Telescopic folding type household chair
By driving the rotating rod to drive the gears by driving the servo motor, the angle adjustment of the leg frame is achieved, solving the problem of the unadjustable angle of the leg cross plate of the existing folding chair, and improving the comfort of the chair.
Patent Information
- Application Number
- CN202420754063.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-12
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-12
AI Technical Summary
The angle of the leg cross-leg plate of the existing folding chair is not adjustable, which affects the user's comfort.
A telescopic folding household chair is designed, using a servo motor to drive the rotating rod to drive the driving gear and speed limit gear. The angle adjustment of the leg frame is controlled by the switch to ensure that the leg frame can be adjusted to a suitable angle according to the needs of the user.
It realizes flexible angle adjustment of the leg frame, improves the comfort of the chair, and facilitates the rotation of the leg frame, allowing users to adjust the comfort of the seat as needed.
Smart Images
Figure CN222129765U_ABST
Abstract
Description
Technical Field
[0001] The present application belongs to the technical field of household chair equipment, and specifically relates to a telescopic and foldable household chair. Background Art
[0002] A folding home chair is a chair designed to save space and be portable. They are usually made of lightweight materials such as plastic, metal or composite materials, and can be folded up for easy storage and transportation. Folding chairs are suitable for a variety of occasions, such as outdoor activities, temporary seating, camping or as additional seating at home. To use, the user simply unfolds the chair to the height and width of a normal sitting position. Folding chairs are usually designed with ergonomics in mind to ensure comfort during use.
[0003] The folding chair in the prior art has a retractable horizontal board on the front side. In order to be more comfortable, the legs are placed on the horizontal board. When the angle of the horizontal board cannot be adjusted, it can only be kept horizontal with the chair, resulting in the inability to adjust according to the actual comfort needs of the user, affecting the comfort. Utility Model Content
[0004] The purpose of the present application is to provide a retractable foldable household chair to solve the problem that the user has a retractable cross board on the front side, and the legs are placed on the cross board for more comfort. However, when the angle of the cross board cannot be adjusted and can only be kept horizontal with the chair, it cannot be adjusted according to the actual comfort needs of the user, thus affecting the comfort.
[0005] The technical solution adopted in the present application is as follows: a telescopic foldable household chair, comprising a chair plate, a servo motor is fixedly connected to the front of the chair plate, a rotating rod is fixedly connected to the output end of the servo motor, a surface fixing sleeve of the rotating rod is provided with a driving gear, a storage groove is opened on the lower surface of the chair plate, a driving column is rotatably connected to the inner wall of the storage groove, a speed limiting gear is provided on the surface fixing sleeve of the driving column, the driving gear and the speed limiting gear are meshed, a leg rest frame is provided on the surface fixing sleeve of the driving column, and a cross column is fixedly connected to the inner ring surface of the leg rest frame.
[0006] By adopting the above technical solution, when the leg rest frame needs to be adjusted, the switch is pressed to turn on the servo motor, the servo motor drives the rotating rod to rotate, the rotating rod drives the driving gear to rotate, the driving gear drives the speed limiting gear to rotate, the speed limiting gear drives the leg rest frame to rotate, until the leg rest frame is driven to a suitable angle, the leg rest frame is stopped from rotating, and then when the user sits on the chair board, the legs are placed on the leg rest frame, so that the device has the effect of facilitating the rotation of the leg rest frame.
[0007] In a preferred embodiment, the lower surface of the chair board is fixedly connected to a limit plate, the side of the limit plate is rotatably connected to a rotating rod, the surface of the rotating rod is fixedly sleeved with chair legs, and the back of the chair legs is fixedly connected to a horizontal plate.
[0008] By adopting the above technical solution and arranging a rotating rod, the chair legs can be rotated when being pushed, and the chair legs can be folded when not in use.
[0009] In a preferred embodiment, a support rod is fixedly connected to the upper surface of the chair plate, and a backrest plate is fixedly connected to the bottom end of the support rod.
