CN203969800U - A kind of chair supporting structure of improvement - Google Patents
A kind of chair supporting structure of improvement Download PDFInfo
- Publication number
- CN203969800U CN203969800U CN201420320484.3U CN201420320484U CN203969800U CN 203969800 U CN203969800 U CN 203969800U CN 201420320484 U CN201420320484 U CN 201420320484U CN 203969800 U CN203969800 U CN 203969800U
- Authority
- CN
- China
- Prior art keywords
- swing arm
- fixed support
- support post
- interconnecting piece
- hole
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of chair supporting structure of improvement, it comprises base for supporting, fixed support post, middle swing arm, castor, base for supporting comprises middle interconnecting piece and five feets, castor is installed on the terminal part lower surface of each feet, the center of middle interconnecting piece arranges connection rotating shaft, match with the upper end of connection rotating shaft by shaft set hole in one end of middle swing arm, the upper surface of middle swing arm the other end is provided with the reinforcement holder of bucking ladder shape, reinforcement holder is set with hole by support column and matches with the bottom of fixed support post, fixed support post bottom cross section oval in shape, support column suit hole is oval poroid, the bottom of fixed support post lock onto in support column suit hole by lock screw.Design by said structure, the utlity model has structural design novelty, simple in structure, good looking appearance and the good advantage of reliability.
Description
Technical field
The utility model relates to chair technical field, relates in particular to a kind of chair supporting structure of improvement.
Background technology
As a kind of work, study article of furniture of indispensability, chair is the very important role of performer in daily life, has diversified Chair structure in prior art; Wherein, for chair, it generally includes seat support, the chair back and corresponding supporting construction.
Move for ease of chair, chair of the prior art generally all disposes wheel, especially for office chair and chair for learning.In actual use procedure, for the above-mentioned chair moving by wheel, the poor and inaesthetic defect of profile of its supporting construction ubiquity reliability.
Utility model content
The purpose of this utility model is to provide for the deficiencies in the prior art a kind of chair supporting structure of improvement, the good and good looking appearance of the chair supporting structure modern design of this improvement, reliability.
For achieving the above object, the utility model is achieved through the following technical solutions.
A kind of chair supporting structure of improvement, include base for supporting and for supporting the fixed support post of fixing seat support, the chair back, base for supporting includes the middle interconnecting piece of cylindrical shape, the periphery of middle interconnecting piece is provided with five and is evenly feet spaced apart and that extend along the diametric(al) of middle interconnecting piece respectively of circumference ring-type, each feet and middle interconnecting piece are one-body molded, and the terminal part lower surface of each feet is equiped with respectively castor;
The center of middle interconnecting piece is provided with the connection rotating shaft extending upward, connection rotating shaft and middle interconnecting piece are one-body molded, between the bottom of connection rotating shaft and fixed support post, be equiped with the middle swing arm that is strip, the corresponding connection rotating shaft in one end of middle swing arm offers the shaft set hole under shed, the upper end of connection rotating shaft is flush-mounted in the shaft set hole of middle swing arm rotatably, the upper surface of middle swing arm the other end is provided with the reinforcement holder that extends and be bucking ladder shape upward, the core of strengthening holder offers the support column suit hole of upward opening, the cross section oval in shape of fixed support post bottom, it is poroid that the support column of middle swing arm is set with the suitable ellipse of Kong Chengyu fixed support post bottom shape, in the middle of the bottom of fixed support post is intercalated in, the support column of swing arm is set with in hole, the bottom in support column suit hole is fitted with lock screw, the bottom of fixed support post lock onto in support column suit hole by lock screw.
The beneficial effects of the utility model are: the chair supporting structure of a kind of improvement described in the utility model, it comprises base for supporting, fixed support post, middle swing arm, castor, base for supporting comprises middle interconnecting piece and five feets, castor is installed on the terminal part lower surface of each feet, the center of middle interconnecting piece arranges connection rotating shaft, match with the upper end of connection rotating shaft by shaft set hole in one end of middle swing arm, the upper surface of middle swing arm the other end arranges reinforcement holder, reinforcement holder is set with hole by support column and matches with the bottom of fixed support post, fixed support post bottom cross section oval in shape, support column suit hole is oval poroid, the bottom of fixed support post lock onto in support column suit hole by lock screw.Design by said structure, the utlity model has structural design novelty, simple in structure, good looking appearance and the good advantage of reliability.
Brief description of the drawings
Utilize accompanying drawing to be further detailed the utility model below, but the embodiment in accompanying drawing does not form any restriction of the present utility model.
Fig. 1 is structural representation of the present utility model.
In Fig. 1, include:
1---base for supporting 11---middle interconnecting piece
12---feet 13---connection rotating shaft
2---fixed support post 3---castor
4---middle swing arm 41---strengthens holder
411---support column suit hole.
Detailed description of the invention
Below in conjunction with concrete embodiment, the utility model is described.
As shown in Figure 1, a kind of chair supporting structure of improvement, include base for supporting 1 and for supporting the fixed support post 2 of fixing seat support, the chair back, base for supporting 1 includes the middle interconnecting piece 11 of cylindrical shape, the periphery of middle interconnecting piece 11 is provided with five and is evenly feet 12 spaced apart and that extend along the diametric(al) of middle interconnecting piece 11 respectively of circumference ring-type, each feet 12 is one-body molded with middle interconnecting piece 11, and the terminal part lower surface of each feet 12 is equiped with respectively castor 3.
