CN216675295U - Seat supporting device and seat - Google Patents
Seat supporting device and seat Download PDFInfo
- Publication number
- CN216675295U CN216675295U CN202121187157.1U CN202121187157U CN216675295U CN 216675295 U CN216675295 U CN 216675295U CN 202121187157 U CN202121187157 U CN 202121187157U CN 216675295 U CN216675295 U CN 216675295U
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- base
- seat
- chair
- plate
- supporting upright
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 46
- 239000000463 material Substances 0.000 claims abstract description 3
- 238000003780 insertion Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000000149 penetrating effect Effects 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
- A47C7/002—Chair or stool bases
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/20—Chairs or stools with vertically-adjustable seats
-
- 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—Supports for the head or the back
- A47C7/40—Supports for the head or the back for the back
- A47C7/402—Supports for the head or the back for the back adjustable in height
Landscapes
- Special Chairs (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model discloses a seat supporting device and a seat, which comprise two supporting upright rods arranged in a mirror image manner, wherein the two supporting upright rods are connected together through a fixing plate, the fixing plate is positioned at the bottom of each supporting upright rod and is made of rigid materials; the lower end of the supporting upright rod downwards penetrates through the fixed plate and penetrates out of the part of the fixed plate to form an inserting part, a rigid reinforcing plate is arranged between the two inserting parts, two ends of the reinforcing plate are respectively and fixedly connected with the inserting parts of the supporting upright rod, and the upper end of the reinforcing plate is also fixedly connected with the fixed plate; the two supporting upright rods and the fixing plate form a whole; the seat is characterized in that the supporting upright stanchion is spliced and matched on the base; make two support pole settings link together through the fixed plate, and set up the reinforcing plate between two grafting portions, improved the structural strength who supports the pole setting bottom then greatly for the base is better with the joint strength who supports between the pole setting, and then the seat uses safer relieved.
Description
Technical Field
The utility model relates to the field of seats, in particular to a seat supporting device and a seat.
Background
The existing seat generally comprises a seat cushion, a backrest, a seat rod and a base, wherein the seat cushion and the backrest are integrally installed on the seat rod through a base, meanwhile, the base can be adjusted up and down along the seat rod and can rotate around the seat rod, the seat rod is usually fixed on the base in a screw locking or direct welding mode, and the seat rod and the base are often subjected to position deviation in the assembling process and cannot meet the assembling precision requirement; in addition, the traditional thread locking or welding connection mode is adopted, after the seat bears the load, the connection strength of the seat rod and the base is low, the connection part of the seat rod and the base is easy to loosen or break after long-term use, and the use safety of the seat is seriously influenced.
For the learning chair, the connection strength of the chair rod and the base is particularly important; due to the nature of children, the strength of the learning chair needs to be guaranteed. The existing study chairs are provided with two chair rods for supporting a backrest and a seat cushion, so that the support strength of the chair is higher; the pressure applied by the chair back and the chair seat can be dispersed by adopting a double chair rod structure; however, the lower end of the chair rod of the learning chair is still installed on the base in a traditional connection mode, hidden danger still exists in the strength of the connection position, and the defect of insufficient safety exists.
Disclosure of Invention
The utility model overcomes the defects in the prior art and provides the seat supporting device with stable structure and better safety; the two chair rods are provided with fixing plates, and the parts of the chair rods which downwards penetrate through the fixing plates form inserting parts; a reinforcing plate is arranged between the two inserting parts, two ends of the reinforcing plate are respectively fixedly connected with the inserting parts, and the upper end of the reinforcing plate is also fixedly connected with the fixed plate; so that the two chair rods and the fixing plate form a whole; and the connection between the three is very stable and can not shake.
The seat is provided with slots correspondingly arranged on the base; the chair rod is tightly connected with the base by adopting the insertion fit; and two chair rods can be inserted on the base together during installation, so that the installation steps are reduced, and the installation is convenient and rapid.
