Foldable scaffold

Abstract

The utility model provides a foldable scaffold, which relates to the technical field of scaffolds and comprises stand columns, a lower-layer foldable supporting frame and an upper-layer foldable supporting frame, the upper-layer foldable supporting frame comprises lantern rings, sleeves, connecting columns, supporting columns and connecting plates, and rollers are arranged at the lower ends of the connecting plates; a detachable bearing structure is arranged at the upper ends of an unfolded lower-layer folding supporting frame and an unfolded upper-layer folding supporting frame for bearing, detachable parts of the detachable bearing structure are detached, supporting columns on the two corresponding sides of the folding supporting frames are overturned downwards to be in a vertical state through hinges at the two ends during folding, and the four stand columns are close to one another; the lower-layer folding supporting frame is folded to the lower ends of the supporting columns on the two sides in the vertical state, the connecting plates with the rollers at the lower ends are supported on the ground, the rollers on the connecting plates roll on the ground, overall conveying of the device is facilitated, meanwhile, overall disassembly is not needed, and time consumption caused by disassembly and assembly is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a scaffold technical field especially a foldable scaffold. BACKGROUND

[0002] Scaffold is a tool often used in construction, which generally comprises two supports, a bearing plate arranged between the two supports, and a reinforcing member between the two supports. A construction worker can climb the scaffold to the bearing plate to improve the working height and facilitate the construction. After the construction at a certain place is completed, the scaffold needs to be moved to the next place. After the entire construction is completed, the scaffold needs to be removed.

[0003] The current scaffold is simply welded and fixed, which is large in size and inconvenient to transport. There are also detachable scaffolds, which can greatly reduce the size after being disassembled. However, the number of transportation targets increases after disassembly, and transportation is still inconvenient. In addition, disassembly is time-consuming, and the scaffold needs to be reassembled for use. SUMMARY

[0004] The utility model discloses a foldable scaffold, which has the advantages of convenient overall transportation and avoiding time-consuming disassembly and assembly. The technical problem of the current scaffold, which is large in size and inconvenient to transport, and the time-consuming disassembly and reassembly of the scaffold is solved.

[0005] The utility model provides a foldable scaffold, which comprises:

[0006] The four upright columns form a rectangle.

[0007] A lower folding support frame is fixedly assembled at the lower end of the four upright columns.

[0008] An upper folding support frame is fixedly assembled at the upper end of the four upright columns.

[0009] The lower folding support frame and the upper folding support frame have the same structure, and the upper folding support frame comprises:

[0010] A sleeve is fixedly assembled on the outer wall of the upright column by bolts, and a sleeve is fixedly assembled on the front and rear and left and right side walls of the sleeve.

[0011] Two connecting columns are fixedly assembled on the two sides of the inner corner of the rectangle formed by the four upright columns by bolts.

[0012] A support column is hingedly connected to the inner side end of the connecting column, and a connecting plate with a roller at the lower end is hingedly connected between the inner side ends of adjacent support columns.

[0013] The lower folding support frame and the upper folding support frame are synchronously folded.

[0014] The lower layer folding support frame is folded, and the lower end of the connecting plate with the roller supports the ground.

[0015] The upper surfaces of the lower layer folding support frame and the upper layer folding support frame are both equipped with detachable load-bearing structures.

[0016] As a further optimization, in order to support the ground with the rollers of the device after folding, the device is moved by the rollers around the periphery, facilitating transfer, the connecting plate with the rollers comprises:

[0017] The connecting plate body is hinged at both ends to the inner side ends of the adjacent support columns;

[0018] The connecting plate body is fixedly equipped with rollers on the left and right sides of the bottom surface.

[0019] As a further optimization, in order to provide two operating spaces above and below, improving the practicality of the device, a first operating space is formed between the upper and lower load-bearing structures;

[0020] The position above the upper load-bearing structure is a second operating space.

