Folding and unfolding mechanism and folding bookshelf thereof

Abstract

The utility model relates to a folding and unfolding mechanism which comprises a support assembly with an unfolding state and a folding state and a bearing piece, and a supporting frame used for supporting objects is formed in the unfolding state of the support assembly. A bracket used for containing and placing objects is formed in the unfolded state of the bearing piece. The support assembly in the unfolded state is matched with the bearing piece in the unfolded state, and the bracket is supported on the supporting frame. The two deformation parts are arranged, the support assembly is unfolded to form a supporting frame for supporting the bearing piece, the unfolding angle of the support assembly is adjusted, the opening form of the support assembly can be adjusted, and a user can reasonably adjust the unfolding angle of the support assembly according to the requirement of the user; when the bearing piece is unfolded, the bearing piece can be matched with the support assembly to serve as a bracket for containing and storing objects, and transportation is convenient when the support assembly and the bearing piece are both in a folded state.

Description

Technical Field

[0001] The utility model relates to the technical field of element folding and unfolding, and specifically relates to a folding and unfolding mechanism and a folding bookshelf thereof. Background Art

[0002] Chinese Patent No. ZL202222091564.3 discloses a foldable bookshelf, which includes a base, a first storage board and a second storage board. The first storage board stands on the front of the base and is inclined relative to the base. The first storage board and the base are hinged through a first connection component, and a first limiting member for limiting the first storage board is detachably installed on the first storage board; the second storage board stands upright on the front of the first storage board with its front side facing up, the second storage board and the first storage board are hinged through a second connection component, and a second limiting member for limiting the second storage board is detachably installed on the second storage board; a V-shaped book accommodation space is respectively formed between the front of the first storage board and the front of the second storage board, and between the front of the first storage board and the front of the base. Its base cannot be deformed, and the foldable bookshelf cannot adjust the corresponding installation position on the base.

[0003] Therefore, further improvement is needed. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a folding and unfolding mechanism and a folding bookshelf thereof. By setting two deformation parts, the support frame component is unfolded to form a support frame for supporting the support member. By adjusting the unfolding angle of the support frame component, the opening form of the support frame component can be adjusted. The user can reasonably adjust the unfolding angle of the support frame component according to his own needs. In addition, when the support member is unfolded, it can be used as a bracket for placing and storing objects in cooperation with the support frame component. When both the support frame component and the support member are in a folded state, it is convenient for transportation.

[0005] The purpose of the utility model is realized as follows:

[0006] A folding and unfolding mechanism includes a support frame component and a support member having an unfolded state and a folded state.

[0007] When the support frame component is in the unfolded state, it forms a support frame for supporting objects; when the support member is in the unfolded state, it forms a bracket for storing and placing objects; in the unfolded state, the support frame component and the support member in the unfolded state cooperate, and the bracket is supported on the support frame.

[0008] The support frame component and the support member are provided in a split manner, and the support frame component and the support member are respectively independently switched to the folded and unfolded states; alternatively, the support frame component and the support member are connected, and the support frame component and the support member are synchronously switched to the folded and unfolded states.

[0009] When the supporting member is a single folding and storage element, the material of the supporting member is a flexible material. The folding and storage element passes through Bending deformation to switch the supporting member to the folded state and form a folded storage element; the folding and storage element expands through Deformation to switch the supporting member to the unfolded state and form a bracket;

[0010] Alternatively, the supporting member includes more than two pallets, and a connecting structure is provided between adjacent pallets. The two pallets are movably connected through the connecting structure. The two pallets are movably folded through the connecting structure to switch the supporting member to the folded state and form a folded storage element; the two pallets are movably opened through the connecting structure to switch the supporting member to the unfolded state and form a bracket;

[0011] The connecting structure includes a shaft member provided between the two pallets, and the two pallets are rotatably connected through the shaft member;

[0012] The connecting structure includes a connecting sleeve provided on one pallet and a connecting shaft provided on the other pallet. When the two pallets are connected, the connecting shaft is inserted into the connecting sleeve.

