CN109924749A - A kind of sofa electric extending apparatus - Google Patents
A kind of sofa electric extending apparatus Download PDFInfo
- Publication number
- CN109924749A CN109924749A CN201910169304.3A CN201910169304A CN109924749A CN 109924749 A CN109924749 A CN 109924749A CN 201910169304 A CN201910169304 A CN 201910169304A CN 109924749 A CN109924749 A CN 109924749A
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- CN
- China
- Prior art keywords
- connector
- extending apparatus
- sofa electric
- assembly
- sliding
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- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C17/00—Sofas; Couches; Beds
- A47C17/04—Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C17/00—Sofas; Couches; Beds
- A47C17/86—Parts or details for beds, sofas or couches only not fully covered in a single one of the sub-groups A47C17/02, A47C17/04, A47C17/38, A47C17/52, A47C17/64, or A47C17/84; Drawers in or under beds
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nursing (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention discloses a kind of sofa electric extending apparatus, including pedestal, driving mechanism and two extension means positioned at two sides of base, two extension means are rotatablely connected with pedestal respectively, driving mechanism includes driving assembly and slide assemblies, driving assembly includes motor and lead screw, motor and pedestal are rotatablely connected, motor output shaft is connect with lead screw, slide assemblies include sliding rail, sliding part and the first connector, sliding rail one end is connected to motor, the suspension of the sliding rail other end, sliding part is installed on sliding rail, it is rotatablely connected in the middle part of first connector with sliding part, first connector both ends are connect with two extension means respectively, motor is for driving lead screw to rotate, lead screw is for driving sliding part to move back and forth along sliding rail, sliding part drives extension means expansion by the first connector or withdraws.Above-mentioned sofa electric extending apparatus is able to solve existing sofa electric extending apparatus structure is complicated, is difficult to install, higher cost, inconvenient, and requiring the problems such as complex to drive mechanism.
Description
Technical field
The present invention relates to sofa manufacturing fields, and in particular to a kind of sofa electric extending apparatus.
Background technique
In daily life, sofa has become a kind of very universal furniture, and sofa is a kind of chair equipped with cushion, is
One kind of software furniture.Relative to Wooden chair, sofa can provide more comforts to people.With people's living standard
It is continuously improved, sofa more and more enters in the family of common people as a kind of amenities of life product.
Currently, in the market existing sofa electric extending apparatus have mostly structure is complicated, difficult to install, higher cost with
And the features such as inconvenient.Also, existing sofa electric extending apparatus has extension means and power drive unit mostly, leads to
Power drive unit driving extension means are crossed to be stretched.Existing power drive unit is generally made of sliding rail and sliding block, by
The both ends of sliding rail in this power drive unit are fixed, therefore sliding block can only carry out motion in one dimension along sliding rail, lead
Cause the requirement to the drive mechanism of sofa electric extending apparatus complex.
Therefore, it is necessary to be improved to existing sofa electric extending apparatus.
Summary of the invention
The purpose of the present invention is to provide a kind of sofa electric extending apparatus, to solve existing sofa electric extending apparatus
The problems such as structure is complicated, difficult to install, higher cost, inconvenient, and the requirement to drive mechanism is complex.
In order to achieve the above object, the invention provides the following technical scheme:
A kind of sofa electric extending apparatus, including pedestal, driving mechanism and positioned at two stretching machines of the two sides of base
Structure, described two extension means are rotatablely connected with the pedestal respectively,
The driving mechanism includes driving assembly and slide assemblies, and the driving component includes motor and lead screw, the electricity
Machine and the pedestal are rotatablely connected, and the output shaft of the motor is connect with the lead screw,
The slide assemblies include sliding rail, sliding part and the first connector, and one end of the sliding rail is connect with the motor,
The other end of the sliding rail suspends, and the sliding part is installed on the sliding rail, the middle part of first connector and the cunning
Moving part rotation connection, the both ends of first connector are connect with described two extension means respectively,
The motor is for driving the lead screw to rotate, and the lead screw is for driving the sliding part past along the sliding rail
Multiple movement, the sliding part drive the extension means expansion by first connector or withdraw.
Further, each extension means include backrest module, seat-assembly and leg assembly, the leg assembly
It is slidably connected with the seat-assembly, the backrest module and the seat-assembly are rotatablely connected.