The technical scheme of the utility model is realized as follows:
a seat supporting device comprises two seat rods arranged in a mirror image mode, wherein the two seat rods are connected together through a fixing plate, the fixing plate is located at the bottom of each seat rod, and the fixing plate is made of rigid materials; the lower end of the chair rod penetrates through the fixed plate downwards and penetrates out of the part of the fixed plate to form an inserting part, a rigid reinforcing plate is arranged between the two inserting parts, two ends of the reinforcing plate are fixedly connected with the inserting part of the chair rod respectively, and the upper end of the reinforcing plate is also fixedly connected with the fixed plate; the two chair rods and the fixing plate form a whole.
Preferably, the fixing plate is a metal plate; the two chair rods are respectively welded and fixed with the fixed plate. The metal plate enables the structural strength to be better; and moreover, the stress at the joint of the fixing plate and the chair rod is more uniformly dispersed by adopting a welding mode.
Preferably, the reinforcing plate is a metal plate, and the reinforcing plate is perpendicular to the fixing plate; the two ends of the reinforcing plate are respectively welded and fixed with the inserting parts, and the upper end of the reinforcing plate is welded and fixed with the fixing plate. The reinforcing plate is welded and fixed with the inserting part and the fixing plate simultaneously, so that the chair rod and the chair rod, the chair rod and the fixing plate are connected tightly, and the chair rod and the fixing plate cannot shake.
Preferably, the chair rod is a metal flat tube, the chair rod is arranged obliquely, and the length direction of the cross section of the chair rod is consistent with the front-back direction of the base. The flat tube is adopted, so that the weight is reduced; and because the chair rod mainly bears the load in the front-back direction, the supporting strength of the chair rod is higher.
Preferably, a mounting block for connecting a screw is welded and fixed to the inside of the lower end of the seat bar, and the lower surface of the mounting block is flush with the lower surface of the seat bar. The lower end of the chair rod is provided with the mounting block, so that the bottom of the chair rod can be connected with a screw, and the mounting and the fixing are not influenced.
Preferably, the length of the plug part is between 5 and 20 cm.
A chair comprises a base, a chair back, a chair seat and a chair support device; the lower end of the chair rod is fixed on the base, and the chair back and the chair seat are arranged on the chair rod; the base is provided with a slot, the slot comprises positioning grooves which are arranged in bilateral symmetry and a transverse groove which is communicated between the two positioning grooves, the insertion part is inserted in the positioning grooves, and the reinforcing plate is inserted in the transverse groove. The positioning groove and the transverse groove are respectively matched with the inserting part and the reinforcing plate in an inserting way, so that the chair rod is tightly connected with the base.
Preferably, after the chair rod is in inserted fit with the base, the chair rod is in a backward inclined state from bottom to top; the fixing plate is in a horizontal state. The fixed plate is in the horizontality, makes things convenient for the fixed plate to be connected with the base.
Preferably, an inwardly recessed mounting groove is formed in the upper surface of the base, and the slot is arranged in the mounting groove; the fixing plate is embedded in the mounting groove, the fixing plate and the base are fixedly connected through screws, and the chair rod and the base are fixedly connected through screws. After the insertion, the fixing plate is just embedded into the mounting groove, and the connection is more fit; the fixing plate is fixedly connected with the base, and the chair rod is fixedly connected with the base; adopt dual fixed for joint strength is higher between chair pole and the base.
Preferably, the two chair rods are sleeved with a decorative cover, and the decorative cover is fixedly connected to the upper surface of the base to cover the installation groove. Hide the connecting trace and beautify the appearance.
The design starting point, the idea and the beneficial effects of the utility model adopting the technical scheme are as follows:
firstly, according to the seat supporting device, the fixing plate is welded between the two seat rods, so that the lower ends of the two seat rods penetrate through the part of the fixing plate to form the inserting part, the reinforcing plate is welded and fixed between the two inserting parts, the two ends of the reinforcing plate are fixed with the inserting part, and the upper end of the reinforcing plate is also fixed with the fixing plate; make then between grafting portion and the grafting portion, the connection between grafting portion and the fixed plate all very firm, improved the structural strength of chair pole bottom greatly, the support nature is better, and is safer relieved when using then.
In addition, a slot is correspondingly arranged on the base and comprises a positioning groove matched with the insertion part and a transverse groove matched with the reinforcing plate; multiple splicing matching enables the chair rod and the base to be tightly connected.