[0013] More than two assembly parts arranged at different positions are provided on the bracket assembly. The supporting member is detachably installed on the bracket assembly through the assembly parts, and the installation position of the supporting member on the bracket assembly is adjusted through the assembly parts at different positions. By changing the installation position of the supporting member on the bracket assembly, a part of the supporting member can be adjusted to a position parallel to the supporting surface and can be used as a display stand for figurines.

[0014] The bracket assembly includes a first bracket element and a second bracket element having a folded state and an unfolded state. When the bracket assembly is assembled with the supporting member, the first bracket element is connected to one side of the supporting member, and the second bracket element is connected to the other side of the supporting member.

[0015] The first bracket element and the second bracket element are respectively rotatably connected to the supporting member; a connecting shaft, a screw, a stud or a bearing and a shaft rod fitting are respectively provided between the first bracket element and the second bracket element and the supporting member to connect the first bracket element and the second bracket element to the supporting member respectively.

[0016] During the synchronous unfolding and folding process of the first bracket element, the second bracket element and the supporting member, the supporting member can rotate relative to the bracket element.

[0017] The bracket assembly further includes a connecting rod provided between the first bracket element and the second bracket element. One end of the connecting rod is connected to the first bracket element, and the other end of the connecting rod is connected to the second bracket element.

[0018] Both the first support element and the second support element are provided with mounting portions. The connecting rod is provided with a first elastically deformable fastening portion. The first elastically deformable fastening portion is inserted into the mounting portion, and the first elastically deformable fastening portion is elastically deformed and fastened to the outside of the mounting portion, so that the connecting rod is connected to the support element.

[0019] When the first support element and the second support element are each a single folding support element, the materials of the first support element and the second support element are both flexible materials. The folding support element switches the first support element and the second support element to the folded state through bending deformation and forms a folded support element; after the folding support element switches the first support element and the second support element to the unfolded state through expansion deformation, the support assembly forms a support frame for supporting an object.

[0020] Alternatively, both the first support element and the second support element include two or more support rods. A rotational fastening structure is provided between adjacent support rods. The two support rods are rotationally connected through the rotational fastening structure. The two support rods are rotationally folded to switch the first support element and the second support element to the folded state and form a folded support element; after the two support rods are rotationally opened to switch the first support element and the second support element to the unfolded state, the support assembly forms a support frame for supporting an object.

[0021] The rotational fastening structure includes a connecting portion provided on one support rod and a second elastically deformable fastening portion provided on another support plate; the second elastically deformable fastening portion is inserted into the connecting portion, and the second elastically deformable fastening portion is elastically deformed and fastened to the outside of the connecting portion, so that the two support rods are connected.

[0022] A folding bookshelf includes a bookshelf main body, and the above-mentioned folding and unfolding mechanism is provided on the bookshelf main body.

[0023] The beneficial effects of the present utility model are as follows:

[0024] By providing two deformation portions, the support assembly is unfolded to form a support frame for supporting and holding an object. By adjusting the unfolding angle of the support assembly, the opening form of the support assembly can be adjusted. The user can reasonably adjust the unfolding angle of the support assembly according to their own needs. In addition, when the holding member is unfolded and paired with the support assembly, it can be used as a bracket for placing and storing objects. When both the support assembly and the holding member are in the folded state, it is convenient for transportation.

[0025] The holding member is detachably mounted on the support assembly through the assembly portion, and the mounting position of the holding member on the support assembly is adjusted through the assembly portions at different positions. By changing the mounting position of the holding member on the support assembly, a part of the holding member can be adjusted to a position parallel to the supporting surface and can be used as a display stand for figurines. Description of the Drawings

[0026] Figure 1This is a three-dimensional structural schematic diagram of the folding and unfolding mechanism in an embodiment of the present utility model in the unfolded state.

[0027] Figure 2 This is a three-dimensional structural schematic diagram of the folding and unfolding mechanism in an embodiment of the present utility model in the folded state.

