Photovoltaic support capable of being unfolded and folded

Abstract

The utility model provides a foldable photovoltaic support, which comprises a first plate body, a second plate body, a third plate body and a flat plate support, the head of the flat plate support is hinged to the tail of the first plate body, the lower end of the first plate body is hinged to a first connecting rod, the lower end of the flat plate support is hinged to a second connecting rod, and the end parts of the first connecting rod and the second connecting rod are mutually hinged; a hinge piece is hinged to the upper end of the head of the flat plate support, the head of the second plate body is hinged to the end of the hinge piece, and a bottom plate is arranged on the flat plate support. The third plate body is arranged on the flat plate support in a sliding fit mode, the contact face of the head of the third plate body and the tail of the second plate body is an inclined face, and when the third plate body slides inwards, the second plate body can be jacked up and slides to the lower end of the second plate body so that folding can be achieved. The photovoltaic support capable of being unfolded and folded is compact in structure, high in strength, capable of achieving rapid folding and unfolding, capable of fully protecting the photovoltaic panel and long in service life.

Description

Technical Field

[0001] The utility model relates to a photovoltaic bracket, in particular to a photovoltaic bracket that can be deployed and retracted. Background Art

[0002] In the context of accelerating global clean energy application, the photovoltaic industry, as one of the ways to develop and utilize renewable energy, has received key support from national industrial policies and high attention from local governments. With the development of the photovoltaic industry, the land for photovoltaic projects is becoming increasingly tight, and how to maximize the use and adapt to on-site land conditions has become a difficult problem for the photovoltaic industry.

[0003] In the photovoltaic industry, photovoltaic panels are usually laid over a large area to increase the area receiving sunlight. Photovoltaic panels are laid through brackets, and traditional brackets are usually fixed structures that cannot be folded. Once extreme weather occurs, the photovoltaic panels are easily damaged, which is not conducive to the protection of photovoltaic devices. Utility Model Content

[0004] [1] Technical issues to be solved

[0005] The technical problem to be solved by the utility model is to provide a photovoltaic bracket which is compact in structure, can be quickly folded, and is safe and reliable to use.

[0006] 【2】Technical solutions to solve the problem

[0007] The utility model provides a retractable photovoltaic bracket, comprising a first plate body 2, a second plate body 4, a third plate body 5 and a flat plate bracket 3, wherein the head of the flat plate bracket 3 is hinged to the tail of the first plate body 2, the lower end of the first plate body 2 is hinged with a first connecting rod 71, the lower end of the flat plate bracket 3 is hinged with a second connecting rod 72, the ends of the first connecting rod 71 and the second connecting rod 72 are hinged to each other to form a four-link structure and can be unfolded or folded; the upper end of the head of the flat plate bracket 3 is hinged with a hinge 6, the head of the second plate body 4 is hinged to the end of the hinge 6, and the flat plate bracket 3 is provided with a bottom plate 31 for contacting with the lower end of the second plate body 4 and supporting it when unfolded; the third plate body 5 is slidably fitted on the flat plate bracket 3, the contact surface between the head of the third plate body 5 and the tail of the second plate body 4 is an inclined surface, and when the third plate body 5 slides inwardly, it can lift up the second plate body 4 and slide to the lower end of the second plate body 4 to achieve folding.

[0008] Furthermore, a hinge seat 11 is hinged at the head of the first plate body 2 for connecting with a fixing bracket.

[0009] Furthermore, first support rods 1 are fixed to both sides of the first plate body 2 , and the first connecting rod 71 is hinged to the first support rod 1 .

[0010] Furthermore, second support rods are fixed on both sides of the bottom plate 31 , the second connecting rod 72 is hinged on the second support rods, and the third plate body 5 is slidably fitted between the two second support rods.

[0011] Furthermore, a first contact block 41 is provided at the tail of the second plate body 4, and a first inclined guide surface inclined downward is provided on the first contact block 41; a second contact block 51 is provided at the head of the third plate body 5, and a second inclined guide surface for contacting the first inclined guide surface and lifting the second plate body is provided on the second contact block 51.

[0012] Furthermore, a plurality of reinforcing rods are mounted on the lower surface of the bottom plate 31 .

[0013] Furthermore, a protrusion is provided on the inner side of the second bracket rod 3 to form a guide block 32, and a side wall of the third plate body 5 is provided with a guide groove 50 for accommodating the guide block 32 to be inserted and slided, and a limiting portion 52 for sliding limiting is provided at the end of the guide groove 50.

[0014] Furthermore, the hinge 6 is strip-shaped and has a runway-shaped cross section.

[0015] Furthermore, a plurality of first slots 61 and second slots 62 are respectively provided on both sides of the hinge 6, a first lug which can be inserted into the first slot 61 is provided on the flat panel bracket 3, and the first lug is connected to the first slot 61 through a first pin shaft, and a second lug 42 which can be inserted into the second slot 62 is provided on the head of the second plate body, and the second lug is connected to the second slot through a second pin shaft.

[0016] 【3】Beneficial effects

[0017] The retractable photovoltaic bracket of the utility model is provided with a folding mechanism, which can realize the folding or unfolding of the first plate body and the flat plate bracket, and the operation is convenient and labor-saving. The overall volume can be greatly reduced after folding, and the photovoltaic panel can be fully protected in extreme weather; the sliding connection of the third plate body, combined with the movable connection of the second plate body, can realize single-layer unfolding and double-layer folding, increase the light-receiving area when unfolded, and reduce the volume when folded; the retractable photovoltaic bracket of the utility model has a compact structure and high strength, can realize rapid folding and unfolding, can fully protect the photovoltaic panel, and has a long service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the retractable photovoltaic bracket of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the retractable photovoltaic bracket of the utility model from another angle;

[0020] Figure 3 It is a schematic diagram of the structure of the connecting rod of the retractable photovoltaic support of the utility model;

[0021] Figure 4 It is a side view of the retractable photovoltaic support of the utility model;

[0022] Figure 5 It is a cross-sectional view of the retractable photovoltaic bracket of the utility model;

[0023] Figure 6 for Figure 5 Enlarged view of part A in the middle;

[0024] Figure 7 for Figure 5 Enlarged view of middle part B;

[0025] Figure 8 It is a structural schematic diagram of the guide block of the retractable photovoltaic support of the utility model;

[0026] Fig. 9 It is a structural schematic diagram of the guide groove of the retractable photovoltaic support of the utility model;

[0027] Fig.10 This is a schematic diagram of the folded state of the expandable photovoltaic support of the utility model;

[0028] Fig.11 for Fig.10 Enlarged view of middle C;

[0029] Fig.12 It is a structural schematic diagram of the hinged member of the retractable photovoltaic support of the utility model;

[0030] Fig.13 for Fig.12 Enlarged view of part D in the middle. DETAILED DESCRIPTION

[0031] The following is a detailed description of the embodiments of the present utility model in conjunction with the accompanying drawings.

[0032] See also Figure 1-Figure 12The utility model provides a retractable photovoltaic bracket, which includes a first plate body 2, a second plate body 4, a third plate body 5 and a flat plate bracket 3. The first plate body 2, the second plate body 4, the third plate body 5 and the flat plate bracket 3 are all rectangular plate structures. A hinge seat 11 is hinged at the head of the first plate body 2, and the hinge seat 11 is used to connect with the fixed bracket. The head of the flat plate bracket 3 is hinged at the tail of the first plate body 2, and a first connecting rod 71 is hinged at the lower end of the first plate body 2. At the same time, a second connecting rod 72 is hinged at the lower end of the flat plate bracket 3. The ends of the first connecting rod 71 and the second connecting rod 72 are hinged to each other, thereby forming a four-link structure, which can be unfolded or folded, assembled, and assembled. When the first connecting rod and the second connecting rod are connected to the rod body, support is achieved; in this embodiment, a first connecting rod is provided on both sides of the first plate body 2, and a second connecting rod is provided on both sides of the flat plate bracket 3, so as to improve the overall strength; in order to further improve the structural strength, in this embodiment, a first support rod 1 is fixed on both sides of the first plate body 2, and the first support rod 1 is a profile, and its length direction is parallel to the length direction of the first plate body, and the first connecting rod 71 is hinged on the first support rod 1; a second support rod is fixed on both sides of the bottom plate 31, and the second support rod is a profile, and its length direction is parallel to the length direction of the flat plate bracket, and the second connecting rod 72 is hinged on the second support rod.

