CN2203943Y

CN2203943Y - Folding handcart

Info

Publication number: CN2203943Y
Application number: CN 94223678
Authority: CN
Inventors: 苏中修
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-10-19
Filing date: 1994-10-19
Publication date: 1995-07-26
Anticipated expiration: 2004-10-19

Abstract

The utility model relates to a folding handcart which is characterized in that both ends of an n-shaped handle are provided with pivoting bases and are sheathed with C-shaped buckles. The two pivoting bases are sheathed with cap-shaped eccentric pipes, both ends of the cap-shaped eccentric pipes are provided with lantern rings, and the middle sections of the eccentric pipes are sheathed with eccentric rings which are pivoted with sliding bases. The upper and the lower positions of the lower section of an N-shaped supporting bar are respectively sheathed with a rotating base and a stopping base, the rotating base is connected with the straight section of an L-shaped wheel frame, and the stopping frame is connected with the longitudinal section of the wheel frame. Two L-shaped wheel frames are provided with movable rings connected with the sliding base, and the supporting bar is pivoted with an article holding frame. The external edge of a pivoting slot of a sleeve pillar of the article holding frame is providing with an L-shaped clamping slot, and the front side of the pivoting slot of a sleeve rod is provided with a stopping piece. The utility model is easy to fold and unfold, and does not occupy space.

Description

Folding handcart

The utility model relates to a kind of improved Foldable pushcart.

At present, the Foldable pushcart that generally is used to do shopping, carry has multiple, the common issue with that their exist be folding with launch bothersome loaded down with trivial detailsly, need just can finish through multi-pass operation, use and collection inconvenience, and built on the sand.

The purpose of this utility model is a kind of good stability to be provided, to fold and to use Foldable pushcart simple to operate.

The purpose of this utility model is achieved in that what Foldable pushcart was made up of ㄇ shape handle, eccentric pipe, slip pipe, two wheel carriers, rack, two strut bars and two wheels, the wheel cutter is contained in the bearing seat of wheel carrier by axle center, bearing envelope, nut, the handle two ends connect an inside pivot connecting seat of a tool dome and a buckling base, dome socket one eccentric pipe; Eccentric pipe stage casing protuberance is hat, two ends are respectively overlapped one and are articulated the collar, two articulate the collar respectively a dome, is connected two post uppers, and its stage casing protuberance is with two eccentric rings, cover one articulates the collar on the eccentric pipe between two eccentric rings, it has a dome, and cover is connected in the slip pipe upper end, and two eccentric rings have eccentric orfice, articulate swing arm upper end, and the slide of swing arm lower end and slip pipe articulates; Slip pipe upper end cover is connected in the pivot joint collar dome upper and lower end cover connecting sleeve lever of eccentric pipe stage casing protuberance, and the loop bar end is socketed in the loop bar pivot connected slot of rack, is with slide on the slip pipe, and slide can be along slip pipe slippage up and down; The slide both sides respectively are provided with two upper lug, following lug up and down, and two upper lug articulate two swing arm lower ends, and two times lugs articulate the upper end of two traces, and the trace lower end is connected with the wheel carrier shifting ring; Wheel carrier is L-shaped, and upper and lower side is connected with rotary seat, the block seat of strut bar; The straight section of wheel carrier is with the rotatable shifting ring in location, shifting ring has lug, articulate with the lower end of trace, have short slot at crosspiece end port downside, open end is inserted in connection by the sleeve pipe on the block seat of strut bar, short slot is nested with protrusion by the locking block of block seat, and wheel carrier upper end cover is connected on the rotary seat sleeve of strut bar; Strut bar is N shape, the upper end is connected with the pivot joint collar of eccentric pipe, the lower end is connected with the sleeve column pivot connected slot of rack, and the stage casing is with rotary seat, and its lateral margin extends sleeve, be inserted in the upper end that connects wheel carrier, hypomere cover block seat, its lateral margin extends a sleeve pipe, and casing pipe sleeve is connected in the wheel carrier crosspiece end port, and articulate sleeve column with one and be enclosed within the strut bar lower port, insert in the sleeve column pivot connected slot that is articulated in rack; Rack after-frame bar both sides respectively are provided with the sleeve column pivot connected slot, articulate the sleeve column of strut bar and strut bar; The one loop bar pivot connected slot that connects is arranged between two sleeve column pivot connected slots, articulate the loop bar lower end of slip pipe institute socket.There is a breach buckling base front side that handle two ends interlock to the C of strut bar shape button, and its rear side has horizontal trepanning, connects a connecting rod between the trepanning of two buckling bases.Two loop bar pivot connected slot outer rims of rack have extended L shaped fastening groove; There is retaining piece the loop bar pivot connected slot front side of rack.

