CN103263169A - Soft extendable frame - Google Patents
Soft extendable frame Download PDFInfo
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- CN103263169A CN103263169A CN 201310232657 CN201310232657A CN103263169A CN 103263169 A CN103263169 A CN 103263169A CN 201310232657 CN201310232657 CN 201310232657 CN 201310232657 A CN201310232657 A CN 201310232657A CN 103263169 A CN103263169 A CN 103263169A
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- connecting rod
- trailing arm
- hinged
- bending part
- unit
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Abstract
The invention provides a soft extendable frame. The soft extendable frame comprises a main framework unit, a pedal retractable unit, a backrest angle change unit and a power unit, wherein the main framework unit comprises front and rear transverse beams and a retractable unit which is symmetrical left and right; the pedal retractable unit is located at the front end of the main framework unit and the backrest angle change unit is located at the rear end of the main framework unit; the power unit comprises a motor and a push-pull rod; and the push-pull rod pushes and pulls the front transverse beam. The soft extendable frame disclosed by the invention has the beneficial effect that the structural design is reasonable and a human body feels comfortable.
Description
Technical field
The invention belongs to the furniture technical field, especially relate to a kind of sofa stretching frame.
Background technology
The stretching frame of sofa is used for making certain position of sofa to stretch to reach increasing functional or more comfortable purpose when the people is used.The structure of sofa stretching frame is varied, and one of problem that wherein should be noted that is to make its mechanical strength more stable, and human body sensory is more comfortable when flexible.
Summary of the invention
The problem to be solved in the present invention provides a kind of sofa stretching frame.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of sofa stretching frame, comprise the main frame unit, the step telescopic unit, backrest angle change unit and power unit, before described main frame unit comprises, rear cross beam and symmetrical Collapsible structure, described step telescopic unit is positioned at described main frame unit front end, described backrest angle change unit is positioned at rear end, described main frame unit, described power unit comprises motor and pull bar, described motor is fixed on the described rear cross beam, fixedly there are two on the described front beam perpendicular to the plate of described front beam, have corresponding hole respectively on two described plates; The front end of described pull bar has a perforation, described pull bar by one pass simultaneously two on the described plate the hole and described perforation the axle be connected on the described front beam the described front beam of described pull bar push-and-pull;
A wherein side of described Collapsible structure comprises the outside, middle and inboard three trailing arms, the described outside and described middle trailing arm all have a bending part, the front end of described outside trailing arm has the end first connecting rod hinged with it, the other end of described first connecting rod has the middle part second connecting rod hinged with it, one end of described second connecting rod has that an end is hinged with it, the hinged third connecting rod of bending part on the other end and the described outside trailing arm, the other end of described second connecting rod and described in the middle of the front end of trailing arm hinged;
The side that trailing arm is positioned at its bending part the place ahead in the middle of described has the 4th connecting rod that an end is hinged with it, the other end is hinged with described inboard trailing arm side, the 5th connecting rod that the rear that described centre trailing arm is positioned at its bending part has an end and described centre trailing arm is hinged, the other end and described inboard trailing arm are positioned at described inboard trailing arm and the place ahead, described the 4th rod hinge connection position is hinged;
Described outside trailing arm has the support chip of the described main frame of support unit by the side of its rear end, described support chip is fixedlyed connected with described rear cross beam, the 6th connecting rod that the trailing arm rear end has that an end is hinged with it, the other end and described inboard trailing arm side are hinged in the middle of described;
Described step telescopic unit comprises seven-link assembly and the 8th connecting rod that an end and described inboard trailing arm front end are hinged, one end of described the 8th connecting rod and an end of described the 5th connecting rod are articulated on the same position of described inboard trailing arm jointly, the other end of described seven-link assembly has an end nine connecting rod hinged with it, described the 9th connecting rod has first bending part and second bending part, the wrap direction of described first bending part and described second bending part is opposite, the wrap direction of described second bending part is towards described main frame unit, and the other end of described the 9th connecting rod has first step supporting board hinged with it; The other end of described the 8th connecting rod has an end ten connecting rod hinged with it, described the tenth connecting rod is two fork arms with a bending part, the other end of described the tenth connecting rod and described first step supporting board are hinged, described step telescopic unit also comprises second step supporting board with a y-bend supporting structure, and two bifurcateds of described y-bend supporting structure are articulated in respectively on the bending part of second bending part of described the 9th connecting rod and described the tenth connecting rod;
Described backrest angle change unit comprises the 11 connecting rod of trailing arm rear end, the hinged and described outside of an end, the other end of described the 11 connecting rod has head and the tail hinged the 12, the 13, the 14 and the 15 connecting rod successively, one end of described the 15 connecting rod is fixed in the side of described inboard trailing arm, be hinged with the back rest supports plate on described the 14 connecting rod, the described the second, the 5th, the 7th, the 9th, the 11, the 12 all has the bending structure that it can be smoothly be connected with corresponding attaching parts separately with the shaft position of the 15 connecting rod.
Have projection respectively on described the 5th connecting rod and the described outside trailing arm, be connected with spring between two described projectioies.
Described the tenth connecting rod leans on into, and the described first step supporting board place has stop screw.
Fixedly be useful on the intermediate transverse girder of strengthening structure in the middle of the corresponding left and right sides is described between the trailing arm.
Have slideway on the trailing arm of the described outside, have the roller that is complementary with described slideway on the described middle trailing arm.
Advantage and good effect that the present invention has are: owing to adopt technique scheme, structural design is more reasonable, has improved the frame for movement of its framework, and the action when doing stretching between each connecting rod is more smoothly smooth and easy.
Description of drawings
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is complete contraction state left view;
Fig. 3 is full extension state left view.
Among the figure:
1, first connecting rod 2, second connecting rod 3, third connecting rod
4, the 4th connecting rod 5, the 5th connecting rod 6, the 6th connecting rod
7, seven-link assembly 8, the 8th connecting rod 9, the 9th connecting rod
10, the tenth connecting rod 11, the 11 connecting rod 12, the 12 connecting rod
13, the 13 connecting rod 14, the 14 connecting rod 15, the 15 connecting rod
16, outside trailing arm 17, inboard trailing arm 18, slideway
19, spring 20, pull bar 21, first step are supported
Plate
22, second step supporting board 23, back rest supports plate 24, front beam
25, intermediate transverse girder 26, rear cross beam 27, support chip
28, middle trailing arm
The specific embodiment
As shown in Figure 1, the invention provides a kind of sofa stretching frame, comprise main frame unit, step telescopic unit, backrest angle change unit and power unit, the main frame unit comprises front beam 24, rear cross beam 26 and symmetrical Collapsible structure, the step telescopic unit is positioned at main frame unit front end, the backrest angle change unit is positioned at rear end, main frame unit, power unit comprises motor and pull bar 20, motor is fixed on the rear cross beam 26, fixedly there are two on the front beam 24 perpendicular to the plate of front beam 24, have corresponding hole respectively on two plates; The front end of pull bar 20 has a perforation, pull bar by one pass simultaneously two on the plate the hole and perforation the axle be connected on the front beam 24 pull bar 20 push-and-pull front beams 24;
A wherein side of Collapsible structure comprises outside trailing arm 16, middle trailing arm 28 and inboard trailing arm 17, outside trailing arm 16 and middle trailing arm 28 all have a bending part, the front end of outside trailing arm 16 has the end first connecting rod hinged with it 1, the other end of first connecting rod 1 has the middle part second connecting rod hinged with it 2, one end of second connecting rod 2 has that an end is hinged with it, the hinged third connecting rod 3 of bending part on the other end and the outside trailing arm 16, and the front end of the other end of second connecting rod 2 and middle trailing arm 28 is hinged;
The 5th connecting rod 5 that the 4th connecting rod 4 that the side that middle trailing arm 28 is positioned at its bending part the place ahead has that an end is hinged with it, the other end and inboard trailing arm 17 sides are hinged, the rear that middle trailing arm 28 is positioned at its bending part have that an end and middle trailing arm are 28 hinged, the other end and inboard trailing arm 16 are positioned at inboard trailing arm 16 and the 4th connecting rod 4 articulated position the place aheads are hinged;
Outside trailing arm 16 has a support chip 27 that supports the main frame unit by the side of its rear end, and support chip 27 is fixedlyed connected with rear cross beam 26, the 6th connecting rod 6 that middle trailing arm 28 rear ends have that an end is hinged with it, the other end and inboard trailing arm 17 sides are hinged;
The step telescopic unit comprises seven-link assembly 7 and the 8th connecting rod 8 that an end and inboard trailing arm 17 front ends are hinged, one end of one end of the 8th connecting rod 8 and the 5th connecting rod 5 is articulated on the same position of inboard trailing arm 17 jointly, the other end of seven-link assembly 7 has an end nine connecting rod 9 hinged with it, the 9th connecting rod 9 has first bending part and second bending part, the wrap direction of first bending part and second bending part is opposite, the wrap direction of second bending part is towards the main frame unit, and the other end of the 9th connecting rod 9 has first step supporting board 21 hinged with it; The other end of the 8th connecting rod 8 has an end ten connecting rod 10 hinged with it, the tenth connecting rod 10 is for having two fork arms of a bending part, the other end of the tenth connecting rod 10 and first step supporting board 21 are hinged, the step telescopic unit also comprises second step supporting board 22 with a y-bend supporting structure, and two bifurcateds of y-bend supporting structure are articulated in respectively on the bending part of second bending part of the 9th connecting rod 9 and the tenth connecting rod 10;
The backrest angle change unit comprises hinged the 11 connecting rod 11 with outside trailing arm 16 rear ends of an end, the other end of the 11 connecting rod 11 has head and the tail hinged the 12, the 13, the 14 and the 15 connecting rod 15 successively, one end of the 15 connecting rod 15 is fixed in the side of inboard trailing arm 17, be hinged with back rest supports plate the 23, the 22, the 55, the 77, the 99, the 11, the 12 and the shaft position of the 15 connecting rod 15 on the 14 connecting rod 14 and all have the bending structure that it can be smoothly be connected with corresponding attaching parts separately.