Further, the leg assembly is connect by the second connector with the seat-assembly, second connector
On be provided with sliding slot, the leg assembly can slide in the sliding slot.
Further, the both ends of first connector are connect with two seat-assemblies respectively.
Further, the pedestal includes third connector, the 4th connector, the 5th connector and the 6th connector, institute
It states third connector, the 4th connector, the 5th connector and the 6th connector and is in turn connected to form frame knot
Structure.
Further, the third connector is parallel with the 5th connector, the 4th connector and described the
Six connectors are parallel, and the 4th connector and the 6th connector are parallel with the backrest of sofa.
Further, the 4th connector is arranged close to the backrest module, and the 6th connector is close to the leg
Parts setting.
Further, each backrest module includes the 7th connector, and each backrest module passes through the described 7th
Connector and the third connector are rotatablely connected.
Further, the first fixing piece is provided between the 7th connector in two backrest modules.
Further, each seat-assembly includes the 8th connector, and each seat-assembly passes through the described 8th
Connector and the third connector are rotatablely connected.
Further, the second fixing piece is provided between the 8th connector on two seat-assemblies.
Further, at least one first connecting portion is provided on the sliding part, the middle part of first connector is logical
It crosses the first runner assembly and the first connecting portion is rotatablely connected.
Further, first runner assembly includes at least one first linking arm and at least one first rotating shaft, institute
The one end for stating the first linking arm is connect with first connector, and the other end of first linking arm passes through the first rotating shaft
It is connect with the first connecting portion.
Further, at least one second connecting portion is provided on the motor, the second connecting portion passes through second turn
Dynamic component and the 4th connector are rotatablely connected.
Further, the second turning discreteness includes at least one second linking arm and at least one second shaft, institute
The one end for stating the second linking arm is connect with the 4th connector, and the other end of second linking arm passes through second shaft
It is connect with the second connecting portion.
Preferably, the first rotating shaft is bolt or rotation screw, and second shaft is bolt or rotation screw.
Preferably, the section of first connector is round, rectangle or L shape.
Preferably, the sliding part is sliding block, is provided with the screw thread matched with the lead screw on the sliding block.
Compared with prior art, the invention has the following beneficial effects:
1, sofa electric extending apparatus entirety component part is less, structure is simple, easy for installation, low in cost and operation just
It is prompt；
2, the 4th connector on the sliding rail and pedestal in sofa electric extending apparatus is rotatablely connected by the second shaft, is made
Sliding rail can be rotated relative to the 4th connector, to make the sliding part being installed on sliding rail that can carry out two dimensional motion, to sand
The requirement of the drive mechanism of the dynamic extending apparatus of power generation is relatively simple；
3, the first connector in sofa electric extending apparatus and sliding part are rotatablely connected by first rotating shaft, and sliding part is logical
It crosses the first connector to drive extension means expansion or withdraw, keeps the drive mechanism of sofa electric extending apparatus more simple；
4, the first rotating shaft in sofa electric extending apparatus is attached with the second shaft using bolt or rotation screw etc.,
Be conducive to improve the installation effectiveness of sofa electric extending apparatus.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
It in order to illustrate the embodiments of the present invention more clearly or technical approach in the prior art, below will be to embodiment or existing
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the main component composition schematic diagram of sofa electric extending apparatus provided in an embodiment of the present invention；
Fig. 2 is leg assembly, seat-assembly and the backrest module of sofa electric extending apparatus provided in an embodiment of the present invention
Schematic diagram when collapsing completely；
Fig. 3 is leg assembly, seat-assembly and the backrest module of sofa electric extending apparatus provided in an embodiment of the present invention
Schematic diagram when being fully deployed；
Fig. 4 is the schematic diagram when backrest module of sofa electric extending apparatus provided in an embodiment of the present invention is toppled over completely；
In figure: 1- pedestal, 11- third connector, the 4th connector of 12-, the 5th connector of 13-, the 6th connector of 14-,
2- driving mechanism, 21- driving assembly, 211- motor, 2111- second connecting portion, 22- slide assemblies, 221- sliding rail, 222- sliding
Part, 2221- first connecting portion, the first connector of 223-, 3- extension means, 31- backrest module, 32- seat-assembly, the leg 33-
Component, the second connector of 4-, 41- sliding slot, the 7th connector of 5-, the 8th connector of 6-, the first fixing piece of 7-, 8- second are fixed
Part, the first linking arm of 9-, the second linking arm of 10-.
