CN113384102A - Chair back frame twisting structure - Google Patents
Chair back frame twisting structure Download PDFInfo
- Publication number
- CN113384102A CN113384102A CN202010164808.9A CN202010164808A CN113384102A CN 113384102 A CN113384102 A CN 113384102A CN 202010164808 A CN202010164808 A CN 202010164808A CN 113384102 A CN113384102 A CN 113384102A
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- CN
- China
- Prior art keywords
- elastic abutting
- chair back
- abutting rib
- rib
- back frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 239000004744 fabric Substances 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 239000011796 hollow space material Substances 0.000 description 5
- 239000006260 foam Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 208000008454 Hyperhidrosis Diseases 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 206010033372 Pain and discomfort Diseases 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
- 208000013460 sweaty Diseases 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
- A47C7/441—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with adjustable elasticity
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
Abstract
The invention relates to a chair back frame twisting structure, which mainly forms two opposite elastic abutting ribs at the left side and the right side of a hollow-out interval of a chair back frame, so that when a user lies on the two elastic abutting ribs of the chair back frame, the two elastic abutting ribs of the chair back frame can twist along with the left and the right of the body of the user to generate matched twisting action, so that the back of the body of the user can be abutted against the chair back frame in a fitting manner when the user twists and stretches the body, and accordingly, the comfort and the relaxation effect of the user when the user sits on a chair are improved.
Description
Technical Field
The present invention relates to a back frame twisting structure, and more particularly to a back frame twisting structure capable of twisting along with the twisting of a user's body to generate a twisting motion to allow the back of the user to be closely attached to the back frame, thereby improving the comfort of the user.
Background
The chair is a necessary article for daily life of people, and when people sit on the chair, the back of the people mostly lies on the chair back; however, when the user directly lies on the hard backrest, the back of the user is likely to feel pain and discomfort, so that the hard backrest is provided with a soft pad such as foam for lying on the back of the user.
The design of arranging the soft cushion on the surface of the hard chair back plate can enable the chair back to generate a little elasticity, so that when a user lies on the chair back, hard discomfort cannot be caused, but the elasticity of the soft cushion is limited, and the soft cushion is arranged on the hard chair back plate, so that the tilting angle is limited, when the user twists the body of the user by adjusting the sitting posture, the existing chair back cannot be matched with the twisting of the body of the user to generate corresponding twisting motion, so that when the user twists the body of the user left and right, one side of the back of the user can be far away from the chair back and loses support and support. In addition, because the soft pad such as foam is lack of air permeability and is not easy to dissipate after absorbing the heat of the human body, when a user lies and leans on the existing chair back for a period of time, the back of the user feels sultry and sweating, and the uncomfortable feeling of the chair for sitting is further increased.
Accordingly, the present inventors have made various studies and researches in view of the above-mentioned shortcomings of the prior art chair back designs in use, with the assistance of manufacturing and design experiences and knowledge in the related art for many years.
Disclosure of Invention
The invention relates to a twisting structure of a chair back frame, and aims to provide a chair back frame structure which can generate a matched twisting action along with the twisting of a user body so as to enable the back of the user to be attached and abutted against the chair back frame and improve the riding comfort.
In order to achieve the above-mentioned objectives, the inventor of the present invention provides a chair back frame twisting structure, which comprises a flexible chair back frame, wherein the chair back frame comprises a first rod portion and a second rod portion which are vertically opposite and are arranged, and a third rod portion and a fourth rod portion which are vertically opposite and are transversely arranged, two ends of the third rod portion are respectively connected to one end of the first rod portion and one end of the second rod portion, two ends of the fourth rod portion are respectively connected to the other end of the first rod portion and the other end of the second rod portion, a hollow area is defined between the first rod portion, the second rod portion, the third rod portion and the fourth rod portion, a first elastic abutting rib is integrally formed on the first rod portion, a second elastic abutting rib is integrally formed on the second rod portion, and the first elastic abutting rib and the second abutting rib both extend toward the hollow area, the first elastic abutting rib and the second elastic abutting rib are respectively positioned on the left side and the right side of the hollow area.
The chair back frame twisting structure comprises a first elastic abutting rib and a second elastic abutting rib, wherein the first elastic abutting rib and the second elastic abutting rib of the chair back frame are relatively inclined gradually towards the center between the hollow areas and are arranged in an arc-shaped bulge, and the first elastic abutting rib and the second elastic abutting rib are both in a curve arc shape.
