CN2087163U - Multi-purpose folding chair for children - Google Patents

Abstract

The utility model relates to a foldable chair hung on the handlebar of a bicycle, comprising a seat frame (1), a chair carrying frame (9), a forestay with a hook (20), a raising pulling frame (14), foldable chair legs with wheels (28) and (3), an integral seat pad (12), a detachable fan shroud (37), etc. The foldable chair is safe and comfortable to carry children, and can be opened on the ground to be used as a carriage for children. The utility model has the advantages of wind proof, rain proof and convenience for folding and carrying.

Description

Multi-purpose folding chair for children

The utility model relates to and is used for the chair that bicycle carries the child.

Carry the seat that children use on the bicycle now, the simplest usefulness one block plate adds clamp clip, is fixed on (as Figure 12) on the cross member of frame with screw nail; Better slightly have a kind of commercially available rattan chair, and its structure is the seat support that rests on the cross member of frame, under stretch out a pair of fixed support, be used to tie up and be clipped in spider (as Figure 13); Also has a kind of commercially available plastics seat support, under stretch out two Metallic rod forward and be actively connected on the front strut, the front strut upper end curves hook forward in order to be hooked in the bicycle handle bar, there is the bent crossbeam of root arc at the middle part in order to block handlebar axis, under stretch out two steps laterally, the movable tension bar that is connected with the trough of belt seam between Metallic rod and the front strut, front strut extends upward a wooden handle (as Figure 14) in addition, and this chair is advanced, applicable to the man, woman style car, and seat support can be folded to front strut, but all above-mentioned seats or chair can only be placed on usefulness on the bicycle, utterly useless after taking off, and band is sat the child onboard, and the age children of particularly suckling are not too safe.

The utility model to provide exactly a kind of can be on bicycle safety strap sit the child, have windproof, rainproof, sun-proof function, can be placed on undergroundly again as the seat for children perambulator, can also draw the seat for children of being convenient to carry of using in by folding more.

Accompanying drawing 1 to 10 has been represented a kind of specific embodiments of the utility model.Wherein, accompanying drawing 1(is as Figure of abstract) running condition of expression when hanging on the bicycle, running condition when long and two-short dash line represents that the chair leg launches to be placed on the ground among the figure, comprise mounting (1), wheel (2) and (29), preceding back leg (28) (3), front and back back plate (26) (4), screw (5) (6) (11) (19) (21) (22) (25) (31) (32), rivet (8) (10) (15) (24), tension band (7), chair back rack (9), chair cushion (12), shelf (13), lift frame (14), guide beam (16), wind-blocking stent (17), entablatrance frame (18), front strut (20), arc curved beam (23), connecting rod (30), tension bar (34), hasp (35), spring (36), keep out the wind (37).(clear, keep out the wind and the chair body separates picture) in order to illustrate

Accompanying drawing 2 is illustrated in folding and lifts state in the process.State behind the accompanying drawing 15 expression foldings (chair cushion and the picture that keeps out the wind all).

Accompanying drawing 3 expression wind-blocking stent block constructions comprise ball seat plate (38), pressing plate (39), wind headed bolt (40) and spherical cap (41).

Accompanying drawing 4 expressions lift the frame block construction, comprise framework (42), strut rail (43) depression bar (44), pressure cap (45), back-up ring (46), stage clip (47) (51), key seat (48) (50), pin (49), skewback (52) and work pile (53).

The forward and backward structure support plate shape of accompanying drawing 5,6 expressions.

Accompanying drawing 7 expression chair back rack block constructions comprise frame (54), extension spring (55), arc (56) and horizontal stripe (57) (58).

The structural representation of the integrated chair cushion of accompanying drawing 8 expressions comprises seat board (59), chair back plate (60), foam-rubber cushion (61) (62), tread plate (63), snapper (64) (65).

The structural representation of accompanying drawing 9 expression chair leg latching devices, in extension spring (67), fixing screw (66) are arranged.

Accompanying drawing 10 represents to keep out the wind block construction, comprises following air baffle (68), goes up air baffle (69), rain cover (70), steel wire (71), spring leaf (72), rivet (73), strut bar (74) and bakelite ball (75).

