Hinge type arc-straight desk edge changing device, desk board and study desk

Abstract

The utility model discloses a hinge type arc-straight desk edge changing device, a desk board and a study desk, which comprises a male hinge, the male hinge is rotatably connected with at least one of a first female hinge and a second female hinge which are matched with the male hinge for use, the male hinge is provided with a support rod, the first female hinge is provided with a first matching part which is rotatably connected with the support rod, and the second female hinge is provided with a second matching part which is rotatably connected with the support rod. A second matching part rotationally connected with the supporting rod is arranged on the second female hinge, and an inserting device is arranged between the supporting rod and the first matching part and / or the second matching part and used for keeping the unfolding and folding states of the male hinge and the first female hinge and / or the second female hinge. The problems that in the prior art, when the table shape is changed in an externally-hung mode, the externally-hung table board is inconvenient to store when not used, the externally-hung table board is prone to damage or pollution, and later use is affected are solved.

Description

Technical Field

[0001] The utility model relates to a table edge changing device, in particular to a hinged arc-straight table edge changing device, a table board and a study table, belonging to the technical field of table edge changing. Background Art

[0002] Study tables are mainly divided into arc-edge study tables and straight-edge study tables. Straight-edge study tables are easier to produce and process, while arc-edge study tables can provide more effective support for the elbows. In order to further improve the applicability of study tables, industry technicians usually use external plug-ins to get both types of table shapes, and switch to the corresponding table shape for actual use.

[0003] However, when the shape of the table is changed by an external plug-in method, it is inconvenient to store the external table top when not in use, which makes the external table top easily damaged or contaminated, affecting its later use. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the above-mentioned deficiencies of the prior art and provide a hinged arc-straight table edge changing device.

[0005] In order to solve the above problems, the utility model adopts the following technical solutions:

[0006] A hinge-type arc-to-straight table edge changing device comprises a male hinge, on which at least one of a first female hinge and a second female hinge used in conjunction therewith is rotatably connected, the male hinge is provided with a support rod, the first female hinge is provided with a first matching portion rotatably connected to the support rod, the second female hinge is provided with a second matching portion rotatably connected to the support rod, and a plug-in device is provided between the support rod and the first matching portion and / or the second matching portion, for maintaining the male hinge and the first female hinge and / or the second female hinge in an unfolded and folded state.

[0007] The following is a further optimization of the above solution by the present invention: a positioning hole is respectively provided on the first matching portion and / or the second matching portion for the support rod to pass through.

[0008] Further optimization: the plug-in device includes a supporting component that is plugged and matched with the first female hinge and / or the second female hinge, and the supporting component is arranged on a carrier.

[0009] Further optimization: a first card slot and a third card slot for accommodating the supporting component are opened at one end of the first matching portion, and the first card slot and the third card slot are arranged on corresponding sides of the first matching portion.

[0010] Further optimization: the second matching portion is provided with a second card slot and a fourth card slot for use with the supporting component, the second card slot and the fourth card slot are arranged on opposite sides of the second matching portion, and the second card slot and the fourth card slot are connected through a guide slot.

[0011] Further optimization: A limiting component for limiting the travel of the first female hinge or the second female hinge is arranged on the support rod.

[0012] Further optimization: the carrier is one or more of a male hinge, a table top, and a table body.

[0013] At the same time, the utility model provides a hinged arc-straight table edge changeable table top, and the male hinge, the first female hinge and / or the second female hinge are respectively connected with a main table top and an auxiliary table top for use with them.

[0014] Further optimization: the table edge corresponding to the human body on the main table top or the auxiliary table top is adapted to the human body contour.

[0015] At the same time, the utility model also provides a study table as described above.

[0016] Beneficial technical effects:

[0017] The utility model realizes the flipping and lateral movement of the auxiliary table board by arranging a main table board and an auxiliary table board that are used in conjunction with each other and are connected by hinges. Further, notches or arcs are arranged on the main table board and the auxiliary table board to realize arc-straight switching of the table edge. Further, a plug-in device is arranged in cooperation to maintain the state of the auxiliary table board after flipping, thereby providing stable functions, solving the problem that when the prior art adopts an external plug-in method to change the table shape, it is inconvenient to store the external table board when not in use, which makes the external table board easy to be damaged or contaminated, thereby affecting the later use.