Secondly, the chair rod and the base are fixedly connected through screws, and the fixing plate is fixedly connected with the base through screws; the double connection is adopted, so that the connection strength between the two chair rods and the base is greatly improved; when the chair rod is stressed, the bottom of the chair rod is abutted against the base, and the fixing plate is abutted against the base; the stress is more dispersed; the safety of the seat is effectively improved.
Moreover, the fixing plate is welded on the two chair rods, so that the two chair rods can be simultaneously spliced with the base when the chair rods are installed on the base, and the single chair rods are not required to be sequentially spliced; the installation is more convenient and faster; and after the connection is finished, a decorative cover is arranged at the joint of the upper surface of the base to cover the connection trace, so that the overall appearance is beautified.
Drawings
FIG. 1 is a schematic perspective view of a chair rod connected to a base according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of an embodiment of the present invention with the chair shaft and the base unconnected;
FIG. 3 is a schematic perspective view of an embodiment of the present invention with the decorative cover not installed;
FIG. 4 is a perspective view of a chair rod according to an embodiment of the present invention;
FIG. 5 is a schematic perspective view of a base according to an embodiment of the present invention;
FIG. 6 is a schematic bottom perspective view of the chair rod and the base in the embodiment of the present invention.
The figures are numbered: a chair rod 1; a fixed plate 2; a plug-in part 3; a reinforcing plate 4; a base 5; a slot 6; a mounting groove 7; a positioning groove 8; a transverse groove 9; a receiving part 10; a mounting block 11; a mounting hole 12; a decorative cover 13; a connecting column 14; a connecting hole 15; a reinforcing portion 16; and a reinforcing rib 17.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, the term "at least one" means one or more than one unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The specific embodiment of the utility model is as follows:
as shown in fig. 1 to 6, the present invention provides a seat supporting device, which comprises two seat rods 1 arranged in a mirror image, wherein the two seat rods 1 are connected together through a horizontal fixing plate 2; the fixing plate 2 is positioned at the bottom of the chair rod 1, and the fixing plate 2 is made of metal and has higher strength; the lower ends of the chair rods 1 downwards penetrate through the fixed plate 2 and penetrate out to form inserting parts 3, a reinforcing plate 4 is further arranged between the inserting parts 3 of the two chair rods 1, two ends of the reinforcing plate 4 are fixedly connected with the inserting parts 3 respectively, and the upper end of the reinforcing plate 4 is further fixedly connected with the fixed plate 2; so that the two chair rods 1 and the fixing plate 2 form a whole.
The chair comprises a base 5, a chair back (not shown), a chair seat (not shown) and the chair support device, wherein the bottoms of the two chair rods 1 are arranged on the base 5, a slot 6 is formed in the base 5, an inserting part 3 at the lower end of each chair rod 1 is inserted into the slot 6, and then the chair rods 1 and the base 5 are locked and fixed through screws; the chair back and the chair seat are both arranged on the chair rods 1, then through the connecting structure, the fixing plate 2 is connected between the two chair rods 1, and the reinforcing plate 4 is arranged between the two inserting parts 3, so that the structural strength of the bottoms of the two chair rods 1 is greatly improved; the chair rod 1 and the base 5 are connected in an inserting manner, so that the connection strength between the chair rod 1 and the base 5 is further improved, the overall structure of the seat adopting the seat supporting device is stable, and particularly, the connection strength between the lower end of the chair rod 1 and the base 5 is greatly enhanced; the safety of the seat in use is improved.
