CN2133501Y

CN2133501Y - Folding perambulator

Info

Publication number: CN2133501Y
Application number: CN 92229243
Authority: CN
Inventors: 刘坤海
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-08-05
Filing date: 1992-08-05
Publication date: 1993-05-19
Anticipated expiration: 2002-08-05

Abstract

The utility model relates to a folding perambulator which is characterized in that a handle rod can be telescopically sheathed with a handle bar supporting rod. The telescopic handle rod is integrated with a handle seat in injection molding. The handle rod supporting rod is integrated with a folding fixing clamp block and the engaging seat of the rear leg of the handle rod in injection molding. A seat pad rod is integrated with a seat pad position adjusting strip in injection molding. A rear leg is integrated with a running wheel lower seat in injection molding. A front leg, the engaging seat of the front leg of the handle rod, a running wheel upper seat and a running wheel middle seat are integrated in injection molding. The utility model can save the assembling working hours, reduce the component processing programs and decreases the defective rate. Thus, the cost is relatively reduced, and the production efficiency is relatively increased.

Description

Folding perambulator

The utility model relates to a kind of folding perambulator.

With reference to Fig. 1, present folding perambulator includes:

Two handlebar stems 10, each riveting of top is provided with handle base 101, and side respectively has perforate within two handlebar stems 10, be to supply two tail ends of folding canopy frame (figure does not show) to plant respectively, and simultaneously its two medial surface of mat cooperates pad 102 that rivet is provided with respectively as the supported underneath of these folding canopy frame two tail ends, handlebar stem 10 lateral surfaces and be provided with and fold fixedly fixture block (figure does not show) one of therein can fix the card (figure does not show) that folds below the forward foot in a step 50 lateral surfaces when folding in addition;

Two handlebar stem rear foot joining bases 105 are located at the below of two handlebar stems 10 respectively with rivet 1091 rivetings, and articulate with the upper end of two rear feet 70 by running through adjustment screw rod 60 wherein respectively;

Two seat cushion position tabs 108.Be respectively equipped with and adjust sliding ditch 1081, and front end articulates by the nearly central part of pad and seat cushion bar 80 respectively, the sliding ditch 1081 of the adjustment of its tail end then supplies to run through being pivoted running through of adjustment screw rod 60 of handlebar stem rear foot joining base 105 respectively;

Two seat cushion bars 80, the medial surface of its two lateral surface and two handlebar stems 10 articulates, and two lateral surfaces of this two seat cushions bar 80 are also riveted with the front end of seat cushion position tab 108 respectively;

Two handlebar stem forward foot in a step joining bases 106, the below with handlebar stem 10 is articulated by rivet 98 respectively, and pivot joint is then run through by adjusting screw rod 60 respectively with the forward foot in a step 50 upper ends in its below;

Two forward foot in a step 50, the top articulates with handlebar stem forward foot in a step joining base 106 respectively, then L shaped joining piece of mat (figure does not show) and bottom bar (figure does not show) hold upper side to articulate before respectively in the below, afterbody in two forward foot in a step 50 then is provided with the movable wheel seat of honour 501 by rivet 98 respectively in addition, and be pivoted with seat 502 in the movable wheel with vertical shaft nail 507 respectively, and then each fixes following 503 riveteds of seat 502 in the activity wheel and movable wheel respectively, run through wherein front-wheel axostylus axostyle 504 two front-wheels 505 that are pivoted respectively with following 503 cooperation of activity wheel, have, the below riveting of the lateral surface of these two forward foot in a step, 50 one of them forward foot in a step is provided with folding card (figure does not show) can fix the fixedly fixture block (scheming not show) that folds at the lateral surface of handlebar stem 10 when folding of an elastomeric material again;

Two back of the body bars (figure do not show), for slightly be "

" shape; it articulates at point of crossing mutually; and its two front end by two L shaped joining pieces (figure do not show) respectively with two handlebar stems 10 after the side articulate; tail end of this two back ofs the body bar then is hubbed on respectively on the L shaped joining piece with two tail ends that fold connecting rod (figure does not show) respectively, and the end in addition by this L shaped joining piece articulates with lower portion two medial surfaces of two rear feet 70 respectively more respectively;

