Protective structure

Abstract

The utility model provides a protective structure which comprises a working table and a guardrail, a connecting piece is arranged on the working table, a connecting hole is formed in the connecting piece and extends in the vertical direction, a rotating shaft is arranged on the guardrail, and the rotating shaft is connected with the working table. The rotating shaft is rotatably connected with the connecting hole so that the guardrail can be rotatably installed on the workbench, the rotating shaft can move up and down at the connecting hole, the guardrail can rotate to a protection state or a folded state relative to the workbench, a limiting groove with an upward opening is formed in the connecting piece, and the limiting groove is located in the limiting groove. Limiting columns are arranged on the guardrails, and when the guardrails rotate to the protection state, the limiting columns are clamped in the limiting grooves so as to limit rotation of the guardrails. And the guardrail can be rotated to a folded state relative to the workbench so as to be convenient to carry.

Description

Technical Field

[0001] The utility model relates to the technical field of construction protection, in particular to a protection structure. Background Art

[0002] When painting walls or performing construction at a certain height, a lifting workbench is often required to lift workers to a certain height. However, the lifting structure does not have a guardrail, so the safety of workers at high altitudes cannot be effectively guaranteed, which is prone to safety accidents. In addition, the existing guardrail structure is fixed and cannot be folded and stored. Instead, the guardrail structure often needs to be moved to different construction locations for operation, which makes it very inconvenient to carry and move, and inconvenient for users to use. Utility Model Content

[0003] The utility model solves one of the problems existing in the existing related technologies to a certain extent. To this end, one purpose of the utility model is to provide a protective structure, which can rotate the guardrail relative to the workbench to a folded state to facilitate transportation.

[0004] The above purpose is achieved through the following technical solutions:

[0005] A protective structure includes a workbench and a guardrail, wherein a connecting piece is provided on the workbench, a connecting hole is provided on the connecting piece, and the connecting hole is extended in a vertical direction, a rotating shaft is provided on the guardrail, the rotating shaft can be rotatably connected to the connecting hole so that the guardrail can be rotatably installed on the workbench, and the rotating shaft can move up and down at the connecting hole, and the guardrail can be rotated relative to the workbench to a protective state or a folded state, a limiting groove with an upward opening is provided on the connecting piece, and a limiting column is provided at the guardrail, and when the guardrail is rotated to the protective state, the limiting column is clamped in the limiting groove to limit the rotation of the guardrail.

[0006] As a further improvement of the utility model, it also includes a limit piece, which is rotatably connected to the connecting piece, and the limit piece includes an engaging limit portion, which extends toward the direction of the limit column. When the limit column is engaged in the limit groove, the engaging limit portion engages with the limit column to limit the limit column from being separated from the limit groove.

[0007] As a further improvement of the present utility model, the guardrail includes a first guardrail and a second guardrail, the first guardrail is at one end close to the workbench, and the second guardrail is at one end away from the workbench, the first guardrail is rotatably connected to the workbench, and the second guardrail is rotatably connected to the first connecting member.

[0008] As a further improvement of the present invention, it also includes a rotating connection component, forming a cavity inside the first guardrail and the second guardrail, the lower end of the second guardrail is inserted into the cavity of the first guardrail, one end of the rotating connection component is connected to the first guardrail, and the other end is connected to the second guardrail, so as to rotatably connect the first guardrail and the second guardrail together.

[0009] As a further improvement of the present invention, the rotating connection assembly includes a first connection part, a second connection part and a third connection part, the first connection part is connected to the first guardrail, and the end of the first connection part is rotatably connected to one end of the second connection part, the other end of the second connection part is rotatably connected to one end of the third connection part, and the other end of the third connection part is fixedly connected to the second guardrail.

[0010] As a further improvement of the utility model, it also includes a fixing screw, a sliding hole is formed on the first connecting portion, the fixing screw can be slidably installed in the sliding hole, and the fixing screw is fixedly connected to the first guardrail.

[0011] As a further improvement of the present invention, it further comprises an abutment member, which is mounted on the second guardrail. When the lower end of the second guardrail is inserted into the cavity of the first guardrail, the abutment member abuts against the first guardrail.

[0012] As a further improvement of the utility model, it also includes a support leg, which is rotatably connected to the workbench, and the support leg can be rotated relative to the workbench to a supporting state or a folded state.

[0013] As a further improvement of the utility model, it also includes a bracket, a locking column is provided on the workbench, one end of the bracket is rotatably connected to the support leg, and the other end is locked on the locking column to form a triangular support structure between the workbench, the bracket and the support leg.

