen or fall off, thereby improving the stability and safety of the equipment.

[0035] 5. By arranging a friction piece on the surface of the support base, the friction piece is connected to the support base, and the friction piece protrudes away from the support base, the friction between the support base and the ground can be increased, thereby improving the stability of the leisure chair and preventing sliding and tilting. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 This is a schematic diagram of the three-dimensional structure of a foot cover mechanism provided in one embodiment of the present application;

[0037] Figure 2 yes Figure 1 Schematic cross-section of the middle AA;

[0038] Figure 3 This is a schematic diagram of the exploded structure of the foot cover mechanism provided in one embodiment of the present application;

[0039] Figure 4 This is a schematic side structural diagram of a support base provided in one embodiment of the present application;

[0040] Figure 5 yes Figure 1 Schematic cross-section of the middle BB;

[0041] Figure 6 It is a structural schematic diagram of a support base provided in one embodiment of the present application.

[0042] Reference numerals:

[0043] 1. Foot cover mechanism; 2. Friction parts;

[0044] 11. Support base; 12. Connecting seat; 13. Reinforcement assembly; 14. Limiting piece;

[0045] 21. Connecting block; 22. Strip block;

[0046] 111, mating portion; 1111, annular protrusion; 1112, limit block; 1113, mounting opening;

[0047] 122. Locking portion; 123. Connecting portion; 124. Connecting plate;

[0048] 1221, plug; 1222, protrusion; 1241, sleeve;

[0049] 131. Fixing member; 132. Support member; 133. Positioning member. DETAILED DESCRIPTION

[0050] In order to enable those skilled in the art to better understand the technical solutions of the present disclosure, the present disclosure is described in detail, clearly, and completely in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present disclosure and are not intended to limit the present disclosure.

[0051] In the description of this application, if there is a description of first or second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0052] Those skilled in the art should understand that, in the disclosure of this application, the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, which are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the above terms cannot be understood as limiting this application.

[0053] The present application will be described in further detail below with reference to the accompanying drawings. Figures 1 to 6 illustrate.

[0054] Example 1

[0055] The present embodiment provides a foot cover mechanism, which is used in the field of furniture design, specifically, Figures 1 to 6As shown, it includes a foot cover mechanism 1, which can be mounted on the legs of chairs, tables, camp beds, etc. The foot cover mechanism 1 is used to support the legs. The foot cover mechanism 1 is a spherical structure. When the leisure chair is supported on soft ground, the user only needs to install the foot cover mechanism 1 on the legs, and the foot cover mechanism 1 can replace the legs to directly contact the soft ground. The foot cover mechanism 1 can more evenly disperse the force of the leisure chair, reduce the concentration of the force of the leisure chair on the soft ground, reduce the risk of the leisure chair sinking into soft soil and tilting, improve the stability of the leisure chair, improve people's safety and comfort during use, and improve the user experience; when not needed, the foot cover mechanism 1 can be directly pulled out from the legs, and the installation and disassembly procedures are simple. Among them, in this embodiment, the foot cover mechanism 1 includes a support base 11 and a connecting base 12, one end of the connecting base 12 is connected to the support leg, and the other end of the connecting base 12 is connected to the support base 11, and a reinforcement component 13 for installing the support leg is provided on the support base 11. The reinforcement component 13 is connected to the inner wall of the support base 11, and the reinforcement component 13 extends toward the connecting base 12, wherein the support leg fits the inner wall of the reinforcement component 13, and the force of the support leg is evenly transmitted to the foot cover mechanism 1, and the foot cover mechanism 1 is evenly transmitted to the soft ground, so that the support leg is not easy to tilt, and the foot cover mechanism 1 can be disassembled and installed separately, the disassembly procedure is simple, and maintenance or replacement is relatively simple. Among them, the support base 11 can be made of polymer material, and the connecting seat 12 can be made of polymer material; or the support base 11 can be made of composite material, and the connecting seat 12 can be made of polymer material, among which the polymer material can be selected from softer materials such as rubber, silicone and plastic, and the composite material can be selected from harder materials such as carbon fiber composite material, steel and alloy. In terms of manufacturing process, it can be mass-produced, improve production efficiency and reduce costs, and can also effectively ensure that the connecting seat 12 and the support base 11 have sufficient strength to be made into support legs, which are not easily broken by accidental impact, are relatively light, will not add too much weight, and are convenient for moving and placing the leisure chair.

[0056] Further, such as Figures 2 to 3As shown, the connecting seat 12 includes a connecting portion 123 and a connecting plate 124, one end of the connecting portion 123 is fixedly connected to the connecting plate 124, and the other end of the connecting portion 123 is connected to the support base 11. A limit member 14 is provided on the connecting seat 12, and the limit member 14 is vertically connected to the connecting plate 124, that is, the connection angle between the limit member 14 and the connecting plate 124 is 90°, and the limit member 14 extends toward the support base 11. There are multiple limit members 14, and multiple limit members 14 are arranged at intervals. The reinforcement component 13 is at least partially in close contact with the limit member 14. When the support leg is socketed with the foot cover mechanism 1, the support leg applies a certain force to the reinforcement component 13. The reinforcement component 13 will expand in the direction away from the support leg under the force. When the reinforcement component 13 expands to a certain design range, the reinforcement component 13 is in close contact with the limit member 14, which can effectively absorb and disperse the force applied by the support leg, reduce the local pressure on the reinforcement component 13, thereby increasing the stability and supporting capacity of the reinforcement component 13, and extending the service life of the reinforcement component 13. Among them, a sleeve 1241 is provided on the connecting seat 12, and the supporting leg is connected to the connecting seat 12 through the sleeve 1241. The sleeve 1241 can provide a fixed position for the supporting leg, making the connection between the supporting leg and the connecting seat 12 more stable and reducing the possibility of shaking and loosening during use.

[0057] Further, such as Figures 3 to 5 As shown, the reinforcement assembly 13 includes a fixing member 131 and a positioning member 133. The fixing member 131 is an arc-shaped structure. The fixing member 131 is connected to the inner wall of the support base 11 and extends toward the connecting seat 12. The legs are in contact with the inner wall of the fixing member 131. There are multiple fixing members 131, and the multiple fixing members 131 are arranged at intervals. The positioning member 133 is located between two adjacent fixing members 131. The positioning member 133 is fixedly connected to the inner wall of the support base 11 and extends toward the connecting seat 12. The positioning member 133 is flush with the end surface of the fixing member 131. The fixing member 131 is at least partially in close contact with the limiting member 14, and the positioning member 133 is at least partially in close contact with the limiting member 14. The fixing member 131 is used to fix and support the supporting leg, which can effectively prevent the supporting leg from shaking in the supporting base 11, making the supporting leg less likely to tilt, thereby enhancing the supporting capacity of the supporting base 11 for the supporting leg. The limiting member 14 can effectively support the fixing member 131 and the positioning member 133, preventing the fixing member 131 and the positioning member 133 from expanding and deforming significantly when the supporting leg applies force, thereby increasing the stability and supporting capacity of the reinforcement component 13.

[0058] Further, such as Figure 3As shown, the reinforcement assembly 13 also includes a support member 132, the surface of the support member 132 is an arc-shaped structure, and the surface of the support member 132 is concave in the direction away from the connecting seat 12. One end of the support member 132 is fixedly connected to the fixing member 131, and the other end of the support member 132 is connected to the inner wall of the support base 11. The support member 132 is used to support the fixing member 131, wherein at least two support members 132 are connected to the corresponding single fixing member 131, and the two support members 132 are connected to one side of the fixing member 131 at intervals. When the support leg applies force to the fixing member 131, the support member 132 can effectively support the fixing member 131 and prevent the fixing member 131 from undergoing large expansion and deformation. The fixing member 131 can obtain additional support and stability, thereby reducing stress concentration in the force-bearing part, making it less likely for the support leg to tilt, and can also effectively disperse the force transmitted from the support base 11, reducing the risk of deformation and damage of the fixing member 131, and extending the service life of the fixing member 131.

[0059] In this embodiment, if Figures 3 to 6 As shown, a mating portion 111 is provided on one side of the support base 11 close to the connecting base 12, and a locking portion 122 is provided on the connecting base 12, and the locking portion 122 is connected to the connecting portion 123. By setting the mating portion 111 and the locking portion 122, the mating portion 111 cooperates with the locking portion 122 to lock the connection between the support base 11 and the connecting base 12, and the support base 11 and the connecting base 12 adopt a detachable connection design, which makes it more convenient and quick when maintenance or replacement is required. Only by unlocking the connection between the mating portion 111 and the locking portion 122, the support base 11 and the connecting base 12 can be easily disassembled for necessary repairs or replacements.

[0060] Specifically, such as Figure 4 As shown, the matching portion 111 includes an annular protrusion 1111 and a limit block 1112. The annular protrusion 1111 is fixedly connected to the limit block 1112. The annular protrusion 1111 protrudes toward the connecting seat 12. The limit block 1112 is arranged on the side of the annular protrusion 1111 away from the reinforcing component 13. When the foot cover mechanism 1 is in a locked state, the limit block 1112 is fitted with the locking portion 122. The side of the limit block 1112 close to the connecting seat 12 is a slope, which is conducive to a more stable connection between the matching portion 111 and the locking portion 122.

[0061] Further, such as Figure 3As shown, the locking portion 122 includes an insert block 1221, and the matching portion 111 is provided with a mounting opening 1113 for inserting the insert block 1221. The insert block 1221 protrudes toward the center line direction of the connecting seat 12, and the insert block 1221 is snapped into the mounting opening 1113 to achieve the card connection between the support base 11 and the connecting seat 12. There are multiple insert blocks 1221, and the multiple insert blocks 1221 are arranged at intervals. The insert blocks 1221 are correspondingly arranged with the mounting opening 1113. The shape and size of the insert block 1221 and the mounting opening 1113 are consistent, so that the support base 11 and the connecting seat 12 are connected. The installation and disassembly between the base 11 and the connecting base 12 is simple and quick, making assembly and maintenance easier for the user. Furthermore, after the support base 11 and the connecting base 12 are snapped together, they are ultrasonically welded. Ultrasonic welding further enhances the connection strength between the two, ensuring a secure and reliable connection between the support base 11 and the connecting base 12 that is not prone to loosening or falling off. This improves the stability and safety of the device, effectively prevents the penetration of external media, and enhances the sealing of the foot cover mechanism 1. Specifically, protrusions 1222 are provided on both sides of the insert 1221. The two protrusions 1222 protrude toward the centerline of the connecting base 12. The upper surfaces of the protrusions 1222 are inclined. The protrusions 1222 increase the contact area with the mating portion 111, increasing the friction between the locking portion 122 and the mating portion 111, and improving the stability between the support base 11 and the connecting base 12.

[0062] Further, such as Figure 6 As shown, the surface of the support base 11 is provided with a friction member 2. The friction member 2 has a pentagonal structure and is connected to the support base 11. The friction member 2 protrudes in a direction away from the support base 11, which can increase the friction between the support base 11 and the ground, improve the stability of the leisure chair, and prevent sliding and tilting. The friction member 2 includes a connecting block 21 and a strip block 22. One side of the connecting block 21 is connected to the support base 11, and the other side of the connecting block 21 is connected to the strip block 22. There are five connecting blocks 21, corresponding to each side of the pentagonal structure. The strip blocks 22 are arranged corresponding to the connecting blocks 21, making the overall structure of the friction member 2 more stable and balanced, which can improve the grip of the foot cover mechanism 1, improve the contact stability of the legs with the soft ground, and not easily tilt or shake, thereby improving the user's comfort and experience.

[0063] Example 2

[0064] The difference between this embodiment and the first embodiment is that, in this embodiment, a thread is provided on the support base 11, a threaded hole is provided on the connecting base 12, and the support base 11 is threadedly connected to the connecting base 12; or a threaded hole is provided on the support base 11, a thread is provided on the connecting base 12, and the support base 11 is threadedly connected to the connecting base 12. The threaded connection can provide a stronger connecting force, making the connection between the support base 11 and the connecting base 12 more secure, capable of withstanding greater torque and tension, enhancing the stability of the overall structure, and also allowing the connection between the support base 11 and the connecting base 12 to be easily disassembled, convenient for maintenance, replacement or adjustment, thereby improving the maintainability and reliability of the equipment.

[0065] Example 3

[0066] The difference between this embodiment and the first embodiment is that, in this embodiment, the support base 11 and the connecting base 12 are tightly clamped and cannot be disassembled after being clamped, which reduces the risk of the support base 11 and the connecting base 12 being detached during use, increases the connection strength between the support base 11 and the connecting base 12, and enhances the stability of the overall structure.