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of the auxiliary table board in the embodiment of the utility model in the unfolded state;

[0020] Figure 2 for Figure 1 The enlarged schematic diagram of point A in the middle;

[0021] Figure 3 This is a schematic diagram of the structure of the auxiliary table board after folding in the embodiment of the utility model;

[0022] Figure 4 for Figure 3 The enlarged schematic diagram of point B in the middle;

[0023] Figure 5 This is a schematic diagram of the structure of the first mother hinge in the embodiment of the utility model;

[0024] Figure 6 It is a structural schematic diagram of the first mother hinge in another perspective in the embodiment of the utility model;

[0025] Figure 7 This is a schematic diagram of the structure of the second mother hinge in the embodiment of the utility model;

[0026] Figure 8 It is a structural schematic diagram of the second mother hinge from another perspective in the embodiment of the utility model.

[0027] In the figure: 1-main table board; 2-auxiliary table board; 3-first female hinge; 4-male hinge; 5-second female hinge; 6-limiting component; 7-support component; 8-first slot; 9-second slot; 10-guide groove; 11-first matching part; 12-second matching part; 13-support rod; 14-third slot; 15-fourth slot; 16-positioning hole. DETAILED DESCRIPTION

[0028] Hereinafter, some specific embodiments of the present invention will be described in detail in an exemplary and non-restrictive manner with reference to the accompanying drawings. The same reference numerals in the above drawings indicate the same or similar components or parts. It should be understood by those skilled in the art that these drawings are not necessarily drawn to scale.

[0029] Examples, such as Figure 1-8 As shown, a hinge-type arc-to-straight table edge changing device includes a male hinge 4, on which at least one of a first female hinge 3 and a second female hinge 5 used in conjunction therewith is rotatably connected, a support rod 13 is provided on the male hinge 4, the first female hinge 3 is provided with a first matching portion 11 rotatably connected to the support rod 13, the second female hinge 5 is provided with a second matching portion 12 rotatably connected to the support rod 13, and a plug-in device is provided between the support rod 13 and the first matching portion 11 and / or the second matching portion 12, which is used to lock the male hinge 4 and the first female hinge 3 and / or the second female hinge 5 in an unfolded and folded state.

[0030] The length direction of the support rod 13 is parallel to the axis of the unfolding and folding action of the first female hinge 3 and / or the second female hinge 5 along the male hinge 4, and the support rod 13 can be a plate or column or other structure that can ensure the rotation of the first female hinge 3 and / or the second female hinge 5.

[0031] The first matching part 11 and / or the second matching part 12 are respectively provided with positioning holes 16 for the support rod 13 to pass through, and the positioning holes 16 pass through the two ends of the corresponding first matching part 1 or the second matching part 12; or the first matching part 11 and the second matching part 12 are both hollow, and the two ends of the first matching part 11 and the second matching part 12 are respectively provided with positioning holes 16 for use with the support rod 13, and the first female hinge 3 and / or the second female hinge 5 can rotate on the support rod 13 and can also reciprocate on the support rod 13.

[0032] The first matching portion 11 and the second matching portion 12 may be cylindrical or prismatic or have regular or irregular shapes as long as they can ensure basic functions.

[0033] The plug-in device includes a supporting component 7 that is plugged into and cooperates with the first female hinge and / or the second female hinge. The supporting component 7 is arranged on a carrier. The supporting component 7 can be a plate-shaped, block-shaped, or column-shaped structure that can position the first female hinge 3 and / or the second female hinge 5, and the supporting component 7 is arranged parallel to the main body of the male hinge 4.

[0034] One end of the first matching portion 11 is provided with a first card slot 8 and a third card slot 14 for accommodating the support component 7. The first card slot 8 and the third card slot 14 are arranged on the corresponding two sides of the first matching portion 11, and the inner top surfaces of the first card slot 8 and the third card slot 14 are parallel to the main body of the first female hinge 3. One side of the first card slot 8 and the third card slot 14 passes through to one end surface of the first matching portion 11, which facilitates the insertion and removal of the support component 7.

[0035] The second matching portion 12 is provided with a second card slot 9 and a fourth card slot 15 for use with the support component 7 . The second card slot 9 and the fourth card slot 15 are arranged on opposite sides of the second matching portion 12 for plugging and matching with the corresponding support component 7 .

[0036] The second card slot 9 and one end of the fourth card slot 15 are connected through a guide slot 10 , which can accommodate the movement of the support component 7 , and at least one of the second card slot 9 and the fourth card slot 15 cannot penetrate to one end surface of the second matching portion 12 .

[0037] The main table board 1 is connected to the male hinge 4, and the auxiliary table board 2 used in conjunction with the main table board 1 is connected to the first female hinge 3 and / or the second female hinge 5; or the main table board 1 is connected to the first female hinge 3 and / or the second female hinge 5, and the auxiliary table board 2 used in conjunction with the main table board 1 is connected to the male hinge 4.

