CN208837379U - A multi-point limit mechanical stretching device - Google Patents
A multi-point limit mechanical stretching device Download PDFInfo
- Publication number
- CN208837379U CN208837379U CN201820636301.7U CN201820636301U CN208837379U CN 208837379 U CN208837379 U CN 208837379U CN 201820636301 U CN201820636301 U CN 201820636301U CN 208837379 U CN208837379 U CN 208837379U
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- China
- Prior art keywords
- locating part
- leg
- limit
- side plate
- installation side
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- Expired - Fee Related
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model provides a kind of mechanical extending device of multiple spot limit.It solves existing machinery extending apparatus using traditional limit method, and functional frame is easy to appear shaking, the technical problems such as stability difference during being unfolded or packing up.The mechanical extending device of this multiple spot limit, including pedestal, functional frame is provided on pedestal, functional frame includes leg structure, portions structure and back structures, leg structure is connected with portions structure, portions structure is connected with back structures, leg structure includes front connector, portions structure includes installation side plate and leg drive connection part, back structures include back rest and rear connectors, position limiting structure is additionally provided in functional frame, position limiting structure includes the first locating part, second locating part and third locating part, the middle part of front connector is arranged in first locating part, second locating part is arranged on the other end of installation side plate, the middle part of back rest is arranged in third locating part.The utility model has the advantages that stability is good.
Description
Technical field
The utility model belongs to sofa technical field, is related to a kind of mechanical extending device, especially a kind of multiple spot limit
Mechanical extending device.
Background technique
Currently, the furniture of many chaise longues, sofa etc. can all be equipped with mechanical extending device, pacify on the mechanical extending device
Filling backrest, cushion and leg-placing plate, mechanical extending device is usually the combination of various mechanical fasteners, which is that can grasp
Independent movement and the tensile leg rest assembly of lying down in order to provide various comfortable performances, such as seat assemblies made
Actuating and relevant chair frame tumble.
Through retrieving, as Chinese patent literature disclose a kind of double drive mechanical extending device [application number:
201510170041.X；Publication number: CN 104770999A].This double drive mechanical extending device, it is characterised in that: including stretching
Mechanism, driving assembly A, driving assembly B and pedestal are opened up, there are two the extension means, and two extension means mirror settings are the bottom of at
The left and right sides of seat；The extension means include backrest module, support component and footrest component, the support component lower end and bottom
Seat is hinged, and the rear end of backrest module and support component is hinged, and the front end of footrest component and support component is hinged；The driving component
A includes the drive link A connecting with two footrest component rear ends, flexible power mechanism A and connect with two support component rear ends
Drive link C, the both ends of the flexible power mechanism A are hinged with drive link A, drive link C respectively；The driving component
B includes the drive link B connecting with two support component front ends and flexible power mechanism B, the both ends flexible power mechanism B point
It is not hinged with drive link B, pedestal.
Although mechanical extending device adjustable range disclosed in the patent is wider, the mechanical extending device is using biography
The limit method of system, functional frame are easy to appear shaking during being unfolded or packing up, and stability is poor, therefore, design one kind
The mechanical extending device of multiple spot limit is necessary.
Summary of the invention
The purpose of this utility model is the presence of the above problem in view of the prior art, proposes a kind of machinery of multiple spot limit
Extending apparatus, the mechanical extending device have the characteristics that stability is good.
The purpose of this utility model can be realized by the following technical scheme: a kind of mechanical extending device of multiple spot limit,
Including pedestal, be provided with functional frame on pedestal, functional frame includes leg structure, portions structure and back structures, leg structure with
Portions structure is connected, and portions structure is connected with back structures, and leg structure includes front connector, and portions structure includes installation
Side plate and leg drive connection part, back structures include back rest and rear connectors, and installation side plate is set on the base, and install side
One end of plate and the rotation connection of one end of front connector, the other end of front connector are connected with base rotation, installation side plate it is another
One end and back rest rotation connection, the one end at back rest middle part and rear connectors, the other end of rear connectors and leg driving connect
The other end of fitting is rotatablely connected, one end of leg drive connection part and the middle part rotation connection of front connector, which is characterized in that
Position limiting structure is additionally provided in the functional frame, position limiting structure includes the first locating part, the second locating part and third locating part, the
The middle part of front connector is arranged in one locating part, and leg drive connection part can lean with the first locating part, the second locating part
It is arranged on the other end of installation side plate, and leg drive connection part can lean with the second locating part, the setting of third locating part
At the middle part of back rest, and rear connectors can lean with third locating part.
Using the above structure, during functional frame switches between three appearance of sitting posture, TV appearance and lying posture, it is in sitting posture
When, the first locating part leans with leg drive connection part, limits the position of leg drive connection part, and third locating part connects with after
Fitting leans, and limits the position of rear connectors, prevents backrest when sitting posture from shaking；When in TV appearance, the second locating part and leg
Drive connection part leans, and limits the position of leg drive connection part, prevents TV appearance from opening squat point and continues to sink；In lying posture
When, third locating part leans with rear connectors, limits the position of rear connectors, guarantees reaching by angle to making for sofa backrest
The position of the most comfortable for user, to guarantee that each state has preferable stability, stability when sitting posture, TV appearance, lying posture
It is good.
First locating part includes limit sleeve one, and limit sleeve one is by rivet interlacement at the middle part of front connector.
Using the above structure, limit sleeve one can be connected in front connector, and can relatively rotated between the two.
Second locating part includes limit sleeve two, and limit sleeve two is by rivet interlacement on the other end of installation side plate.
Using the above structure, limit sleeve two can be connected in installation side plate, and can relatively rotated between the two.
The third locating part includes spacer pin, and spacer pin is threadedly attached in the middle part of back rest.
It uses with upper type, spacer pin can be connected in back rest, and the two fastness is higher.
As another situation, the third locating part includes spacer pin, and spacer pin is fixed by welding in back rest
Middle part.
It uses with upper type, spacer pin can be connected in back rest, and the two fastness is higher.
Compared with prior art, the mechanical extending device of this multiple spot limit has the advantages that this:
During functional frame switches between three appearance of sitting posture, TV appearance and lying posture in the utility model, it is in sitting posture
When, the first locating part leans with leg drive connection part, limits the position of leg drive connection part, and third locating part connects with after
Fitting leans, and limits the position of rear connectors, prevents backrest when sitting posture from shaking；When in TV appearance, the second locating part and leg
Drive connection part leans, and limits the position of leg drive connection part, prevents TV appearance from opening squat point and continues to sink；In lying posture
When, third locating part leans with rear connectors, limits the position of rear connectors, guarantees reaching by angle to making for sofa backrest
The position of the most comfortable for user, to guarantee that each state has preferable stability, stability when sitting posture, TV appearance, lying posture
It is good.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model.
Fig. 2 is front schematic view when the utility model functional frame collapses completely.
Fig. 3 is front schematic view when the utility model functional frame is the partially unfolded.
Fig. 4 is front schematic view when the utility model functional frame is fully deployed.
Fig. 5 is the schematic perspective view of headrest adjusting mechanism in the utility model.
Fig. 6 is the schematic perspective view that the utility model removes part.
Fig. 7 is the schematic perspective view of driving structure in the utility model.
In figure, 1, pedestal；2, the second locating part；3, rear connectors；4, third locating part；5, back rest；6, leg drives
Connector；7, the first locating part；8, front connector；9, installation side plate；11, installing frame；12, bolt；13, drive rod；13a, add
Gu portion；14, main swing component；15, side connector；16, from swing component；17, head rest plate；18, push-rod electric machine；19, head rest connector；
20, supporting plate.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Fig. 1-Fig. 7, the mechanical extending device of this multiple spot limit, including pedestal 1 is provided with functional frame on pedestal 1,
In the present embodiment, the prior art can be used in functional frame, can be realized by manual or electronic mode thirdly cutting between appearance
It changes；Functional frame includes that leg structure, portions structure and back structures, leg structure are connected with portions structure, portions structure with
Back structures are connected, and leg structure includes front connector 8, and portions structure includes installation side plate 9 and leg drive connection part 6,
Back structures include back rest 5 and rear connectors 3, and installation side plate 9 is arranged on pedestal 1, one end of installation side plate 9 and preceding connection
One end of part 8 is rotatablely connected, the other end and pedestal 1 rotation connection of front connector 8, the other end and back rest 5 of installation side plate 9
Rotation connection, the one end at back rest 5 middle part and rear connectors 3, the other ends of rear connectors 3 and leg drive connection part 6 it is another
One end rotation connection, one end of leg drive connection part 6 and the middle part of front connector 8 are rotatablely connected, and are additionally provided in functional frame
Position limiting structure, position limiting structure include the first locating part 7, the second locating part 2 and third locating part 4, and the first locating part 7 is arranged preceding
The middle part of connector 8, and leg drive connection part 6 can lean with the first locating part 7, the setting of the second locating part 2 is in installation side
On the other end of plate 9, and leg drive connection part 6 can lean with the second locating part 2, and third locating part 4 is arranged in back rest 5
Middle part, and rear connectors 3 can lean with third locating part 4.
