Foldable working table of overhead working truck

Abstract

A foldable working table of an overhead working truck comprises outer sleeve rear side plates, inner insertion rear side plates, side plates, an outer sleeve bottom plate, an inner insertion bottom plate, an outer sleeve front side plate and an inner insertion front side plate, the two inner insertion rear side plates are hinged through a hinge plate, the inner insertion rear side plates are inserted into the outer sleeve rear side plates in a sliding mode, and the side plates are hinged to the outer side edges of the outer sleeve rear side plates. The other side edge of the side plate is rotatably connected with a bolt, the other side edge of the side plate is detachably connected with the outer sleeve front side plate through the bolt, the bottom of the outer sleeve rear side plate is hinged to an outer sleeve bottom plate, the outer sleeve bottom plate is in sliding insertion connection with inner insertion bottom plates, the two inner insertion bottom plates are rotatably connected, the outer sleeve bottom plate is hinged to the outer sleeve front side plate, and the outer sleeve front side plate is in sliding insertion connection with the inner insertion front side plate. The two inner insertion front side plates are hinged through a hinge plate. A nested sliding structure of the inner sleeve and the outer sleeve is adopted, and a linkage folding mechanism of the hinged plate is combined, so that unfolding or folding actions of the side plates and the bottom plate are synchronously completed, independent operation on all parts one by one is not needed, the size is greatly reduced after folding, and transportation and storage are facilitated.

Description

Technical Field

[0001] This utility model relates to the field of aerial work platforms, and in particular to a foldable work platform for aerial work platforms. Background Technology

[0002] Aerial work platforms, as important engineering machinery, are widely used in high-altitude operations in construction, power, and municipal industries. Their work platforms, as the core component supporting operators and tools, must combine safety, stability, and convenience. Traditional aerial work platform work platforms mostly adopt fixed structures or simple folding designs. However, in practical applications, existing folding work platforms often rely on multiple independent hinges and bolts for fixation, requiring manual operation of each hinge individually during unfolding and folding, which is cumbersome and inefficient, especially in emergency operations or frequent relocation scenarios. Some folding work platforms use single-layer sheet metal splicing, lacking linkage support between the side panels and the base plate after unfolding, resulting in insufficient overall rigidity, easy wobbling, and potential safety hazards. Summary of the Invention

[0003] This utility model aims to address the shortcomings of existing technologies by providing a foldable work platform for aerial work vehicles.

[0004] To achieve the above objectives, this utility model adopts the following technical solution:

[0005] A foldable work platform for an aerial work vehicle includes an outer rear side panel, an inner rear side panel, a side panel, an outer bottom panel, an inner bottom panel, an outer front side panel, and an inner front side panel. The two inner rear side panels are hinged together by a hinge plate. The inner rear side panel is slidably inserted into the outer rear side panel. The outer side of the outer rear side panel is hinged to the side panel. The other side of the side panel is rotatably connected to a pin. The other side of the side panel is detachably connected to the outer front side panel by a pin. The bottom of the outer rear side panel is hinged to the outer bottom panel. The outer bottom panel is slidably inserted into the inner bottom panel. The two inner bottom panels are rotatably connected. The outer bottom panel is hinged to the outer front side panel. The outer front side panel is slidably inserted into the inner front side panel. The two inner front side panels are hinged together by a hinge plate.

[0006] The outer sides of the two outer jacket front panels are connected to insertion tubes, and the pins can be detachably inserted into the insertion tubes.

[0007] The upper and lower edges of the outer back panel and the outer front panel are connected to outer sleeves, and the upper and lower edges of the inner back panel and the inner front panel are connected to inner sleeves. The inner sleeves are slidably inserted into the outer sleeves. An opening slit is provided on the outer sleeve along the radial direction. The inner back panel and the inner front panel slide within the opening slit. One end of the inner sleeve inserted into the outer sleeve is connected to an anti-detachment block. The bottom side of the lower outer sleeve is connected with hinged sleeves at intervals. A connecting shaft is inserted into the hinged sleeve. The outer back panel and the outer front panel are hinged to the outer bottom panel through the connecting shaft.