[0021] As a further optimization, in order to provide a support plane when used as a scaffold, supporting the weight of the human body, the load-bearing structure comprises:

[0022] The rectangular plate is integrally formed with a strip-shaped plate in the middle of the front, back, left, and right;

[0023] The upper surfaces of the lower layer folding support frame and the upper layer folding support frame are uniformly provided with screw holes;

[0024] The bottom surface of the strip-shaped plate is attached to the same side of the upper surfaces of the lower layer folding support frame and the upper layer folding support frame;

[0025] The strip-shaped plate is penetrated by a fixed bolt corresponding to the screw hole, and the lower end of the fixed bolt is screwed into the corresponding screw hole.

[0026] As a further optimization, in order to wrap and fix the middle part of the folded device, so that the device remains folded, it is more convenient for transfer or storage, recesses are provided in the middle of the outer side of the rectangle formed by the four columns;

[0027] The four recesses are wrapped with a rope.

[0028] As a further optimization, in order to improve the contact area with the ground and improve the stability of the device, the lower end of the column is fixedly equipped with a support plate;

[0029] The lower end of the outer wall of the column is fixedly equipped with a lifting type ground plug in the longitudinal direction;

[0030] The through hole is arranged on the lower end of the support plate corresponding to the lifting type ground insertion.

[0031] As a further optimization, in order to lower the iron vertical rod to drive the conical head to pass through the through hole and insert into the ground for fixation when needed, the lifting type ground insertion comprises:

[0032] The horizontal plate is fixedly assembled at the lower end of the vertical column outer wall.

[0033] The iron vertical rod is longitudinally arranged through the horizontal plate, and the lower end of the iron vertical rod is provided with a conical head.

[0034] The tip of the conical head is downward.

[0035] The cross-sectional size of the through hole is greater than the cross-sectional size of the conical head and the iron vertical rod.

[0036] As a further optimization, in order to facilitate the adsorption and positioning of the iron vertical rod in the U-shaped groove, the lifting type ground insertion is limited at the lower end of the vertical column outer wall when the lifting type ground insertion is not needed, the U-shaped groove is fixedly assembled above the horizontal plate, and the U-shaped groove is located above the horizontal plate.

[0037] The opening of the U-shaped groove faces the front side, and a magnetic sheet is fixedly attached to the inner wall of the U-shaped groove.

[0038] The outer wall of the iron vertical rod is inserted and adsorbed and fixed in the U-shaped groove.

[0039] As a further optimization, in order to prevent slipping when gripping the upper end of the iron vertical rod, the outer wall of the iron vertical rod is coated with a non-slip layer.

[0040] As a further optimization, in order to facilitate the disassembly and replacement of the conical head, the upper end of the conical head is screwed to the lower end of the iron vertical rod.

[0041] The conical head is specifically an alloy sharp head.

[0042] The utility model discloses a foldable scaffold, compared with the prior art, has the following improvements and advantages:

[0043] The device is fixed with a lower layer of folding support frame at the lower end of the outer wall of four rectangular distributed columns, is fixed with an upper layer of folding support frame at the upper end of the outer wall of four rectangular distributed columns, is provided with a detachable load-bearing structure at the upper end of the unfolded lower layer of folding support frame and the upper layer of folding support frame to bear load, the detachable load-bearing structure can be disassembled, the lower layer of folding support frame and the upper layer of folding support frame are folded synchronously, the two side support columns corresponding to the folding support frame are turned down to a vertical state through the hinges at both ends when folding, the four columns are close to each other, so that the overall volume of the device is reduced, the connecting plate with rollers at the lower end of the two side support columns of the lower layer of folding support frame supports the ground, and the device is conveniently transported on the ground through the rollers thereon, without the need of overall disassembly, so that time-consuming caused by disassembly and assembly is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0044] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0045] Figure 1 It is a structural schematic diagram of the present application;

[0046] Figure 2 It is a structural schematic diagram of the present application after the detachable disassembly of the detachable load-bearing structure;

[0047] Figure 3 It is a structural schematic diagram of the present application after the detachable disassembly of the detachable load-bearing structure and folding;

[0048] Figure 4 It is a structural schematic diagram of the present application with connecting plate with rollers at the lower end;

[0049] Figure 5 It is a structural schematic diagram of the present application with lifting type ground plug.

[0050] Explanation of reference signs:

[0051] 1-column, 2-lower layer of folding support frame, 3-upper layer of folding support frame, 31-sleeve ring, 32-sleeve, 33-connection column, 34-support column, 35-connecting plate with rollers at the lower end, 351-connecting plate main body, 352-roller, 4-detachable load-bearing structure, 41-rectangular plate, 42-strip plate, 43-screw hole, 44-fixing bolt, 5-supporting plate, 6-lifting type ground plug, 61-cross plate, 62-conical head, 63-iron vertical rod, 64-U-shaped groove body, 65-magnetic sheet, 66-through hole, 7-groove. DETAILED DESCRIPTION

[0052] The technical solutions of the utility model will be described below in conjunction with the embodiments. Obviously, the described embodiments are only some of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0053] In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0054] In the description of the utility model, it needs to be understood that the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited. In addition, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0055] Please refer to Figures 1-5 The utility model provides technical scheme: a foldable scaffold, comprising:

[0056] The four upright columns 1 form a rectangle;

[0057] The four upright columns 1 are fixedly assembled with lower layer folding support frames 2 at the lower ends;

[0058] The four upright columns 1 are fixedly assembled with upper layer folding support frames 3 at the upper ends;

[0059] The lower layer folding support frames 2 and the upper layer folding support frames 3 improve the connection strength.

[0060] The lower folding support frame 2 and the upper folding support frame 3 are structurally identical, and the upper folding support frame 3 comprises:

[0061] The sleeve 32 is fixedly assembled on the front and rear and left and right side walls of the sleeve 31, and the sleeve 31 is fixedly assembled on the outer wall of the stand 1 by bolts. The sleeve 31 is longitudinally arranged on the outer wall of the stand 1, and a corresponding screw hole is arranged on the outer wall of the stand 1 to further improve the fixing strength. The height of the sleeve 31 on the outer wall of the stand 1 can be adjusted, and the heights of the four sleeves 31 are synchronously adjusted.

[0062] The four sleeves 32 on the two sides of the rectangular inner corner formed by the four stands 1 are fixedly assembled with connecting columns 33 by bolts.

[0063] The connecting column 33 is hingedly connected with a support column 34, and a connecting plate 35 with a roller at the lower end is hingedly connected between the inner side ends of adjacent support columns 34. The hinged connection structure comprises a hinge plate and a hinge seat, the hinge plate is inserted into the hinge seat, a screw rod penetrates through the hinge plate and the hinge seat, and nuts are screwed on both ends of the screw rod. The degree of screwing of the nuts keeps the hinge plate rotatable in the hinge seat.

[0064] The lower folding support frame 2 and the upper folding support frame 3 are synchronously folded.

[0065] The connecting plate 35 with a roller at the lower end on the lower folding support frame 2 supports the ground after being folded.

[0066] The upper surfaces of the lower folding support frame 2 and the upper folding support frame 3 are both assembled with detachable load-bearing structures 4. The unfolded lower folding support frame 2 and the upper folding support frame 3 can be reinforced by the detachable load-bearing structures 4, so that the fixed detachable load-bearing structures 4 can be used to bear the weight of the human body.

[0067] In some embodiments, in order to support the ground with the rollers 352 of the device after being folded, the device is moved by the rollers 352 around the periphery, which facilitates transfer. The connecting plate 35 with a roller comprises:

[0068] The connecting plate body 351 is hingedly connected with the inner side ends of adjacent support columns 34 at both ends.

[0069] The rollers 352 are fixedly assembled on the bottom surface of the connecting plate body 351 on both sides.

[0070] In some embodiments, in order to provide two operating spaces above and below and improve the practicability of the device, a first operating space is formed between the upper and lower load-bearing structures 4.

[0071] The position above the upper load-bearing structure 4 is a second operating space, and both operating spaces can be used for standing and working.

