Step stool

Abstract

The utility model discloses a step chair belongs to the technical field of ladder stool, install first support piece to the first rear connecting seat of first pedal with first fastener, install second support piece to the first front connecting seat of first pedal with second fastener, install second support piece to the second rear connecting seat of second pedal with third fastener, install third support piece to the second front connecting seat of second pedal with fourth fastener, can complete the assembly of step chair, because the structure of all fastener is identical, need not the user to distinguish the type of fastener, help to simplify the assembly process of step chair, make step chair assembly more convenient.

Description

Technical Field

[0001] This utility model relates to the field of step stool technology, and in particular to a step stool. Background Technology

[0002] A step stool is a tool that assists users with mobility impairments in reaching higher objects, traversing steep steps, increasing operational height, or providing temporary rest. Currently, step stools typically feature multiple steps arranged in a tiered manner, with armrests on one side of each step for support. For ease of transport, step stools are usually packaged in multiple parts, requiring users to assemble them themselves upon receipt. However, the numerous types of parts in existing step stools make assembly complex and inconvenient for users to do themselves. Utility Model Content

[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a step stool in which all fasteners have a consistent structure, eliminating the need for users to distinguish between different types of fasteners, thus simplifying the assembly process and making step stool assembly more convenient.

[0004] The step chair according to an embodiment of the present utility model includes:

[0005] The first pedal has a first front connecting seat and a first rear connecting seat on its front and rear sides, respectively.

[0006] The second pedal has a second front connecting seat and a second rear connecting seat on its front and rear sides, respectively.

[0007] First support component;

[0008] Second support component;

[0009] Third support component;

[0010] Multiple fasteners, at least one of the fasteners being detachably connected to the first rear connecting seat and the first support member, at least one of the fasteners being detachably connected to the first front connecting seat and the second support member, at least one of the fasteners being detachably connected to the second rear connecting seat and the second support member, and at least one of the fasteners being detachably connected to the second front connecting seat and the third support member;

[0011] The first pedal and the second pedal are offset in the front-to-back direction and in the up-down direction.

[0012] The step chair according to the present invention has at least the following beneficial effects: by using a first fastener to install a first support member to a first rear connecting seat of a first pedal, using a second fastener to install a second support member to a first front connecting seat of a first pedal, using a third fastener to install a second support member to a second rear connecting seat of a second pedal, and using a fourth fastener to install a third support member to a second front connecting seat of a second pedal, the assembly of the step chair can be completed. Since all the fasteners have the same structure, the user does not need to distinguish the type of fastener, which helps to simplify the assembly process of the step chair and make the assembly of the step chair more convenient.

[0013] According to some embodiments of the present invention, the first rear connecting seat cooperates with the first support member, the first front connecting seat and the second rear connecting seat cooperate with the second support member, and the second front connecting seat cooperates with the third support member.

[0014] According to some embodiments of the present invention, the side wall of the first rear connecting seat is provided with a first rear connecting hole, the side wall of the first front connecting seat is provided with a first front connecting hole, the side wall of the second rear connecting seat is provided with a second rear connecting hole, and the side wall of the second front connecting seat is provided with a second front connecting hole. The first rear connecting hole, the first front connecting hole, the second rear connecting hole, and the second front connecting hole are used to install the fastener.

[0015] According to some embodiments of the present invention, the first rear connecting hole and the first front connecting hole face downwards from the center of the first pedal, and the second rear connecting hole and the second front connecting hole face downwards from the center of the second pedal.

[0016] According to some embodiments of the present invention, the first pedal and the second pedal have the same structure, and the first front connecting seat and the first rear connecting seat are arranged in a mirror-symmetrical manner.

[0017] According to some embodiments of the present invention, the first pedal includes:

[0018] First plate;

[0019] The first frame surrounds the first plate body around its circumference and is connected to the bottom of the first plate body. The first front connecting seat and the first rear connecting seat are respectively located on the front and rear sides of the first frame.

[0020] According to some embodiments of the present invention, two of the first support member, the second support member, and the third support member are respectively provided with a front support rod and a rear support rod, and the step stool further includes:

[0021] The handrail is detachably connected to the front support rod and the rear support rod.

[0022] According to some embodiments of the present invention, the armrest is provided with a front connecting rod and a rear connecting rod, the front connecting rod being slidably connected to the front support rod, and the rear connecting rod being slidably connected to the rear support rod; the step stool further includes:

[0023] Two connectors are provided, one of which is detachably connected to the front connecting rod and the front support rod, and the other connector is detachably connected to the rear connecting rod and the rear support rod.

[0024] According to some embodiments of the present invention, the rear connecting rod is provided with a plurality of rear threaded holes spaced vertically apart, the front connecting rod is provided with a plurality of front threaded holes spaced vertically apart, one of the connecting members mates with any one of the rear threaded holes, and the other connecting member mates with any one of the front threaded holes.

[0025] According to some embodiments of the present invention, each of the fasteners is provided with a knob. Attached Figure Description

[0026] Figure 1 This is a structural schematic diagram of the step chair according to the first embodiment of this utility model;

[0027] Figure 2 This is a structural schematic diagram of the step chair according to the first embodiment of this utility model from another angle;

[0028] Figure 3 This is an exploded view of the step chair according to the first embodiment of this utility model;

[0029] Figure 4 This is a schematic diagram of the structure of the step chair according to the second embodiment of this utility model;

[0030] Figure 5 This is a structural schematic diagram of the step chair according to the second embodiment of the present invention from another angle;

[0031] Figure 6 This is a schematic diagram of the fastener structure in one embodiment of the present invention;

[0032] Figure 7 This is a schematic diagram of the structure of the first pedal in one embodiment of the present invention;

[0033] Figure 8 This is a schematic diagram of the structure of the second pedal in one embodiment of the present invention.

[0034] Reference numerals: First pedal 100, first plate 101, first frame 102, first front connecting seat 110, first front connecting hole 111, first rear connecting seat 120, first rear connecting hole 121, second pedal 200, second plate 201, second frame 202, second front connecting seat 210, second front connecting hole 211, second rear connecting seat 220, second rear connecting hole 221, first support 300, second support 400, third support 500, fastener 600, knob 610, screw 620, front support rod 700, rear support rod 800, handrail 900, front connecting rod 910, front screw hole 911, rear connecting rod 920, rear screw hole 921, connector 930. Detailed Implementation

[0035] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0036] In the description of this utility model, it should be understood that the terms front, back, up, down, axial, circumferential, etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0037] In the description of this utility model, "multiple" means two or more; "greater than," "less than," and "exceeding" are understood to exclude the stated number; "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly specifying the number of indicated technical features or their sequential relationship.

[0038] In the description of this utility model, it should be noted that terms such as "setting," "installing," and "connecting" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0039] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are some embodiments of this utility model, not all embodiments.

[0040] Reference Figures 1 to 8 As shown, this utility model provides a step chair.

[0041] Reference Figures 1 to 3 The first embodiment of the step chair of this utility model is shown.

[0042] The step chair includes a first footboard 100, a second footboard 200, two first support members 300, two second support members 400, two third support members 500, eight fasteners 600, a front support rod 700, a rear support rod 800, armrests 900, and two connectors 930.

[0043] Reference Figure 7 As shown, the first pedal 100 includes a first plate 101 and a first frame 102. The top of the first plate 101 has multiple anti-slip grooves, which form multiple rhombuses on the top surface of the first plate 101. The first plate 101 is rectangular in shape, and notches are provided at its four corners. The first frame 102 consists of four first connecting rods, two first front connecting seats 110, and two first rear connecting seats 120. The two first front connecting seats 110 are arranged opposite each other, with the two first front connecting seats 110 positioned left-right. The two first rear connecting seats 120 are arranged in a mirror-symmetrical configuration on the right and left sides, and the two first front connecting seats 110 and the two first rear connecting seats 120 are arranged in a mirror-symmetrical configuration on the front and back. The two first front connecting seats 110 and the two first rear connecting seats 120 are respectively located at the notches at the four corners of the first plate 101. The four first connecting rods connect the two first front connecting seats 110 and the two first rear connecting seats 120 together to form a rectangular first frame 102.

[0044] Each first front connector 110 is provided with a first front mounting hole that extends in the vertical direction and is located at the notch of the first plate 101. Each first rear connector 120 is provided with a first rear mounting hole that extends in the vertical direction and is located at the notch of the first plate 101.

[0045] Each first front connector 110 has a first front connector hole 111 on its side wall, which connects the first front mounting hole to the outside. The first front connector hole 111 is located on the side wall of the first front connector 110 facing the center of the first plate 101 below. Each first rear connector 120 has a first rear connector hole 121 on its side wall, which connects the first rear mounting hole to the outside. The first rear connector hole 121 is located on the side wall of the first rear connector 120 facing the center of the first plate 101 below.

[0046] Reference Figure 8 As shown, the structure of the second pedal 200 is completely identical to that of the first pedal 100, and the first pedal 100 and the second pedal 200 can be used interchangeably.