Have projection respectively on the 5th connecting rod 5 and the outside trailing arm 17, be connected with spring 19 between two projectioies.
The tenth connecting rod 10 leans on into, and first step supporting board, 21 places have stop screw.
Fixedly be useful on the intermediate transverse girder 25 of strengthening structure in the middle of about corresponding between the trailing arm 28.
Have slideway 18 on the trailing arm 17 of the outside, have the roller that is complementary with slideway 18 on the middle trailing arm 28.
The course of work of this example: the sofa stretching frame is in complete contraction state at first, as shown in Figure 2, when driven by motor pull bar 20 is released forward, front beam 24 rotates, drive seven-link assembly 7, the 8th connecting rod 8, the 9th connecting rod 9 and the tenth connecting rod 10 and protract and slowly lift, simultaneously, because pull bar 20 is released forward, inboard trailing arm 17 is stretched out forward by its drives, and while and inboard trailing arm 17 each hinged connecting rod link; When each connecting rod on the step telescopic unit extends to extreme position, the pulling force that middle trailing arm 28 on the main frame unit overcomes spring 19 drives inboard trailing arm 17 and stretches forward jointly with each connecting rod that middle trailing arm 28 and inboard trailing arm 17 are hinged, simultaneously, the back rest supports plate 23 on the backrest change unit rotates to the back lower place under the drive of the connecting rod hinged with it.Left view when stretching frame is stretched out fully as shown in Figure 3.
When stretching frame was packed up, pull bar 20 reclaimed under the drive of motor, and stretching frame is packed up whole main frame unit earlier, by front beam 24 reverse rotations the step telescopic unit is packed up again.This moment, stretching frame was in complete contraction state, as shown in Figure 2.
More than one embodiment of the present of invention are had been described in detail, but described content only is preferred embodiment of the present invention, can not be considered to for limiting practical range of the present invention.All equalizations of doing according to the present patent application scope change and improve etc., all should still belong within the patent covering scope of the present invention.
