Foldable pedal stool

Abstract

The utility model provides a foldable pedal stool which comprises a frame assembly, the frame assembly comprises two upper supporting rods arranged oppositely and two lower supporting rods arranged oppositely, and the upper supporting rods and the lower supporting rods are connected through connecting pieces; each lower supporting rod comprises a first supporting leg and a second supporting leg, and the first supporting leg and the second supporting leg are rotationally connected with the connecting piece, so that the first supporting leg and the second supporting leg can move between an unfolding position and a folding position; a seat plate is arranged between the two lower supporting rods in a sliding mode, and the seat plate can move between an unfolding position and a folding position along with the first supporting leg and the second supporting leg.

Description

Technical Field

[0001] The utility model relates to the field of step stools, in particular to a foldable step stool. Background Art

[0002] When an infant reaches the age of one, his physical development has enabled him to stand well on his own and engage in some daily activities. His psychological development will also prompt him to have a strong sense of independence and will require himself to complete certain activities independently, such as brushing his teeth, washing his hands, etc. The washbasins in the bathroom and kitchen sinks at home are designed according to the height of an adult, and the height of a child cannot match these scenarios.

[0003] A step stool is a good solution to this problem. Children can stand on it to complete daily activities such as washing hands and brushing teeth according to their height. However, existing step stools are bulky and difficult to store, taking up a lot of space indoors. In addition, the traditional rear support side is prone to the dangerous situation of the entire folding step stool collapsing due to collision, which brings inconvenience to children.

[0004] Based on this, it is necessary to propose a new step stool, which is not only easy to store but also has a high safety factor when in use. Summary of the Invention

[0005] In order to overcome the deficiencies of the prior art, the utility model provides a foldable step stool, which is easy to store and has a high safety factor when in use.

[0006] The technical solution adopted by the utility model to solve its technical problems is:

[0007] The utility model provides a foldable step stool, comprising a frame assembly, the frame assembly comprising two upper support rods arranged opposite to each other, and two lower support rods arranged opposite to each other, the upper support rods and the lower support rods being connected by a connecting piece; each lower support rod comprises a first support leg and a second support leg, the first support leg and the second support leg being rotatably connected to the connecting piece so that the first support leg and the second support leg can move between an unfolded position and a folded position; a seat plate is slidably arranged between the two lower support rods, and the seat plate can move between the unfolded position and the folded position along with the first support leg and the second support leg.

[0008] As an improvement of the present invention, the connecting member includes two side walls and a top wall laterally arranged on the two side walls. The top walls of the two side walls jointly define a movable space that can accommodate the first support leg and the second support leg. The upper support rod is fixedly connected to the top wall through a fixing member. The first support leg and the second support leg are arranged in the movable space. The first support leg and the second support leg are rotatably connected to the side walls through a rotating assembly.

[0009] As an improvement of the present invention, the rotating assembly includes a first rotating shaft and a second rotating shaft, a first through hole is provided on the first supporting leg, a second through hole is provided on the second supporting leg, and a first mounting hole and a second mounting hole corresponding to the first through hole and the second through hole are provided on both side walls. The first rotating shaft is passed through the first mounting hole and the first through hole, so that the first supporting leg is rotatably connected to the connecting member, and the second rotating shaft is passed through the second mounting hole and the second through hole, so that the second supporting leg is rotatably connected to the connecting member. First bearings are provided on both ends of the first rotating shaft, and the first bearing is located in the first through hole. Second bearings are provided on both ends of the second rotating shaft, and the second bearing is located in the second through hole.

[0010] As an improvement of the present invention, at least one connecting hole is provided at the bottom of the upper support rod, and at least one fixing hole corresponding to the connecting hole is provided on the top wall. The fixing piece is passed through the fixing hole and extends to the connecting hole to fix the upper support rod and the top wall.

