CN201612356U - Sitting and lying folding chair - Google Patents
Sitting and lying folding chair Download PDFInfo
- Publication number
- CN201612356U CN201612356U CN2009203179253U CN200920317925U CN201612356U CN 201612356 U CN201612356 U CN 201612356U CN 2009203179253 U CN2009203179253 U CN 2009203179253U CN 200920317925 U CN200920317925 U CN 200920317925U CN 201612356 U CN201612356 U CN 201612356U
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- frame
- seat
- shaped
- handrail
- hinged
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Abstract
The utility model relates to a sitting and lying folding chair which can be turned over and has the sitting posture and the lying posture. The sitting and lying folding chair can solve the disadvantages of inconvenient use of a fixed rotary rod during the adjustment of the angle of a back frame in the prior art, and comprises the back frame, a sitting frame, a handrail frame, a leg frame and a leg support, wherein the bottom end of the back frame is hinged with the back end of the sitting frame, the front end of the sitting frame is hinged with the middle-upper part of the leg frame, the back end of the handrail frame is hinged with the middle-lower part of the back frame, the front end of the handrail frame is hinged with the upper end of the leg frame, the leg support is divided into a front U-shaped rod and a rear U-shaped rod, the tops of the front U-shaped rod and the rear U-shaped rod are hinged into a whole, a sliding locking mechanism is arranged below the handrail frame and is hinged with the top of the leg support, an L-shaped connecting rod which strides a rear U-shaped frame is connected between the sitting frame and a front U-shaped frame, and the short side of the L-shaped connecting rod is placed on the rear U-shaped frame. A handrail main rod and a handrail sliding block form a movement pair and simultaneously support the handrail frame, and racks on the lower surface of the handrail main rod and a brake block can be mutually engaged and disengaged under the common action of a wrench and a rotating wheel.
Description
Technical field
The utility model relates to a kind of folding seat, the seat that especially a kind of upset has sitting posture and the lying posture folding seat of lying.
Background technology
At present, existing folding seat generally all is used for sitting, but can not be used for lying, and therefore has only back of the body frame and seat, if it is also inconvenient because there is not the leg frame to use to want to lie.
Patent Office of the People's Republic of China has announced a CN2912367Y patent on June 20th, 2007, name is called the multifunctional folding chair frame, this chair frame is provided with chute below arm-rest frame, the front support rod of foot support and the top of back stay are hinged on the chute of arm-rest frame below, by one fixedly swing arm fix the position of top on chute of foot support, but fixedly the swing arm use is not too convenient, particularly when regulating back of the body frame angle.
Summary of the invention
The purpose of this utility model provides a kind of lying posture angle of regulating again can be as the seat of the seat folding seat of lying.
The utility model has solved in the prior art when regulating back of the body frame angle, and fixedly swing arm uses inconvenient shortcoming, provides a kind of tooth bar that uses to mesh the seat that the makes things convenient for adjusting angle folding seat of lying.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of seat folding seat of lying, comprise back of the body frame, seat, arm-rest frame, leg frame and foot support, the bottom of back of the body frame and the rear end of seat are hinged, the middle and upper part of the front end of seat and leg frame is hinged, the rear end of arm-rest frame is hinged with back of the body frame middle and lower part, the upper end of the front end of arm-rest frame and leg frame is hinged, U-shaped bar and back U-shaped bar before foot support divides, the top of the top of preceding U-shaped bar and back U-shaped bar is hinged to one, the arm-rest frame below is provided with sliding locking mechanism, the top of sliding locking mechanism and foot support is hinged, be connected with the L shaped connecting rod that strides across back U-shaped frame between seat and the preceding U-shaped frame, the minor face of L shaped connecting rod is shelved on the U-shaped frame of back.When folding seat is converted to lying posture from sitting posture, back of the body frame back mutually falls, the leg frame upwarps around the articulated section with arm-rest frame, arm-rest frame moves backward, arm-rest frame is locked by sliding locking mechanism after moving to correct position, so just can be so that folding seat is fixed on some angles of inclination, sliding locking mechanism can adopt various ways, such as meshed gears and tooth bar all the time, fix gear and prevent that the gear rotation from just can lock arm-rest frame, perhaps use the mode of strut, some locating slots are set on arm-rest frame, the end of strut can be withstood locating slot or be broken away from locating slot, and L shaped connecting rod connects the preceding U-shaped frame of seat and foot support, and the minor face of L shaped connecting rod is shelved on the U-shaped frame of back, back U-shaped frame supports seat by minor face, when drawing folding this folding seat in, L shaped connecting rod can also foot support and seat link into an integrated entity, prevent to have only the top of foot support and arm-rest frame is hinged and situation that appearance is freely rotated; Folding seat constitutes the linkage that drives mutually, and is convenient folding.