As shown in fig. 1-4, the chair rod 1 is a flat tube made of metal, and the interior of the chair rod is hollow, so that the overall weight can be reduced; from bottom to top, the chair rod 1 is inclined backwards, and the length direction of the section of the chair rod 1 is consistent with the front and back direction of the base 5, because the chair rod 1 mainly bears the load in the front and back direction, the supporting strength of the chair rod 1 is higher, and the strength of the chair is improved; the fixing plate 2 is an iron plate, the lower ends of the two chair rods 1 downwards penetrate through the fixing plate 2, the fixing plate 2 and the two chair rods 1 are welded and fixed together, and the chair rods 1 and the fixing plate 2 are tightly connected by adopting a welding mode, so that gaps are eliminated; as shown in fig. 2 and 4, the insertion part 3 is an insertion tube formed by the chair rod 1 penetrating out of the fixing plate 2, and in this embodiment, the length of the insertion part 3 is 10 cm; the reinforcing plate 4 is also a metal iron plate, the reinforcing plate 4 is perpendicular to the fixing plate 2, two ends of the reinforcing plate 4 are respectively welded and fixed with the inserting part 3, and the upper end of the reinforcing plate 4 is also welded and fixed with the fixing plate 2; the reinforcing plate 4 can greatly improve the structural strength between the two chair rods 1 and between the chair rods 1 and the fixing plate 2.
Then the two connected chair rods 1 and the fixing plate 2 form a whole, the whole structure is stable, and the two chair rods cannot shake; in addition, the three can be mounted on the base 5 together, thereby further reducing the number of mounting steps.
As shown in fig. 2-6, a mounting groove 7 which is recessed downwards is arranged on the upper surface of the base 5; the slot 6 is arranged in the mounting groove 7, wherein the slot 6 comprises two positioning grooves 8 which are arranged in bilateral symmetry and a transverse groove 9 which runs through between the two positioning grooves 8; the depth of the positioning groove 8 is consistent with the length of the insertion part 3, and the transverse groove 9 is matched with the reinforcing plate 4; during assembly, the inserting parts 3 at the lower ends of the two chair rods 1 are simultaneously inserted into the two positioning grooves 8, and the reinforcing plate 4 is embedded into the transverse groove 9, so that the lower ends of the chair rods 1 are tightly combined with the base 5; at the moment, the fixing plate 2 is in a horizontal state, the chair rod 1 inclines backwards from bottom to top, and the fixing plate 2 is horizontally arranged to facilitate the connection of the fixing plate 2 and the base 5. A bearing part 10 for bearing the chair rod 1 is formed between the bottom of the positioning groove 8 and the lower surface of the base 5, and after the chair rod 1 is inserted into the positioning groove 8, the lower end of the chair rod 1 is propped against the bearing part 10; as shown in fig. 6, on the lower surface of the base 5, reinforcing ribs 17 are provided along the periphery of the receiving portion 10 so as to be staggered in a crisscross manner, thereby enhancing the coupling strength between the base 5 and the chair rod 1.
Then the installation steps of the chair rod 1 and the base 5 are as follows: inserting the inserting parts 3 at the lower ends of two chair rods 1 into two positioning grooves 8 at the same time, wherein the lower ends of the inserting parts 3 are abutted against the bearing parts 10; the reinforcing plate 4 is embedded in the transverse groove 9, and the fixing plate 2 is embedded in the mounting groove 7; then the base 5 is fixedly connected with the chair rod 1 through screws; the method specifically comprises the following steps: as shown in fig. 4 and 6, mounting blocks 11 for connecting screws are respectively welded and fixed inside the lower ends of the two chair rods 1, and the lower surfaces of the mounting blocks 11 are flush with the lower surfaces of the chair rods 1; as shown in fig. 6, the bottom of the receiving part 10 is provided with a mounting hole 12; after the inserting part 3 is inserted and matched with the slot 6, a screw passes through the mounting hole 12 from the lower part of the base 5 and is connected and fixed on the mounting block 11, so that the chair rod 1 and the base 5 are screwed and fixed through the screw; furthermore, screws are also arranged to penetrate through the base 5 and the fixing plate 2 from the lower part of the base 5, so that the fixing plate 2 is fixed with the base 5. Through the connecting structure, the chair rod 1 and the fixing plate 2 are both fixed on the base 5 and are doubly fixed, so that the integral connecting strength is higher, and the safety of the chair is effectively improved; and the screws penetrate from the lower part of the base 5, so that the appearance is beautified.
As shown in fig. 1 and 3, after the chair rod 1 is connected to the base 5, a decorative cover 13 is disposed at the connection position between the upper surface of the base 5 and the chair rod 1 to cover the mounting groove 7, specifically: the outline of the decorative cover 13 is matched with the outline of the mounting groove 7; and the decorative cover 13 is sleeved on the two chair rods 1 from top to bottom; a connecting column 14 protruding downwards is arranged on the lower surface of the decorating cover 13, a connecting hole 15 is correspondingly arranged in the mounting groove 7, the decorating cover 13 is buckled on the mounting groove 7 downwards, the connecting column 14 is matched with the connecting hole 15, and then a screw is arranged below the base 5, penetrates through the connecting hole 15 and is connected in the connecting column 14 so as to connect and fix the decorating cover 13 and the base 5; after finishing connecting, dress trim cover 13 edge and base 5's upper surface are laminated mutually, dress trim cover 13 can cover mounting groove 7, hides the connection vestige between chair pole 1 and the base 5 for it is whole more succinctly pleasing to the eye, accords with modern aesthetic requirement. In addition, a reinforcing part 16 extending upwards along the length direction of the chair rod 1 is arranged at the sleeving joint of the decorative cover 13 and the chair rod 1; the reinforcing portion 16 is attached to the seat bar 1, and can further reinforce the connection strength between the seat bar 1 and the base 5.
In conclusion, by adopting the seat supporting device, the stability of the bottoms of the two seat rods 1 is greatly improved, so that the connection strength between the seat rods 1 and the base 5 is very stable, and the seat rods 1 are only required to be inserted into the base 5 from top to bottom and connected through screws; so that the installation is very convenient and fast.
The present invention and its embodiments have been described above schematically, and the description is not intended to be limiting, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the utility model, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the utility model.
Claims (10)
1. A seat support device, characterized by: the device comprises two supporting upright posts arranged in a mirror image manner, wherein the two supporting upright posts are connected together through a fixing plate which is positioned at the bottoms of the supporting upright posts and is made of rigid material; the lower end of the supporting upright rod downwards penetrates through the fixed plate and penetrates out of the part of the fixed plate to form an inserting part, a rigid reinforcing plate is arranged between the two inserting parts, two ends of the reinforcing plate are respectively and fixedly connected with the inserting parts of the supporting upright rod, and the upper end of the reinforcing plate is also fixedly connected with the fixed plate; the two supporting upright rods and the fixing plate form a whole.
2. The seat support apparatus of claim 1, wherein: the fixing plate is a metal plate; the two supporting upright rods are respectively welded and fixed with the fixed plate.
3. The seat support apparatus of claim 1, wherein: the reinforcing plate is a metal plate and is perpendicular to the fixing plate; the two ends of the reinforcing plate are respectively welded and fixed with the insertion parts, and the upper end of the reinforcing plate is welded and fixed with the fixing plate.
4. The seat support apparatus of claim 1, wherein: the support pole setting be metal flat pipe, support the pole setting slope setting, and support the sectional length direction of pole setting and the fore-and-aft direction of base and keep unanimous.
5. The seat support apparatus of claim 4, wherein: and a mounting block for connecting a screw is welded and fixed in the lower end of the supporting vertical rod, and the lower surface of the mounting block is flush with the lower surface of the supporting vertical rod.
6. The seat support apparatus of claim 1, wherein: the length of the insertion part is between 5 and 20 cm.
7. A seat, characterized by: comprising a base, a chair back, a chair seat and a seat support as claimed in any one of claims 1 to 6; the lower end of the supporting upright rod is fixed on the base, and the chair back and the chair seat are arranged on the supporting upright rod; the base is provided with a slot, the slot comprises positioning grooves which are arranged in bilateral symmetry and a transverse groove which is communicated between the two positioning grooves, the insertion part is inserted in the positioning grooves, and the reinforcing plate is inserted in the transverse groove.
8. The seat according to claim 7, wherein: after the supporting upright stanchion is in inserted fit with the base, the supporting upright stanchion is in a backward inclined state from bottom to top; the fixing plate is in a horizontal state.
9. The seat according to claim 8, wherein: an inward-sunken mounting groove is formed in the upper surface of the base, and the slot is arranged in the mounting groove; the fixed plate is embedded in the mounting groove, the fixed plate and the base are fixedly connected through screws, and the supporting vertical rod and the base are fixedly connected through screws.
