Forklift overhead guard

Abstract

The utility model discloses a forklift overhead guard which comprises a plurality of supporting columns, the lower ends of the supporting columns are detachably assembled on a forklift, and the upper ends of the supporting columns are connected with the overhead guard. A limiting cavity is formed in the lower end of the supporting column, a positioning block is arranged in the limiting cavity, and a limiting structure used for limiting movement of the supporting column is installed on the positioning block. The device is simple in structure, through the arrangement of the positioning block and the limiting structure, when the supporting column and the overhead guard are disassembled, the pressing plate is pressed to drive the limiting plate to move downwards, the limiting plate can extrude the spring, meanwhile, the limiting plate can drive the clamping block to be separated from the clamping groove in the supporting column, and when the supporting column is not hindered, the supporting column can be pushed to move forwards; when the supporting column is separated from the positioning block and is conveniently disassembled, installed and fixed, the supporting column can be clamped on the positioning block on the installation base in a limiting and sliding mode, the pressing plate is loosened, the limiting plate and the clamping block are driven to reset under pushing of the spring, the clamping block can be clamped in the clamping groove, and the supporting column is fixed and limited.

Description

TECHNICAL FIELD

[0001] The utility model relates to a forklift protection roof rack technical field, specifically a kind of forklift protection roof rack. BACKGROUND

[0002] Forklift protection roof rack is a kind of safety device of forklift, mainly used to protect the safety of operator when overturning or heavy object falling. It is installed at the top of forklift, used to absorb and disperse impact force, reduce the harm to operator, when forklift overturns or accident occurs, protection roof rack can effectively protect operator from direct impact, in various industrial warehouse environment, forklift protection roof rack can effectively protect operator, prevent accidents.

[0003] And now most forklift protection roof rack structures have the following problems: for example, a kind of forklift protection roof rack with publication No. CN208791111U, although it is convenient to use protection, it is mostly necessary to use multiple bolts or welding during use, if the protection roof rack deforms, etc., it needs to be maintained, it needs to be disassembled multiple bolts or cutting welding parts, disassembly is troublesome, and it wastes replacement or repair efficiency, it is not convenient to conveniently install and disassemble protection roof rack;At the same time, the use height of equipment is mostly in fixed state, when using, the height of user is different, if the height of user is higher, it leads to smaller space, affects the comfort of use, protection roof rack is higher, it is easy to lead to unable to pass through height limit position, it is not convenient to adjust the use height of protection roof rack according to use condition. Therefore, it is improved, and a kind of forklift protection roof rack is proposed. CONTENT OF UTILITY MODEL

[0004] The utility model aims at providing a kind of forklift protection roof rack to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of forklift protection roof rack, including multiple struts, the lower end of multiple struts is detachably assembled on forklift, the upper end of multiple struts is connected with protection roof rack;Limiting cavity is set in the lower end of the strut, positioning block is arranged in the limiting cavity, and limiting structure for limiting the movement of strut is installed on the positioning block.

[0006] As a further scheme of the utility model: the same number of mounting bases as the number of struts is fixedly installed on the forklift, and the positioning block is installed on the mounting base.

[0007] As a further scheme of the utility model: the cross section of the positioning block is "T" shape.

[0008] As a further scheme of the utility model: the inner wall of the limiting cavity is provided with a clamping groove.

[0009] As a further scheme of the present utility model: the limiting structure includes elastic element, the elastic element is fixed in the inside of positioning block, and one end of elastic element is connected with limiting plate, the surface of limiting plate is respectively equipped with clamping block and pressing plate.

[0010] As a further scheme of the present utility model: the positioning block is respectively equipped with through hole and sliding slot.

[0011] As a further scheme of the present utility model: the upper end of support is movably installed with guide rod, the guide rod is connected with roof support, the roof support is installed with height adjusting structure.

[0012] As a further scheme of the present utility model: the upper end of support is equipped with movable slot, the guide rod is located in the inside of movable slot, the inner diameter of movable slot opening is less than the outer diameter of guide rod end.

[0013] As a further scheme of the present utility model: the height adjusting structure includes connecting plate, the both ends of connecting plate are respectively connected with two supports, two push rods are installed on the upper surface of connecting plate, the roof support is installed with rotating piece, the end of rotating piece is connected with bidirectional screw rod, the other end of bidirectional screw rod is rotatably connected with the inner wall of roof support, the end of two push rods is all installed with moving block that is sleeved on bidirectional screw rod.

[0014] As a further scheme of the present utility model: the both ends of push rod are movably connected with connecting plate and moving block.

