Connecting structure of step stool

Abstract

The utility model relates to a connecting structure of a step stool, which comprises a first foot rod and a second foot rod which are oppositely arranged along the horizontal direction, a first connecting surface is arranged on the first foot rod, a second connecting surface is arranged on the second foot rod, the first connecting surface and the second connecting surface are oppositely arranged, and a connecting rod is arranged between the first foot rod and the second foot rod along the horizontal direction. The two ends of the connecting rod are fixedly connected with the first connecting surface and the second connecting surface respectively; one side of the first connecting piece is fixedly connected with the first connecting face, the other side of the first connecting piece is fixedly welded to the end, close to the first connecting face, of the connecting rod, and one side of the second connecting piece is fixedly connected with the second connecting face. The other side of the second connecting piece is fixedly welded to the end, close to the second connecting face, of the connecting rod. The first connecting piece and the second connecting piece are used for enhancing the stability of connection between the connecting rod and the first foot rod and the second foot rod, so that the stability of using the step stool is ensured.

Description

Technical Field

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

[0002] In daily life, people often encounter situations where they need to raise their height. To meet these needs, various types of step stools have appeared on the market to provide convenience for people with mobility difficulties or insufficient height. For example, the integrated folding armrest step stool disclosed in Chinese utility model patent CN220442282U includes a seat, foot tubes, and armrests. The seat is equipped with an auxiliary component that is fixedly connected to it, and the foot tubes are rotatably connected to the auxiliary component through a connecting shaft.

[0003] When the footstool is used with the legs extended, the following defects exist: Firstly, because the four legs are rotatably connected to the stool surface, the legs may be rotated by external force when stepping on the stool surface, which cannot guarantee the user's safety; secondly, the upper end of the legs is connected to the stool surface, while the rest of the legs are not fixedly connected to other parts, which may cause the legs to wobble, making the footstool unstable. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a simple and stable connection structure for a step stool. It not only sets a connecting rod to enhance the stability of the step stool, but also sets a first connecting member and a second connecting member to further enhance the stability of the connection between the first and second legs, thereby improving the stability of the step stool when in use.

[0005] The objective of this utility model is achieved through the following technical solution:

[0006] A step stool connection structure includes a first foot post and a second foot post arranged horizontally opposite each other. The first foot post has a first connecting surface, and the second foot post has a second connecting surface. The first connecting surface and the second connecting surface face each other. A connecting rod is provided between the first foot post and the second foot post in a horizontal direction. The two ends of the connecting rod are fixedly connected to the first connecting surface and the second connecting surface, respectively. The structure also includes a first connector and a second connector. One side of the first connector is fixedly connected to the first connecting surface, and the other side of the first connector is welded and fixed to the end of the connecting rod near the first connecting surface. One side of the second connector is fixedly connected to the second connecting surface, and the other side of the second connector is welded and fixed to the end of the connecting rod near the second connecting surface.

[0007] Furthermore, the first connector includes a first upper connector arranged in a horizontal direction and a first lower connector arranged in a vertical direction and perpendicularly connected to the first upper connector, and the second connector includes a second upper connector arranged in a horizontal direction and a second lower connector arranged in a vertical direction and perpendicularly connected to the second upper connector.

[0008] Furthermore, a first through hole is provided on the lower part of the first connection, and a second through hole is provided on the lower part of the second connection.

[0009] Furthermore, the first leg has a first screw hole and a first through hole that extend horizontally through the first leg from top to bottom, and the second leg has a second screw hole and a second through hole that extend horizontally through the second leg from top to bottom.

[0010] Furthermore, the two ends of the connecting rod are respectively provided with a third screw hole and a fourth screw hole along its length.

[0011] Furthermore, the first leg and the connecting rod are fixedly connected by screws that are sequentially inserted into the first screw hole and the third screw hole from the side away from the first connecting surface, and the second leg and the connecting rod are fixedly connected by screws that are sequentially inserted into the second screw hole and the fourth screw hole from the side away from the second connecting surface.

[0012] Furthermore, the upper part of the first connection is welded and fixed to the lower side of the end of the connecting rod near the first connection surface. The lower part of the first connection and the first leg are fixedly connected by bolts that pass through the first insertion hole and the first through hole from the side away from the first connection surface. The upper part of the second connection is welded and fixed to the lower side of the end of the connecting rod near the second connection surface. The lower part of the second connection and the second leg are fixedly connected by bolts that pass through the second insertion hole and the second through hole from the side away from the second connection surface.

[0013] Furthermore, the two ends of the connecting rod are respectively positioned to abut against the first connecting surface and the second connecting surface.

[0014] Furthermore, the lower part of the first connection and the lower part of the second connection are respectively attached to the first connection surface and the second connection surface.

