CN202908240U - Telescopic foot pad mechanism of seat - Google Patents
Telescopic foot pad mechanism of seat Download PDFInfo
- Publication number
- CN202908240U CN202908240U CN 201220406280 CN201220406280U CN202908240U CN 202908240 U CN202908240 U CN 202908240U CN 201220406280 CN201220406280 CN 201220406280 CN 201220406280 U CN201220406280 U CN 201220406280U CN 202908240 U CN202908240 U CN 202908240U
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- drive
- link
- drive link
- quadric chain
- connecting rod
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Abstract
The utility model discloses a telescopic foot pad mechanism of a seat. The telescopic foot pad mechanism comprises a base, a driving mechanism and a closing frame assembly, wherein the base is fixedly mounted below the seat; the driving mechanism and the closing frame assembly are mounted on the base; the closing frame assembly comprises two symmetrically arranged closing frames; the closing frames comprise first four-connecting-rod mechanisms and second four-connecting-rod mechanisms; the first four-connecting-rod mechanisms and the second four-connecting-rod mechanisms are movably connected with each other and can be unfolded and closed; the first four-connecting-rod mechanisms are pivoted with the base; the driving mechanism is in transmission connection with the first four-connecting-rod mechanisms so as to drive the first four-connecting-rod mechanisms to act; and the second four-connecting-rod mechanisms are driven to act by the first four-connecting-rod mechanisms. Compared with the traditional chassis type foot pad adjusting mechanism, the telescopic foot pad mechanism with the structure, disclosed by the utility model, has the advantages of simpler structure, lower cost, better applicability and greater convenience for operation and can independently control unfolding and closing actions of foot pads without coordinating with backrests.
Description
Technical field
The utility model relates to a kind of seat extension/retraction foot-mat mechanism.
Background technology
Existing seat generally all is provided with the foot-mat mechanism that can provide support foot shank position for promoting riding comfort, and this foot-mat mechanism can launch on demand or fold so that the user ride on the seat.
And the existing more common structure of foot-mat mechanism is to be arranged at seat support front end lower position and to be vertical with seat support, during use foot-mat mechanism can pivot launch parallel with seat support, for example the patent No. is the i.e. for this reason design of United States Patent (USP) of US6572185, US7134713, US6402232, but this kind mode is prone to because foot-mat mechanism is subjected to the restriction of seat support and ground level and causes this foot-mat mechanism length of run deficiency situation.
Traditional foot-mat mechanism generally is designed to and chair back interlock, but and make the chair back this foot pad synchronous expansion of when layback, but this kind design will cause the chair back not swing back the time foot pad can not launch, applicability is not strong.
The utility model content
In order to address the above problem, the utility model provides a kind of seat extension/retraction foot-mat mechanism that can independently control foot pad expansion, folding, and this mechanism has activated position stability and better supportive.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of seat extension/retraction foot-mat mechanism, it is characterized in that comprising a pedestal, one driving mechanism and one folds frame component, described pedestal is fixedly mounted on the seat support below, driving mechanism and fold frame component and be installed on the pedestal, the described frame component that folds comprises that symmetrically arranged two fold frame, the described frame that folds comprises the first quadric chain and the second quadric chain, the first quadric chain and the second quadric chain are movably connected, can launch, folding, the first quadric chain and pedestal articulate, driving mechanism and the first quadric chain are in transmission connection to drive the action of the first quadric chain, and the first quadric chain drives the action of the second quadric chain.
Described pedestal comprises two fish plates that are connected with seat below seat support, be provided with accommodation space between described two fish plates, and described two fish plates top is provided with the junction surface, and fish plate is fixedly connected with seat support by upper junction surface.
Described the first quadric chain comprises first connecting rod, the first basic connecting rod as frame, the first toggle-action lever as crank, be used for driving the first drive rod of the first quadric chain, described the second quadric chain comprises second connecting rod, the second basic connecting rod as frame, the second toggle-action lever as crank, be used for driving the second drive rod of the second quadric chain, described first connecting rod is set to the part of the second drive rod, described the first drive rod is fixedly connected with the second basic connecting rod, driving mechanism and the first drive rod are in transmission connection, the described first basic connecting rod is arranged on the fish plate, described the first drive rod one end and the first toggle-action lever one end are hubbed on respectively on the first basic connecting rod, and the described first drive rod other end and the first toggle-action lever other end are articulated with the two ends of first connecting rod respectively; Described the second drive rod, second connecting rod, the second basic connecting rod and the second toggle-action lever join end to end.
