Hook and ladder with same

Abstract

The utility model discloses a hook and a ladder with the same. The hook comprises a hook body, the straight rod part on the hook body penetrates through the two side walls of the U-shaped fixing part, and the opening end of the U-shaped fixing part is provided with an attaching part; the elastic piece is arranged on the straight rod part in the inner cavity of the U-shaped fixing piece in a sleeving manner; the limiting piece is located in the inner cavity of the U-shaped fixing piece and fixedly arranged at the end, close to the hook part, of the straight rod part, and the limiting piece is attached to the inner wall of the U-shaped fixing piece under elastic supporting of the elastic piece; a first step part is arranged at the closed end of the U-shaped fixing piece. The structure of the U-shaped fixing piece is simpler, the attaching part is attached to the ladder body, during fastening connection, the fastening direction and position are not interfered, and operation of workers is smoother and more convenient. The first step part can be used for limiting the rotation direction of the limiting piece, the overall supporting strength of the U-shaped fixing piece can be improved, the whole U-shaped fixing piece is of a one-time bending structure, and the production cost is greatly reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of ladders, and particularly relates to a hook and a ladder with the hook. Background Art

[0002] A ladder is a common tool for climbing heights. In actual use, sometimes it is necessary to hang the ladder on an object for fixation, such as hanging on horizontal objects such as cables and roof beams. To achieve the purpose of hanging, two hooks are symmetrically installed at both ends of the top of the ladder, and the hooks can be hooked on the horizontal object. At the same time, for the convenience of storing and placing the hooks, the hooks can also be rotated at any angle. The ladder with such hooks has a simple structure, but the hooks are in a free rotation state and are very easy to rotate, which brings certain inconvenience to the use.

[0003] The Chinese utility model patent with the publication number of CN205100858U discloses a double-body ladder hook, which can solve the technical problem that the hook is in a free rotation state. However, its structure is too complex and requires many accessories, such as mounting brackets, upper positioning seats and lower positioning seats. Moreover, the mounting brackets need to be firmly connected to the upper and lower positioning seats. Affected by the complex structure and angles, the disassembly and assembly are not convenient and smooth, and the processing cost is also high.

[0004] The Chinese utility model patent with the publication number of CN205100854U discloses a single-body ladder hook, whose structure is simplified and the cost is reduced. However, the mounting bracket therein is a closed-loop frame structure, which is very inconvenient for installation and disassembly. Coupled with the fact that this mounting bracket is installed at the opposite positions on the inner side of the ladder, relatively long fasteners (such as lead screws) are required to penetrate the ladder for connection. Moreover, the mounting holes on the mounting bracket are also located at the positions opposite to the inner side of the ladder, and it is difficult for the hand to reach inside to control the fasteners during the fastening operation, which is still inconvenient. Content of the Utility Model

[0005] The utility model provides a hook and a ladder with the hook to solve the problems raised in the above background art.

[0006] To solve the above technical problems, on the one hand, the utility model provides a hook, which includes a hook body with a hook part;

[0007] It further includes:

[0008] A U-shaped fixing member, the straight rod part on the hook body penetrates through the holes on both side walls of the U-shaped fixing member and is axially movably connected, and the open ends of the U-shaped fixing member are respectively provided with fitting parts extending in opposite directions;

[0009] An elastic member, which is sleeved on the straight rod part located in the inner cavity of the U-shaped fixing member;

[0010] A limiting member is located in the inner cavity of the U-shaped fixing member and is fixed at one end of the straight rod portion close to the hook portion, and is attached to the inner wall of the U-shaped fixing member under the elastic support of an elastic member;

[0011] A first stepped portion approaching the limiting member is provided at the closed end of the U-shaped fixing member.

[0012] As a further improvement, the stepped height of the first stepped portion is less than the height of the limiting member.

[0013] As a further improvement, the elastic member is a compression spring or a corrugated spring.

[0014] As a further improvement, fixing holes are provided on the attaching portion.

[0015] As a further improvement, a second stepped portion approaching the elastic member is provided at the closed end of the U-shaped fixing member.

[0016] On the other hand, the present utility model provides a ladder with such a hook, including a ladder body;

[0017] It is characterized in that:

[0018] The inner sides of the tops of the ladder body are respectively detachably connected with hooks.

[0019] As a further improvement, a leaning board is detachably connected between the two hooks.

[0020] As a further improvement, the leaning board has a curved structure facing the leaning direction.

