CN201585712U - Sofa with telescopic leg structure - Google Patents
Sofa with telescopic leg structure Download PDFInfo
- Publication number
- CN201585712U CN201585712U CN2009203141580U CN200920314158U CN201585712U CN 201585712 U CN201585712 U CN 201585712U CN 2009203141580 U CN2009203141580 U CN 2009203141580U CN 200920314158 U CN200920314158 U CN 200920314158U CN 201585712 U CN201585712 U CN 201585712U
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- CN
- China
- Prior art keywords
- couch
- travelling carriage
- guide rail
- leg
- sofa
- 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.)
- Expired - Fee Related
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model discloses a sofa with an electric-operated telescopic leg structure, on which people can sit more comfortably. The sofa is characterized in that a sofa seat frame and seat legs are included; a set of telescopic leg structure is arranged between the seat legs; the leg structure comprises an electric push rod arranged on the seat frame, a driving mechanism connected with the end part of the electric push rod, a sliding frame connected with the driving mechanism, a guide rail and a guide rail bracket which are matched with the sliding frame, a drawstring connected with the guide rail frame, a rotatable leg mat connected with the other end of the drawstring and provided with a return torsional spring, a foot mat arranged at the front end of a bracket and provided with another return torsional spring, and an electric cabinet. The leg mat and the foot mat arranged in the front of the sofa enables people to sit on the sofa more comfortably; the leg structure can be unfolded for use when pushed out, and occupies no space when gathered up; a parallel four bar mechanism is utilized to stretch the leg structure quickly; and the electric push rod and the electrical control gear are adopted to achieve convenient maneuvering.
Description
Technical field
The utility model relates to a kind of structure of couch, but specifically relates to a kind of couch that is provided with the quick-expansion leg structure.
Background technology
The existing couch that is used to take one's seat, often too simple and easy on the structure of shank and foot, the shank and the foot of seated person can not be loosened, improved measure such as China Patent No. ZL200820107978.8, name is called in the couch of band shank pad and proposes, and is hinged with the shank pad in the body front of couch, and time spent shank pad is not stuck in the groove of couch body, during use the shank pad is opened, shank is placed on the shank pad to loosen.The structure of this invention is simple really, but effect is dissatisfactory naturally, particularly is inconvenient to use, and well imagines, will remove to move back and forth the shank pad with hand when taking one's seat, many troubles.
The utility model content
The utility model remedies the deficiencies in the prior art, and a kind of couch of scalable shank structure is provided, and improves the comfortableness of taking one's seat of couch.
The purpose of this utility model is achieved by following technical proposals: a kind of couch of scalable shank structure, contain the couch mounting that comprises the chair pin, but the utility model is provided with the leg structure of a cover quick-expansion between the chair pin, described leg structure is by the electric pushrod that is located on the mounting, the transmission mechanism that is connected with the push rod end of electric pushrod, the travelling carriage that is connected with transmission mechanism, be provided with the guide rail and the guide rail bracket that cooperate with travelling carriage, be connected in the drawstring on the guide rail bracket, in succession drawstring other end and be provided with the rotating leg pad of reduction torsion spring, the foot pad and the electric cabinet that are located at the support front end and are provided with reduction torsion spring constitute.
The easier mode of described transmission mechanism can be the pin of electric pushrod end and the direct pin joint of travelling carriage.
Described transmission mechanism also can be a connecting plate as connecting rod, an end of this connecting plate and the end pin joint of electric pushrod, the other end and travelling carriage pin joint.
The better mode of described transmission mechanism is to comprise a link and the telescoping mechanism hinged with link, and described telescoping mechanism is made up of the parallelogram lindage that contains two～four joints.
As preferably, described telescoping mechanism is made up of three joint parallelogram lindages.
On the midline position of described three joint parallelogram lindages, four hinged key seats are arranged, wherein first promptly is that a key seat in the end holding connects firmly the rear end at described mounting, the 4th promptly is hinged at foremost key seat and travelling carriage, and second or the 3rd key seat are then hinged with link.
As preferably, second key seat and the link of parallelogram lindage is hinged, select for use second key seat and link hinged, can increase the multiplication factor of parallelogram lindage, also just can shorten the push rod length of electric pushrod, can reduce cost.
The bearing of electric pushrod is fixedly connected on the rear side middle part of mounting, opening and stop by the electric cabinet control electric pushrod that is located at mounting right side or left side, if press start button, start electric pushrod, by driving link parallelogram lindage is stretched, the travelling carriage that promotes to be connected with parallelogram lindage travels forward along guide rail, extensile leg pad is released forward, after releasing certain distance, be subjected to the tractive of drawstring, the leg pad begins turning expansion around a rotating shaft, when the leg pad turn to desired location, travelling carriage touches the travel switch that is located at the guide rail bracket front end, and motor stops operating.Also can different outreach be set, thereby make mechanism adapt to the people's of different heights use needs by automatically controlled program.