Described driving mechanism comprises a rocker handle, one the 4th drive link, two guide shafts, 2 first drive links and 2 second drive links, described the 4th drive link two ends are provided with non-circular link, described rocker handle one end is provided with the shrinkage pool that cooperates with link, link is located in the shrinkage pool, the first drive link one end and the second drive link one end are articulated, the described first drive link other end is provided with the first through hole that cooperates with link, described fish plate one end is provided with for the perforation of settling the 4th drive link, and the 4th drive link is by being located in link the first through hole and 2 first drive link interlocks; The other end of described fish plate is provided with guide groove, corresponding guide groove position is provided with elongated hole on described the first drive rod, the described second drive link other end is provided with the second through hole, be equipped with guide shaft in described the second through hole, elongated hole and the guide groove, the path when described guide groove shape and guide shaft action is complementary.
Described driving mechanism also comprises an auxiliary body, described auxiliary body comprises spring, the 3rd drive link and bond post, described bond post is arranged on the fish plate, line between the bond post of fish plate and perforation is set to axis, described spring one end is connected with the bond post of fish plate, the other end engages with the 3rd drive link, described the 3rd drive link one end is connected with the link of the 4th drive link, the 3rd drive link other end combined spring other end, and the link position that makes the link of the 3rd drive link and the 4th drive link is positioned between spring two ends, and makes the 3rd drive link be driven by rocker handle can making spring be offset to respective axes below or top position when pivoting.
Described guide groove rear be provided with can to guide shaft spacing fold the location division, the place ahead arrange can be spacing to guide shaft the expansion location division, the guide shaft at two ends can link together by a guide rod.
Described expansion location division can be set to more than one.
Described fold the location division and launch the location division be set to respectively crooked locating slot downwards.
The corresponding guide groove of described guide shaft position arranges bearing.
The beneficial effects of the utility model are: adopt that the relatively traditional chassis type foot pad governor motion structure of the utility model of said structure is more simple, cost is cheaper; Can not must cooperate the chair back can independently control foot pad expansion, folding, have better applicability, more convenient to operate.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified:
Fig. 1 is exploded view of the present utility model;
Fig. 2 is constitutional diagram of the present utility model, shows the foot pad deployed condition;
Fig. 3 is that the utility model is installed in the schematic diagram under the seat;
Fig. 4 is expansion schematic side view of the present utility model;
Fig. 5 is the schematic side view that the utility model is expanded to the another location;
Fig. 6 is the stereogram that folds of the present utility model;
Fig. 7 is that the utility model is installed in the schematic diagram that is in collapse state under the seat.
The specific embodiment
With reference to Fig. 1～Fig. 7, the utility model is a kind of seat extension/retraction foot-mat mechanism, comprise a pedestal 1, one driving mechanism and one folds frame component, pedestal 1 is fixedly mounted on the seat support below, driving mechanism and fold frame component and be installed on the pedestal 1, fold frame component and comprise that symmetrically arranged two fold frame 2, fold frame 2 and comprise the first quadric chain and the second quadric chain, the first quadric chain and the second quadric chain are movably connected, can launch, folding, the first quadric chain and pedestal 1 articulate, driving mechanism and the first quadric chain are in transmission connection to drive the action of the first quadric chain, and the first quadric chain drives the action of the second quadric chain.Adopt that the relatively traditional chassis type foot pad governor motion structure of the utility model of said structure is more simple, cost is cheaper; Can not must cooperate the chair back can independently control foot pad expansion, folding, have better applicability, more convenient to operate.
As shown in the figure, pedestal 1 comprises that 11 of two fish plates that are connected with seat, 11, two fish plates are provided with accommodation space below seat support, and two fish plates, 11 tops are provided with junction surface 12, and fish plate 11 is fixedly connected with seat support by upper junction surface 12.