[0033] A hinge 6 is hinged at the upper end of the head of the flat panel bracket 3, and the rotation direction of the hinge is parallel to the rotation axis of the flat panel bracket 3, and the head of the second plate body 4 is hinged at the end of the hinge 6, and the rotation axis of the second plate body is parallel to the rotation axis of the hinge. At the same time, a base plate 31 is provided on the flat panel bracket 3, and when unfolded, the lower end of the second plate body 4 contacts the base plate 31, thereby supporting the second plate body; specifically, the hinge 6 is a strip, and its length direction is parallel to the rotation axis of the flat panel bracket. The cross-section of the hinge is a runway type or an elliptical shape, and two axial holes are penetrated at both ends of the hinge, which are respectively used to connect the flat panel bracket and the second plate body, and there is a certain distance between the two axial holes to ensure that when folded, the second plate body can move up and provide sufficient space for the third plate body.

[0034] In order to improve the connection strength, in the present embodiment, a first groove body 61 and a second groove body 62 are respectively provided on both sides of the hinge 6, and the first groove body and the second groove body are both multiple and are arranged along the length direction of the hinge. At the same time, a first lug 32 is provided on the flat plate bracket 3, and the first lug 32 can be inserted into the first groove body 61, and the first lug is connected to the first groove body 61 through a first pin shaft, thereby realizing the hinge between the hinge and the flat plate bracket; a second lug 42 that can be inserted into the second groove body 62 is provided at the head of the second plate body, and the second lug is connected to the second groove body through a second pin shaft, thereby realizing the hinge between the hinge and the second plate body; in the present embodiment, the first lug and the second lug are both U-shaped and are sheet (plate)-like structures, and holes are provided on the first lug and the second lug for installing the pin shaft; the width (cross-sectional direction) of the hinge is the same as the thickness of the second plate body, refer to Figure 6 The length of the hinge (cross-sectional direction) is the same as the thickness of the second plate and the third plate. Fig.11 .

[0035] The third plate body 5 is slidably mounted on the flat plate bracket 3. The third plate body is parallel to the bottom plate, and its sliding direction is parallel to the length direction of the bottom plate. When unfolded, the third plate body is located at the tail of the second plate body, and the two are located on the same plane; at the same time, the contact surface between the head of the third plate body 5 and the tail of the second plate body 4 is an inclined surface. When the third plate body 5 slides inward (toward the second plate body), the third plate body can lift up the second plate body 4, and then can slide to the lower end of the second plate body 4 to achieve folding; specifically, the tail of the second plate body 4 is provided with a first contact block 41, the cross section of the first contact block is triangular, and a first inclined guide surface inclined downward is provided on the first contact block 41, and the angle between the first inclined guide surface and the bottom plate is 40 degrees-60 degrees. At the same time, a second contact block 51 is provided at the head of the third plate body 5, and a second inclined guide surface inclined upward is provided on the second contact 51, and the inclination angle of the second inclined guide surface is the same as the inclination angle of the first inclined guide surface, which can contact with the first inclined guide surface and can lift the second plate body, thereby enabling the third plate body to slide to the bottom of the second plate body to achieve folding.

[0036] The third plate body 5 is slidably fitted between the two second bracket rods. Specifically, protrusions are symmetrically arranged on the inner sides of the two second bracket rods to form guide blocks 32. There are one or more guide blocks. At the same time, a guide groove 50 is provided on the side wall of the third plate body 5. The guide groove is in a strip shape and is parallel to the length direction of the third plate body. The guide groove can accommodate the guide block 32 to be inserted, thereby realizing sliding fitting. At the same time, a limiting portion 52 is provided at the end of the guide groove 50. The limiting portion 52 is used to limit the sliding of the third plate body.

[0037] In order to improve the compactness of the structure, especially the volume in the folded state, the length of the second plate body is smaller than that of the third plate body, and the length of the flat panel bracket is substantially the same as that of the third plate body. When unfolded, the tail portion of the third plate body extends outside the flat panel bracket, and when folded, the third plate body completely slides into the flat panel bracket, that is, after folding, the end of the third plate body is substantially flush with the end of the flat panel bracket.

