TWM549817U - Folding ladder - Google Patents

Description

Folding ladder

The present invention relates to a ladder, in particular a folding ladder.

When the conventional folding ladder is placed on an uneven ground, it may stand stably when the user is not standing, but when the user stands on the folding ladder, the folding ladder will easily fall over because of the uneven ground. Therefore, the conventional folding ladder has a problem that the user is safe to use. Therefore, the author is concentrating on research and using the application of theory, and proposes a creation that is reasonable in design and effective in improving the above problems.

The main purpose of this creation is to provide a folding ladder for improving the prior art that the folding ladder cannot be used on uneven ground.

In order to achieve the above object, the present invention provides a folding ladder comprising two frames and a movable assembly. One ends of the two frames are pivotally connected to each other, and the two frames are capable of being subjected to an external force, and are selectively moved toward or away from each other; the ends of which the two frames are pivoted to each other are defined As a top end, one end of each frame opposite to the top end is defined as a bottom end; the two frame bodies are respectively defined as a movable frame body and a fixed frame body, and the bottom end position of the movable frame body has a fixing portion, the fixing frame body The bottom end position has an abutment for abutting against the ground. The movable component is pivotally connected to the fixed part, and the movable component comprises two movable supports. One end of each movable support is pivotally connected to the fixed part, and each movable support can rotate away from the frame centering on one end of the pivotal connection thereof. The other end of each movable support has a support structure for abutting against the ground.

The beneficial effect of the present invention may be that the folding ladder can be stably placed on the uneven ground through the setting of the movable component.

In order to further understand the features and technical contents of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings are only for reference and description, and are not intended to limit the creation.

1‧‧‧Folding ladder

10‧‧‧Fixed frame

10a‧‧‧Top

10b‧‧‧ bottom

101‧‧‧Abutment

102‧‧‧step structure

11‧‧‧Active frame

11a‧‧‧Top

11b‧‧‧ bottom

111‧‧‧Fixed Department

1111‧‧‧First limit structure

112‧‧‧step structure

20‧‧‧Active components

21‧‧‧ activity support

211‧‧‧second limit structure

22‧‧‧Support structure

30‧‧‧Auxiliary pivot joint

40‧‧‧Auxiliary fixing components

41‧‧‧Auxiliary support

S‧‧‧Lock Firmware

Figure 1 is a side view of the folding ladder of the present invention.

Figure 2 is a side elevational view of the movable frame of the folding ladder of the present invention.

Figure 3 is an exploded perspective view of the movable assembly of the folding ladder of the present invention.

Figure 4 is a schematic view showing the assembly of the movable assembly of the folding ladder of the present invention.

Figure 5 is a schematic illustration of another embodiment of the folding ladder of the present invention.

The following describes the implementation of the folding ladder of the present invention by a specific specific example, and those skilled in the art can easily understand other advantages and effects of the present invention by the contents disclosed in the present specification. The present invention may also be implemented or applied by other specific examples. The details of the present specification may also be based on different viewpoints and applications, and various modifications and changes may be made without departing from the spirit of the present invention. The drawing of this creation is only a brief description, and is not depicted in actual size, that is, the actual size of the relevant composition is not reflected, which will be described first. The following embodiments are intended to further explain the scope of this creation, but do not limit the scope of the creation in any way.

Please refer to FIG. 1 and FIG. 2 together. FIG. 1 is a schematic side view of the folding ladder of the present invention; FIG. 2 is a schematic side view of one of the folding ladders. As shown, the folding ladder 1 includes two frames (10, 11), a movable assembly 20, an auxiliary pivoting member 30, and an auxiliary fixing assembly 40. For the following description, the two frames are defined as a fixed frame body 10 and a movable frame body 11, respectively. The two ends of the fixed frame body 10 are respectively defined as a top end 10a and a bottom end 10b; the two ends of the movable frame body 11 are respectively defined as a top end 11a and a bottom end 11b.

