Summary of the invention:
The object of the invention is to provide a kind of rational in infrastructure simple, be skillfully constructed, outward appearance atmosphere is attractive in appearance, Foldable squareJust very light and handy new type foldable seat again. The object of the present invention is achieved like this: new type foldable seat, comprises the forward foot in a stepFrame, rear leg, cushion frame, back rest, cloth seat surface and cloth seat, is characterized in that: front foot rest by upper clubfoot frame,Two vexed plugs and two foots pad form, and upper clubfoot frame is made up after the bending of front upper place of the two ends of a pipe, upper clubfoot frame twoBy making a set of special stamping die to the knee of front upper place bending, by the special punching press stamping of pipe processPressure forms, and after upper clubfoot frame two is made to the bending of front upper place, the external diameter in its knee is the bending of small arc-shaped, itsThe inner radius in knee has the counterbore of a rectangle, the both sides at upper clubfoot frame middle part and the both sides of upper clubfoot frame two front upper endsRespectively have a horizontal perforation, the front upper place in upper clubfoot frame two knees is respectively plugged with a vexed plug, upper clubfoot frame two bendingsThe each foot pad that connects in bottom side at place; Rear leg is made up of lower clubfoot frame, two doubly-linked ears, two vexed plugs and two footmuffs, underClubfoot frame is to be made up after the bending of front lower place of the two ends of a pipe, and lower clubfoot frame two is to the knee of front lower place bendingBe by making a set of special stamping die, pipe be stamped to form through special stamping die, lower clubfoot frame two toAfter the bending of front lower place is made, the external diameter in its knee is the bending of small arc-shaped, and the inner radius in its knee has a squareThe counterbore of shape, the both sides at lower clubfoot frame middle part have a horizontal perforation, and the front lower place in lower clubfoot frame two knees is eachBe plugged with a vexed plug, lower clubfoot frame two also respectively connects a doubly-linked ear to the top of front lower place bending, and doubly-linked ear is one to be UThe stamping parts of shape, the two sides of doubly-linked ear U-shaped have mutual to perforation, U-shaped inner side and the lower clubfoot of two doubly-linked earsFrame two is to the top obvolvent of front lower place bending, and is fixed by self-plugging rivet, and lower clubfoot frame is to front lower place bendingThe each socket in two ends one footmuff; Cushion frame by palintrope mounting, rear cross-tube, two right-angle tees connect part, two grooveds connect earForm with two iron wire parts, palintrope mounting is made up after bending backward of the two ends of a pipe, and palintrope mounting two is bending backwardKnee be by making a set of special stamping die, pipe is stamped to form to palintrope through special stamping dieAfter mounting two bending is backward made, the external diameter in its knee is the bending of small arc-shaped, and the inner radius in its knee hasThe counterbore of one rectangle, the first end that a right-angle tee connects part is respectively filled at the two ends of rear cross-tube, then two right-angle tees are connectedThe second end of part is tucked into palintrope mounting backward in the pore at bending two ends, and grooved connects the stamping parts that ear is a grooved,The two sides that grooved connects ear have mutual to perforation, and two grooveds connect ear and palintrope mounting two end of bent front ends portion backwardSide is fixedly connected with by self-plugging rivet, the front circle of two iron wire parts connect corresponding to two grooveds ear medial surface to perforation,The rear circle of two iron wire parts connects the 3rd end of part in two right-angle tees by screw connection; Back rest is by a pipeMake after being bent downwardly at both ends, and the downward knee of back rest two is by making a set of special stamping die, willPipe is stamped to form through special stamping die, and after the downward bending of back rest two is made, the external diameter in its knee isThe bending of small arc-shaped, the inner radius in its knee has the counterbore of a rectangle, and the downward two bending bottoms of back rest haveTo the bending of front lower place, two lower ends of back rest have a pair of horizontal perforation; Both sides, lower clubfoot frame middle part are horizontalPerforation is rotationally connected by the horizontal perforation in both sides in the middle part of two semitubular rivets and upper clubfoot frame, two grooveds of cushion frameConnect ear by the front circle rotation of the horizontal perforation in two semitubular rivets and both sides, the front upper end of upper clubfoot frame two and two iron wire partsConnect, and will be lower clubfoot frame middle part be limited to the below of palintrope mounting, the top of two iron wire parts, two grooveds connect earRear and two right-angle tees connect the front of part the 3rd end, and two doubly-linked ears of rear leg are by two semitubular rivets and backrestThe a pair of horizontal perforation of frame two lower ends is rotationally connected; The sleeve pipe of the right and left of cloth seat surface and palintrope mounting two are backwardBending socket, the front of cloth seat surface is connected in the front of palintrope mounting, the back of cloth seat surface is connected in rear cross-tubeUpper, the reclinate top socket of the sleeve pipe of the right and left of cloth seat and back rest two, cloth seat top is connected inThe top of back rest.