[0047] Specifically, the second pedal 200 includes a second plate 201 and a second frame 202. The top of the second plate 201 has multiple anti-slip grooves, which form multiple rhombuses on the top surface of the second plate 201. The second plate 201 is rectangular in shape, and notches are provided at its four corners. The second frame 202 consists of four second connecting rods, two second front connecting seats 210, and two second rear connecting seats 220. The two second front connecting seats 210 are arranged opposite each other. The two second rear connecting seats 220 are arranged in a mirror-symmetrical configuration, with the two second front connecting seats 210 and the two second rear connecting seats 220 arranged in a mirror-symmetrical configuration. The two second front connecting seats 210 and the two second rear connecting seats 220 are respectively located at the notches at the four corners of the second plate 201. The four second connecting rods connect the two second front connecting seats 210 and the two second rear connecting seats 220 together to form a rectangular second frame 202.

[0048] Each second front connector 210 is provided with a second front mounting hole that extends through the vertical direction and is located at the notch of the second plate 201. Each second rear connector 220 is provided with a second rear mounting hole that extends through the vertical direction and is located at the notch of the second plate 201.

[0049] Each second front connector 210 has a second front connector hole 211 on its side wall. The second front connector hole 211 connects the second front mounting hole to the outside. The second front connector hole 211 is located on the side wall of the second front connector 210 facing the center below the second plate 201. Each second rear connector 220 has a second rear connector hole 221 on its side wall. The second rear connector hole 221 connects the second rear mounting hole to the outside. The second rear connector hole 221 is located on the side wall of the second rear connector 220 facing the center below the second plate 201.

[0050] Reference Figure 6 As shown, the fastener 600 includes a knob 610 and a screw 620. One end of the screw 620 is connected to the knob 610. By rotating the knob 610, the screw 620 can be rotated, so that the user can turn the knob 610 by hand.

[0051] Reference Figures 1 to 3 As shown, two first support members 300 are inserted into the first rear mounting holes of two first rear connecting seats 120. Each first support member 300 has a first screw hole on its side wall. The position of the first screw hole corresponds to the position of the first rear connecting hole 121. Fasteners 600 pass through the first rear connecting hole 121 and are screwed into the first screw hole. Fasteners 600 connect the first support member 300 and the first rear connecting seat 120. That is, the first pair of fasteners 600 connect the two first support members 300 and the two first rear connecting seats 120 respectively.

[0052] In this embodiment, a rear support rod 800 is provided on the top of the first support member 300 on the right side. The rear support rod 800 is integrally formed with the first support member 300 on the right side. The rear support rod 800 extends through the first rear mounting hole and extends above the first pedal 100. A rear through hole is provided on the left side wall of the rear support rod 800, and a rear insertion hole is provided on the top of the rear support rod 800.

[0053] Reference Figures 1 to 3 As shown, the second support member 400 is inserted sequentially from bottom to top into the first front mounting hole of the first front connecting seat 110 and the second rear mounting hole of the second rear connecting seat 220. The two second support members 400 are inserted one-to-one into the two first front mounting holes and the two second rear mounting holes. Each second support member 400 has a second upper screw hole and a second lower screw hole on its side wall. The height of the second upper screw hole is higher than the height of the second lower screw hole. The bottom ends of the two second support members 400 are flush with the bottom ends of the two first support members 300. The position of the second lower screw hole is aligned with the first front connecting hole. The positions of the two fasteners 111 and 221 correspond to the positions of the two upper screw holes. Two fasteners 600 pass through the two first front screw holes 111 and are screwed into the two lower screw holes. That is, the second pair of fasteners 600 connects the two second support members 400 and the two first front connecting seats 110 respectively. The other two fasteners 600 pass through the two second rear screw holes 221 and are screwed into the two upper screw holes. That is, the third pair of fasteners 600 connects the two second support members 400 and the two second rear connecting seats 220 respectively.

[0054] Reference Figures 1 to 3 As shown, two third support members 500 are inserted into the second front mounting holes of the two second front connecting seats 210. Each third support member 500 has a third screw hole on its side wall. The position of the third screw hole corresponds to the position of the second front connecting hole 211. The bottom end of the third support member 500 is flush with the bottom end of the second support member 400. The fastener 600 passes through the second front connecting hole 211 and is screwed into the third screw hole. The fastener 600 connects the third support member 500 and the second front connecting seat 210. That is, the fourth pair of fasteners 600 connects the two third support members 500 and the two second front connecting seats 210 respectively.