Using the structure, during functional frame switches between three appearance of sitting posture, TV appearance and lying posture, it is in sitting posture
When, the first locating part 7 leans with leg drive connection part 6, limit leg drive connection part 6 position, third locating part 4 with
Rear connectors 3 lean, and limit the position of rear connectors 3, prevent backrest when sitting posture from shaking；When in TV appearance, the second locating part 2
It leans with leg drive connection part 6, limits the position of leg drive connection part 6, prevent TV appearance from opening squat point and continue to sink；
When in lying posture, third locating part 4 leans with rear connectors 3, limits the position of rear connectors 3, guarantees leaning on for sofa backrest
Angle reaches the position of the most comfortable for user, to guarantee that each state has preferable steady when sitting posture, TV appearance, lying posture
Qualitative, stability is good；Sitting posture is that functional frame is packed up, and TV appearance is that functional frame is the partially unfolded, and lying posture is that functional frame is opened up completely
It opens.
First locating part 7 includes limit sleeve one, and limit sleeve one is by rivet interlacement at the middle part of front connector 8.
Using the structure, limit sleeve one can be connected in front connector 8, and can relatively rotated between the two.
Second locating part 2 includes limit sleeve two, and limit sleeve two is by rivet interlacement on the other end of installation side plate 9.
Using the structure, limit sleeve two can be connected in installation side plate 9, and can relatively rotated between the two.
Third locating part 4 includes spacer pin, and spacer pin is threadedly attached in the middle part of back rest 5.
Using which, spacer pin can be connected in back rest 5, and the two fastness is higher.
Certainly, according to the actual situation, this kind of scheme can also be used, third locating part 4 includes spacer pin, and spacer pin passes through
It is weldingly fixed on the middle part of back rest 5.
Using which, spacer pin can be connected in back rest 5, and the two fastness is higher.
Back rest 5 is also connected with installing frame 11, and headrest adjusting mechanism is provided on installing frame 11, and headrest adjusting mechanism includes
Head rest plate 17, head rest connector 19, main swing component 14, from swing component 16 and side connector 15,19 upper end of head rest connector and head
Backup plate 17 is connected, and in the present embodiment, 19 upper end of head rest connector is connected with 17 end of head rest plate by bolted connection；
It is hinged in the middle part of head rest connector 19 and from 16 upper end of swing component, is hinged from 16 lower end of swing component and side connector 15, side connects
Fitting 15 is connected with installing frame 11, and in the present embodiment, side connector 15 is by way of rivet interlacement and 11 side of installing frame
It is connected；19 lower end of head rest connector is connected with main 14 upper end of swing component, and main 14 lower end of swing component and side connector 15 are hinged, and
Head rest connector 19, main swing component 14, side connector 15 and from swing component 16 4 formed a quadrilateral structure, main swing component
14 driving structures that also it can be driven to swing back and forth with one are connected；In the present embodiment, head rest connector 19, main swing component 14,
It is two groups from the quantity of swing component 16 and side connector 15.
Driving structure includes drive rod 13 and push-rod electric machine 18, and push-rod electric machine 18 is hinged on installing frame 11, and push rod electricity
Machine 18 is located at 17 lower section of head rest plate, and the push rod of push-rod electric machine 18 is vertically arranged, the push rod of drive rod 13 lower end and push-rod electric machine 18
End is connected, and 13 upper end of drive rod and main swing component 14 are hinged；In the present embodiment, the quantity of driving structure is two groups.
Power at push-rod electric machine 18 can effectively be passed to by the effect of drive rod 13 by main pendulum using the structure
Moving part 14.
13 lower end of drive rod is connected by two bolts 12 with the push rod end of push-rod electric machine 18.
Using the structure, the push rod of drive rod 13 and push-rod electric machine 18 can be firmly connected to one by two bolts 12
It rises, meanwhile, it also can avoid relatively rotating between the two, connection is reliable.
