CN201550937U - Double spring waist straightening mechanism of sofa frame - Google Patents
Double spring waist straightening mechanism of sofa frame Download PDFInfo
- Publication number
- CN201550937U CN201550937U CN2009201192677U CN200920119267U CN201550937U CN 201550937 U CN201550937 U CN 201550937U CN 2009201192677 U CN2009201192677 U CN 2009201192677U CN 200920119267 U CN200920119267 U CN 200920119267U CN 201550937 U CN201550937 U CN 201550937U
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- China
- Prior art keywords
- waist
- frame
- sides
- spring
- sofa
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- Expired - Fee Related
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Abstract
The utility model discloses a double spring waist straightening mechanism of a sofa frame, which comprises a backrest frame and a cushion frame. The backrest frame and the cushion frame are respectively provided with an extension spring, the rear ends of two sides of the cushion frame are movably connected with the lower portions of two sides of the backrest frame, and the middle portions of the two sides of the cushion frame are fixedly connected to the front end of an expansion rod of the front portion of a main framework; the middle portions of the two sides of the backrest frame are respectively provided with a pin, the outer sides of the pins are connected to an end of a support rod in the rear portion of the main framework, the inner sides of the pins are fixedly connected with bent iron sheets, and waist straightening spring steel wires are connected to the lower portions of the bent iron sheets and provided with waist straightening springs at positions corresponding to the backrest frame. The mechanism has the advantages of capabilities of supporting and straightening a human waist portion when a user sits up, and a relatively smooth surface when the user lies down, thereby feeling relatively comfortable both in sitting up or lying down.
Description
Technical field
The utility model relates to the frame mechanism of a kind of sofa or chair, specifically, is that a kind of sofa or chair frame dual spring are endured waist mechanism.
Background technology
Sofa or chair are the seat tools that people love, and are widely used for family, hotel, meeting room and office space.According to the principle of human body process, when human body when sitting up straight for a long time, in order to eliminate the fatigue of waist, sofa or chair should have a cambered surface that holder is endured to the human body waist, when human body couches, then need the comparison even curface.Prior art sofa or chair lack and satisfy two kinds of above-mentioned demand mechanisms on same sofa or chairs, can think that waist is very tired, serious so sit up straight for a long time, and the refreshing muscle pathology of lumbar muscle strain and ischium can take place.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of and can satisfy on same sofa or chair: have the cambered surface that holder is endured to the human body waist when human body is sat up straight; The sofa or the chair that have the comparison flat surface when human body couches have the framework that dual spring is endured waist mechanism.
The utility model sofa frame dual spring is endured the technical scheme of waist mechanism, comprise back frame and cushion frame, back frame and cushion frame have extension spring, the bottom of the rear end of cushion frame both sides and back frame both sides flexibly connects, the middle part of cushion frame both sides is fixedly connected on the front end of the expansion link of main framing front portion, the middle part of back frame both sides is provided with pin, the outside of pin is connecting the termination of the support bar at main framing rear portion, inboard fixedly connected the bending iron plate of pin, the bottom of described bending iron plate is connecting endures the waist spring steel wire, and very the corresponding back frame of waist spring steel wire place has very waist spring.
Described very waist spring steel wire has projection near place, back frame both sides, and described very waist spring has fixed cover corresponding to the prominence.The junction of described pin and termination is up-small and down-big joinery and its construction.
The beneficial effect that the utility model sofa frame dual spring is endured waist mechanism is, back frame place at existing sofa or chair, set up dual spring holder jimcrow structure to the human body waist, when sitting up straight, human body can to the holder of human body waist very when human body couches, can have the comparison even curface.No matter be to sit up straight or couch to feel more comfortable.
Description of drawings
Fig. 1 is that the utility model sofa frame dual spring is endured the front view of waist mechanism;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is that the utility model sofa frame dual spring is endured the schematic diagram of waist mechanism when human body couches;
Fig. 4 is that A among Fig. 2 is to view;
Fig. 5 is the vertical view of Fig. 4;
Fig. 6 is along the cutaway view of C-C tangent plane among Fig. 4;
Fig. 7 is that B among Fig. 3 is to view;
Fig. 8 is the vertical view of Fig. 7;
Fig. 9 is along the cutaway view of D-D tangent plane among Fig. 7;
Figure 10 is the enlarged drawing at I place among Fig. 4;
Figure 11 is that E among Figure 10 is to view;
Figure 12 is along the profile of F-F tangent plane among Figure 11.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model sofa frame dual spring is endured waist mechanism be further described.
Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, sofa frame dual spring shown in Figure 12 is endured waist mechanism, comprise back frame 5 and cushion frame 22, back frame 5 and cushion frame 22 have extension spring 28, the bottom of the rear end of cushion frame 22 both sides and back frame 5 both sides flexibly connects, the middle part of cushion frame 22 both sides is fixedly connected on the front end of the expansion link 17 of main framing 12 front portions, the middle part of back frame 5 both sides is provided with pin 9, the outside of pin 9 is connecting the termination 39 of the support bar 25 at main framing 12 rear portions, inboard fixedly connected the bending iron plate 7 of pin 9, the bottom of described bending iron plate 7 is connecting endures waist spring steel wire 10, very waist spring steel wire 10 corresponding back frames 5 places have very waist spring 8, described very waist spring steel wire 10 has projection 41 near place, back frame 5 both sides, and described very waist spring 8 has fixed cover (23) corresponding to projection 41 places.Described pin (9) is up-small and down-big joinery and its construction with the junction of termination (39).
When human body was sat up straight, very the projection 41 of waist spring steel wire 10 was withstood the very fixed cover 23 of waist spring 8, and very waist spring 8 has formed the arc that meets the human body process, can be to the holder of human body waist very.
When back frame 5 to when layback, back frame 5 be the center rotation with pin 9, and the angle of pin 9, bending iron plate 7 does not change, the very projection 41 of waist spring steel wire 10 and very waist spring 8 disengagings, back frame 5 just becomes even curface.
So, on same sofa or chair, realized sitting up straight or couched and all felt more comfortable state.
Claims (5)
1. a sofa frame dual spring is endured waist mechanism, comprise back frame (5) and cushion frame (22), back frame (5) and cushion frame (22) have extension spring (28), the bottom of the rear end of cushion frame (22) both sides and back frame (5) both sides flexibly connects, the middle part of cushion frame (22) both sides is fixedly connected on the front end of the anterior expansion link (17) of main framing (12), the middle part of back frame (5) both sides is provided with pin (9), the outside of pin (9) is connecting the termination (39) of the support bar (25) at main framing (12) rear portion, inboard fixedly connected the bending iron plate (7) of pin (9), it is characterized in that, the bottom of described bending iron plate (7) is connecting endures waist spring steel wire (10), and very the corresponding back frame of waist spring steel wire (10) (5) locates to have very waist spring (8).
2. sofa frame dual spring according to claim 1 is endured waist mechanism, it is characterized in that, described very waist spring steel wire (10) has projection (41) near place, back frame (5) both sides.
3. sofa frame dual spring according to claim 2 is endured waist mechanism, it is characterized in that, described very waist spring (8) locates to have fixed cover (23) corresponding to projection (41).
4. sofa frame dual spring according to claim 2 is endured waist mechanism, it is characterized in that, described very waist spring (8) locates to have fixed cover (23) corresponding to projection (41).
5. sofa frame dual spring according to claim 1 is endured waist mechanism, it is characterized in that, described pin (9) is up-small and down-big joinery and its construction with the junction of termination (39).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201192677U CN201550937U (en) | 2009-05-05 | 2009-05-05 | Double spring waist straightening mechanism of sofa frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201192677U CN201550937U (en) | 2009-05-05 | 2009-05-05 | Double spring waist straightening mechanism of sofa frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201550937U true CN201550937U (en) | 2010-08-18 |
Family
ID=42610611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201192677U Expired - Fee Related CN201550937U (en) | 2009-05-05 | 2009-05-05 | Double spring waist straightening mechanism of sofa frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201550937U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110974596A (en) * | 2018-05-30 | 2020-04-10 | 宁波秉航电子科技有限公司 | Massage chair frame structure |
-
2009
- 2009-05-05 CN CN2009201192677U patent/CN201550937U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110974596A (en) * | 2018-05-30 | 2020-04-10 | 宁波秉航电子科技有限公司 | Massage chair frame structure |
| CN110974596B (en) * | 2018-05-30 | 2022-06-17 | 宁波秉航科技集团有限公司 | Massage chair frame structure |
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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: 20100818 Termination date: 20130505 |