[0015] Furthermore, the first screw hole, the first through hole, and the connecting rod are all in the same vertical plane, as are the second screw hole, the second through hole, and the connecting rod.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] This utility model provides a connecting rod between the first and second legs for fixed connection, which can ensure the stability of the first and second legs when fixed to the ground to a certain extent. Secondly, the lower sides of both ends of the connecting rod are welded and fixed with a first connecting upper part and a second connecting upper part, respectively. At the same time, the first connecting lower part and the second connecting lower part are fixedly connected to the first connecting surface and the second connecting surface, respectively. This increases the fixing area between the two ends of the connecting rod and the first and second legs, further strengthening the stability of the connection between the first and second legs, thereby ensuring the stability of the step stool. Attached Figure Description

[0018] Figure 1 This is a three-dimensional schematic diagram of the connection structure of a step stool according to this utility model.

[0019] Figure 2 This is a front view schematic diagram of the connection structure of a step stool according to this utility model.

[0020] Figure 3 This is a three-dimensional schematic diagram of the first and second legs of this utility model.

[0021] Figure 4 This is an exploded view of a step stool employing the connection structure of this utility model. Figure 1 .

[0022] Figure 5 This is an exploded view of a step stool employing the connection structure of this utility model. Figure 2 . Detailed Implementation

[0023] The present invention will be further described in detail below with reference to the embodiments shown in the accompanying drawings.

[0024] like Figures 1 to 5 As shown, the connection structure of the step stool provided in this embodiment includes a first foot bar 1 and a second foot bar 2 arranged opposite each other in the horizontal direction. The first foot bar 1 is provided with a first connecting surface 11, and the second foot bar 2 is provided with a second connecting surface 21. The first connecting surface 11 and the second connecting surface 21 are arranged facing each other. A connecting rod 3 is provided between the first foot bar 1 and the second foot bar 2 in the horizontal direction. The two ends of the connecting rod 3 are fixedly connected to the first connecting surface 11 and the second connecting surface 21, respectively. It also includes a first connecting member 4 and a second connecting member 5. One side of the first connecting member 4 is fixedly connected to the first connecting surface 11, and the other side of the first connecting member 4 is welded and fixed to the end of the connecting rod 3 near the first connecting surface 11. One side of the second connecting member 5 is fixedly connected to the second connecting surface 21, and the other side of the second connecting member 5 is welded and fixed to the end of the connecting rod 3 near the second connecting surface 21.

[0025] In this embodiment, the first connector 4 includes a first upper connector 41 arranged in the horizontal direction and a first lower connector 42 arranged in the vertical direction and perpendicularly connected to the first upper connector 41. The second connector 5 includes a second upper connector 51 arranged in the horizontal direction and a second lower connector 52 arranged in the vertical direction and perpendicularly connected to the second upper connector 51.

[0026] In this embodiment, a first through hole 421 is provided on the first connecting lower part 42, and a second through hole 521 is provided on the second connecting lower part 52.

[0027] In this embodiment, the first leg 1 is provided with a first screw hole 12 and a first through hole 13 that pass through the first leg 1 from top to bottom, and the second leg 2 is provided with a second screw hole 22 and a second through hole 23 that pass through the second leg 2 from top to bottom.

[0028] A foot pedal 8 is provided at the upper end of the first foot bar 1 and the second foot bar 2 and between the two. The foot pedal 8 is provided with anti-slip texture to increase the friction of the tread surface 8 and play an anti-slip role.

[0029] Anti-slip foot covers are provided on the lower ends of the first leg 1 and the second leg 2 that are in contact with the ground.

[0030] In this embodiment, the two ends of the connecting rod 3 are respectively provided with a third screw hole 31 and a fourth screw hole 32 along its length direction.

[0031] In this embodiment, the first foot bar 1 and the connecting rod 3 are fixedly connected by screws 61 that pass through the first screw hole 12 and the third screw hole 31 sequentially from the side away from the first connecting surface 11. The second foot bar 2 and the connecting rod 3 are fixedly connected by screws 62 that pass through the second screw hole 22 and the fourth screw hole 32 sequentially from the side away from the second connecting surface 21. The connecting rod 3 strengthens the connection between the first foot bar 1 and the second foot bar 2, and minimizes the swaying of the foot bar when stepped on, thereby enhancing the stability of the step stool.

[0032] In this embodiment, the first connecting upper part 41 is welded and fixed to the lower side of the connecting rod 3 near the first connecting surface 11. The first connecting lower part 42 and the first leg 1 are connected by bolts 71 from the side away from the first connecting surface 11, which are sequentially inserted into the first through hole 13 and the first through hole 421, and the nuts 72 are screwed onto the ends of the bolts 71 to achieve a fixed connection. The second connecting upper part 51 is welded and fixed to the lower side of the connecting rod 3 near the second connecting surface 21. The second connecting lower part 52 and the second leg 2 are connected by bolts 73 from the side away from the second connecting surface 21, which are sequentially inserted into the second through hole 23 and the second through hole 521, and the nuts 74 are screwed onto the ends of the bolts 73 to achieve a fixed connection. The first connecting lower part 42 and the second connecting lower part 52 are fixedly connected to the first leg 1 and the second leg 2, respectively. In fact, based on the connection of the connecting rod 3 to the first leg 1 and the second leg 2, the connection area and connection strength of the two ends of the connecting rod 3 to the first leg 1 and the second leg 2 are increased, which further enhances the stability of the step stool.

[0033] In this embodiment, the two ends of the connecting rod 3 are respectively abutted against the first connecting surface 11 and the second connecting surface 21.

[0034] In this embodiment, the first connecting lower part 42 and the second connecting lower part 52 are respectively attached to the first connecting surface 11 and the second connecting surface 21.

[0035] The upper ends of the first leg 1 and the second leg 2 are respectively set to be curved to avoid bumping into the user and improve the comfort of using the step stool.

[0036] In this embodiment, the first screw hole 12, the first through hole 13 and the connecting rod 3 are in the same vertical plane, and the second screw hole 22, the second through hole 23 and the connecting rod 3 are in the same vertical plane.

[0037] The above description is merely a preferred embodiment of the present utility model and should not be construed as limiting the scope of the present utility model. Any simple equivalent changes and modifications made in accordance with the scope of the present utility model patent application and the description of the utility model shall still fall within the scope of the present utility model patent.

Claims

1. A connecting structure for a step stool, characterized in that: The device includes a first leg and a second leg arranged horizontally opposite each other. The first leg has a first connecting surface, and the second leg has a second connecting surface. The first connecting surface and the second connecting surface face each other. A connecting rod is provided between the first leg and the second leg in a horizontal direction. The two ends of the connecting rod are fixedly connected to the first connecting surface and the second connecting surface, respectively. The device also includes a first connector and a second connector. One side of the first connector is fixedly connected to the first connecting surface, and the other side of the first connector is welded and fixed to the end of the connecting rod near the first connecting surface. One side of the second connector is fixedly connected to the second connecting surface, and the other side of the second connector is welded and fixed to the end of the connecting rod near the second connecting surface.

2. The connecting structure of a step stool according to claim 1, characterized in that: The first connector includes a first upper connector arranged in a horizontal direction and a first lower connector arranged in a vertical direction and perpendicularly connected to the first upper connector. The second connector includes a second upper connector arranged in a horizontal direction and a second lower connector arranged in a vertical direction and perpendicularly connected to the second upper connector.

3. The connecting structure of a step stool according to claim 2, characterized in that: The lower part of the first connection is provided with a first through hole, and the lower part of the second connection is provided with a second through hole.

4. The connecting structure of a step stool according to claim 3, characterized in that: The first leg has a first screw hole and a first through hole that extend horizontally through the first leg from top to bottom, and the second leg has a second screw hole and a second through hole that extend horizontally through the second leg from top to bottom.

5. The connecting structure of a step stool according to claim 4, characterized in that: The connecting rod has a third screw hole and a fourth screw hole at both ends along its length.

6. The connecting structure of a step stool according to claim 5, characterized in that: The first leg and the connecting rod are fixedly connected by screws that are sequentially inserted into the first screw hole and the third screw hole from the side away from the first connecting surface. The second leg and the connecting rod are fixedly connected by screws that are sequentially inserted into the second screw hole and the fourth screw hole from the side away from the second connecting surface.

7. The connecting structure of a step stool according to claim 6, characterized in that: The upper part of the first connection is welded and fixed to the lower side of the end of the connecting rod near the first connection surface. The lower part of the first connection is fixedly connected to the first leg rod by bolts passing through the first insertion hole and the first through hole in sequence from the side away from the first connection surface. The upper part of the second connection is welded and fixed to the lower side of the end of the connecting rod near the second connection surface. The lower part of the second connection is fixedly connected to the second leg rod by bolts passing through the second insertion hole and the second through hole in sequence from the side away from the second connection surface.

8. The connecting structure of a step stool according to claim 6, characterized in that: The two ends of the connecting rod are respectively abutted against the first connecting surface and the second connecting surface.

9. The connecting structure of a step stool according to claim 7, characterized in that: The lower part of the first connection and the lower part of the second connection are respectively attached to the first connection surface and the second connection surface.

10. The connecting structure of a step stool according to claim 8, characterized in that: The first screw hole, the first through hole, and the connecting rod are in the same vertical plane, and the second screw hole, the second through hole, and the connecting rod are in the same vertical plane.

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