The chair back frame twisting structure comprises a first elastic abutting rib, a second elastic abutting rib, a first supporting section and a second supporting section, wherein the upper end and the lower end of the first elastic abutting rib are respectively connected with the upper edge and the lower edge of the first rod part, the upper end and the lower end of the second elastic abutting rib are respectively connected with the upper edge and the lower edge of the second rod part, the first elastic abutting rib is arranged at the upper end of the first elastic abutting rib and the lower end of the first elastic abutting rib, the first supporting section is formed by a section of the first rod part, which is located between the upper end of the first elastic abutting rib and the lower end of the second elastic abutting rib, and the second supporting section is formed by a section of the second elastic abutting rib.
The chair back frame twisting structure comprises a first elastic abutting rib, a second elastic abutting rib and a third elastic abutting rib, wherein the first elastic abutting rib comprises a first downward inclined section which is gradually inclined downwards from the upper edge of the first rod part to the central direction of the hollow space, a first upward inclined section which is gradually inclined upwards from the lower edge of the first rod part to the central direction of the hollow space, and a first bending section connected between the first downward-inclining section and the first upward-inclining section and arranged in an arc shape towards the center direction between the hollow-out sections, the second elastic abutting rib comprises a second downward inclined section which is gradually inclined downwards from the upper edge of the second rod part to the central direction of the hollow space, a second upward inclined section which is gradually inclined upwards from the lower edge of the second rod part to the central direction of the hollow space, and a second bending section which is connected between the second downward inclination section and the second upward inclination section and is convexly arranged in an arc shape towards the central direction between the hollow areas.
The chair back frame twisting structure comprises a first elastic support rib and a second elastic support rib, wherein the first elastic support rib and the second elastic support rib are respectively provided with a reinforcing rib, the reinforcing rib is transversely arranged between the hollow areas, two ends of the reinforcing rib are respectively connected with the first rod part and the second rod part, and the lower end of the first elastic support rib and the lower end of the second elastic support rib are respectively connected with the reinforcing rib.
The chair back frame twisting structure as described above, wherein the back surface of the first elastic abutting rib, the back surface of the second elastic abutting rib and the back surface of the third rod portion of the chair back frame are respectively formed with an embedding groove arranged along the length direction, the chair back frame twisting structure further comprises a chair back cover, the chair back cover is covered on the chair back frame, the left side of the chair back cover extends to the back surface of the first elastic abutting rib through the supporting section of the first elastic abutting rib of the first rod portion and is correspondingly embedded with the embedding groove of the back surface of the first elastic abutting rib, the right side of the chair back cover extends to the back surface of the second elastic abutting rib through the supporting section of the second elastic abutting rib of the second rod portion and is correspondingly embedded with the embedding groove of the back surface of the second elastic abutting rib, the upper side of the chair back cover extends to the back surface of the third rod portion and is correspondingly embedded with the embedding groove of the back surface of the third rod portion, the bottom side of the seat back cover extends to the bottom edge of the reinforcing rib of the seat back frame.
The chair back frame twisting structure is characterized in that the chair seat assembly part is connected to the front center of the fourth rod part of the chair back frame in an extending manner.
The chair back frame twisting structure comprises a chair back sleeve, wherein the chair back sleeve is wrapped on the chair back frame, the left side of the chair back sleeve extends to the back surface of the first elastic abutting rib through the first rod part and is correspondingly embedded with the embedded groove in the back surface of the first elastic abutting rib, the right side of the chair back sleeve extends to the back surface of the second elastic abutting rib through the second rod part and is correspondingly embedded with the embedded groove in the back surface of the second elastic abutting rib, and the upper side of the chair back sleeve extends to the back surface of the third rod part and is correspondingly embedded with the embedded groove in the back surface of the third rod part.
The chair back frame twisting structure is characterized in that the chair back cover is a net cover or a cloth cover.
Therefore, by utilizing the structural design of the chair back frame, when a user lies at the first elastic abutting rib, the second elastic abutting rib and the like of the chair back frame, the chair back frame can twist left and right along with the body of the user to generate a matched twisting action, so that the back of the body of the user can be abutted against the chair back frame in a fitting manner when the user twists and stretches the body, and accordingly, the comfortable and relaxing effect of the user when the user sits on the chair is improved.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1 is a front perspective view of the present invention;
FIG. 2 is a rear perspective view of the present invention;
FIG. 3 is a top cross-sectional view of the present invention;
FIG. 4 is a perspective view of the present invention in use;
fig. 5 is a plan sectional view of the present invention in a use state.
