CN105559396B - A kind of Disassembling sofa leg automatic recycling device - Google Patents
A kind of Disassembling sofa leg automatic recycling device Download PDFInfo
- Publication number
- CN105559396B CN105559396B CN201610071982.2A CN201610071982A CN105559396B CN 105559396 B CN105559396 B CN 105559396B CN 201610071982 A CN201610071982 A CN 201610071982A CN 105559396 B CN105559396 B CN 105559396B
- Authority
- CN
- China
- Prior art keywords
- drag
- line
- spring
- line switch
- rotating member
- 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.)
- Active
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/034—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest
- A47C1/035—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably coupled seat and back-rest, i.e. the seat and back-rest being movably coupled in such a way that the extension mechanism of the foot-rest is actuated at least by the relative movements of seat and backrest
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/50—Supports for the feet or the legs coupled to fixed parts of the chair
Abstract
The present invention relates to a kind of Disassembling sofa leg automatic recycling device,Including mechanical extending device,Switching device,Switching device is switched by enlarged drag-line,Drawstring,Cable support,Automatically power shaft rotating member is returned,Rotate square tube and spring composition,Mechanical extending device both sides are equipped with returns power shaft rotating member and spring automatically,Rotate square tube and be rotatablely connected with sitting frame installing plate,Automatically power shaft rotating member is returned to be fixed in rotation square tube,Spring is connected with sitting frame installing plate and returning power shaft rotating member automatically respectively,Enlarged drag-line is switched by drag-line switch housing,Drag-line switchs tongue,Drag-line switching center axis and drag-line switch torsional spring composition,Drag-line switch tongue passes through drag-line switching center axis,Drag-line switch torsional spring is rotatably installed on drag-line switch housing,Drawstring switchs tongue with drag-line respectively,Cable support connects,Cable support is rotatablely connected by cable support torsional spring with sitting frame installing plate.Present invention decreases leg to recycle required power, has taken precautions against leg and has automatically opened up risk.
Description
Technical field
Can be certainly in certain angle the present invention relates to a kind of Disassembling sofa leg automatic recycling device, particularly a kind of leg rest
It is dynamic to collapse, the multifunctional movable sofa leg automatic recycling device that backrest angle can be adjusted necessarily.
Background technology
Current existing active sofa mechanical stretching device (manual) has three great insufficient places：1st, drag-line switch is dynamic
The arm of force is shorter, opens laborious；Required power is larger when 2 Disassembling sofa legs finally close, it is difficult to shuts, old man and child are made
It is poor with experiencing；3rd, easily automatically opened up when sofa is impacted, carrying and be easy to causeing danger in logistics progress.
The content of the invention
The technical problems to be solved by the invention are the above-mentioned deficiencies overcome in the presence of the prior art, and provide a kind of knot
Structure is succinct, safe and reliable and realize the active sofa mechanical stretching device that leg is recycled automatically.
Technical solution is used by the present invention solves above-mentioned technical problem：Automatically dress is recycled in a kind of Disassembling sofa leg
Put, including mechanical extending device, switching device, mechanical extending device have identical left-hand side part, right side members, left-hand side part
It is fixedly connected with right side members by fixed component, it is characterized in that the switching device is by enlarged drag-line switch, drawstring, drag-line
Stent, return power shaft rotating member, rotate square tube and spring composition, the left-hand side part of the mechanical extending device, right side automatically
Part is both provided with returns power shaft rotating member and spring automatically, rotates square tube and is rotatablely connected with sitting frame installing plate, returns power shaft automatically
Rotating member, which is fixed on, to be rotated in square tube, and spring one end, which is installed on, to be sat on frame installing plate, and the spring other end is installed on automatic Hui Lizhuan
On axis rotating member, enlarged drag-line switch is turned round by drag-line switch housing, drag-line switch tongue, drag-line switching center axis and drag-line switch
Spring forms, and drag-line switch tongue is rotatably installed on drag-line switch housing by drag-line switching center axis, and drag-line switch housing is fixed
Drag-line switch torsional spring is set with sofa wooden frame, on drag-line switching center axis, drag-line switch tongue is equipped with drawstring hole, drawstring hole and
Drawstring one end connects, and the drawstring other end is installed on cable support, and cable support is by cable support torsional spring with sitting frame installing plate
Rotation connection.
Drag-line switch tongue rotational angle of the present invention is 130 °~150 °, and power arm lengths are 150mm~180mm, resistance
Torque arm length is 24mm~28mm.As a preferred embodiment, drag-line switch tongue rotational angle is 140 °, power arm lengths are 160mm,
Resistance arm lengths are 26mm.Enlarged drag-line switch can reduce the power used in device for opening, be easy to old man and child uses, switch
It can completely be embedded in sofa wooden frame, avoid exposing, brief and practical.