[0014] Compared with the prior art, the present invention has at least the following beneficial effects:

[0015] 1. The utility model proposes a protective structure, wherein the guardrail can be rotated relative to the workbench to a protective state or a folded state. When the guardrail is rotated to the protective state, the rotating shaft is located at a position near the lower end of the connecting hole, and the limit column is clamped in the limit groove to limit the rotation of the guardrail, that is, to limit the guardrail from changing from the protective state to the folded state; when the guardrail needs to be folded, the guardrail is lifted upward so that the limit column is disengaged from the limit groove, and at this time the rotating shaft moves upward to a position near the upper end of the connecting hole, and at this time the guardrail can be rotated relative to the workbench, so that the guardrail can be rotated to the folded state. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a structural schematic diagram of a protective structure in an embodiment;

[0017] Figure 2 is another structural schematic diagram of a protective structure in the embodiment;

[0018] Figure 3 yes Figure 2 The enlarged view of point A in the middle;

[0019] Figure 4 yes Figure 2 The enlarged view of point B in the middle;

[0020] Figure 5 is another structural schematic diagram of a protective structure in the embodiment;

[0021] Figure 6 yes Figure 5 Enlarged view of point C in the middle;

[0022] Figure 7 is another structural schematic diagram of a protective structure in an embodiment;

[0023] Figure 8 yes Figure 7 The enlarged view of point D in the middle;

[0024] Fig. 9 is a schematic diagram of the structure of the guardrail in the folded state in the embodiment;

[0025] Fig.10 yes Fig. 9 Enlarged view of point E in the middle;

[0026] Fig.11 is a schematic structural diagram of a rotating connection assembly in an embodiment;

[0027] Fig.12 is another structural schematic diagram of the guardrail in the embodiment in a folded state;

[0028] Fig.13 is a cross-sectional view of the guardrail in the folded state in the embodiment;

[0029] Fig.14 yes Fig.13 The enlarged view of F in the middle;

[0030] Fig.15 is a structural schematic diagram of the guardrail protection state in the embodiment;

[0031] Fig.16 yes Fig.15 Enlarged view of G in the middle;

[0032] Fig.17is another structural schematic diagram of the guardrail in the folded state in the embodiment;

[0033] Fig.18 is a structural schematic diagram of a protective structure in an embodiment;

[0034] Fig.19 is a structural schematic diagram of a protective structure in an embodiment;

[0035] Fig. 20 is a schematic structural diagram of the support foot in the embodiment;

[0036] Fig.21 Schematic diagram of the local structure of the support foot in the embodiment. DETAILED DESCRIPTION

[0037] The following examples illustrate the present invention, but the present invention is not limited by these examples. Modifications to the specific implementation of the present invention or equivalent replacement of some technical features without departing from the spirit of the present invention should be included in the scope of the technical solution claimed for protection in the present invention.

[0038] like Figure 1-21 A protective structure 100 includes a workbench 1 and a guardrail 2, wherein a connecting member 11 is provided on the workbench 1, a connecting hole 111 is provided on the connecting member 11, and the connecting hole 111 is extended in the vertical direction, a rotating shaft 21 is provided on the guardrail 2, the rotating shaft 21 can be rotatably connected to the connecting hole 111 so that the guardrail 2 can be rotatably installed on the workbench 1, and the rotating shaft 21 can move up and down at the connecting hole 111, the guardrail 2 can be rotated relative to the workbench 1 to a protective state or a folded state, a limiting groove 112 with an upward opening is provided on the connecting member 11, and a limiting column 22 is provided at the guardrail 2, when the guardrail 2 is rotated to the protective state, the limiting column 22 is clamped in the limiting groove 112 to limit the rotation of the guardrail 2.

[0039] The utility model proposes a guardrail 2, which can be rotated to a protective state or a folded state relative to the workbench 1. When the guardrail 2 is rotated to the protective state, the rotating shaft 21 is located at a position close to the lower end of the connecting hole 111, and the limiting column 22 is clamped in the limiting groove 112 to limit the rotation of the guardrail 2, that is, to limit the guardrail 2 from changing from the protective state to the folded state; when the guardrail 2 needs to be folded, the guardrail 2 is lifted upward so that the limiting column 22 is disengaged from the limiting groove 112, and at this time the rotating shaft 21 moves upward to a position close to the upper end of the connecting hole 111, and at this time the guardrail 2 can be rotated relative to the workbench 1, so that the guardrail 2 can be rotated to the folded state.

[0040] When it is necessary to protect the construction workers during the construction process, the guardrail 2 is rotated relative to the workbench 1 to a protective state for effective protection; when the guardrail 2 needs to be transported, the guardrail 2 can be rotated relative to the workbench 1 to a folded state for easy transportation.

[0041] When the guardrail 2 is rotated to a protective state relative to the workbench 1, an angle of 90°±10° is formed between the guardrail 2 and the workbench 1; when the guardrail 2 is rotated to a folded state relative to the workbench 1, the guardrail 2 is laid flat on the workbench 1, that is, the guardrail 2 is parallel to the workbench 1.

[0042] In this embodiment, the limiting groove 112 is formed by being recessed downward at the upper end surface of the connecting member 11 , that is, the limiting groove 112 is also extended in the vertical direction.

[0043] In this embodiment, avoidance spaces are formed at the lower ends of the left and right ends of the guardrail 2, and the connecting member 11 is installed on the workbench 1, and the guardrail 2 avoids the connecting member 11 through the avoidance spaces. A connecting column is formed by extending downward from the lower end of the guardrail 2, and the rotating shaft 21 and the limiting column 22 are provided at the connecting column.

[0044] It also includes a limiting member 23, which is rotatably connected to the connecting member 11, and includes a clamping limiting portion 231, which extends toward the limiting column 22. When the limiting column 22 is clamped in the limiting groove 112, the clamping limiting portion 231 is clamped with the limiting column 22 to limit the limiting column 22 from being separated from the limiting groove 112. The guardrail 2 is prevented from folding relative to the workbench 1 during construction, and the guardrail 2 is also prevented from folding relative to the workbench 1 during transportation, thereby ensuring the safety of construction.

[0045] In this embodiment, a torsion spring is further provided at the limiting member 23 , so as to keep the engaging limiting portion 231 of the limiting member 23 always extending toward the limiting column 22 through the torsion spring.

[0046] The guardrail 2 includes a first guardrail 201 and a second guardrail 202. The first guardrail 2 is at one end close to the workbench 1, and the second guardrail 2 is at one end away from the workbench 1. The first guardrail 201 is rotatably connected to the workbench 1, and the second guardrail 202 is rotatably connected to the first connecting member 11.

[0047] In this embodiment, the height of the guardrail 2 is 1.2-1.6 meters. The width of the workbench 1 is 0.4-0.8 meters. In order to ensure that the guardrail 2 does not exceed the width of the guardrail 2 too much when the guardrail 2 is rotated relative to the workbench 1 to the folded state, so as to facilitate storage and transportation, the guardrail 2 is divided into a first guardrail 201 and a second guardrail 202, and the second guardrail 202 can be relatively rotated relative to the first guardrail 201 to fold the guardrail 2 for storage.

[0048] It also includes a rotating connection component 3, a cavity is formed inside the first guardrail 201 and the second guardrail 202, the lower end of the second guardrail 202 is inserted into the cavity of the first guardrail 201, one end of the rotating connection component 3 is connected to the first guardrail 201, and the other end is connected to the second guardrail 202, so as to rotatably connect the first guardrail 201 and the second guardrail 202 together.

[0049] When the guardrail 2 is in a protective state, the first guardrail 201 rotates to a state perpendicular to the workbench 1, and the lower end of the second guardrail 202 is inserted in the cavity of the first guardrail 201, so that the first guardrail 201 and the second guardrail 202 are in a state of extending vertically upward; when the guardrail 2 is in a folded state, the first guardrail 201 rotates to be laid flat on the workbench 1, parallel to the workbench 1, the second guardrail 202 is pulled out of the cavity of the first guardrail 201, and the second guardrail 202 is rotated relative to the first guardrail 201 by rotating the connecting component 3, so as to rotate the second guardrail 202 to the top of the first guardrail 201, so that the second guardrail 202 is laid flat above the first guardrail 201 to be folded up.

[0050] The rotating connection assembly 3 includes a first connection part 31, a second connection part 32 and a third connection part 33. The first connection part 31 is connected to the first guardrail 201, and the end of the first connection part 31 is rotatably connected to one end of the second connection part 32, the other end of the second connection part 32 is rotatably connected to one end of the third connection part 33, and the other end of the third connection part 33 is fixedly connected to the second guardrail 202.

[0051] A fixing screw is also included. A sliding hole 311 is formed on the first connecting portion 31 . The fixing screw is passed through the sliding hole 311 , and the fixing screw is fixedly connected to the first guardrail 201 .

[0052] In this embodiment, the sliding hole 311 extends from the first connecting portion 31 to an end close to the second connecting portion 32 .

