Adjustable learning chair
By setting up an adjustment mechanism between the support frame and the backrest of the learning chair, the front and rear distance adjustment of the backrest is achieved, which solves the problem of insufficient fit of the existing learning chair back and improves the user's comfort and learning efficiency.
Patent Information
- Application Number
- CN202421857868.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-02
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-08-02
AI Technical Summary
The existing study chair lacks the design of back fit, which may cause back pain during use.
An adjustable learning chair is designed, by providing an adjustment mechanism between the seat support frame and the backrest, allowing the front and rear distance of the backrest to be adjusted to fit the user's back. The adjustment mechanism includes a moving member, a fixing member, a slot and a spring. Through the cooperation of the clamp and the rotating shaft, a flexible adjustment of the backrest is achieved.
By adjusting the position of the backrest, it can effectively reduce back pain and improve user comfort and learning efficiency.
Smart Images
Figure CN222898642U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of learning chairs, in particular to an adjustable learning chair. Background Art
[0002] Study chairs are essential tools for children to study. Most of the study chairs on the market can be adjusted in height, sitting posture and comfort to help children achieve efficient learning to the greatest extent. However, existing study chairs lack design considerations on back fit. Study chairs do not have a backrest adjustment function and cannot meet the back fit requirements during use. Sitting on the chair for a long time will cause some back pain. Utility Model Content
[0003] The utility model aims to solve the problems in the prior art and provides an adjustable learning chair.
[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0005] An adjustable learning chair comprises a seat and a support frame connected to the seat, the support frame being connected to armrests and a backrest, an adjustment mechanism being connected between the support frame and the backrest; the adjustment mechanism comprises a moving part fixedly connected to the backrest; a moving groove is provided in the moving part; a fixing part matching the moving groove is connected to the support frame; a plurality of slots are arranged at the upper end of the fixing part; a butt plate is connected to the moving part; a card plate is connected to the lower end of the butt plate; a tooth groove matching the slot is provided at the lower end of the card plate; the moving part is carded to the fixing part via the butt plate.
[0006] Preferably, a groove is provided on the upper end of the abutment plate; a clamp is connected to the groove; a rotating shaft is connected to the clamp; the clamp is rotatably connected to the moving part via the rotating shaft; a protrusion is connected to the other end of the clamp; and the abutment plate moves downward by abutting against the protrusion.
[0007] Preferably, a spring is connected to the lower end of the abutment plate; and the other end of the spring is fixedly connected to the upper end of the moving member.
[0008] Preferably, connecting blocks are connected to both ends of the support frame; and the connecting block is arranged at the lower end of the seat; the lower end of the seat is also connected to a connecting plate; a screw is connected between the connecting plate and the connecting block; the connecting plate and the connecting block are fixedly connected by the screw.
[0009] Preferably, a slide groove is provided in the connecting plate; a slider is slidably connected in the slide groove; U-shaped plates are fixedly connected on both sides of the slider; and the U-shaped plate is slidably connected to the slide groove.
[0010] Preferably, the screw rod passes through the connecting block, the connecting plate and the sliding block in sequence from bottom to top and is connected with a clamping block; the lower end of the screw rod is connected with a knob; the clamping block moves up and down on the upper end of the sliding block through the rotation of the screw rod.
[0011] Preferably, a support column is connected to the lower end of the seat; a base is connected to the lower end of the support column; and a moving component is connected to the base.
[0012] Compared with the prior art, the utility model provides an adjustable learning chair, which has the following beneficial effects:
[0013] The adjustable learning chair is provided with an adjustment mechanism between a support frame and a backrest of the seat, and the clamping piece is rotated to make the protrusion press downward against the abutment plate until the clamping plate is engaged with the clamping groove, so that the movable piece and the fixed piece can be directly engaged and fixed. When adjustment is needed, the clamping piece is rotated in the opposite direction to make the protrusion horizontal, so that the clamping plate can be separated from the clamping groove after rebounding by a spring, and the movable piece can be moved and adjusted, thereby adjusting the front and rear distance of the backrest to make it fit the back of the user; and a connecting plate is connected between the support frame and the seat. When in use, the support frame is connected to the slider by a screw rod and slides back and forth in the slide groove, so that the entire support frame can be adjusted front and back, and after the adjustment is completed, it can be abutted and fixed by rotating the screw rod, which is convenient for adjusting the position of the support frame to make it more suitable for the user.
[0014] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a structural schematic diagram of the utility model;
[0016] Figure 2 It is a structural schematic diagram of the adjustment mechanism of the utility model;
[0017] Figure 3 It is a partial structural schematic diagram of the utility model;
[0018] Figure 4 It is a structural schematic diagram of the mobile mechanism of the utility model.
[0019] In the figure: 10, seat; 11, support frame; 12, armrest; 13, backrest; 14, support column; 15, base; 16, moving component; 20, adjustment mechanism; 21, moving part; 22, moving groove; 23, fixing part; 24, clamping groove; 25, abutment plate; 26, clamping plate; 27, groove; 31, clamping part; 32, rotating shaft; 33, protrusion; 34, spring; 41, connecting block; 42, connecting plate; 421, slide groove; 43, slider; 44, U-shaped plate; 45, screw; 46, clamping block; 47, knob. DETAILED DESCRIPTION
[0020] The following will refer to Figure 1-4 , the specific implementation of the adjustable learning chair in the utility model is introduced, including a seat 10 and a support frame 11 connected to the seat 10, the support frame 11 is connected to an armrest 12 and a backrest 13, an adjustment mechanism 20 is connected between the support frame 11 and the backrest 13; the adjustment mechanism 20 includes a moving member 21 fixedly connected to the backrest 13; a moving groove 22 is provided in the moving member 21; a fixing member 23 matching the moving groove 22 is connected to the support frame 11; a plurality of card slots 24 are arranged at the upper end of the fixing member 23; a butt plate 25 is connected to the moving member 21; a card plate 26 is connected to the lower end of the butt plate 25; a tooth groove matching the card slot 24 is provided at the lower end of the card plate 26; the moving member 21 is carded with the fixing member 23 through the butt plate 25.
