Dining chair with adjusting function

By using the worm gear and worm transmission system and servo motor drive method in the dining chair, the problem of unstable adjustment of the existing dining chair height is solved, and flexible adjustment of the dining chair height and structural stability are achieved.

CN222853464UActive Publication Date: 2025-05-13ENPING CHAOTENGWEI HOME FURNISHING TECH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421562434.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-04
Publication Date
2025-05-13
Estimated Expiration
2034-07-04

AI Technical Summary

Technical Problem

The height adjustment structure of the existing dining chairs is not comprehensive, and it is supported by hollow poles alone. The structure is unstable and cannot be adjusted by itself, making it difficult to meet the needs of users.

Method used

A transmission system that cooperates with the worm gear and the worm, combined with the servo motor drive, realizes the height adjustment of the dining chair body through the coordination of the limiting parts and the mounting parts.

Benefits of technology

It realizes flexible adjustment of the height of the dining chair, improves the stability of the structure and the convenience of use, and is simple and easy to operate.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222853464U_ABST
    Figure CN222853464U_ABST
Patent Text Reader

Abstract

The utility model discloses a dining chair with an adjusting function, which relates to the technical field of chairs and comprises an adjusting structure, the adjusting structure comprises a fixing plate, one side of the fixing plate is fixedly connected with a connecting rod, the bottom of the fixing plate is fixedly connected with a servo motor, and the output end of the servo motor is fixedly connected with a worm. A rotating rod is fixedly connected to the worm gear; a fixing piece is movably connected to the rotating rod; a transmission piece is fixedly connected to the side, away from the worm gear, of the fixing piece; a limiting piece is fixedly connected to one side of the transmission piece; according to the dining chair, the worm gear and the worm are matched with each other to rotate the transmission part, so that transmission is more stable, meanwhile, the limiting part and the mounting part are arranged and movably connected in a sleeved mode, the height of the mounting part and the height of the dining chair body are adjusted, and the stability of the structure is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of seats, in particular to a dining chair with an adjustment function. Background Art

[0002] A dining chair, as the name suggests, is a chair specifically used for dining. It is one of the important pieces of furniture in a restaurant or family dining area, providing diners with comfortable sitting support, making the dining process more pleasant and relaxing. The design of a dining chair usually combines functionality and aesthetics. It must not only meet basic sitting needs, but also be coordinated with the dining table and the overall restaurant decoration style. The materials, styles and colors of dining chairs are diverse, and can be selected according to different dining environments and personal preferences. In terms of material, dining chairs can be made of solid wood, metal, plastic or a combination of these materials. Solid wood dining chairs have a warm texture and are naturally simple; metal dining chairs have simple lines and a modern feel; and plastic dining chairs are usually brightly colored and suitable for outdoor or children's use. In terms of function, modern dining chairs may be equipped with some additional features, such as adjustable height, rotatable or foldable, to increase flexibility and convenience of use.

[0003] Chinese patent CN218898926U discloses a multifunctional chair with adjustable height, including a seat plate, wherein the lower end surface of the seat plate is fixedly connected to columns at four corners, the outer walls of the four columns are provided with hollow rods at the lower ends, the outer walls of the four hollow rods are provided with bottom pipe clamps at the top ends, the four hollow rods are fixedly connected to the second fixing plate between the front and rear sides of the four hollow rods, the first fixing plate is fixedly connected to the two hollow rods on one side and the other side of the four hollow rods, and the middle of the upper end surface of the seat plate is provided with a hollow rod. A square hole is opened in the middle position, and a protruding ring plate is fixedly connected to the inner wall of the square hole near the bottom position. The chair has a simple structure and can quickly reach the required height through the design of hollow rods and bottom tube clamps. It is more solid, and the design of support rods can provide students with equipment for lunch breaks. The design of the breathable net has better air permeability, and it is made of breathable material and is not prone to burrs. However, the structure has certain defects. The height adjustment structure is not comprehensive, and it is only supported and fixed by hollow rods. The structure is unstable and cannot be adjusted by itself, which makes it difficult to meet the user's needs.

[0004] Therefore, in order to solve such problems, we propose a dining chair with an adjustable function. Utility Model Content

[0005] The purpose of the utility model is to solve certain defects in the structure of the prior art, the height adjustment structure is not comprehensive, it only relies on hollow rods for support and fixation, the structure is unstable, cannot be adjusted by itself, and it is difficult to meet the needs of users, and a dining chair with adjustment function is proposed.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a dining chair with an adjustment function, comprising an adjustment structure, the adjustment structure comprising a fixed plate, one side of the fixed plate is fixedly connected to a connecting rod, the bottom of the fixed plate is fixedly connected to a servo motor, the output end of the servo motor is fixedly connected to a worm, the side of the worm close to the connecting rod is meshedly connected to a worm wheel, the worm wheel is fixedly connected to a rotating rod, the rotating rod is movably connected to a fixing member, the side of the fixed member away from the worm wheel is fixedly connected to a transmission member, one side of the transmission member is fixedly connected to a limiting member, a movable bolt is movably connected in the limiting member, both sides of the movable bolt are fixedly connected to sliders, and the movable bolt is fixedly connected to a mounting member;

[0007] A column is fixedly connected to one side of the connecting rod away from the fixed plate, a sliding groove is opened on the outer wall of the column, a limit column is fixedly connected inside the column, a telescopic rod is provided on one side of the column, a protective net is fixedly connected to the telescopic rod, a dining chair body is fixedly connected to the top of the telescopic rod, a switch is fixedly connected to the top of the dining chair body, the worm is driven by a servo motor to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the rotating rod to rotate, the rotating rod drives the transmission part and the limit part to deflect, so that the mounting part drives the dining chair body to move up and down.

[0008] Preferably, a supporting structure is provided at the bottom of the column, and the supporting structure includes a bottom plate fixedly connected to the bottom of the column, and a supporting leg is fixedly connected to the bottom of the bottom plate.

[0009] Preferably, a telescopic rod is provided on one side of the column.

[0010] Preferably, a movable bolt is movably connected inside the limit member, sliders are fixedly connected to both sides of the movable bolt, a mounting member is fixedly connected to the movable bolt, a side of the connecting rod away from the fixed plate is fixedly connected to a column, and a sliding groove is opened on the outer wall of the column.

[0011] Preferably, one side of the transmission member is fixedly connected to a limiting member.

[0012] Preferably, a servo motor is fixedly connected to the bottom of the fixing plate, and a switch is fixedly connected to the top of the dining chair body.

[0013] The utility model has the following beneficial effects:

[0014] In the utility model, the worm wheel and the worm are used to cooperate with each other to realize the rotation of the transmission member, so that the transmission is more stable. A limit member and a mounting member are provided, which are movably connected to each other so that the height of the mounting member and the dining chair body can be adjusted. A limit column is provided to limit the rotation angle of the limit member and the transmission member. At the same time, a telescopic rod and a protective net are provided. The protective net prevents the body of the customer from touching the internal components when dining. The telescopic rod plays an auxiliary role in the process of adjusting the height, thereby improving the stability of the structure. The structure is simple and easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional schematic diagram of a dining chair with an adjustable function proposed by the utility model;

[0016] Figure 2 This is a three-dimensional exploded view of a dining chair with an adjustable function proposed by the utility model;

[0017] Figure 3 This is a three-dimensional exploded view of the adjustment structure of a dining chair with an adjustment function proposed by the utility model;

[0018] Figure 4 This is a three-dimensional exploded view of an adjustment member of a dining chair with an adjustment function proposed by the utility model.