[0055] In this embodiment, a front support rod 700 is provided on the top of the third support member 500 on the right side. The front support rod 700 is integrally formed with the third support member 500 on the right side. The front support rod 700 extends through the second front mounting hole and extends above the second pedal 200. A front through hole is provided on the left side wall of the front support rod 700, and a front insertion hole is provided on the top of the front support rod 700.

[0056] Based on the above structure, it can be understood that the height of the second pedal 200 is higher than that of the first pedal 100, and the second pedal 200 is located in front of and above the first pedal 100, so that the first pedal 100 and the second pedal 200 form a two-stage step structure.

[0057] Reference Figures 1 to 3 As shown, the handrail 900 includes a front connecting rod 910, a rear connecting rod 920, a diagonal brace, and a crossbar. The front connecting rod 910 is arranged in the vertical direction, and the rear connecting rod 920 is arranged in the vertical direction. The length of the front connecting rod 910 is greater than the length of the rear connecting rod 920. The top end of the front connecting rod 910 is connected to the front end of the crossbar, the rear end of the crossbar is connected to the top end of the diagonal brace, and the bottom end of the diagonal brace is connected to the top end of the rear connecting rod 920. The upper section of the front connecting rod 910, the crossbar, and the upper section of the diagonal brace are covered with soft padding.

[0058] The left side wall of the front connecting rod 910 is provided with multiple front screw holes 911 evenly distributed in the vertical direction, and the left side wall of the rear connecting rod 920 is provided with multiple rear screw holes 921 evenly distributed in the vertical direction. The distance between two adjacent front screw holes 911 is equal to the distance between two adjacent rear screw holes 921. The front connecting rod 910 is inserted into the front insertion hole of the front support rod 700, and the rear connecting rod 920 is inserted into the rear insertion hole of the rear support rod 800. The connector 930 is a screw with a knob on the head. The first connector 930 passes through the front through hole and is screwed into any one of the front screw holes 911. The second connector 930 passes through the rear through hole and is screwed into the rear screw hole 921 at the same height as the front screw hole 911.

[0059] The assembly of the step stool is completed by using the first pair of fasteners 600 to install the first support member 300 to the first rear connecting seat 120 of the first pedal 100, using the second pair of fasteners 600 to install the second support member 400 to the first front connecting seat 110 of the first pedal 100, using the third pair of fasteners 600 to install the second support member 400 to the second rear connecting seat 220 of the second pedal 200, and using the fourth pair of fasteners 600 to install the third support member 500 to the second front connecting seat 210 of the second pedal 200. Since all the fasteners 600 have the same structure, the user does not need to distinguish the type of fastener 600, which helps to simplify the assembly process of the step stool and make the assembly of the step stool more convenient.

[0060] The first support member 300 is fitted to the first rear connecting seat 120, the second support member 400 is fitted to the second front connecting seat 110 and the second rear connecting seat 220, and the third support member 500 is fitted to the second front connecting seat 210, which helps to quickly position the first support member 300, the second support member 400 and the third support member 500.

[0061] The first rear connecting hole 121 of the first rear connecting seat 120 is used to cooperate with the first support member 300, the second rear connecting hole 221 of the second rear connecting seat 220 and the first front connecting hole 111 of the first front connecting seat 110 are used to cooperate with the second support member 400, and the second front connecting hole 211 of the second front connecting seat 210 is used to cooperate with the third support member 500, so that the user can easily position the first support member 300, the second support member 400 and the third support member 500 by insertion.

[0062] The first front connecting hole 111 and the first rear connecting hole 121 are oriented towards the lower center of the first pedal 100, and the second front connecting hole 211 and the second rear connecting hole 221 are oriented towards the lower center of the second pedal 200, so that all fasteners 600 are located below the first pedal 100 and the second pedal 200, preventing the fasteners 600 from protruding beyond the outer periphery of the first pedal 100 and the second pedal 200, preventing the protruding fasteners 600 from scratching the user, and making the structure of the step chair more aesthetically pleasing.

[0063] The structure of the second pedal 200 is exactly the same as that of the first pedal 100. The first pedal 100 and the second pedal 200 can be used interchangeably without the user having to distinguish between the first pedal 100 and the second pedal 200, making the assembly of the step chair more convenient.

[0064] The first pedal 100 is composed of a first plate 101 and a first frame 102, and the second pedal 200 is composed of a second plate 201 and a second frame 202, making the structure of the first pedal 100 and the second pedal 200 stable and easy to manufacture.

[0065] The front support rod 700 and the rear support rod 800 are detachably connected to the armrest 900, which helps the user hold onto the armrest 900 when using the step chair. When the user steps on the first pedal 100 and the second pedal 200, the bottom of the front support rod 700 and the rear support rod 800 are pressed firmly to the ground, making the armrest 900 structurally stable and not easy to wobble.