[0011] As an improvement of the present invention, a support rod is provided between the first support leg and the second support leg, both ends of the support rod are hinged to the first support leg and the second support leg through a hinge, and the support rod includes a first connecting rod and a second connecting rod, and the first connecting rod and the second connecting rod are hinged to each other through a hinge, so that the first connecting rod and the second connecting rod can move between the unfolded position and the folded position with the first support leg and the second support leg.

[0012] As an improvement of the present invention, a sliding groove is provided on the inner side of the two first support legs, one end of the seat plate can be rotatably connected between the two first support legs, and a sliding buckle is provided on the side wall of the other end of the seat plate, which is slidably set in the sliding groove so that the seat plate has a storage state or a use state. The sliding groove is also provided with a snap-in hole, which is configured to fix the seat plate in the storage state. A fixing rod is provided between the two first support legs and adjacent to the seat plate, and the fixing rod is configured to provide support for the seat plate when the seat plate is in the expanded position.

[0013] As an improvement of the present invention, a guardrail is provided between the two upper support rods to prevent children from falling from the step stool. The guardrail is rotatably connected to the upper support rods by a rotating member so that the guardrail can be rotated to an expanded state or a retracted state. The upper support rods also have a locking member for keeping the guardrail in the expanded state or the retracted state.

[0014] As an improvement of the present invention, it is characterized in that a pin hole is provided on the upper support rod, a fixing block is connected to the guardrail, the fixing block includes a connecting portion, and a locking portion arranged to intersect with the connecting portion, a first plug-in hole is provided on the locking portion, a locking piece passes through the pin hole and the first plug-in hole and extends outward, a locking buckle is provided at the end of the locking piece, the locking buckle is used to fix the locking piece in the pin hole and the first plug-in hole, so that the guardrail remains in the expanded state, and a second plug-in hole is also provided on the guardrail. When the guardrail is in the folded state, the locking piece can be passed through the pin hole and extend to the second plug-in hole to keep the guardrail in the storage position.

[0015] As an improvement of the present invention, the guardrail includes a first fence part and a second fence part, and the first fence part and the second fence part are surrounded to form a safety space to prevent children from falling. The second fence part includes a first flexible strap and a second flexible strap, and the first flexible strap and the second flexible strap are detachably connected, wherein the first flexible strap is provided with a buckle, and the second flexible strap is provided with a slot adapted to the buckle, and the buckle and the slot have a connected state and a separated state. When the buckle and the slot are in the connected state, the first flexible strap and the second flexible strap are connected, and the guardrail has a safety space to prevent children from falling; when the buckle and the slot are in the separated state, the first flexible strap and the second flexible strap are disconnected, thereby allowing children to enter or leave the guardrail.

[0016] As an improvement of the present invention, a flexible back pad is detachably connected between the upper support rod and the lower support rod, a first hanging part is provided at the lower ends of both sides of the guardrail, and a second hanging part is provided on the lower support rod. The upper and lower ends of the flexible back pad are both connected to the first hanging part and the second hanging part by Velcro. A pedal is also provided between the two lower support rods. The pedal is located under the seat plate to assist children in sitting on the seat plate.

[0017] The beneficial effects of the present invention are as follows: the present invention provides a foldable step stool, comprising a frame assembly, the frame assembly comprising two upper support rods disposed oppositely and two lower support rods disposed oppositely, the upper support rods and the lower support rods being connected by a connecting member; each lower support rod comprising a first support leg and a second support leg, the first support leg and the second support leg being rotatably connected to the connecting member so as to enable the first support leg and the second support leg to move between an unfolded position and a folded position; a seat plate is slidably disposed between the two lower support rods, and the seat plate can move with the first support leg and the second support leg between an unfolded position and a folded position. The step stool is not only easy to store but also has a high safety factor during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. The drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the folded overall structure of the utility model;

[0022] Figure 3 It is a schematic diagram of the explosion structure of the connection between the upper support rod and the lower support rod;