As preferably, arm-rest frame comprises the handrail shell that section takes the shape of the letter U and is fixed on the handrail mobile jib of handrail enclosure, the lower surface of handrail mobile jib is fixed with tooth bar, sliding locking mechanism comprises the handrail slide block that is nested with on the handrail mobile jib, the bottom of handrail slide block is provided with the brake block of a band tooth bar, and brake block connects spanner.The handrail mobile jib can slide in the handrail slide block, and spanner rotates and to be used for controlling brake block, makes the tooth bar of tooth bar and handrail mobile jib lower surface on the brake block form and breaks away from and the engagement two states, thereby realize moving and locking of arm-rest frame.The tooth bar of handrail mobile jib lower surface and the engagement of the tooth bar on the brake block make arm-rest frame be in the lock state, the disengaging of two tooth bars then makes arm-rest frame be in releasing orientation and can be free to slide, the handrail slide block is nested with on the handrail mobile jib, the handrail mobile jib can slide in the handrail slide block, play the effect of guiding, also can support whole arm-rest frame simultaneously.
As preferably, the bottom of handrail slide block is provided with breach, the both sides of breach are bearing, and brake block is inserted in the breach, and bearing is provided with circular hole, brake block is provided with the major axis elliptical aperture parallel with the handrail mobile jib, be provided with runner in the elliptical aperture, off-centre is provided with polygonal hole on the runner, and circular hole is in coaxial shape with polygonal hole, spanner is provided with the polygon bar, and the polygon bar passes the circular hole of circular hole, polygonal hole and the opposite side of a side successively.The polygon bar inserts the back and matches with bearing and runner, the polygon bar rotates and drives the runner rotation, polygonal hole on the runner is set for the eccentric, when therefore spanner rotates, the eccentric rotation of runner, thereby brake block is up pushed up, and make the tooth bar engagement of tooth bar on the brake block and handrail mobile jib lower surface, thereby arm-rest frame is fixed; Perhaps use another kind of scheme, runner on the brake block is not circular, such as being cam structure, runner center fixed dwang, dwang is connected with spanner, there is the bigger position of a segment distance dwang Center Length at the edge of runner, pull spanner, dwang drives the runner rotation, and above-mentioned edge pushes brake block, make the tooth bar of brake block be meshed with the tooth bar of handrail mobile jib, thus the locking arm-rest frame.
As preferably, spanner is two, divides left spanner and right spanner, left spanner and right spanner left-right symmetry, and polygon bar and the spanner polygon bar that is structure as a whole is a hexagonal rod.Left side spanner and right spanner symmetry bridge in the both sides of handrail slide block, and be stressed more reasonable when the polygon bar rotates.
