Automatic opening and closing mechanism for folding table plate of table

Abstract

The utility model discloses an automatic opening and closing mechanism for a table folding table plate. The automatic opening and closing mechanism comprises a table plate body, a fixing plate is arranged on one side of the table plate body, fixing seats are symmetrically arranged at the bottom of the fixing plate, and supporting mechanisms are arranged on the inner sides of the fixing seats; the supporting mechanism comprises a placement groove, an electromagnet, a spring and a limiting block, the placement groove is formed in an inner cavity of the fixing base, the electromagnet is fixedly installed on the inner wall of the placement groove, the spring is arranged in the placement groove, and the limiting block is slidably installed on one side of the spring; the supporting mechanism is arranged on the inner side of the fixing base, the limiting block can pop out under the elastic acting force of the compression spring in the limiting block, and therefore the center of the bottom of the table board body can be supported through the limiting block, stability can be kept in the using process of the table board body, and the table board is convenient to use. And the situation that the surface of the table board body collapses in the using process is avoided, and then it can be further guaranteed that the device can be normally used.

Description

Technical Field

[0001] The utility model relates to the technical field of table boards, in particular to an automatic opening and closing mechanism for a folding table board. Background Art

[0002] With the acceleration of the pace of life, people's requirements for the practicality and convenience of furniture are getting higher and higher. The traditional table design often has problems such as inconvenient opening and closing and large space occupation, which cannot meet the usage needs of modern people. Therefore, it is particularly important to design an automatic opening and closing mechanism for a folding table board that can automatically open and close, has a compact structure, and is easy to operate.

[0003] When opening and closing the table board, generally, the outside of the table board is supported and fixed by an opening and closing mechanism, and there is no support structure inside the table board. As a result, during the use of the table board, the middle is prone to collapse, which will affect the normal use of the device to a certain extent. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an automatic opening and closing mechanism for a folding table board to solve the problems raised in the above background art.

[0005] The utility model provides the following technical solution: an automatic opening and closing mechanism for a folding table board, including a table board body; a fixing plate is arranged on one side of the table board body, fixing seats are symmetrically arranged at the bottom of the fixing plate, and a support mechanism is arranged inside the fixing seats;

[0006] The support mechanism includes a placement groove, an electromagnet, a spring, and a limit block. The placement groove is opened in the inner cavity of the fixing seat, the inner wall of the placement groove is fixedly installed with an electromagnet, a spring is arranged inside the placement groove, and a limit block is slidably installed on one side of the spring.

[0007] Preferably, mounting plates are symmetrically and fixedly installed at the bottom of the fixing plate through bolts, and sliding grooves are opened on the surfaces of the mounting plates.

[0008] Preferably, a folding mechanism is arranged on one side of the mounting plate.

[0009] Preferably, the folding mechanism includes a motor, a first rotating rod, a second rotating rod, a shaft rod, and a mounting block. The motor is arranged on one side of the mounting plate, the output end of the motor passes through the mounting plate and is fixedly connected to the first rotating rod, one side of the first rotating rod is rotatably installed on the second rotating rod, the other end of the second rotating rod is fixedly installed on the shaft rod, both ends of the shaft rod are installed in the inner cavity of the sliding groove, and a mounting block is installed on the surface of the shaft rod.

[0010] Preferably, the surface of the mounting block is installed on the bottom of the table board body through bolts, and a placement cavity is opened on the surface of the table board body.

[0011] Preferably, the cross-section of the limiting block is in a "T" shape.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. By arranging a support mechanism inside the fixed seat in the present utility model, the limiting block will pop outwards under the elastic force of the spring compressed inside it, so as to support the central position at the bottom of the tabletop body through the limiting block, and further maintain stability during the use of the tabletop body, avoiding the situation of collapse on the surface of the tabletop body during use, and further ensuring the normal use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0015] Figure 2 is a bottom view structural schematic diagram of the present utility model;

[0016] Figure 3 is a bottom cross-sectional structural schematic diagram of the present utility model;

[0017] Figure 4 is a side view structural schematic diagram of the present utility model.

[0018] In the figure: 1, tabletop body; 2, fixing plate; 3, mounting plate; 4, sliding groove; 5, folding mechanism; 501, motor; 502, first rotating rod; 503, second rotating rod; 504, shaft rod; 505, mounting block; 6, fixed seat; 7, support mechanism; 701, placement groove; 702, electromagnet; 703, spring; 704, limiting block; 8, placement cavity. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0020] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0021] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0022] The technical solution of the present utility model will be further elaborated in detail below in conjunction with the specification drawings and specific embodiments.

[0023] Embodiment 1:

[0024] An automatic opening and closing mechanism for a folding table board provided in the present application includes a table board body 1; a fixed plate 2 is arranged on one side of the table board body 1, fixed seats 6 are symmetrically arranged at the bottom of the fixed plate 2, and a support mechanism 7 is arranged inside the fixed seats 6;

[0025] The support mechanism 7 includes a placement groove 701, an electromagnet 702, a spring 703, and a limit block 704. The placement groove 701 is opened in the inner cavity of the fixed seat 6, the electromagnet 702 is fixedly installed on the inner wall of the placement groove 701, a spring 703 is opened inside the placement groove 701, a limit block 704 is slidably installed on one side of the spring 703, the cross-section of the limit block 704 is in a "T" shape, the surface of the installation block 505 is installed on the bottom of the table board body 1 through bolts, and a placement cavity 8 is opened on the surface of the table board body 1;

[0026] Specifically, as Figure 1 、 Figure 2 、 Figure 3 and Figure 4As shown, when the tabletop body 1 and the fixing plate 2 are in the same plane, at this time, the electromagnet 702 is powered off through an external controller, and the limiting block 704 will pop out outward under the elastic force of the internal compression spring 703, so that the bottom central position of the tabletop body 1 can be supported by the limiting block 704, and then the tabletop body 1 can be kept stable during use, avoiding the situation of collapse on the surface of the tabletop body 1 during use, and further ensuring the normal use of the device.