[0008] The hinge plate includes a crossbar, a first longitudinal bar, a second longitudinal bar, and a third longitudinal bar. The top and bottom ends of the first, second, and third longitudinal bars are connected as a whole by the crossbar. A left hinge block is rotatably sleeved on the first longitudinal bar. The left hinge block is connected to the inner rear side plate and the inner front side plate on the left side of the hinge plate. A right hinge block is rotatably sleeved on the third longitudinal bar. The right hinge block is connected to the inner rear side plate and the inner front side plate on the right side of the hinge plate.

[0009] The anti-detachment block is a wedge-shaped elastic rubber block with its inclined surface facing the inside of the outer tube. When the inner tube is inserted into the outer tube, the anti-detachment block is deformed by pressure and forms an interference fit with the inner wall of the outer tube.

[0010] The left and right hinge blocks are embedded with self-lubricating bearings, which are clearance-fitted with the first and third longitudinal rods, and the outer surfaces of the left and right hinge blocks are provided with anti-slip textures.

[0011] The inner insertion base plate has multiple insertion holes on its front and rear sides. A retaining ring is detachably connected to each insertion hole, and the inner insertion base plate is locked to the inner insertion tube by the retaining ring.

[0012] The beneficial effects of this utility model are as follows: This utility model adopts a nested sliding structure of inner and outer sleeves, combined with the linkage folding mechanism of the hinge plate, so that the unfolding or folding action of the side plate and the bottom plate is completed simultaneously, without the need to operate each component individually. The volume is greatly reduced after folding, which facilitates transportation and storage. The hinge plate adopts a frame design of horizontal bars and multiple vertical bars, combined with the distributed load bearing of the left and right hinge blocks, to form a stable triangular support structure, effectively dispersing the working load, reducing swaying, and improving the overall torsional stiffness. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the connection structure between the inner tube and the outer tube of this utility model;

[0015] Figure 3 This is a schematic diagram of the hinge plate structure of this utility model;

[0016] Figure 4 for Figure 1 A magnified view of a portion of point A in the middle.

[0017] In the diagram: 1-Inner rear side plate; 2-Outer rear side plate; 3-Hinge plate; 31-First longitudinal rod; 32-Second longitudinal rod; 33-Third longitudinal rod; 34-Left hinge block; 35-Right hinge block; 36-Horizontal rod; 4-Side plate; 41-Pin; 5-Outer front side plate; 51-Insertion tube; 6-Outer bottom plate; 7-Inner front side plate; 8-Inner bottom plate; 9-Inner tube; 91-Anti-detachment block; 10-Outer tube; 101-Hinge sleeve; 102-Connecting shaft; 11-Snap ring;

[0018] The following will describe in detail the embodiments of this utility model with reference to the accompanying drawings. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0020] A foldable work platform for an aerial work vehicle includes an outer rear side panel 2, an inner rear side panel 1, a side panel 4, an outer bottom panel 6, an inner bottom panel 8, an outer front side panel 5, and an inner front side panel 7. The two inner rear side panels 1 are hinged together by a hinge plate 3. The inner rear side panels 1 are slidably inserted into the outer rear side panel 2. The outer side of the outer rear side panel 2 is hinged to the side panel 4. The other side of the side panel 4 is rotatably connected to a pin 41. The other side of the side panel 4 is detachably connected to the outer front side panel 5 by the pin 41. The bottom of the outer rear side panel 2 is hinged to the outer bottom panel 6. The outer bottom panel 6 is slidably inserted into the inner bottom panel 8. The two inner bottom panels 8 are rotatably connected. The outer bottom panel 6 is hinged to the outer front side panel 5. The outer front side panel 5 is slidably inserted into the inner front side panel 7. The two inner front side panels 7 are hinged together by a hinge plate 3.

[0021] The outer sides of the two outer front panels 5 are connected to the insertion tubes 51, and the pins 41 can be detachably inserted into the insertion tubes 51.