Rotation square tube of the present invention is rotatablely connected by first rotating shaft with sitting frame installing plate, when first rotating shaft is in spring institute
When on straight line, mechanical extending device of the present invention is in the automatic critical point recycled with opening, when first rotating shaft is below spring
When, spring force causes leg stress to withdraw, and when first rotating shaft is above spring, spring force causes leg stress to open.Leg
It is subject to the power of very little just to collapse automatically.Conversely, in the case where being switched without using enlarged drag-line, leg will be subject to very big
Power could be opened, and effectively prevent brandreth and be subject to hit the unsafe condition that can be automatically opened up.Solves the gathering of Disassembling sofa leg
The problem of laborious, realize the function that leg leg under the conditions of certain angle is recycled automatically, optimize usage experience.
Automatically the power shaft rotating member of the present invention that returns is equipped with confined planes, confined planes with it is spacing on mechanical extending device
Bushing coordinates.
The invention avoids Disassembling sofa, when running into impact, the unsafe condition automatically opened up, effective guarantee occurs in leg
The safe condition of user.
Brief description of the drawings
Fig. 1 is left-hand side part of the embodiment of the present invention or front schematic view when right side members leg is collapsed completely.
Fig. 2 is the critical point front schematic view that the embodiment of the present invention is recycled and opened automatically.
Fig. 3 is left-hand side part of the embodiment of the present invention or front schematic view when right side members leg is fully deployed.
Fig. 4 is the structure diagram of enlarged of embodiment of the present invention drag-line switch.
Fig. 5 is the schematic diagram of the common drag-line switch of the prior art.
Fig. 6 is the structure diagram of drawstring of the embodiment of the present invention.
In figure：1- enlarged drag-line switchs；2- drawstrings；3- the first drag-line mounting holes；The first spring mounting holes of 4-；
5- returns power shaft rotating member automatically；6- second spring mounting holes；7- first rotating shafts；8- cable supports；9- rotates square tube；
10- the second drag-line mounting holes；11- springs；12- sits frame installing plate；The second shafts of 13-；14- drag-line switch housings；15-
Drag-line switchs tongue；16- drag-line switching center axis；17- drag-lines switch torsional spring；18- limiting bushs；19- confined planes；20- drag-line branch
Frame torsional spring；21- round metal column caps；22- plastic buckles；23- metal buckles.
Embodiment
Below in conjunction with the accompanying drawings and the invention will be further described by embodiment.
Disassembling sofa of embodiment of the present invention leg automatic recycling device mechanical extending device is filled by mechanical extending device, switch
Composition is put, the mechanical extending device is the prior art, and mechanical extending device has identical left-hand side part, right side members, left
Sidepiece part is fixedly connected with right side members by fixed component.As a kind of special case, the left-hand side part of the mechanical extending device,
Right side members are both provided with returns power shaft rotating member 5 and spring 11 automatically, rotates square tube 9 and is installed by first rotating shaft 7 with sitting frame
Plate 12 is rotatablely connected, and is returned power shaft rotating member 5 automatically and is fixed in rotation square tube 9,11 one end of spring is installed by the first spring
Hole 4, which is installed on, to be sat on frame installing plate 12, and the other end is installed on by second spring mounting hole 6 and returned automatically on power shaft rotating member 5.
Enlarged drag-line switch 1 is opened by drag-line switch housing 14, drag-line switch tongue 15, drag-line switching center axis 16 and drag-line
Close torsional spring 17 to form, the drag-line switch tongue 15 of enlarged drag-line switch 1 is equipped with drawstring hole 151, and 2 one end of drawstring passes through round metal
Column cap 21 is stuck in drawstring hole 151, and the metal buckle 23 of 2 other end of drawstring is installed on drag-line branch by the first drag-line mounting hole 3
On frame 8, the plastic buckle 22 on drawstring 2 is fixed on by the second drag-line mounting hole 10 to be sat on frame installing plate 12.Cable support 8 with
Sit frame installing plate 12 to be rotatedly connected by the second shaft 13, form the switching device of mechanical extending device.Enlarged drag-line switch 1
The monnolithic case drag-line switch more common than on the market is big, and drag-line switch 15 rotational angle α of tongue is more than regular tap rotational angle β
（See Fig. 4, Fig. 5）, and resistance arm（The distance between 16 center line of drag-line switching center axis and 151 center line of drawstring hole）D is longer,
The stroke of switch is added, enables to cross brandreth flex point opening brandreth leg easily；Enlarged drag-line switch 1 increases drawing
Power arm lengths L, L and the D ratio of Suo Kaiguan tongues 15 are more than common drag-line switch ratio, and the power of user's smaller can just be opened
Leg.
