CN202156448U - Automatic braking systems for baby carriage - Google Patents

Abstract

The utility model relates to automatic braking systems for a baby carriage, which are independently arranged on the left and the right of the rear end of the baby carriage respectively. Each independent braking system comprises a moving position sleeve, a fixed position sleeve, a wheel carrier, a butt clamp, a compression spring, a brake shaft and a brake cable. The brake cables are lifted by pushing force applied by a baby carriage pusher on handles, and the brake shafts between adjacent brake teeth of wheels can shed out by means of the brake cables so that brake unlocking is realized. When the handles are not pushed manually, the brake shafts can rapidly extend into adjacent teeth of the wheels under tension force of springs in the wheel carrier, so that braking is realized. By means of the automatic braking systems, personal safety factor is increased for a baby in the baby carriage, and convenience and quickness in use of the baby carriage are improved.

Description

A kind of doll carriage autobrake system

Technical field

The utility model relates to the infant and uses the car field, promptly a kind of doll carriage autobrake system.

Background technology

The wheel of the doll carriage of existing market can be divided into two types approximately: cardan wheel and common wheel, and cardan wheel is realized brake and brake release through the spanner of operating on it; And main flow is the common wheel hand-operated brake; Its brake gear is meant: the corresponding wheel seat of every car rear foot tube of Carriage for baby, and every wheel seat has a cavity, and car rear foot tube lower end is inserted in the wheel seat cavity; Wheel seat is crossed by the wheel center axle, and brake lever is between two wheels.When adjacent the stopping that the sheet of stopping of brake lever avris is embedded in wheel promptly realized brake (outwards disperse the 6-8 sheet tooth of stopping near the wheel center place of car pin pipe one side, the adjacent corner dimension of stopping between the tooth is identical) between the tooth; Lifting brake lever when manual work makes the sheet of stopping withdraw from promptly brake between the tooth and be unlocked from adjacent stopping.

From last visible, the doll carriage desire stop and stop after when walking again, its S. A. brake gear all remains manual operation, that is to say comparatively trouble.Also have when careless mother chats, makes a phone call or has accident immediately to leave; May forget the doll carriage position brake; Thereby cause infant's personal safety hidden danger, for example perambulator causes serious consequence etc. (can read and see relevant accident report) along domatic from sliding.

Summary of the invention

The utility model task: a kind of autobrake system of doll carriage is provided, makes people stop to automatically lock brake when perambulator promotes, brake release when desire promotes the perambulator walking brings more safe and convenient to head of a family's child-bearing.

The utility model technical scheme: a kind of doll carriage autobrake system; The left side and the right side that independently are present in the go-cart rear end respectively; Each autobrake system is characterised in that: it includes a moving position cover, locating bush, wheel seat, to folder, compressing spring, stop axle, the line of stopping, wherein:

1) moving cover pegged graft and is fixed in the go-cart handgrip, and locating bush is pegged graft and is fixed in go-cart rear foot tube upper end, locating bush and the movable riveted joint in grafting back each other of moving position cover;

2) had the pin tube chamber and back cavity that is parallel to each other by the wheel seat of the horizontal cross-under of wheel center axle;

3) folder is positioned at the cavity outside behind the wheel seat, compressing spring is placed in the back cavity inside, and the axle of stopping passes two Li Quan of folder lower end and vertical slotted hole of back cavity side;

4) the stop cross-peen of line upper end is plugged in the button hole of moving position cover, and the cross-peen of the line lower end of stopping is plugged in to be buckled carrying of ogival sections, and the big portion paragraph of the line of stopping is walked outside rear foot tube or in rear foot tube.

Have high hole and bundle folder on the same bus of locating bush side, riveting has the steel minor axis in the high hole.

The principle of work of the utility model autobrake system: when the artificial external force that loads on the go-cart handgrip removed, compressed spring tension discharged in the back cavity, and the axle that promotes to stop is immediately cut inboard adjacent the stopping of wheel and realized brake between the tooth; When perambulator need be walked; Handgrip is depressed by the trammer naturally, cross-peen be plugged in the cover button hole of moving position stop line by on carry since the cross-peen of the line lower end of stopping be plugged on carrying of ogival sections buckled in; Line will be mentioned folder, mentioned then and cross in (axle of stopping simultaneously is up to slotted hole along the wheel seat lateral longitudinal to the axle of stopping in the upright circle in folder lower end so stop; Spring in the back cavity is compressed), the axle of promptly stopping is deviate between the tooth from adjacent stopping, and wheel is unlocked the walking of rolling.

The installation steps of the utility model autobrake system on go-cart one side rear foot tube can be:

1. locating bush inserts the rear foot tube upper end back riveted joint of go-cart, and moving position cover is riveted after inserting the handgrip of go-cart, and riveted joint again after locating bush and moving position cover insert each other and dock is riveted in the high hole of steel minor axis insertion locating bush;

2. will be to the outside of mounting board cavity behind wheel seat; Compressing spring is packed in the back cavity of wheel seat; The order axle of stopping passes the vertical slotted hole to cavity side behind two upright circles of folder lower end and the wheel seat, and the compressing spring behind this moment wheel seat in the cavity is packed, the axis direction of compressing spring with after the cavity height direction consistent;

3. make the cross-peen of line one end of stopping insert a button hole that is hung on moving position cover; Stop line along the high hole meta of locating bush, go within the bundle folder, go up the waist hole certainly and penetrate in the rear foot tube downwards, pass from the following waist hole of rear foot tube lower end again; Its lower end cross-peen is plugged in the button of carrying to ogival sections, installs thereby accomplish; Or making a call to a through hole near the rear foot tube below the locating bush bundle folder; The direction of through hole is with place rear foot tube paragraph axis normal or constitute suitable angle; The line of stopping passes behind this through hole along under the rear foot tube lateral, inserts until the line lower end cross-peen of stopping carrying of ogival sections buckled, and installs thereby accomplish.

The result of use of the utility model: the trammer removes the pressure to handgrip, and the tension force of compressing spring adjacent the stopping of an intervention wheel that promote to stop realized self-actuating brake between the tooth, improved infant's personal safety coefficient in the car; When people's desire promotes the perambulator walking, put on boost in pressure on the go-cart handgrip line of stopping and realize a brake release with the axle of stopping, improved the convenience that go-cart is used.

Description of drawings

Fig. 1 is a kind of doll carriage vehicle frame.

Fig. 2 is enlarged drawing--the joint the under-braking state of the local A of Fig. 1.

Fig. 3 is the plane enlarged drawing: the joint under the doll carriage walking states.

Fig. 4 is the joint part exploded view.

Fig. 5 a-b is respectively wheel seat block diagram and cutaway view.

Fig. 6 is the signal of the compressing spring position in the cavity behind the wheel seat.

Fig. 7 is to the folder block diagram.

Fig. 8 is the line scheme drawing of stopping.

Fig. 9 be stop line, to the folder, stop the axle connection mode (wheel seat omission)

Figure 10 c-d is respectively the block diagram and the inboard planar view of wheel of wheel.

Figure 11 e-f be respectively stop the axle mode of operation--stop the axle cooperate figure with the tooth of stopping.

Figure 12 is an off-position scheme drawing of stopping.

The specific embodiment

Referring to Fig. 1: the utility model autobrake system is additional respectively to be installed on the rear foot tube 11 of the doll carriage left and right sides, and the autobrake system of both sides is identical and separate.Referring to Fig. 2-4 and Figure 11 e-f: the autobrake system of the utility model mainly is made up of the associated fitting of joint, wheel seat and the line of stopping; Wherein: locating bush 3 is plugged in rear foot tube 11 upper ends and riveted joint; Moving position cover 2 is plugged in handgrip 14 and riveted joint, and the associations that locating bush 3 and moving position cover 2 insert after the riveted joint each other are above-mentioned what is called " joint ".Rear foot tube 11 lower ends are inserted the pin tube chamber 51 of wheel seat and are fixed, and compressing spring 6 is inserted the back cavity 52 of wheel seat, and the axle 7 of stopping passes the vertical slotted hole 53 to cavity 52 sides behind two upright circles 42 in folder lower end and the wheel seat; The big portion paragraph of line 8 stopped navigates within the interior sky of rear foot tube 11, and the cross-peen 81 of line 8 upper ends of stopping is inserted button holes 21 that are hung on moving position cover 2, and the cross-peen 81 of line 8 lower ends of stopping is plugged in buckles 41 to carrying of ogival sections.

Referring to Fig. 1-3 and Figure 11 e-f and Figure 12: when go-cart person presses down handgrip 14, be axle with the riveted nail 18 between locating bush 3 and the moving position cover 2, moving is overlapped 2 with respect to locating bush 3 underspins (about about 90 °), and articular morphology is as shown in Figure 3; Cover 2 button holes 21 in moving position drove and carried folder on the line 8 of taking out, stop then on the line 8 of stopping, folder is carried the axle 7 of stopping on again this moment, made stop axle 7 deviate between the tooth 16 from adjacent the stopping of wheel 15, the release of then braking, and wheel 15 can walking freely.In addition: the process of carrying on the above-mentioned axle 7 of stopping promptly is the process of the compressing spring 6 in the cavity 52 behind its compression wheel seat.Otherwise: as remove the compelling force of user to handgrip; The former compressing spring that is being compressed 6 discharges tension force in the back cavity 52 of wheel seat; The promotion axle 7 of stopping moves down along vertical slotted holes 53 of cavity 52 sides, back, and axle 7 ends of stopping snap in the adjacent of wheel 15 and stop between the tooth 16, and the axle 7 of promptly stopping develops the position to Figure 11 e-f by the position among Figure 12; Then wheel 15 is locked, the stable braking state that is in of go-cart.In addition: since the axle 7 of stopping to move down drive descending to the folder line 8 that moves down, stops, then the joint develops the state to Fig. 2 by Fig. 3.