[0028] Figure 3 This is a schematic diagram of the assembled and disassembled structure of the folding and unfolding mechanism in an embodiment of the present utility model.

[0029] Figure 4 It is Figure 3 The enlarged view of part A in

[0030] Figure 5 It is Figure 3 The enlarged view of part B in

[0031] Figure 6 This is a three-dimensional cross-sectional structural schematic diagram of the bracket element and the connecting rod in an embodiment of the present utility model.

[0032] Figure 7 This is a schematic diagram of the assembled and disassembled structure of the supporting member in an embodiment of the present utility model.

[0033] Figure 8 This is a three-dimensional structural schematic diagram of the folding and unfolding mechanism in another unfolded state in an embodiment of the present utility model. Specific embodiments

[0034] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0035] Refer to Figures 1 - 8 , a folding and unfolding mechanism, including a bracket assembly 1 and a supporting member 2 having an unfolded state and a folded state;

[0036] When the bracket assembly 1 is in the unfolded state, it forms a support frame 11 for supporting an object; when the supporting member 2 is in the unfolded state, it forms a bracket 12 for receiving and placing an object; in the unfolded state, the bracket assembly 1 cooperates with the supporting member 2 in the unfolded state, and the bracket 12 is supported on the support frame 11.

[0037] In this embodiment, when the supporting member 2 is unfolded, it is in a V shape.

[0038] The bracket assembly 1 and the supporting member 2 are provided in a split manner, and the bracket assembly 1 and the supporting member 2 are independently switched to the folded and unfolded states respectively; alternatively, the bracket assembly 1 and the supporting member 2 are connected, and the bracket assembly 1 and the supporting member 2 are synchronously switched to the folded and unfolded states.

[0039] When the supporting member 2 is a single folding and storing element, the material of the supporting member 2 is a flexible material, and the folding and storing element passes through Bending deformationSwitch the support member 2 to the folded state to form a folded storage element; the folded storage element is expanded Form Change Switch the support member 2 to the unfolded state to form the bracket 12;

[0040] Alternatively, the support member 2 includes two or more pallet boards 3, and a connection structure 4 is provided between two adjacent pallet boards 3. The two pallet boards 3 are movably connected through the connection structure 4. The two pallet boards 3 are movably folded through the connection structure 4 to switch the support member 2 to the folded state to form a folded storage element; the two pallet boards 3 are movably opened through the connection structure 4 to switch the support member 2 to the unfolded state to form the bracket 12;

[0041] The connection structure 4 includes a shaft member provided between the two pallet boards 3, and the two pallet boards 3 are rotatably connected through the shaft member;

[0042] Specifically: The connection structure 4 includes a connection sleeve 15 provided on one pallet board 3 and a connection shaft 16 provided on the other pallet board 3. When the two pallet boards 3 are connected, the connection shaft 16 is inserted into the connection sleeve 15.

[0043] In this embodiment, two or more pallet boards 3 can be rotatably connected through hinges.

[0044] Two or more assembly parts 5 arranged at different positions are provided on the bracket assembly 1. The support member 2 is detachably mounted on the bracket assembly 1 through the assembly parts 5, and the mounting position of the support member 2 on the bracket assembly 1 is adjusted through the assembly parts 5 at different positions.

[0045] The bracket assembly 1 includes a first bracket element 6 and a second bracket element 7 having a folded state and an unfolded state. When the bracket assembly 1 is assembled and connected to the support member 2, the first bracket element 6 is connected to one side of the support member 2, and the second bracket element 7 is connected to the other side of the support member 2.

[0046] The first bracket element 6 and the second bracket element 7 are respectively rotatably connected to the support member 2; a connection shaft, a screw, a stud or a bearing, a shaft rod fitting is provided between the first bracket element 6, the second bracket element 7 and the support member 2 respectively, so that the first bracket element 6 and the second bracket element 7 are respectively connected to the support member 2.