As preferably, both sides, handrail slide block bottom are provided with castor, castor is rounded, the centre is provided with circular through hole, the side of castor has strip hole, the upper end of back U-shaped bar is inserted in the strip hole of inboard castor and is fixed on the through hole, and the upper end of preceding U-shaped bar is inserted in the strip hole of castor in the outside and is fixed on the through hole.Arm-rest frame and foot support seat lie conversion or folding in relatively rotate, therefore castor is set to reduce the pivoting friction resistance, the integral body of foot support is circular, the upper end of foot support is a flat, correct on the flat with strip hole and match, and the centre of flat upper end is provided with perforation, the polygon bar passes perforation, can play support like this, polygon rotates and can not interfere simultaneously.
As preferably, L shaped connecting rod comprises long connecting rod and is hinged on the spacing collar fixed cover of long connecting rod end, spacing collar fixed cover and long connecting rod are perpendicular, the spacing collar fixed cover is cylindrical, the cambered surface of the indent that the face of cylinder matches for the outer surface with back U-shaped bar, one end of spacing collar fixed cover is an arc-shaped concave, and arc-shaped concave snaps onto seat side and fixing.The face of cylinder of spacing collar fixed cover is a cambered surface, cambered surface is that face contacts with the outer surface of back U-shaped bar, improve the intensity that supports, preventing that partial points is stressed deforms, and the position that the spacing collar fixed cover is connected with long connecting rod can rotate, and the spacing collar fixed cover is connected to seat fixedlys connected, arc-shaped concave just in time snaps in seat, rotation can not occur, prevent from folding or the spacing collar fixed cover occurs when altering one's posture to drop, guarantee security from seat.
As preferably, the cross section that the side of seat is equipped with opening is the sliding sleeve of C shape, and sliding sleeve is hinged with back U-shaped bar.Sliding sleeve is nested with on seat, can move along seat in folding, and sliding sleeve is hinged with back U-shaped bar, has revolute pair between sliding sleeve and the back U-shaped bar, and sliding sleeve can support seat, alleviates the pressure of L shaped connecting rod, increases the service life.
As preferably, back of the body frame, seat, foot support and leg frame all be the structure that the aluminum pipe bending of circle forms U-shaped, and the end of leg frame opening is hinged on the inboard of arm-rest frame front end.Aluminum pipe bends to U-shaped, and is simple in structure, easy to make, whole highly versatile, and the making apparatus of use is few.
As preferably, the aluminum pipe inboard of the back of the body frame, seat and leg frame is fixed with corrugated surface layer fixed strip, and surface layer fixed strip and aluminum pipe are fixed for welding.The surface layer fixed strip is used for the bondage surface layer.
The beneficial effects of the utility model are: handrail mobile jib and handrail slide block are formed moving sets, while supporting armrests frame, the tooth bar of handrail mobile jib lower surface and the tooth bar on the brake block can be meshing with each other under the acting in conjunction of spanner and runner and throw off mutually, easy to use, only need pull just, back of the body frame can be fixed on any suitable angle.
Description of drawings
Fig. 1 is a kind of overall structure schematic diagram of the utility model;
Fig. 2 is the structural representation at a kind of arm-rest frame of the utility model position;
Fig. 3 is the structural representation of a kind of spacing collar fixed cover of the utility model;
Fig. 4 is the explosive view of the utility model structure shown in Figure 2;
Among the figure: 1, back of the body frame, 2, arm-rest frame, 3, the leg frame, 4, preceding U-shaped bar, 5, long connecting rod, 6, back U-shaped bar, 7, the handrail shell, 8, tooth bar, 9, right spanner, 10, the handrail slide block, 11, spacing collar fixed cover, 12, cambered surface, 13, arc-shaped concave, 14, the handrail mobile jib, 15, left spanner, 16, hexagonal rod, 17, runner, 18, hexagonal hole, 19, brake block, 20, bearing, 21, strip hole, 22, castor, 23, groove, 24, square hole, 25, sliding sleeve, 26, seat, 27, the surface layer fixed strip.
The specific embodiment
Below by specific embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: a kind of seat folding seat (referring to accompanying drawing 1) of lying, comprise back of the body frame 1, seat 26, arm-rest frame 2, leg frame 3 and foot support, U-shaped bar 4 and back U-shaped bar 6 before foot support divides, back of the body frame 1, seat 26, leg frame 3, preceding U-shaped bar 4 and back U-shaped bar 6 all adopt circular aluminum pipe bending to form the U-shaped shape, the width of back U-shaped bar 6 is less than the width of preceding U-shaped bar 4, back of the body frame 1, the inboard of seat 26 and leg frame 3 is welded with corrugated surface layer fixed strip 27, the bottom of back of the body frame 1 and the rear end of seat 26 are hinged, the middle and upper part of the front end of seat 26 and leg frame 3 is hinged, the rear end of arm-rest frame 2 is hinged with back of the body frame 1 middle and lower part, the upper end of the front end of arm-rest frame 2 and leg frame 3 is hinged, the top of the top of preceding U-shaped bar 4 and back U-shaped bar 6 is hinged to one, the side of seat 26 is equipped with the sliding sleeve 25 of C shape, sliding sleeve 25 is hinged with back U-shaped bar 6, the side of seat 26 also is fixed with spacing collar fixed cover 11 (referring to accompanying drawing 3), spacing collar fixed cover 11 is cylindrical, the cambered surface 12 of the indent that the face of cylinder matches for the outer surface with back U-shaped bar 6, one end of spacing collar fixed cover 11 is an arc-shaped concave 13, arc-shaped concave 13 snaps onto seat 26 sides and fixing, the other end of spacing collar fixed cover 11 is connected with long connecting rod 5, the other end of long connecting rod 5 is hinged to preceding U-shaped bar 4, long connecting rod 5 is in the outside of back U-shaped bar, the inboard of preceding U-shaped bar, spacing collar fixed cover 11 is perpendicular with long connecting rod 5.
Arm-rest frame 2 (referring to accompanying drawing 2 accompanying drawings 4) comprises handrail shell 7 that section takes the shape of the letter U and the handrail mobile jib 14 that is fixed on handrail shell 7 inside, handrail mobile jib 14 supports for rectangular steel tube, the two ends of handrail mobile jib 14 are by being bolted in the handrail shell 7, the lower surface of handrail mobile jib 14 is fixed with tooth bar 8 by screw, the flank of tooth of tooth bar 8 is the arc of projection, be equipped with handrail slide block 10 on the handrail mobile jib 14, handrail slide block 10 is triangular in shape, the inside of handrail slide block 10 is provided with square hole 24, one side of square hole is provided with equidirectional groove 23, the width of the width of groove 23 and tooth bar 8 matches, the bottom of handrail slide block 10 is provided with breach, the both sides of breach are bearing 20, bearing 20 is provided with circular hole, insert the brake block 19 of a band tooth bar in the breach, the upper surface of brake block 19 is the tooth bar that can be meshed with the flank of tooth of projection of depression, brake block 19 1 ends are semicircle, and be provided with elliptical aperture at a semicircle end, be placed with circular runner 17 in the elliptical aperture, off-centre is provided with hexagonal hole 18 on the runner 17, the outside of two bearings 20 is connected with castor 22 by axle sleeve, the side of castor offers strip hole 21, the centre of castor 22 is a through hole, the outside of two castors 22 is respectively arranged with left spanner 15 and right spanner 9, all be provided with vertical hexagonal rod 16 on a left side spanner 15 and the right spanner 9, hexagonal rod 16 is passed axle sleeve successively, bearing 20, hexagonal hole 18, bearing 20, axle sleeve also connects left spanner 15 and right spanner 9, the upper end of back U-shaped bar 6 and preceding U-shaped bar 4 is a flat, the middle part of flat is provided with perforation, the upper end of flat is inserted in the strip hole 21 of castor 22, and it is fixing that axle sleeve passes perforation simultaneously.
Be fixed with surface layer on the surface layer fixed strip 27 of the back of the body frame 1, seat 26 and leg frame 3 inboards.
Rotary spanner, hexagonal rod 16 drives runner 17 rotations, because eccentric cause, the tooth bar of the tooth bar of brake block 19 upper surfaces and handrail mobile jib lower surface is thrown off mutually or is meshing with each other, thereby make handrail slide block 10 on handrail mobile jib 14, slide, thereby make arm-rest frame promote leg frame 3, spacing collar fixed cover 11 is formed L shaped connecting rod with long connecting rod 5, before U-shaped bar 4 and back U-shaped bar 6 when strutting, the cambered surface 12 of spacing collar fixed cover 11 is shelved on the back U-shaped bar 6, when preceding U-shaped bar 4 and back U-shaped bar 6 are closed up, the side that slides over seat 26 moves, long connecting rod 5 is around the position rotation hinged with preceding U-shaped bar 4, and leg frame 3 is regained, and finishes whole folding.
If regulate the angle of back of the body frame 1, then can unclamp spanner, intermeshing tooth bar is thrown off, promote back of the body frame around hinge point rotate to proper site then rotary spanner mesh two tooth bars and fix arm-rest frame.
Above-described embodiment is a kind of preferred version of the present utility model, is not the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim puts down in writing.
Claims (9)
1. seat folding seat of lying, comprise back of the body frame, seat, arm-rest frame, leg frame and foot support, the bottom of back of the body frame and the rear end of seat are hinged, the middle and upper part of the front end of seat and leg frame is hinged, the rear end of arm-rest frame is hinged with back of the body frame middle and lower part, the upper end of the front end of arm-rest frame and leg frame is hinged, U-shaped bar and back U-shaped bar before foot support divides, the top of the top of preceding U-shaped bar and back U-shaped bar is hinged to one, it is characterized in that the arm-rest frame below is provided with sliding locking mechanism, the top of sliding locking mechanism and foot support is hinged, is connected with the L shaped connecting rod that strides across back U-shaped frame between seat and the preceding U-shaped frame, and the minor face of L shaped connecting rod is shelved on the U-shaped frame of back.
2. the seat according to claim 1 folding seat of lying, it is characterized in that arm-rest frame comprises section handrail shell that takes the shape of the letter U and the handrail mobile jib that is fixed on the handrail enclosure, the lower surface of handrail mobile jib is fixed with tooth bar, sliding locking mechanism comprises the handrail slide block that is nested with on the handrail mobile jib, the bottom of handrail slide block is provided with the brake block of a band tooth bar, and brake block connects spanner.
3. the seat according to claim 2 folding seat of lying, the bottom that it is characterized in that the handrail slide block is provided with breach, the both sides of breach are bearing, brake block is inserted in the breach, bearing is provided with circular hole, brake block is provided with the major axis elliptical aperture parallel with the handrail mobile jib, be provided with runner in the elliptical aperture, off-centre is provided with polygonal hole on the runner, circular hole is in coaxial shape with polygonal hole, spanner is provided with the polygon bar, and the polygon bar passes the circular hole of circular hole, polygonal hole and the opposite side of a side successively.
4. the seat according to claim 3 folding seat of lying is characterized in that spanner is two, divides left spanner and right spanner, left spanner and right spanner left-right symmetry, and polygon bar and the spanner polygon bar that is structure as a whole is a hexagonal rod.
5. according to claim 2 or the 3 described seats folding seat of lying, it is characterized in that both sides, handrail slide block bottom are provided with castor, castor is rounded, the centre is provided with circular through hole, the side of castor has strip hole, the upper end of back U-shaped bar is inserted in the strip hole of inboard castor and is fixed on the through hole, and the upper end of preceding U-shaped bar is inserted in the strip hole of castor in the outside and is fixed on the through hole.