Deviate from fully between the tooth 16 from adjacent stopping for the axle 7 of guaranteeing to stop, the displacement that the line 8 of stopping upwards promotes must surpass tooth 16 height of stopping of wheel 15.Referring to Fig. 3: because the existence in locating bush 3 high holes 31; And the 32 horizontal rivetings of steel minor axis fix in the high hole 31, and during the go-cart walking, the line 8 of stopping is close to the minor axis 32 in the high hole 31 all the time; Promptly be actually and headed on the good minor axis 32 of resistance to abrasion, effectively increased the up displacement of the line 8 of stopping.

Referring to Fig. 2 and Fig. 4: bundle folder 33 can kept the preset trend of the line 8 of stopping preferably, the ultra expections swing that the line 8 of having avoided stopping is possible; Also because bundle folder 33 has suitable height, making stops carry on the line 8 all avoided when descending with rear foot tube 11 on the wiping in waist hole 12 bump (under the situation that the line 8 of stopping is walked) in rear foot tube 11.

Referring to Figure 11 e-f and Fig. 5 a: the adapter shaft between two wheels 15 passes axle sleeve 54 and realizes and being connected of wheel seat that wheel 15 is fixed in the two ends of wheel adapter shaft.

Continue explanation the utility model below:

The structure of moving position cover 2 button holes 21 is same as the structure of folder being carried button 41; Referring to Fig. 7 and Fig. 4: button hole 21, put forward the parallel and big or small unanimity of double circular hole in the button 41; Contain narrow opening 211 on one of them circular hole; Line 8 incisions because narrow opening 211 can supply to stop are so when cross-peen 81 inserted in the double circular hole, the line 8 of stopping occupied the meta between the double circular hole; Button hole 21, put forward button another circular hole complete closed of 41, thereby guaranteed the stressed demand of cross-peen 81.

Referring to Fig. 8, the line 8 stopped is metal wool, and cross-peen 81 is a steel spare, and line 8 ends of stopping occupy cross-peen 81 metas, and with cross-peen 81 integrated welding.

Referring to Fig. 6 and Fig. 5 b and Fig. 5 a, pack into from the below back cavity 52 of wheel seat of compressing spring 6, rear brake axle 7 passes wheel seat from the wheel seat lateral longitudinal to slotted hole 53, and then compressing spring 6 is packaged in the cavity 52 of back.

The big portion paragraph of line 8 is not walked in rear foot tube 11 if stop; Referring to Fig. 2: then have a through hole 17 line 8 that supplies to stop to pass at the dotted line position of rear foot tube 11; Rear brake line 8 buckle 41 grafting along the descending realization in path shown in the dotted line among Fig. 1 with ogival sections is carried, and wherein makes it to obtain and rear foot tube 11 parallel shapes by band.

Claims (2)

1. doll carriage autobrake system independently is present in the left side and the right side of go-cart rear end respectively, and each autobrake system is characterised in that: it comprises a moving position cover, locating bush, wheel seat, to folder, compressing spring, the stop axle and the line of stopping, wherein:

1) the go-cart handgrip is fixed in moving position cover grafting, and locating bush is pegged graft and is fixed in go-cart rear foot tube upper end, locating bush and the movable riveted joint of a moving cover;

2) had the pin tube chamber and back cavity that is parallel to each other by the wheel seat of the horizontal cross-under of wheel center axle;

3) folder is positioned at the cavity outside behind the wheel seat, compressing spring is placed in the back cavity inside, and the axle of stopping passes two Li Quan of folder lower end and vertical slotted hole of back cavity side;

4) the stop cross-peen of line upper end is plugged in the button hole of moving position cover, and the cross-peen of the line lower end of stopping is plugged in to be buckled carrying of ogival sections, and the big portion paragraph of the line of stopping is walked outside rear foot tube or in rear foot tube.

2. a kind of doll carriage autobrake system according to claim 1 is characterized in that: have high hole and bundle folder on the same bus of locating bush side, riveting has the steel minor axis in the high hole.

Images