[0047] The bracket assembly 1 further includes a connecting rod 8 provided between the first bracket element 6 and the second bracket element 7. One end of the connecting rod 8 is connected to the first bracket element 6, and the other end of the connecting rod 8 is connected to the second bracket element 7.

[0048] Both the first support element 6 and the second support element 7 are provided with mounting portions 9. The connecting rod 8 is provided with a first elastically deformable buckling portion 10. The first elastically deformable buckling portion 10 is inserted into the mounting portion 9 and buckles on the outer side of the mounting portion 9 through elastic deformation, so as to connect the connecting rod 8 with the support element.

[0049] In this embodiment, when the first support element 6 and the second support element 7 are unfolded, they are in an inverted V shape.

[0050] When the first support element 6 and the second support element 7 are each a single folding support element, the materials of the first support element 6 and the second support element 7 are both flexible materials. The folding support element switches the first support element 6 and the second support element 7 to the folded state through bending deformation and forms a folded support element; after the folding support element switches the first support element 6 and the second support element 7 to the unfolded state through expansion deformation, the support assembly 1 forms a support frame 11 for supporting an object.

[0051] Alternatively, the first support element 6 and the second support element 7 each include two or more support rods 13. A rotating buckling structure 14 is provided between two adjacent support rods 13. The two support rods 13 are rotatably connected through the rotating buckling structure 14. The two support rods 13 switch the first support element 6 and the second support element 7 to the folded state through rotational folding and form a folded support element; after the two support rods 13 switch the first support element 6 and the second support element 7 to the unfolded state through rotational opening, the support assembly 1 forms a support frame 11 for supporting an object.

[0052] In this embodiment, two or more assembly portions 5 are linearly arranged on the support rod 13. The assembly portion 5 is a screw hole. The bearing member 2 is provided with a hole position for inserting a screw. The bearing member 2 is detachably mounted on the support rod 13 of the support assembly 1 through a screw.

[0053] The rotating buckling structure 14 includes a connecting portion 17 provided on one support rod 13 and a second elastically deformable buckling portion 18 provided on another support plate 3; the second elastically deformable buckling portion 18 is inserted into the connecting portion 17 and buckles on the outer side of the connecting portion 17 through elastic deformation, so as to connect the two support rods 13.

[0054] In this embodiment, both the mounting portion 9 and the connecting portion 17 are circular holes. The first elastically deformable buckling portion 10 and the second elastically deformable buckling portion 18 are several elastic blocks with openings. A buckling step is provided on the elastic block. After the first elastically deformable buckling portion 10 and the second elastically deformable buckling portion 18 are inserted into the circular hole portion, the buckling step passes through the circular hole portion and is elastically deformed and clamped on the outer side of the circular hole portion.

[0055] A folding bookshelf, comprising a bookshelf main body, and the above-mentioned folding and unfolding mechanism is provided on the bookshelf main body.

[0056] The above is the preferred solution of the present utility model, which shows and describes the basic principle, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A folding and unfolding mechanism, characterized in that: It comprises a support assembly (1) and a supporting member (2) having an unfolded state and a folded state; When the support assembly (1) is in an unfolded state, it forms a support frame (11) for supporting an object; when the supporting member (2) is in an unfolded state, it forms a bracket (12) for storing and placing an object; the support assembly (1) in the unfolded state cooperates with the supporting member (2) in the unfolded state, and the bracket (12) is supported on the support frame (11).

2. The folding and unfolding mechanism according to claim 1, characterized in that: The support assembly (1) and the supporting member (2) are arranged in a split type, and the support assembly (1) and the supporting member (2) are independently switched to a folded state and an unfolded state respectively; or, the support assembly (1) and the supporting member (2) are connected, and the support assembly (1) and the supporting member (2) are synchronously switched to a folded state and an unfolded state.

