CN202201023U - Automatic braking device at single side of baby carriage with single rear wheel - Google Patents
Automatic braking device at single side of baby carriage with single rear wheel Download PDFInfo
- Publication number
- CN202201023U CN202201023U CN2011202453370U CN201120245337U CN202201023U CN 202201023 U CN202201023 U CN 202201023U CN 2011202453370 U CN2011202453370 U CN 2011202453370U CN 201120245337 U CN201120245337 U CN 201120245337U CN 202201023 U CN202201023 U CN 202201023U
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- stopping
- line
- wheel
- axle
- nail formula
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Abstract
An automatic braking device at single side of a baby carriage with a single rear wheel is arranged on each of the left side and the right side at the rear end of the baby carriage. Each independent braking device comprises a movable sleeve, an immovable sleeve, a wheel seat, a compression spring, a pin type brake shaft and a brake wire the upper end of which is provided with a transverse head, wherein the brake wire is directly connected or indirectly connected with the pin type brake shaft by a butt clamp and a double-layer sleeve piece; braking unlocking is realized when the brake wire and the brake shaft between adjacent brake teeth of the wheel are lifted by utilizing pushing force applied to a handlebar by a push person; and in the absence of the manual pushing force applied to the handlebar, braking is performed when the pin type brake shaft is fast pushed into between the adjacent brake teeth of the wheel under the action of tension of the spring in the wheel seat. With the adoption of the device, not only the personal safety coefficient of a baby in the doll carriage is improved, but also the use convenience of the baby carriage is improved.
Description
Technical field
The utility model relates to the infant and uses the car field, the dead-man's device of promptly one-sided single rear wheel doll carriage.
Background technology
The wheel of existing market doll carriage 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 the common wheel hand-operated brake device of main flow situation is meant: the corresponding wheel seat of every car rear foot tube of perambulator; Every wheel seat has a cavity; Car rear foot tube lower end is inserted in the wheel seat cavity, and 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 from the adjacent release of braking when withdrawing between the tooth of stopping.From last visible; When trammer chat, make a phone call or when needing swift leaving because of accident; May forget fully with doll carriage brake location, thereby produce baby's personal safety hidden danger that for example perambulator causes serious consequence etc. (can read and see relevant accident report) along domatic from sliding.
What be worth special version is; Each side of above-mentioned doll carriage rear end has only a wheel (being one-sided single rear wheel); And totally two wheels of and arranged on left and right sides are individually fixed in the two ends of same branch center axle, but a side center in opposite directions of two wheels still has the some teeth of stopping that outwards distribute.
Summary of the invention
The utility model task: to one-sided single rear wheel doll carriage a kind of dead-man's device is provided especially; Make people stop to automatically lock brake when perambulator promotes; Brake release when desire promotes the perambulator walking brings more safety and convenient to head of a family's child-bearing.
The utility model technical scheme: the dead-man's device of one-sided single rear wheel doll carriage, independently be present in the left side and the right side of go-cart rear end respectively, each dead-man's device comprises that a moving position cover, locating bush, wheel seat, compressing spring, upper end carry the line of stopping of cross-peen; Moving position cover is 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, has high hole and bundle folder on the same bus of locating bush side; Riveting has the steel minor axis in the high hole; Locating bush inserts the movable riveted joint in back each other with moving position cover, and wheel seat has the pin tube chamber and back cavity that is parallel to each other, and compressing spring is placed in the back cavity inside; Wheel seat is being fixed the horizontal cross-under of center shaft of go-cart rear end left and right side wheel by two ends; The cross-peen of line upper end stopped is plugged in the button hole of moving position cover, and the big portion paragraph of the line of stopping is walked in rear foot tube, it is characterized in that: it also comprises and is interspersed in the wheel seat lateral longitudinal to the nail formula of the slotted hole axle of stopping; The stop ailhead of axle of nail formula is positioned at no wheel one side of wheel seat, the line lower end connected nail formula of the stopping axle of stopping.
Line and the nail formula of stopping stopped axle through to pressing from both sides indirect the connection: buckle for carrying at clip-on top, and 2 parallel upright circles are arranged at the bottom, and folder is positioned at the cavity outside behind the wheel seat, and the line lower end cross-peen of stopping is plugged in folder carried and buckles, and the nail formula axle of stopping passes two upright circles to the folder lower end.
Line and the nail formula of the stopping axle of stopping is connected through double-deck external member indirectly: double-deck external member is carried the fit part of buckle and descend horizontal stroke tin on being; Double-deck external member is positioned at the compressing spring lower end of back cavity; The nail formula axle of stopping crosses the following horizontal tube of double-deck external member; The line of stopping passes cavity apical pore and compressing spring behind the wheel seat, the line cross-peen of stopping be plugged in double-deck external member on carry and buckleing.