[0010] By adopting the above technical solution and providing the armrests, the backrest can be used to make the user lean on it more comfortably.
[0011] In a preferred embodiment, a bracket is fixedly connected to the front surface of the chair plate, a vertical pole is fixedly connected to the upper surface of the bracket, and an armrest is fixedly connected to the upper surface of the vertical pole.
[0012] By adopting the above technical solution and arranging the vertical pole, the user can put both hands on the handrail.
[0013] In a preferred embodiment, a switch is fixedly connected to the lower surface of the armrest.
[0014] By adopting the above technical solution and setting a switch, it is convenient to turn on the servo motor when the user sits on the chair board.
[0015] In a preferred embodiment, the number of the driving gears is two, and the two driving gears are symmetrically arranged on both sides of the rotating rod with the vertical center line of the side surface of the rotating rod as the symmetry axis.
[0016] By adopting the above technical solution and providing two driving gears, the two speed-limiting gears can be used to stably drive the leg rest frame to rotate.
[0017] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:
[0018] 1. In the present application, when the leg rest frame needs to be adjusted, the switch is pressed to turn on the servo motor, and the servo motor drives the rotating rod to rotate, the rotating rod drives the driving gear to rotate, the driving gear drives the speed limiting gear to rotate, and the speed limiting gear drives the leg rest frame to rotate until the leg rest frame is driven to a suitable angle, then the leg rest frame is stopped from rotating, and then when the user sits on the chair board, he puts his legs on the leg rest frame, so that the device has the effect of facilitating the rotation of the leg rest frame. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of the main structure of this application;
[0020] Figure 2 This is a schematic diagram of the structure of the present application when viewed from above;
[0021] Figure 3 This is a schematic diagram of the top view of the leg support frame of the present application.
[0022] Markings in the figure: 1. Chair legs; 2. Chair board; 3. Switch; 4. Bracket; 5. Armrest; 6. Backrest; 7. Limit plate; 8. Horizontal plate; 9. Servo motor; 10. Rotating rod; 11. Speed limiting gear; 12. Leg frame; 13. Horizontal column; 14. Storage slot; 15. Driving gear; 16. Driving column; 17. Support rod; 18. Vertical pole. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0024] Reference Figure 1-3 ,
[0025] Example:
[0026] Reference Figure 2-3 A telescopic foldable household chair comprises a chair plate 2, a servo motor 9 is fixedly connected to the front of the chair plate 2, a rotating rod 10 is fixedly connected to the output end of the servo motor 9, a driving gear 15 is fixedly sleeved on the surface of the rotating rod 10, a storage groove 14 is opened on the lower surface of the chair plate 2, a driving column 16 is rotatably connected to the inner wall of the storage groove 14, a speed limiting gear 11 is fixedly sleeved on the surface of the driving column 16, the driving gear 15 and the speed limiting gear 11 are meshed, a leg rest frame 12 is fixedly sleeved on the surface of the driving column 16, and the leg rest frame The inner ring surface of 12 is fixedly connected with a horizontal column 13. When the leg rest frame 12 needs to be adjusted, the switch 3 is pressed to turn on the servo motor 9. The servo motor 9 drives the rotating rod 10 to rotate. The rotation of the rotating rod 10 drives the driving gear 15 to rotate. The driving gear 15 drives the speed limiting gear 11 to rotate. The speed limiting gear 11 rotates and then drives the leg rest frame 12 to rotate. When the leg rest frame 12 is driven to a suitable angle, the leg rest frame 12 is stopped from rotating. After that, when the user sits on the chair board 2, the legs are placed on the leg rest frame 12.
[0027] Reference Figure 1-2The lower surface of the chair board 2 is fixedly connected to a limit plate 7, and the side of the limit plate 7 is rotatably connected to a rotating rod 10. The surface of the rotating rod 10 is fixedly sleeved with a chair leg 1, and the back of the chair leg 1 is fixedly connected to a horizontal plate 8. By setting the rotating rod 10, the chair leg 1 can rotate when being pushed, and the chair leg 1 can be folded when not in use.
