Double-back-frame chair back structure
A back frame and chair back technology, which is applied to chairs, stools, and other seating furniture, can solve problems such as lack of front and rear adjustment, different support positions, and impact on customer experience, and achieve simple structure, regular shape, and increased comfort. degree of effect
Pending Publication Date: 2021-11-09
嘉兴市永泰五金塑料有限责任公司
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- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
The waist position does not have the function of front and rear adjustment. People with different body types have different waist positions and need support in different positions. The non-adjustable waist cannot support the waist well, which affects customer experience.
Method used
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Embodiment Construction
[0025] The present invention will be further described below with reference to the accompanying drawings and examples.
[0026] figure 1 For a two-back frame back structure in the embodiment of the present invention; figure 2 A side cross-sectional view of the double back frame back structure of the embodiment of the present invention; image 3 A double back frame back structure explosion is a double back frame of the embodiment of the present invention.
[0027] See Figure 1 - Figure 3 The double back frame back structure of the embodiment of the present invention includes the upper back frame 2, the lower back frame 3, and the holder 1, and the middle portion of the bracket 1 protrudes and provided with the rotating shaft hole 11 and the rotating handle mounting hole 12. The upper portion of the lower frame 3 is connected to the stent 1 active in the rotating shaft hole 11, and the rotary handle 8 is provided in the rotary handle mounting hole 12, and the rotary handle 8 is conn...
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The invention discloses a double-back-frame chair back structure, which comprises an upper back frame, a lower back frame and a support, the middle of the support protrudes towards the front side and is provided with a rotating shaft hole and a rotating handle mounting hole, the upper portion of the lower back frame is movably connected with the support through a rotating shaft arranged in the rotating shaft hole, a rotating handle is arranged in the rotating handle mounting hole, the rotating handle is connected with a rotating piece, the rotating piece is of an irregular cylindrical structure, the contact position of the rotating piece and the lower back frame is adjusted by adjusting the rotating handle, and then the supporting angle of the lower back frame is adjusted; and the upper back frame is fixedly arranged on the upper portion of the front side of the support. The integral back frame is divided into the upper back frame and the lower back frame which are connected through the support; the angle of the lower back frame is adjustable; the waist of people with different body types can be well adjusted and fitted, and the comfort degree is increased; the upper and lower back frames and the support are small in size, regular in appearance and suitable for small-machine production; and the double-back-frame chair back structure is convenient to pack and transport, the structure is simple, and the material is environmentally friendly.
Description
Technical field [0001] The present invention relates to the field of office furniture, in particular to a double back frame back structure. Background technique [0002] As a base for life, work, learning, etc., the basic functions of comfort, convenient and safe. At present, office chairs in the market are generally a large overall frame, excessive size, weight. It takes a large injection molding machine to produce, and the packaging and transportation cost is high. The waist position does not have a front and rear adjustment function, the person in which the person, the position of the waist is different, the position of the support needs to be supported, the waist of the non-adjustable waist, does not support the waist, affecting the customer experience. Therefore, prior art still needs to be improved and developed. Inventive content [0003] The technical problem to be solved by the present invention is to provide a double back frame back structure, a double back frame, and ...
Claims
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Login to View More IPC IPC(8): A47C7/48
CPCA47C7/48
Inventor 李志芳
Owner 嘉兴市永泰五金塑料有限责任公司