[0067] The present application has been described in detail above. Specific examples have been used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is intended only to facilitate understanding of the present application and its core concepts. It should be noted that, without departing from the principles of the present application, a number of improvements and modifications may be made to the present application by a person skilled in the art, and such improvements and modifications shall fall within the scope of protection of the claims of the present application.

Claims

1. A foot cover mechanism, characterized in that: The foot cover mechanism (1) comprises a support base (11) and a connecting base (12), one end of the connecting base (12) is sleeved with the supporting leg, and the other end of the connecting base (12) is connected to the support base (11); Wherein, a reinforcing assembly (13) for mounting the legs is provided on the support base (11), the reinforcing assembly (13) is connected to the inner wall of the support base (11), and the reinforcing assembly (13) extends toward the connecting seat (12); The legs are fitted with the inner wall of the reinforcing assembly (13).

2. The foot cover mechanism according to claim 1, characterized in that: The connecting seat (12) is provided with a limiting member (14), the limiting member (14) is connected to the inner wall of the connecting seat (12), the reinforcing assembly (13) is at least partially in close contact with the limiting member (14), and the limiting member (14) is used to limit the reinforcing assembly (13); There are a plurality of the limiting members (14), and the plurality of limiting members (14) are arranged at intervals.

3. The foot cover mechanism according to claim 1, characterized in that: The reinforcing assembly (13) includes a fixing member (131), the fixing member (131) is connected to the inner wall of the supporting base (11), the fixing member (131) extends toward the connecting seat (12), and the supporting legs are in contact with the fixing member (131); There are a plurality of fixing members (131), and the fixing members (131) are arranged at intervals, and the fixing members (131) are arc-shaped structures.

4. The foot cover mechanism according to claim 3, characterized in that: The reinforcing assembly (13) further comprises a support member (132), one end of the support member (132) being connected to the fixing member (131), and the other end being connected to the inner wall of the support base (11), and the support member (132) being used to support the fixing member (131); Wherein, at least two of the supporting members (132) are connected to a corresponding single fixing member (131).

5. The foot cover mechanism according to claim 3, characterized in that: A positioning member (133) is provided between two adjacent fixing members (131), the positioning member (133) is connected to the inner wall of the support base (11), and the positioning member (133) extends toward the connecting seat (12); A limiting member (14) is provided on the connecting seat (12), and the positioning member (133) is at least partially in close contact with the limiting member (14).

6. The foot cover mechanism according to claim 1, characterized in that: The support base (11) is provided with a thread, the connecting base (12) is provided with a threaded hole, and the support base (11) and the connecting base (12) are threadedly connected; or, The support base (11) is provided with a threaded hole, the connecting base (12) is provided with a thread, and the support base (11) and the connecting base (12) are threadedly connected.

7. The foot cover mechanism according to claim 1, characterized in that: A matching portion (111) is provided on one side of the support base (11) close to the connecting base (12), and a locking portion (122) is provided on the connecting base (12), wherein the matching portion (111) cooperates with the locking portion (122) to lock the connection between the support base (11) and the connecting base (12); Wherein, the support base (11) and the connecting seat (12) are detachably connected.

8. The foot cover mechanism according to claim 7, characterized in that: The matching portion (111) comprises an annular protrusion (1111) and a limiting block (1112), the annular protrusion (1111) is connected to the limiting block (1112), and the limiting block (1112) is arranged on a side of the annular protrusion (1111) away from the reinforcing assembly (13); The annular protrusion (1111) protrudes toward the connecting seat (12); when the foot cover mechanism (1) is in a locked state, the limiting block (1112) fits into the locking portion (122).

9. The foot cover mechanism according to claim 8, characterized in that: The locking portion (122) includes an insert block (1221), and the insert block (1221) protrudes toward the center line of the connecting seat (12); The matching portion (111) is provided with an installation opening (1113) for inserting the insert block (1221), and the insert block (1221) is snapped into the installation opening (1113) to achieve snap connection between the support base (11) and the connecting seat (12).

10. The foot cover mechanism according to claim 1, characterized in that: A friction member (2) is provided on the surface of the support base (11), the friction member (2) is connected to the support base (11), and the friction member (2) protrudes in a direction away from the support base (11); The friction member (2) has a pentagonal structure.

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