The reference numbers illustrate:
1. a chair back frame;
11. a first rod portion;
111. a support section;
12. a second rod portion;
121. a support section;
13. a third rod part;
131. a third embedding groove;
14. a fourth rod part;
141. a chair seat assembly part;
15. a hollow-out section;
16. a first resilient abutment rib;
161. a first downward inclination section;
162. a first tilt-up section;
163. a first curved section;
164. a first caulking groove;
17. a second resilient abutment rib;
171. a second declined section;
172. a second tilt-up section;
173. a second curved section;
174. a second caulking groove;
18. a reinforcing rib;
2. the chair back cover.
Detailed Description
In order to clearly understand the technical solution, the purpose and the effect of the present invention, a detailed description of the present invention will be described with reference to the accompanying drawings.
It should be noted that the words "up", "down", "left" and "right" indicating directions in the present invention are only used to describe the specific structure of the twisting structure of the back frame of the present invention more clearly, and do not limit the present invention in direction, wherein, referring to fig. 1, the upper side in fig. 1 is "up", the lower side in fig. 1 is "down", the left side in fig. 1 is "left", and the right side in fig. 1 is "right".
First, please refer to fig. 1 and fig. 2, which illustrate the twisting structure of the back frame of the present invention, and mainly comprises a back frame 1, and the back frame 1 is made of polypropylene, so that the back frame 1 comprises a first rod 11 and a second rod 12, which are vertically and oppositely disposed, and a third rod 13 and a fourth rod 14, which are vertically and transversely disposed, and two ends of the third rod 13 and the fourth rod 14 are respectively connected to two ends of the first rod 11 and the second rod 12, that is, two ends of the third rod 13 are respectively connected to one end of the first rod 11 and one end of the second rod 12, two ends of the fourth rod 14 are respectively connected to the other end of the first rod 11 and the other end of the second rod 12, and a hollow area 15 is defined between the first rod 11, the second rod 12, the third rod 13 and the fourth rod 14, a seat assembly 141 is connected to the center of the front side of the fourth rod 14, and the seat back frame 1 is formed with a first elastic abutting rib 16 and a second elastic abutting rib 17 opposite to each other at the first rod 11 and the second rod 12, respectively, and the first elastic abutting rib 16 and the second elastic abutting rib 17 extend toward the hollow 15, so that the first elastic abutting rib 16 and the second elastic abutting rib 17 are respectively located at the left and right sides of the hollow 15, the first elastic abutting rib 16 includes a first downward inclined section 161 inclined gradually downward from the upper edge of the first rod 11 toward the center of the hollow 15, a first upward inclined section 162 inclined gradually upward from the lower edge of the first rod 11 toward the center of the hollow 15, and a first curved section 163 connected between the first downward inclined section 161 and the first upward inclined section 162 and protruding in an arc shape toward the center of the hollow 15, the second elastic abutting rib 17 comprises a second downward inclined section 171 gradually inclining downward from the upper edge of the second rod 12 toward the center of the hollow 15, a second upward inclined section 172 gradually inclining upward from the lower edge of the second rod 12 toward the center of the hollow 15, and a second curved section 173 connected between the second downward inclined section 171 and the second upward inclined section 172 and protruding in an arc shape toward the center of the hollow 15, so that the first elastic abutting rib 16 and the second elastic abutting rib 17 are in a curved shape gradually inclining toward the center of the hollow 15 and protruding in an arc shape, and the first rod 11 and the second rod 12 are located between the upper and lower ends of the first elastic abutting rib 16 and the second elastic abutting rib 17 to form the supporting sections 111 and 121 of the first elastic abutting rib 16 and the second elastic abutting rib 17, that is, a section of the first rod portion 11 located between the upper end of the first elastic abutting rib 16 and the lower end of the first elastic abutting rib 16 forms a supporting section 111 of the first elastic abutting rib 16, a section of the second rod portion 12 located between the upper end of the second elastic abutting rib 17 and the lower end of the second elastic abutting rib 17 forms a supporting section 121 of the second elastic abutting rib 17, a reinforcing rib 18 is further disposed below the first elastic abutting rib 16 and below the second elastic abutting rib 17, the reinforcing rib 18 is transversely disposed in the hollow space 15, the left and right ends of the reinforcing rib 18 are respectively connected with the first rod portion 11 and the second rod portion 12, and the lower end of the first elastic abutting rib 16 and the lower end of the second elastic abutting rib 17 are respectively connected with the left and right sides of the reinforcing rib 18; referring to fig. 3, the chair back frame twisting structure of the present invention is provided with a chair back cover 2, the chair back cover 2 can be a mesh cover formed with a plurality of meshes thereon, the chair back cover 2 covers the chair back frame 1, and the left and right sides of the chair back cover 2 pass through the supporting section 111 of the first rod 11 and the supporting section 121 of the second rod 12, so as to tighten and shape the left and right sides of the chair back cover 2, and then extend to the back of the first elastic abutting rib 16 and the back of the second elastic abutting rib 17, and respectively engage with the first engaging groove 164 and the second engaging groove 174 formed along the respective length directions at the back of the first elastic abutting rib 16 and the back of the second elastic abutting rib 17, and further extend the upper side of the chair back cover 2 to the back of the third rod 13, the back of the third rod 13 is formed with a third engaging groove 131 formed along the length direction thereof, and the upper side of the chair back cover 2 is engaged with the third engaging groove 131, the bottom side of the seat back cover 2 extends to the bottom edge of the reinforcing rib 18 of the seat back frame 1.