Specific embodiment
In order to make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment and join
According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright range.
In the description of the present invention, it is to be understood that, term " first ", " second ", " third ", " the 4th ", " the 5th ",
" the 6th ", " the 7th ", " the 8th " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicit finger
The quantity of bright indicated technical characteristic." first ", " second ", " third ", " the 4th ", " the 5th ", " are defined as a result,
Six ", " the 7th ", " the 8th " feature can explicitly or implicitly include one or more of the features.
In addition, in the present invention unless specifically defined or limited otherwise, the terms such as term " installation ", " connection " should be done
It broadly understood, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connection,
It is also possible to be electrically connected；It can be directly connected, can also can be inside two elements indirectly connected through an intermediary
Connection.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood as the case may be
Body meaning.
Embodiment
As shown in Figure 1, the embodiment of the invention provides a kind of sofa electric extending apparatus, including pedestal 1 and it is located at described
Two extension means 3 of 1 two sides of pedestal, described two extension means 3 are rotatablely connected with the pedestal 1 respectively.
Specifically, each extension means 3 include backrest module 31, seat-assembly 32 and leg assembly 33, the leg
Parts 33 are slidably connected with the seat-assembly 32, and the backrest module 31 is rotatablely connected with the seat-assembly 32.
In some embodiments, the leg assembly 33 can be connect by the second connector 4 with the seat-assembly 32,
Sliding slot 41 is provided on second connector 4, the leg assembly 33 can slide in the sliding slot 41, to realize institute
Leg assembly 33 is stated to be slidably connected with the seat-assembly 32.
Specifically, the pedestal 1 includes third connector 11, the 4th connector 12, the 5th connector 13 and the 6th connection
Part 14, the third connector 11, the 4th connector 12, the 5th connector 13 and the 6th connector 14 are successively
Connection forms frame structure.
In some embodiments, the third connector 11 can be parallel with the 5th connector 13, and the described 4th
Connector 12 can be parallel with the 6th connector 14.
In some embodiments, the 4th connector 12 and the 6th connector 14 can with the backrest phase of sofa
In parallel.
In some embodiments, the 4th connector 12 can be arranged close to the backrest module 31, and the described 6th connects
Fitting 14 is arranged close to the leg assembly 33.
Specifically, each backrest module 31 includes the 7th connector 5, each backrest module 31 passes through described the
Seven connectors 5 are rotatablely connected with the third connector 11.
In some embodiments, it is solid that first can be set between the 7th connector 5 in two backrest modules 31
Determine part 7, can be improved the anti-torsion ability of the extension means 3 by first fixing piece 7.
Specifically, each seat-assembly 32 includes the 8th connector 6, each seat-assembly 32 passes through described the
Eight connectors 6 are rotatablely connected with the third connector 11.
In some embodiments, it is solid that second can be set between the 8th connector 6 on two seat-assemblies 32
Determine part 8, can be improved the stability of the extension means 3 by second fixing piece 8.
Further, the sofa electric extending apparatus further includes driving mechanism 2, and the driving mechanism 2 includes driving group
Part 21 and slide assemblies 22.Specifically, the driving component 21 includes motor 211 and lead screw, the motor 211 and the pedestal
1 rotation connection, the output shaft of the motor 211 are connect with the lead screw.The slide assemblies 22 include sliding rail 221, sliding part
222 and first connector 223, one end of the sliding rail 221 connect with the motor 211, the other end of the sliding rail 221 is outstanding
Set, the sliding part 222 is installed on the sliding rail 221, the middle part of first connector 223 with 222 turns of the sliding part
Dynamic connection, the both ends of first connector 223 are connect with described two extension means 3 respectively.The motor 211 is for driving
The lead screw rotation, the lead screw is for driving the sliding part 222 to move back and forth along the sliding rail 221, the sliding part
222 drive the extension means 3 to be unfolded or withdraw by first connector 223.
Wherein, the lead screw (not shown) is set to the inside of the sliding rail 221.