Also there is reinforcing portion 13a on drive rod 13.
Using the structure, local stiffening can be carried out to drive rod 13 by reinforcing portion 13a, to promote the whole of drive rod 13
Body stress performance.
The supporting plate 20 limited for push-rod electric machine 18 is additionally provided on installing frame 11, and supporting plate 20 is L-shaped, 20 upper end of supporting plate
It is connected with installing frame 11, in the present embodiment, 20 upper end of supporting plate is connected by way of rivet interlacement with installing frame 11；Supporting plate 20
Lower end be positive stop end, and the fuselage of push-rod electric machine 18 can be in contact with positive stop end.
Using the structure, is limited when can be worked push-rod electric machine 18 by supporting plate 20, make the fuselage of push-rod electric machine 18
It is swung in normal range.
Using the structure, the push rod for controlling push-rod electric machine 18 is moved up and down, and the push rod of push-rod electric machine 18 drives drive rod 13
It moves up and down, drive rod 13 drives main swing component 14 to swing back and forth, and under the action of main swing component 14 is with from swing component 16, makes head
It swinging back and forth by connector 19, head rest connector 19 drives head rest plate 17 to swing back and forth, and head rest plate 17 is adjusted and arrives required position,
To can preferably support on the head of spectators by head rest plate 17, it is applicable to the use demand of different spectators.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (5)
1. a kind of mechanical extending device of multiple spot limit, including pedestal, it is provided with functional frame on pedestal, functional frame includes leg knot
Structure, portions structure and back structures, leg structure are connected with portions structure, and portions structure is connected with back structures, leg
Structure includes front connector, and portions structure includes installation side plate and leg drive connection part, and back structures include back rest with after
Connector, installation side plate are set on the base, one end of installation side plate and one end rotation connection of front connector, front connector
The other end is connected with base rotation, the other end and the back rest rotation connection of installation side plate, back rest middle part and rear connectors
The other end rotation connection of one end, the other ends of rear connectors and leg drive connection part, one end of leg drive connection part and
The middle part of front connector is rotatablely connected, which is characterized in that is additionally provided with position limiting structure in the functional frame, position limiting structure includes the
One locating part, the second locating part and third locating part, the middle part of front connector is arranged in the first locating part, and leg is drivingly connected
Part can lean with the first locating part, and the second locating part is arranged on the other end of installation side plate, and leg drive connection part energy
It leans with the second locating part, the middle part of back rest is arranged in third locating part, and rear connectors can offset with third locating part
It leans on.
2. the mechanical extending device of multiple spot according to claim 1 limit, which is characterized in that first locating part includes
Limit sleeve one, limit sleeve one is by rivet interlacement at the middle part of front connector.
3. the mechanical extending device of multiple spot according to claim 1 limit, which is characterized in that second locating part includes
Limit sleeve two, limit sleeve two is by rivet interlacement on the other end of installation side plate.
4. the mechanical extending device of multiple spot according to claim 1 limit, which is characterized in that the third locating part includes
Spacer pin, spacer pin are threadedly attached in the middle part of back rest.
5. the mechanical extending device of multiple spot according to claim 1 limit, which is characterized in that the third locating part includes
Spacer pin, spacer pin are fixed by welding in the middle part of back rest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820636301.7U CN208837379U (en) | 2018-04-28 | 2018-04-28 | A multi-point limit mechanical stretching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820636301.7U CN208837379U (en) | 2018-04-28 | 2018-04-28 | A multi-point limit mechanical stretching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208837379U true CN208837379U (en) | 2019-05-10 |
Family
ID=66351405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820636301.7U Expired - Fee Related CN208837379U (en) | 2018-04-28 | 2018-04-28 | A multi-point limit mechanical stretching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208837379U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108402744A (en) * | 2018-04-28 | 2018-08-17 | 浙江飞力科技股份有限公司 | A kind of mechanical extending device of multiple spot limit |
-
2018
- 2018-04-28 CN CN201820636301.7U patent/CN208837379U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108402744A (en) * | 2018-04-28 | 2018-08-17 | 浙江飞力科技股份有限公司 | A kind of mechanical extending device of multiple spot limit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314403 No. 30, Fenghuang Road, Dingqiao Town, Haining City, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Feili Technology Co.,Ltd. Address before: 314403 No. 30, Fenghuang Road, Dingqiao Town, Haining City, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG FEILI TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190510 |