CN202154350U - Sofa backrest connecting device - Google Patents
Sofa backrest connecting device Download PDFInfo
- Publication number
- CN202154350U CN202154350U CN2011201778464U CN201120177846U CN202154350U CN 202154350 U CN202154350 U CN 202154350U CN 2011201778464 U CN2011201778464 U CN 2011201778464U CN 201120177846 U CN201120177846 U CN 201120177846U CN 202154350 U CN202154350 U CN 202154350U
- Authority
- CN
- China
- Prior art keywords
- backrest
- connecting rod
- sofa
- toothed disc
- axle sleeve
- 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 relates to a sofa backrest connecting device, which comprises a fixing seat, a connecting rod and a backrest fastening seat. The fixing seat is fixed on a sofa, one end of the connecting rod is inserted on the fixing seat, and the backrest fastening seat is hinged at the other end of the connecting rod. The sofa backrest connecting device is characterized in that the fixing seat comprises a shaft sleeve and a clamp sleeve, the shaft sleeve is sleeved on the connecting rod, the clamp sleeve is sleeved on the shaft sleeve, a limiting flange is disposed on the inner wall of the shaft sleeve, the connecting rod is provided with a plurality of limiting grooves matching with the limiting flange, a gear wheel is arranged at one end, which is connected with the backrest fastening seat, on the connecting rod, the backrest fastening seat comprises a fastening part, a pawl and a clamp spring, the fastening part is fixed on a backrest, the pawl and the clamp spring are hinged onto the fastening part, and the pawl matches with the gear wheel. The height and the angle of the backrest of the sofa can be simultaneously adjusted via a simpler mechanical structure, and the sofa backrest connecting device can meet various service requirements and achieves a multipurpose effect.
Description
Technical field
The utility model belongs to field of furniture, particularly a kind of sofa backrest jockey.
Background technology
Sofa has played important effect as a kind of furniture in people's life, no matter be to beautify home environment, still for people provide comfortable rest environment, all be indispensable a kind of furniture.In life staying idle at home, no matter be stay at home amusements or have a rest of people, all like using the comfortable furniture of this softness of sofa, sofa has backrest, is sitting in can lean against on the sofa on the backrest cosily to have a rest.Because different people has different height, the height of sofa backrest can not satisfy proprietary requirement fully.In addition, traditional sofa only plays the effect that replaces chair, and the backrest of couch is fixed on the sofa; People can only be seated in use and lean against on the sofa; When if people want to lie down rest, just sofa can not play a role, in the allegro in modern times life; One-object-many-purposes is people's needs, and the multiple use of sofa also is the problem that needs solution.
The utility model content
In view of above defective, the utility model spy proposes a kind of sofa backrest jockey, not only can play the use of conventional sofa, can also regulate the sofa backrest, realizes different use, reaches the purpose of one-object-many-purposes.
The technical scheme that the utility model adopts is following: sofa backrest jockey, comprise the holder that is fixed on the sofa, and an end is plugged in the connecting rod on the holder; And the fastening seat of the backrest that is articulated in the connecting rod other end; It is characterized in that said holder comprises the axle sleeve that is sheathed on the connecting rod, be sheathed on the cutting ferrule on the axle sleeve; Have defining flange on the said sleeve lining, have a plurality of stopper slots that cooperate with defining flange on the said connecting rod; An end that is connected with the fastening seat of backrest on the said connecting rod has toothed disc, and the fastening seat of said backrest comprises the securing member that is fixed on the backrest, and is articulated in ratchet and jump ring on the securing member, and said ratchet matches with said toothed disc.
Preferably, said cutting ferrule comprises the lock nut and locking double-screw bolt through threaded engagement, and the locking screw column sleeve is located on the axle sleeve.
Preferably, also be hinged with cam on the said toothed disc, have claw on the said cam with click-fit.
Preferably, said stopper slot is arranged on the connecting rod by preset space length.
The sofa backrest jockey of the utility model; Stopper slot is set on connecting rod; Holder is designed to the locking mechanism that cooperates with stopper slot, can adjusts the height of sofa backrest, stopper slot is designed to a plurality ofly arrange by preset space length; Can be at the height of a plurality of gear adjustment sofa backrests, the people who satisfies different heights uses or different instructions for uses.In addition, through toothed disc is set on connecting rod, the fastening seat of backrest is gone up the hinged ratchet of the design location of matching; Make the sofa backrest to rotate and to locate, when people use, can the sofa backrest be turned to the angle that needs and use again; Both can sofa be used as bed and overlie, also can sofa be become chaise longue and tiltedly be recumbent on a sofa, more comfortable rest mode is provided to people; Reach the sofa variation is used, realized the purpose of one-object-many-purposes.
Description of drawings
Fig. 1 is the sketch map of the utility model;
Fig. 2 is the structural representation of the utility model.
Reference numeral
The fastening seat of 1----holder 2----connecting rod 3----4----axle sleeve
5----cutting ferrule 6----defining flange 7----stopper slot 8----toothed disc
9----securing member 10----ratchet 11----jump ring 12----lock nut
13----locking double-screw bolt 14----cam 15----claw
The specific embodiment
The utility model is a kind of sofa backrest jockey, and is as shown in Figure 1, and it comprises the holder 1 that is fixed on the sofa; One end is plugged in the connecting rod 2 on the holder 1, and the fastening seat 3 of backrest that is connected in connecting rod 2 other ends, shown in below among Fig. 2; Said holder 1 comprises the axle sleeve 4 that is sheathed on the connecting rod 2; Be sheathed on the cutting ferrule 5 on the axle sleeve 4, have defining flange 6 on said axle sleeve 4 inwalls, have a plurality of stopper slots 7 that cooperate with defining flange 6 on the said connecting rod 2.After the assembling, connecting rod 2 is inserted in the axle sleeve 4, and defining flange 6 is entrapped in the stopper slot 7, and cutting ferrule 5 is stuck in axle sleeve 4 outer surfaces, and defining flange 6 can not deviate from stopper slot 7, in this way connecting rod 2 is positioned on the holder 1.When needs are regulated backrest height, unclamp cutting ferrule 5 defining flange 6 is deviate from stopper slot 7, then backrest is moved to suitable height; Certainly connecting rod 2 also moves with backrest; And then locking axle sleeve 4, make defining flange 6 snap in the stopper slot 7 here, promptly accomplish the operation of adjustment backrest height.Shown in Fig. 2 top; An end that is connected with the fastening seat 3 of backrest on the said connecting rod 2 has toothed disc 8; The fastening seat 3 of said backrest comprises the securing member 9 that is fixed on the backrest, and is articulated in ratchet 10 and jump ring 11 on the securing member 9, and said ratchet 10 matches with said toothed disc 8.Two hinge holes are arranged on the securing member 9; Toothed disc 8 on the connecting rod 2 is articulated in the hinge hole of below; Hinge hole above ratchet 10 is articulated in jump ring 11, after installing, ratchet 10 is just grabbed on toothed disc 8; Jump ring 11 compresses ratchet 10 makes ratchet 10 hold on to toothed disc 8, stops toothed disc 8 to rotate.When needing the adjustment angle; Pulling jump ring 11 makes ratchet 10 from toothed disc 8 disengagements toothed disc 8 relative securing members 9 rotated; After turning to proper angle, unclamp jump ring 11; Ratchet 10 resets and regains one's grip on toothed disc 8 and position under jump ring 11 elastic force, can regulate the angle of backrest in this way.
In order to make the more convenient to operate of up-down backrest, said cutting ferrule 5 can be designed to comprise the lock nut 12 and locking double-screw bolt 13 through threaded engagement that locking double-screw bolt 13 is sheathed on the axle sleeve 4.Rotational lock nut 12 makes locking double-screw bolt 13 axle sleeve 4 of holding with a firm grip, and the defining flanges 6 in the axle sleeve 4 more securely are stuck in the stopper slot 7; When reverse rotation lock nut 12 made locking double-screw bolt 13 unclamp axle sleeve 4, the defining flange 6 in the axle sleeve 4 can be deviate from stopper slot 7, the convenient adjusting.In order to make backrest adjusting angle more easily, also be hinged with cam 14 on the said toothed disc 8, have the claw 15 that cooperates with ratchet 10 on the said cam 14.Stir cam 14, the claw 15 on the cam 14 is provoked ratchet 10, makes ratchet 10 unclamp toothed disc 8, can adjusting angle; After cam 14 was resetted, the claw 15 on the cam 14 can be provoked ratchet 10 to the position of catching toothed disc 8, and the elastic force of jump ring 11 also can assist ratchet 10 to reset simultaneously.For the height that makes backrest satisfies multiple requirement, said stopper slot 7 is arranged on the connecting rod 2 by preset space length, and each stopper slot 7 can both be realized a height, and a plurality of stopper slots 7 can be realized a plurality of height.
The utility model can be adjusted the height and the angle of sofa backrest simultaneously through comparatively simple frame for movement, can satisfy multiple use needs, reaches the effect of one-object-many-purposes.
Claims (4)
1. sofa backrest jockey comprises the holder that is fixed on the sofa, and an end is plugged in the connecting rod on the holder; And the fastening seat of the backrest that is articulated in the connecting rod other end; It is characterized in that said holder comprises the axle sleeve that is sheathed on the connecting rod, be sheathed on the cutting ferrule on the axle sleeve; Have defining flange on the said sleeve lining, have a plurality of stopper slots that cooperate with defining flange on the said connecting rod; An end that is connected with the fastening seat of backrest on the said connecting rod has toothed disc, and the fastening seat of said backrest comprises the securing member that is fixed on the backrest, and is articulated in ratchet and jump ring on the securing member, and said ratchet matches with said toothed disc.
2. sofa backrest jockey according to claim 1 is characterized in that, said cutting ferrule comprises the lock nut and locking double-screw bolt through threaded engagement, and the locking screw column sleeve is located on the axle sleeve.
3. sofa backrest jockey according to claim 1 is characterized in that, also is hinged with cam on the said toothed disc, has the claw with click-fit on the said cam.
4. sofa backrest jockey according to claim 1 is characterized in that said stopper slot is arranged on the connecting rod by preset space length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201778464U CN202154350U (en) | 2011-05-30 | 2011-05-30 | Sofa backrest connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201778464U CN202154350U (en) | 2011-05-30 | 2011-05-30 | Sofa backrest connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202154350U true CN202154350U (en) | 2012-03-07 |
Family
ID=45762006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201778464U Expired - Fee Related CN202154350U (en) | 2011-05-30 | 2011-05-30 | Sofa backrest connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202154350U (en) |
-
2011
- 2011-05-30 CN CN2011201778464U patent/CN202154350U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120307 Termination date: 20120530 |