[0066] The height of the handrail 900 can be adjusted by switching the front screw hole 911 and the rear screw hole 921 to different heights after disassembling the connector 930, so that the handrail 900 can be adjusted according to the user's height.

[0067] The knob 610 structure of fastener 600 makes it easy for users to tighten or loosen fastener 600.

[0068] Reference Figures 4 to 5 As shown, this is the second embodiment of the step chair of the present invention.

[0069] The second embodiment differs from the first embodiment in the related structures of the front support rod 700, the rear support rod 800, and the handrail 900.

[0070] The front support rod 700 is connected to the top of the third support member 500 located on the right side, and the rear side wall of the front support rod 700 is provided with a front through hole. The rear support rod 800 is connected to the top of the second support member 400 located on the right side, and the front side wall of the rear support rod 800 is provided with a rear through hole.

[0071] The handrail includes a front connecting rod 910, a rear connecting rod 920, and a crossbar. The crossbar is covered with a soft pad. The front and rear ends of the crossbar are connected to the top of the front connecting rod 910 and the top of the rear connecting rod 920, respectively. The front connecting rod 910 is provided with multiple front screw holes 911 that run through the front-rear direction and are evenly distributed in the vertical direction. The rear connecting rod 920 is provided with multiple rear screw holes 921 that run through the front-rear direction and are evenly distributed in the vertical direction. The first connector 930 passes through the front through hole and is screwed into any one of the front screw holes 911. The second connector 930 passes through the rear through hole and is screwed into the rear screw hole 921 at the same height as the front screw hole 911.

[0072] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A step chair, characterized in that, include: The first pedal has a first front connecting seat and a first rear connecting seat on its front and rear sides, respectively. The second pedal has a second front connecting seat and a second rear connecting seat on its front and rear sides, respectively. First support component; Second support component; Third support component; Multiple fasteners, at least one of the fasteners being detachably connected to the first rear connecting seat and the first support member, at least one of the fasteners being detachably connected to the first front connecting seat and the second support member, at least one of the fasteners being detachably connected to the second rear connecting seat and the second support member, and at least one of the fasteners being detachably connected to the second front connecting seat and the third support member; The first pedal and the second pedal are offset in the front-to-back direction and in the up-down direction.

2. The step chair according to claim 1, characterized in that, The first rear connecting seat cooperates with the first support member, the first front connecting seat and the second rear connecting seat cooperate with the second support member, and the second front connecting seat cooperates with the third support member.

3. The step chair according to claim 2, characterized in that, The first rear connector has a first rear connection hole on its side wall, the first front connector has a first front connection hole on its side wall, the second rear connector has a second rear connection hole on its side wall, and the second front connector has a second front connection hole on its side wall. The first rear connection hole, the first front connection hole, the second rear connection hole, and the second front connection hole are used to install the fastener.

4. The step chair according to claim 3, characterized in that, The first rear connecting hole and the first front connecting hole face downwards from the center of the first pedal, and the second rear connecting hole and the second front connecting hole face downwards from the center of the second pedal.

5. The step chair according to claim 1, characterized in that, The first pedal and the second pedal have the same structure, and the first front connecting seat and the first rear connecting seat are arranged in a mirror-symmetrical manner.

6. The step chair according to claim 5, characterized in that, The first pedal includes: First plate; The first frame surrounds the first plate body around its circumference and is connected to the bottom of the first plate body. The first front connecting seat and the first rear connecting seat are respectively located on the front and rear sides of the first frame.

7. The step chair according to claim 1, characterized in that, Two of the first support member, the second support member, and the third support member are respectively provided with a front support rod and a rear support rod, and the step chair also includes: The handrail is detachably connected to the front support rod and the rear support rod.

8. The step chair according to claim 7, characterized in that, The armrest is provided with a front connecting rod and a rear connecting rod. The front connecting rod is slidably connected to the front support rod, and the rear connecting rod is slidably connected to the rear support rod. The step stool also includes: Two connectors are provided, one of which is detachably connected to the front connecting rod and the front support rod, and the other connector is detachably connected to the rear connecting rod and the rear support rod.

9. The step chair according to claim 8, characterized in that, The rear connecting rod is provided with a plurality of rear threaded holes spaced vertically apart, and the front connecting rod is provided with a plurality of front threaded holes spaced vertically apart. One of the connecting parts mates with any one of the rear threaded holes, and the other connecting part mates with any one of the front threaded holes.

10. The step chair according to claim 1, characterized in that, Each of the fasteners is equipped with a knob.

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