CN218921989U - A desk can automatically adjust the device - Google Patents

Abstract

The utility model disclosed belongs to the technical field of office desks, in particular to an automatically adjustable device for an office desk, comprising an office desk desktop and side panels, the number of the side panels is two and the positions correspond to the left and right sides, and the sides on the left and right sides The bottom between the boards is fixedly connected with a support board, and the left and right sides of the bottom of the desk top are equipped with vertical boards, and the vertical boards are slidably matched with the side boards, and brackets are installed between the vertical boards on the left and right sides. A fixed frame is arranged on the upper side of the support plate, and a screw rod is rotatably connected between the upper end of the fixed frame and the middle part of the support plate, and a screw nut is installed on the screw rod, and the screw nut is fixed on the bracket by bolts , the lower side of the screw rod is connected with a worm wheel through a screw, the worm wheel is engaged with a worm, the rear end of the worm is connected with a motor, and a battery for powering the motor is installed on the support plate, between the worm and the worm wheel Self-locking fit between the devices, the overall structure of the device is simple and stable, and easy to use.

Description

A desk can automatically adjust the device

technical field

The utility model relates to the field of desks, in particular to an automatic adjustable desk device.

Background technique

Desk refers to the desk equipped for the convenience of work in daily work and social activities.

The Chinese utility model patent with the authorized patent announcement No. discloses an electric adjustable desk, including a desk desktop and a lifting support mechanism. The lifting support mechanism is arranged under the desk desktop. During the lifting process, the driving motor drives The driving bevel gear rotates, the driving bevel gear drives the linkage bevel gear to rotate, the linkage bevel gear drives the linkage shaft to rotate, and the two adjustment gears at both ends of the linkage shaft rotate, because the adjustment gear meshes with the adjustment teeth on the lifting column, so the two adjustment gears Drive the two lifting columns to lift, and the two lifting columns drive the desk desktop to rise and fall synchronously. The overall lifting structure of the device has many accessories, resulting in high manufacturing costs, and the support performance of the desk desktop is poor, and it is easy to move up and down after being stressed. It is necessary to use locking bolts to lock after the lifting is completed, resulting in inconvenient use. . Therefore, the utility model provides a simple and stable desktop height automatic adjustment device.

Utility model content

The purpose of this utility model is to provide an automatic desk adjustment device to solve the above-mentioned problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: an automatically adjustable device for desks, including desk desktops and side panels, the number of the side panels is two and the positions correspond to the left and right sides, and the sides on the left and right sides The bottom between the boards is fixedly connected with a support board, and the left and right sides of the bottom of the desk top are equipped with vertical boards, and the vertical boards are slidably matched with the side boards, and brackets are installed between the vertical boards on the left and right sides. A fixed frame is arranged on the upper side of the support plate, and a screw rod is rotatably connected between the upper end of the fixed frame and the middle part of the support plate, and a screw nut is installed on the screw rod, and the screw nut is fixed on the bracket by bolts , the lower side of the screw rod is connected with a worm wheel through a screw, the worm wheel is meshed with a worm, the rear end of the worm is connected with a motor, and a battery for powering the motor is installed on the support plate, between the worm screw and the worm wheel self-locking fit.

Preferably, a bearing seat is connected between the upper end of the fixing frame and the middle part of the support plate through bolts, and the upper and lower ends of the screw rod are rotatably connected with the bearing seat.

Preferably, sliding grooves are provided on the sides of the side plates on the left and right sides that are close to each other, and sliding blocks are connected to the vertical plates through bolts, and the sliding blocks are slidably connected to the sliding grooves.

Preferably, a protective cover is provided on the outside between the motor, the worm wheel and the worm.

Preferably, the left and right ends of the desk desktop are fixedly connected with a placement frame, an extension board is placed on the placement frame, a plug-in board is provided on the side of the extension board, and a A slot that fits the board.

Compared with the prior art, the beneficial effects of the utility model are:

1) The motor drives the worm to rotate, and then the worm wheel rotates, and the worm wheel drives the screw to rotate, and cooperates with the screw nut and the sliding fit between the vertical plate and the side plate, thereby driving the desk table to move up and down. Self-locking fit, so that the worm wheel cannot drive the worm to rotate, thereby improving the support stability of the desk table top, avoiding up and down movement after being stressed, the overall structure of the device is simple and stable, and easy to use;

2) Through the setting of the shelf, there is an extension board placed on the shelf. When the user needs to lengthen the desk top, the plug-in board can be inserted into the slot, thereby temporarily lengthening the desk top.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is the utility model chute cross-sectional structure schematic diagram;

Fig. 3 is a schematic cross-sectional structural diagram of the connection between the extension board and the desk top of the utility model.

In the figure: 1. Desk desktop; 2. Side panel; 3. Fixed frame; 4. Bearing seat; 5. Screw rod; 6. Screw nut; 7. Bracket; , worm gear; 11, worm; 12, motor; 13, battery; 14, placement frame; 15, extension board;

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

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", "top/bottom" etc. are based on the Orientation or positional relationship is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation on the utility model. limit. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "set with", "sleeve/connection", "connection", etc. should be understood in a broad sense, for example "Connection" 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 a direct connection or an indirect connection through an intermediary, and it can be two components Internal connectivity. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Example:

Please refer to Figures 1-3, the utility model provides a technical solution: an automatically adjustable device for a desk, including a desk desktop 1 and a side panel 2, the number of the side panels 2 is two and the positions correspond to the left and right, and the left and right The bottom between the side plates 2 on both sides is fixedly connected with a support plate 9, and the left and right sides of the bottom of the desk desktop 1 are equipped with a vertical plate 8, and the vertical plate 8 is slidably matched with the side plate 2, so that the office The table top 1 can move up and down stably, a support 7 is installed between the vertical plates 8 on the left and right sides, and a fixed frame 3 is arranged on the upper side of the support plate 9, and the upper end of the fixed frame 3 and the middle part of the support plate 9 Rotationally connected with a screw mandrel 5, the upper and lower ends of the screw mandrel 5 are smooth axial surfaces, the screw mandrel 5 is equipped with a screw mandrel nut 6, and the screw mandrel nut 6 is fixed on the bracket 7 by bolts, and the screw mandrel 5 The lower side is connected with a worm wheel 10 by screws, and the worm wheel 10 is engaged with a worm 11, and the rear end of the worm 11 is connected with a motor 12, and a battery 13 for supplying power to the motor 12 is installed on the support plate 9, and the worm 11 and the worm wheel 10 are self-locking, that is, the lead angle of the worm 11 is smaller than the equivalent friction angle between the teeth of the meshing gear, so it has self-locking property.

The upper end of the fixed frame 3 and the middle part of the support plate 9 are connected with a bearing seat 4 by bolts, and the upper and lower ends of the screw rod 5 are rotationally connected with the bearing seat 4 .

The sides of the side plates 2 on the left and right sides that are close to each other are provided with chute 18 , and the vertical plate 8 is connected with a slider 17 by bolts, and the slider 17 is slidably connected with the chute 18 .

A protective cover is provided on the outside between the motor 12 , the worm wheel 10 and the worm 11 .

The left and right ends of the bottom of the desk desktop 1 are fixedly connected with a placement frame 14, and an extension board 15 is placed on the placement rack 14, and a plug-in board 16 is arranged on the side of the extension board 15, and the width of the extension board 15 is smaller than that of the desk. The width of the desktop 1 enables it to be placed into the placement frame 14 smoothly. The left and right ends of the desk desktop 1 are provided with slots that are compatible with the plugboard 16, and the plugboard 16 is inserted into the slot to extend the extension board 15. It is connected with the desk desktop 1, thereby temporarily lengthening the desk desktop 1, and a threaded hole is provided at the bottom of the slot, and the inserting plate 16 can be pressed tightly by screwing bolts.

Working principle: The motor 12 drives the worm 11 to rotate, and then the worm wheel 10 rotates, and the worm wheel 10 drives the screw 5 to rotate, and cooperates with the screw nut 6 and the sliding fit between the vertical plate 2 and the side plate 8, thereby driving the desk desktop 1. Moving up and down, due to the self-locking cooperation between the worm 11 and the worm wheel 10, the worm wheel 10 cannot drive the worm 11 to rotate, thereby improving the support stability of the desk desktop 1 and avoiding the up and down movement after being stressed. The overall structure of the device is simple and stable. Easy to use, through the setting of the shelf 14, the extension board 15 is placed on the shelf 14, when the user needs to lengthen the desk top 1, the plug-in board 16 can be inserted into the slot, thereby temporarily lengthening the desk top 1 .

The basic principles and main features of the utility model and the advantages of the utility model have been shown and described above. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and without departing from the utility model In the case of the spirit or basic features, the utility model can be realized in other specific forms; therefore, no matter from which point of view, the embodiment should be regarded as exemplary and non-restrictive, and the utility model The scope is defined by the appended claims rather than the above description, so it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any reference signs in the claims should not be used claims that are deemed to be limitations.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. An automatically adjustable device for a desk, comprising a desk desktop (1) and a side panel (2), characterized in that: the number of the side panels (2) is two and the positions correspond to the left and right, and all the left and right sides The bottom between the side plates (2) is fixedly connected with a support plate (9), the left and right sides of the bottom of the desk desktop (1) are equipped with vertical plates (8), and the vertical plates (8) and the side plates (2) sliding fit, a bracket (7) is installed between the vertical plates (8) on the left and right sides, the upper side of the support plate (9) is provided with a fixed mount (3), and the fixed mount (3) A threaded mandrel (5) is rotatably connected between the upper end and the middle part of the support plate (9), and a threaded mandrel nut (6) is installed on the said threaded mandrel (5), and the said threaded mandrel nut (6) is fixed on the support ( 7), the lower side of the screw (5) is connected with a worm wheel (10) by screws, the worm wheel (10) is engaged with a worm (11), and the rear end of the worm (11) is connected with a motor (12), A battery (13) for powering the motor (12) is installed on the support plate (9), and the worm (11) and the worm wheel (10) are self-lockingly matched. 2. A desk automatic adjustment device according to claim 1, characterized in that: the upper end of the fixing frame (3) and the middle part of the support plate (9) are connected with a bearing seat (4) by bolts, The upper and lower ends of the screw rod (5) are rotatably connected with the bearing seat (4). 3. The desk automatic adjustment device according to claim 1, characterized in that: the sides of the side plates (2) on the left and right sides that are close to each other are provided with slide grooves (18), and the vertical A slide block (17) is connected to the plate (8) by bolts, and the slide block (17) is slidably connected with the chute (18). 4. The automatic adjustable desk device according to claim 1, characterized in that: a protective cover is provided on the outside between the motor (12), the worm wheel (10) and the worm (11). 5. A desk automatic adjustment device according to claim 1, characterized in that: the left and right ends of the bottom of the desk desktop (1) are fixedly connected with a placement frame (14), and the placement frame (14) ) is placed with an extension board (15), the side of the extension board (15) is provided with a board (16), and the left and right ends of the desk desktop (1) are provided with slot.

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