6. the seat according to claim 1 folding seat of lying, it is characterized in that L shaped connecting rod comprises long connecting rod and is hinged on the spacing collar fixed cover of long connecting rod end, spacing collar fixed cover and long connecting rod are perpendicular, the spacing collar fixed cover is cylindrical, the cambered surface of the indent that the face of cylinder matches for the outer surface with back U-shaped bar, one end of spacing collar fixed cover is an arc-shaped concave, and arc-shaped concave snaps onto seat side and fixing.
7. the seat according to claim 1 folding seat of lying, the cross section that the side that it is characterized in that seat is equipped with opening is the sliding sleeve of C shape, sliding sleeve is hinged with back U-shaped bar.
8. according to claim 1 or 2 or the 6 or 7 described seats folding seat of lying, it is characterized in that carrying on the back frame, seat, foot support and leg frame all is the structure that circular aluminum pipe bending forms U-shaped, and the end of leg frame opening is hinged on the inboard of arm-rest frame front end.
9. the seat according to claim 8 folding seat of lying is characterized in that the aluminum pipe inboard of carrying on the back frame, seat and leg frame is fixed with corrugated surface layer fixed strip, and surface layer fixed strip and aluminum pipe are fixing for welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203179253U CN201612356U (en) | 2009-12-21 | 2009-12-21 | Sitting and lying folding chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203179253U CN201612356U (en) | 2009-12-21 | 2009-12-21 | Sitting and lying folding chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201612356U true CN201612356U (en) | 2010-10-27 |
Family
ID=42998729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203179253U Expired - Lifetime CN201612356U (en) | 2009-12-21 | 2009-12-21 | Sitting and lying folding chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201612356U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102090803A (en) * | 2011-01-17 | 2011-06-15 | 山东康泰实业有限公司 | Seat with adjusted seat part, backrest and legs |
| CN104172764A (en) * | 2014-08-28 | 2014-12-03 | 浙江凯帝家具有限公司 | Folding soft chair |
| WO2016101427A1 (en) * | 2014-12-26 | 2016-06-30 | 孙本龙 | Armrest locking structure of folding chair |
| CN106724220A (en) * | 2016-12-20 | 2017-05-31 | 洛阳工岩科技有限公司 | A kind of Multifunctional folding seat |
| CN108308908A (en) * | 2018-03-09 | 2018-07-24 | 美科（青岛）休闲用品有限公司 | The beach buggy chair of integral folding three |
| CN108524124A (en) * | 2018-04-27 | 2018-09-14 | 广州视源电子科技股份有限公司 | Folding locking mechanism, armrest device and wheelchair |
-
2009
- 2009-12-21 CN CN2009203179253U patent/CN201612356U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102090803A (en) * | 2011-01-17 | 2011-06-15 | 山东康泰实业有限公司 | Seat with adjusted seat part, backrest and legs |
| CN104172764A (en) * | 2014-08-28 | 2014-12-03 | 浙江凯帝家具有限公司 | Folding soft chair |
| CN104172764B (en) * | 2014-08-28 | 2017-01-11 | 浙江凯帝家具有限公司 | Folding soft chair |
| WO2016101427A1 (en) * | 2014-12-26 | 2016-06-30 | 孙本龙 | Armrest locking structure of folding chair |
| CN106724220A (en) * | 2016-12-20 | 2017-05-31 | 洛阳工岩科技有限公司 | A kind of Multifunctional folding seat |
| CN108308908A (en) * | 2018-03-09 | 2018-07-24 | 美科（青岛）休闲用品有限公司 | The beach buggy chair of integral folding three |
| CN108524124A (en) * | 2018-04-27 | 2018-09-14 | 广州视源电子科技股份有限公司 | Folding locking mechanism, armrest device and wheelchair |
| CN108524124B (en) * | 2018-04-27 | 2024-05-10 | 广州视源电子科技股份有限公司 | Folding locking mechanism, handrail device and wheelchair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101027 |