User stirs 1 stretching drawstring 2 of enlarged drag-line switch, and the cable support 8 being connected with stretching 2 is around the second shaft 13
Rotate, to the automatic power F for returning power shaft rotating member 5 and producing a direction as shown in Figure 1, return 5 stress of power shaft rotating member automatically
Rotate around first rotating shaft 7, opened so as to fulfill the leg of mechanical extending device.After unclamping drag-line switch tongue 15, switch in drag-line
Resetted under the action of switch torsional spring 17, cable support 8 also resets under the action of cable support torsional spring 20 returns to initial position.
When first rotating shaft 7 is located at on 11 same straight line of spring, the embodiment of the present invention is in what is recycled and open automatically
Critical point（As shown in Figure 2）, when first rotating shaft 7 is below spring 11, spring 11 forces mechanical extending device to produce automatic return
The power of leg is received, by the motion mode of Fig. 2 to Fig. 1, when moving to limiting bush 18 and the limit on automatic time power shaft rotating member 5
Move and stop when plane 19 is in contact, is i.e. the automatic recycling of leg, when first rotating shaft 7 is above spring 11, spring 11 forces
Mechanical extending device produces the power that leg is opened, by the complete opening of the motion mode of Fig. 2 to Fig. 3, i.e. leg.
Every simple deformation of the invention or equivalent transformation, it is considered that fall into protection scope of the present invention.
Claims (4)
1. a kind of Disassembling sofa leg automatic recycling device, including mechanical extending device, switching device, mechanical extending device have
Identical left-hand side part, right side members, left-hand side part is fixedly connected with right side members by fixed component, it is characterized in that described open
Close device to be made of enlarged drag-line switch, drawstring, cable support, automatic power shaft rotating member, rotation square tube and the spring of returning, institute
State the left-hand side part of mechanical extending device, right side members be both provided with automatically return power shaft rotating member and spring, rotate square tube with
The rotation connection of frame installing plate is sat, power shaft rotating member is returned automatically and is fixed in rotation square tube, spring one end, which is installed on, sits frame installation
On plate, the spring other end is installed on to return on power shaft rotating member automatically, and enlarged drag-line switch is opened by drag-line switch housing, drag-line
Tongue, drag-line switching center axis and drag-line switch torsional spring composition, drag-line switch tongue is closed to be rotatably installed in by drag-line switching center axis
On drag-line switch housing, drag-line switch housing is fixed in sofa wooden frame, and drag-line switch torsional spring is set with drag-line switching center axis,
Drag-line switch tongue is equipped with drawstring hole, and drawstring hole is connected with drawstring one end, and the drawstring other end is installed on cable support, drag-line branch
Frame is rotatablely connected by cable support torsional spring with sitting frame installing plate, and the rotation square tube is turned by first rotating shaft with sitting frame installing plate
Dynamic connection, when first rotating shaft spring institute on straight line when, the mechanical extending device is in the critical of automatic recycling and opening
Point, when first rotating shaft is below spring, spring force causes mechanical extending device stress to withdraw, when first rotating shaft is above spring
When, spring force causes mechanical extending device stress to open.
2. Disassembling sofa leg according to claim 1 automatic recycling device, it is characterized in that：The drag-line switch tongue rotates
Angle is 130 °~150 °, and power arm lengths are 150mm~180mm, and resistance arm lengths are 24mm~28mm.
3. Disassembling sofa leg according to claim 2 automatic recycling device, it is characterized in that：Drag-line switchs tongue rotational angle
For 140 °, power arm lengths are 160mm, and resistance arm lengths are 26mm.
