CN2722736Y - Folding mechanism and folding chair and folding table using said folding mechanism - Google Patents
Folding mechanism and folding chair and folding table using said folding mechanism Download PDFInfo
- Publication number
- CN2722736Y CN2722736Y CN 200420052542 CN200420052542U CN2722736Y CN 2722736 Y CN2722736 Y CN 2722736Y CN 200420052542 CN200420052542 CN 200420052542 CN 200420052542 U CN200420052542 U CN 200420052542U CN 2722736 Y CN2722736 Y CN 2722736Y
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- expansion link
- support frame
- folding support
- folding
- cross bar
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Abstract
The utility model relates to a folding mechanism, comprising the first extensible bar and the second extensible bar; the first extensible bar and the second extensible bar are connected through a folding and crossed connecting bar; the utility model also consist of a horizontal bar; one end of the horizontal bar is pivoted with the upper end of the first extensible bar, and the other end is bended downwards; the horizontal bar slides and adopts the rotatable connection on the second extensible bar. The corresponding folding tables and folding chairs are designed by adopting the folding mechanism. The folding mechanism provided by the utility model has the advantages of simple structure, and less connection points; the folding tables and the folding chairs adopted by the folding mechnism are used to carry conveniently and are firm and reliable.
Description
Technical field,
The utility model relates to folding seat, table, specifically is meant to be used for folding seat, the fold mechanism of table and folding seat and the folding table that adopts this fold mechanism.
Background technology
Outdoor leisure activity at present is subjected to generally paying attention to, many houses articles for use have conveniently the characteristics of collecting, carrying simultaneously, demand at the user, existing leisure chaise longue, table have folding closing function usually, so that easy to carry when going out to lie fallow, simple in structure, convenient folding should be its main feature.
Existing folding seat 1, referring to figs. 1 through Fig. 5, its fold mechanism mainly comprises handrail 11, front support rod 12, back stay 13, back of the body bar 14 and outer cross bar 15, wherein, handrail 11 joins with the contiguous block 111 that is connected front support rod 12 upper ends 121 and back stay 13 upper ends 131 by the groove 113 of its downside, handrail terminal 112 joins with back of the body bar 14, the end 122 of front support rod 12 is connected with 151 about 2/5ths places, upper end of outer cross bar 15 with rivet 123, back stay 13 terminal 132 is connected with contiguous block 161 on the back foot lever 16, back of the body bar 14 is the knee that a bottom bends forward, be connected with the fixed block 162 of back on the foot lever 16 in nearly middle part, the end 141 and a slide block 152 of back of the body bar 14 join, and slide block 152 is sheathed on the outer cross bar 15.
With reference to Fig. 5, be the schematic diagram of this folding seat 1 after amounting to, this folding seat 1 body of rod is more, and structure is complicated, and it is still bigger to amount to the back volume, and inconvenience is used and is carried; Secondly, connecting portion is numerous between each body of rod, and each connecting portion is flexible connection, built on the sand, uses the fault rate of each connecting portion bigger for a long time during use.
Also have diversified folding seat or folding table in the prior art, its foldable structure is more complicated mostly, and built on the sand, fault rate is than higher shortcoming when having aforementioned use.
The utility model content
The utility model provides a kind of fold mechanism and adopts the folding seat and the folding table of this fold mechanism, its main purpose be to overcome the fold mechanism of folding table of the prior art or folding seat too complicated, use the defective that inconvenience, connecting portion are numerous, be prone to fault.
The utility model adopts following technical scheme: a kind of fold mechanism, comprise first expansion link and second expansion link, connect by a folding cross link between first expansion link and second expansion link, also comprise a cross bar, one end of this cross bar and the upper end of first expansion link articulate, the other end is bent downwardly, and slidably and rotationally is connected on second expansion link.
Second expansion link of aforementioned fold mechanism is installed with a contiguous block by top, convex with a button portion on this contiguous block, second expansion link is slidingly equipped with a slide in this contiguous block below, described cross bar and this slide articulate, this slide is provided with the fastener that matches with button portion on the contiguous block, and this fastener and slide are rotatably connected.
Adopt the folding seat of aforementioned fold mechanism, comprise first folding support frame, second folding support frame and seat, first folding support frame comprises first expansion link and second expansion link, connect by a collapsible cross link between first expansion link and second expansion link, also comprise a cross bar, one end of this cross bar and the upper end of first expansion link articulate, and the other end is bent downwardly, and slidably and rotationally is connected on second expansion link; Second folding support frame is identical with the first folding support frame structure; Connect by collapsible cross link respectively between the expansion link of first folding support frame and the corresponding side of second folding support frame; Be provided with seat between first folding support frame and second folding support frame.
The expansion link of a side in correspondence with each other of first folding support frame of aforementioned folding seat and second folding support frame extends upward, and is provided with the chair back on its elongated end.
Second expansion link of first folding support frame of aforementioned folding seat is installed with a contiguous block by top, convex with a button portion on this contiguous block, second expansion link is provided with a slide in the contiguous block below, described cross bar and this slide articulate, this slide is provided with the fastener that matches with button portion on the contiguous block, this fastener and slide are rotatably connected, and the corresponding construction of second folding support frame is identical with first folding support frame.
Adopt the folding table of aforementioned fold mechanism, comprise first folding support frame and second folding support frame, first folding support frame comprises middle expansion link, left side expansion link and right expansion link, between left side expansion link and the middle expansion link, all connect between right expansion link and the middle expansion link by collapsible cross link, also comprise left cross bar and right cross bar, one end of left side cross bar and the top of left expansion link articulate, other end bending downwards is also rotatable with middle expansion link, slidably connect, one end of right cross bar and the top of right expansion link articulate, and the other end bends downwards and be rotatable with middle expansion link, slidably connect; The structure of second folding support frame is identical with first folding support frame, all connects by collapsible cross link between the left expansion link of first folding support frame and second folding support frame, between the middle expansion link, between the right expansion link; First folding support frame and second folding support frame top are provided with desktop.
The middle expansion link of first folding support frame of aforementioned folding table is installed with a contiguous block by top, convex with a button portion on this contiguous block, middle expansion link is provided with a slide in the contiguous block below, described left cross bar, right cross bar are articulated in the both sides of this slide, this slide is provided with the fastener that matches with button portion on the contiguous block, this fastener and slide are rotatably connected, and the corresponding construction of second folding support frame is identical with first folding support frame.
The middle expansion link top of first folding support frame of aforementioned folding table is provided with cross bar in, cross bar is between the knee of left cross bar, right cross bar in being somebody's turn to do, and with left cross bar, right cross bar in line, the corresponding construction of second folding support frame is identical with first folding support frame.
Adopt the another folding table of aforementioned fold mechanism, comprise first folding support frame and second folding support frame, first folding support frame comprises middle expansion link, left side expansion link and right expansion link, between left side expansion link and the middle expansion link, all connect between right expansion link and the middle expansion link by collapsible cross link, also comprise left cross bar and right cross bar, one end of left side cross bar and the top of middle expansion link articulate, other end bending downwards is also rotatable with left expansion link, slidably connect, one end of right cross bar and the top of middle expansion link articulate, and the other end bends downwards and be rotatable with right expansion link, slidably connect; The structure of second folding support frame is identical with first folding support frame, all connects by collapsible cross link between the left expansion link of first folding support frame and second folding support frame, between the middle expansion link, between the right expansion link; First folding support frame and second folding support frame top are provided with desktop.
The left expansion link of first folding support frame of aforementioned folding table is installed with a contiguous block by top, convex with a button portion on this contiguous block, left side expansion link is provided with a slide in the contiguous block below, described left cross bar is articulated on this slide, this slide is provided with the fastener that matches with button portion on the contiguous block, this fastener and slide are rotatably connected, the syndeton symmetry of the syndeton of right expansion link and right cross bar and left expansion link and left cross bar; The corresponding construction of second folding support frame is identical with first folding support frame.
By above-mentioned description to the utility model structure as can be known, compare with prior art, the utlity model has following advantage: the fold mechanism that the utility model provides is simple in structure, and connecting portion is less, adopt folding table, the folding seat use, easy to carry, solid and reliable of this fold mechanism.
Description of drawings
Fig. 1 is the perspective view of prior art folding seat;
Fig. 2 is a prior art folding seat side structure schematic diagram;
Fig. 3 is the syndeton schematic diagram of prior art folding seat front support rod, back stay and handrail;
Fig. 4 is a foot lever folding schematic diagram after the prior art folding seat;
Fig. 5 is the side view after the folding of prior art folding seat;
Fig. 6 is the perspective view of the utility model embodiment one;
The cross bar and the second expansion link syndeton schematic diagram when Fig. 7 is the utility model embodiment one expansion;
Fig. 8 amounts to the process cross bar and the second expansion link syndeton schematic diagram for the utility model embodiment one;
Fig. 9 is the utility model embodiment one cross bar and the first expansion link syndeton schematic diagram;
Side structure schematic diagram when Figure 10 is the utility model embodiment one expansion;
Figure 11 is the utility model embodiment one folding process side structure schematic diagram;
Figure 12 is the utility model embodiment one folding trailing flank structural representation;
Side structure schematic diagram when Figure 13 is the utility model embodiment two expansion;
Side structure schematic diagram when Figure 14 is the utility model embodiment two foldings;
Figure 15 is the utility model embodiment three perspective view;
Figure 16 is expansion link and left cross bar among the utility model embodiment three, right cross bar syndeton schematic diagram;
Figure 17 is the utility model embodiment three side structure schematic diagrames;
Figure 18 is the utility model embodiment three folding trailing flank structural representations;
Side structure schematic diagram when Figure 19 is the utility model embodiment four expansion;
Figure 20 is the utility model embodiment four folding trailing flank structural representations;
Figure 21 is the utility model embodiment five perspective view.
Specific embodiment
Specific embodiment of the utility model one, with reference to Fig. 6 to Figure 12, for adopting the folding seat of the utility model fold mechanism, comprise first folding support frame 201, second folding support frame 202 and seat 200, first folding support frame 201 comprises first expansion link 23 and second expansion link 24, the two ends up and down of first expansion link 23 and second expansion link 24 articulate with four ends of a collapsible cross link 25 respectively, form a folding structure, also comprise a cross bar 2, one end of this cross bar articulates by the upper end of an articulated section 21 and first expansion link 23, the other end is bent downwardly, be connected with second expansion link 24, second expansion link 24 is installed with a contiguous block 232 in this junction, convex with a button portion 231 on this contiguous block 232, second expansion link 24 is provided with a slide 21 in contiguous block 232 belows, cross bar 2 articulates by the elongated end 214 of a drive-connecting shaft 213 with this slide 21, this slide 21 is provided with the fastener 26 that matches with button portion 231 on the contiguous block 232, these fastener 26 middle parts and slide 21 are rotatably connected, its upper end 261 can be fastened in the button portion 231, its bottom 262 is the press section, when pushing bottom 262, its upper end 261 can break away from the buckling state with button portion 231.
Second folding support frame 202 is identical with first folding support frame, 201 structures; Connect by a collapsible cross link 25 respectively between the expansion link of first folding support frame 201 and second folding support frame, 202 corresponding sides; Be provided with seat 200 between four expansion link tops of first folding support frame 201 and second folding support frame 202.Second expansion link, 24 tops of first folding support frame 201 extend upward, and the expansion link of second folding support frame, 202 corresponding sides also extends upward, and is provided with the chair back 20 between two elongated ends.
With reference to Fig. 6, Fig. 7 and Figure 10, under the user mode, fastener 26 upper ends 261 are fastened in the button portion 231 of contiguous block 232, cross bar 2 is horizontal, first folding support frame 201 is in deployed condition, and second folding support frame 202 also is in deployed condition, thereby this folding seat is in deployed condition; With reference to Fig. 8, Figure 11 and Figure 12, when folding, push fastener 26 bottoms 262, make its upper end 261 break away from button portion 231, promote slide 21 downwards, the end that cross bar 2 is connected with slide 21 is also thereupon to lower slider, and first expansion link 23 and second expansion link 24 are drawn close mutually gradually, become folded state at last.
Specific embodiment of the utility model two, with reference to Figure 13 and Figure 14, its primary structure is identical with embodiment one, difference is: first expansion link, 23 tops of first folding support frame 201 extend upward, the expansion link of second folding support frame, 202 corresponding sides also extends upward, and the chair back 20 is connected with between two elongated ends.