Accordingly, when a user sits on a chair having the back frame 1 of the present invention and lies down on the back frame 1, the back of the user can contact the first elastic abutting rib 16 and the second elastic abutting rib 17 of the back frame 1 through the seat back cover 2, when the user twists and stretches his body and twists his body to the right, his right back will move backward and his left back will move forward, and when the right back of the user moves backward, as shown in fig. 4 and 5, the first elastic abutting rib 16 of the back frame 1 will be pressed backward, and at this time, the second elastic abutting rib 17 of the back frame 1 will move forward relatively to abut on the left back of the user's body by the linkage of the third rod part 13 connected to the first elastic abutting rib 16 and the second elastic abutting rib 17, and the supporting section 111 of the first elastic abutting rib 11 and the supporting section 121 of the second elastic abutting rib 12 will be used to abut on the first elastic abutting rib 16, The support effect of the lower ends and the upper and lower ends of the second elastic abutting rib 17 can make the first elastic abutting rib 16 and the second elastic abutting rib 17 maintain proper elastic deformation without excessive distortion deformation, so as to facilitate the comfort of lying and leaning on the back of a user. Furthermore, when the user twists to the left, the left back will move backwards, and the right back will move forwards relatively, and when the left back of the user moves backwards, the second elastic leaning rib 17 of the backrest frame 1 will be pressed backwards, at this time, the first elastic leaning rib 16 of the backrest frame 1 will move forwards relatively by the linkage of the third rod part 13 connected with the first elastic leaning rib 16 and the second elastic leaning rib 17, so as to be clung to the right back of the user, therefore, the backrest frame 1 of the invention can generate a corresponding twisting elastic design along with the twisting of the user's body, so that the user can keep the back of the user clung to the backrest frame 1 when taking the chair to twist and extend his body.
When the back of the user lies on the chair back frame 1 of the invention, the hot air of the body can penetrate through the mesh holes arranged on the chair back sleeve 2 which is the mesh sleeve and then is discharged out through the hollow-out area 15 of the chair back frame 1, so as to provide the comfortable air permeability effect when the user lies on the chair back frame 1 of the invention and avoid the situation that the back is sultry and sweaty after lying on the chair back of the existing chair for a period of time.
The above-mentioned embodiments or drawings do not limit the twisting structure of the back frame of the present invention, and the back cover 2 of the present invention can be a mesh cover, but also can be a cloth cover, which is formed by combining a layer of thin foam cotton on the inner surface of a cloth body, and any suitable change or modification made by those skilled in the art should be considered as not departing from the protection scope of the present invention.
As can be seen from the above structure and embodiments, the present invention has the following advantages:
1. the chair back frame twisting structure of the invention enables the left side and the right side between the hollow-out areas of the chair back frame to be formed with a first elastic abutting rib and a second elastic abutting rib which are relatively inclined and arc-protruded towards the center, thereby when a user lies on the chair back frame of the invention to twist the body of the user, the invention can generate the matched twisting action along with the twisting action, so that the back of the user can be kept in a comfortable state of abutting against the chair back, and the relaxation effect when the user sits on the chair is improved.
2. The chair back frame twisting structure of the invention can be covered with a chair back sleeve which is a net sleeve outside the chair back frame, so that when a user lies and leans on the chair back frame, hot air of the body of the user can be discharged through the meshes of the net sleeve and through the hollow-out areas of the chair back frame, thereby improving the comfortable air permeability of the user when the user sits on the chair.