Wherein, the both ends of first connector 223 are connect with two seat-assemblies 32 respectively.
In some embodiments, the rod-like structure that first connector 223 can be rounded for section.
In further embodiments, first connector 223 can be the plate structure of rectangular in cross-section.
In further embodiments, the angle iron structure that first connector 223 can be L-shaped for section.
Wherein, at least one first connecting portion 2221 is provided on the sliding part 222, first connector 223
Middle part is rotatablely connected by the first runner assembly and the first connecting portion 2221.
Specifically, first runner assembly includes at least one the first linking arm 9 and at least one first rotating shaft, it is described
One end of first linking arm 9 is connect with first connector 223, and the other end of first linking arm 9 passes through described first
Shaft is connect with the first connecting portion 2221.
In some embodiments, setting is there are two the first connecting portion 2221 on the sliding part 222, and two described the
The setting of one interconnecting piece 2221 interval, first runner assembly include two first linking arms 9 and one described first turn
Axis, two first linking arms 9 are respectively arranged at the outside of two first connecting portions 2221, two first connections
One end of arm 9 is connect with first connector 223 respectively, and the other end of two first linking arms 9 passes through described respectively
First rotating shaft is connect with two first connecting portions 2221.
In some embodiments, the first rotating shaft can be bolt, and the bolt includes polished rod, one end of the polished rod
It is provided with plug.
In further embodiments, the first rotating shaft can be rotation screw, and the rotation screw includes nut and spiral shell
Line is polished rod structure between the nut and the screw thread.
In some embodiments, the sliding part 222 can be sliding block, be provided on the sliding block and match with the lead screw
The screw thread of conjunction.
Wherein, at least one second connecting portion 2111 is provided on the motor 211, the second connecting portion 2111 passes through
The second turning discreteness and the 4th connector 12 are rotatablely connected.
Specifically, the second turning discreteness includes at least one the second linking arm 10 and at least one second shaft, institute
The one end for stating the second linking arm 10 is connect with the 4th connector 12, and the other end of second linking arm 10 passes through described the
Two shafts are connect with the second connecting portion 2111.
In some embodiments, the second connecting portion 2111 there are two being arranged on the motor 211, two described second
The setting of the interval of interconnecting piece 2111, the second turning discreteness include two second linking arms 10 and one described second turn
Axis, two second linking arms 10 are respectively arranged at the outside of two second connecting portions 2111, and two described second connect
The one end for connecing arm 10 is connect with the 4th connector 12 respectively, and the other end of two second linking arms 10 passes through institute respectively
The second shaft is stated to connect with two second connecting portions 2111.
In some embodiments, second shaft can be bolt, and the bolt includes polished rod, one end of the polished rod
It is provided with plug.
In further embodiments, second shaft can be rotation screw, and the rotation screw includes nut and spiral shell
Line is polished rod structure between the nut and the screw thread.
The working principle of sofa electric extending apparatus provided in an embodiment of the present invention is as follows:
When the motor 211 drives the lead screw to rotate, the lead screw drives the sliding part 222 along the sliding rail
221 (left side of Fig. 1) movements forward, to drive first connector 223 to move forward (left side of Fig. 1), by described
The active force of first connector 223 successively drives the leg assembly 33, the seat-assembly 32 and the backrest module 31 to open up
It opens, when being fully extended to extreme position, the leg assembly 33 is prevented to continue to be unfolded, to drive the backrest module 31 complete
Topple over entirely, the sofa electric extending apparatus described in this way is achieved that from Fig. 2 to Fig. 3 again to the process of Fig. 4 state.In the leg
During component 33, the seat-assembly 32 and the backrest module 31 are unfolded, the 7th connector 5 and the described 8th connects
Fitting 6 is rotated around the third connector 11 (direction shown in Fig. 2 arrow) counterclockwise.Conversely, described in being driven when the lead screw
Sliding part 222 along the sliding rail 221 (right side of Fig. 1) moves backward when, drive first connector 223 backward (Fig. 1's
Right side) movement, by the active force of first connector 223, successively drive the leg assembly 33, the seat-assembly 32
It is withdrawn with the backrest module 31, the sofa electric extending apparatus described in this way can be realized from Fig. 4 to Fig. 3 again to the mistake of Fig. 2 state
Journey.During the leg assembly 33, the seat-assembly 32 and the backrest module 31 are withdrawn, the 7th connector
5 and the 8th connector 6 rotated around the third connector 11 (direction shown in Fig. 4 arrow) clockwise.Wherein, above-mentioned
In sofa electric extending apparatus motion process, first connector 223 can be rotated relative to the sliding part 222, institute
Stating sliding rail 221 can be rotated relative to the 4th connector 12.
Sofa electric extending apparatus provided in an embodiment of the present invention has the advantages that
1, sofa electric extending apparatus entirety component part is less, structure is simple, easy for installation, low in cost and operation just
It is prompt；
2, the 4th connector on the sliding rail and pedestal in sofa electric extending apparatus is rotatablely connected by the second shaft, is made
Sliding rail can be rotated relative to the 4th connector, to make the sliding part being installed on sliding rail that can carry out two dimensional motion, to sand
The requirement of the drive mechanism of the dynamic extending apparatus of power generation is relatively simple；
3, the first connector in sofa electric extending apparatus and sliding part are rotatablely connected by first rotating shaft, and sliding part is logical
It crosses the first connector to drive extension means expansion or withdraw, keeps the drive mechanism of sofa electric extending apparatus more simple；
4, the first rotating shaft in sofa electric extending apparatus is attached with the second shaft using bolt or rotation screw etc.,
Be conducive to improve the installation effectiveness of sofa electric extending apparatus.
It should be understood that above-mentioned specific embodiment of the invention is used only for exemplary illustration or explains of the invention
Principle, but not to limit the present invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (18)
1. a kind of sofa electric extending apparatus, which is characterized in that including pedestal (1), driving mechanism (2) and be located at the pedestal
(1) two extension means (3) of two sides, described two extension means (3) are rotatablely connected with the pedestal (1) respectively,
The driving mechanism (2) includes driving assembly (21) and slide assemblies (22), and the driving component (21) includes motor
(211) it is rotatablely connected with lead screw, the motor (211) and the pedestal (1), the output shaft and the silk of the motor (211)
Thick stick connection,
The slide assemblies (22) include sliding rail (221), sliding part (222) and the first connector (223), the sliding rail (221)
One end connect with the motor (211), the suspension of the other end of the sliding rail (221), the sliding part (222) is installed on described
On sliding rail (221), the middle part and the sliding part (222) of first connector (223) are rotatablely connected, first connector
(223) both ends are connect with described two extension means (3) respectively,
The motor (211) is for driving the lead screw to rotate, and the lead screw is for driving the sliding part (222) along described
Sliding rail (221) moves back and forth, and the sliding part (222) drives extension means (3) exhibition by first connector (223)
It opens or withdraws.
2. sofa electric extending apparatus according to claim 1, which is characterized in that each extension means (3) include
Backrest module (31), seat-assembly (32) and leg assembly (33), the leg assembly (33) and the seat-assembly (32) are sliding
Dynamic connection, the backrest module (31) and the seat-assembly (32) are rotatablely connected.
3. sofa electric extending apparatus according to claim 2, which is characterized in that the leg assembly (33) passes through second
Connector (4) is connect with the seat-assembly (32), is provided with sliding slot (41) on second connector (4), the leg group
Part (33) being capable of the sliding in the sliding slot (41).
4. sofa electric extending apparatus according to claim 2, which is characterized in that the two of first connector (223)
End is connect with two seat-assemblies (32) respectively.
5. sofa electric extending apparatus according to claim 2, which is characterized in that the pedestal (1) includes third connection
Part (11), the 4th connector (12), the 5th connector (13) and the 6th connector (14), it is the third connector (11), described
4th connector (12), the 5th connector (13) and the 6th connector (14) are in turn connected to form frame structure.
6. sofa electric extending apparatus according to claim 5, which is characterized in that the third connector (11) with it is described
5th connector (13) is parallel, and the 4th connector (12) is parallel with the 6th connector (14), and the described 4th
Connector (12) and the 6th connector (14) are parallel with the backrest of sofa.
7. sofa electric extending apparatus according to claim 5, which is characterized in that the 4th connector (12) is close to institute
Backrest module (31) setting is stated, the 6th connector (14) is arranged close to the leg assembly (33).