4. Disassembling sofa leg according to claim 1 or 2 automatic recycling device, it is characterized in that：The automatic Hui Lizhuan
Axis rotating member is equipped with confined planes, and confined planes coordinate with the limiting bush on mechanical extending device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610071982.2A CN105559396B (en) | 2016-02-02 | 2016-02-02 | A kind of Disassembling sofa leg automatic recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610071982.2A CN105559396B (en) | 2016-02-02 | 2016-02-02 | A kind of Disassembling sofa leg automatic recycling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105559396A CN105559396A (en) | 2016-05-11 |
| CN105559396B true CN105559396B (en) | 2018-05-08 |
Family
ID=55870500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610071982.2A Active CN105559396B (en) | 2016-02-02 | 2016-02-02 | A kind of Disassembling sofa leg automatic recycling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105559396B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2168480Y (en) * | 1993-07-31 | 1994-06-15 | 张其翼 | Multifunctional sofa chair |
| CN201571760U (en) * | 2009-11-19 | 2010-09-08 | 嘉兴宏森家具配件有限公司 | Multifunctional mechanical extending device of movable sofa |
| CN102657449A (en) * | 2012-05-21 | 2012-09-12 | 锐迈机械科技（吴江）有限公司 | Mechanical extension device of movable sofa |
| CN203016366U (en) * | 2012-12-07 | 2013-06-26 | 锐迈机械科技（吴江）有限公司 | Mechanical stretching device of movable sofa |
| CN104188400A (en) * | 2014-09-03 | 2014-12-10 | 黄小卫 | Automatic retraction and mechanical extension device for movable sofa legs |
| CN205548038U (en) * | 2016-02-02 | 2016-09-07 | 锐迈机械科技（吴江）有限公司 | Automatic recovery unit of activity sofa shank |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8070219B2 (en) * | 2008-10-23 | 2011-12-06 | L&P Property Management Company | Chair leg rest assembly |
| US8366188B2 (en) * | 2010-04-13 | 2013-02-05 | La-Z-Boy Incorporated | Release system for furniture member leg rest assemblies |
-
2016
- 2016-02-02 CN CN201610071982.2A patent/CN105559396B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2168480Y (en) * | 1993-07-31 | 1994-06-15 | 张其翼 | Multifunctional sofa chair |
| CN201571760U (en) * | 2009-11-19 | 2010-09-08 | 嘉兴宏森家具配件有限公司 | Multifunctional mechanical extending device of movable sofa |
| CN102657449A (en) * | 2012-05-21 | 2012-09-12 | 锐迈机械科技（吴江）有限公司 | Mechanical extension device of movable sofa |
| CN203016366U (en) * | 2012-12-07 | 2013-06-26 | 锐迈机械科技（吴江）有限公司 | Mechanical stretching device of movable sofa |
| CN104188400A (en) * | 2014-09-03 | 2014-12-10 | 黄小卫 | Automatic retraction and mechanical extension device for movable sofa legs |
| CN205548038U (en) * | 2016-02-02 | 2016-09-07 | 锐迈机械科技（吴江）有限公司 | Automatic recovery unit of activity sofa shank |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105559396A (en) | 2016-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203844875U (en) | Stopping kickstand used for self-balancing vehicle | |
| US20150266530A1 (en) | Swing scooter | |
| CN105559396B (en) | A kind of Disassembling sofa leg automatic recycling device | |
| CN106837155B (en) | A kind of extension ladder | |
| CA2906239A1 (en) | Folding bed | |
| CN104188400B (en) | Automatic retraction and mechanical extension device for movable sofa legs | |
| CN206381525U (en) | Horizontal bar on a kind of door | |
| CN205548038U (en) | Automatic recovery unit of activity sofa shank | |
| CN208211658U (en) | Hand-push type rotating umbrella | |
| CN203663346U (en) | Foldable lock used for treadmill | |
| TW201028187A (en) | Foldable treadill | |
| CN203361047U (en) | Foldable brake lever | |
| CN204650079U (en) | Brand-new multi-directionally is opened and 360 ° of slingshot glasses rotated | |
| CN204189736U (en) | Breaker energy storage device | |
| US20100201096A1 (en) | Skate car | |
| CN203647987U (en) | Fixed climbers capable of steering | |
| CN105128914A (en) | Light baby stroller | |
| CN202732585U (en) | Locking structure for center connecting rod of foldable bed bottom frame | |
| JP2010006252A (en) | Stand device for motorcycle | |
| CN205041636U (en) | Automatic electronic round folding wheel -chair | |
| CN204978982U (en) | Locking device of children bike seatpad | |
| CN203558113U (en) | Quick-folding buggy frame | |
| CN206485469U (en) | A kind of balance car | |
| CN212041724U (en) | Handle folding structure suitable for cleaning equipment | |
| CN203528706U (en) | Steering mechanism of scooter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 215217 west side of Tongjin Avenue, Wujiang Economic and Technological Development Zone, Suzhou, Jiangsu Patentee after: Ruimai Technology Co.,Ltd. Address before: No. 5555, Tongjin Avenue, Wujiang Economic Development Zone, Suzhou, Jiangsu 215200 Patentee before: REMACRO MACHINERY & TECHNOLOGY (WUJIANG) Co.,Ltd. |
|
| CP03 | Change of name, title or address |