[0022] The upper and lower edges of the outer back panel 2 and the outer front panel 5 are connected to outer sleeves 10. The upper and lower edges of the inner back panel 1 and the inner front panel 7 are connected to inner tubes 9. The inner tubes 9 are slidably inserted into the outer sleeves 10. An opening slit is provided on the outer sleeve 10 along the radial direction. The inner back panel 1 and the inner front panel 7 slide within the opening slit. One end of the inner tube 9 inserted into the outer sleeve 10 is connected to an anti-detachment block 91. The bottom side of the lower outer sleeve 10 is connected with a hinged sleeve 101 at intervals. A connecting shaft 102 is inserted into the hinged sleeve 101. The outer back panel 2 and the outer front panel 5 are hinged to the outer bottom panel 6 through the connecting shaft 102.

[0023] The hinge plate 3 includes a crossbar 36, a first longitudinal bar 31, a second longitudinal bar 32, and a third longitudinal bar 33. The top and bottom ends of the first longitudinal bar 31, the second longitudinal bar 32, and the third longitudinal bar 33 are connected as a whole by the crossbar 36. A left hinge block 34 is rotatably sleeved on the first longitudinal bar 31. The left hinge block 34 is connected to the inner rear side plate 1 and the inner front side plate 7 on the left side of the hinge plate 3. A right hinge block 35 is rotatably sleeved on the third longitudinal bar 33. The right hinge block 35 is connected to the inner rear side plate 1 and the inner front side plate 7 on the right side of the hinge plate 3.

[0024] The anti-detachment block 91 is a wedge-shaped elastic rubber block. The inclined surface of the anti-detachment block 91 faces the inside of the outer tube 10. When the inner tube 9 is inserted into the outer tube 10, the anti-detachment block 91 is deformed by pressure and forms an interference fit with the inner wall of the outer tube 10.

[0025] The left hinge block 34 and the right hinge block 35 are embedded with self-lubricating bearings. The self-lubricating bearings are in clearance fit with the first longitudinal rod 31 and the third longitudinal rod 33. The outer surfaces of the left hinge block 34 and the right hinge block 35 are provided with anti-slip textures.

[0026] The inner insertion base plate 8 has multiple insertion holes on its front and rear sides. A retaining ring 11 is detachably connected to each insertion hole, and the inner insertion base plate 8 is locked to the inner insertion tube 9 through the retaining ring 11.

[0027] When this utility model is unfolded, the two inner insert rear side plates 1 are unfolded through the hinge plate 3. The inner insert front side plate 5 and the inner insert rear side plate slide out from the outer front side plate 5 and the outer rear side plate 2, respectively. The inner insert bottom plate 8 slides out from the outer bottom plate 6. The inner insert bottom plate 8 and the outer bottom plate 6 are flipped downward to a horizontal position. The inner insert front side plate 7 and the outer front side plate 5 are flipped upward to a vertical position. The side plate 4 connected to the outer rear side plate 2 is rotated out. When the side plate 4 is perpendicular to the outer rear side plate 2 and the outer front side plate 5, the pin 41 is rotated so that the pin 41 is inserted into the insert tube 51, connecting the outer rear side plate 2, the side plate 4 and the outer front side plate 5. Then the inner insert bottom plate 8 is connected and locked to the inner insert rear side plate 1 and the inner insert front side plate 7 through the retaining ring 11.

[0028] When folding and retracting, first unfasten the retaining ring 11 and rotate the pin 41 out from the insertion tube 51. Disconnect the connection between the inner insertion bottom plate 8 and the inner insertion front side plate 7 and the inner insertion rear side plate 1, as well as the connection between the side plate 4 and the outer front side plate 5. Rotate and fold the side plate 4 until it overlaps with the outer rear side plate 2. Insert the two inner insertion rear side plates 1 into the two outer rear side plates 2, insert the two inner insertion front side plates 7 into the two inner insertion front side plates 5, and insert the inner insertion bottom plate 8 into the outer bottom plate 6. Then flip the two outer bottom plates 6 upward to a vertical position, and then rotate the two outer front side plates 5 downward to flip the outer front side plates 5 into a vertical position. Then overlap the connecting plates on both sides through the hinge plate 3.

[0029] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0030] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0031] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0032] The present invention has been described above with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any improvements made using the inventive concept and technical solution of the present invention, or direct application to other situations without modification, are all within the protection scope of the present invention.

Claims

1. A foldable work platform for an aerial work vehicle, characterized in that, The outer cover includes a rear panel (2), an inner rear panel (1), a side panel (4), an outer cover bottom panel (6), an inner bottom panel (8), an outer cover front panel (5), and an inner front panel (7). The two inner rear panels (1) are hinged together by a hinge plate (3). The inner rear panel (1) is slidably inserted into the outer cover rear panel (2). The outer side of the outer cover rear panel (2) is hinged to the side panel (4). The other side of the side panel (4) is rotatably connected to a pin (41). The other side of the plate (4) is detachably connected to the front side plate (5) of the outer jacket via a pin (41). The bottom of the rear side plate (2) of the outer jacket is hinged to the bottom plate (6). The bottom plate (6) of the outer jacket is slidably connected to the inner bottom plate (8). The two inner bottom plates (8) are rotatably connected. The bottom plate (6) of the outer jacket is hinged to the front side plate (5). The front side plate (5) of the outer jacket is slidably connected to the inner front side plate (7). The two inner front side plates (7) are hinged via a hinge plate (3).

2. The foldable work platform for an aerial work vehicle according to claim 1, characterized in that, The outer sides of the two outer front panels (5) are connected to a connector (51), and the pin (41) can be detachably inserted into the connector (51).

3. The foldable work platform for an aerial work vehicle according to claim 2, characterized in that, The upper and lower sides of the outer back panel (2) and the outer front panel (5) are connected to outer tubes (10), and the upper and lower sides of the inner back panel (1) and the inner front panel (7) are connected to inner tubes (9). The inner tubes (9) are slidably inserted into the outer tubes (10). An opening slit is provided on the outer tubes (10) along the radial direction. The inner back panel (1) and the inner front panel (7) slide in the opening slit. One end of the inner tube (9) inserted into the outer tube (10) is connected to an anti-detachment block (91). The bottom side of the lower outer tube (10) is connected to a hinged sleeve (101) at intervals. A connecting shaft (102) is inserted into the hinged sleeve (101). The outer back panel (2) and the outer front panel (5) are hinged to the outer bottom panel (6) through the connecting shaft (102).

4. The foldable work platform for an aerial work vehicle according to claim 3, characterized in that, The hinge plate (3) includes a crossbar (36), a first longitudinal bar (31), a second longitudinal bar (32) and a third longitudinal bar (33). The top and bottom ends of the first longitudinal bar (31), the second longitudinal bar (32) and the third longitudinal bar (33) are connected as one unit by the crossbar (36). A left hinge block (34) is rotatably sleeved on the first longitudinal bar (31). The left hinge block (34) is connected to the inner rear side plate (1) and the inner front side plate (7) on the left side of the hinge plate (3). A right hinge block (35) is rotatably sleeved on the third longitudinal bar (33). The right hinge block (35) is connected to the inner rear side plate (1) and the inner front side plate (7) on the right side of the hinge plate (3).

5. A foldable work platform for an aerial work vehicle according to claim 4, characterized in that, The anti-detachment block (91) is a wedge-shaped elastic rubber block. The inclined surface of the anti-detachment block (91) faces the inside of the outer tube (10). When the inner tube (9) is inserted into the outer tube (10), the anti-detachment block (91) is deformed by pressure and forms an interference fit with the inner wall of the outer tube (10).

6. A foldable work platform for an aerial work vehicle according to claim 5, characterized in that, The left hinge block (34) and the right hinge block (35) are embedded with self-lubricating bearings. The self-lubricating bearings are in clearance fit with the first longitudinal rod (31) and the third longitudinal rod (33). The outer surfaces of the left hinge block (34) and the right hinge block (35) are provided with anti-slip textures.

7. A foldable work platform for an aerial work vehicle according to claim 6, characterized in that, The inner insertion base plate (8) has multiple insertion holes on its front and rear sides. A retaining ring (11) is detachably connected in the insertion hole. The inner insertion base plate (8) is locked to the inner insertion tube (9) through the retaining ring (11).

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