Specific embodiment of the utility model three, with reference to Figure 15 to Figure 18, for adopting the folding table of the utility model fold mechanism, comprise first folding support frame 301 and second folding support frame 302, first folding support frame 301 comprises middle expansion link 33, left side expansion link 34 and right expansion link 34 ', between left side expansion link 34 and the middle expansion link 33, all connect between right expansion link 34 ' and the middle expansion link 33 by collapsible cross link 35, also comprise left cross bar 3 and right cross bar 3 ', one end of left side cross bar 3 articulates by the top of articulated section 32 with left expansion link 34, the other end bends downwards and is connected with middle expansion link 33, middle expansion link 33 is installed with a contiguous block 332 in this junction, convex with a button portion 331 on this contiguous block 332, middle expansion link 33 is provided with a slide 31 in these contiguous block 332 belows, left side cross bar 3 is articulated in a side of this slide 31 and is connected with middle expansion link 33, this slide 31 is provided with the fastener 36 that matches with button portion 331 on the contiguous block 332, this fastener 36 is rotatably connected with slide 31, one end of right cross bar 3 ' articulates by the top of articulated section 32 ' with right expansion link 34 ', other end bending downwards also articulates with slide 31 on the middle expansion link 33, middle expansion link 33 tops are provided with cross bar 30 in, cross bar position 30 is in left cross bar 3 in being somebody's turn to do, between the knee of right cross bar 3 ', and with left cross bar 3, right cross bar 3 ' in line.The structure of second folding support frame 302 is identical with first folding support frame 301, all connects by collapsible cross link 35 between the left expansion link 34 of first folding support frame 301 and second folding support frame, 302 correspondences, between the middle expansion link 33, between the right expansion link 34 '.
First folding support frame 301 and second folding support frame, 302 tops also are provided with desktop, do not draw among the figure.
The folded state of this folding table is with reference to Figure 18.
Specific embodiment of the utility model four, with reference to Figure 19 and Figure 20, for adopting the another folding table of the utility model fold mechanism, its first folding support frame 401 comprises middle expansion link 43, left side expansion link 44 and right expansion link 44 ', also comprise left cross bar 4 and right cross bar 4 ', one end of left side cross bar 4 articulates by the top of articulated section 42 with middle expansion link 43, the other end bends downwards and is connected with left expansion link 44, left side expansion link 44 is installed with a contiguous block 432 in this junction, convex with a button portion 431 on this contiguous block 432, left side expansion link 44 is provided with a slide 41 in contiguous block 432 belows, this slide 41 is provided with the fastener 46 that matches with button portion 431 on the contiguous block 432, this fastener and slide are rotatably connected, and left cross bar 4 is articulated on this slide 41.Expansion link 44 tops, a left side extend to form left cover bar 40 to the right, and this left side cover bar 40 is located along the same line with left cross bar 4.The corresponding construction of right cross bar 4 ' and with the syndeton of middle expansion link 43, right expansion link 44 ' and the corresponding construction symmetry of left cross bar 4, the label of corresponding construction is respectively slide 41 ', contiguous block 432 ', button portion 431 ', fastener 46 ', right cover bar 40 '.Second folding support frame is identical with the structure of first folding support frame 401.Other structure is identical with embodiment three.
Specific embodiment of the utility model five, with reference to Figure 21, its basic structure is identical with embodiment one, the main distinction is that it does not have the chair back, the top of second expansion link 54 of its first folding support frame 501 is provided with a cover bar 50, this cover bar 50 is located along the same line with cross bar 5, and its second folding support frame, 502 first folding support frames, 501 corresponding constructions are identical.This embodiment can be used as folding table or does not have the folding seat of backrest.
Above-mentioned only is five specific embodiment of the present utility model, but design concept of the present utility model is not limited thereto, and allly utilizes this design that the utility model is carried out the improvement of unsubstantiality, all should belong to the behavior of invading the utility model protection domain.
Claims (10)
1, a kind of fold mechanism, comprise first expansion link and second expansion link, connect by a folding cross link between first expansion link and second expansion link, it is characterized in that: also comprise a cross bar, one end of this cross bar and the upper end of first expansion link articulate, the other end is bent downwardly, and slidably and rotationally is connected on second expansion link.
2, a kind of fold mechanism as claimed in claim 1, it is characterized in that: described second expansion link is installed with a contiguous block by top, convex with a button portion on this contiguous block, second expansion link is slidingly equipped with a slide in this contiguous block below, described cross bar and this slide articulate, this slide is provided with the fastener that matches with button portion on the contiguous block, and this fastener and slide are rotatably connected.
3, adopt the folding seat of the described fold mechanism of claim 1, comprise first folding support frame, second folding support frame and seat, it is characterized in that: first folding support frame comprises first expansion link and second expansion link, connect by a collapsible cross link between first expansion link and second expansion link, also comprise a cross bar, one end of this cross bar and the upper end of first expansion link articulate, and the other end is bent downwardly, and slidably and rotationally is connected on second expansion link; Second folding support frame is identical with the first folding support frame structure; Connect by collapsible cross link respectively between the expansion link of first folding support frame and the corresponding side of second folding support frame; Be provided with seat between first folding support frame and second folding support frame.