[0019] Legend:

[0020] 1. Adjustment structure; 11. Fixed plate; 111. Connecting rod; 12. Servo motor; 121. Worm; 13. Worm wheel; 131. Rotating rod; 132. Fixing piece; 14. Transmission piece; 141. Limiting piece; 142. Movable bolt; 143. Sliding block; 144. Mounting piece; 15. Column; 151. Slide; 152. Limiting column; 16. Telescopic rod; 161. Protective net; 17. Dining chair body; 171. Switch; 2. Support structure; 21. Bottom plate; 22. Leg. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present 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 understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0023] Reference Figure 1-4 The utility model provides an embodiment: a dining chair with an adjustment function, comprising an adjustment structure 1, the adjustment structure 1 comprising a fixed plate 11, the fixed plate 11 is used to fix a connecting rod 111, one side of the fixed plate 11 is fixedly connected with the connecting rod 111, the connecting rod 111 is used to connect the fixed plate 11 and the column 15, the bottom of the fixed plate 11 is fixedly connected with a servo motor 12, the servo motor 12 is used to drive a worm 121, the output end of the servo motor 12 is fixedly connected with the worm 121, the worm 121 is used to drive a worm wheel 13 to rotate, the worm 121 is meshedly connected with a worm wheel 13 on one side close to the connecting rod 111, the worm wheel 13 is used to drive a rotating rod 131 to rotate, and the rotating rod 131 is fixedly connected to the worm wheel 13, The function of the rotating rod 131 is to drive the transmission member 14 to rotate. The rotating rod 131 is movably connected with a fixing member 132. The function of the fixing member 132 is to limit the rotating rod 131. The side of the fixing member 132 away from the worm gear 13 is fixedly connected with the transmission member 14. The function of the transmission member 14 is to fix the limiting member 141. One side of the transmission member 14 is fixedly connected with the limiting member 141. The function of the limiting member 141 is transmission. A movable bolt 142 is movably connected in the limiting member 141. The function of the movable bolt 142 is to fix the mounting member 144. Slide blocks 143 are fixedly connected on both sides of the movable bolt 142. The function of the slide block 143 is to limit. The movable bolt 142 is fixedly connected with a mounting member 144. The function of the mounting member 144 is to fix the dining chair body 17.

[0024] A column 15 is fixedly connected to the side of the connecting rod 111 away from the fixed plate 11. The function of the column 15 is to fix the connecting rod 111. A slide groove 151 is provided on the outer wall of the column 15. The function of the slide groove 151 is to install the slider 143. A limiting column 152 is fixedly connected inside the column 15. The function of the slide groove 151 is to install the slider 143. A telescopic rod 16 is provided on one side of the column 15. The function of the telescopic rod 16 is auxiliary support. A protective net 161 is fixedly connected to the telescopic rod 16. The function of the protective net 161 is protection. The top of the telescopic rod 16 is fixedly connected to the dining chair body 17. The top of the dining chair body 17 is fixedly connected to a switch 171. The function of the switch 171 is to control the servo motor 12.

[0025] The servo motor 12 drives the worm 121 to rotate, the worm 121 drives the worm wheel 13 to rotate, the worm wheel 13 drives the rotating rod 131 to rotate, the rotating rod 131 drives the transmission member 14 and the limit member 141 to deflect, and then the mounting member 144 drives the dining chair body 17 to move up and down.

[0026] A support structure 2 is provided at the bottom of the column 15 . The support structure 2 includes a bottom plate 21 fixedly connected to the bottom of the column 15 , and a support leg 22 is fixedly connected to the bottom of the bottom plate 21 .

[0027] A telescopic rod 16 is provided on one side of the column 15 , and the fixing plate 11 and the bottom plate 21 are fixedly connected via the telescopic rod 16 .

[0028] A movable bolt 142 is movably connected inside the limiting member 141, sliders 143 are fixedly connected to both sides of the movable bolt 142, a mounting member 144 is fixedly connected to the movable bolt 142, a side of the connecting rod 111 away from the fixed plate 11 is fixedly connected to the column 15, a sliding groove 151 is provided on the outer wall of the column 15, and the mounting member 144 and the column 15 are slidably connected through the movable bolt 142, the slider 143 and the sliding groove 151.

