CN207733926U - Sofa leg extension structure - Google Patents
Sofa leg extension structure Download PDFInfo
- Publication number
- CN207733926U CN207733926U CN201720470596.0U CN201720470596U CN207733926U CN 207733926 U CN207733926 U CN 207733926U CN 201720470596 U CN201720470596 U CN 201720470596U CN 207733926 U CN207733926 U CN 207733926U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- holder
- extending part
- leg extension
- extension structure
- 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.)
- Ceased
Links
Abstract
The utility model discloses a kind of sofa leg extension structures, including holder, sits frame, extending apparatus and ride, it sits frame and is fixedly installed in holder, extending apparatus includes the first extending part and the second extending part, first extending part includes first connecting rod and second connecting rod, second extending part includes third connecting rod and fourth link, first connecting rod is rotatablely installed in holder, second connecting rod rotational installation is in seat frame, third connecting rod is rotatablely connected with second connecting rod, fourth link is rotatablely connected with first connecting rod, is ridden and is rotatablely connected with third connecting rod and fourth link.First connecting rod rotational installation is rotatablely connected in seat frame, third connecting rod with second connecting rod in holder, second connecting rod rotational installation, fourth link is rotatablely connected with first connecting rod, it is foot-operated to be rotatablely connected with third connecting rod and fourth link, enable higher, longer, comfort level enhancing that the leg of sofa stretches.
Description
Technical field
The utility model is related to furniture, more particularly, to a kind of sofa leg extension structure.
Background technology
As the improvement of people's living standards, adjustable sofa chair is widely used.Adjustable sofa chair one
As include the chair back, seat frame, leg extension part, connection component and/or adjusting part and motor, motor and connection component
And/or adjusting part connection, it is used for the angle of adjusting back, seat frame and leg extension part, the differences such as sits, lie to meet human body
Posture transformation.
But existing adjustable sofa chair has the following defects：
Seat is deep inadequate, and leg is raised not enough, and leg elongation is inadequate, and comfort level is poor.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of sofa leg extension structures.
The purpose of this utility model is realized using following technical scheme：
A kind of sofa leg extension structure, including holder, frame, extending apparatus and foot-operated are sat, the seat frame is fixedly installed in
The holder, the extending apparatus include the first extending part and the second extending part, first extending part include first connecting rod and
Second connecting rod, second extending part include third connecting rod and fourth link, and the first connecting rod is rotatablely installed in the holder,
In the seat frame, the third connecting rod is rotatablely connected with the second connecting rod for the second connecting rod rotational installation, and the described 4th connects
Bar is rotatablely connected with the first connecting rod, and the foot-operated and third connecting rod and the fourth link are rotatablely connected.
Further, the second connecting rod is equipped with limiting slot, and the fourth link includes banking pin, the banking pin and institute
Stating limiting slot buckle makes relatively described second extending part of first extending part fix.
Further, described ride includes connecting end surface, and the connecting end surface is far from described holder one end and the seat frame
Difference in height far from described holder one end is 10~15cm.
Further, described ride includes terminal surface, and the terminal surface is separate far from described holder one end and the seat frame
The distance of described holder one end is 45~55cm.
Further, the holder includes operating parts, and the terminal surface is far from described holder one end and the operating parts
Vertical range is 30~35cm.
Further, the seat frame close to described holder one end and the terminal surface far from being at a distance from described holder one end
100~110cm.
Further, the seat frame close to described holder one end and the seat frame far from being 55 at a distance from described holder one end
~60cm.
Compared with prior art, the beneficial effects of the utility model are：
First connecting rod rotational installation is rotated in seat frame, third connecting rod with second connecting rod in holder, second connecting rod rotational installation
Connection, fourth link are rotatablely connected with first connecting rod, are ridden and are rotatablely connected with third connecting rod and fourth link, make the leg of sofa
The higher that can stretch, longer, comfort level enhancing.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.Specific embodiment of the present utility model is shown in detail by following embodiment and its attached drawing.
Description of the drawings
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings：
Fig. 1 is the front view of the utility model sofa leg extension structure；
Fig. 2 is the rearview of the sofa leg extension structure of Fig. 1.
In figure：100, sofa leg extension structure；10, holder；12, operating parts；20, frame is sat；30, extending apparatus；32,
One extending part；320, first connecting rod；322, second connecting rod；3220, limiting slot；34, the second extending part；340, third connecting rod；
342, fourth link；3420, banking pin；40, it rides；42, connecting end surface；44, terminal surface.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It should be noted that when component is referred to as " being fixed on " another component, it can be directly on another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it can be directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it
Can be set up directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with the technology for belonging to the utility model
The normally understood meaning of technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more relevant Listed Items.
Please refer to Fig.1-2, a kind of sofa leg extension structure 100 includes holder 10, sit frame 20, extending apparatus 30 and foot-operated
40。
Holder 10 includes operating parts 12.Extending apparatus 30 includes the first extending part 32 and the second extending part 34.First stretching, extension
Portion 32 includes first connecting rod 320 and second connecting rod 322.Second connecting rod 322 is equipped with limiting slot 3220.Second extending part 34 includes the
Three-link 340 and fourth link 342.Fourth link 342 includes banking pin 3420.First connecting rod 320 is rotated with fourth link 342
Connection, second connecting rod 322 are rotatablely connected with third connecting rod 340.Foot-operated 40 include connecting end surface 42 and terminal surface 44.
When assembling sofa leg extension structure 100, sits frame 20 and be fixedly installed in holder 10.First connecting rod 320 is rotatablely installed
In holder 10.The rotational installation of second connecting rod 322 is in seat frame 20.Foot-operated 40 connect with third connecting rod 340 and the rotation of fourth link 342
It connects.
When using sofa leg extension structure 100, holder 10 drives the first extending part 32 and the stretching, extension of the second extending part 34, limit
Position nail 3420 makes 32 opposite second extending part 34 of the first extending part fix with the buckle of limiting slot 3220.Connecting end surface 42 is far from holder
10 one end are H1 with difference in height of the frame 20 far from 10 one end of holder is sat, and height difference H 1 is 10~15cm.Terminal surface 44 is far from holder
The vertical range of 10 one end and operating parts 12 is H2, and H2 is 30~35cm.It is separate close to 10 one end of holder and seat frame 20 to sit frame 20
The distance of 10 one end of holder is L1, and distance L1 is 55~60cm.Terminal surface 44 is far from 10 one end of holder with seat frame 20 far from holder
The distance of 10 one end is L2, and distance L2 is 45~55cm.Frame 20 is sat close to 10 one end of holder and terminal surface 44 far from holder 10 1
The distance at end is L3, and distance L3 is 100~110cm.By the design of above-mentioned size, increase mechanism seat is deep, leg is high and leg is long, carries
The comfort level of high sofa.
The above, the only preferred embodiment of the utility model not make in any form the utility model
Limitation；The those of ordinary skill of all industry can be shown in by specification attached drawing and described above and swimmingly implement this practicality
It is novel；But all those skilled in the art are not departing within the scope of technical solutions of the utility model, using being taken off above
The technology contents shown and the equivalent variations of a little variation, modification and evolution made, are the equivalent embodiment of the utility model；
Meanwhile all substantial technologicals according to the utility model to the change of any equivalent variations made by above example, modify and drill
Become etc., still fall within the protection domain of the technical solution of the utility model.
Claims (7)
1. a kind of sofa leg extension structure, including holder, sit frame, extending apparatus and foot-operated, it is characterised in that：The seat frame is solid
Dingan County is loaded on the holder, and the extending apparatus includes the first extending part and the second extending part, and first extending part includes the
One connecting rod and second connecting rod, second extending part include third connecting rod and fourth link, the first connecting rod rotational installation in
The holder, the second connecting rod rotational installation is in the seat frame, and the third connecting rod is rotatablely connected with the second connecting rod, institute
It states fourth link to be rotatablely connected with the first connecting rod, foot-operated rotate with the third connecting rod and the fourth link connects
It connects.
2. sofa leg extension structure according to claim 1, it is characterised in that：The second connecting rod is equipped with limiting slot,
The fourth link includes banking pin, and the banking pin makes first extending part opposite described second with limiting slot buckle
Extending part is fixed.
3. sofa leg extension structure according to claim 1, it is characterised in that：Described ride includes connecting end surface, institute
It is 10~15cm that connecting end surface, which is stated, far from described holder one end and the seat difference in height of the frame far from described holder one end.
4. sofa leg extension structure according to claim 1, it is characterised in that：Described ride includes terminal surface, described
Terminal surface is far from described holder one end and the seat frame far from being 45~55cm at a distance from described holder one end.
5. sofa leg extension structure according to claim 4, it is characterised in that：The holder includes operating parts, described
Vertical range of the terminal surface far from described holder one end and the operating parts is 30~35cm.
6. sofa leg extension structure according to claim 4, it is characterised in that：The seat frame is close to described holder one end
With the terminal surface far from a distance from described holder one end be 100~110cm.
7. sofa leg extension structure according to claim 1, it is characterised in that：The seat frame is close to described holder one end
With the seat frame far from a distance from described holder one end be 55~60cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720470596.0U CN207733926U (en) | 2017-04-29 | 2017-04-29 | Sofa leg extension structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720470596.0U CN207733926U (en) | 2017-04-29 | 2017-04-29 | Sofa leg extension structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207733926U true CN207733926U (en) | 2018-08-17 |
Family
ID=63114607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720470596.0U Ceased CN207733926U (en) | 2017-04-29 | 2017-04-29 | Sofa leg extension structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207733926U (en) |
-
2017
- 2017-04-29 CN CN201720470596.0U patent/CN207733926U/en not_active Ceased
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20200313 Decision number of declaring invalidation: 42676 Granted publication date: 20180817 |
|
| IW01 | Full invalidation of patent right |