Wherein, the center of middle interconnecting piece 11 is provided with the connection rotating shaft 13 extending upward, connection rotating shaft 13 is one-body molded with middle interconnecting piece 11, between the bottom of connection rotating shaft 13 and fixed support post 2, be equiped with the middle swing arm 4 that is strip, the corresponding connection rotating shaft 13 in one end of middle swing arm 4 offers the shaft set hole under shed, the upper end of connection rotating shaft 13 is flush-mounted in the shaft set hole of middle swing arm 4 rotatably, the upper surface of middle swing arm 4 the other end is provided with the reinforcement holder 41 that extends and be bucking ladder shape upward, the core of strengthening holder 41 offers the support column suit hole 411 of upward opening, the cross section oval in shape of fixed support post 2 bottoms, it is poroid that the support column suit hole 411 of middle swing arm 4 is the ellipse suitable with fixed support post 2 bottom shapes, in the middle of the bottom of fixed support post 2 is intercalated in, the support column of swing arm 4 is set with in hole 411, the bottom in support column suit hole 411 is fitted with lock screw (not shown), the bottom of fixed support post 2 lock onto in support column suit hole 411 by lock screw.
In the utility model use procedure, base for supporting 1 contacts with ground by the castor 3 of each feet 12 terminal parts, and by the relative ground surface of castor 3, the utility model can be realized movement like a cork; For base for supporting 1, the middle interconnecting piece 11 of base for supporting 1, feet 12 and connection rotating shaft 13 can be made of one piece by injection moulding mode, and the base for supporting 1 of this structural design can reduce production costs effectively, and easy to process.
Base for supporting 1 is connected with the shaft set hole of middle swing arm 4 by connection rotating shaft 13, and by this structural design, the utility model can realize like a cork fixed support post 2 and the chair back, seat rotating regulate accordingly.
Need further point out, support column suit of the present utility model hole 411 is designed to oval poroid, and the bottom cross section of fixed support post 2 is also ellipticity, in the time that the intercalation of the bottom of fixed support post 2 is interior to support column suit hole 411, the fixed support post 2 of above-mentioned shape and structure design and support column suit hole 411 can avoid fixed support post 2 to rotate relative to middle swing arm 4 effectively, and 2, fixed support post need can fully be fixed in support column suit hole 411 by a lock screw, and dismounting is very convenient.
In addition, reinforcement holder 41 of the present utility model is designed to bucking ladder shape, and the reinforcement holder 41 of this structural design can support fixed support post 2 effectively, and reliability is good.
Comprehensive above-mentioned situation is known, the utlity model has structural design novelty, simple in structure, good looking appearance and the good advantage of reliability.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (1)
1. the chair supporting structure of an improvement, it is characterized in that: include base for supporting (1) and for supporting fixing seat support, the fixed support post (2) of the chair back, base for supporting (1) includes the middle interconnecting piece (11) of cylindrical shape, the periphery of middle interconnecting piece (11) is provided with five and is evenly feet (12) spaced apart and that extend along the diametric(al) of middle interconnecting piece (11) respectively of circumference ring-type, each feet (12) is one-body molded with middle interconnecting piece (11), the terminal part lower surface of each feet (12) is equiped with respectively castor (3),
The center of middle interconnecting piece (11) is provided with the connection rotating shaft (13) extending upward, connection rotating shaft (13) is one-body molded with middle interconnecting piece (11), between the bottom of connection rotating shaft (13) and fixed support post (2), be equiped with the middle swing arm (4) that is strip, the corresponding connection rotating shaft in one end (13) of middle swing arm (4) offers the shaft set hole under shed, the upper end of connection rotating shaft (13) is flush-mounted in the shaft set hole of middle swing arm (4) rotatably, the upper surface of middle swing arm (4) the other end is provided with the reinforcement holder (41) that extends and be bucking ladder shape upward, the core of strengthening holder (41) offers the support column suit hole (411) of upward opening, the cross section oval in shape of fixed support post (2) bottom, it is poroid that the support column suit hole (411) of middle swing arm (4) is the ellipse suitable with fixed support post (2) bottom shape, in the middle of the bottom of fixed support post (2) is intercalated in, the support column of swing arm (4) is set with in hole (411), the bottom in support column suit hole (411) is fitted with lock screw, the bottom of fixed support post (2) lock onto in support column suit hole (411) by lock screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420320484.3U CN203969800U (en) | 2014-06-17 | 2014-06-17 | A kind of chair supporting structure of improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420320484.3U CN203969800U (en) | 2014-06-17 | 2014-06-17 | A kind of chair supporting structure of improvement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203969800U true CN203969800U (en) | 2014-12-03 |
Family
ID=51967283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420320484.3U Expired - Fee Related CN203969800U (en) | 2014-06-17 | 2014-06-17 | A kind of chair supporting structure of improvement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203969800U (en) |
-
2014
- 2014-06-17 CN CN201420320484.3U patent/CN203969800U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20160617 |