The top end 10a of the fixing frame body 10 is pivotally connected to the auxiliary pivoting member 30, and the movable frame body The top end 11a of the elbow 11 is pivotally connected to the auxiliary pivoting member 30, and the fixed frame body 10 and the movable frame body 11 are capable of being rotated by an external force in a direction away from each other or in a direction close to each other. In practical applications, the shape and size of the auxiliary pivoting member 30 can be varied according to requirements, and is not limited to the one shown in the figure. In different embodiments, the top end 10a of the fixed frame body 10 and the top end 11a of the movable frame body 11 may be directly pivotally connected to each other without passing through the auxiliary pivoting member 30 shown in the drawing.

The bottom end 10b of the fixing frame body 10 has an abutting member 101 for abutting against the ground, thereby increasing the friction between the fixing frame body 10 and the ground, and the fixing frame body 10 is stably Set on the ground. In an actual application, the abutting member 101 can be directly formed on the bottom end 10b of the fixing frame body 10, or can be additionally fixed to the member of the fixing frame body 10, which is not limited herein. The fixed frame body 10 and the movable frame body 11 each include a plurality of spaced-apart step structures 102, 112 for providing user climbing; in practical applications, the appearance of the step structures 102, 112 and the number thereof can be adjusted according to requirements. The change is shown in the figure as an exemplary aspect.

In a preferred application, an auxiliary fixing component 40 may be disposed between the fixed frame body 10 and the movable frame body 11. The auxiliary fixing component 40 may include two auxiliary supporting members 41. One ends of the two auxiliary supporting members 41 are pivotally connected to each other, and the other ends of the two auxiliary supporting members 41 are respectively pivotally connected to the fixed frame body 10 and the movable frame body. 11. The position at which the auxiliary support members 41 and the fixed frame body 10 and the movable frame body 11 are pivotally connected to each other may be substantially located between the top ends 10a and 11a of the fixed frame body 10 and the movable frame body 11 and the bottom ends 10b and 11b. When the fixing frame body 10 and the movable frame body 11 are subjected to an external force and appear in the state of FIG. 1, the two auxiliary supporting members 41 may be in a state of being substantially horizontal, so that the fixing frame body 10 and the movable frame body may be restricted. 11 is then acted by an external force and rotates away from each other.

Referring to FIG. 2 to FIG. 4 , the bottom end 11 b of the movable frame 11 has a fixing portion 111 , and the movable component 20 is pivotally connected to the fixing portion 111 . In practical applications, the outer shape of the fixing portion 111 and its position on the movable frame body 11 may be changed according to requirements. For example, the fixing portion 111 may protrude from the movable frame body 11 as shown in the figure. The bottom end 11b, or the fixing portion 111, may not protrude from the bottom end 11b of the movable frame body 11. In a different embodiment, the fixing portion 111 may also be one of the step structures 102 formed on the movable frame body 11 , that is, the last step structure 102 of the movable frame body 11 at the bottom end 11 b may be the fixing portion 111 . .

The movable assembly 20 includes two movable supporting members 21, one end of each movable supporting member 21 is pivotally connected to the fixing portion 111, and each movable supporting member 21 is rotatable in a direction away from the movable frame body 11 centering on one end thereof. In practical applications, one end of the two movable supporting members 21 may be the same position pivotally connected to the fixing portion 111, and each of the movable supporting members 21 can be rotated by an external force to selectively move away from each other.

Specifically, when the two movable supporting members 21 are away from each other at one end, which are respectively disposed on the ground of different heights, one of the movable supporting members 21 is rotatable relative to the fixed portion 111, so that the movable frame body 11 as a whole Keep it level. In other words, the folding ladder 1 of the present creation is arranged through the two movable supporting members 21, so that the folding ladder 1 can be placed on the ground with unevenness or a slight low and low drop, the folding ladder 1 as a whole remains horizontal, and the use is ensured. The safety of the person.

In practical applications, each of the movable supporting members 21 opposite to the one end pivotally connected to the fixing portion 111 may have a supporting structure 22 for abutting against the ground to strengthen between the movable supporting members 21 and the ground. Friction. Each of the support structures 22 may be a structure that directly forms the end of the movable support member 21, or may be a member that is additionally fixedly disposed on the movable support member 21, and is not limited thereto.

Referring to FIG. 3 and FIG. 4 together, in different applications, the fixing portion 111 may have a first limiting structure 1111 and a through hole (not shown), wherein one movable supporting member 21 may have a corresponding one. a second limiting structure 211 and a perforation (not shown), the other movable supporting member 21 may be a perforation having the same aperture (not shown), whereby the two movable supporting members 21 may pass through a lock. The firmware S is pivotally connected to the fixing portion 111.

When the two movable supporting members 21 are pivotally connected to the fixing portion 111, the second limiting structure 211 can be engaged with the first limiting structure 1111 and pass through the first limiting structure 1111. And the second limiting structure 211 is engaged with each other to strengthen the friction between the movable supporting member 21 and the fixing portion 111, thereby preventing the movable supporting member 21 and the fixing portion 111 from being engaged when the user stands on the folding ladder 1. There is a problem of insufficient friction between them. In another embodiment, one of the sides of the movable support member 21 has a second limiting structure 211 (not shown), and one side of the other movable supporting member 21 has the first portion. A limit structure (not shown). That is, when the two movable supporting members 21 are pivotally connected to the fixing portion 111, the side faces of the movable supporting member 21 and the fixing portion 111 facing each other are mutually engaged through the first limiting structure 1111 and the second limiting structure 211. The side surfaces of the two movable supporting members 21 facing each other are also engaged with each other through the first limiting structure and the second limiting structure 211. Thereby, the friction between the two movable supporting members 21 and the fixing portion 111 can be more effectively strengthened. In different applications, the design of the first limiting structure 1111 and the second limiting structure 211 can also achieve the purpose of limiting the angle between the two movable supporting members 21 to each other.

In another embodiment, the lock S may be such that the two movable supports 21 cannot be rotated relative to the fixed portion 111. That is, the user may first loosen the lock S, so that the two movable supports 21 can be rotated relative to the fixed portion 111 respectively; when the user adjusts the angle between the two movable supports 21 according to the requirements, The user can lock the lock S again, so that the movable supports 21 cannot be rotated relative to the fixed portion 111. In this way, it is possible to effectively prevent the user from rotating relative to the fixed portion 111 when the user stands on the folding ladder 1, and the folding ladder 1 is dumped.

In another embodiment, an elastic member (not shown) may be disposed between each of the movable support members 21 and the fixing portion 111. On the other hand, when the movable support members 21 are rotated relative to the fixed portion 111, the elastic members are correspondingly pressed by the movable support members 21, and accordingly, an elastic restoring force is generated, whereby each movable support can be transmitted through the elastic restoring force. One end of the member 21 is firmly seated against the ground. In different applications, an auxiliary fixing assembly 40 as shown in Fig. 1 may also be provided between the two movable supports 21, thereby limiting the range in which the two movable supports 21 are maximally rotatable from each other.

Please refer to FIG. 5, which is a schematic view of another embodiment of the folding ladder of the present invention. As shown in the figure, the difference between the present embodiment and the foregoing embodiment is that the two movable supporting members 21 can be pivotally connected to opposite ends of the fixing portion 111, and each of the movable supporting members 21 can be subjected to an external force. Rotating separately with respect to the fixing portion 111. Another difference between this embodiment and the foregoing embodiment is that the support structure 22 disposed at the end of each movable support member 21 can be connected to the movable support member 21 in a pivotal manner. That is, the support structure 22 at the end of each of the movable support members 21 can be rotated by the external force and with respect to the movable support member 21, so that the two movable support members 21 can be disposed on the ground of more elements.

In a specific application, each of the movable supporting members 21 and the fixing portion 111 may have the foregoing second limiting structure 211 and the first limiting structure 1111 respectively; the respective supporting structures 22 and the movable supporting members 21 may also have similarities. The structure of the first limiting structure 1111 and the second limiting structure 211. In addition, an elastic member may be disposed between each of the support structures 22 and the corresponding movable support member 21.

The above description is only a preferred and feasible embodiment of the present invention, and thus does not limit the scope of the patent of the present invention. Therefore, any equivalent technical changes made by using the present specification and the contents of the schema are included in the scope of protection of the present creation. .

11‧‧‧Active frame

111‧‧‧Fixed Department

112‧‧‧step structure

20‧‧‧Active components

21‧‧‧ activity support

22‧‧‧Support structure

30‧‧‧Auxiliary pivot joint

Claims (10)

A folding ladder comprising: two frames, one end of which is pivotally connected to each other, and the two frames are capable of being subjected to an external force and selectively moving toward or away from each other; One end of the frame body pivotally connected to each other is defined as a top end, and one end of each of the frame bodies opposite to the top end is defined as a bottom end; the two frame bodies are respectively defined as a movable frame body and a fixed body a frame body having a bottom end position of the movable frame body, the bottom end position of the fixing frame body having an abutting member for abutting against the ground; and a movable component, The movable component comprises two movable supports, one end of each of the movable supports is pivotally connected to the fixing portion, and each of the movable supports can be centered on one end of the pivoting Rotating away from the frame body, the other end of each of the movable supports has a support structure for abutting against the ground. The folding ladder of claim 1, wherein the folding ladder further comprises an auxiliary pivoting member and an auxiliary fixing component, wherein the top ends of the two frame bodies are respectively pivotally connected to the auxiliary pivoting member, and two The frame bodies are respectively rotatable relative to the auxiliary pivoting members in a direction close to each other or in a direction away from each other; the auxiliary fixing assembly includes two auxiliary supporting members, and the two auxiliary supporting members One ends of the auxiliary support members are pivotally connected to each other, and the other ends of the two auxiliary support members are respectively pivotally connected to the two frame bodies, and the positions of the auxiliary support members and the frame body are pivotally connected to each other. Between the top end and the bottom end, the two auxiliary fixing components can limit the distance between the two frames. The folding ladder of claim 1, wherein the fixing portion has a first limiting structure, wherein one end of one of the movable supporting members has a second limiting structure, and the two movable supporting members are pivotally connected. The second limit when the fixing portion is The bit structure can be engaged with the first limit structure, and can limit the rotation angle of the two movable supports relative to the fixed portion. The folding ladder of claim 1, wherein the two movable supports are pivotally connected to the fixing portion via a lock, the lock enabling the two movable supports to be incapable of being opposite to the The fixed part rotates. The folding ladder according to claim 1, wherein an elastic member is disposed between each of the movable supporting members and the fixing portion, and the elastic members are subjected to rotation when the movable supporting members are rotated relative to the fixing portion. The movable support is pressed. The folding ladder according to claim 1, wherein the two movable supporting members are pivotally connected to opposite ends of the fixing portion, and each of the movable supporting members is capable of being subjected to an external force, and is separately opposed to the The fixed part rotates. The folding ladder of claim 6, wherein the fixing portion has two first limiting structures, and one end of each of the movable supporting members has a second limiting structure, and the two movable supporting members are pivotally connected. In the fixing portion, the two second limiting structures can be engaged with the two first limiting structures, and the first limiting structure and the second limiting position are mutually engaged The structure can limit the angle of rotation of the movable support and the fixed portion. The folding ladder according to claim 6, wherein an elastic member is disposed between each of the movable supporting members and the fixing portion, and the elastic members are subjected to rotation when the movable supporting members are rotated relative to the fixing portion. The movable support is pressed. The folding ladder of claim 1, wherein each of the support structures is pivotally connected to the corresponding movable support, and each of the support structures is rotatable relative to the corresponding movable support. The folding ladder according to claim 9, wherein an elastic member is disposed between each of the movable supporting members and the fixing portion, and each of the movable supporting members is opposite to the movable supporting member When the fixing portion rotates, the elastic member is pressed by the movable support.