If press SR, the motor counter-rotating, the travelling carriage withdrawal, drawstring loosens, and the leg pad resets gradually by the power of torsion spring, and during to desired location, travelling carriage touches the travel switch that is located at the guide rail bracket rear end, and motor stops operating, and whole leg structure restPoses.
Because how much amplifications of three joint parallelogram lindages, when second key seat reach, the 4th key seat also and then moves forward, and is 3 times of speed reaches with second key seat, and its stroke therefore can reach the effect of fast moving also than the identical multiple of stroke amplification of motor push rod.
Below the front end of travelling carriage, be provided with a support roller,, reduce the resistance of motion of travelling carriage simultaneously when travelling carriage can play balanced action when guide rail is put up the cantilever beam state stretching out.
Described foot pad is located at mounting foremost, but the rotating shaft of foot pad winding on mounting rotate, in this rotating shaft, also be provided with torsion spring, when seated person is pressed in pin on the foot pad, foot pad flattenings of overturning forward, after the pin of seated person left, foot pad relied on the torsion spring reinstatement.
The length setting of described drawstring should make travelling carriage can turn to described leg pad pulling the desired location of setting when just releasing outside the mounting.
Because the weight of travelling carriage is lighter, translational speed is slower, so the fit system of guide rail can adopt the guide rail that is slidingly matched.
Scheme is to be provided with to be no less than two roller on guide rail preferably, makes moving of travelling carriage lighter submissive.
Better scheme is to be provided with to be no less than two rolling bearing on guide rail.
The utility model has following beneficial effect compared with the prior art:
1. be provided with leg pad and foot pad, it is more comfortable to take one's seat, good for health;
2. application electric pushrod, compact conformation, control is convenient;
3. use parallelogram lindage as transmission mechanism, can realize the effect that quick and big stroke moves;
4. automatically controlled setting, motor-driven convenience.
Description of drawings
Fig. 1 is the left view of a kind of embodiment of the utility model;
Fig. 2 is the structural representation of the utility model four bar parallel mechanisms;
Fig. 3 is that the utility model embodiment leg structure launches schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiments the utility model is further described.
Embodiment: as shown in Figure 1, the extensile leg structure of one cover is set between the chair pin of couch mounting 1, described extensile leg structure by be located at electric pushrod 4 on the mounting 1, with hinged transmission mechanism, the travelling carriage 8 that is connected with transmission mechanism, the guide rail bracket 3 that is provided with the guide rail that cooperates with travelling carriage in the push rod end of electric pushrod, a drawstring 7 that is connected on the guide rail bracket is arranged, in succession the drawstring other end and be provided with the rotating leg pad 11 of reduction torsion spring 12, the foot pad 9 that is located at the mounting front end and is provided with reduction torsion spring 10 constitutes.
The move distance of travelling carriage is by the front travel switch and the back travel switch control that are located on the guide rail bracket.
The motor push rod is by electric cabinet 2 controls that are located at the mounting rear side.
The motor push rod is located at the rear side middle part of mounting, if press start button, electric pushrod starts, and travels forward along guide rail by be connected the travelling carriage that drives with transmission mechanism, and extensile leg pad is released forward, after releasing certain distance, be subjected to the tractive of drawstring, the leg pad begins turning expansion around a rotating shaft, when the leg pad turn to desired location, the travel switch action of front end, motor stops operating.Also can different outreach be set, thereby make mechanism adapt to the people's of different heights use needs by automatically controlled program.The leg pad is released and is launched later state as shown in Figure 3.
Described transmission mechanism comprises a link 6 and the parallelogram lindage 5 that contain three joints hinged with link.
As shown in Figure 2, on the center line of three joint parallelogram lindages, four hinged key seats are arranged, wherein first promptly is that the key seat of in the end holding 51 connects firmly in the rear end of described mounting 1, and the 4th promptly is hinged with travelling carriage at key seat 54 foremost, and second key seat 52 is then hinged with link.Because how much amplifications of three joint parallelogram lindages, when key seat 52 reaches, key seat 54 is and then reach also, and is 3 times of speed reaches with key seat 52, and its stroke also amplifies 3 times than the stroke of electric pushrod, therefore can produce the effect of fast moving.
If press SR, electric pushrod is oppositely return, the travelling carriage retraction, and drawstring loosens, and shank resets gradually by the power of torsion spring, during to desired location, the action of the travel switch of rear end, electric pushrod stops, and whole leg structure restPoses; Torsion spring has an arm to be located on the travel(l)ing rest.
Below the front end of travelling carriage, be provided with a support roller 18,, reduce the resistance of motion of travelling carriage simultaneously when travelling carriage can play balanced action when guide rail is put up the cantilever beam state stretching out.