Accompanying drawing 11 has been represented another embodiment structural representation of the utility model chair leg, has increased wheel shaft (76), packing ring (77) and nut (78).

Accompanying drawing 12 to 14 has represented that existing bicycle use carries children's seat, chair scheme drawing

Use seat for children by the folding type that the utility model proposes more, mainly comprise mounting (1), chair back rack (9), chair leg (28,3), a pair of upper end curve hook front strut (20) but and be connected between the two and the arc curved beam (23) of up-down adjustment position, pair of links (30), an entablatrance frame (18) and guide beam (16) thereof, a pair of tension bar (34), two tension bands (7) and chair cushion (12) etc., it is characterized in that having one with mounting movable connects also vertical pass guide beam lift frame (14), the a pair of preceding back plate (26) that is fixed on the front strut lower end, the a pair of back back plate (4) that is fixed on tail behind the mounting, keep out the wind (37) that can regulate height and orientation, and, preceding chair leg and back leg, chair back rack connects with the front and back back plate is movable respectively.

Use seat for children by the folding type that the utility model proposes more, can allow children put and put both hands, also can place toy for playing lifting usefulness screw (a 31) installation movable shelf (13) on the frame.In addition, can dismantle and regulate the orientation in order to make to keep out the wind, be provided with wind-blocking stent (17), as long as unscrew wind headed bolt (40), open spherical cap (41), the bakelite ball (75) that is fixed on keeping out the wind can withdraw from from the groove of spherical cap, meet cold day or windy day, the bakelite ball can be put in the spherical cap (promptly load onto and keep out the wind), suitably tightening screw just can, during use, can pull strut bar (74) and keep out the wind and the inclination angle of vertical direction and the position, the left and right sides in horizontal surface according to situations such as wind directions with adjusting, can according to the cyclist with child's actual conditions, air baffle on the pull (69) is met rainy day or fine day with the adjusting height that keeps out the wind, and rain cover (70) also can be loaded onto with rainproof or sunshade in last air baffle top.

For comfortable softness, with being made of one of flexible material chair cushions (12) such as fabrics, the chair back, chair side are all filled out lining by it and are lived, and middle one can be blocked child's navel before the chair, and the part that down protrude on both sides is for child's step.Whole chair cushion is made separation-type with many snappers, can pull down just to wash solarization after urine is dirty.For shockproof, can be provided with antivibration spring (36) on the mounting under the seat cushion

On the back leg small wheels (29,2) is housed respectively before of the present utility model, launches the chair leg and be put on the ground, just become perambulator, at this moment, keeping out the wind can be used as pushing hands, uses the time spent on bicycle, as long as the chair leg is turned up, hook is hung on the handlebar, arc curved beam center arc blocks handlebar axis at once.Because the arc curved beam can be regulated upper-lower position along one section line of rabbet joint (seeing the partial enlarged drawing II) of front strut, so no matter to the bicycle of which kind of specification of which kind of pattern, the utility model is all applicable.

For just with folding, at first be fixed with preceding back plate (26) with rivet (24) in the front strut lower end, afterbody at mounting is fixed with back back plate (4) with rivet (10), preceding chair leg (28) connects with screw (25) and the activity of preceding back plate, back leg (3) connects with the back back plate is movable with screw (5), thereby the chair leg can folding or expansion on corresponding back plate.Secondly, the following cause screw (6) of chair back rack connects with the back back plate is movable, also can folding or expansion.The 3rd, shelf with lift frame and connect with screw (31) is movable, during the chair folding, it can be dug or swings time.The 4th, one end of tension bar (34) connects with the back back plate is movable with screw (11), the other end is opened a groove (seeing the partial enlarged drawing I) along line of centers, screw (32) passes this groove and is fixed on entablatrance frame side center, and when deployed condition, screw (32) blocks the groove end, the power that is subjected on the mounting is by being delivered to here on hook and the arc curved beam, during folding, screw (32) slides in this groove, just makes folding feasible.The 5th, tension band (7) two ends use rivet (8,15) to be fixed between chair back rack and the entablatrance frame respectively, usefulness be flexible material, do not influence folding.At last, connecting rod (30) uses screw (22,33) activity to connect respectively with front strut and mounting, lift frame (14) dual-side and vertically pass the middle line of rabbet joint of two guide beams (16), like this, lift up pull (see figure 2) of frame as long as catch, whole seat for children just folding (is seen Figure 15) together, only needs one hand just it can be carried away, and the another hand can be vacateed and embrace a child.Also have, integrated chair cushion (12) is mainly made by materials such as fabrics, does not also influence folding.

For seat for children each movable part when the deployed condition can be located, taked following way: the first, lift frame dual-side bottom and be provided with work pile (53), when chair expansion and mounting and connecting rod were 180 °, it was just in time blocked by connecting rod.The latching device that lifts simultaneously on the frame is dead this stationkeeping, its structure is: depression bar (44) passes the hole that lifts frame upper side frame and strut rail (43) center, cover spring (47) thereon withstands the back-up ring (46) that is fixed on the depression bar, make it keep upper, crosspiece one face down bonding has key seat (48) 50), pin (49) passes the centre hole of two key seats, cover stage clip (51) thereon withstands gib head and key seat, but since the top power of skewback (52) with pin press directly push up side frame toward one side till, guide beam (16) is stuck between crosspiece and the pin, lifts frame and is locked.When needing folding, as long as pressing cap (45) down, depression bar moves down, and pin ejects along skewback under the effect of stage clip (51), lift on again frame just can, hand of whole operation just can carry out.The second, chair back rack, chair leg all are provided with catch gear, make them when folding or deployed condition, are locked at corresponding position separately.

Below further describe the utility model by specific embodiment, but the utility model is not subjected to the restriction of these embodiment.

Embodiment 1:

A kind of specific embodiment that accompanying drawing 1～accompanying drawing 10 is showed, following all frame members of its structure, except that specified otherwise, all use under the wide 15mm(unit with, do not annotate in addition) thick 2.5～3 galvanized iron lath makes.Mounting is long by 300 by two, at a distance of 100 parallel strip be bent into symmetry " " type; head length 190; afterbody is long by 30; at tie-beam of distance head 45 places weldering; the angle bar tie-beam of one 15 * 15 of the 100 places weldering of being separated by again, form a mounting integral body, the hole (hole dimension under with) of respectively opening φ 4 at distance head 10 and center, 55 place is for mounting screw (27,33); afterbody is equidistantly made a call to two holes, in order to back plate after fixing.Totally four of antivibration springs are installed in the both sides of mounting tie-beam respectively.Length of connecting rod 140, two ends respectively bore a hole, connect front strut and mounting in order to difference mounting screw (22,33) with activity.

Two parallel front struts long 250, two holes are respectively opened in the bottom, with the fixing preceding back plate of standby rivet (24), 70 places respectively open a hole at the bottom of distance, for connective pole, rise and respectively open one 40 * 5 groove at 80 places at the bottom of distance, with fixing arc curved beam that can the up-down adjustment position, the hook that is bent into R10 after 90 ° is forward reversed on top, is fixed on the entablatrance frame with screw (19).Arc curved beam symmetric curvature, that garden, center arc R=13, so that be stuck on bicycle handle bar's axle, each makes a call to a hole two ends, is fixed on the appropriate location of the front strut line of rabbet joint with screw (21).

The entablatrance frame is converted into 45 * 250 rectangular frame, the screw of a M4 is respectively attacked at the broadside center, in order to screwing on screw (32), two guiding beam lengths 45, longitudinally axis is opened one 20 * 4 the line of rabbet joint, is symmetrically welded in the framework line of rabbet joint center-to-center distance 110 abreast with broadside, on a long limit, 100 make a call to two holes symmetrically apart, prepare against fixedly front strut and wind-blocking stent (17).