Two rear feet 70, the back segment position that is hubbed on handlebar stem rear foot joining base 105 is run through to adjust screw rod 60 respectively in its top, its below two medial surfaces then articulate by two front ends of L shaped joining piece (figure does not show) with bottom bar (figure does not show) respectively, in addition the tail end of this two rear foot 70 then each riveting be provided with the movable wheel seat 701 of the rear foot, can on the movable wheel seat 701 of this rear foot, run through trailing wheel axostylus axostyle 702 respectively and be pivoted two trailing wheels 703 and configuration back foot brake (figure does not show) respectively;

Two bottom bars (figure does not show) are to articulate at point of crossing mutually, and its two tail end is connected with the medial surface of two rear feet, 70 belows by L shaped joining piece (figure does not show) respectively, and its two front end then articulates by L shaped joining piece and the forward foot in a step 50 belows two medial surfaces respectively;

One foot-operated backing plate (figure does not show) is the bendable folding endurance, be two ends respectively riveting be located at the outside of the two L shaped joining pieces (figure does not show) of two bottom bars (figure does not show) front end;

Above-mentioned member is formed a kind of folding perambulator;

Right above-mentioned existing product often has following shortcoming:

1, handlebar stem, seat cushion bar, the forward foot in a step, the rear foot all must bother, and adopt its intensity difference of hollow iron pipe through work programmes such as Pipe Cutting, bending, shaping, baking vanish very much, and safety is low.

2, too many place must use rivet to rivet, and it as long as have a position riveted not good as everyone knows, is easy to cause off gauge except member is numerous and diverse.

3, numerous and diverse because member is many, increase machining period and cost relatively, and very inconvenient on the part management.

4, the member of too many iron material, scratch child's possibility is bigger.

5, required artificial many, and labor management at present, cost cause the very big difficulty of manufacture, and this kind commonly used product structure and increased artificial consumption virtually, reduces the competitiveness for international export markets relatively.

6, the plastic material of region of interest such as handlebar stem, canopy frame, the forward foot in a step, the rear foot is easy to generate friction with mutual the engaging of iron parts, shakes tolerance and form the gap generation, damages even cause fracture and cause.

The purpose of this utility model is to overcome above-mentioned existing product shortcoming and a kind of folding perambulator is provided, in the time of can saving the assembler with reduce the member work programme and reduce percent defective, relative cost-cutting is also enhanced productivity and safety, and make this product have the competitiveness of the export trade striven for, and can avoid the wearing and tearing of the mutual pivot joint of iron pipe member and plastic member or the fixing prolonged generation in back and cause structural unstable problem.

The purpose of this utility model reaches as follows: a kind of folding perambulator includes:

Two handlebar stems, top respectively are provided with handle base, and side respectively has the perforate of planting for two tail ends of folding canopy frame within two handlebar stems, and are respectively equipped with the pad as the supported underneath of these folding canopy frame two tail ends in its two inboard; Two handlebar stem poles, its underpart are provided with handlebar stem rear foot joining base by rivet and end and the pivot joint of handlebar stem forward foot in a step joining base under this two handlebar stems pole;

Two seat cushion bars, its two lateral surface is hinged by the medial surface of pad and described two handlebar stem poles, and two lateral surface bottoms of this two seat cushions bar are provided with a seat cushion position tab by pad respectively, and wherein are penetrated with the adjustment screw rod of handlebar stem rear foot joining base in the sliding ditch of this seat cushion position tab tail end respectively;

Two forward foot in a step, its upper end is provided with handlebar stem forward foot in a step joining base, and rivet with two handlebar stem pole lower ends, afterbody in two forward foot in a step then is arranged with seat in the movable wheel seat of honour, the movable wheel, cover for seat was closed fixing under seat was taken turns with activity during activity was taken turns, run through the front-wheel axostylus axostyle in it and articulate two front-wheels respectively with following cooperation of this activity wheel respectively, in addition, the riveting of the lateral surface of this one of them forward foot in a step of two forward foot in a step below is provided with the card that folds that folds fixing fixture block of lateral surface that can fixing of an elastomeric material be located at handlebar stem pole when folding;