The invention has the beneficial effects as follows: the present invention is simple and reasonable, folding efficient and convenient, lightly portable, be seated comfortable steadyGu; Cushion frame of the present invention and back rest are mixed cloth seat surface and cloth seat, and cloth seat surface and cloth seat all take to tighten clothThe mode of face, not only weight is light especially to allow the present invention, and it is comfortable to be especially seated; The present invention has accomplished that family expenses are suitable with outdoor twoWith.
Brief description of the drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the connection diagram of foot rest before the present invention, rear leg, cushion frame and back rest;
Fig. 3 is the bending process schematic diagram of clubfoot frame in the present invention, lower clubfoot frame, palintrope mounting and back rest;
Before Fig. 4, the bent angle of foot rest and rear leg is processed schematic diagram;
Fig. 5 is that the present invention has folded process schematic diagram;
Fig. 6 is the folding complete schematic diagram of the present invention.
In figure: 1---front foot rest, 2---rear leg, 3---cushion frame, 4---back rest, 5---cloth seat surface,6---cloth seat.
Detailed description of the invention:
According to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, described new type foldable seat, comprises front foot rest 1, rear leg 2, cushionFrame 3, back rest 4, cloth seat surface 5 and cloth seat 6;
Described front foot rest 1 is made up of upper clubfoot frame, two vexed plugs and two foots pad, and described upper clubfoot frame is by a pipeTwo ends after the bending of front upper place, make, described upper clubfoot frame two is by making one to the knee of front upper place bendingOverlap special stamping die, described upper clubfoot frame, to two bendings of front upper place, is lined with folding in the pore by bending part respectivelyAfter curved liner, be stamped to form through special stamping die, bending liner is the cut-out of the circular aluminium extruded type of half againPart, after described upper clubfoot frame two is made to the bending of front upper place, the external diameter in its knee is the bending of small arc-shaped, itsThe inner radius in knee has the counterbore of a rectangle, the both sides at described upper clubfoot frame middle part and upper clubfoot frame two front upper endsBoth sides respectively have a horizontal perforation, in the rectangle counterbore of the front upper place in described upper clubfoot frame two knees, are respectively plugged with oneVexed plug, after described vexed plug is filled in the rectangle counterbore in described upper clubfoot frame knee, makes described upper clubfoot frameThe appearance effect after right-angle bending is carried out just as solid round steel in knee, and described vexed plug is a working of plastics, described vexedThe top of plug is saddle, the rectangular bulk in bottom, the each pin that connects in two ends of bottom side, described upper clubfoot frame backPad, the rectangular bulk of described foot pad, the concave surface that has upward circular arc of described foot pad, vertically the having of described foot padPerforation, the vertical perforation of described foot pad, is connected with the bottom side of described upper clubfoot frame by tap bolt.
Described rear leg 2 is made up of lower clubfoot frame, two doubly-linked ears, two vexed plugs and two footmuffs, described lower clubfootFrame is to be made up after the bending of front lower place of the two ends of a pipe, and described lower clubfoot frame two is to the knee of front lower place bendingBe by making a set of special stamping die, described lower clubfoot frame is to two bendings of front lower place, respectively by bending partAfter being lined with bending liner in pore, be stamped to form through special stamping die, described lower clubfoot frame two is to front lower againAfter the bending of side is made, the external diameter in its knee is the bending of small arc-shaped, and the inner radius in its knee has a rectangleCounterbore, is respectively plugged with a vexed plug in the rectangle counterbore of described lower clubfoot frame two front lower places, knee, and described vexed plug is filled inAfter in the rectangle counterbore in described lower clubfoot frame knee, the knee of described lower clubfoot frame is entered just as solid round steelAppearance effect after row right-angle bending, the both sides at described lower clubfoot frame middle part have a horizontal perforation, described lower curvedFoot rest two also respectively connects a doubly-linked ear to the top of front lower place bending, and described doubly-linked ear is a punching press taking the shape of the letter UPart, the two sides of described doubly-linked ear U-shaped have mutual to perforation, and the upper end of the two sides of described doubly-linked ear U-shaped isSemicircle, riveted holes is arranged at the bottom of the U-shaped of described two doubly-linked ears, U-shaped inner side and the lower clubfoot of described two doubly-linked earsFrame two is to the top obvolvent of front lower place bending, and is fixed by self-plugging rivet, and described lower clubfoot frame is to front lower placeThe bending each socket in two ends one footmuff, described footmuff is plastics footmuffs.