Lift the doorframe on a frame picture no base, high by 215, wide by 110, crosspiece and upper side frame are at a distance of 70, and dual-side is just in time pushed up down from the line of rabbet joint of guide beam, and a hole is respectively opened in its bottom, connect so that standby screw (27) and mounting are movable, up 12 places respectively attack the screw of a M4, with installing and locating stake (53).Work pile length overall 20, one ends are 5 * M4 screw rods, and the other end is the garden post of 15 * φ 6.Lift the frame side and respectively open a hole, with the movable shelf that connects of standby screw (31) apart from 65 places, top.Shelf is 200 * 100 * 2.5 ABS plastic plate, and a side is stretched out two parallel ears with holes symmetrically, uses for connecting.When chair launches, rest on the entablatrance frame frame and just in time be level attitude.

The front and back back plate is all used thick 2.5 steel plate, preceding back plate is the most gardens of φ 60, chair leg before heart hole, garden (80) connects in order to activity, on the garden heart axis parallel, all opening two holes (81,82) with string, for being fixed on the front strut, this axis and outer garden intersection are respectively opened bent mouthful (79,83) of a R5.Back back plate profile is made up of two sections garden arcs and a broken line, centre hole (84) connects back leg in order to activity, below one section garden arc be the garden heart with it, R is 30, hole (89) be in hole (84) at a distance of 10, on the straight line of 70 ° of angles of transverse axis, it connects chair back rack in order to activity, the garden arc of second section R30 is exactly to be the garden heart with it, it opens one bent mouthful (88) with following garden arc intersection, bent mouthful (90) are arranged on the garden arc that this axis extends to, bent mouthful (85) also are 70 ° with the transverse axis angle, are 10 hole (8687) open two spacings below the transverse axis on 10 parallel lines, are fixed on the mounting afterbody with standby rivet (10).

Chair back rack curves does not have go to the bottom trapezoidal, upper base 220, go to the bottom 255, high by 200, a hole is respectively opened in the dual-side bottom, be actively connected on the back plate of back 30 center lines of rabbet joint of respectively opening one 12 * 5 at the bottom of distance, horizontal stripe (57 with standby screw (6), 58) all be the iron bar of φ 4, the parallel scuncheon that is welded in, spacing 50, arc (56) also curve with the iron bar of φ 4, pass the line of rabbet joint of the bow end below frame, bent body interted two horizontal stripes, the center is with an extension spring (55) and last horizontal stripe (57) tension, and when the chair back launched, the bow end was self-locking in the back back plate bent mouthful (90) because of the extension spring effect.

The chair leg is all used the ABS plastic pipe of φ 25～30, preceding chair leg long 90, back leg long 170, each all has one 15 * 5 central channel their upper ends, a fixing screw (66) is fixed at 25 places under the groove, and screw (5) passes from groove with (25), is fixed on the back plate, there is an extension spring (67) that the extension of fixing screw (66) is stuck in the bent mouth of back plate between two screws, promptly when expansion or folding, can both locks.The lower end is φ 40 small wheels fixedly, have commercially available.

Hasp (35) curves and corresponding half garden of chair leg diameter with wide by 5, thick 1.5 lath, and the vertical riveting of an end is on tension bar, and mouth down when the back leg folding, just in time is clamped in the hasp, makes it to locate more firmly.

Integrated chair cushion is made with the flannelette cutting and is formed, accompany sponge (61) and three ply wood (59) in the seat cushion, accompany sponge (62) and three ply wood (60) in the back pad, the seat cushion front end is made three wide 90 vertically hung scroll, one of centre is long by 420, the length on both sides each 500, its position, stage casing accompanies 100 * 90 set square (63), the end of vertically hung scroll all is sewed with corresponding snapper (65), so that button is on the entablatrance frame, middle one is played the stomacher effect, becomes step under the swinging of both sides, tops such as back pad are also similar makes some snappers (64), so that button is on chair back rack and tension band.