[0038] During assembly, the hinge seat 11 is installed on the fixed frame, and the ends of the first connecting rod and the second connecting rod are hinged to a rotatable rod body of the fixed frame. At the same time, a driving rod is arranged on the fixed frame. The driving rod can be automatic (cylinder) or manual (hand-cranked screw). The end of the driving rod is hinged to the first plate body, which is used to drive the tail of the first plate body to rotate up and down, thereby realizing the folding and gathering of the first plate body and the flat panel bracket. When folding, the third plate body first slides inward to reduce the overall length, and then folds and gathers; when unfolded, the first plate body, the second plate body and the third plate body are located on the same plane.

[0039] The retractable photovoltaic bracket of the utility model is provided with a folding mechanism, which can realize the folding or unfolding of the first plate body and the flat plate bracket, and the operation is convenient and labor-saving. The overall volume can be greatly reduced after folding, and the photovoltaic panel can be fully protected in extreme weather; the sliding connection of the third plate body, combined with the movable connection of the second plate body, can realize single-layer unfolding and double-layer folding, increase the light-receiving area when unfolded, and reduce the volume when folded; the retractable photovoltaic bracket of the utility model has a compact structure and high strength, can realize rapid folding and unfolding, can fully protect the photovoltaic panel, and has a long service life.

[0040] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A retractable photovoltaic support, characterized in that: The device comprises a first plate body, a second plate body, a third plate body and a flat panel bracket, wherein the head of the flat panel bracket is hinged at the tail of the first plate body, the lower end of the first plate body is hinged with a first connecting rod, the lower end of the flat panel bracket is hinged with a second connecting rod, the ends of the first connecting rod and the second connecting rod are hinged to each other to form a four-link structure; the upper end of the head of the flat panel bracket is hinged with a hinge, the head of the second plate body is hinged to the end of the hinge, and the flat panel bracket is provided with a bottom plate for contacting with and supporting the lower end of the second plate body when unfolded; the third plate body is slidably fitted on the flat panel bracket, the contact surface between the head of the third plate body and the tail of the second plate body is an inclined surface, and when the third plate body slides inwardly, it can lift up the second plate body and slide to the lower end of the second plate body to achieve folding.

2. The retractable photovoltaic support according to claim 1, characterized in that: The head of the first plate body is hinged with a hinge seat for connecting with a fixing bracket.

3. The retractable photovoltaic support according to claim 1, characterized in that: First support rods are fixed on both sides of the first plate body, and the first connecting rod is hinged on the first support rods.

4. The retractable photovoltaic support according to claim 1, characterized in that: Second support rods are fixed on both sides of the bottom plate, the second connecting rod is hinged on the second support rods, and the third plate body is slidably mounted between the two second support rods.

5. The retractable photovoltaic support according to claim 1, characterized in that: A first contact block is provided at the tail of the second plate body, and a first inclined guide surface is provided on the first contact block. A second contact block is provided at the head of the third plate body, and a second inclined guide surface is provided on the second contact block for contacting the first inclined guide surface and lifting the second plate body.

6. The retractable photovoltaic support according to claim 1, characterized in that: A plurality of reinforcing rods are fitted on the lower surface of the bottom plate.

7. The retractable photovoltaic support according to claim 4, characterized in that: The inner side of the second bracket rod is provided with a protrusion to form a guide block, the side wall of the third plate body is provided with a guide groove capable of accommodating the guide block to be inserted and slide-fitted, and the end of the guide groove is provided with a limiting portion for sliding limiting.

8. The retractable photovoltaic support according to claim 1, characterized in that: The hinge is in a strip shape and has a racetrack-shaped cross section.

9. The retractable photovoltaic support according to claim 1, characterized in that: A plurality of first slots and second slots are respectively provided on both sides of the hinge, a first lug which can be inserted into the first slot is provided on the flat panel bracket, the first lug is connected to the first slot via a first pin shaft, a second lug which can be inserted into the second slot is provided on the head of the second plate body, the second lug is connected to the second slot via a second pin shaft.

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