Owing to adopt such scheme, the firm performance of the utility model is strong, and expansion is folded simple to operate with receipts, is convenient to transportation, carries and collect.

Below by accompanying drawing and embodiment the utility model is further described.

Fig. 1 is the utility model example structure exploded drawings.

Fig. 2 is buckling base 12 shape figure among the utility model embodiment.

Fig. 3 is buckling base 12 top view cutaway views among the utility model embodiment.

Fig. 4 is the utility model embodiment elevational cross-sectional view.

Fig. 5 is that eccentric pipe 2 articulates scheme drawing with slide 3 among the utility model embodiment.

Fig. 6 is that wheel carrier 4 articulates scheme drawing with strut bar 5, rack 6 among the utility model embodiment.

Fig. 7 is the utility model embodiment expansion drawing.

Fig. 8 is the utility model embodiment eccentric ring 23, slide 31 action scheme drawings.

Fig. 9 is the folding front elevation of the utility model embodiment.

Figure 10 is the utility model embodiment slide 31 block diagrams.

Among the figure: 1 handle, 11 pivot connecting seats, 110 domes, 12 buckling bases, 120C shape button, 121 trepannings, 130 connecting rods, 2 eccentric pipes, 21,22 articulate the collar, 210,220 domes, 23 eccentric rings, 230 eccentric orfices, 231 groovings, 24 set collars, 25 swing arms, 3 slip pipes, 31 slides, 32 upper lug, 321,331 groovings, 320,330 mesopores, 33 times lugs, 34 traces, 35 loop bars, 4 wheel carriers, 41 shifting rings, 42 lugs, 421 groovings, 420 mesopores, 43,44 set collars, 45 short slots, 46 bearing seats, 5 strut bars, 51 rotary seats, 511 sleeves, 52 block seats, 521 sleeve pipes, 522 locking blocks, 53,54,55,56 set collars, 57 sleeve columns, 6 racks, 61 sleeve column pivot connected slots, 62 fastening grooves, 63 loop bar pivot connected slots, 64 retaining pieces, 7 wheels, 71 axle center, 72 bearings, 73 bearings envelope, 74 nuts.

Shown in Fig. 1,7,9, the utility model embodiment is made up of handle 1, eccentric pipe 2, slip pipe 3, two wheel carriers 4, two strut bars 5, rack 6 and two wheels 7; Handle 1(Fig. 1,5 and Fig. 7,8) be the ㄇ shape, pivot connecting seat 11 and buckling base 12 that each cover unification tool dome of two ends 110 is inside adopt the rivet rivet clasp; There is a breach front side of buckling base 12 to the C of strut bar 5 shape button 120, and its rear side is established 121 of horizontal trepanning 121, two trepannings and is connected the rivet rivet clasp with a connecting rod 13, make connecting rod 13 when handle 1 folds, supply to guide and support usefulness, and 110 cover unifications of the dome of two pivot connecting seats 11 eccentric pipe 2.

Shown in Fig. 1,5,7,8,9; Eccentric pipe 2 is hat, its two ends are respectively overlapped one and are articulated the collar 21, and be inserted in also set collar 24 location of rivet clasp in advance by one, and therein the section protuberance in advance fit two eccentric rings 23 with one the pivot joint collar 22, it just is nested with 23 of two eccentric rings, two eccentric rings, 23 rivet clasps are at the stage casing of eccentric pipe 2 protuberance, make handle 1 borrow eccentric pipe 2 to be articulated in three and articulate the

collar

21,22, collapsible expansion turn, and eccentric pipe 2 two ends articulate the upper end that the dome 210 of the collar 21 respectively is linked in two

strut bars

5,22 tool domes of the pivot joint collar, 220 fit slip pipes, 3 upper ends of eccentric pipe 2 stage casing protuberances, closing-up, two eccentric rings 23 have eccentric orfice 230 in addition, eccentric orfice 230 has grooving 231, it can be nested with a swing arm 25 upper ends, passes rivet clasp with rivet according to eccentric orfice 230 and articulates, and then rivet with the slide 31 of slip pipe 3 swing arm 25 lower ends.