8. sofa electric extending apparatus according to claim 5, which is characterized in that each backrest module (31) includes
7th connector (5), each backrest module (31) are turned by the 7th connector (5) and the third connector (11)
Dynamic connection.
9. sofa electric extending apparatus according to claim 8, which is characterized in that on two backrest modules (31)
The first fixing piece (7) are provided between 7th connector (5).
10. sofa electric extending apparatus according to claim 5, which is characterized in that each seat-assembly (32) packet
The 8th connector (6) is included, each seat-assembly (32) passes through the 8th connector (6) and the third connector (11)
Rotation connection.
11. sofa electric extending apparatus according to claim 10, which is characterized in that on two seat-assemblies (32)
The 8th connector (6) between be provided with the second fixing piece (8).
12. sofa electric extending apparatus according to claim 5, which is characterized in that be provided on the sliding part (222)
The middle part of at least one first connecting portion (2221), first connector (223) passes through the first runner assembly and described first
Interconnecting piece (2221) rotation connection.
13. sofa electric extending apparatus according to claim 12, which is characterized in that first runner assembly includes extremely
Few first linking arm (9) and at least one first rotating shaft, one end of first linking arm (9) and first connector
(223) it connects, the other end of first linking arm (9) is connected by the first rotating shaft and the first connecting portion (2221)
It connects.
14. sofa electric extending apparatus according to claim 13, which is characterized in that be provided on the motor (211)
At least one second connecting portion (2111), the second connecting portion (2111) pass through the second turning discreteness and the 4th connector
(12) it is rotatablely connected.
15. sofa electric extending apparatus according to claim 14, which is characterized in that the second turning discreteness includes extremely
Few second linking arm (10) and at least one second shaft, one end of second linking arm (10) are connect with the described 4th
The other end of part (12) connection, second linking arm (10) is connected by second shaft and the second connecting portion (2111)
It connects.
16. sofa electric extending apparatus according to claim 15, which is characterized in that the first rotating shaft is bolt or turns
Dynamic screw, second shaft are bolt or rotation screw.
17. sofa electric extending apparatus described in any one of -16 according to claim 1, which is characterized in that first connection
The section of part (223) is round, rectangle or L shape.
18. sofa electric extending apparatus described in any one of -16 according to claim 1, which is characterized in that the sliding part
(222) it is sliding block, is provided with the screw thread matched with the lead screw on the sliding block.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910169304.3A CN109924749A (en) | 2019-03-06 | 2019-03-06 | A kind of sofa electric extending apparatus |
| PCT/CN2020/076172 WO2020177552A1 (en) | 2019-03-06 | 2020-02-21 | Electric expansion device for sofa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910169304.3A CN109924749A (en) | 2019-03-06 | 2019-03-06 | A kind of sofa electric extending apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109924749A true CN109924749A (en) | 2019-06-25 |
Family
ID=66986387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910169304.3A Pending CN109924749A (en) | 2019-03-06 | 2019-03-06 | A kind of sofa electric extending apparatus |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109924749A (en) |
| WO (1) | WO2020177552A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020177552A1 (en) * | 2019-03-06 | 2020-09-10 | 锐迈机械科技（吴江）有限公司 | Electric expansion device for sofa |
| WO2020177544A1 (en) * | 2019-03-06 | 2020-09-10 | 锐迈机械科技（吴江）有限公司 | Sofa frame |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11522511B2 (en) * | 2020-11-18 | 2022-12-06 | Paulo Carvalho | Digitally controlled multistage combiner with a cascade of combiners |
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| CN109924749A (en) * | 2019-03-06 | 2019-06-25 | 锐迈机械科技（吴江）有限公司 | A kind of sofa electric extending apparatus |
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2019
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- 2020-02-21 WO PCT/CN2020/076172 patent/WO2020177552A1/en active Application Filing
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020177552A1 (en) * | 2019-03-06 | 2020-09-10 | 锐迈机械科技（吴江）有限公司 | Electric expansion device for sofa |
| WO2020177544A1 (en) * | 2019-03-06 | 2020-09-10 | 锐迈机械科技（吴江）有限公司 | Sofa frame |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020177552A1 (en) | 2020-09-10 |
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