[0023] Figure 4 It is a schematic diagram of the exploded structure of the connection between the upper support rod, the first support leg and the second support leg;

[0024] Figure 5 It is a structural diagram of the support rod and the slide groove on the first support leg;

[0025] Figure 6 It is a structural diagram of the seat plate;

[0026] Figure 7 It is a structural diagram of the guardrail;

[0027] Figure 8 yes Figure 4 Schematic diagram of the enlarged structure at A in the middle;

[0028] Figure 9 yes Figure 2 Schematic diagram of the explosion structure at point I;

[0029] Figure 10 Schematic diagram of the exploded structure of the connection between the upper support rod and the guardrail;

[0030] Figure 11 This is a schematic diagram of the exploded structure of the guardrail;

[0031] Figure 12 It is a structural diagram of the flexible back pad and pedal.

[0032] In the picture:

[0033] 100. Step stool;

[0034] 1000, frame assembly; 1001, upper support rod; 1101, connecting hole; 1002, lower support rod; 1201, first support leg; 1202, second support leg; 1203, fixing member; 1204, first through hole; 1200, second through hole; 1205, connecting hole; 1206, slide groove; 1207, snap-fit ​​hole; 1208, fixing rod; 1209, pin hole; 1210, second hanging portion; 1003, support rod; 1004, hinge; 1301, first connecting rod; 1302, second connecting rod;

[0035] 2000, connector; 2001, side wall; 2002, top wall; 2003, movable space; 2004, rotating assembly; 2101, first rotating shaft; 2102, second rotating shaft; 2103, first bearing; 2104, second bearing; 2201, first mounting hole; 2202, second mounting hole; 2005, fixing hole;

[0036] 3000, seat plate; 3001, slide buckle;

[0037] 4000, guardrail; 4001, rotating member; 4002, locking member; 4003, fixing block; 4101, connecting portion; 4102, locking portion; 4103, first insertion hole; 4104, locking buckle; 4105, second insertion hole; 4004, first fence portion; 4005, second fence portion; 4201, first flexible binding strap; 4202, second flexible binding strap; 4203, buckle; 4204, slot; 4006, first hanging portion;

[0038] 5000, flexible back pad; 5001, Velcro; 5002, pedal. DETAILED DESCRIPTION

[0039] A foldable step stool 100, such as Figure 1 and Figure 2 As shown, it includes a frame assembly 1000, which includes two upper support rods 1001 arranged opposite to each other, and two lower support rods 1002 arranged opposite to each other, and the upper support rods 1001 and the lower support rods 1002 are connected by a connecting piece 2000; each lower support rod 1002 includes a first support leg 1201 and a second support leg 1202, and the first support leg 1201 and the second support leg 1202 are rotatably connected to the connecting piece 2000, so that the first support leg 1201 and the second support leg 1202 can move between the unfolded position and the folded position; a seat plate 3000 is slidably arranged between the two lower support rods 1002, and the seat plate 3000 can move between the unfolded position and the folded position with the first support leg 1201 and the second support leg 1202, so that the user can easily carry and store it.

[0040] In this embodiment, if Figure 3 As shown, the connecting member 2000 includes two side walls 2001 and a top wall 2002 disposed transversely to the side walls 2001. The top walls 2002 of the two side walls 2001 together define a movable space 2003 that can accommodate the first support leg 1201 and the second support leg 1202. The upper support rod 1001 is fixedly connected to the top wall 2002 via a fixing member 1203. The first support leg 1201 and the second support leg 1202 are disposed within the movable space 2003. The first support leg 1201 and the second support leg 1202 are rotatably connected to the side walls 2001 via a rotating assembly 2004. The movable space 2003 defined by the top wall 2002 and the side walls 2001 provides sufficient space for the support legs to fold and unfold, making the step stool smoother when folding and unfolding. Furthermore, the first support leg 1201 and the second support leg 1202 are rotatably connected to the side wall 2001 via the rotating assembly 2004, so that the support legs can be flexibly moved between the unfolded position and the folded position, thereby increasing the convenience of use.

[0041] In this embodiment, if Figure 4 As shown, the rotating assembly 2004 includes a first rotating shaft 2101 and a second rotating shaft 2102, a first through hole 1204 is provided on the first supporting leg 1201, and a second through hole 1200 is provided on the second supporting leg 1202. The two side walls 2001 are provided with a first mounting hole 2201 and a second mounting hole 2202 corresponding to the first through hole 1204 and the second through hole 1200. The first rotating shaft 2101 is passed through the first mounting hole 2201 and the first through hole 1204, so that the first The support leg 1201 is rotatably connected to the connecting member 2000. The second rotating shaft 2102 is disposed through the second mounting hole 2202 and the second through hole 1200, rotatably connecting the second support leg 1202 to the connecting member 2000. First bearings 2103 are sleeved on both ends of the first rotating shaft 2101, and the first bearings 2103 are located in the first through hole 1204. Second bearings 2104 are sleeved on both ends of the second rotating shaft 2102, and the second bearings 2104 are located in the second through hole 1200. The first bearings 2103 and the second bearings 2104 provide smooth rotation, reduce friction and wear, and extend the service life of the step stool 100.

[0042] In this embodiment, if Figure 4 As shown, at least one connection hole 1205 is provided at the bottom of the upper support rod 1001, and at least one fixing hole 2005 corresponding to the connection hole 1205 is provided on the top wall 2002. The fixing member 1203 is passed through the fixing hole 2005 and extends to the connection hole 1205 to securely connect the upper support rod 1001 and the top wall 2002. This can effectively enhance the stability of the structure and prevent loosening or displacement.

[0043] In this embodiment, if Figure 5 As shown, a support rod 1003 is provided between the first support leg 1201 and the second support leg 1202. Both ends of the support rod 1003 are hingedly connected to the first support leg 1201 and the second support leg 1202 via hinges 1004. The support rod 1003 also includes a first connecting rod 1301 and a second connecting rod 1302. The first connecting rod 1301 and the second connecting rod 1302 are hingedly connected to each other via hinges 1004, allowing the first connecting rod 1301 and the second connecting rod 1302 to move between an unfolded position and a folded position along with the first support leg 1201 and the second support leg 1202. The first connecting rod 1301 and the second connecting rod 1302 are hingedly connected via hinges 1004, allowing them to adjust their positions along with the movement of the first support leg 1201 and the second support leg 1202, thereby increasing the flexibility and adaptability of the structure and making it suitable for different usage scenarios.

[0044] In this embodiment, if Figure 5 and Figure 6 As shown, a slide groove 1206 is provided on the inner side of the two first support legs 1201, and one end of the seat plate 3000 can be rotatably connected between the two first support legs 1201. A slide buckle 3001 is provided on the side wall of the other end of the seat plate 3000. The slide buckle 3001 is slidably set in the slide groove 1206, so that the seat plate 3000 has a storage state or a use state. A snap hole 1207 is also provided on the slide groove 1206, and the snap hole 1207 is configured to fix the seat plate 3000 in the storage state. A fixing rod 1208 is provided between the two first support legs 1201 and adjacent to the seat plate 3000. The fixing rod 1208 is configured to provide support for the seat plate 3000 when the seat plate 3000 is in the expanded position. By providing a slide groove 1206 on the inner side of the second support leg 1202 and a slider 3001 at one end of the seat panel 3000, the seat panel can slide within the slide groove, thereby achieving a transition between the stowed and usable positions, making operation more convenient for the user. When the seat panel 3000 is in the unfolded position, the fixing rod 1208 provides additional support, ensuring that the seat panel does not sag or deform during use, thereby improving safety and comfort.

[0045] In this embodiment, if Figure 7As shown, a guardrail 4000 is provided between the two upper support bars 1001 to prevent children from falling from the step stool 100. The guardrail 4000 is rotatably connected to the upper support bars 1001 via a rotating member 4001, allowing the guardrail 4000 to be rotated between an extended and a stowed state. The upper support bars 1001 also have a locking member 4002 for maintaining the guardrail 4000 in either the extended or stowed state. The guardrail 4000 effectively prevents children from falling from the step stool 100, providing additional safety. Furthermore, the guardrail 4000 is connected to the upper support bars 1001 via the rotating member 4001 and can be rotated between the extended and stowed states as needed, making it easy to use and highly flexible. The locking member 4002 secures the guardrail 4000 in either the extended or stowed state, ensuring that it does not accidentally move or become loose during use, making the step stool 100 more compact and convenient for storage and portability.

[0046] In this embodiment, if Figures 7 to 9 As shown, the upper support rod 1001 is provided with a pin hole 1209, and the guardrail 4000 is connected to a fixing block 4003. The fixing block 4003 includes a connecting portion 4101 and a locking portion 4102 intersecting the connecting portion. The locking portion 4102 has a first insertion hole 4103. The locking member 4002 extends through the pin hole 1209 and the first insertion hole 4103 and extends outward. The end of the locking member 4002 is provided with a locking buckle 4104, which is used to secure the locking member 4002 in the pin hole 1209 and the first insertion hole 4103, thereby maintaining the guardrail 4000 in the deployed state. This ensures that the guardrail 4000 provides reliable protection in the deployed state, while not occupying additional space in the stowed state, maintaining a compact and stable structure.

[0047] In this embodiment, if Figure 10 As shown, a second plug-in hole 4105 is also provided on the guardrail 4000. When the guardrail 4000 is in a folded state, the locking member 4002 can be passed through the pin hole 1209 and extend into the second plug-in hole 4105 to keep the guardrail 4000 in the storage position.

[0048] In this embodiment, if Figure 11As shown, the guardrail 4000 includes a first fence portion 4004 and a second fence portion 4005. The first fence portion 4004 and the second fence portion 4005 surround and form a safety space for preventing children from falling. The second fence portion 4005 includes a first flexible strap 4201 and a second flexible strap 4202. The first flexible strap 4201 and the second flexible strap 4202 are detachably connected. The first flexible strap 4201 is provided with a buckle 4203, and the second flexible strap 4202 is provided with a buckle Buckle 4203 fits into slot 4204, and buckle 4203 and slot 4204 can be connected and disconnected. When buckle 4203 and slot 4204 are connected, first flexible strap 4201 and second flexible strap 4202 are connected, and guardrail 4000 provides a safe space to prevent children from falling. When buckle 4203 and slot 4204 are disconnected, first flexible strap 4201 and second flexible strap 4202 are disconnected, allowing children to enter or exit guardrail 4000. Buckle 4203 and slot 4204 are detachably connected, allowing the guardrail to be easily assembled and disassembled as needed, making it convenient for children to enter and exit.

[0049] In this embodiment, if Figure 12 As shown, a flexible back pad 5000 is detachably connected between the upper support rod 1001 and the lower support rod 1002. A first hanging portion 4006 is provided at the lower end of each side of the guardrail 4000, and a second hanging portion 1210 is provided on the lower support rod 1002. The upper and lower ends of the flexible back pad 5000 are both connected to the first hanging portion 4006 and the second hanging portion 1210 via Velcro 5001. A pedal 5002 is also provided between the two lower support rods 1002. The pedal 5002 is located below the seat plate 3000 to assist children in sitting on the seat plate 3000. The flexible back pad 5000 provides additional back support and comfort for the user, especially for children, and can better protect their backs. The flexible back pad 5000 is connected to the first hanging portion 4006 and the second hanging portion 1210 via Velcro, making it easy to remove and clean the back pad, maintaining hygiene. In addition, the pedal 5002 is located below the seat 3000, which can help children sit on the seat 3000 more easily, thereby improving the convenience of use.

[0050] The above descriptions provide one or more embodiments in conjunction with the specific content, and do not limit the specific implementation of the present invention to these descriptions. Any similarity or similarity with the methods, structures, etc. of the present invention, or any technical deduction or substitution based on the concept of the present invention, shall be deemed to be within the scope of protection of the present invention.

Claims

1. A foldable step stool (100), characterized in that: include A frame assembly (1000), the frame assembly (1000) comprising two upper support rods (1001) disposed opposite to each other, and two lower support rods (1002) disposed opposite to each other, wherein the upper support rods (1001) and the lower support rods (1002) are connected via a connecting piece (2000); Each of the lower support rods (1002) comprises a first support leg (1201) and a second support leg (1202), wherein the first support leg (1201) and the second support leg (1202) are rotatably connected to the connecting member (2000), so that the first support leg (1201) and the second support leg (1202) can move between an unfolded position and a folded position; A seat plate (3000) is slidably arranged between the two lower support rods (1002), and the seat plate (3000) can move between an unfolded position and a folded position along with the first support leg (1201) and the second support leg (1202).

2. A foldable step stool (100) according to claim 1, characterized in that: The connecting member (2000) includes two side walls (2001) and a top wall (2002) arranged transversely on the two side walls (2001); the top walls (2002) of the two side walls (2001) jointly define an activity space (2003) that can accommodate the first supporting leg (1201) and the second supporting leg (1202); the upper support rod (1001) is fixedly connected to the top wall (2002) via a fixing member (1203); the first supporting leg (1201) and the second supporting leg (1202) are arranged in the activity space (2003); and the first supporting leg (1201) and the second supporting leg (1202) are rotatably connected to the side walls (2001) via a rotating assembly (2004).

3. A foldable step stool (100) according to claim 2, characterized in that: The rotating assembly (2004) comprises a first rotating shaft (2101) and a second rotating shaft (2102); a first through hole (1204) is provided on the first supporting leg (1201); a second through hole (1200) is provided on the second supporting leg (1202); a first mounting hole (2201) and a second mounting hole (2202) corresponding to the first through hole (1204) and the second through hole (1200) are provided on both side walls (2001); the first rotating shaft (2101) is passed through the first mounting hole (2201) and the first through hole (1204), so that the first supporting leg ( 1201) is rotatably connected to the connecting member (2000), the second rotating shaft (2102) is inserted into the second mounting hole (2202) and the second through hole (1200), so that the second supporting leg (1202) is rotatably connected to the connecting member (2000), both ends of the first rotating shaft (2101) are sleeved with first bearings (2103), the first bearings (2103) are located in the first through hole (1204), and both ends of the second rotating shaft (2102) are sleeved with second bearings (2104), the second bearings (2104) are located in the second through hole (1200).

4. A foldable step stool (100) according to claim 3, characterized in that: At least one connecting hole (1205) is provided at the bottom of the upper support rod (1001), and at least one fixing hole (2005) corresponding to the connecting hole (1205) is provided on the top wall (2002). The fixing member (1203) is passed through the fixing hole (2005) and extends to the connecting hole (1205) to fix the upper support rod (1001) and the top wall (2002) in connection.

5. A foldable step stool (100) according to claim 4, characterized in that: A support rod (1003) is provided between the first supporting leg (1201) and the second supporting leg (1202), and both ends of the support rod (1003) are hinged to the first supporting leg (1201) and the second supporting leg (1202) through a hinge (1004), and the support rod (1003) includes a first connecting rod (1301) and a second connecting rod (1302), and the first connecting rod (1301) and the second connecting rod (1302) are hinged to each other through the hinge (1004), so that the first connecting rod (1301) and the second connecting rod (1302) can move between an unfolded position and a folded position along with the first supporting leg (1201) and the second supporting leg (1202).