[0053] When the guardrail 2 is in the protection state, the second guardrail 202 is inserted on the first guardrail 201, and the fixing screw is located near the upper end of the slide hole 311; when the guardrail 2 is in the folded state, the first guardrail 201 is laid flat on the workbench 1, and when the second guardrail 202 is pulled out from the first guardrail 201, the fixing screw is located near the lower end of the slide hole 311, so that the second guardrail 202 can be pulled out and folded relative to the first guardrail 201. By rotating the connection of the connecting assembly 3, the effect of pulling the second guardrail 202 out of the first guardrail 201 and folding it up is achieved.

[0054] It also includes abutment 4, which is installed on the second guardrail 202. When the lower end of the second guardrail 202 is inserted into the cavity of the first guardrail 201, the abutment 4 abuts against the first guardrail 201 to limit the position of the second guardrail 202 at the first guardrail 201 and prevent the second guardrail 202 from moving downward at the first guardrail 201.

[0055] In this embodiment, the abutment member 4 includes an abutment portion 41. The second guardrail 202 is provided with a mounting hole 24. The abutment member 4 is mounted on the second guardrail 202, and the abutment portion 41 extends downward toward the mounting hole and is inserted into the mounting hole 24. When the lower end of the second guardrail 202 is inserted into the cavity of the first guardrail 201, the abutment portion 41 abuts against the first guardrail 201, limiting the insertion depth of the second guardrail 202 into the first guardrail 201.

[0056] The workbench 1 further comprises a support leg 5 , wherein the support leg 5 is rotatably connected to the workbench 1 , and the support leg 5 can be rotated relative to the workbench 1 to a supporting state or a folded state.

[0057] In this embodiment, steps are further provided at the supporting feet 5 , and construction workers climb onto the workbench 1 via the steps to complete the work.

[0058] In this embodiment, the height of the support legs 5 is 1.2-1.5 m, so as to raise the height of the workbench 1 .

[0059] In this embodiment, when construction is carried out, the support leg 5 can be rotated to a supporting state relative to the workbench 1 to lift the workbench 1; when the guardrail 2 needs to be stored or transported, the support leg 5 can be rotated to a folded state to save space and facilitate transportation.

[0060] It also includes a bracket 6, and a locking column 7 is provided on the workbench 1. One end of the bracket 6 is rotatably connected to the support leg 5, and the other end can be locked on the locking column 7 to form a triangular support structure between the workbench 1, the bracket 6 and the support leg 5.

[0061] In this embodiment, the engaging column 7 is extended outward from the side wall of the workbench 1, that is, the engaging column is fixedly connected to the workbench.

[0062] In this embodiment, the bracket 6 is tilted, one end of the bracket 6 is connected to the support leg 5, and the other end is engaged with the workbench 1, so that during construction, a triangular support structure is formed between the workbench 1, the bracket 6 and the support leg 5 for stable support. When the guardrail 2 needs to be stored or transported, the bracket 6 is disengaged from the engaging column 7 so that the support leg 5 can be rotated relative to the workbench 1 to fold the support leg 5.

[0063] The support leg 5 includes a first support leg 51 and a second support leg 52, wherein the first support leg 51 is on the left side of the workbench 1, and the second support leg 52 is on the right side of the workbench 1, and the first support leg 51 is arranged to extend obliquely from top to bottom to the left, and the second support leg 52 is arranged to extend obliquely from top to bottom to the right, so as to provide stable support.

[0064] The first support leg 51 includes a first front support leg and a first rear support leg, a step is provided between the first front support leg and the first rear support leg, and the first front support leg is extended from top to bottom to the left and forward, and the first rear support leg is extended from top to bottom to the left and backward;

[0065] The second supporting leg 52 includes a second front supporting leg and a second rear supporting leg, a step is provided between the second front supporting leg and the second rear supporting leg, and the second front supporting leg extends from top to bottom to the right and forward, and the second rear supporting leg extends from top to bottom to the right and backward.

[0066] In this embodiment, a clamping groove 61 is formed at the bracket 6 , and the clamping groove 61 is used for clamping and connecting with the clamping column 7 .

[0067] In some embodiments, the workbench further includes an abutment column 8, which is arranged beside the locking column 7, and the abutment column 8 is arranged in cooperation with the locking column and the bracket. When the bracket 6 is locked with the locking column 7, the abutment column 8 abuts against the bracket 6 to limit the bracket from being separated from the locking column. The abutment column 8 is installed on the workbench so as to be movable forward and backward. When the abutment column 8 extends outward from the workbench and the bracket 6 is locked with the locking column 7, the abutment column 8 abuts against the bracket; when the bracket 6 needs to be separated from the locking column, the abutment column 8 can be retracted inward so that the bracket can be separated from the locking column 7.

[0068] In this embodiment, the guardrail 2 is installed at the front edge of the workbench 1. In some embodiments, a detachable fence 25 is further included, and a mounting socket 13 is provided at the rear edge of the workbench 1, and the detachable fence 25 is detachably connected to the mounting socket 13. When the construction is carried out, the detachable fence 25 can be installed at the mounting socket 13 to form a standing area between the detachable fence 25 and the guardrail; when the guardrail 2 needs to be carried, the detachable fence can be removed from the mounting socket 13.

[0069] In some embodiments, Fig.19 , a first fixing hook 91 is provided at the guardrail, and a second fixing hook 92 is provided on the detachable fence. It also includes a protection chain 93, one end of the protection chain 93 is connected to the first fixing hook 91, and the other end is connected to the second fixing hook 92, so that when the construction workers stand on the workbench, a protection area is formed at the workbench to prevent the risk of the construction workers falling and ensure the safety of construction. And there is a first hook at the position of the protection chain facing the first fixing hook 91, the first hook is hung on the first fixing hook 91, and the protection chain and the first fixing hook 91 are detachably connected; there is a second hook at the position of the protection chain facing the second fixing hook 92, the second hook is hung on the second fixing hook 92, and the protection chain and the second fixing hook 92 are detachably connected.

[0070] The above-mentioned preferred implementation modes should be regarded as illustrative examples of the implementation modes of the present application scheme. Any technical deductions, replacements, improvements, etc. that are identical or similar to the present application scheme or made based on this scheme should be regarded as within the scope of protection of this patent.

Claims

1. A protective structure, characterized in that: It includes a workbench and a guardrail, wherein a connecting piece is provided on the workbench, a connecting hole is provided on the connecting piece, and the connecting hole is extended in a vertical direction, a rotating shaft is provided on the guardrail, the rotating shaft can be rotatably connected to the connecting hole so that the guardrail can be rotatably installed on the workbench, and the rotating shaft can move up and down at the connecting hole, and the guardrail can be rotated relative to the workbench to a protective state or a folded state, a limiting groove with an upward opening is provided on the connecting piece, and a limiting column is provided at the guardrail, and when the guardrail is rotated to the protective state, the limiting column is clamped in the limiting groove to limit the rotation of the guardrail.

2. A protective structure according to claim 1, characterized in that: It also includes a limiting member, which is rotatably connected to the connecting member. The limiting member includes an engaging limiting portion, which extends toward the limiting column. When the limiting column is engaged in the limiting groove, the engaging limiting portion engages with the limiting column to limit the limiting column from being separated from the limiting groove.

3. A protective structure according to claim 1, characterized in that: The guardrail includes a first guardrail and a second guardrail, the first guardrail is at one end close to the workbench, and the second guardrail is at one end away from the workbench, the first guardrail is rotatably connected to the workbench, and the second guardrail is rotatably connected to the connecting piece.

4. A protective structure according to claim 3, characterized in that: It also includes a rotating connection component, which forms a cavity inside the first guardrail and the second guardrail, and the lower end of the second guardrail is inserted into the cavity of the first guardrail. One end of the rotating connection component is connected to the first guardrail, and the other end is connected to the second guardrail, so as to rotatably connect the first guardrail and the second guardrail together.

5. A protective structure according to claim 4, characterized in that: The rotating connection assembly includes a first connection part, a second connection part and a third connection part, the first connection part is connected to the first guardrail, and the end of the first connection part is rotatably connected to one end of the second connection part, the other end of the second connection part is rotatably connected to one end of the third connection part, and the other end of the third connection part is fixedly connected to the second guardrail.

6. A protective structure according to claim 5, characterized in that: It also includes a fixing screw. A sliding hole is formed on the first connecting portion. The fixing screw can be slidably installed in the sliding hole, and the fixing screw is fixedly connected to the first guardrail.

7. A protective structure according to claim 4, characterized in that: It also includes an abutment member, which is installed on the second guardrail. When the lower end of the second guardrail is inserted into the cavity of the first guardrail, the abutment member abuts against the first guardrail.

8. A protective structure according to claim 1, characterized in that: It also includes a support leg, which is rotatably connected to the workbench, and the support leg can be rotated relative to the workbench to a supporting state or a folded state.

9. A protective structure according to claim 8, characterized in that: It also includes a bracket, a locking column is provided on the workbench, one end of the bracket is rotatably connected to the support leg, and the other end is locked on the locking column to form a triangular support structure between the workbench, the bracket and the support leg.

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