[0015] Compared with the prior art, the present utility model has the beneficial effects that:

[0016] When the support and roof support are disassembled, the limiting plate can extrude the spring by pressing the pressing plate and moving downward, and the limiting plate can drive the clamping block to separate from the clamping groove in the support, so that the support can be conveniently disassembled. When installing and fixing, the support can be limited to slide and engage with the positioning block on the installation base, and the limiting plate and the clamping block can be reset under the pushing of the spring, and the clamping block can be engaged in the clamping groove to fix and limit the support. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the roof support assembly schematic view of the present utility model;

[0018] Figure 2 It is the roof support cross-sectional view schematic view of the present utility model;

[0019] Figure 3 It is the roof support schematic view of the present utility model;

[0020] Figure 4 A place of the utility model is enlarged schematic view;

[0021] In the figure: 1, mounting base; 2, support column; 3, top guard frame; 4, positioning block; 5, limiting cavity; 6, elastic element; 7, limiting plate; 8, clamping block; 9, pressing plate; 10, guide rod; 11, connecting plate; 12, push rod; 13, rotating piece; 14, two-way threaded rod; 15, moving block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Please refer to Figures 1-4 In the embodiments of the utility model, a top guard frame of a forklift comprises a plurality of support columns 2, the lower ends of the plurality of support columns 2 are detachably assembled on the forklift, the upper ends of the plurality of support columns 2 are connected with the top guard frame 3, and the number of the support columns 2 is not limited. In the embodiments, the number of the support columns 2 is four, the four support columns 2 are oppositely arranged and respectively arranged at four corners of the top guard frame 3, can play a good stability, the forklift is fixedly provided with a plurality of mounting bases 1 which are same in number with the support columns 2, a positioning block 4 is mounted on the mounting base 1, a limiting cavity 5 is formed in the lower end of the support column 2, the limiting cavity 5 is provided with the positioning block 4, the cross section of the positioning block 4 is in the shape of T, the limiting cavity 5 is matched with the positioning block 4, can ensure that the positioning block 4 can smoothly enter the inside of the limiting cavity 5 in the process of moving the support column 2, realize the limitation of the position of the support column 2, achieve the effect of limiting clamping, make the support column 2 unable to move in the vertical direction, and further, the limiting structure for limiting the movement of the support column 2 is mounted on the positioning block 4, by pressing the limiting structure, the separation of the support column 2 and the mounting base 1 can be realized, and by releasing the limiting structure, the fixing of the support column 2 and the mounting base 1 can be realized.

[0024] Please refer to Figure 4 In one embodiment, preferably, a clamping groove is formed in the inner wall of the limiting cavity 5, the clamping groove is located above the limiting cavity 5 and communicates with the limiting cavity 5, the inside of the clamping groove is matched with the end of the limiting plate 7, and the movement of the support column 2 in the horizontal direction can be limited when the limiting plate 7 enters the clamping groove.

[0025] Please refer to Figure 3In an embodiment, preferably, the number of limiting structures is four, and the four limiting structures are grouped into two, and the pressing plates 9 on each group of limiting structures are connected by connecting rods, which ensures that when the operator exerts pressure on any pressing plate 9 or its connecting rod, the two connected pressing plates can move up and down at the same time; the limiting structure includes an elastic element 6 fixed inside the positioning block 4, and one end of the elastic element 6 is connected with the limiting plate 7, and the elastic element 6 is a spring, the limiting plate 7 is respectively provided with a clamping block 8 and a pressing plate 9, and the positioning block 4 is respectively provided with a through hole and a sliding groove, wherein the inner diameter of the through hole is matched with the outer diameter of the clamping block 8, so that the clamping block 8 can smoothly pass through the through hole, and secondly, the sliding groove is matched with the pressing plate 9, and the pressing plate 9 can move along the length direction of the sliding groove, when the pressing plate 9 is at the lowermost position of the sliding groove, the position of the clamping block 8 is separated from the inside of the clamping groove, when the positioning block 4 is located in the limiting cavity 5, the spring is in the initial state, and the two ends of the clamping block 8 are respectively located in the clamping groove and the inside of the positioning block 4, which can effectively fix the positioning block 4 and the support column 2.

[0026] Please refer to Figure 2 In an embodiment, preferably, the upper end of the support column 2 is movably provided with a guide rod 10, the guide rod 10 is connected with the top protection frame 3, and the top protection frame 3 is provided with a height adjusting structure.

[0027] Please refer to Figure 2 In an embodiment, preferably, the upper end of the support column 2 is movably provided with a guide rod 10, the guide rod 10 is connected with the top protection frame 3, and the top protection frame 3 is provided with a height adjusting structure.

[0028] Please refer to Figure 2In one embodiment, in the embodiment, preferably, the height adjusting structure comprises a connecting plate 11, two ends of the connecting plate 11 are connected with two support columns 2 respectively, two push rods 12 are installed on the upper surface of the connecting plate 11, a rotating piece 13 is installed on the roof support 3, the end of the rotating piece 13 is connected with a bidirectional threaded rod 14, the other end of the bidirectional threaded rod 14 is rotationally connected with the inner wall of the roof support 3, the bidirectional threaded rod 14 can be synchronously rotated by rotating the rotating piece 13, so that the two moving blocks 15 on the bidirectional threaded rod 14 are synchronously contracted or synchronously expanded, when the two moving blocks 15 are contracted, the position of the roof support 3 is lowered, when the two moving blocks 15 are expanded, the position of the roof support 3 is raised, the ends of the two push rods 12 are provided with the moving blocks 15 sleeved on the bidirectional threaded rod 14, the two ends of the push rod 12 are movably connected with the connecting plate 11 and the moving block 15, the movable connection design can ensure that the push rod 12 is relatively fixed and can also rotate to a certain extent, so that the angle of the push rod 12 can be adjusted.

[0029] The working principle and use process of the utility model are as follows: when the equipment is used, the mounting base 1 can be mounted on the forklift through bolts, when the support column 2 and the roof support 3 are disassembled, the two side pressing plates 9 can be pressed, when the pressing plate 9 drives the limiting plate 7 to move downwards, the limiting plate 7 can extrude the elastic element 6, and the limiting plate 7 can drive the clamping block 8 to disengage from the clamping groove in the limiting cavity 5, when the support column 2 is not hindered, the support column 2 can be pushed to move forward and disengage from the positioning block 4, so that the disassembly is convenient, when the installation and fixation are carried out, the support column 2 can be limited to slide at the positioning block 4 on the mounting base 1, the pressing plate 9 is loosened, the limiting plate 7 and the clamping block 8 are reset under the pushing of the elastic element 6, and the clamping block 8 can be clamped in the clamping groove to fix and limit the support column 2; when the use height of the roof support 3 is adjusted, the rotating piece 13 can be rotated to drive the bidirectional threaded rod 14 to operate, when the bidirectional threaded rod 14 rotates, the bidirectional threaded rod 14 can drive the two side moving blocks 15 to move, when the two side moving blocks 15 move outward at the same time, the inclination angle of the push rod 12 changes, since the position of the connecting block 11 is fixed, at this time, the roof support 3 moves upward, the roof support 3 can stably move under the sliding support of the guide rod 10 in the support column 2, the use height of the roof support 3 can be adjusted and used, when the bidirectional threaded rod 14 is rotated in the opposite direction, the two side moving blocks 15 move inward, the moving block 15 can pull the roof support 3 to move downward through the push rod 12, the use height is lowered, and the use can be adjusted according to the use condition.

[0030] Although the present specification is described in terms of embodiments, not every embodiment exhibits every characteristic or implements every combination of features described in the specification. In addition, the description of the specification is not meant to bind the inventors to a particular interpretation of the description. Rather, the specification is meant to provide a number of examples of embodiments of the present application and the description is merely exemplary of the principles of the application. Accordingly, the scope of the present application is not meant to be limited to the embodiments described in the specification. Rather, the scope of the present application is meant to include any embodiment falling within the scope of the claims.

[0031] The above description is merely illustrative of the embodiments of the present application and is not intended to limit the scope of the application. Rather, the scope of the present application is meant to encompass any variations that can become apparent to one of ordinary skill in the art once given the benefit of this disclosure.

Claims

1. A forklift overhead guard, characterized in that, It includes multiple support columns (2), the lower ends of which can be detachably mounted on a forklift, and the upper ends of the multiple support columns (2) are connected to the top guard (3); the lower end of each support column (2) has a limiting cavity (5), and the limiting cavity (5) is provided with a positioning block (4), and a limiting structure for limiting the movement of the support column (2) is installed on the positioning block (4).

2. The forklift overhead guard according to claim 1, characterized in that, The forklift is fixedly installed with multiple mounting bases (1) of the same number as the support column (2), and the positioning block (4) is fixedly installed on the mounting base (1).

3. The forklift overhead guard according to claim 1, characterized in that, The cross-section of the positioning block (4) is "T" shaped.

4. The forklift overhead guard according to claim 1, characterized in that, The inner wall of the limiting cavity (5) is provided with a slot.

5. The forklift overhead guard according to claim 4, characterized in that, The limiting structure includes an elastic element (6), which is fixed inside the positioning block (4), and one end of the elastic element (6) is connected to the limiting plate (7). The surface of the limiting plate (7) is respectively equipped with a locking block (8) and a pressure plate (9).

6. The forklift overhead guard according to claim 5, characterized in that, The positioning block (4) is provided with through holes and sliding grooves respectively.

7. The forklift overhead guard according to claim 1, characterized in that, A guide rod (10) is movably installed at the upper end of the support column (2). The guide rod (10) is connected to the top support frame (3). An adjustable height structure is installed on the top support frame (3).

8. The forklift overhead guard according to claim 7, characterized in that, The upper end of the support column (2) is provided with a movable groove, and the guide rod (10) is located inside the movable groove. The inner diameter of the opening of the movable groove is smaller than the outer diameter of the end of the guide rod (10).

9. The forklift overhead guard according to claim 8, characterized in that, The height adjustment structure includes a connecting plate (11), with its two ends connected to two support columns (2) respectively. Two push rods (12) are installed on the upper surface of the connecting plate (11). A rotating part (13) with its end inserted into the top support frame (3) is installed on the top support frame (3). The end of the rotating part (13) is connected to a bidirectional threaded rod (14). The other end of the bidirectional threaded rod (14) is rotatably connected to the inner wall of the top support frame (3). The ends of the two push rods (12) are each fitted with a moving block (15) sleeved on the bidirectional threaded rod (14).

10. The forklift overhead guard according to claim 9, characterized in that, Both ends of the push rod (12) are movably connected to the connecting plate (11) and the moving block (15).

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