Claims (5)
1. sofa stretching frame, it is characterized in that: comprise the main frame unit, the step telescopic unit, backrest angle change unit and power unit, before described main frame unit comprises, rear cross beam and symmetrical Collapsible structure, described step telescopic unit is positioned at described main frame unit front end, described backrest angle change unit is positioned at rear end, described main frame unit, described power unit comprises motor and pull bar, described motor is fixed on the described rear cross beam, fixedly there are two on the described front beam perpendicular to the plate of described front beam, have corresponding hole respectively on two described plates; The front end of described pull bar has a perforation, described pull bar by one pass simultaneously two on the described plate the hole and described perforation the axle be connected on the described front beam the described front beam of described pull bar push-and-pull;
A wherein side of described Collapsible structure comprises the outside, middle and inboard three trailing arms, the described outside and described middle trailing arm all have a bending part, the front end of described outside trailing arm has the end first connecting rod hinged with it, the other end of described first connecting rod has the middle part second connecting rod hinged with it, one end of described second connecting rod has that an end is hinged with it, the hinged third connecting rod of bending part on the other end and the described outside trailing arm, the other end of described second connecting rod and described in the middle of the front end of trailing arm hinged;
The side that trailing arm is positioned at its bending part the place ahead in the middle of described has the 4th connecting rod that an end is hinged with it, the other end is hinged with described inboard trailing arm side, the 5th connecting rod that the rear that described centre trailing arm is positioned at its bending part has an end and described centre trailing arm is hinged, the other end and described inboard trailing arm are positioned at described inboard trailing arm and the place ahead, described the 4th rod hinge connection position is hinged;
Described outside trailing arm has the support chip of the described main frame of support unit by the side of its rear end, described support chip is fixedlyed connected with described rear cross beam, the 6th connecting rod that the trailing arm rear end has that an end is hinged with it, the other end and described inboard trailing arm side are hinged in the middle of described;
Described step telescopic unit comprises seven-link assembly and the 8th connecting rod that an end and described inboard trailing arm front end are hinged, one end of described the 8th connecting rod and an end of described the 5th connecting rod are articulated on the same position of described inboard trailing arm jointly, the other end of described seven-link assembly has an end nine connecting rod hinged with it, described the 9th connecting rod has first bending part and second bending part, the wrap direction of described first bending part and described second bending part is opposite, the wrap direction of described second bending part is towards described main frame unit, and the other end of described the 9th connecting rod has first step supporting board hinged with it; The other end of described the 8th connecting rod has an end ten connecting rod hinged with it, described the tenth connecting rod is two fork arms with a bending part, the other end of described the tenth connecting rod and described first step supporting board are hinged, described step telescopic unit also comprises second step supporting board with a y-bend supporting structure, and two bifurcateds of described y-bend supporting structure are articulated in respectively on the bending part of second bending part of described the 9th connecting rod and described the tenth connecting rod;
Described backrest angle change unit comprises the 11 connecting rod of trailing arm rear end, the hinged and described outside of an end, the other end of described the 11 connecting rod has head and the tail hinged the 12, the 13, the 14 and the 15 connecting rod successively, one end of described the 15 connecting rod is fixed in the side of described inboard trailing arm, is hinged with the back rest supports plate on described the 14 connecting rod;
The described the second, the 5th, the 7th, the 9th, the 11, the 12 all has the bending structure that it can be smoothly be connected with corresponding attaching parts separately with the shaft position of the 15 connecting rod.
2. sofa stretching frame according to claim 1 is characterized in that: have projection respectively on described the 5th connecting rod and the described outside trailing arm, be connected with spring between two described projectioies.
3. sofa stretching frame according to claim 1 is characterized in that: described the tenth connecting rod leans on into that the described first step supporting board place has stop screw.
4. sofa stretching frame according to claim 1 is characterized in that: fixedly be useful on the intermediate transverse girder of strengthening structure in the middle of the corresponding left and right sides is described between the trailing arm.
5. sofa stretching frame according to claim 1 is characterized in that: have slideway on the trailing arm of the described outside, have the roller that is complementary with described slideway on the described middle trailing arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310232657 CN103263169A (en) | 2013-06-13 | 2013-06-13 | Soft extendable frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310232657 CN103263169A (en) | 2013-06-13 | 2013-06-13 | Soft extendable frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103263169A true CN103263169A (en) | 2013-08-28 |
Family
ID=49006870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201310232657 Pending CN103263169A (en) | 2013-06-13 | 2013-06-13 | Soft extendable frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103263169A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104068657A (en) * | 2014-07-08 | 2014-10-01 | 李人英 | Seat and functional frame thereof |
| CN105146942A (en) * | 2015-07-16 | 2015-12-16 | 泰州市奥德家具配件有限公司 | Leisure chair electric regulating structure |
| CN106419262A (en) * | 2016-09-09 | 2017-02-22 | 常州携手智能家居有限公司 | Multifunctional sofa iron stand |
| CN111248680A (en) * | 2019-10-09 | 2020-06-09 | 锐迈机械科技（吴江）有限公司 | Backup pad and supporting component frame |
-
2013
- 2013-06-13 CN CN 201310232657 patent/CN103263169A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104068657A (en) * | 2014-07-08 | 2014-10-01 | 李人英 | Seat and functional frame thereof |
| CN105146942A (en) * | 2015-07-16 | 2015-12-16 | 泰州市奥德家具配件有限公司 | Leisure chair electric regulating structure |
| CN106419262A (en) * | 2016-09-09 | 2017-02-22 | 常州携手智能家居有限公司 | Multifunctional sofa iron stand |
| CN111248680A (en) * | 2019-10-09 | 2020-06-09 | 锐迈机械科技（吴江）有限公司 | Backup pad and supporting component frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130828 |