Described cushion frame 3 by palintrope mounting, rear cross-tube, two right-angle tees connect part, two grooveds connect ear and two iron wiresPart forms, and described palintrope mounting is made up after bending backward of the two ends of a pipe, and palintrope mounting two is recurvateKnee is that rearward two bendings of described palintrope mounting, respectively by bending by making a set of special stamping dieIn the pore at place, be lined with after bending liner and be stamped to form through special stamping die again, described palintrope mounting two toAfter bending make after, the external diameter in its knee is the bending of small arc-shaped, the inner radius in its knee has a rectangleCounterbore, described rear cross-tube is a pipe, the two ends of described rear cross-tube are respectively filled in a right-angle tee and are connected part, describedIt is nylon part that right-angle tee connects part, and described right-angle tee connects part and is three pipe one and connects into three pairs of squares, described inHorizontal one end inwardly that right-angle tee connects part is first end, and longitudinal one end forward that described right-angle tee connects part isThe second end, vertical one end down that described right-angle tee connects part is the 3rd end, described right-angle tee connects part the 3rd endPore connect hole for twisting, the first end close-fitting that described in two, right-angle tee connects part is filled in the pore at described rear cross-tube two endsIn, the second end that described in two, right-angle tee connects part is tucked into described palintrope mounting backward in the pore at bending two ends, instituteThe grooved of stating connects the stamping parts that ear is a grooved, and the two sides that described grooved connects ear have mutual to perforation, described grooveType connects the lower end semicircular in shape of ear two sides, and described grooved connects on the end face of ear two riveted holes, and described in two, grooved connectsTwo riveted holes of ear are fixedly connected with by self-plugging rivet the bottom side of bent front ends portion backward with palintrope mounting two, describedIron wire part is to be bent to the circle that laterally encloses hole by the front end of an iron wire, and the rear end of iron wire bends to vertical circleThe circle in hole, described in two the front circle of iron wire part connect corresponding to grooved described in two ear medial surface to perforation, iron described in twoThe rear circle of silk part connects part the 3rd the stubborn of end by screw connection in right-angle tee described in two and connects in hole.
Described back rest 4 is made after being bent downwardly by the both ends of a pipe, and the downward knee of back rest two isBy making a set of special stamping die, two bendings downwards of described back rest 4, respectively by the pore of bending partIn be lined with after bending liner and be stamped to form through special stamping die again, 4 liang of downward bendings of described back restAfter making, the external diameter in its knee is the bending of small arc-shaped, and the inner radius in its knee has the counterbore of a rectangle, instituteState the downward two bending bottoms of back rest 4 and make the bending to front lower place by punching press, two of described back rest 4Lower end has a pair of horizontal perforation.
Two semitubular rivets and both sides, described upper clubfoot frame middle part are passed through in the horizontal perforation in both sides, described lower clubfoot frame middle partHorizontal perforation is rotationally connected, and two grooveds of described cushion frame 3 connect ear by two semitubular rivets and described upper clubfootDescribed in the horizontal perforation and two in both sides, the front upper end of frame two, the front circle of iron wire part is rotationally connected, described lower clubfoot frame middle part limitFix on the below of described palintrope mounting, the top of iron wire part described in two, described in two, grooved connects described in the rear and two of earRight-angle tee connects the front of part the 3rd end, and two doubly-linked ears of described rear leg 2 are by two semitubular rivets and described leaning onThe a pair of horizontal perforation of 4 liang of lower ends of backrest is rotationally connected.
Described cloth seat surface 5 is to be sewn into by oxford, and the right and left of described cloth seat surface 5 is sewed with longitudinal pipeCover, the front of described cloth seat surface 5 and back are all connected with hasp, the sleeve pipe of the right and left of described cloth seat surface 5With the bending socket backward of described palintrope mounting two, the front of described cloth seat surface 5 is by hasp and described palintrope mountingFront connect, the hasp of the back of described cloth seat surface 5 is connected with described rear cross-tube, with described palintrope mounting twoAfter bending noose backward, and described cloth seat surface after being connected with the front of described palintrope mounting and described rear cross-tube5, in tensioned state.
Described cloth seat 6 is to be sewn into by oxford, and the right and left of described cloth seat 6 is sewed with longitudinal pipeCover, the back of described cloth seat 6 is connected with hasp, the sleeve pipe of the right and left of described cloth seat 6 and described backrest4 liang of reclinate top sockets of frame, described cloth seat 6 tops connect by the top of hasp and described back rest 4Connect, after 4 liang of reclinate top sockets of described back rest, and after being connected with the top of described back rest 4Described cloth seat 6, in tensioned state.