3. The chair back frame twisting structure of the invention enables the first rod part and the second rod part to be positioned between the upper end and the lower end of the first elastic abutting rib and the upper end and the lower end of the second elastic abutting rib to form a supporting section, thereby the supporting section is arranged, not only can the left side and the right side of the chair back sleeve be tightened and shaped, but also can enable the first elastic abutting rib and the second elastic abutting rib to maintain proper elastic deformation amount when being pressed by force, thereby being beneficial to the back lying and leaning comfort of a user.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the invention should fall within the protection scope of the invention.
Claims (10)
1. A chair back frame twisting structure is characterized in that the chair back frame twisting structure is provided with a flexible chair back frame, the chair back frame comprises a first rod part and a second rod part which are opposite to each other left and right and are vertically arranged, and a third rod part and a fourth rod part which are opposite to each other up and down and are transversely arranged, two ends of the third rod part are respectively connected with one end of the first rod part and one end of the second rod part, two ends of the fourth rod part are respectively connected with the other end of the first rod part and the other end of the second rod part, a hollow area is formed by enclosing the first rod part, the second rod part, the third rod part and the fourth rod part, a first elastic abutting rib is integrally formed on the first rod part, a second elastic abutting rib is integrally formed on the second rod part, and the first elastic abutting rib and the second elastic abutting rib extend to the hollow area, the first elastic abutting rib and the second elastic abutting rib are respectively positioned on the left side and the right side of the hollow-out area.
2. The chair back frame twisting structure according to claim 1, wherein the first elastic abutting rib and the second elastic abutting rib of the chair back frame are relatively inclined gradually towards the center of the hollow section and are arranged in an arc shape, and the first elastic abutting rib and the second elastic abutting rib are both in a curved arc shape.
3. The chair back frame twisting structure according to claim 1, wherein the upper end and the lower end of the first elastic abutting rib are respectively connected to the upper edge and the lower edge of the first rod portion, the upper end and the lower end of the second elastic abutting rib are respectively connected to the upper edge and the lower edge of the second rod portion, a section of the first rod portion located between the upper end of the first elastic abutting rib and the lower end of the first elastic abutting rib forms a supporting section of the first elastic abutting rib, and a section of the second rod portion located between the upper end of the second elastic abutting rib and the lower end of the second elastic abutting rib forms a supporting section of the second elastic abutting rib.
4. The twisted structure of a back frame of claim 3, wherein the first elastic support rib comprises a first downward inclined section gradually inclined downward from the upper edge of the first rod toward the center of the hollow section, a first upward inclined section gradually inclined upward from the lower edge of the first rod toward the center of the hollow section, a first curved section connected between the first downward inclined section and the first upward inclined section and configured to be curved and protruded toward the center of the hollow section, the second elastic support rib comprises a second downward inclined section gradually inclined downward from the upper edge of the second rod toward the center of the hollow section, a second upward inclined section gradually inclined upward from the lower edge of the second rod toward the center of the hollow section, and a second downward inclined section connected between the second downward inclined section and the second upward inclined section and configured to be curved toward the center of the hollow section The second bending section is set up by the shape bulge.
5. The chair back frame twisting structure according to claim 3, wherein a reinforcing rib is disposed below the first elastic abutting rib and below the second elastic abutting rib of the chair back frame, the reinforcing rib is transversely disposed in the hollow area, two ends of the reinforcing rib are respectively connected to the first rod portion and the second rod portion, and the first elastic abutting rib and the second elastic abutting rib are respectively connected to the reinforcing rib.
6. The chair back frame twisting structure according to claim 5, wherein a back surface of the first elastic abutting rib, a back surface of the second elastic abutting rib, and a back surface of the third lever portion of the chair back frame are respectively formed with a caulking groove arranged along a length direction, the chair back frame twisting structure further comprises a chair back cover covering the chair back frame, and a left side of the chair back cover extends to the back surface of the first elastic abutting rib through the supporting section of the first elastic abutting rib of the first lever portion and is correspondingly embedded with the caulking groove of the back surface of the first elastic abutting rib, a right side of the chair back cover extends to the back surface of the second elastic abutting rib through the supporting section of the second elastic abutting rib of the second lever portion and is correspondingly embedded with the caulking groove of the back surface of the second elastic abutting rib, the upper side of the chair back sleeve extends to the back surface of the third rod part and is correspondingly embedded with the embedding groove on the back surface of the third rod part, and the bottom side of the chair back sleeve extends to the bottom edge of the reinforcing rib of the chair back frame.
7. The back frame twisting structure of claim 1, wherein a seat assembly extends from a front center of the fourth rod of the back frame.
8. The chair back frame twisting structure according to claim 1, wherein a back surface of the first elastic abutting rib, a back surface of the second elastic abutting rib, and a back surface of the third rod portion of the chair back frame are respectively formed with a caulking groove arranged along a length direction, the chair back frame twisting structure further comprises a chair back sleeve, the chair back sleeve is covered on the chair back frame, and the left side of the chair back sleeve extends to the back surface of the first elastic abutting rib through the first rod part and is correspondingly embedded with the embedding groove on the back surface of the first elastic abutting rib, the right side of the chair back sleeve extends to the back surface of the second elastic abutting rib through the second rod part and is correspondingly embedded with the embedding groove on the back surface of the second elastic abutting rib, the upper side of the chair back sleeve extends to the back surface of the third rod part and is correspondingly embedded with the embedding groove on the back surface of the third rod part.
9. The back-frame twist mechanism of claim 1, further comprising a back-cover, wherein said back-frame twist mechanism covers said back-frame.
10. The chair back frame twisting structure of claim 9, wherein the chair back cover is a mesh or a cloth cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010164808.9A CN113384102A (en) | 2020-03-11 | 2020-03-11 | Chair back frame twisting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010164808.9A CN113384102A (en) | 2020-03-11 | 2020-03-11 | Chair back frame twisting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113384102A true CN113384102A (en) | 2021-09-14 |
Family
ID=77615213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010164808.9A Withdrawn CN113384102A (en) | 2020-03-11 | 2020-03-11 | Chair back frame twisting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113384102A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11115594A (en) * | 1997-10-13 | 1999-04-27 | Toyota Motor Corp | Vehicular seat |
| JP2001299501A (en) * | 2000-04-27 | 2001-10-30 | Itoki Crebio Corp | Framed backrest or seat body of chair |
| US20070108820A1 (en) * | 2005-11-11 | 2007-05-17 | Kokuyo Furniture Co., Ltd. | Structure for attaching spring |
| CN201032942Y (en) * | 2007-03-15 | 2008-03-12 | 马宜任 | Chair structure |
| TW200934420A (en) * | 2008-02-04 | 2009-08-16 | Cheng-Hung Lin | Elastic device of a chair back |
| TWM440049U (en) * | 2012-05-09 | 2012-11-01 | Yen-Chang Ho | Back of chair |
| US20140183914A1 (en) * | 2012-12-31 | 2014-07-03 | Sava Cvek | Seat with Pelvic Support |
| TW201542137A (en) * | 2014-05-15 | 2015-11-16 | Chia Chi Ya Entpr Co Ltd | Improved chair backrest |
| US20160100691A1 (en) * | 2012-10-18 | 2016-04-14 | Okamura Corporation | Chair |
| TWM550585U (en) * | 2017-07-24 | 2017-10-21 | An Uji Co Ltd | Backrest structure |
-
2020
- 2020-03-11 CN CN202010164808.9A patent/CN113384102A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11115594A (en) * | 1997-10-13 | 1999-04-27 | Toyota Motor Corp | Vehicular seat |
| JP2001299501A (en) * | 2000-04-27 | 2001-10-30 | Itoki Crebio Corp | Framed backrest or seat body of chair |
| US20070108820A1 (en) * | 2005-11-11 | 2007-05-17 | Kokuyo Furniture Co., Ltd. | Structure for attaching spring |
| CN201032942Y (en) * | 2007-03-15 | 2008-03-12 | 马宜任 | Chair structure |
| TW200934420A (en) * | 2008-02-04 | 2009-08-16 | Cheng-Hung Lin | Elastic device of a chair back |
| TWM440049U (en) * | 2012-05-09 | 2012-11-01 | Yen-Chang Ho | Back of chair |
| US20160100691A1 (en) * | 2012-10-18 | 2016-04-14 | Okamura Corporation | Chair |
| US20140183914A1 (en) * | 2012-12-31 | 2014-07-03 | Sava Cvek | Seat with Pelvic Support |
| TW201542137A (en) * | 2014-05-15 | 2015-11-16 | Chia Chi Ya Entpr Co Ltd | Improved chair backrest |
| TWM550585U (en) * | 2017-07-24 | 2017-10-21 | An Uji Co Ltd | Backrest structure |
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Application publication date: 20210914 |