[0038] The edge of the main table top 1 may be a straight edge, and a notch or a C-shaped opening is provided on the corresponding auxiliary table top 2 at a position corresponding to the human body, so as to facilitate cooperation with the front part of the human body.

[0039] Alternatively, a notch or arc (C-shaped opening) is provided on the edge of the main table top 1 facing the human body, and a straight edge is provided at the position corresponding to the human body on the corresponding auxiliary table top 2, and a fan-shaped plate is provided at the position corresponding to the notch to fill the notch.

[0040] Positions near both ends of the support rod 13 are provided with limiting components 6 for limiting the travel of the first female hinge 3 and the second female hinge 5 to prevent excessive movement.

[0041] The carrier is one or more of a male hinge, a table top, and a table body. In this embodiment, the support component 7 is arranged on the support rod 13 of the male hinge 4.

[0042] When using, Figure 1 As shown, in this state, the auxiliary table board 2 is moved to the left, so that the left support component 7 is moved out of the second slot 8, and the right support component 7 is moved from the second slot 9 to the guide slot 10, and then the auxiliary table board 2 is flipped downward to the bottom of the main table board 1, and the left and right support components 7 are respectively aligned with the third slot 14 and the fourth slot 15, and then the auxiliary table board 2 is moved to the right, and the left support component 7 is engaged with the third slot 14, and the right support component 7 is engaged with the fourth slot 15.

[0043] The utility model realizes the flipping and lateral movement of the auxiliary table board by arranging a main table board and an auxiliary table board that are used in conjunction with each other and are connected by hinges. Further, notches or arcs are arranged on the main table board and the auxiliary table board to realize arc-straight switching of the table edge. Further, a plug-in device is arranged in cooperation to maintain the state of the auxiliary table board after flipping, thereby providing stable functions, solving the problem that when the prior art adopts an external plug-in method to change the table shape, it is inconvenient to store the external table board when not in use, which makes the external table board easy to be damaged or contaminated, thereby affecting the later use.

[0044] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments are only used to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the claims and their equivalents.

Claims

1. A hinged arc-straight table edge changing device, characterized in that: The invention comprises a male hinge (4), the male hinge (4) being rotatably connected to at least one of a first female hinge (3) and a second female hinge (5) for use therewith, the male hinge (4) being provided with a support rod (13), the first female hinge (3) being provided with a first matching portion (11) rotatably connected to the support rod (13), the second female hinge (5) being provided with a second matching portion (12) rotatably connected to the support rod (13), and a plug-in device being provided between the support rod (13) and the first matching portion (11) and / or the second matching portion (12), for maintaining the male hinge (4) and the first female hinge (3) and / or the second female hinge (5) in an unfolded or folded state.

2. The hinged arc-straight table edge changing device according to claim 1, characterized in that: The first matching portion (11) and / or the second matching portion (12) are respectively provided with positioning holes (16) for the support rod (13) to pass through.

3. The hinged arc-straight table edge changing device according to claim 2, characterized in that: The plug-in device comprises a supporting component (7) plugged and matched with the first female hinge (3) and / or the second female hinge (5), and the supporting component (7) is arranged on a carrier.

4. The hinged arc-straight table edge changing device according to claim 3, characterized in that: A first card slot (8) and a third card slot (14) for accommodating the support component (7) are formed at one end of the first matching portion (11); the first card slot (8) and the third card slot (14) are arranged on corresponding sides of the first matching portion (11).

5. A hinged arc-straight table edge changing device according to claim 3 or 4, characterized in that: The second matching portion (12) is provided with a second card slot (9) and a fourth card slot (15) for use in conjunction with the support component (7); the second card slot (9) and the fourth card slot (15) are arranged on opposite surfaces of the second matching portion (12); the second card slot (9) and the fourth card slot (15) are connected via a guide slot (10).

6. The hinged arc-straight table edge changing device according to claim 5, characterized in that: The support rod (13) is provided with a limiting component (6) for limiting the travel of the first female hinge (3) or the second female hinge (5).

7. The hinged arc-straight table edge changing device according to claim 3, characterized in that: The carrier is one or more of a male hinge (4), a table top, and a table body.

8. A hinged curved-straight tabletop with a changeable tabletop, characterized in that: It is provided with a changing device as described in any one of claims 1-7, and the male hinge (4), the first female hinge (3) and / or the second female hinge (5) are respectively connected with a main table top (1) and an auxiliary table top (2) for use with them.

9. The hinged curved-straight tabletop according to claim 8, characterized in that: The table edge corresponding to the human body on the main table top (1) or the auxiliary table top (2) is adapted to the contour of the human body.

10. A study table, characterized by: Comprising the changing table top as claimed in claim 9.

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