As shown in the figure, the first quadric chain comprises first connecting rod 23, the first basic connecting rod 21 as frame, the first toggle-action lever 22 as crank, be used for driving the first drive rod 24 of the first quadric chain, the second quadric chain comprises second connecting rod 33, the second basic connecting rod 31 as frame, the second toggle-action lever 32 as crank, be used for driving the second drive rod 34 of the second quadric chain, first connecting rod 23 is set to the part of the second drive rod 34, the first drive rod 24 is fixedly connected with the second basic connecting rod 31, driving mechanism and the first drive rod 24 are in transmission connection, the first basic connecting rod 21 is arranged on the fish plate 11, the first drive rod 24 1 ends and the first toggle-action lever 22 1 ends are hubbed on respectively on the first basic connecting rod 21, and the first drive rod 24 other ends and the first toggle-action lever 22 other ends are articulated with the two ends of first connecting rod 23 respectively; The second drive rod 34, second connecting rod 33, the second basic connecting rod 31 and the second toggle-action lever 32 join end to end.Adopt said structure to fold frame component simple in structure, practical, with low cost, easy to operate, on two second connecting rods 33 bearing frame can be installed, be used for leg-supporting.
As shown in the figure, driving mechanism comprises a rocker handle 41, one the 4th drive link 42, one guide shaft 46,2 first drive links 44 and 2 second drive links 45, the 4th drive link 42 two ends are provided with non-circular link 421; rocker handle 41 1 ends are provided with the shrinkage pool 411 that cooperates with link 421; link 421 is located in the shrinkage pool 411; the first drive link 44 1 ends and the second drive link 45 1 ends are articulated; the first drive link 44 other ends are provided with the first through hole 441 that cooperates with link 421; fish plate 11 1 ends are provided with for perforation 112, the four drive links 42 of settling the 4th drive link 42 by link 421 being located in the first through hole 441 and 2 first drive links, 44 interlocks; The other end of fish plate 11 is provided with guide groove 111, corresponding guide groove 111 positions are provided with elongated hole 241 on the first drive rod 24, the second drive link 45 other ends are provided with the second through hole 451, the second through hole 451, be equipped with guide shaft 46 in elongated hole 241 and the guide groove 111, path when guide groove 111 shapes and guide shaft 46 action is complementary, guide groove 111 rears be provided with can to guide shaft 46 spacing fold location division 113, the place ahead arrange can be spacing to guide shaft 46 expansion location division 114, launch location division 114 and can be set to two, fold location division 113 and launch location division 114 and be set to respectively crooked locating slot downwards, guide shaft 46 corresponding guide grooves 111 positions arrange bearing 431, and the guide shaft 46 at two ends can link together by a guide rod 43.
As shown in the figure, driving mechanism also comprises an auxiliary body 5, auxiliary body 5 comprises spring 51, the 3rd drive link 52 and bond post 53, bond post 53 is arranged on the fish plate 11, the bond post 53 of fish plate 11 and 112 the line of boring a hole are set to axis 6, spring 51 1 ends are connected with bond post 53, the other end engages with the 3rd drive link 52, the 3rd drive link 52 1 ends are connected with the link 421 of the 4th drive link 42, the 3rd drive link 52 other end combined springs 51 other ends, and the link position that makes the link 421 of the 3rd drive link 52 and the 4th drive link 42 is positioned between spring 51 2 ends, and makes the 3rd drive link 52 be driven when pivoting by rocker handle 41 can making spring 51 be offset to respective axes 6 belows or top position.
With reference to Fig. 2～Fig. 4, the utility model operation rocker handle 41 can drive the 4th drive link 42, the first drive link 44, the second drive link 45, fold frame component and launch action, guide shaft 46 can be in guide groove 111 interior movements during action, and guide shaft 46 can be positioned at launch 114 positions, location division and embed the first locating slot 115 to locate expanded position, this moment, spring 51 was positioned at respective axes 6 lower positions, and because of locating slot be recessed design so that bearing user shank weight can make guide shaft 46 more stable with launch location division 114 and engage with the better position stability of tool, again because of the utility model by the average shank weight that fold frame component and user that support of two fish plates 11, can have a better stability of strutting system.
With reference to Fig. 5, the utility model can operate rocker handle 41 adjustment and fold frame component reach position, and make another locating slot 116 that launches location division 114 of guide shaft 46 embeddings locate to shorten length of run, so that the utility model can the person's of being used leg length demand be adjusted expanded position with the better applicability of tool.