[0072] In some embodiments, in order to provide a support plane for use as a scaffold, support human weight, the load-bearing structure 4 comprises:

[0073] A rectangular plate 41 is integrally formed with a strip-shaped plate 42 at the front, back, left and right middle parts, and the rectangular plate 41 is used for standing people;

[0074] The upper surfaces of the lower folding support frame 2 and the upper folding support frame 3 are uniformly provided with screw holes 43;

[0075] The bottom surface of the strip-shaped plate 42 is attached to the same side of the upper surfaces of the lower folding support frame 2 and the upper folding support frame 3;

[0076] The strip-shaped plate 42 is penetrated by a fixed bolt 44 corresponding to the screw hole 43, and the lower end of the fixed bolt 44 is screwed into the corresponding screw hole 43. The rectangular plate 41, the strip-shaped plate 42 and the fixed bolt 44 are detachable components of the load-bearing structure 4.

[0077] In some embodiments, in order to wrap and fix the middle part of the folded device, so that the device remains folded and is more convenient to transfer or store, recesses 7 are provided in the middle part of the rectangular outer side surrounded by the four columns 1;

[0078] Ropes are wound in the four recesses 7.

[0079] In some embodiments, in order to improve the stability of the device by increasing the contact area with the ground, a support plate 5 is fixedly assembled at the lower end of the column 1 to increase the contact area with the ground;

[0080] A lifting ground plug 6 is fixedly assembled at the lower end of the outer wall of the column 1 in the longitudinal direction;

[0081] A through hole 66 is provided in the upper surface of the support plate 5 corresponding to the lower end of the lifting ground plug 6, and the lower end of the lifting ground plug 6 is lowered to pass through the through hole 66 and is inserted into the ground for fixation.

[0082] In some embodiments, in order to lower the iron vertical rod 63 to drive the conical head 62 to pass through the through hole 66 and be inserted into the ground for fixation when needed, the lifting ground plug 6 comprises:

[0083] A horizontal plate 61 is fixedly assembled at the lower end of the outer wall of the column 1;

[0084] An iron vertical rod 63 is longitudinally penetrated through the horizontal plate 61, and a conical head 62 is assembled at the lower end of the iron vertical rod 63;

[0085] The tip of the conical head 62 faces downward;

[0086] The cross-sectional size of the through hole 66 is larger than the cross-sectional size of the conical head 62 and the iron vertical rod 63.

[0087] In some embodiments, in order to facilitate the adsorption positioning of the iron vertical rod 63 in the U-shaped groove body 64, the lifting ground plug 6 is limited at the lower end of the outer wall of the stand 1 without using the lifting ground plug 6, and the U-shaped groove body 64 is fixedly assembled at the lower end of the outer wall of the stand 1 and located above the horizontal plate 61;

[0088] The opening of the U-shaped groove body 64 faces the front side, and the inner wall of the U-shaped groove body 64 is fixedly attached with a magnetic sheet 65;

[0089] The outer wall of the iron vertical rod 63 is inserted and adsorbed in the U-shaped groove body 64.

[0090] In some embodiments, in order to prevent slipping when gripping the upper end of the iron vertical rod 63, a non-slip layer is coated on the outer wall of the upper end of the iron vertical rod 63.

[0091] In some embodiments, in order to facilitate the disassembly and replacement of the conical head 62, the conical head 62 is screwed to the lower end of the iron vertical rod 63.

[0092] The conical head 62 is specifically an alloy sharp head.

[0093] Working principle:

[0094] The device is fixed with a lower layer of folding support frame 2 at the lower end of the outer wall of the four rectangularly distributed stands 1, and is fixed with an upper layer of folding support frame 3 at the upper end of the outer wall of the four rectangularly distributed stands 1, and is provided with a detachable load-bearing structure 4 at the upper end of the unfolded lower layer of folding support frame 2 and the upper layer of folding support frame 3 for bearing, and the detachable part of the lower layer of folding support frame 2 and the upper layer of folding support frame 3 are synchronously folded, and the two side support columns 34 corresponding to the folding support frame are turned down to the vertical state by the hinges at both ends when folding, the four stands 1 are close to each other, so that the overall volume of the device is reduced, and the lower end of the lower end of the two side support columns 34 of the lower layer of folding support frame 2 folded to the vertical state is supported by the connecting plate 35 with rollers at the lower end, and the rollers 352 thereon roll on the ground to facilitate the overall transportation of the device.

[0095] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A foldable scaffold characterized by, Include: The column (1) has four, four said column (1) into a rectangle; Four said column (1) lower end fixed assembly with lower layer folding support frame (2); Four said column (1) upper end fixed assembly with upper layer folding support frame (3); The lower layer folding support frame (2) and upper layer folding support frame (3) are the same structure, and the upper layer folding support frame (3) comprises: The sleeve ring (31) is fixedly assembled on the outer wall of the column (1) by bolts, and the sleeve ring (31) is fixedly assembled with sleeve (32) on the front and rear and left and right side walls. Four said sleeve (32) in the corner of the rectangle surrounded by four said column (1) is fixedly assembled with connecting column (33) by bolts. The inner side of the connecting column (33) is hinged with a support column (34), and the inner side of the adjacent support column (34) is hinged with a connecting plate (35) with a roller at the lower end. The lower layer folding support frame (2) and upper layer folding support frame (3) are folded synchronously. The connecting plate (35) with a roller on the lower layer folding support frame (2) supports the ground after folding. The upper surface of the lower layer folding support frame (2) and upper layer folding support frame (3) is provided with a detachable bearing structure (4).

2. A foldable scaffold according to claim 1, wherein, The connecting plate (35) with a roller comprises: The connecting plate main body (351) is hinged at both ends with the inner side of the adjacent support column (34). The bottom surface of the connecting plate main body (351) is fixedly assembled with a roller (352) on both sides.

3. The foldable scaffold of claim 1, wherein, The first operation space is formed between the upper and lower bearing structures (4). The upper side of the bearing structure (4) is the second operation space.

4. A foldable scaffold according to claim 3, wherein, The bearing structure (4) comprises: The rectangular plate (41) is integrally formed with a strip plate (42) at the middle of the front, rear, left and right; The upper surface of the lower layer folding support frame (2) and upper layer folding support frame (3) is uniformly provided with a screw hole (43); The bottom surface of the strip plate (42) is attached to the same side of the upper surface of the lower layer folding support frame (2) and upper layer folding support frame (3); The strip plate (42) is penetrated by a fixed bolt (44) corresponding to the screw hole (43), and the lower end of the fixed bolt (44) is screwed into the corresponding screw hole (43).

5. The foldable scaffold of claim 1, wherein, Four said column (1) surrounding the rectangular outer side middle part is provided with a groove (7); Four said groove (7) is wound with a rope.

6. The foldable scaffold of claim 1, wherein, The lower end of the column (1) is fixedly assembled with a support plate (5); The lower end of the outer wall of the column (1) is fixedly assembled with a lifting type ground plug (6); The upper surface of the support plate (5) is provided with a through hole (66) corresponding to the lower end of the lifting type ground plug (6).

7. A foldable scaffold according to claim 6, wherein, The lifting type ground plug (6) comprises: The horizontal plate (61) is fixedly assembled on the lower end of the outer wall of the column (1); The horizontal plate (61) is longitudinally penetrated by an iron vertical rod (63), and the lower end of the iron vertical rod (63) is provided with a conical head (62); The tip of the conical head (62) points downward; The cross-sectional dimension of the through hole (66) is greater than that of the conical head (62) and the iron vertical rod (63).

8. A foldable scaffold according to claim 7, wherein, The lower end of the outer wall of the column (1) is fixedly provided with a U-shaped groove body (64), and the U-shaped groove body (64) is located above the horizontal plate (61); The opening of the U-shaped groove body (64) faces the front side, and a magnetic sheet (65) is fixedly attached to the inner wall of the U-shaped groove body (64); The outer wall of the iron vertical rod (63) is inserted and adsorptively fixed in the U-shaped groove body (64).

9. A foldable scaffold according to claim 8, wherein, The outer wall of the iron vertical rod (63) is coated with an anti-skid layer at the upper end.

10. The foldable scaffold of claim 7, wherein, The conical head (62) is screwed at the lower end of the iron vertical rod (63); The conical head (62) is specifically an alloy sharp head.

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