4, folding seat as claimed in claim 3 is characterized in that: the expansion link of a side in correspondence with each other of first folding support frame and second folding support frame extends upward, and is provided with the chair back on its elongated end.
5, folding seat as claimed in claim 3, it is characterized in that: second expansion link of described first folding support frame is installed with a contiguous block by top, convex with a button portion on this contiguous block, second expansion link is provided with a slide in the contiguous block below, described cross bar and this slide articulate, this slide is provided with the fastener that matches with button portion on the contiguous block, and this fastener and slide are rotatably connected, and the corresponding construction of second folding support frame is identical with first folding support frame.
6, adopt the folding table of the described fold mechanism of claim 1, comprise first folding support frame and second folding support frame, it is characterized in that: first folding support frame comprises middle expansion link, left side expansion link and right expansion link, between left side expansion link and the middle expansion link, all connect between right expansion link and the middle expansion link by collapsible cross link, also comprise left cross bar and right cross bar, one end of left side cross bar and the top of left expansion link articulate, other end bending downwards is also rotatable with middle expansion link, slidably connect, one end of right cross bar and the top of right expansion link articulate, and the other end bends downwards and be rotatable with middle expansion link, slidably connect; The structure of second folding support frame is identical with first folding support frame, all connects by collapsible cross link between the left expansion link of first folding support frame and second folding support frame, between the middle expansion link, between the right expansion link; First folding support frame and second folding support frame top are provided with desktop.
7, folding table as claimed in claim 6, it is characterized in that: the middle expansion link of described first folding support frame is installed with a contiguous block by top, convex with a button portion on this contiguous block, middle expansion link is provided with a slide in the contiguous block below, described left cross bar, right cross bar are articulated in the both sides of this slide, this slide is provided with the fastener that matches with button portion on the contiguous block, and this fastener and slide are rotatably connected, and the corresponding construction of second folding support frame is identical with first folding support frame.
8, folding table as claimed in claim 6, it is characterized in that: the middle expansion link top of first folding support frame is provided with cross bar in, cross bar is between the knee of left cross bar, right cross bar in being somebody's turn to do, and with left cross bar, right cross bar in line, the corresponding construction of second folding support frame is identical with first folding support frame.
9, adopt the folding table of the described fold mechanism of claim 1, comprise first folding support frame and second folding support frame, it is characterized in that: first folding support frame comprises middle expansion link, left side expansion link and right expansion link, between left side expansion link and the middle expansion link, all connect between right expansion link and the middle expansion link by collapsible cross link, also comprise left cross bar and right cross bar, one end of left side cross bar and the top of middle expansion link articulate, other end bending downwards is also rotatable with left expansion link, slidably connect, one end of right cross bar and the top of middle expansion link articulate, and the other end bends downwards and be rotatable with right expansion link, slidably connect; The structure of second folding support frame is identical with first folding support frame, all connects by collapsible cross link between the left expansion link of first folding support frame and second folding support frame, between the middle expansion link, between the right expansion link; First folding support frame and second folding support frame top are provided with desktop.
10, folding table as claimed in claim 9, it is characterized in that: the left expansion link of described first folding support frame is installed with a contiguous block by top, convex with a button portion on this contiguous block, left side expansion link is provided with a slide in the contiguous block below, described left cross bar is articulated on this slide, this slide is provided with the fastener that matches with button portion on the contiguous block, and this fastener and slide are rotatably connected, the syndeton symmetry of the syndeton of right expansion link and right cross bar and left expansion link and left cross bar; The corresponding construction of second folding support frame is identical with first folding support frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420052542 CN2722736Y (en) | 2004-07-20 | 2004-07-20 | Folding mechanism and folding chair and folding table using said folding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420052542 CN2722736Y (en) | 2004-07-20 | 2004-07-20 | Folding mechanism and folding chair and folding table using said folding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2722736Y true CN2722736Y (en) | 2005-09-07 |
Family
ID=35036376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420052542 Expired - Fee Related CN2722736Y (en) | 2004-07-20 | 2004-07-20 | Folding mechanism and folding chair and folding table using said folding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2722736Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101904631A (en) * | 2010-08-09 | 2010-12-08 | 潘荣奎 | Automatic multi-purpose folding support frame |
-
2004
- 2004-07-20 CN CN 200420052542 patent/CN2722736Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101904631A (en) * | 2010-08-09 | 2010-12-08 | 潘荣奎 | Automatic multi-purpose folding support frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050907 Termination date: 20110720 |