10. The seat of claim 9, wherein: the two supporting vertical rods are sleeved with a decorative cover, and the decorative cover is connected and fixed on the upper surface of the base to cover the mounting groove.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020209638964 | 2020-05-29 | ||
| CN202020963896 | 2020-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216675295U true CN216675295U (en) | 2022-06-07 |
Family
ID=77023606
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121187157.1U Active CN216675295U (en) | 2020-05-29 | 2021-05-29 | Seat supporting device and seat |
| CN202110596058.7A Active CN113197454B (en) | 2020-05-29 | 2021-05-29 | Chair seat |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110596058.7A Active CN113197454B (en) | 2020-05-29 | 2021-05-29 | Chair seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN216675295U (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR200259847Y1 (en) * | 1999-05-11 | 2002-01-09 | 주재영 | A chassis for bench |
| KR100428434B1 (en) * | 2001-08-16 | 2004-04-29 | 정관영 | Chair back supporter of which width being adjustable |
| JP4318165B2 (en) * | 2003-01-29 | 2009-08-19 | 株式会社いうら | Guide member of table part in elevator for wheelchair |
| KR200319577Y1 (en) * | 2003-04-14 | 2003-07-12 | 지-순 리아오 | Mechanism for adjusting the height of the back support of chair |
| US7234777B2 (en) * | 2004-03-16 | 2007-06-26 | Kimball International, Inc. | Chair with adjustable armrests and backrest |
| JP4964564B2 (en) * | 2006-11-13 | 2012-07-04 | 株式会社岡村製作所 | Mounting structure of backrest frame in chair |
| CN201011965Y (en) * | 2007-03-20 | 2008-01-30 | 林如方 | Plastic leisure rocking chair |
| CN201131506Y (en) * | 2007-12-06 | 2008-10-15 | 益典工业股份有限公司 | seat adjustment device |
| US8020934B2 (en) * | 2009-07-15 | 2011-09-20 | Jung-Hua Hu | Chair backrest elevating device |
| TWM384589U (en) * | 2010-01-22 | 2010-07-21 | Tayhuah Furniture Corp | Bi-axial rotary armrest of chair |
| TWM419484U (en) * | 2011-03-21 | 2012-01-01 | Isotech Products Inc | Multi-functional chair armrest adjustment device |
| CN204146673U (en) * | 2014-08-15 | 2015-02-11 | 浙江恒林椅业股份有限公司 | A kind of rota-cline seat with flexible heel brace |
| CN204483580U (en) * | 2015-03-31 | 2015-07-22 | 中国地质大学（武汉） | A kind of concertina type chair bed |
| US11583719B2 (en) * | 2016-03-24 | 2023-02-21 | Evan Mark Weisz | Exercise chair utilizing an adjustable resistance band system |
| CN207969864U (en) * | 2017-12-17 | 2018-10-16 | 中山市纳智日用制品有限公司 | A kind of child healthy learning chair |
| CN208725216U (en) * | 2018-02-06 | 2019-04-12 | 漳州万佳华工贸有限公司 | A kind of flexible detachable wooden chair |
| CN208755387U (en) * | 2018-05-08 | 2019-04-19 | 乔帅玲 | A kind of angle adjustable formula combined table and chair assembly |
| CN109984499A (en) * | 2018-09-22 | 2019-07-09 | 永艺家具股份有限公司 | A kind of back synchronizing linkage and seat |
| CN109875303A (en) * | 2019-04-23 | 2019-06-14 | 丹阳市康成未来智能家具有限公司 | A kind of support fixed structure of the chair back |
| CN110025164A (en) * | 2019-04-24 | 2019-07-19 | 丹阳市康成未来智能家具有限公司 | A kind of multifunctional children learning chair |
| CN210204060U (en) * | 2019-08-15 | 2020-03-31 | 浙江胤亿科技有限公司 | Office chair leg convenient to remove |
-
2021
- 2021-05-29 CN CN202121187157.1U patent/CN216675295U/en active Active
- 2021-05-29 CN CN202110596058.7A patent/CN113197454B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113197454A (en) | 2021-08-03 |
| CN113197454B (en) | 2024-03-26 |
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