[0021] In order to facilitate the rapid opening and locking of the movable member 21 and the fixed member 23, a groove 27 is provided at the upper end of the support plate 25; a clamp 31 is connected to the groove 27; a rotating shaft 32 is connected to the clamp 31; the clamp 31 is rotatably connected to the movable member 21 via the rotating shaft 32; a protrusion 33 is connected to the other end of the clamp 31; the support plate 25 is moved downward by abutting against the protrusion 33, and a spring 34 is connected to the lower end of the support plate 25; the other end of the spring 34 is fixedly connected to the upper end of the movable member 21.
[0022] When in use, the clamping member 31 is rotated to make the protrusion 33 press downward against the abutment plate 25 until the clamping plate 26 is engaged with the clamping groove 24, so that the movable member 21 and the fixed member 23 can be directly engaged and fixed. When adjustment is needed, the clamping member 31 is rotated in the opposite direction to make the protrusion 33 horizontal, so that the clamping plate 26 can be separated from the clamping groove 24 after the spring rebounds, and the movable member 21 can be moved and adjusted, thereby adjusting the front and rear distance of the backrest 13.
[0023] The support frame 11 is connected with connecting blocks 41 at both ends; and the connecting block 41 is arranged at the lower end of the seat 10; the lower end of the seat 10 is also connected with a connecting plate 42; a screw 45 is connected between the connecting plate 42 and the connecting block 41; the connecting plate 42 and the connecting block 41 are fixedly connected by the screw 45. A slide groove 421 is provided in the connecting plate 42; a slider 43 is slidably connected in the slide groove 421; U-shaped plates 44 are fixedly connected on both sides of the slider 43; the U-shaped plate 44 is slidably connected to the slide groove 421. The screw 45 passes through the connecting block 41, the connecting plate 42 and the slider 43 from bottom to top and is connected with a clamping block 46; a knob is connected to the lower end of the screw 45; the clamping block 46 moves up and down on the upper end of the slider 43 through the rotation of the screw 45. When in use, the support frame 11 is connected to the slider 43 through the screw 45 to slide back and forth in the slide groove 421, so that the support frame 11 as a whole can be adjusted forward and backward to adjust the position of the support frame 11
[0024] In order to adapt to the use with the seat 10 , a support column 14 is connected to the lower end of the seat 10 ; a base 15 is connected to the lower end of the support column 14 ; and a moving component 16 is connected to the base 15 .
[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. An adjustable study chair, comprising a seat (10) and a support frame (11) connected to the seat (10), wherein the support frame (11) is connected to an armrest (12) and a backrest (13), characterized in that: An adjustment mechanism (20) is connected between the support frame (11) and the backrest (13); the adjustment mechanism (20) comprises a moving member (21) fixedly connected to the backrest (13); a moving groove (22) is provided in the moving member (21); a fixing member (23) matching the moving groove (22) is connected to the support frame (11); a plurality of clamping grooves (24) are arranged at the upper end of the fixing member (23); an abutment plate (25) is connected to the moving member (21); a clamping plate (26) is connected to the lower end of the abutment plate (25); a tooth groove matching the clamping groove (24) is provided at the lower end of the clamping plate (26); and the moving member (21) is clamped with the fixing member (23) via the abutment plate (25).
2. The adjustable study chair according to claim 1, characterized in that: The upper end of the abutment plate (25) is provided with a groove (27); the groove (27) is connected to a clamping member (31); the clamping member (31) is connected to a rotating shaft (32); the clamping member (31) is rotatably connected to the moving member (21) via the rotating shaft (32); the other end of the clamping member (31) is connected to a protrusion (33); the abutment plate (25) moves downward by abutting against the protrusion (33).
3. The adjustable study chair according to claim 1, characterized in that: The lower end of the abutment plate (25) is connected to a spring (34); the other end of the spring (34) is fixedly connected to the upper end of the moving member (21).
4. The adjustable study chair according to claim 1, characterized in that: The two ends of the support frame (11) are connected with connecting blocks (41); and the connecting block (41) is arranged at the lower end of the seat (10); the lower end of the seat (10) is also connected with a connecting plate (42); a screw rod (45) is connected between the connecting plate (42) and the connecting block (41); the connecting plate (42) and the connecting block (41) are fixedly connected by the screw rod (45).
5. The adjustable study chair according to claim 4, characterized in that: A sliding groove (421) is provided in the connecting plate (42); a sliding block (43) is slidably connected in the sliding groove (421); U-shaped plates (44) are fixedly connected to both sides of the sliding block (43); and the U-shaped plate (44) is slidably connected to the sliding groove (421).
6. The adjustable study chair according to claim 4, characterized in that: The screw rod (45) passes through the connecting block (41), the connecting plate (42) and the sliding block (43) in sequence from bottom to top and is connected to a clamping block (46); a knob is connected to the lower end of the screw rod (45); and the clamping block (46) moves up and down on the upper end of the sliding block (43) through the rotation of the screw rod (45).
7. The adjustable study chair according to claim 1, characterized in that: The lower end of the seat (10) is connected to a support column (14); the lower end of the support column (14) is connected to a base (15); and the base (15) is connected to a moving component (16).