Shown in Fig. 1,5,7,8,9,10; 22 tool domes 220 of the pivot joint collar of slip pipe 3 upper end fit eccentric pipes 2 stage casing protuberances, a loop bar 35 is overlapped in the lower end, be nested with in the loop bar pivot connected slot 63 of rack 6 with loop bar 35 ends, rivet clasp is fixed, be with a slide 31 in the slip pipe 3, slide 31 can be according to slip pipe 3 slippages, and its both sides locate to establish two upper lug 32 up and down, following lug 33, and each tool one grooving 321,331 and one mesopore 320,330, be nested with swing arm 25 lower ends with the grooving 321 of upper lug 32, pass mesopore 320 riveted joints through rivet, and grooving 331 covers of two times lugs 33, put the upper end of two traces 34, pass mesopore 330 rivet clasps through rivet and articulate, by shifting ring 41 pivot joints of trace 24 lower ends and wheel carrier 4.

Shown in Fig. 1,6,7,9; Wheel carrier 4 is L-shaped, upper and lower side each with the rotary seat 51 of strut bar 5, block seat 52 connects, the straight section of wheel carrier 4 is nested with a shifting ring 41, and the straight section that shifting ring 41 is located up and down respectively is with a

set collar

43,44, two

set collars

43,44 rivet rivet clasps, make shifting ring 41 at two

set collars

43,44 location, but turn, shifting ring 41 has a pair of lug 42, have grooving 421 and mesopore 420 on it, grooving 421 is nested with the lower end of trace 34, pass mesopore 420 riveted joints with rivet, and at straight section and crosspiece corner one bearing seat 46 is arranged, wheel 7 capable of being combined, and have a short slot 45 at crosspiece end port downside, its open end is fashionable by 52 tool sleeve pipes of block seat, 521 covers of strut bar 5, and the locking block 522 that short slot 45 extends downwards for sleeve pipe 521 is nested with and protrudes, and is fixedly connected with the sleeve pipe 521 of closing-up block seat 2, the sleeve 511 at the rotary seat 51 of strut bar 5 then is inserted in wheel carrier 4 upper ends, and rivet connects.

Strut bar 5 is N shape, rivet with the pivot joint collar 21 of eccentric pipe 2 upper end, sleeve column pivot connected slot 61 riveteds of lower end and rack 6 articulate, middle section cover unification rotary seat 51, it is with two set collars 53 through the rivet rivet clasp, 54 location, but make rotary seat 51 turns, and the lateral margin of rotary seat 51 extends a sleeve 511, can be inserted in the upper end of wheel carrier 4, rivet clasp connects, and unifies block seat 52 at the following place of hypomere cover in addition, block seat 52 is with two

set collars

55,56 location, but make 52 turns of block seat, block seat 52 lateral margins have extended a sleeve pipe 521, and sleeve pipe 521 extends a locking block 522 downwards, and it is involutory according to the short slot 45 of wheel carrier 4 crosspiece ends with locking block 522, and be inserted in the wheel carrier 4 crosspiece end ports with sleeve pipe 521, and articulate sleeve column 57 with one and be fixed in strut bar 5 lower port, and place in the sleeve column pivot connected slot 61 of rack 6, rivet clasp articulates rack 6.

Respectively there is a sleeve column pivot connected slot 61 rack 6 after-frame bar both sides, articulate strut bar 5 and its pivot joint sleeve column 57 with closing-up, and sleeve column pivot connected slot 61 outer rims extend a L shaped fastening groove 62, can block the locking block 522 that backstop is ended seat 52, and establish a loop bar pivot connected slot 63 that connects 61 of two sleeve column pivot connected slots, to be nested with loop bar 35 lower ends of 3 sockets of slip pipe, rivet clasp articulates, make rack 6 can with loop bar 35 turns, and establish a horizontal retaining piece 64 in the front side of loop bar pivot connected slot 63, when retaining piece 64 launches at rack 6, but block loop bar 35 cooperates two sleeve column pivot connected slots, 61 blocks, two strut bars 5; Wheel 7 is nested with bearing 72 and is set in wheel 7 by an axle center 71, cooperates bearing envelope 73 to be nested with in the bearing seat 46 of wheel carrier 4, rolls for transportation.

Shown in Fig. 7-9; Two pivot connecting seats 11 of handle 1 connect eccentric pipe 2, eccentric pipe 2 connects two strut bars 5 with the pivot joint collar 21 that its location, two ends articulates, and the pivot joint collar 22 that its protuberance location, stage casing articulates connects slip pipe 3, and articulate two swing arms 25 with two fixing eccentric rings 23, two swing arms 25 articulate two set upper lug 32 of slide that slip pipes 3 are nested with 31, when making handle 1 rotation, the loop bar 35 that eccentric pipe 2 makes slip pipe 3 be inserted in it does to contract, stretch activity, eccentric pipe 2 rises, descends according to slip pipe 3 with two swing arms, 25 pulling slides 31 together with 23 turns of two eccentric rings; And two times lugs 33 of slide 31 articulate two traces 34, two traces 34 articulate wheel carrier 4 and locate the shifting ring 41 that articulates, and the upper and lower end branch of wheel carrier 4 is fastened on strut bar 5 hypomeres rotary seat 51, the block seat 52 of the pivot joint of location, place up and down, when making slide 31 knee-actions, draw with two traces 34 and to push away shifting ring 41, make its turn, make wheel carrier 4 with rotary seat 51, block seat 52 as revolving fixed point, and do inside folding or outwards launch; And because the fastening groove 62 of rack 6 can be after two wheel carriers 4 launch, with the wheel carrier 4 terminal block seat 52 set locking blocks 522 that connected strut bar 5, be subjected to fastening groove 62 card fastening positions, and drive the lower end of 3 slip joint casings 35 of loop bar pivot connected slot 63 set retaining piece 64 block slip pipes of 6 with glove, two wheel carriers 4 are located fully; Handle 1 two ends institute bonded assembly two buckling bases 12, with the solid strut bar 5 of its C shape button 120 button after expansion, prevent handle 1 folding again, hand barrow is launched fully, have good stability, and two buckling bases 12 connect with a connecting rod 13, upwards amount at rack 6, handle 1 is amounted to downwards, after rack 6 front sides are lived in imbrication, borrow lever principle to borrow and guide and support, can prevent that rack 6 from launching with connecting rod 13.

Claims

1, a kind of Foldable pushcart, it is made up of Jiong shape handle, eccentric pipe, slip pipe, two wheel carriers, rack, two strut bars and two wheels, and the wheel cutter is contained in the bearing seat of wheel carrier by axle center, bearing envelope, nut, it is characterized in that:

A, handle two ends connect an inside pivot connecting seat of a tool dome and a buckling base, dome socket one eccentric pipe;

B, eccentric pipe stage casing protuberance are hat, two ends are respectively overlapped one and are articulated the collar, two articulate the collar respectively a dome, is connected two post uppers, and its stage casing protuberance is with two eccentric rings, cover one articulates the collar on the eccentric pipe between two eccentric rings, it has a dome, and cover is connected in the slip pipe upper end, and two eccentric rings have eccentric orfice, articulate swing arm upper end, and the slide of swing arm lower end and slip pipe articulates;

C, slip pipe upper end cover are connected in the pivot joint collar dome upper and lower end cover connecting sleeve lever of eccentric pipe stage casing protuberance, and the loop bar end is socketed in the loop bar pivot connected slot of rack, is with slide on the slip pipe, and slide can be along slip pipe slippage up and down; The slide both sides respectively are provided with two upper lug, following lug up and down, and two upper lug articulate two swing arm lower ends, and two times lugs articulate the upper end of two traces, and the trace lower end is connected with the wheel carrier shifting ring;

D, wheel carrier are L-shaped, and upper and lower side is connected with rotary seat, the block seat of strut bar; The straight section of wheel carrier is with the rotatable shifting ring in location, shifting ring has lug, articulate with the lower end of trace, have short slot at crosspiece end port downside, open end is inserted in connection by the sleeve pipe on the block seat of strut bar, short slot is nested with protrusion by the locking block of block seat, and wheel carrier upper end cover is connected on the rotary seat sleeve of strut bar;

E, strut bar are N shape, the upper end is connected with the pivot joint collar of eccentric pipe, the lower end is connected with the sleeve column pivot connected slot of rack, and the stage casing is with rotary seat, and its lateral margin extends sleeve, be inserted in the upper end that connects wheel carrier, hypomere cover block seat, its lateral margin extends a sleeve pipe, and casing pipe sleeve is connected in the wheel carrier crosspiece end port, and articulate sleeve column with one and be enclosed within the strut bar lower port, insert in the sleeve column pivot connected slot that is articulated in rack;

F, rack after-frame bar both sides respectively are provided with the sleeve column pivot connected slot, articulate the sleeve column of strut bar and strut bar; The one loop bar pivot connected slot that connects is arranged between two sleeve column pivot connected slots, articulate the loop bar lower end of slip pipe institute socket.

2, Foldable pushcart as claimed in claim 1 is characterized in that there is a breach buckling base front side that handle two ends interlock to the C of strut bar shape button, and its rear side has horizontal trepanning, connects a connecting rod between the trepanning of two buckling bases.

3, Foldable pushcart as claimed in claim 1 is characterized in that two loop bar pivot connected slot outer rims of rack have extended L shaped fastening groove; There is retaining piece the loop bar pivot connected slot front side of rack.