Two the back of the body bars, its slightly be "

" shape; and it is hinged at point of crossing mutually; that and its two front end is hinged with the trailing flank of two handlebar stem poles respectively by two L shaped joining pieces; that and tail end of this two back ofs the body bar is hubbed on respectively on the L shaped joining piece with two tail ends that fold connecting rod, and the other end by this L shaped joining piece articulates with the lower inside surface of two rear feet respectively more respectively;

Two rear feet, its upper end is respectively by running through the rear portion that wherein adjustment screw rod is hubbed on the handlebar stem rear foot joining base of described handlebar stem, its below two medial surfaces then articulate by two rear ends of L shaped joining piece and bottom bar respectively, tail end at this two rear foot then respectively is provided with the movable wheel seat of the rear foot in addition, and establishes two trailing wheels and configuration back foot brake by the hind axle bar pivot that runs through wherein respectively;

Two bottom bars, it is hinged at point of crossing mutually, and its two tail end is connected with described two rear foot lower inside surface with L shaped joining piece respectively, and its two front end then articulates with L shaped joining piece and described forward foot in a step below two medial surfaces respectively;

One foot-operated backing plate is the bendable folding endurance, and its two ends are riveted on respectively on the two L shaped joining pieces of described two bottom bar front ends;

Of the present utility model being characterised in that:

The top of described handlebar stem pole is provided with sliding ditch, the bottom hollow of described handlebar stem and with the top of this handlebar stem pole by the mutual fit of the pin that runs through said two devices, equidistantly be provided with a plurality of grooves this handlebar stem pole by the surface of fit part, be hinged on the PS (Push Switch) on the described handlebar stem, the one end forms a plush copper, just may be stuck in this groove, be installed with a spring between its other end and the described handlebar stem;

Described two handlebar stems, with the pad of the handle base on described its top, medial surface with integrally moulded; Described handlebar stem pole respectively with the handlebar stem rear foot joining base of the pad that folds fixedly fixture block, medial surface of described its lateral surface and bottom with integrally moulded;

Described two seat cushion bars, respectively with described its outside basifacial pad and seat cushion position tab with integrally moulded;

Described two rear feet, respectively with the movable wheel seat of the rear foot of described its tail end with integrally moulded;

Described two forward foot in a step are taken turns following with integrally moulded with the handlebar stem forward foot in a step joining base of described its upper end and the activity wheel seat of honour, the activity of described its afterbody respectively.

The purpose of this utility model can also following mode reach: on following of the wheel of the activity below the described forward foot in a step, the axle hole seat that wears for described front-wheel axostylus axostyle is oblong, and be provided with spring, and this spring one end is fixed on following of the described movable wheel, and the other end connects described front-wheel axostylus axostyle.

On the movable wheel seat of the described rear foot, the axle hole seat that wears for described trailing wheel axostylus axostyle is oblong, and is provided with spring, and this spring one end is fixed on the movable wheel seat of the described rear foot, and the other end connects described trailing wheel axostylus axostyle.

Described plastics are nylon plastic(s) or polypropylene impact resistant plastics or rigidity plastics.

Now cooperate and graphicly be described as follows in detail:

Graphic explanation:

Fig. 1 is the part three-dimensional exploded view of existing folding perambulator.

Fig. 2 is a part three-dimensional exploded view of the present utility model.

Fig. 3 is a three-dimensional assembly diagram of the present utility model.

Fig. 4 is that following generalized section is taken turns in the activity of the utility model forward foot in a step below.

Fig. 5 is the generalized section of the movable wheel seat of the utility model rear foot below.

Fig. 6 is the partial section view of telescopic handle hand lever of the present utility model.

Fig. 7 is the push action generalized section of the utility model telescopic handle hand lever.

As shown in Figures 2 and 3, a kind of folding perambulator of the utility model includes:

Two scalable handlebar stems 1, top respectively is provided with handle base 11, and within two handlebar stems 1 side respectively have perforate can be respectively for two tail ends of folding canopy frame 2 plant and simultaneously with the pad 13 of its two medial surface respectively as the lower support of 2 liang of tail ends 21 of this folding canopy frame, other two handlebar stems 1 are arranged with handlebar stem pole 17 respectively and are scalable length state, in conjunction with reference to Fig. 6 and Fig. 7, be provided with sliding ditch 12 on handlebar stem pole 17 tops, the hollow bottom of handlebar stem 1 and the top of handlebar stem pole 17 is fit mutually, and combine by the pin 14 that runs through described sliding ditch 12 and handlebar stem 1, equidistantly be provided with a plurality of grooves 16 handlebar stem pole 17 by the surface of fit part, be hinged on the PS (Push Switch) 19 on the handlebar stem 1, the one end forms a plush copper 191 and just may be stuck in the groove 16, its other end little sticking up that make progress, and between it and handlebar stem 1, set firmly a spring 192, elastic force by spring 192 stably is stuck among the groove 16 plush copper 191, when wanting telescopic handle hand lever 1, as long as press an end of PS (Push Switch) 19, plush copper 19 is broken away from from groove 16, can be from the top pull telescopic handle hand lever 1 of

handlebar stem pole

17,14 of pins guarantee that handlebar stem 1 can not come off from handlebar stem pole 17, and plush copper 191 can be stuck in any groove 16.Thereby reach the purpose that length is adjusted in segmentation by PS (Push Switch) 19, be respectively equipped with handlebar stem rear foot joining base 15, and the lower end of two

handlebar stem poles

17 and 51 pivot joints of handlebar stem forward foot in a step joining base in handlebar stem pole 17 bottoms;

Two seat cushion bars 8, its lateral surface is hinged by the medial surface of pad 179 and two handlebar stem poles 17, and the lateral surface bottom of this two seat cushions bar 8 is provided with a seat cushion position tab 81 by pad 82 respectively, and wherein runs through the adjustment screw rod 6 of handlebar stem rear foot joining base 15 in the sliding ditch 811 of seat cushion position tab 81 tail ends respectively;

Two forward foot in a step 5, its upper end is provided with handlebar stem forward foot in a step joining base 51, and rivet with two handlebar stem poles, 17 lower ends, afterbody in two forward foot in a step 5 then is arranged with seat 53 in the movable wheel seat of honour 52, the movable wheel, fix with following 54 fits of seat 53 in the activity wheel and movable wheel respectively again, cooperate front-wheel axostylus axostyle 541 to articulate two front-wheels 542 respectively by following 54 on activity wheel, moreover the lateral surface of these two forward foot in a step, 5 one of them forward foot in a step 5 below is card 59 can fix the lateral surface that is located at handlebar stem pole 17 when folding the fixedly fixture block 16 that folds that folds that riveting is provided with an elastomeric material;

Two the back of the body bars 3, be slightly be "

" shape; it is hinged at point of crossing mutually; and its two ends are hinged with the trailing flank of two handlebar stem poles 17 respectively by two L shaped joining pieces 14; and tail end of this two back ofs the body bar 3 is hubbed on respectively on the L shaped joining piece 32 with two tail ends that fold connecting rod 31, and respectively the other end by L shaped joining piece 32 more respectively with the lower inside surface pivot joint of two rear feet 7;

Two rear feet 7, its upper end is respectively by running through the rear portion that wherein adjustment screw rod 6 is hubbed on handlebar stem rear foot joining base 15, its below two medial surfaces then articulate by two rear ends of L shaped joining piece 715 with bottom bar 9 respectively, then respectively be provided with the movable wheel seat 71 of the rear foot at the tail end of this two rear foot 7 in addition, can be respectively by running through wherein trailing wheel axostylus axostyle 712 be pivoted two trailing wheels 713 and configuration back foot brake 714;

Two bottom bars 9, it is hinged at point of crossing mutually, and its two tail end is connected with two rear feet, 7 lower inside surface with L shaped joining piece 715 respectively, and its two front end then articulates with L shaped joining piece 58 and the forward foot in a step 5 belows two medial surfaces respectively;

One foot-operated backing plate 99 is the bendable folding endurance, and its two ends are riveted on respectively on the two L shaped joining pieces 91 of two bottom bars, 9 front ends;

In above-mentioned member, two handlebar stems 1, with the pad 13 of the handle base 11 of top, medial surface be one with the plastic shaping, and these two handlebar stems, 1 both sides sheathed handlebar stem pole 17 be one with the handlebar stem rear foot joining base 15 of the pad 179 that folds fixedly fixture block 16, medial surface of its lateral surface and below with the plastic shaping respectively;

Two seat cushion bars 8 are one with the pad 82 of outside and seat cushion position tab 81 with the plastic shaping respectively;

Two rear feet 7, the movable wheel seat 71 with the below is an one with the plastic shaping respectively;

Two forward foot in a step 5, respectively with the activity wheel seat of honour 52 of the handlebar stem forward foot in a step joining base 51 of top and below, movable wheel in seat 53 be one with the plastic shaping;

When thereby the utility model can be saved the assembler with reduce the member work programme and reduce percent defective, relatively cost-cutting is enhanced productivity and is improved the international sale competitive power, and also can avoid iron pipe member and plastic member to articulate each other or fixing after prolonged generation wearing and tearing and cause the gap to cause structural instability, unsafe problem.

With reference to Fig. 4, following 54 on the activity wheel that seat 53 is set firmly in the activity of the pin 5 belows wheel before in the utility model member, its axle hole seat 545 is long ellipticity, can wear for front-wheel axostylus axostyle 541, and can establish spring 547, the one end connects front-wheel axostylus axostyle 541, on the other end activity of being fixed on is taken turns following 54, thereby has the shock-absorbing buffering effect; Similarly, with reference to Fig. 5, the movable wheel seat 71 of the rear foot of the rear foot 7 belows, its axle hole seat 719 are oblong and can wear and can the same manner spring 715 be set for trailing wheel axostylus axostyle 712 and have the shock-absorbing buffering effect thereon.

In addition, the plastics that member adopted such as the handlebar stem 1 in the utility model primary member, seat cushion bar 8, the forward foot in a step 5, the rear foot 7 are nylon plastic(s) or polypropylene impact resistant plastics or rigidity plastics.

The utlity model has following advantages:

1, save the procedures such as Pipe Cutting, bending shaping, baking vanish, processing assembly facility relatively also reduces cost.

2, the member that adopts the plastics solid design with compare with the intensity of the hollow iron pipe of punching under, the steadiness height improves security relatively.

3, reduce at the closing-up position, and the product disqualification rate reduces.

4, saving member, buying or management are upper convenient.

5, do not have situation because of too many irony member scratch child.

6, institute must manually reduce, and also very convenient in the management except reducing cost, virtually enhancing competitiveness helps export markets.

7, can cooperate plastic shaping to select consistent color, unified and have an aesthetic feeling on its overall appearance.

8, to produce the tolerance chance little in the junction of each member, because of the engaging or make up and be difficult for having the tolerance clearance generation of plastics and plastic material, thus the minimizing defective work.

Claims

1, a kind of folding perambulator includes:

Two the back of the body bars, its slightly be " " shape; and it is hinged at point of crossing mutually; that and its two front end is hinged with the trailing flank of two handlebar stem poles respectively by two L shaped joining pieces; that and tail end of this two back ofs the body bar is hubbed on respectively on the L shaped joining piece with two tail ends that fold connecting rod, and the other end by this L shaped joining piece articulates with the lower inside surface of two rear feet respectively more respectively;

Of the present utility model being characterised in that:

2, by the described folding perambulator of claim 1, it is characterized in that: on following of the wheel of the activity below the described forward foot in a step, the axle hole seat that wears for described front-wheel axostylus axostyle is oblong, and be provided with spring, this spring one end is fixed on following of the described movable wheel, and the other end connects described front-wheel axostylus axostyle.

3, by claim 1 or 2 described folding perambulators, it is characterized in that: on the movable wheel seat of the described rear foot, the axle hole seat that wears for described trailing wheel axostylus axostyle is oblong, and be provided with spring, this spring one end is fixed on the movable wheel seat of the described rear foot, and the other end connects described trailing wheel axostylus axostyle.

4, by the described folding perambulator of claim 1, it is characterized in that: described plastics are nylon plastic(s) or polypropylene impact resistant plastics or rigidity plastics.