[0029] One side of the transmission member 14 is fixedly connected to a limiting member 141 , and the limiting member 141 is movably connected to the mounting member 144 via a movable bolt 142 .

[0030] The bottom of the fixing plate 11 is fixedly connected to a servo motor 12 , the top of the dining chair body 17 is fixedly connected to a switch 171 , and the servo motor 12 is electrically connected to the switch 171 .

[0031] Working principle: When guests need to adjust the height when dining, they manually press the switch 171 to start the servo motor 12. The servo motor 12 drives the worm 121 to rotate, the worm 121 drives the worm wheel 13 to rotate, the worm wheel 13 drives the rotating rod 131 to rotate, the rotating rod 131 drives the transmission member 14 and the limit member 141 to deflect, the limit member 141 drives the mounting member 144 and the movable bolt 142 to perform lifting movements, and then the mounting member 144 drives the dining chair body 17 to perform lifting movements, thereby achieving the effect of height adjustment of the dining chair body 17. The structure is simple and easy to operate.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A dining chair with an adjustment function, comprising an adjustment structure (1), characterized in that: The adjustment structure (1) comprises a fixed plate (11), one side of the fixed plate (11) is fixedly connected to a connecting rod (111), the bottom of the fixed plate (11) is fixedly connected to a servo motor (12), the output end of the servo motor (12) is fixedly connected to a worm (121), the side of the worm (121) close to the connecting rod (111) is meshingly connected to a worm wheel (13), a rotating rod (131) is fixedly connected to the worm wheel (13), a fixing member (132) is movably connected to the rotating rod (131), a transmission member (14) is fixedly connected to the side of the fixing member (132) away from the worm wheel (13), a limiting member (141) is fixedly connected to one side of the transmission member (14), a movable bolt (142) is movably connected in the limiting member (141), sliders (143) are fixedly connected to both sides of the movable bolt (142), and a mounting member (144) is fixedly connected to the movable bolt (142); The side of the connecting rod (111) away from the fixed plate (11) is fixedly connected to a column (15), a sliding groove (151) is provided on the outer wall of the column (15), a limiting column (152) is fixedly connected inside the column (15), a telescopic rod (16) is provided on one side of the column (15), a protective net (161) is fixedly connected to the telescopic rod (16), a dining chair body (17) is fixedly connected to the top of the telescopic rod (16), a switch (171) is fixedly connected to the top of the dining chair body (17), the servo motor (12) drives the worm (121) to rotate, the worm (121) drives the worm wheel (13) to rotate, the worm wheel (13) drives the rotating rod (131) to rotate, the rotating rod (131) drives the transmission member (14) and the limiting member (141) to deflect, so that the mounting member (144) drives the dining chair body (17) to perform lifting movement.

2. A dining chair with an adjustable function according to claim 1, characterized in that: A support structure (2) is provided at the bottom of the column (15), and the support structure (2) comprises a bottom plate (21) fixedly connected to the bottom of the column (15), and a support leg (22) is fixedly connected to the bottom of the bottom plate (21).

3. The dining chair with an adjustable function according to claim 1, characterized in that: The fixed plate (11) and the bottom plate (21) are fixedly connected via a telescopic rod (16).

4. The dining chair with an adjustable function according to claim 1, characterized in that: The mounting member (144) and the column (15) are slidably connected via a movable bolt (142), a sliding block (143) and a sliding groove (151).

5. The dining chair with an adjustable function according to claim 1, characterized in that: The limiting member (141) and the mounting member (144) are movably connected via a movable bolt (142).

6. The dining chair with an adjustable function according to claim 1, characterized in that: The servo motor (12) is electrically connected to the switch (171).

Citation Information

Patent Citations

  • Multifunctional chair with adjustable height

    CN218898926U