CN209135921U - A kind of sofa headrest extension means - Google Patents
A kind of sofa headrest extension means Download PDFInfo
- Publication number
- CN209135921U CN209135921U CN201821854385.8U CN201821854385U CN209135921U CN 209135921 U CN209135921 U CN 209135921U CN 201821854385 U CN201821854385 U CN 201821854385U CN 209135921 U CN209135921 U CN 209135921U
- Authority
- CN
- China
- Prior art keywords
- sofa
- support base
- screw
- connecting rod
- backrest
- 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
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model discloses a kind of sofa headrest extension means, including sofa seat and sofa plate, the inside of the front and back sofa plate is equipped with sofa seat, the sofa plate and sofa seat slide clamping, the upper end right center of the sofa seat is equipped with the first support base, the shaft and steamboat clearance fit, and the steamboat and the sliding of groove block are clamped, the 4th screw is equipped on the right side of the upper end of the groove block, the 4th screw is connected with headrest and the equal screw thread of groove block.The sofa headrest extension means, pass through the cooperation between headrest, groove block, backrest, steamboat, link block, sofa seat, first connecting rod, second connecting rod, third connecting rod and fourth link, solve the problems, such as that when sofa backrest fell, headrest can not auto-extending, by the cooperation between the first support base, the second support base, third support base, groove block, the first screw, the second screw, third screw and the 4th screw, solve the problems, such as the inconvenient in transport and installation process of mechanism.
Description
Technical field
The utility model relates to technical field of furniture, specially a kind of sofa headrest extension means.
Background technique
B.C. 2000 or so ancient Egypts can be traced in the origin of sofa, but the Soft Roll sofa of real meaning then occurs
At the beginning of the Yu Shiliu end of the century to 17th century, the elastic material that sofa at that time mainly uses horse-hair, fowl plumage, plant villus etc. natural is made
For filler, the cloth coverings such as outside velvet, needlework, to form a kind of body-contacting surface of softness, although existing
The sofa of technology can satisfy daily normal use, but the prior art is unable to satisfy when sofa backrest fell and rests the head on energy certainly
Dynamic the problem of stretching out, makes daily inconvenient to use.
Utility model content
The purpose of this utility model is to provide a kind of sofa headrest extension means, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of sofa headrest extension means, including sand
Seat and sofa plate are sent out, the inside of the front and back sofa plate is equipped with sofa seat, and the sofa plate and sofa seat slide clamping, described
The upper end right center of sofa seat is equipped with the first support base, and the upper end of first support base is equipped with the first screw, and described first
Screw is connected with the first support base and the equal screw thread of sofa seat, and first support base rotates phase by the first pin shaft and first connecting rod
Even, the inside rear and front end of the sofa plate is equipped with backrest, and the lower end outside of the backrest passes through the 6th pin shaft and sofa
Plate is rotatedly connected, and first baffle is connected on the inside of the lower section left end of the backrest, and the right side of the first baffle is equipped with third branch
Seat is supportted, the right side of the third support base is equipped with third screw, the third screw and third support base and the equal spiral shell of first baffle
Line is connected, and the third support base is rotatedly connected by third pin shaft with third connecting rod, and the left side outer wall of the third connecting rod is logical
It crosses the 4th pin shaft to be rotatedly connected with first connecting rod, the right end of the third connecting rod rotates phase by the second pin shaft and second connecting rod
Even, the upper end of the second connecting rod is rotatedly connected by the 5th pin shaft with the second support base, and the upper end of second support base is set
There is link block, the lower section of second support base is equipped with the second screw, and second screw and the second support base and link block are equal
Screw thread is connected, and the rear and front end of the link block is fluted piece affixed, and the inside of the backrest is connected with shaft, and described turn
The outer wall of axis is equipped with steamboat, the shaft and steamboat clearance fit, and the steamboat and the sliding of groove block are clamped, the groove block
Left end is equipped with headrest, and the 4th screw is equipped on the right side of the upper end of the groove block, and the 4th screw and headrest and groove block are equal
Screw thread is connected.
Preferably, the right center of the front and back groove block is equipped with fixture block, the fixture block and the equal clearance fit of backrest, described
The right side of fixture block passes through second baffle and is fixedly linked with thin bar, and the right side of the thin bar is connected with third baffle, described
The outer wall of thin bar is equipped with spring, and the left and right sides of the spring is fixedly linked with third baffle and backrest respectively.
Compared with prior art, the utility model has the beneficial effects that the sofa headrest extension means, by headrest, recessed
Cooperation between geosynclinal block, backrest, steamboat, link block, sofa seat, first connecting rod, second connecting rod, third connecting rod and fourth link,
Make opening or closing for position between the controllable headrest of the movement of sofa seat and backrest, solves the headrest when sofa backrest fell
Can not auto-extending the problem of, pass through the first support base, the second support base, third support base, groove block, the first screw, second
Cooperation between screw, third screw and the 4th screw, the installation and removal of mechanism can be realized by making to tighten four screws, be solved
The problem inconvenient in transport and installation process of mechanism.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the structural schematic diagram of left view at backrest, groove block and fixture block in Fig. 1；
Fig. 3 is the structural schematic diagram in Fig. 1 at first connecting rod, second connecting rod and third connecting rod；
Fig. 4 is the structural schematic diagram in Fig. 1 at backrest, groove block and link block；
Fig. 5 is the structural schematic diagram in Fig. 1 at sofa seat, the first support base and first connecting rod.
In figure: 1, sofa seat, the 2, first support base, the 3, first pin shaft, 4, first connecting rod, 5, backrest, 6, sofa plate, 7,
Two pin shafts, 8, second connecting rod, 9, groove block, 10, fixture block, 11, steamboat, 12, shaft, 13, headrest, the 14, the 4th screw, 15, company
Connect block, 16, first baffle, 17, third support base, 18, third pin shaft, the 19, the 6th pin shaft, 20, second baffle, 21, spring,
22, thin bar, 23, third baffle, 24, third screw, the 25, the 4th pin shaft, the 26, second support base, the 27, second screw, the 28, the 5th
Pin shaft, the 29, first screw, 30, third connecting rod.
Specific embodiment
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
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-5, the utility model provides a kind of sofa headrest extension means technical solution: a kind of sofa headrest is stretched
Mechanism, including sofa seat 1 and sofa plate 6 are opened up, the inside of front and back sofa plate 6 is equipped with sofa seat 1, and sofa plate 6 and sofa seat 1 are sliding
Dynamic clamping, sofa seat 1 can be moved left and right in the inside of sofa plate 6, and the upper end right center of sofa seat 1 is equipped with the first support base 2,
The upper end of first support base 2 is equipped with the first screw 29, and the first screw 29 is connected with the first support base 2 and the equal screw thread of sofa seat 1, twists
The position that tight first screw 29 can be realized between the first support base 2 and sofa seat 1 is fixed, and the first support base 2 passes through the first pin
Axis 3 is rotatedly connected with first connecting rod 4, and first connecting rod 4 can be rotated by the first pin shaft 3 around the first support base 2, sofa plate 6
Inside rear and front end be equipped with backrest 5, limit the positional relationship between backrest 5 and sofa plate 6, the lower end outside of backrest 5 is equal
It is rotatedly connected by the 6th pin shaft 19 with sofa plate 6, backrest 5 can be rotated by the 6th pin shaft 19 around sofa plate 6, under backrest 5
First baffle 16 is connected on the inside of Fang Zuoduan, first baffle 16 can drive backrest 5 mobile, and the right side of first baffle 16 is equipped with third
The right side of support base 17, third support base 17 is equipped with third screw 24, third screw 24 and third support base 17 and first baffle
16 equal screw threads are connected, and the position that tightening third screw 24 can be realized between third support base 17 and first baffle 16 is fixed, the
Three support bases 17 are rotatedly connected by third pin shaft 18 with third connecting rod 30, and third connecting rod 30 can be by third pin shaft 18 around third
Support base 17 rotates, and the left side outer wall of third connecting rod 30 is rotatedly connected by the 4th pin shaft 25 with first connecting rod 4, first connecting rod 4
Left side outer wall by the 4th pin shaft 25 around third connecting rod 30 rotates, and the right end of third connecting rod 30 passes through the second pin shaft 7 and second
Connecting rod 8 is rotatedly connected, and second connecting rod 8 can be rotated by the second pin shaft 7 around third connecting rod 30, and the upper end of second connecting rod 8 passes through the
Five pin shafts 28 are rotatedly connected with the second support base 26, and second connecting rod 8 can be rotated by the 5th pin shaft 28, the second support base 26 it is upper
End is equipped with link block 15, and the lower section of the second support base 26 is equipped with the second screw 27, the second screw 27 and the second support base 26 and connects
It connects the equal screw thread of block 15 to be connected, it is solid to tighten the position that the second screw 27 can be realized between the second support base 26 and link block 15
Fixed, the rear and front end of link block 15 is fluted piece 9 affixed, and link block 15 can drive groove block 9 mobile, and the inside of backrest 5 is equal
It is connected with shaft 12, backrest 5 is supported shaft 12, and the outer wall of shaft 12 is equipped with steamboat 11, shaft 12 and 11 gap of steamboat
Cooperation, shaft 12 can rotate in the outer wall of steamboat 11, steamboat 11 and the sliding clamping of groove block 9, and steamboat 11 can confinement groove block 9
Motion track, the left end of groove block 9 are equipped with headrest 13, are equipped with the 4th screw 14, the 4th screw 14 on the right side of the upper end of groove block 9
It is connected with headrest 13 and the equal screw thread of groove block 9, it is solid tightens the position that the 4th screw 14 can be realized between headrest 13 and groove block 9
Fixed, the right center of front and back groove block 9 is equipped with fixture block 10, and fixture block 10 can limit the upper and lower position of steamboat 11 and control backrest with this
5 inclined degree, fixture block 10 and the equal clearance fit of backrest 5, fixture block 10 can be mobile in the inside of backrest 5, the right side of fixture block 10
It is fixedly linked by second baffle 20 with thin bar 22, thin bar 22 can drive fixture block 10 mobile by second baffle 20, thin bar 22
Right side be connected with third baffle 23, third baffle 23 can drive thin bar 22 mobile, and the outer wall of thin bar 22 is equipped with spring 21, bullet
The coefficient of elasticity K of spring 21 is 300N/m, and the left and right sides of spring 21 is fixedly linked with third baffle 23 and backrest 5 respectively, third
It can extrude spring 21 when baffle 23 is displaced outwardly.
When needing this sofa headrest extension means in use, third baffle 23 can be pulled out first, fixture block 10 is made not exist
Behind the position that steamboat 11 can be limited, being moved to the left sofa seat 1 can be realized the mobile lower end for making first connecting rod 4 of the first support base 2
It can be rotated clockwise around the first pin shaft 3, the upper end of first connecting rod 4 is made to drive third connecting rod 30 around the 4th pin shaft 25 and third pin shaft
18 rotate counterclockwise, and third connecting rod 18 drives backrest 5 around the 6th pin shaft 19 and sand by third support base 17 and first baffle 16
Hair plate 6 rotates clockwise, and the right side of third connecting rod 30 drives the lower end of second connecting rod 8 to rotate clockwise around the second pin shaft 7, simultaneously
The upper end of second connecting rod 8 is rotated counterclockwise around the 5th pin shaft 28, so that second connecting rod 8 is pushed up the movement of link block 15, is made to connect
Block 15 can drive groove block 9 to move up, and the roll inside by steamboat 11 in groove block 9 realizes 9 He of groove block with this
The stretching of headrest 13 makes the position of headrest 13 and backrest 5 be staggered, and finally unclamps third baffle 23, makes second baffle 20 by spring
21 elastic force rebounds the position for making fixture block 10 that can limit steamboat 11.
In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in
The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is construed as a limitation of the present invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu
Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (2)
1. a kind of sofa headrest extension means, including sofa seat (1) and sofa plate (6), set on the inside of the sofa plate (6) of front and back
Have sofa seat (1), the sofa plate (6) and sofa seat (1) slide clamping, it is characterised in that: the upper end of the sofa seat (1)
Right center is equipped with the first support base (2), and the upper end of first support base (2) is equipped with the first screw (29), first spiral shell
Nail (29) and the first support base (2) and sofa seat (1) screw thread are connected, first support base (2) pass through the first pin shaft (3) and
First connecting rod (4) is rotatedly connected, and the inside rear and front end of the sofa plate (6) is equipped with backrest (5), under the backrest (5)
End outside is rotatedly connected with sofa plate (6) by the 6th pin shaft (19), and the lower section left end inside of the backrest (5) is connected with the
The right side of one baffle (16), the first baffle (16) is equipped with third support base (17), the right side of the third support base (17)
Equipped with third screw (24), the third screw (24) is connected with third support base (17) and first baffle (16) screw thread, institute
It states third support base (17) to be rotatedly connected by third pin shaft (18) with third connecting rod (30), the left side of the third connecting rod (30)
Outer wall is rotatedly connected by the 4th pin shaft (25) with first connecting rod (4), and the right end of the third connecting rod (30) passes through the second pin shaft
(7) it is rotatedly connected with second connecting rod (8), the upper end of the second connecting rod (8) passes through the 5th pin shaft (28) and the second support base
(26) it is rotatedly connected, the upper end of second support base (26) is equipped with link block (15), the lower section of second support base (26)
Equipped with the second screw (27), second screw (27) is connected with the second support base (26) and link block (15) screw thread, described
The rear and front end of link block (15) is affixed fluted piece (9), and the inside of the backrest (5) is connected with shaft (12), described
The outer wall of shaft (12) is equipped with steamboat (11), the shaft (12) and steamboat (11) clearance fit, the steamboat (11) and groove
Block (9) sliding clamping, the left end of the groove block (9) is equipped with headrest (13), equipped with the on the right side of the upper end of the groove block (9)
Four screws (14), the 4th screw (14) are connected with headrest (13) and groove block (9) screw thread.
2. a kind of sofa headrest extension means according to claim 1, it is characterised in that: the front and back groove block (9)
Right center is equipped with fixture block (10), and the fixture block (10) and backrest (5) equal clearance fit, the right side of the fixture block (10) passes through
Second baffle (20) is fixedly linked with thin bar (22), and the right side of the thin bar (22) is connected with third baffle (23), described thin
The outer wall of bar (22) is equipped with spring (21), and the left and right sides of the spring (21) is solid with third baffle (23) and backrest (5) respectively
It is fixed to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821854385.8U CN209135921U (en) | 2018-11-12 | 2018-11-12 | A kind of sofa headrest extension means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821854385.8U CN209135921U (en) | 2018-11-12 | 2018-11-12 | A kind of sofa headrest extension means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209135921U true CN209135921U (en) | 2019-07-23 |
Family
ID=67285218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821854385.8U Active CN209135921U (en) | 2018-11-12 | 2018-11-12 | A kind of sofa headrest extension means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209135921U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113101212A (en) * | 2021-04-02 | 2021-07-13 | 上海乐纯生物技术有限公司 | Aseptic joint and infusion container for preparing injection liquid medicine |
-
2018
- 2018-11-12 CN CN201821854385.8U patent/CN209135921U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113101212A (en) * | 2021-04-02 | 2021-07-13 | 上海乐纯生物技术有限公司 | Aseptic joint and infusion container for preparing injection liquid medicine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209135921U (en) | A kind of sofa headrest extension means | |
| CN109114378A (en) | A kind of TV hanger | |
| CN206603480U (en) | A kind of adjustable disassembly and assembly structure of drawer sliding rail | |
| CN207687600U (en) | Outdoor mosaic screen connection component | |
| CN206755356U (en) | The air regulator of convenient dismounting | |
| CN209078576U (en) | A kind of sofa processing just adjustable type frock clamp | |
| CN208794004U (en) | A kind of computer camera base convenient for adjusting angle | |
| CN207075763U (en) | One kind deformation furnature construction | |
| CN207177553U (en) | A kind of three-dimensional adjustable Built-in hinge | |
| CN207436778U (en) | A kind of activity orientation structure that folding door is turned over for furniture | |
| CN214596392U (en) | Fixing device for unilateral otochondral augmentation of nose | |
| CN209115916U (en) | A kind of TV hanger | |
| CN207997820U (en) | A kind of holder for armrest box | |
| CN209622394U (en) | A kind of Computer display platen bracket easy to adjust | |
| CN208820913U (en) | A kind of LCD TV aluminium frame of anti-dropout | |
| CN108994752A (en) | A kind of sofa processing just adjustable type frock clamp | |
| CN208652079U (en) | Shang Xianji and its integrated form frame | |
| CN209269043U (en) | A kind of list actuator realizes the mechanical device of multiple attitude regulations | |
| CN207436779U (en) | A kind of adjustable location structure that folding door is turned over for furniture | |
| CN209938186U (en) | Easily-processed double-curved plate | |
| CN201223811Y (en) | Double-thread pressure clearance adjusting mechanism | |
| CN109280983A (en) | Chemical fibre based on textile manufacturing reels off raw silk from cocoons equipment | |
| CN208957341U (en) | A kind of sofa backrest connection rotating device | |
| CN203049161U (en) | Two-top one-bottom opening device | |
| CN209301632U (en) | A kind of rack of two degrees of freedom massage machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |