CN2504165Y

CN2504165Y - Pram with reversable handle

Info

Publication number: CN2504165Y
Application number: CN 01260302
Authority: CN
Inventors: 程英雄
Original assignee: 程宝贤
Priority date: 2001-09-12
Filing date: 2001-09-12
Publication date: 2002-08-07
Anticipated expiration: 2011-09-12

Abstract

The utility model relates to a pram with a reversible pushing handle. The upper end of the pushing handle is provided with a pulling piece, and the lower end of the pushing handle is provided with a buckling piece, a linking pulling piece and a linking piece of the buckling piece are arranged in a pipe body of the pushing handle, the pipe body is provided with a pin rod which penetrates through the pushing handle and can block and limit a spring sheathed on the linking piece, wherein the inner side face of the buckling piece is provided with a buckling groove, and the front face and the back face of the buckling piece are respectively provided with an inserting groove. Assembling pieces on both sides of a chair back rod are extended with extending sheets with clamping blocks. The back end of a side frame connected with a front-wheel supporting rod, a back-wheel supporting rod and the chair back rod is provided with an outwards convex buckling block, and the middle of the side frame is fixedly provided with a positioning piece with an outwards convex buckling block and a clamping block.

Description

The reversible push bar perambulator

Technical field

The utility model relates to perambulator, particularly a kind of visual actual conditions, the reversible push bar perambulator of conversion handle direction in good time.

Background technology

Early stage perambulator, makes handle be fixed type design, thereby can't make the implementation and operation of direction transformation in conjunction with fixedly front-wheel pole, rear wheel fulcrum bar and handle with combined block; Be that the baby is when taking on perambulator, face forward, the adult then is positioned at the perambulator rear and closes handle promotion perambulator to hold, Just because of this, the adult can't learn baby's countenance at all, and the baby also can't see the adult, adds that baby's health is blocked by the chair back of perambulator and awning, the adult just can't discover for baby's every act and every move, easily makes adult and baby produce sense of insecurity.

Summary of the invention

The purpose of this utility model provides a kind of perambulator of reversible push bar, its reversible push bar, make the baby can look mutually face-to-face, make on the one hand the baby can see that the adult more feels and feel at ease, every act and every move that the adult can note the baby is at any time caused danger avoiding with the adult.

Another purpose of the present utility model provides a kind of reversible push bar perambulator, has a polygonal trepanning on the sheathed articulated part in its handle two end places, on handle, also be provided with cooresponding with it polygon perforation, the chair back bar of handle and perambulator screws togather to be pivoted with screw and is integral, nut is sunken in the articulated part, increases the aesthetic property and the sense of worth of perambulator.

Another purpose of the present utility model provides a kind of reversible push bar perambulator, and it utilizes the cooresponding shape fixture block that colludes of perambulator two sides to be embedded in the cooresponding caulking groove of buckling piece of handle two sides will locate the unlikely wigwag motion of handle about handle.

Technical solution adopted in the utility model is as follows: a kind of reversible push bar perambulator, and its handle two ends are connected with rear wheel fulcrum bar and chair back bar to fix body, and connect front-wheel pole, rear wheel fulcrum bar and chair back bar by side frame; It is characterized in that: these handle two side pipe bodies are provided with the elongated hole of place, position upper and lower, and last elongated hole is sentenced a pin correspondence and worn a pulling piece, and following elongated hole corresponding position wears a buckling piece with a pin; Place a moving part among the two side pipe bodies, this moving part interlock pulling piece and buckling piece, place, elongated hole top sets up the pin rod of a tool through hole under the two side pipe bodies, and moving part is passed by this through hole, and moving part is provided with spring, and this spring is limited between pin rod and below one pin; Medial surface place at buckling piece forms a buckling groove, and respectively forms a caulking groove at its forward and backward; Dual side-edge frame outer wall place sets firmly positioning piece, this positioning piece is provided with binding block and fixture block, and outer wall also convexes with binding block in the rear end of dual side-edge frame, and chair back bar two sides respectively are provided with a component, and in the stretch out Extendible flake of a tool fixture block of the outer wall of component; The buckling groove on the buckling piece and the caulking groove of back fasten with the binding block and the corresponding inlay card of the fixture block on the component of side frame end respectively; After the commutation, buckling groove on the buckling piece and front caulking groove are established with the binding block and the corresponding inlay card button of fixture block of side frame.

The perambulator of this reversible push bar also is provided with two articulated parts with storage tank, the body ora terminalis of handle two sides is embedded at this articulated part, bigger polygon perforation is established on one side of articulated part, less circular opening is established on the limit in addition, body also respectively the perforation of corresponding articulated part and hole connect shape perforation and less circular opening more mostly, and the hole of body is little than the hole aperture of articulated part, tubular screw one end of sleeve is by the perforation of articulated part, the perforation of body is inserted, end is butted on body hole periphery, nut places screw socket to be polygon portion, and penetrating a portion and nut screws togather with screw, handle then is hubbed at chair back bar place; Nut is sunken in the articulated part.

Because of the convertible handle direction of the utility model, and the mode of conversion quite easily, convenient, make the use situation of the visual reality of customer, the handle direction is done suitable change, commutation, the adult can be noted at any time for baby's every act and every move.

Because of only setting up single buckling groove on the buckling piece, and this buckling groove is positioned at the inner end surface of buckling piece, so both can save the material of buckling piece, can make buckling groove obtain good covering again, and not influence its aesthetic property.

Owing to have a polygonal trepanning on the sheathed articulated part in handle two end places, bore a hole and on handle, also have cooresponding with it polygon, again a screw socket is placed in one, and make end be butted on the handle inwall, then nut is placed the polygonal hole place of screw socket, and after penetrating and establish with screw, just the chair back bar pivot of handle and perambulator can be set as one with the nut spiral shell, nut is sunken in the articulated part, has increased the aesthetic property and the sense of worth of perambulator.

Utilize again that perambulator two sides are cooresponding colludes in the cooresponding caulking groove of buckling piece that the shape fixture block is embedded in handle two sides, will locate about handle, make the unlikely wigwag motion of handle; And by the buckling groove of handle two side buckling pieces, the binding block of buckle perambulator two sides, then can handle before and after the location; Thus, can make handle change direction, but strong fix does not rock again.

Description of drawings

Fig. 1 is a unitary construction combination of side view of the present utility model.

Fig. 2 is a local assembly drawing of the present utility model ().

Fig. 3 is a sectional perspective exploded drawings of the present utility model.

Fig. 4 is a local structure combined side cutaway view of the present utility model.

Fig. 5 is a local structure combination front sectional elevation of the present utility model.

Fig. 6 is a local structure combination of side view of the present utility model.

Fig. 7 is a local structure combination back view of the present utility model.

Fig. 8 is the three-dimensional exploded view of the utility model articulated part.

Fig. 9 is the 8-8 cross-sectional schematic of Fig. 2.

Figure 10 pulls local structure side cutaway view when pulling on the piece for the utility model.

Figure 11 pulls local structure front sectional elevation when pulling on the piece for the utility model.

Figure 12 is the lateral plan after the utility model commutates handle.

Figure 13 is the opposite side view after the utility model commutates handle.

The specific embodiment

Referring to Fig. 1-3, the utility model is to be connected with rear wheel fulcrum bar 20 and chair back bar 30 to fix body 10 at two ends of handle 1, connect front-wheel pole 40 by side frame 2, rear wheel fulcrum bar 20 and chair back bar 30, wherein: body 11 upper ends of  shape handle 1 two sides reach by the lower end and respectively are provided with

elongated hole

12,13, last elongated hole 12 place's correspondences of body 11 wear a pulling piece 3, referring to Fig. 4,5, and pass pulling piece 3 and elongated hole 12 with pulling piece 3 location with a pin 14, following elongated hole 13 corresponding positions of body 11 are then organized and are established a buckling piece 4, also pass buckling piece 4 and elongated hole 13, buckling piece 4 is mounted on the body 11 with a pin 15; Place a moving part 5 among the two side pipe bodies 11, two ends of this moving part 5 are respectively established a hole 51, run through for aforementioned two

pins

14,15 respectively, and make pulling piece 3 and buckling piece 4 have continuous action relation by moving part 5; Place, the top of the following elongated hole 13 of two side pipe bodies 11 is provided with a perforation 16, but supply and marketing bar 17 wears the location, and pin rod 17 and sell a sheathed spring 52 on the moving part 5 between 15, this spring 52 by boundary in pin rod 17 and sell between 15; Form a buckling groove 41 at the medial surface place of buckling piece 4, and on its forward and backward, respectively form a

caulking groove

42,43; Referring to Fig. 6,7,2 groups of outer wall places that establish rear wheel fulcrum bar 20 of dual side-edge frame set firmly positioning piece 21 in the lump, have binding block 211 and fixture block 212 on this locations 21, and outer wall also convexes with binding block 22 in the rear end of dual side-edge frame 2, the upright component 6 of each group of chair back bar 30 2 sides, and in the outer wall of component 6 Extendible flake 61 that stretches out, and on this Extendible flake 61, form the fixture block 62 that protrudes; Referring to Fig. 8, two articulated parts 7 are provided with storage tank 71, can supply the ora terminalis of the body 11 of handle 1 two sides to be embedded ccontaining, establish bigger polygon perforation 72 again in one side of articulated part 7, less circular opening 73 is established on the limit in addition, also be provided with the perforation 72 of corresponding articulated part 7 respectively and the big polygon perforation 18 and the less circular opening 19 of hole 73 in body 11, and the hole 19 of body 11 is little than hole 73 apertures of articulated part 7, then, with of the perforation 72 of screw socket 8 tubular ends by articulated part 7, the perforation 18 of body 11 is inserted, and make its end be butted on hole 19 peripheries of body 11, treat to place screw socket 8 to be polygon portion 81 on nut 100, and after penetrating a portion 82 and screw togather with screw 200, just handle 1 can be hubbed at chair back bar 30 places with nut 100.

Referring to Fig. 9-11, when usual, pushing tow because of spring 52, make the buckling groove 41 of buckling piece 4 buckle into binding block 211 on the side frame 2 really, as shown in Figure 6, and the fixture block 62 of the caulking groove 43 that makes its back and component 6 mutually embedding pull, so that handle 1 can be located, and supply to pass perambulator, and wear pin 14, the 15 proper following places of the

elongated hole

12,13 of place's body 11 respectively of pulling piece 3 and buckling piece 4 this moment, shown in Fig. 4,5.

Referring to Figure 12,13, when desire changes the direction of handle 1, directly pull pulling piece 3 on the application of force, make the pin 14 that wears pulling piece 3 be displaced to upper end by the lower end of elongated hole 12, therefore pin 14 moving parts that wear 5 are also upwards spurred, and compression spring 52, and coupled moving buckling piece 4 upward displacements of interlock, this time, the buckling groove 41 of buckling piece 4 just can break away from binding block 22, then, handle 1 is passed forward, its rear side by perambulator is commutated to the front side of perambulator, be embedded in the front caulking groove 42 of buckling piece 4 until the fixture block 212 on this locations 21 after, promptly represent handle 1 to the location, when no longer pulling piece 3 application of forces being pulled, just can be by the restoring force of original compressed spring 52, pushing tow is arranged in the pin 15 of buckling piece 4, make buckling piece 4 return original position, and therefore make its buckling groove 41 fasten the binding block 211 of locations 21 on the side frame 2, make the state after handle 1 commutates locate firm.

If desire to reply the position that original handle 1 is set up again, then pull pulling piece 3 once more, and pass handle 1 backward, make the back caulking groove 42 of buckling piece 4 on the handle 1 be blocked and establish, and its buckling groove 41 interlocks with binding block 22 and establishes by the fixture block 62 of component 6.

Claims

1, a kind of reversible push bar perambulator, handle two ends are connected with rear wheel fulcrum bar and chair back bar to fix body, and connect front-wheel pole, rear wheel fulcrum bar and chair back bar by side frame; It is characterized in that: these handle two side pipe bodies are provided with the elongated hole of place, position upper and lower, and last elongated hole is sentenced a pin correspondence and worn a pulling piece, and following elongated hole corresponding position wears a buckling piece with a pin; Place a moving part respectively among the two side pipe bodies, this moving part interlock pulling piece and buckling piece, place, elongated hole top sets up the pin rod of a tool through hole under the two side pipe bodies, and moving part is passed by this through hole, and moving part is provided with spring, and this spring is limited between pin rod and below one pin; Medial surface place at buckling piece forms a buckling groove, and respectively forms a caulking groove at its forward and backward; Dual side-edge frame outer wall place sets firmly positioning piece, and this locations is provided with binding block and fixture block, and also convexes with binding block at the rear end of dual side-edge frame outer wall, and chair back bar two sides respectively are provided with a component, and in the stretch out Extendible flake of a tool fixture block of the outer wall of component; The buckling groove on the buckling piece and the caulking groove of back fasten with the binding block and the corresponding inlay card of the fixture block on the component of side frame end respectively; After the commutation, buckling groove on the buckling piece and front caulking groove are established with the binding block and the corresponding inlay card button of fixture block of side frame.

2, reversible push bar perambulator according to claim 1, it is characterized in that: the perambulator of this reversible push bar also is provided with two articulated parts with storage tank, the body ora terminalis of handle two sides is embedded at this articulated part, bigger polygon perforation is established on one side of articulated part, less circular opening is established on the limit in addition, also the perforation of corresponding articulated part and hole are provided with and connect shape perforation and less circular opening more mostly body respectively, and the hole of body is little than the hole aperture of articulated part, tubular screw one end of sleeve is by the perforation of articulated part, the perforation of body is inserted, end is butted on body hole periphery, nut places screw socket to be polygon portion, and penetrating a portion and nut screws togather with screw, handle then is hubbed at chair back bar place; This nut is sunken in the articulated part.