The ball seat plate (38) of wind-blocking stent is thick 2 steel plate, is cut into the shape length 120 as Fig. 3, and is high by 80, beneath two hole symmetries, and spacing 110 is used to pass screw (19) and is clipped between front strut and the entablatrance frame.The concave curved surface of R13 of middle suitable position punching press high 5,15 places open one 10 * 4 oblong aperture below the heart of curved surface garden, 20 places, top open hole, a garden, in order to installing wind headed bolt (40), spherical cap (41) is stamped to form by thick 1.5 iron plate, radius of a ball R=13, the ball center is the hole of φ 15, the top has one wide 12 linchpin mouth to extend to the end, and one wide 10 hook is arranged at the bottom, is used for colluding at ball seat plate square hole, pressing plate is 20 * 10 * 2 iron plate, a hole is opened at the center, pierce into wind headed bolt after, push down the linchpin mouthful.Bakelite ball on keeping out the wind is put into the spherical cap center exactly from linchpin mouthful, compressed by wind headed bolt, existing certain friction force, can be pulled the orientation of keeping out the wind with adjusting again.

Air baffle is made with ABS plastic, thick 2～3, all curve cylinder, R1000, following air baffle (68) high by 300, wide 425, there are bar 4 * 4 crimpings its lower end, the equidirectional half frame shape that curves of two side direction, the gap is 6, the inside is with the fixing spring leaf (72) done of p-cu peel of pipe rivet (73), the upper vertical of its central axis is fixed a φ 12, long 12 metal tube (74), and the bakelite ball of a φ 25 is equipped with in the end of metal tube, whole just keeping out the wind by the bakelite ball chuck on this root metal tube in shelves wind support.Last air baffle (69) is high by 470, and wide by 415, the top is arcuation.It can inject down in the frame of air baffle, relies on the elastic force of spring leaf (72) to arrive the height that needs by pull.Its top is injected with some narrow meshed vertical projections, and bent mouthful an of R1 opened in each projection top, and rain cover (68) is sewn on the steel wire (71) by 420 * 200 silk and makes, and 150 ° of steel wire lower end bendings are inserted in the protruding rod hole, are used to keep off the rain or sunshade.

Embodiment 2:

For expendable weight, following member is used the ABS plastic injection moulding instead and made: mounting, connecting rod, entablatrance frame, chair back rack, other dimensional structure are with embodiment 1.

Embodiment 3:

The chair leg is used thick 3, wide 20 ABS plastic plate instead, and as shown in Figure 11, its upper end locking mechanism is embodiment 1 roughly the same, just the wheel of lower end with spool (76) and a nut (78), fill out circle (77) and be fixed on leg bar one side.Simultaneously, hasp (35) becomes flat folder shape by the garden arc.

Claims (8)

1, a kind ofly be suitable for being hooked on the folding type that carries the child in the bicycle handle bar and use seat for children more, comprise horizontal mounting (1), chair back rack (9), article four, chair leg (28) (3), a pair of upper end curves the vertical front strut (20) of hook and is connected between the two arc curved beam (23), two movable connecting rods (30) that connect front strut and mounting, an entablatrance (18) and a guide beam (16) thereof that places the front strut top, a pair of tension bar (34), a pair of tension band (7) and chair cushion (12) etc., it is characterized in that having one with mounting movable connects also vertical pass guide beam lift frame (14), the a pair of preceding back plate (26) that is fixed on the front strut lower end, the a pair of back back plate (4) that is fixed on tail behind the mounting and a detouchable keep out the wind (37), preceding chair leg connects with preceding back plate is movable, and back leg and chair back rack all connect with the back back plate is movable.

2, use seat for children by the described folding type of claim 1 more, it is characterized in that lifting movable shelf (13) is housed on the frame, and have location and latching device.

3, use seat for children by the described folding type of claim 1 more, it is characterized in that all having on the forward and backward back plate bent mouthful of location.

4, use seat for children by the described folding type of claim 3 more, it is characterized in that chair back rack is equipped with self-locking mechanism, on the forward and backward chair leg self-locking mechanism is housed also, and wheel (29) (2) is housed in the end.

5, use seat for children by the described folding type of claim 1 more, it is characterized in that being made of one of chair cushion (12).

6, use seat for children by the described folding type of claim 5 more, it is characterized in that being equipped with between seat cushion and mounting antivibration spring (36).

7, use seat for children by claim 1,2,3,4,5 or 6 described folding types more, it is characterized in that said keeping out the wind (37) has height and orientation regulating mechanism.

8, use seat for children by the described folding type of claim 7 more, have detouchable rain cover (70) on it is characterized in that keeping out the wind (37).

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