Self-adaptive balance adjusting seat
By designing an adaptive balance adjustment mechanism in the seat, using the coordination of connecting rods and support columns, the problem that the existing office chair back cannot be adjusted is solved, dynamic adjustment of the backrest is achieved, and the user's sitting comfort and user experience are improved .
Patent Information
- Application Number
- CN202421045955.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-14
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-05-14
AI Technical Summary
The backrest of the existing office chair can only rotate within a small range and cannot be adjusted according to the user's sitting posture, resulting in users prone to back pain after a long time of use, and the product experience is poor.
An adaptive balance adjustment seat is designed, which is connected to the backrest and the cushion shaft through a first connecting rod, and the second connecting rod is connected to the base and the cushion shaft, so that the backrest can generate adaptive balance automatic adjustment through the pressure of the user's own body weight. The backrest can run at any angle, providing better sitting comfort.
Through the adaptive balance adjustment mechanism, the backrest can be dynamically adjusted according to the user's sitting posture, which improves the user's sitting comfort, reduces the occurrence of back pain, and improves the product's user experience.
Smart Images
Figure CN222323186U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of seats, in particular to an adaptive balance-adjusting seat. Background Art
[0002] Currently, the backrests of office chairs on the market can generally only rotate within a small range and cannot be adjusted well according to the user's sitting posture. After using the product for a long time, users are prone to back pain, and the product experience is poor. Utility Model Content
[0003] The purpose of the utility model is to overcome the shortcomings of the prior art. The utility model provides an adaptive balance adjustment seat, which is connected to the backrest and the seat cushion shaft on both sides of the first connecting rod, and the second connecting rod is connected to the base and the seat cushion shaft on both sides, so that when the backrest is leaned back by the user's own weight, multiple mechanical fulcrums are pressed, thereby generating adaptive balance automatic adjustment, and the backrest can move at any angle, so that the user feels comfortable. The utility model provides an adaptive balance adjustment seat, which includes a seat cushion, a backrest and a base;
[0004] The seat cushion is located on the backrest, and one side of the base is connected to one side of the backrest;
[0005] A first connecting rod is provided on one side of the backrest, one side of the first connecting rod is connected to a rotating shaft on one side of the backrest, and the other side of the first connecting rod is connected to the rotating shaft of the seat cushion;
[0006] A second connecting rod is provided on the other side of the base, one side of the second connecting rod is connected to the rotating shaft on the other side of the base, and the other side of the second connecting rod is connected to the rotating shaft of the seat cushion.
[0007] Furthermore, one side of the seat cushion is connected to the backrest based on the first connecting rod.
[0008] Furthermore, the other side of the seat cushion is connected to the base based on the second connecting rod.
[0009] Furthermore, a first button is provided on one side of the seat cushion, and the first button is used to control the rotation range of the backrest.
[0010] Furthermore, armrests are provided on both sides of the base, and the armrests are connected to both sides of the base.
[0011] Furthermore, a first support column and a second support column are provided at the bottom of the base, and one end of the first support column is located inside the second support column;
[0012] One end of the first support column extends outward, or one end of the first support column shrinks toward the inside of the second support column.
[0013] Furthermore, a second button is provided on the other side of the seat cushion, and the second button is used to control the extension or contraction of the first support column.
[0014] The utility model provides an adaptive balance adjustment chair, in which the two sides of a first connecting rod are respectively connected to the backrest and the seat cushion rotation shaft, and the two sides of a second connecting rod are connected to the base and the seat cushion rotation shaft, so that when the backrest leans back due to the user's own weight, multiple mechanical fulcrums are pressed, thereby generating adaptive balance and automatic adjustment. The backrest can move at any angle, making the user feel comfortable. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0016] Figure 1 It is a structural schematic diagram of the adaptive balance adjustment seat in the utility model;
[0017] Figure 2 It is a structural schematic diagram of one side of the adaptive balance adjustment seat in the utility model;
[0018] Figure 3 It is a structural schematic diagram of the first support column in the utility model;
[0019] Figure 4 It is a structural schematic diagram of the swing module in the utility model;
[0020] Figure 5 It is a structural schematic diagram of the buckle in the utility model. 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 of 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] See also Figure 1-5The adaptive balance adjustment seat comprises a seat cushion 1, a backrest 2 and a base 3; the seat cushion 1 is located on the backrest 2, and one side of the base 3 is connected to one side of the backrest 2; a first connecting rod 21 is provided on one side of the backrest 2, one side of the first connecting rod 21 is connected to the rotating shaft of one side of the backrest 2, and the other side of the first connecting rod 21 is connected to the rotating shaft of the seat cushion 1; a second connecting rod 31 is provided on the other side of the base 3, one side of the second connecting rod 31 is connected to the rotating shaft of the other side of the base 3, and the other side of the second connecting rod 31 is connected to the rotating shaft of the seat cushion 1.
[0023] Specifically, a first connection block 35 and a second connection block 36 are provided in the base 3 . The first connection block 35 and the second connection block 36 are adapted to the base 3 . The first connection block 35 and the second connection block 36 are assembled in the base 3 .
[0024] A swing module 37 is provided in the base 3 . The swing module 37 is adapted to the base 3 and is assembled in the base 3 .
[0025] The swing module 37 includes a limiting shaft 371, a rotating shaft 372, a first torsion spring 373, a second torsion spring 374 and a swing seat 375. The two ends of the limiting shaft 371 are plugged into the two sides of the swing seat 375, the rotating shaft 372 is located on one side of the limiting shaft 371, and the two ends of the rotating shaft 372 are plugged into the two sides of the swing seat 375; one end of the first torsion spring 373 and one end of the second torsion spring 374 are respectively mounted on the two ends of the rotating shaft 372, and the other end of the first torsion spring 373 and the other end of the second torsion spring 374 are respectively plugged into one side of the first connecting block 35 and one side of the second connecting block 36.