[0027] Furthermore, mounting plates 3 are symmetrically and fixedly installed at the bottom of the fixing plate 2 through bolts. A chute 4 is provided on the surface of the mounting plate 3. A folding mechanism 5 is arranged on one side of the mounting plate 3. The folding mechanism 5 includes a motor 501, a first rotating rod 502, a second rotating rod 503, a shaft rod 504 and a mounting block 505. The motor 501 is arranged on one side of the mounting plate 3. The output end of the motor 501 passes through the mounting plate 3 and is fixedly connected to the first rotating rod 502. One side of the first rotating rod 502 is rotatably installed on the second rotating rod 503. The other end of the second rotating rod 503 is fixedly installed on the shaft rod 504. Both ends of the shaft rod 504 are installed in the inner cavity of the chute 4. The mounting block 505 is installed on the surface of the shaft rod 504;

[0028] Specifically, as Figure 1 , Figure 2 , Figure 3 and Figure 4 shown, when the device is in use and it is necessary to unfold the tabletop body 1 and the fixing plate 2, at this time, the user can turn on the motor 501 through an external controller, drive the first rotating rod 502 and the second rotating rod 503 to rotate through the output end of the motor 501, and then the shaft rod 504 will slide inside the chute 4, so that the mounting block 505 can drive the tabletop body 1 to rotate, enabling the tabletop body 1 and the fixing plate 2 to be in the same plane. At the same time, the support mechanism 7 can be used to support and fix the bottom of the tabletop body 1. Through the setting of the folding mechanism 5, the folding and retraction of the tabletop body 1 can be quickly completed, further improving the convenience of using the device.

[0029] Working principle: When it is necessary to unfold the tabletop body 1 and the fixing plate 2, turn on the motor 501 through an external controller, drive the first rotating rod 502 and the second rotating rod 503 to rotate through the output end of the motor 501, and then the shaft rod 504 will slide inside the chute 4, so that the mounting block 505 can drive the tabletop body 1 to rotate, enabling the tabletop body 1 and the fixing plate 2 to be in the same plane. Power off the electromagnet 702 through an external controller, and the limiting block 704 will pop out outward under the elastic force of the internal compression spring 703, so that the bottom central position of the tabletop body 1 can be supported by the limiting block 704.

[0030] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solutions of the present invention rather than to limit them. Although the present invention has been described in detail with reference to the embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified and equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. An automatic opening and closing mechanism for a folding table board, comprising a table board body (1); characterized in that: One side of the tabletop body (1) is provided with a fixing plate (2). Symmetric fixing seats (6) are arranged at the bottom of the fixing plate (2), and a supporting mechanism (7) is arranged inside the fixing seats (6). The supporting mechanism (7) includes a placement groove (701), an electromagnet (702), a spring (703) and a limiting block (704). The placement groove (701) is opened in the inner cavity of the fixing seat (6). The inner wall of the placement groove (701) is fixedly installed with the electromagnet (702). A spring (703) is opened inside the placement groove (701), and a limiting block (704) is slidably installed on one side of the spring (703).

2. The automatic opening and closing mechanism of a folding tabletop according to claim 1, characterized in that: The bottom of the fixing plate (2) is symmetrically and fixedly installed with mounting plates (3) through bolts, and sliding grooves (4) are opened on the surfaces of the mounting plates (3).

3. The automatic opening and closing mechanism of a folding tabletop according to claim 2, characterized in that: A folding mechanism (5) is arranged on one side of the mounting plate (3).

4. The automatic opening and closing mechanism of a folding tabletop according to claim 3, characterized in that: The folding mechanism (5) includes a motor (501), a first rotating rod (502), a second rotating rod (503), a shaft rod (504) and a mounting block (505). The motor (501) is arranged on one side of the mounting plate (3). The output end of the motor (501) passes through the mounting plate (3) and is fixedly connected to the first rotating rod (502). One side of the first rotating rod (502) is rotatably installed on the second rotating rod (503). The other end of the second rotating rod (503) is fixedly installed on the shaft rod (504). Both ends of the shaft rod (504) are installed in the inner cavity of the sliding groove (4), and a mounting block (505) is installed on the surface of the shaft rod (504).

5. The automatic opening and closing mechanism of a folding tabletop according to claim 4, characterized in that: The surface of the mounting block (505) is installed on the bottom of the tabletop body (1) through bolts, and a placement cavity (8) is opened on the surface of the tabletop body (1).

6. The automatic opening and closing mechanism of a folding tabletop according to claim 1, characterized in that: The cross-section of the limiting block (704) is in a "T" shape structure.

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