With reference to Fig. 6 and Fig. 7,41 rotations of operation rocker handle can drive the 4th drive link 42 when the utility model folded, the first drive link 44, the second drive link 45 corresponding displacements and drive fold frame component and to be and to rotate backward folding, and make and fold frame component and can collapse in the accommodation space lower position to reduce folding volume, and make guide shaft 46 can be positioned at the location, the locating slot that folds location division 113 117 positions of guide groove 111, and the length of elongated hole 241 can provide smoothly displacement of guide shaft 46, and this corresponding expansion of guide groove 111 shapes system, guide shaft 46 displacement paths during actuating, so that guide shaft 46 can be in guide groove 111 interior set path starts with tool than fine piece of writing dynamic stability effect, when being offset to axis 6 position, the spring 51 of rocker handle 41 action drive auxiliary bodies 5 can be stretched again, and when being offset to axis 6 top, spring 51 can fold by its restoring force is auxiliary, so that it is quicker to the utlity model has operation, the effect of convenience, otherwise again also can be by auxiliary body's 5 auxiliary movements when the utility model is converted to deployed condition by collapse state, and the utility model can be controlled the foot pad expansion easily by operation rocker handle 41, fold, and must not cooperate the chair back can independently make foot pad launch, folding, a better applicability can be had, and better stability of strutting system can be had concurrently and length of run is not subjected to seat height restriction effect.
Above-described embodiment is preferred version of the present utility model, and the utility model also can have other embodiments.Those skilled in the art also can make equivalent variations or replacement under the prerequisite of the utility model spirit, the modification that these are equal to or replacement all are included in the application's claim limited range.
Claims (9)
1. seat extension/retraction foot-mat mechanism, it is characterized in that comprising a pedestal (1), one driving mechanism and one folds frame component, described pedestal (1) is fixedly mounted on the seat support below, driving mechanism and fold frame component and be installed on the pedestal (1), the described frame component that folds comprises that symmetrically arranged two fold frame (2), the described frame (2) that folds comprises the first quadric chain and the second quadric chain, the first quadric chain and the second quadric chain are movably connected, can launch, folding, the first quadric chain and pedestal (1) articulate, driving mechanism and the first quadric chain are in transmission connection to drive the action of the first quadric chain, and the first quadric chain drives the action of the second quadric chain.
2. a kind of seat extension/retraction foot-mat mechanism as claimed in claim 1, it is characterized in that described pedestal (1) comprises two fish plates that are connected with seat (11) below seat support, be provided with accommodation space between described two fish plates (11), described two fish plates (11) top is provided with junction surface (12), and fish plate (11) is fixedly connected with seat support by upper junction surface (12).
3. a kind of seat extension/retraction foot-mat mechanism as claimed in claim 2, it is characterized in that described the first quadric chain comprises first connecting rod (23), the first basic connecting rod (21) as frame, the first toggle-action lever (22) as crank, be used for driving first drive rod (24) of the first quadric chain, described the second quadric chain comprises second connecting rod (33), the second basic connecting rod (31) as frame, the second toggle-action lever (32) as crank, be used for driving second drive rod (34) of the second quadric chain, described first connecting rod (23) is set to the part of the second drive rod (34), described the first drive rod (24) is fixedly connected with the second basic connecting rod (31), driving mechanism and the first drive rod (24) are in transmission connection, the described first basic connecting rod (21) is arranged on the fish plate (11), described the first drive rod (24) one ends and the first toggle-action lever (22) one ends are hubbed on respectively on the first basic connecting rod (21), and described the first drive rod (24) other end and the first toggle-action lever (22) other end are articulated with the two ends of first connecting rod (23) respectively; Described the second drive rod (34), second connecting rod (33), the second basic connecting rod (31) and the second toggle-action lever (32) join end to end.
4. a kind of seat extension/retraction foot-mat mechanism as claimed in claim 3, it is characterized in that described driving mechanism comprises a rocker handle (41), one the 4th drive link (42), two guide shafts (46), 2 first drive links (44) and 2 second drive links (45), described the 4th drive link (42) two ends are provided with non-circular link (421), described rocker handle (41) one ends are provided with the shrinkage pool (411) that cooperates with link (421), link (421) is located in the shrinkage pool (411), the first drive link (44) one ends and the second drive link (45) one ends are articulated, described the first drive link (44) other end is provided with the first through hole (441) that cooperates with link (421), described fish plate (11) one ends are provided with for the perforation (112) of settling the 4th drive link (42), and the 4th drive link (42) is by being located in link (421) the first through hole (441) and 2 first drive link (44) interlocks; The other end of described fish plate (11) is provided with guide groove (111), upper corresponding guide groove (111) position of described the first drive rod (24) is provided with elongated hole (241), described the second drive link (45) other end is provided with the second through hole (451), be equipped with guide shaft (46) in described the second through hole (451), elongated hole (241) and the guide groove (111), the path when described guide groove (111) shape and guide shaft (46) action is complementary.
5. a kind of seat extension/retraction foot-mat mechanism as claimed in claim 4, it is characterized in that described driving mechanism also comprises an auxiliary body (5), described auxiliary body (5) comprises spring (51), the 3rd drive link (52) and bond post (53), described bond post (53) is arranged on the fish plate (11), line between the bond post (53) of fish plate (11) and perforation (112) is set to axis (6), described spring (51) one ends are connected with bond post (53), the other end engages with the 3rd drive link (52), described the 3rd drive link (52) one ends are connected with the link (421) of the 4th drive link (42), the 3rd drive link (52) other end combined spring (51) other end, and the link position that makes the link (421) of the 3rd drive link (52) and the 4th drive link (42) is positioned between spring (51) two ends, and makes the 3rd drive link (52) be driven by rocker handle (41) can making spring (51) be offset to respective axes (6) below or top position when pivoting.
6. a kind of seat extension/retraction foot-mat mechanism as claimed in claim 3, it is characterized in that described guide groove (111) rear be provided with can to guide shaft (46) spacing fold location division (113), the place ahead arrange can be spacing to guide shaft (46) expansion location division (114), the guide shaft at two ends (46) can link together by a guide rod (43).
7. a kind of seat extension/retraction foot-mat mechanism as claimed in claim 6 is characterized in that described expansion location division (114) can be set to more than one.
8. a kind of seat extension/retraction foot-mat mechanism as claimed in claim 7, it is characterized in that described fold location division (113) and launch location division (114) be set to respectively crooked locating slot downwards.
9. a kind of seat extension/retraction foot-mat mechanism as claimed in claim 8 is characterized in that the corresponding guide groove of described guide shaft (46) (111) position arranges bearing (431).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220406280 CN202908240U (en) | 2012-08-16 | 2012-08-16 | Telescopic foot pad mechanism of seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220406280 CN202908240U (en) | 2012-08-16 | 2012-08-16 | Telescopic foot pad mechanism of seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202908240U true CN202908240U (en) | 2013-05-01 |
Family
ID=48156598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220406280 Expired - Lifetime CN202908240U (en) | 2012-08-16 | 2012-08-16 | Telescopic foot pad mechanism of seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202908240U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102813391A (en) * | 2012-08-16 | 2012-12-12 | 中山凯美日用品有限公司 | Telescopic foot pad mechanism of chair |
| CN103622360A (en) * | 2013-12-17 | 2014-03-12 | 广东联邦家私集团有限公司 | Multifunctional sofa |
| CN105496080A (en) * | 2015-12-09 | 2016-04-20 | 海宁佳联沙发有限公司 | Portable, foldable and environment- friendly sofa |
| CN106927387A (en) * | 2017-05-11 | 2017-07-07 | 苏州格劳兰净化设备有限公司 | A kind of deduster ash-collecting tube lowering or hoisting gear |
| CN108158260A (en) * | 2017-09-05 | 2018-06-15 | 安吉永艺尚品家具有限公司 | A kind of mechanical extending device and seat unit |
-
2012
- 2012-08-16 CN CN 201220406280 patent/CN202908240U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102813391A (en) * | 2012-08-16 | 2012-12-12 | 中山凯美日用品有限公司 | Telescopic foot pad mechanism of chair |
| CN103622360A (en) * | 2013-12-17 | 2014-03-12 | 广东联邦家私集团有限公司 | Multifunctional sofa |
| CN105496080A (en) * | 2015-12-09 | 2016-04-20 | 海宁佳联沙发有限公司 | Portable, foldable and environment- friendly sofa |
| CN106927387A (en) * | 2017-05-11 | 2017-07-07 | 苏州格劳兰净化设备有限公司 | A kind of deduster ash-collecting tube lowering or hoisting gear |
| CN106927387B (en) * | 2017-05-11 | 2022-05-17 | 苏州格劳兰净化设备有限公司 | Lifting device for dust collector dust collecting barrel |
| CN108158260A (en) * | 2017-09-05 | 2018-06-15 | 安吉永艺尚品家具有限公司 | A kind of mechanical extending device and seat unit |
| CN108158260B (en) * | 2017-09-05 | 2024-04-12 | 安吉永艺尚品家具有限公司 | Mechanical stretching device and seat unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130501 |