[0028] Reference Figure 2-3 The upper surface of the chair plate 2 is fixedly connected with a support rod 17, and the bottom end of the support rod 17 is fixedly connected with a backrest 6. By arranging the armrest 5, the backrest 6 can be utilized to make the user lean on it more comfortably.
[0029] Reference Figure 2-3 The front of the chair board 2 is fixedly connected with a bracket 4, the upper surface of the bracket 4 is fixedly connected with a vertical rod 18, and the upper surface of the vertical rod 18 is fixedly connected with an armrest 5. By setting the vertical rod 18, the user can put his hands on the armrest 5.
[0030] Reference Figure 1-2 A switch 3 is fixedly connected to the lower surface of the armrest 5. By setting the switch 3, it is convenient to turn on the servo motor 9 when the user sits on the chair board 2.
[0031] Reference Figure 1-2 There are two driving gears 15, and the two driving gears 15 are symmetrically arranged on both sides of the rotating rod 10 with the vertical midline of the side of the rotating rod 10 as the symmetry axis. By setting two driving gears 15, the two speed limiting gears 11 can be used to stably drive the leg frame 12 to rotate.
[0032] The implementation principle of an embodiment of a telescopic and foldable household chair of the present application is as follows: when the leg rest frame 12 needs to be adjusted, the switch 3 is pressed to turn on the servo motor 9, and the servo motor 9 drives the rotating rod 10 to rotate, and the rotation of the rotating rod 10 drives the driving gear 15 to rotate, and the rotation of the driving gear 15 drives the speed limiting gear 11 to rotate, and the rotation of the speed limiting gear 11 drives the leg rest frame 12 to rotate, until the leg rest frame 12 is driven to a suitable angle, the driving of the leg rest frame 12 to rotate is stopped, and then when the user sits on the chair board 2, the legs are placed on the leg rest frame 12, so that the device has the effect of facilitating the rotation of the leg rest frame 12.
[0033] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. A telescopic foldable household chair, comprising a chair plate (2), characterized in that: The front side of the chair plate (2) is fixedly connected to a servo motor (9), the output end of the servo motor (9) is fixedly connected to a rotating rod (10), the surface of the rotating rod (10) is fixedly sleeved with a driving gear (15), the lower surface of the chair plate (2) is provided with a storage groove (14), the inner wall of the storage groove (14) is rotatably connected to a driving column (16), the surface of the driving column (16) is fixedly sleeved with a speed limiting gear (11), the driving gear (15) and the speed limiting gear (11) are meshed, the surface of the driving column (16) is fixedly sleeved with a leg rest frame (12), and the inner ring surface of the leg rest frame (12) is fixedly connected to a cross column (13).
2. A telescopic foldable household chair as claimed in claim 1, characterized in that: The lower surface of the chair plate (2) is fixedly connected to a limit plate (7), the side of the limit plate (7) is rotatably connected to a rotating rod (10), the surface of the rotating rod (10) is fixedly sleeved with a chair leg (1), and the back of the chair leg (1) is fixedly connected to a transverse plate (8).
3. A telescopic foldable household chair as claimed in claim 1, characterized in that: The upper surface of the chair plate (2) is fixedly connected to a support rod (17), and the bottom end of the support rod (17) is fixedly connected to a backrest plate (6).
4. A telescopic foldable household chair as claimed in claim 1, characterized in that: The front surface of the chair board (2) is fixedly connected to a bracket (4), the upper surface of the bracket (4) is fixedly connected to a vertical rod (18), and the upper surface of the vertical rod (18) is fixedly connected to an armrest (5).
5. A telescopic foldable household chair as claimed in claim 4, characterized in that: A switch (3) is fixedly connected to the lower surface of the armrest (5).
6. A telescopic foldable household chair as claimed in claim 1, characterized in that: The number of the driving gears (15) is two, and the two driving gears (15) are symmetrically arranged on both sides of the rotating rod (10) with the vertical center line of the side surface of the rotating rod (10) as the symmetry axis.