[0026] Furthermore, one side of the seat cushion 1 is connected to the backrest based on the first connecting rod 21 .
[0027] Furthermore, the other side of the seat cushion 1 is connected to the base based on the second connecting rod 31.
[0028] Specifically, when the user sits down and the seat cushion 1 tilts backward, due to gravity, the first connecting rod 21 tilts toward the backrest 2, and the angle between the backrest 2 and the base 3 is increased based on the first torsion spring 373 and the second torsion spring 374, so that the backrest 2 tilts backward; when the user sits down and the seat cushion 1 tilts forward, due to gravity, the second connecting rod 31 tilts away from the backrest 2, and the angle between the backrest 2 and the base 3 is reduced based on the first torsion spring 373 and the second torsion spring 374, so that the backrest 2 tilts forward; the backrest 2 can be rotated and adjusted according to the different sitting postures of the users, so that the backrest 2 can fit well with the user's back, thereby improving the comfort of the user when using the product.
[0029] Furthermore, a first button 11 is provided on one side of the seat cushion 1 , and the first button 11 is used to control the rotation amplitude of the backrest 2 .
[0030] Specifically, the swing module 37 includes a buckle 376, one end of the buckle 376 is located in the buckle groove, and one end of the buckle 376 is slidably connected to the buckle groove; a connecting line 111 is provided on the first button 11, one end of the connecting line 111 is connected to the first button 11, and the other end of the connecting line 111 is connected to the buckle 376.
[0031] When the first button 11 is flipped and lifted up until one side of the first button 11 is against one side of the cushion 1, one end of the buckle 376 is located on one side of the buckle slot, and the cushion 1 and the backrest 2 are fixed to a certain position; when the first button 11 is flipped and pressed down until one side of the first button 11 is away from the side of the cushion 1, one end of the buckle 376 is located on the other side of the buckle slot, and the backrest 2 can rotate forward or backward according to the user's sitting posture.
[0032] Furthermore, armrests 32 are provided on both sides of the base 3 , and the armrests 32 are connected to both sides of the base 3 .
[0033] Specifically, placing the user's hands on the armrest 32 can increase the comfort of using the product.
[0034] Furthermore, a first support column 33 and a second support column 34 are provided at the bottom of the base 3, and one end of the first support column 33 is located inside the second support column 34; one end of the first support column 33 extends outward, or one end of the first support column 33 is retracted into the second support column 34.
[0035] Furthermore, a second button 12 is provided on the other side of the seat cushion 1 , and the second button 12 is used to control the extension or contraction of the first support column 33 .
[0036] Specifically, when the second button 12 is flipped and lifted up until one side of the second button 12 is against one side of the seat cushion 1, the seat cushion 1 is fixed at a certain height; when the second button 12 is flipped and pressed down until one side of the second button 12 is away from the side of the seat cushion 1, one end of the first support column 33 extends outward, or one end of the first support column 33 contracts toward the inside of the second support column 34, so that the seat cushion 1 is adjusted to a certain height.
[0037] The utility model provides an adaptive balance-adjustable chair, when the user sits down and the seat cushion 1 tilts backward, the first connecting rod 21 tilts toward the backrest 2, and the backrest 2 tilts backward; when the user sits down and the seat cushion 1 tilts forward, the second connecting rod 31 tilts away from the backrest 2, and the backrest 2 tilts forward; the backrest 2 can be rotated and adjusted according to the different sitting postures of the user, so that the backrest 2 can fit the user's back well, thereby improving the user's comfort when using the product.
[0038] In addition, the above is a detailed introduction to the adaptive balance adjustment seat provided by the embodiment of the utility model. Specific examples are used in this article to illustrate the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of the utility model. At the same time, for general technical personnel in this field, according to the idea of the utility model, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the utility model.
Claims
1. An adaptive balance adjustment seat, characterized in that: The self-adaptive balance-adjustable seat comprises a seat cushion, a backrest and a base; The seat cushion is located on the backrest, and one side of the base is connected to one side of the backrest; A first connecting rod is provided on one side of the backrest, one side of the first connecting rod is connected to a rotating shaft on one side of the backrest, and the other side of the first connecting rod is connected to the rotating shaft of the seat cushion; A second connecting rod is provided on the other side of the base, one side of the second connecting rod is connected to the rotating shaft on the other side of the base, and the other side of the second connecting rod is connected to the rotating shaft of the seat cushion.
2. The adaptive balance adjustment seat according to claim 1, characterized in that: One side of the seat cushion is connected to the backrest based on the first connecting rod.
3. The adaptive balance adjustment seat according to claim 1, characterized in that: The other side of the seat cushion is connected to the base based on the second connecting rod.
4. The adaptive balance adjustment seat according to claim 1, characterized in that: A first button is provided on one side of the seat cushion, and the first button is used to control the rotation range of the backrest.
5. The adaptive balance adjustment seat according to claim 1, characterized in that: Armrests are provided on both sides of the base, and the armrests are connected to both sides of the base.
6. The adaptive balance adjustment seat according to claim 1, characterized in that: The bottom of the base is provided with a first support column and a second support column, and one end of the first support column is located inside the second support column; One end of the first support column extends outward, or one end of the first support column shrinks toward the inside of the second support column.
7. The adaptive balance adjustment seat according to claim 6, characterized in that: A second button is provided on the other side of the seat cushion, and the second button is used to control the extension or contraction of the first support column.