[0021] As a further improvement, an anti-slip member is provided on one side of the leaning board facing the leaning direction.

[0022] Due to the adoption of the above technical solution, the beneficial technical effects produced by the present utility model are as follows:

[0023] The U-shaped fixing member with a simpler structure is used as the main support structure, and the attaching portions on its open ends extend in mutually opposite directions and can be attached to the ladder body. When tightly connecting, neither the tightening direction nor the tightening position conflicts with the inner cavity of the U-shaped fixing member, and it is more convenient for workers to operate.

[0024] The first stepped portion on the U-shaped fixing member can not only be used to limit the rotation direction of the limiting member, but also improve the overall support strength of the U-shaped fixing member. Coupled with the overall one-time bending structure, the production cost is greatly reduced, and the market competitiveness of the product is stronger. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic three-dimensional structure of Embodiment 1 of the present utility modelFigure 1 ;

[0026] Figure 2 This is the three-dimensional structural schematic diagram of the first embodiment of the present utility model Figure 2 ;

[0027] Figure 3 This is the right view of the structural schematic diagram of the first embodiment of the present utility model;

[0028] Figure 4 is Figure 3 the structural schematic diagram of the changing state;

[0029] Figure 5 This is the front view of the structural schematic diagram of the second embodiment of the present utility model.

[0030] In the figure:

[0031] 100, hook body; 101, hook part; 102, straight rod part;

[0032] 200, U-shaped fixing member; 201, open end; 202, closed end; 2021, first step; 2022, second step; 203, fitting part; 2031, fixing hole; 204, leaning board;

[0033] 300, limiting member;

[0034] 400, elastic member;

[0035] 500, ladder. Detailed implementation manners

[0036] In order to more clearly understand the above objects, features and advantages of the present utility model, the following further describes the present utility model with reference to the drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

[0037] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0038] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0039] Embodiment 1

[0040] As Figures 1 to 4 shown, the present utility model provides a hook, which includes a hook body 100 with a hook portion 101. The hook portion 101 is used for hanging on a horizontal object;

[0041] It further includes a U-shaped fixing member 200, the end face of which is a U-shaped integral bending structure. The overall structure is greatly simplified, easy to process, and the cost is significantly reduced.

[0042] The straight rod portion 102 on the hook body 100 passes through the holes on both side walls of the U-shaped fixing member 200 and is axially movably connected, thereby forming a limit on the circumferential direction of the straight rod portion 102 to prevent axial skew.

[0043] The open ends 201 of the U-shaped fixing member 200 (as Figure 3 shown) are respectively provided with fitting portions 203 extending in opposite directions. The fitting portions 203 are used for fitting with the ladder. Moreover, the two fixing holes 2031 on each fitting portion 203 can cooperate with fasteners such as screw rods to realize the firm connection between the U-shaped fixing member and the ladder. Since the fitting portions 203 are reverse bending structures and can be far away from the open ends of the U-shaped fixing member, during the disassembly and assembly process, the hands and tools of workers can be free from spatial interference, and the operation is very convenient and handy. While the traditional structure is restricted by space and difficult to operate manually.

[0044] There is also an elastic member 400 (in practice, a compression spring is mostly used, and a wave spring can also be used when the space is limited). It is sleeved on the straight rod portion 102 located in the inner cavity of the U-shaped fixing member 200, and uses its own elasticity to realize the axial expansion and contraction of the hook body 100.

[0045] A limiting member 300, in this embodiment, its specific structure is a regular quadrangular prism. Of course, it can also be structures such as a regular pentagonal prism or a regular hexagonal prism. That is to say, the more the number of side faces, the more diverse the rotation directions of the hook and the smaller the rotation angle, adapting to different working environments.

[0046] It is located in the inner cavity of the U-shaped fixing member 200 and fixed to one end of the straight rod portion 102 close to the hook portion 101 , and is fixedly connected by a pin. Moreover, it is elastically supported by the elastic member 400 and fits with the inner wall of the U-shaped fixing member 200 .

[0047] from Figures 1 - 4 In other words, under the elastic support of the elastic member 400, the top surface of the stopper 300 can always be attached to the inner wall of the U-shaped fixing member 200. That is, it can ensure that the hook is always in a state that is difficult to stretch axially (i.e., up and down), and the stopper 300 is difficult to move up and down. Only when the pressure is greater than the elastic force of the elastic member 400, can the stopper 300 move downward.

[0048] At the same time, the closed end 202 of the U-shaped fixing member 200 is provided with a step portion 1 2021 close to the limiting member 300, which can prevent the limiting member 300 from rotating in the circumferential direction. The limiting member 300 can only rotate in the circumferential direction if it is not hindered by the step portion 1 2021. That is, only when the external force (also the downward force) is greater than the elastic force of the elastic member 400, the limiting member 300 can move downward to intersect with the step portion 1 2021, and the two no longer hinder each other.

[0049] As a further improvement of this embodiment, the step height of the step portion 2021 is smaller than the height of the limiting member 300, which can greatly shorten the downward displacement distance of the limiting member 300, reduce the stroke, and reduce the force.

[0050] As a further improvement of this embodiment, the closed end 202 of the U-shaped fixing member 200 is provided with a second step portion 2022 close to the elastic member 400 .

[0051] It can not only improve the overall support strength of the U-shaped fixing member 200, but also provide lateral support to the elastic member 400, thereby preventing the elastic member 400 from tilting and affecting the elastic support effect.

[0052] Embodiment 2

[0053] refer to Figure 5 This embodiment provides a ladder with the hook, including a ladder body 500, and the top inner sides of the ladder body 500 are detachably connected to the hooks mentioned above. Relying on this structure, the ladder can be hung on a higher horizontal object.

[0054] As a further improvement of this embodiment, a leaning board 204 is detachably connected between the two hooks, and it can lean on an object to achieve support. Especially when the object to be leaned on is cylindrical, the leaning board 204 has a curved structure facing the leaning direction, which can contact the surface of the object to be leaned on more, improving the stability of leaning. Moreover, an anti-slip member is provided on the side of the leaning board 204 facing the leaning direction, which can improve the anti-slip effect.

[0055] Due to the adoption of the above technical solution, the beneficial technical effects produced by the present utility model are as follows:

[0056] A U-shaped fixing member with a simpler structure is used as the main support structure, and the fitting portions on its open ends extend in opposite directions, and can be fitted with the ladder body. When being tightly connected, neither the tightening direction nor the tightening position conflicts with the inner cavity of the U-shaped fixing member, and it is more convenient for workers to operate.

[0057] The first stepped portion on the U-shaped fixing member can not only be used to limit the rotation direction of the limiting member, but also improve the overall support strength of the U-shaped fixing member. Coupled with the overall one-time bending structure, the production cost is greatly reduced, and the market competitiveness of the product is stronger.

[0058] The above is only the specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present utility model should be covered within the protection scope of the present utility model.

Claims

1. A hook, comprising a hook body (100) with a hook portion (101); Characterized in that: It further comprises: A U-shaped fixing member (200), the straight rod portion (102) on the hook body (100) passes through the holes on both side walls of the U-shaped fixing member (200) and is axially movably connected, and the open ends (201) of the U-shaped fixing member (200) are respectively provided with fitting portions (203) extending in opposite directions; An elastic member (400), which is sleeved on the straight rod portion (102) located in the inner cavity of the U-shaped fixing member (200); A limiting member (300), which is located in the inner cavity of the U-shaped fixing member (200) and is fixed at one end of the straight rod portion (102) close to the hook portion (101) direction, and fits with the inner wall of the U-shaped fixing member (200) under the elastic support of the elastic member (400); The closed end (202) of the U-shaped fixing member (200) is provided with a first step portion (2021) approaching the limiting member (300).

2. The hook according to claim 1, characterized in that: The step height of the first step portion (2021) is less than the height of the limiting member (300).

3. The hook according to claim 1, wherein: The elastic member (400) is a compression spring or a corrugated spring.

4. The hook according to claim 1, characterized in that: The fitting portion (203) is provided with a fixing hole (2031).

5. The hook according to claim 2, characterized in that: The closed end (202) of the U-shaped fixing member (200) is provided with a second step portion (2022) approaching the elastic member (400).

6. A ladder, comprising a ladder body (500); Characterized in that: The inner sides of the top of the ladder body (500) are respectively detachably connected with the hooks according to any one of claims 1-5.

7. The ladder according to claim 6, characterized in that: An armrest plate (204) is detachably connected between the two hooks.

8. The ladder according to claim 7, wherein: The armrest plate (204) has a curved structure facing the leaning direction.

9. The ladder according to claim 7, characterized in that: One side of the armrest plate (204) facing the leaning direction is provided with an anti-slip member.

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