6. A foldable step stool (100) according to claim 5, characterized in that: The inner sides of the two first support legs (1201) are each provided with a slide groove (1206), one end of the seat plate (3000) can be rotatably connected between the two first support legs (1201), and a slide buckle (3001) is provided on the side wall of the other end of the seat plate (3000), and the slide buckle (3001) is slidably set in the slide groove (1206) so that the seat plate (3000) has a storage state or a use state, and the slide groove (1206) is also provided with a snap-in hole (1207), and the snap-in hole (1207) is configured to fix the seat plate (3000) in the storage state, and a fixing rod (1208) is provided between the two first support legs (1201) and adjacent to the seat plate (3000), and the fixing rod (1208) is configured to provide support for the seat plate (3000) when the seat plate (3000) is in the expanded position.

7. The foldable step stool (100) according to claim 1, characterized in that: A guardrail (4000) is provided between the two upper support rods (1001) for preventing children from falling from the step stool (100). The guardrail (4000) is rotatably connected to the upper support rods (1001) via a rotating member (4001), so that the guardrail (4000) can be rotated to an expanded state or a retracted state. The upper support rods (1001) also have a locking member (4002) for keeping the guardrail (4000) in the expanded state or the retracted state.

8. A foldable step stool (100) according to claim 7, characterized in that: The upper support rod (1001) is provided with a pin hole (1209), the guardrail (4000) is connected to a fixing block (4003), the fixing block (4003) includes a connecting portion (4101), and a locking portion (4102) intersecting with the connecting portion, the locking portion (4102) is provided with a first plug hole (4103), the locking member (4002) passes through the pin hole (1209) and the first plug hole (4103) and extends outward, the end of the locking member (4002) is provided with a locking buckle (41 04), the locking buckle (4104) is used to fix the locking member (4002) in the pin hole (1209) and the first plug hole (4103), so that the guardrail (4000) is kept in the unfolded state, and a second plug hole (4105) is also provided on the guardrail (4000). When the guardrail (4000) is in the folded state, the locking member (4002) can be passed through the pin hole (1209) and extend to the second plug hole (4105) to keep the guardrail (4000) in the storage position.

9. A foldable step stool (100) according to claim 8, characterized in that: The guardrail (4000) comprises a first fence portion (4004) and a second fence portion (4005), wherein the first fence portion (4004) and the second fence portion (4005) surround and form a safety space for preventing children from falling, and the second fence portion (4005) comprises a first flexible strap (4201) and a second flexible strap (4202), wherein the first flexible strap (4201) and the second flexible strap (4202) are detachably connected, wherein the first flexible strap (4201) is provided with a buckle (4203), and the second flexible strap (4202) is provided with the buckle (4203). ) is adapted to have a card slot (4204), and the buckle (4203) and the card slot (4204) have a connected state and a separated state. When the buckle (4203) and the card slot (4204) are in the connected state, the first flexible strap (4201) and the second flexible strap (4202) are connected, and the guardrail (4000) has a safety space to prevent children from falling; when the buckle (4203) and the card slot (4204) are in the separated state, the first flexible strap (4201) and the second flexible strap (4202) are disconnected, thereby allowing children to enter or leave the guardrail (4000).

10. A foldable step stool (100) according to claim 9, characterized in that: A flexible back pad (5000) is detachably connected between the upper support rod (1001) and the lower support rod (1002); a first hanging portion (4006) is provided at the lower ends of both sides of the guardrail (4000); a second hanging portion (1210) is provided on the lower support rod (1002); the upper end and the lower end of the flexible back pad (5000) are both connected to the first hanging portion (4006) and the second hanging portion (1210) by Velcro (5001); a pedal (5002) is further provided between the two lower support rods (1002); the pedal (5002) is located below the seat plate (3000) to assist children in sitting on the seat plate (3000).

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