3. The folding and unfolding mechanism according to claim 1, characterized in that: When the supporting member (2) is a single folding storage element, the supporting member (2) is made of a flexible material, and the folding storage element is Bending deformation Switching the supporting member (2) to a folded state to form a folded storage element; Folding storage element through expansion deformation Switching the supporting member (2) to an unfolded state to form a bracket (12); Alternatively, the supporting member (2) comprises more than two supporting plates (3), a connecting structure (4) is provided between two adjacent supporting plates (3), the two supporting plates (3) are movably connected via the connecting structure (4), the two supporting plates (3) are movably folded via the connecting structure (4) so ​​that the supporting member (2) is switched to a folded state and forms a folded storage element; the two supporting plates (3) are movably opened via the connecting structure (4) so ​​that the supporting member (2) is switched to an unfolded state and forms a bracket (12); The connection structure (4) comprises a shaft member arranged between the two support plates (3), and the two support plates (3) are rotatably connected via the shaft member.

4. The folding and unfolding mechanism according to claim 1, characterized in that: The bracket assembly (1) is provided with two or more assembly parts (5) arranged in different positions, the support member (2) is detachably mounted on the bracket assembly (1) via the assembly parts (5), and the mounting position of the support member (2) on the bracket assembly (1) is adjusted via the assembly parts (5) at different positions.

5. The folding and unfolding mechanism according to claim 1, characterized in that: The support assembly (1) comprises a first support element (6) and a second support element (7) which can be in a folded state and an unfolded state. When the support assembly (1) is assembled and connected to a supporting member (2), the first support element (6) is connected to one side of the supporting member (2), and the second support element (7) is connected to the other side of the supporting member (2); the first support element (6) and the second support element (7) are respectively rotatably connected to the supporting member (2); and connecting shafts, screws, studs or bearings, and shaft matching parts are respectively provided between the first support element (6) and the second support element (7) and the supporting member (2), so that the first support element (6) and the second support element (7) are respectively connected to the supporting member (2).

6. The folding and unfolding mechanism according to claim 5, characterized in that: The support assembly (1) further comprises a connecting rod (8) arranged between the first support element (6) and the second support element (7), wherein the first support element (6) is connected to one end of the connecting rod (8), and the second support element (7) is connected to the other end of the connecting rod (8).

7. The folding and unfolding mechanism according to claim 6, characterized in that: A connecting shaft, a screw, a stud or a bearing, and a shaft-rod fitting are provided between the first bracket element (6) and the second bracket element (7) and the connecting rod (8), respectively, so that the first bracket element (6) and the second bracket element (7) are connected to the connecting rod (8), respectively.

8. The folding and unfolding mechanism according to claim 5, characterized in that: When the first support element (6) and the second support element (7) are both single folding support elements, the materials of the first support element (6) and the second support element (7) are both flexible materials, and the folding support element is bent and deformed so that the first support element (6) and the second support element (7) are switched to a folded state to form a folded support element; After the folding support element is extended and deformed to switch the first support element (6) and the second support element (7) to an unfolded state, the support assembly (1) forms a support frame (11) for supporting an object; Alternatively, the first support element (6) and the second support element (7) each comprise more than two support rods (13), a rotational buckling structure (14) is provided between two adjacent support rods (13), the two support rods (13) are rotationally connected via the rotational buckling structure (14), the two support rods (13) are rotationally folded so that the first support element (6) and the second support element (7) are switched to a folded state and a folded support element is formed; after the two support rods (13) are rotated to open so that the first support element (6) and the second support element (7) are switched to an unfolded state, the support assembly (1) forms a support frame (11) for supporting an object.

9. The folding and unfolding mechanism according to claim 8, characterized in that: The rotating buckling structure (14) comprises a connecting portion (17) arranged on a support rod (13), and a second elastically deformable buckling portion (18) arranged on another support plate (3); the second elastically deformable buckling portion (18) is inserted into the connecting portion (17), and the second elastically deformable buckling portion (18) is buckled on the outer side of the connecting portion (17) through elastic deformation, so that the two support rods (13) are connected.

10. A foldable bookshelf, comprising a bookshelf body, characterized in that: The bookshelf body is provided with a folding and unfolding mechanism as described in any one of claims 1 to 9.

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