CN204181277U - A kind of active sofa mechanical stretching device - Google Patents
A kind of active sofa mechanical stretching device Download PDFInfo
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- CN204181277U CN204181277U CN201420653832.9U CN201420653832U CN204181277U CN 204181277 U CN204181277 U CN 204181277U CN 201420653832 U CN201420653832 U CN 201420653832U CN 204181277 U CN204181277 U CN 204181277U
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- drive link
- rotationally connected
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- connecting rod
- angle bar
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Abstract
The utility model discloses a kind of active sofa mechanical stretching device, belong to sofa extending apparatus field, solve active sofa mechanical stretching device poor synchronization in prior art, manufacture difficulty is large, maintenance cost is high problem, provide a kind of active sofa mechanical stretching device adopting linkage.The utility model adopts link design, and with rivet interlacement between parts, synchronism is good, and there will not be the problem that left and right is uneven, device is shaken during mechanical stretching, stationarity is good; Simple structure, it is convenient to assemble; Without the need to safeguarding frequently, and maintenance cost is low.
Description
Technical field
The utility model relates to sofa extending apparatus, specifically, particularly relates to a kind of active sofa mechanical stretching device.
Background technology
Current existing active sofa mechanical stretching device adopts roller track structure, the active sofa mechanical stretching device of roller track structure is adopted to provide the mechanism of motion cheap than dependence linkage in a way, but adopt the sofa extending apparatus of roller track structure to have the place of some shortcomings: the phenomenon having shake during mechanical stretching, left and right mechanical extending device poor synchronization, have impact on the comfortableness of Electric sofa; The manufacturing requires the tolerance tighter than bar linkage structure; Use middle needs to safeguard more frequently, required expense is higher than linkage.
Summary of the invention
The utility model discloses a kind of active sofa mechanical stretching device, solve active sofa mechanical stretching device poor synchronization in prior art, manufacture difficulty is large, maintenance cost is high problem, provide a kind of active sofa mechanical stretching device adopting linkage.
The utility model is achieved through the following technical solutions:
A kind of active sofa mechanical stretching device, comprise electric device and mechanical extending device, described mechanical extending device is by servo-actuated chain 1, first connecting rod 2, anterior fork 3, U-shaped angle bar 4, pedal fork 5, second connecting rod 6, brace fourth 7, pivot a8, bottom is in transmission connection first 9, bottom is in transmission connection second 10, pivot b11, support 12, crank 13, third connecting rod 14, back drive link 15, double leval jib 16, plate button A17, first drive link 18, L-type angle bar first 19, connector 20, hinge 21, brace first 22, second drive link 23, plate button B24, brace second 25, 3rd drive link 26, 4th drive link 27, rear drive square tube 28, brace the third 29, front wheel driving square tube 30, bonding pad 31, L-type angle bar second 32, bending tube 33 forms, and bonding pad 31 and front wheel driving square tube 30 are rotationally connected, and front wheel driving square tube 30 and L-type angle bar second 32 are bolted, and L-type angle bar second 32 and pedal fork 5 are rotationally connected, pedal fork 5 and support 12, hinge b11, anterior fork 3 is rotationally connected, and bottom is in transmission connection first 9, bottom is in transmission connection second 10, crank 13, third connecting rod 14 and support 12 are rotationally connected, and back drive link 15 is rotationally connected with third connecting rod 14 and pivot a8, U-shaped angle bar 4 and first connecting rod 2, anterior fork 3 is rotationally connected, second connecting rod 6 and first connecting rod 2, anterior fork 3 and support 12 are rotationally connected, and first connecting rod 2 is rotationally connected with servo-actuated chain 1 and double leval jib 16, brace fourth (7), L-type angle bar first 19, hinge 21, brace second 25, 3rd drive link 26 is rotationally connected with connector 20,4th drive link 27 and the first drive link 18 and the 3rd drive link 26 are rotationally connected, second drive link 23 is rotationally connected with hinge 21 and brace second 25, brace first 22 and the first drive link 18 and hinge 21 are in transmission connection, and rear drive square tube 28 is fixed on brace fourth 7 by brace the third 29 and L-type angle bar first 19 is rotationally connected.
The motor afterbody bolt of described electric machine is connected on brace in rear drive square tube 28 the third 29.
Described first drive link 18 side is provided with bending tube 33.
Described 4th drive link 27 is provided with first spacing 34 and second spacing 35.
Described being rotationally connected refers to and passes through rivet interlacement.
Compared with prior art, the beneficial effects of the utility model are:
The utility model adopts link design, and with rivet interlacement between parts, synchronism is good, and there will not be the problem that left and right is uneven, device is shaken during mechanical stretching, stationarity is good; Simple structure, it is convenient to assemble; Without the need to safeguarding frequently, and maintenance cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present utility model when drawing in completely.
Fig. 2 is the structural representation of embodiment left-hand side part of the present utility model when launching completely.
Fig. 3 is the structural representation of embodiment right side members of the present utility model when launching completely.
Structural representation when Fig. 4 is embodiment of the present utility model expansion.
Fig. 5 is the rearview of embodiment of the present utility model.
In figure: 1, servo-actuated chain; 2, first connecting rod; 3, anterior fork; 4, U-shaped angle bar; 5, pedal fork; 6, second connecting rod; 7, brace fourth; 8, pivot a; 9, bottom is in transmission connection first; 10, bottom is in transmission connection second; 11, pivot b; 12, support; 13, crank; 14, third connecting rod; 15, back drive link; 16, double leval jib; 17, plate button A; 18, the first drive link; 19, L-type angle bar first; 20, connector; 21, hinge; 22, brace first; 23, the second drive link; 24, plate button B; 25, brace second; 26, the 3rd drive link; 27, the 4th drive link; 28, rear drive square tube; 29, brace third; 30, front wheel driving square tube; 31, bonding pad; 32, L-type angle bar second; 33, bending tube; 34, first is spacing; 35, second is spacing.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further illustrated:
A kind of active sofa mechanical stretching device, comprise electric device and mechanical extending device, mechanical extending device is by servo-actuated chain 1, first connecting rod 2, anterior fork 3, U-shaped angle bar 4, pedal fork 5, second connecting rod 6, brace fourth 7, pivot a8, bottom is in transmission connection first 9, bottom is in transmission connection second 10, pivot b11, support 12, crank 13, third connecting rod 14, back drive link 15, double leval jib 16, plate button A17, first drive link 18, L-type angle bar first 19, connector 20, hinge 21, brace first 22, second drive link 23, plate button B24, brace second 25, 3rd drive link 26, 4th drive link 27, rear drive square tube 28, brace the third 29, front wheel driving square tube 30, bonding pad 31, L-type angle bar second 32, bending tube 33 forms, and bonding pad 31 and front wheel driving square tube 30 are rotationally connected, and front wheel driving square tube 30 and L-type angle bar second 32 are bolted, and L-type angle bar second 32 and pedal fork 5 are rotationally connected, pedal fork 5 and support 12, hinge b11, anterior fork 3 is rotationally connected, and bottom is in transmission connection first 9, bottom is in transmission connection second 10, crank 13, third connecting rod 14 and support 12 are rotationally connected, and back drive link 15 is rotationally connected with third connecting rod 14 and pivot a8, U-shaped angle bar 4 and first connecting rod 2, anterior fork 3 is rotationally connected, second connecting rod 6 and first connecting rod 2, anterior fork 3 and support 12 are rotationally connected, and first connecting rod 2 is rotationally connected with servo-actuated chain 1 and double leval jib 16, brace fourth 7, L-type angle bar first 19, hinge 21, brace second 25, 3rd drive link 26 is rotationally connected with connector 20,4th drive link 27 and the first drive link 18 and the 3rd drive link 26 are rotationally connected, second drive link 23 is rotationally connected with hinge 21 and brace second 25, brace first 22 and the first drive link 18 and hinge 21 are rotationally connected, rear drive square tube 28 is fixed on brace fourth 7 by brace the third 29 and L-type angle bar first 19 is rotationally connected, first drive link 18 side is provided with bending tube 33, and the 4th drive link is provided with first spacing 34 and second spacing 35.The motor afterbody bolt of electric machine (not shown in FIG.) is connected on brace in rear drive square tube 28 the third 29, and in device, parts is rotationally connected to be and passes through rivet interlacement.
The process that the left-hand side part that Fig. 1 ~ Fig. 2 shows a kind of active sofa mechanical stretching device of the utility model is launched completely, user's drive motors, after electric motor starting, motor push rod promotes bonding pad 31 and rotates, the rotation of bonding pad 31 has driven the rotation of the front wheel driving square tube 30 be attached thereto, L-type angle bar second 32 and front wheel driving square tube 30 are rotationally connected, and therefore L-type angle bar second 32 is rotated and driven the pedal fork 5 be rotationally connected with it to rotate; Pedal fork 5 and support 12, hinge b11, anterior fork 3 are rotationally connected, bottom be in transmission connection second 10, crank 13, the third connecting rod 14 of first 9, bottom that be in transmission connection is rotationally connected with support 12, back drive link 15, third connecting rod 14, brace fourth 7 are rotationally connected with pivot a8, the rotation of pedal fork 5 drives the rotation of the anterior fork 3 be attached thereto, meanwhile driven brace fourth 7, pivot a8, bottom is in transmission connection first 9, bottom is in transmission connection second 10 synchronous axial system, extending apparatus launches gradually; Anterior goods of furniture for display rather than for use 3 is rotationally connected with second connecting rod 6, second connecting rod 6 and first connecting rod 2 are rotationally connected, first connecting rod 2 and double leval jib 16 are rotationally connected, the rotation of anterior goods of furniture for display rather than for use 3 drives the rotation of first connecting rod 2 and then passes to double leval jib 16, double leval jib 16 is connected with 17 and servo-actuated chain 1 and mass motion, U-shaped angle bar 4 is rotationally connected with first connecting rod 2 and anterior goods of furniture for display rather than for use 3, be synchronized with the movement with first connecting rod 2 and anterior goods of furniture for display rather than for use 3 and last till that servo-actuated chain 1 turns to horizontal level, thus achieving the expansion completely of embodiment left-hand side part.
The process that the right side members that Fig. 2 ~ Fig. 3 shows a kind of active sofa mechanical stretching device of the utility model is launched completely, brace fourth 7, L-type angle bar first 19, hinge 21, brace second 25, 3rd drive link 26 is rotationally connected with connector 20, 4th drive link 27 and the first drive link 18 and the 3rd drive link 26 are rotationally connected, second drive link 23 is rotationally connected with hinge 21 and brace second 25, brace first 22 and the first drive link 18 and hinge 21 are rotationally connected, rear drive square tube 28 is fixed on brace fourth 7 by brace the third 29 and L-type angle bar first 19 is rotationally connected, first drive link 18 side is provided with bending tube 33, after motor is opened, first drive link 18 continues to translation on the left of device, and drive the bottom be rotationally connected with it to be in transmission connection first 9 simultaneously, bottom is in transmission connection second 10, hinge 21, brace first 22, the synchronized parallel movement of bending tube 33, connector 20 maintains static, 3rd drive link 26 is to translation on the right side of device, thus drive the rotation of the 4th drive link 27, brace fourth 7 and L-type angle bar first 19 are launched to translation on the right side of device, so far, achieve the expansion completely of embodiment right side members.
The present embodiment the 4th drive link 27 is provided with first spacing 34 and second spacing 35, when the 4th drive link 27 clockwise or counterclockwise movement to when first spacing 34 or second spacing 35 and stop motion, sofa completes motion.When active sofa mechanical stretching device state to Fig. 3 from Fig. 1 to Fig. 2, then to the state of Fig. 1 from Fig. 3 to Fig. 2, just achieve once complete electronic stretching, extension and the gathering process of active sofa mechanical stretching device.
Adopt between the present embodiment parts and be rotationally connected, when solving active sofa mechanical stretching device mechanical stretching like this, have the phenomenon of shake; Adopt rivet interlacement, easy to assembly, in using without the need to frequently safeguard and maintenance cost is low.
In sum, be only preferred embodiment of the present utility model, not be used for limit the utility model implement scope, all equalizations of doing according to shape, structure, feature and the spirit described in the utility model right change and modify, and all should be included in right of the present utility model.
Claims (5)
1. an active sofa mechanical stretching device, comprises electric device and mechanical extending device, it is characterized in that: described mechanical extending device is by servo-actuated chain (1), first connecting rod (2), anterior fork (3), U-shaped angle bar (4), pedal fork (5), second connecting rod (6), brace fourth (7), pivot a (8), bottom is in transmission connection first (9), bottom is in transmission connection second (10), pivot b (11), support (12), crank (13), third connecting rod (14), back drive link (15), double leval jib (16), plate button A (17), first drive link (18), L-type angle bar first (19), connector (20), hinge (21), brace first (22), second drive link (23), plate button B (24), brace second (25), 3rd drive link (26), 4th drive link (27), rear drive square tube (28), brace third (29), front wheel driving square tube (30), bonding pad (31), L-type angle bar second (32), bending tube (33) forms, bonding pad (31) and front wheel driving square tube (30) are rotationally connected, front wheel driving square tube (30) and L-type angle bar second (32) are bolted, L-type angle bar second (32) and pedal fork (5) are rotationally connected, pedal fork (5) and support (12), hinge b (11), anterior fork (3) is rotationally connected, and bottom is in transmission connection first (9), bottom is in transmission connection second (10), crank (13), third connecting rod (14) and support (12) are rotationally connected, back drive link (15) is rotationally connected with third connecting rod (14) and pivot a (8), U-shaped angle bar (4) and first connecting rod (2), anterior fork (3) is rotationally connected, second connecting rod (6) and first connecting rod (2), anterior fork (3) and support (12) are rotationally connected, and first connecting rod (2) is rotationally connected with servo-actuated chain (1) and double leval jib (16), brace fourth (7), L-type angle bar first (19), hinge (21), brace second (25), 3rd drive link (26) and connector (20) are rotationally connected, 4th drive link (27) is rotationally connected with the first drive link (18) and the 3rd drive link (26), second drive link (23) is rotationally connected with hinge (21) and brace second (25), brace first (22) is in transmission connection with the first drive link (18) and hinge (21), and rear drive square tube (28) is fixed on brace fourth (7) by brace third (29) and L-type angle bar first (19) is rotationally connected.
2. according to claim with described a kind of active sofa mechanical stretching device, it is characterized in that: the motor afterbody bolt of described electric machine is connected on the brace third (29) in rear drive square tube (28).
3. according to claim with described a kind of active sofa mechanical stretching device, it is characterized in that: described first drive link (18) side is provided with bending tube (33).
4. according to claim with described a kind of active sofa mechanical stretching device, it is characterized in that: described 4th drive link (27) is provided with first spacing (34) and second spacing (35).
5. according to claim with described a kind of active sofa mechanical stretching device, it is characterized in that: described in be rotationally connected and refer to and pass through rivet interlacement.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420653832.9U CN204181277U (en) | 2014-11-04 | 2014-11-04 | A kind of active sofa mechanical stretching device |
| PCT/CN2015/072283 WO2016070504A1 (en) | 2014-11-04 | 2015-02-05 | Extendable sofa extension system and extendable sofa |
| US15/524,068 US20170311729A1 (en) | 2014-11-04 | 2015-02-05 | Deployment system for deployable sofa, and deployable sofa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420653832.9U CN204181277U (en) | 2014-11-04 | 2014-11-04 | A kind of active sofa mechanical stretching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204181277U true CN204181277U (en) | 2015-03-04 |
Family
ID=52613319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420653832.9U Active CN204181277U (en) | 2014-11-04 | 2014-11-04 | A kind of active sofa mechanical stretching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204181277U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104720419A (en) * | 2014-11-04 | 2015-06-24 | 泰州市奥德家具配件有限公司 | Mechanical stretching device for movable sofa |
| CN105725576A (en) * | 2016-04-29 | 2016-07-06 | 东莞市捷科五金有限公司 | Structure improved sofa underframe |
| CN105795775A (en) * | 2016-04-29 | 2016-07-27 | 东莞市捷科五金有限公司 | Structurally improved sofa chair frame |
| CN110509005A (en) * | 2019-08-23 | 2019-11-29 | 嘉兴市川扬智能家居制造有限公司 | The production technology of extending apparatus |
-
2014
- 2014-11-04 CN CN201420653832.9U patent/CN204181277U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104720419A (en) * | 2014-11-04 | 2015-06-24 | 泰州市奥德家具配件有限公司 | Mechanical stretching device for movable sofa |
| CN105725576A (en) * | 2016-04-29 | 2016-07-06 | 东莞市捷科五金有限公司 | Structure improved sofa underframe |
| CN105795775A (en) * | 2016-04-29 | 2016-07-27 | 东莞市捷科五金有限公司 | Structurally improved sofa chair frame |
| CN110509005A (en) * | 2019-08-23 | 2019-11-29 | 嘉兴市川扬智能家居制造有限公司 | The production technology of extending apparatus |
| CN110509005B (en) * | 2019-08-23 | 2021-05-28 | 嘉兴市川扬智能家居制造有限公司 | Production process of stretching device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |