CN201709821U - Folding chair with hand-adjustable backrest angle - Google Patents
Folding chair with hand-adjustable backrest angle Download PDFInfo
- Publication number
- CN201709821U CN201709821U CN2010202147120U CN201020214712U CN201709821U CN 201709821 U CN201709821 U CN 201709821U CN 2010202147120 U CN2010202147120 U CN 2010202147120U CN 201020214712 U CN201020214712 U CN 201020214712U CN 201709821 U CN201709821 U CN 201709821U
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- short
- rods
- chair frame
- connecting rod
- hinged
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Abstract
The utility model discloses a folding chair with a hand-adjustable backrest angle and relates to a folding chair consisting of metal pipes. A chair frame of the folding chair comprises two rear upright rods, four leg seats, two short lateral rods, two long lateral rods, two front rods, a hinged block, two front rod sleeves, two rear rod sleeves, two rear rods, two abutting rods, two sliders, two short pipes and two connecting blocks. A fabric surface of the folding chair comprises a seat cushion and a back cushion, the folding chair is provided with two fabric armrests, a pair of projecting lugs are arranged on the lower end surface of each slider, turning components are arranged on both the left and the right of the chair frame, and each turning component includes a short connecting rod, a connecting block and a rocker handle. First ends of the short connecting rods of the turning component are hinged on the upper portions of the corresponding short lateral rods, second ends of the short connecting rods are hinged on the corresponding connecting blocks, the rocker handles are arranged on the outer sides of the connecting blocks fixed to the upper ends of long connecting rods, and the lower ends of the long connecting rods are hinged between projecting lugs of the corresponding sliders. A user lying on the folding chair can adjust and select the backrest angle by simultaneously pushing or pulling the two rocker handles forwards or backwards.
Description
Technical field
The utility model relates to the folding seat that a kind of metal tube constitutes.
Background technology
The folding seat that existing metal tube constitutes comprises chair frame, cloth cover and two handrails.For example, folding seat a kind of simple in structure shown in Figure 1: its chair frame connects piece 17 by bar behind 8, two in the bar cover behind 7, two in vertical rod after two 1, four runners 2, two short side levers 3, two long side levers 4, two preceding bars 5, hinged block 6, two the preceding bar covers 9, two rods 10, two slide blocks 15 ', two short tubes 16 and two and forms; Its cloth cover is made up of seat cushion 181 and back cushion 18; Two handrail is two cloth handrails 19.
The structure of chair frame is please referring to Fig. 2:
A runners 2 is installed in the lower end of vertical rod 1 after every, the middle and lower part of the short tube 16 hinged rods 10 in top of vertical rod 1 after every.
The middle part that 2, two preceding bars 5 of a runners are respectively installed in the lower end of two preceding bars 5 is sleeved in the hinged block 6 and is hinged, and the upper end bending laterally respectively of 7, two preceding bars 5 of a preceding bar cover is respectively installed in the upwards bending place on two preceding bar 5 tops.
Long side lever 4 middle and lower parts in short side lever 3 middle parts in chair frame left side and chair frame left side are hinged, and the back bar cover 8 in long side lever 4 tops in chair frame left side and chair frame left side is hinged, and long side lever 4 lower ends in chair frame left side and the runners 2 of first preceding bar 5 lower end are hinged; The preceding bar cover 7 on the upper end of the short side lever 3 in chair frame left side and second preceding bar 5 top is hinged, slide block 15 ' of middle and lower part suit of the short side lever 3 in chair frame left side, rod 10 bottoms in chair frame left side are inserted in the jack 154 ' of this slide block 15 ' versatilely, and the runners 2 of short side lever 3 lower ends in chair frame left side and vertical rod 1 lower end, back, chair frame left side is hinged.Rod 10 middle parts in chair frame left side are inserted in the long jack of back, chair frame left side bar cover 8 versatilely.One connects the upper end that piece 17 is installed in the long side lever 4 in chair frame left side.
Short side lever 3 middle parts on chair frame right side and long side lever 4 middle and lower parts on chair frame right side are hinged, and the back bar cover 8 on long side lever 4 tops on chair frame right side and chair frame right side is hinged, and the runners 2 of long side lever 4 lower ends on chair frame right side and second preceding bar 5 lower end is hinged; The preceding bar cover 7 on the upper end of the short side lever 3 on chair frame right side and first preceding bar 5 top is hinged, slide block 15 ' of the middle and lower part suit of the short side lever 3 on chair frame right side, rod 10 bottoms on chair frame right side are inserted in the jack 154 ' of this slide block 15 ' versatilely, and the runners 2 of vertical rod 1 lower end is hinged behind short side lever 3 lower ends on chair frame right side and the chair frame right side.Rod 10 middle parts on chair frame right side are inserted in the long jack of bar cover 8 behind the chair frame right side versatilely.One connects the upper end that piece 17 is installed in the long side lever 4 on chair frame right side.
The middle part of bar 9 is hinged after two; Wherein the back bar cover 8 in the upper end of bar 9 and chair frame left side is hinged after first, and the runners 2 of back vertical rod 1 lower end on lower end and chair frame right side is hinged; After second the upper end of bar 9 and chair frame right side back bar cover 8 be hinged, the lower end is hinged with the runners 2 of 1 lower end of vertical rod afterwards, chair frame left side.
Please referring to Fig. 3: the main body of slide block 15 ' is a straight tube 151 ', and short side lever 3 is inserted in the pore 152 ' of this straight tube 151 '.A jut 153 ' is extended in the inboard of this straight tube 151 ', leaves an oblique jack 154 ' parallel with pore 152 ' on this jut 153 ', so that the bottom of rod 10 is inserted versatilely wherein and can lack side lever 3 relatively and overturn.
Please referring to Fig. 1: four jiaos of keyholes of respectively establishing plastics or metal of seat cushion 181, the keyhole of seat cushion 181 front side correspondences is passed on the top of two preceding bars 5 respectively, the keyhole of seat cushion 181 rear side correspondences is passed at the middle part of two rods 10 respectively, bar cover 8 forms stable plane from four angle braces after making seat cushion 181 be overlapped 6 and two by two preceding bars.The both sides on back cushion 18 tops are sleeved on the top of two rods 10, and the lower end of back cushion 18 is sewn on the rear portion of seat cushion 181.
The front end sleeve of each cloth handrail 19 is contained in the upper end of corresponding preceding bar 5, and the rear end is screwed connecing on the piece 17 on the long side lever 4 of chair frame homonymy.
In user mode, user's buttocks is sitting on the seat cushion 181, and the back leans against on the back cushion 18.The strength that the user back leans back cushion 18 is bigger, two rods 10 and back cushion 18 turn over together more backward, the bottom of two rods 10 will push away corresponding slide block 15 ' and slide obliquely upward along corresponding short side lever 3, push up the long side lever 4 hinged with corresponding short side lever 3 until two slide blocks 15 ', this folding seat is launched fully.Otherwise, if the user stands up, before spurred the top of back cushion 18 or two rods 10, the bottom of two rods 10 will push away corresponding slide block 15 ' along corresponding short side lever 3 to oblique slid underneath, two rods 10 and back cushion 18 just turn over forward together.
Above-mentioned folding seat also has following shortcoming: 1, when the user is sitting on this folding seat, can not adjust and stablize the angle of back cushion 18, and greatly limited the comfortableness of use and the convenience of use.
The utility model content
The utility model aims to provide a kind of comfortable, folding seat of hand adjustment backrest angle easily of using.
The technical solution of the utility model is: the folding seat of hand adjustment backrest angle, chair frame connect piece by vertical rod after two, four runners, two short side levers, two long side levers, two preceding bars, hinged block, two preceding bar covers, bar cover after two, bar after two, two rods, two slide blocks, two short tubes and two and form; Cloth cover is made up of seat cushion and back cushion; Two handrails are two cloth handrails; It is characterized in that: described two slide block lower surfaces are equipped with a pair of lug; Chair frame and arranged on left and right sides is equipped with a upset assembly that comprises short connecting rod, contiguous block and crank; First end of short connecting rod is articulated in the top of corresponding short side lever in each upset assembly, second end of this short connecting rod is articulated in corresponding contiguous block, crank is established in the outside of this contiguous block, and this contiguous block is fixed in the upper end of a long connecting rod, and the lower end of this long connecting rod is articulated between the lug of corresponding slide block.
When the user is sitting on this folding seat, simultaneously push away or pull back two cranks forward, the contiguous block in two crank places upset assemblies will push away or pull back corresponding short connecting rod overturn the forward swing or the swing of turning over forward.Meanwhile, two contiguous blocks can drive corresponding long connecting rod respectively and move obliquely upward or to oblique below, thereby make two long connecting rods hinged two slide blocks move obliquely upward or to oblique below along the short side lever of correspondence, the bottom that finally forces two rods obliquely upward or to oblique below move and the back cushion on two rod tops to oblique below or swing obliquely upward.The user can use two cranks with being intended to adjust squab angle among two positions, has realized the comfortableness of use and the demand of convenience.
And then: the main body of described contiguous block is the straight tube of the corresponding long connecting rod of pegging graft, and the periphery of this straight tube relatively extends upward two lugs, lacks the draw-in groove of side lever between two lugs for clamping; Respectively be provided with an outward extending minor axis on the outer face of two lugs, the intersection of the periphery of this straight tube and outside lug is provided with outward extending crank; Described short connecting rod is tabular, and first end of this short connecting rod is established hinge hole so that be articulated in the top of described short side lever, and second end of this short connecting rod has axis hole and is articulated in minor axis corresponding on the described contiguous block.Utilize the short side lever of two lug clamping correspondences, can realize the location after the squab angle adjustment finishes, the user can stably use this folding seat.Hinged two short connecting rods of minor axis are established in the outside of two lugs respectively, and this version is convenient to make and install, and intensity height and stress equalization, firm and durable.
The folding seat of the hand adjustment backrest angle of the utility model utilizes the short connecting rod that is articulated in two short side lever tops hinged with contiguous block again, and two long connecting rod lower ends are articulated in respectively between the corresponding slide block lug in chair frame both sides, and the upper end is fixed on the corresponding contiguous block.Crank is established in the outside of each contiguous block; Make when the user is sitting on this folding seat, simultaneously push away or pull back two cranks forward, just can make corresponding short connecting rod upset swing by contiguous block, and the corresponding slide block of corresponding long connecting rod drive moves, force the rod swing, thereby among two positions, arbitrarily adjust and stable firmly squab angle, realized the comfortableness of use and the demand of convenience.Compared with prior art, the folding seat of the hand adjustment backrest angle of the utility model realizes that the additional structure of back cushion adjustment is simple, firm and durable; Fringe cost is low, is easy to promote; Has vast market prospect.
Description of drawings
Fig. 1 is the perspective view of an existing folding seat.
Fig. 2 is the perspective view of chair frame part in Fig. 1 folding seat.
Fig. 3 is the perspective view of slide block in Fig. 1 folding seat.
Fig. 4 is the perspective view of embodiment of folding seat of the hand adjustment backrest angle of the utility model in first user mode.
Fig. 5 is the perspective view of Fig. 4 embodiment in second user mode.
Fig. 6 is the perspective view of chair frame part among Fig. 4 embodiment.
Fig. 7 is the deployed configuration schematic diagram of upset assembly among Fig. 4 embodiment.
Fig. 8 is the perspective view of upset assembly among Fig. 4 embodiment.
Fig. 9 is the perspective view of slide block among Fig. 4 embodiment.
The specific embodiment
The stereochemical structure of an embodiment of folding seat of the hand adjustment backrest angle of the utility model, as shown in Figure 4 and Figure 5.
It comprises chair frame, cloth cover and two handrails.Cloth cover is made up of rectangle seat cushion 181 that fuses and rectangle back cushion 18; Two cloth handrails 19 that handrail is two strips.
The structure of chair frame, please referring to Fig. 6: the chair frame connects piece 17 by bar behind 8, two in the bar cover behind 7, two in vertical rod after two 1, four runners 2, two short side levers 3, two long side levers 4, two preceding bars 5, hinged block 6, two the preceding bar covers 9, two rods 10, two contiguous blocks 11, two cranks 12, four short connecting rods 13, two long connecting rods 14, two slide blocks 15, two short tubes 16 and two and forms.
Before the structure of The effect chair frame, investigate the upset assembly of chair frame both sides and the structure of slide block 15 earlier.
Each upset assembly is made up of a contiguous block 11, a crank 12 and two short connecting rods 13 respectively.Please referring to Fig. 7: the main body of contiguous block 11 is a straight tube, the pore 111 of this straight tube be used to the to peg graft upper end of corresponding long connecting rod 14, the periphery of this straight tube relatively extends upward two lugs 112, and the intersection of the periphery of this straight tube and outside lug 112 is provided with an outward extending crank 12.A bolt 121 can pass the axis of perforation crank 12 and the through hole of straight tube sidewall, screws togather with nut 122.Be the draw-in groove 113 of the short side lever 3 of clamping between two lugs 112; Respectively be provided with an outward extending minor axis 114 on the outer face of two lugs 112, the outer end of each minor axis 114 has external screw thread, can be respectively screws togather with corresponding nut 115.Short connecting rod 13 is tabular, and an end of short connecting rod 13 has the axis hole 131 that cooperates with minor axis 114 on the contiguous block 11, and the other end of short connecting rod 13 has hinge hole 132.
Please referring to Fig. 8: the minor axis 114 in two lug 112 outsides of contiguous block 11 passes the axis hole 131 of corresponding short connecting rod 13 respectively, and locks nut 115 and screw togather, and makes contiguous block 11 and two short connecting rods 13 form hinged.
In addition, external screw thread can not be established in minor axis 114 outsides of 11 two lugs 112 of contiguous block, also uses nut to come to carry out spacing to short connecting rod 13 with regard to not needing.For example, after the minor axis 114 in two lug 112 outsides of contiguous block 11 passes the axis hole 131 of corresponding short connecting rod 13 respectively, make the outer end distortion of minor axis 114, also can make contiguous block 11 and two short connecting rod 13 formation hinged, and two short connecting rods 13 can not break away from minor axis 114 corresponding on the contiguous block 11.
The structure of slide block 15, please referring to Fig. 9: the main body of slide block 15 is a square tube 151, the circular pore 152 of this square tube 151 short side lever 3 that is used to peg graft.A jut 153 is extended in the inboard of this square tube 151, leaves an oblique jack 154 parallel with pore 152 on this jut 153, so that the bottom of rod 10 is inserted versatilely wherein and can lack side lever 3 relatively and overturn.The lower surface of this square tube 151 is provided with a pair of lug 155 that is provided with hinge hole.
Please, continue to investigate the structure of chair frame referring to Fig. 6:
A runners 2 is respectively installed in the lower end of vertical rod 1 after two, the middle and lower part of the short tube 16 hinged corresponding rods 10 in top of vertical rod 1 after every.
The middle part that 2, two preceding bars 5 of a runners are respectively installed in the lower end of two preceding bars 5 is sleeved in the hinged block 6 and is hinged, and the upper end bending laterally respectively of 7, two preceding bars 5 of a preceding bar cover is respectively installed in the upwards bending place on two preceding bar 5 tops.
Long side lever 4 middle and lower parts in short side lever 3 middle parts in chair frame left side and chair frame left side are hinged.The back bar cover 8 in long side lever 4 tops in chair frame left side and chair frame left side is hinged, and long side lever 4 lower ends in chair frame left side and the runners 2 of first preceding bar 5 lower end are hinged.The preceding bar cover 7 on the upper end of the short side lever 3 in chair frame left side and second preceding bar 5 top is hinged, and pin-and-hole is established on short side lever 3 tops in chair frame left side, and a bearing pin is set in this pin-and-hole; Two short connecting rods 13 form hinged by the bearing pin on hinge hole 132 and short side lever 3 tops, chair frame left side in the chair frame left side upset assembly.
Short side lever 3 middle parts on chair frame right side and long side lever 4 middle and lower parts on chair frame right side are hinged.The back bar cover 8 on long side lever 4 tops on chair frame right side and chair frame right side is hinged, and the runners 2 of long side lever 4 lower ends on chair frame right side and second preceding bar 5 lower end is hinged.The preceding bar cover 7 on the upper end of the short side lever 3 on chair frame right side and first preceding bar 5 top is hinged, and pin-and-hole is established on short side lever 3 tops on chair frame right side, and a bearing pin is set in this pin-and-hole; Two short connecting rods 13 form hinged by the bearing pin on hinge hole 132 and short side lever 3 tops, chair frame right side in the chair frame right side upset assembly.
The middle part of bar 9 is hinged after two; Wherein the back bar cover 8 in the upper end of bar 9 and chair frame left side is hinged after first, and the runners 2 of back vertical rod 1 lower end on lower end and chair frame right side is hinged; After second the upper end of bar 9 and chair frame right side back bar cover 8 be hinged, the lower end is hinged with the runners 2 of 1 lower end of vertical rod afterwards, chair frame left side.
Please later referring to Fig. 4 and Fig. 5: four jiaos of keyholes of respectively establishing plastics or metal of seat cushion 181, the keyhole of seat cushion 181 front side correspondences is passed on the top of two preceding bars 5 respectively, the keyhole of seat cushion 181 rear side correspondences is passed at the middle part of two rods 10 respectively, bar cover 8 forms stable plane from four angle braces after making seat cushion 181 be overlapped 6 and two by two preceding bars.The both sides on back cushion 18 tops are sleeved on the top of two rods 10, and the lower end of back cushion 18 is sewn on the rear portion of seat cushion 181.
The front end sleeve of each cloth handrail 19 is contained in the upper end of corresponding preceding bar 5, and the rear end is screwed connecing on the piece 17 on the long side lever 4 of chair frame homonymy.
Be sitting in as the user on the seat cushion 181 of present embodiment, two hands are held the crank 12 of homonymy simultaneously, and push away or draw this two cranks 12, make the upwards swing or of bearing pin on the short side lever of upper end relative chair frame homonymy 3 tops of the corresponding upset long connecting rod 14 that assembly connected to lower swing.If upwards swing, then as shown in Figure 5, the lower end of two rods 10 is to the front upper place swing and swing to the back lower place upper end, and back cushion 18 opens to the back lower place.The short side lever 3 of the clamping correspondence above the bearing pin of the short side lever 3 of chair frame homonymy of two lugs 113 on the contiguous block 11, the location of having realized chair frame homonymy rod 10, the user can stably use present embodiment.Otherwise then as shown in Figure 4, the lower end of two rods 10 is to back lower place swing and swing to the front upper place upper end, and back cushion 18 draws in to the front upper place.The short side lever 3 of the clamping correspondence below the bearing pin of the short side lever 3 of chair frame homonymy of two lugs 113 on the contiguous block 11, the location of having realized chair frame homonymy rod 10.Thereby the user can be with the angle that is intended to select in two positions, adjust back cushion 18.
The above only is the utility model preferred embodiment, does not limit the scope that the utility model is implemented with this, and the equivalence of doing according to the technical solution of the utility model and description changes and modification, all should belong to the scope that the utility model is contained.
Claims (2)
1. the folding seat of hand adjustment backrest angle, chair frame connect piece by vertical rod after two, four runners, two short side levers, two long side levers, two preceding bars, hinged block, two preceding bar covers, bar cover after two, bar after two, two rods, two slide blocks, two short tubes and two and form; Cloth cover is made up of seat cushion and back cushion; Two handrails are two cloth handrails; It is characterized in that: described two slide block lower surfaces are equipped with a pair of lug; Chair frame and arranged on left and right sides is equipped with a upset assembly that comprises short connecting rod, contiguous block and crank; First end of short connecting rod is articulated in the top of corresponding short side lever in each upset assembly, second end of this short connecting rod is articulated in corresponding contiguous block, crank is established in the outside of this contiguous block, and this contiguous block is fixed in the upper end of a long connecting rod, and the lower end of this long connecting rod is articulated between the lug of corresponding slide block.
2. the folding seat of hand adjustment backrest angle according to claim 1, it is characterized in that: the main body of described contiguous block is the straight tube of the corresponding long connecting rod of pegging graft, the periphery of this straight tube relatively extends upward two lugs, is the draw-in groove of the short side lever of clamping between two lugs; Respectively be provided with an outward extending minor axis on the outer face of two lugs, the intersection of the periphery of this straight tube and outside lug is provided with outward extending crank; Described short connecting rod is tabular, and first end of this short connecting rod is established hinge hole so that be articulated in the top of described short side lever, and second end of this short connecting rod has axis hole and is articulated in minor axis corresponding on the described contiguous block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202147120U CN201709821U (en) | 2010-06-03 | 2010-06-03 | Folding chair with hand-adjustable backrest angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202147120U CN201709821U (en) | 2010-06-03 | 2010-06-03 | Folding chair with hand-adjustable backrest angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201709821U true CN201709821U (en) | 2011-01-19 |
Family
ID=43455813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202147120U Expired - Fee Related CN201709821U (en) | 2010-06-03 | 2010-06-03 | Folding chair with hand-adjustable backrest angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201709821U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI698203B (en) * | 2020-01-09 | 2020-07-11 | 陳德隆 | Multifunctional leisure chair |
-
2010
- 2010-06-03 CN CN2010202147120U patent/CN201709821U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI698203B (en) * | 2020-01-09 | 2020-07-11 | 陳德隆 | Multifunctional leisure chair |
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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: 20110119 Termination date: 20130603 |