Described foot pad is located at mounting foremost, and the foot pad middle part is provided with a rotating shaft and torsion spring, when seated person is pressed in pin in the foot, and foot's flattening of overturning forward, after the pin of seated person left, foot pad relied on torsion spring to restore to the original state; Torsion spring has an arm to be located on the adjustable shelf.
In Fig. 3, the travelling carriage desired location that moves to front, drawstring 7 is in tension, and the leg pad launches backward, and travelling carriage touches the front travel switch, and motor stops operating.
Leg pad and foot pad respectively are provided with the rotary spacing piece, when leg pad or foot pad turn to desired location, lean against on the limited block.Limited block is located on the travelling carriage, is provided with the slotted eye that can adjust the limited block position in the travelling carriage relevant position.
Two rollers are set on the guide rail, make moving of travelling carriage lighter submissive.
Each installs and fixes former and later two travel switches with a fixed head, and fixed head is provided with slotted eye, and the position that slotted eye can be convenient to adjust fixed head and travel switch is set.
The length setting of described drawstring should make travelling carriage can turn to described leg pad pulling the desired location of setting when just releasing outside the mounting.The length of drawstring leaves surplus, can adjust the angle of leg pad upset where necessary.
The guide rail of described guide rail bracket can be by the shaped steel manufacturing.
The utility model is provided with leg pad and foot pad before couch, make take one's seat more comfortable, good for health; Deployable application when leg structure is released, gathering does not then occupy; But utilization parallelogram lindage quick-expansion leg structure; And utilization electric pushrod and automatically controlled setting, motor-driven convenient and reliable.
Claims (9)
1. the couch of a scalable shank structure, contain the couch mounting that comprises the chair pin, it is characterized in that, the telescopic leg structure of one cover is set between the chair pin, described leg structure by be located at electric pushrod, the transmission mechanism, the travelling carriage that is connected with transmission mechanism that are connected with the push rod end of electric pushrod on the mounting, be provided with the guide rail and the guide rail bracket that cooperate with travelling carriage, be connected in drawstring on the guide rail bracket, in succession the drawstring other end and be provided with the rotating leg pad of reduction torsion spring, foot pad and the electric cabinet that is located at the support front end and is provided with reduction torsion spring constituted.
2. the couch of scalable shank structure according to claim 1 is characterized in that, described transmission mechanism is the end of electric pushrod and the pin of travelling carriage pin joint.
3. the couch of scalable shank structure according to claim 1 is characterized in that, described transmission mechanism is a connecting plate as connecting rod, an end of this connecting plate and the end pin joint of electric pushrod, the other end and travelling carriage pin joint.
4. the couch of scalable shank structure according to claim 1 is characterized in that, described transmission mechanism is to comprise a link and the telescoping mechanism hinged with link, and described telescoping mechanism is made up of the parallelogram lindage that contains two～four joints.
5. the couch of scalable shank structure according to claim 4 is characterized in that, described telescoping mechanism is made up of three joint parallelogram lindages.
6. the couch of scalable shank structure according to claim 5, it is characterized in that, on the center line of described three joint parallelogram lindages four hinged key seats are arranged, wherein first key seat connects firmly the rear end at described mounting, the 4th key seat and travelling carriage are hinged, and second or the 3rd key seat and link are hinged.
7. according to the couch of any described scalable shank structure in the claim 1～6, it is characterized in that, below the front end of travelling carriage, be provided with support roller.
8. according to the couch of any described scalable shank structure in the claim 1～6, it is characterized in that the middle part of described leg pad and foot pad respectively is provided with rotating shaft and torsion spring.
9. according to the couch of any described scalable shank structure in the claim 1～6, it is characterized in that guide rail is provided with and is no less than two roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203141580U CN201585712U (en) | 2009-11-06 | 2009-11-06 | Sofa with telescopic leg structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203141580U CN201585712U (en) | 2009-11-06 | 2009-11-06 | Sofa with telescopic leg structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201585712U true CN201585712U (en) | 2010-09-22 |
Family
ID=42745475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203141580U Expired - Fee Related CN201585712U (en) | 2009-11-06 | 2009-11-06 | Sofa with telescopic leg structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201585712U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102871397A (en) * | 2011-12-28 | 2013-01-16 | 嘉兴艾纳曼贸易有限公司 | Seat furniture device and metal component system thereof |
-
2009
- 2009-11-06 CN CN2009203141580U patent/CN201585712U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102871397A (en) * | 2011-12-28 | 2013-01-16 | 嘉兴艾纳曼贸易有限公司 | Seat furniture device and metal component system thereof |
| CN102871397B (en) * | 2011-12-28 | 2016-05-11 | 嘉兴艾纳曼贸易有限公司 | A kind of chair device and hardware system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100922 Termination date: 20141106 |
|
| EXPY | Termination of patent right or utility model |