Line and the nail formula of a stopping direct connection of stopping: the line lower end of stopping is a latch closure, and the line of stopping passes cavity apical pore and compressing spring behind the wheel seat, and the nail formula axle of stopping crosses the latch closure of line lower end of stopping.
The nail formula axle of stopping is provided with the recessed circle be convenient to the latch closure position stability.
The principle of work of this dead-man's device: when the artificial external force that loads on the go-cart handgrip removed, compressed spring tension discharged in the back cavity, promoted nail formula adjacent the stopping that no ailhead one end of axle immediately cuts wheel of stopping and realized brake between the tooth; When perambulator need be walked; Handgrip is depressed by the trammer naturally; The line of promptly stopping is upwards mentioned, and the nail formula that the line lower end of stopping is directly or indirectly the connecting axle of stopping is upwards mentioned (the nail formula axle of stopping is up to slotted hole along the wheel seat lateral longitudinal simultaneously, and the compressing spring in the back cavity is compressed once more); Promptly the stop nothing of axle of nail formula is followed closely an end and is deviate between the tooth from adjacent stopping, and brake is unlocked.
The result of use of this dead-man's device: the trammer removes the pressure to handgrip, and the self-actuating brake of this brake gear, i.e. go-cart can not self-operatings, improved baby's personal safety coefficient in the car; When people desire the go-cart walking, put on the feasible brake of the pressure synchronizing unlocking of go-cart handgrip, improved the convenience that go-cart is used.
Description of drawings
Fig. 1 is a kind of one-sided single rear wheel 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 c-d is respectively that wheel block diagram and wheel have the planar view of tooth one side of stopping.
Fig. 8 e-f is respectively the folder block diagram, and the line of stopping, the nail formula axle of stopping connects a clip-on scheme drawing (omission wheel seat).
Fig. 9 g-h is respectively double-deck external member block diagram, and the line of stopping, the nail formula axle of stopping connects the scheme drawing (omission wheel seat) of double-deck external member.
Figure 10 i-n is respectively the line chart of stopping of two kinds of different lower ends, the nail formula that carries recessed coil structures the stop scheme drawing (omission wheel seat) of axle of axle figure and the wire joint nail formula of stopping of stopping.
Figure 11 p-q is respectively a nail formula mode of operation of stopping--the nail formula axle of stopping cooperates figure with the tooth of stopping.
Figure 12 is a nail formula off-position scheme drawing of stopping.
The specific embodiment
Embodiment 1.Referring to Fig. 1, Fig. 2-3, Fig. 5-6, Figure 11 p-q: the dead-man's device of one-sided single rear wheel doll carriage; The left side and the right side that independently are present in the go-cart rear end respectively, each dead-man's device comprise that moving position cover 2, locating bush 3, wheel seat, compressing spring 6, upper end carry the line 8 of stopping of cross-peen 81, and moving position cover 2 is pegged graft and is fixed in go-cart handgrip 14; Locating bush 3 is pegged graft and is fixed in go-cart rear foot tube 11 upper ends; Have high hole 31 and bundle folder 33 on the same bus of locating bush 3 sides, riveting has steel minor axis 32 in the high hole 31, and locating bush 3 inserts the movable riveted joint in back each other with moving position cover 2; Wheel seat has the pin tube chamber 51 and back cavity 52 that is parallel to each other; Compressing spring 6 is placed in cavity 52 inside, back, and two wheels 15 of go-cart rear end are fixed in the two ends of center shaft 19, and center shaft 19 passes axle sleeve 54 and realizes and being connected of wheel seat.The cross-peen 81 of line 8 upper ends stopped is plugged in the button hole 21 of moving position cover 2, and the big portion paragraph of the line 8 of stopping is walked in rear foot tube 11.
Referring to Fig. 8 e-f; This example also has clamp assembly; And the lower end of the line of stopping has cross-peen 81, and stop line 8 and nail formula are stopped axle 7 through to pressing from both sides indirect the connection: folder is present in cavity 52 outsides behind the wheel seat, and the cross-peen 81 of line 8 lower ends of stopping is plugged in clip-on carrying and buckles 41; The nail formula axle 7 of stopping passes the wheel seat lateral longitudinal (paragraphs between 2 upright circles 42 is physically located within the back cavity 52 of wheel seat to slotted hole 53 with to two of the lower end upright circles 42 of folder; Be compressing spring 6 on this paragraph, referring to Fig. 6), the both sides that the nail formula is stopped axle 7 ailhead 71 and wheel 15 separation wheel seats.
Referring to Fig. 8 f, 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.The structure of moving position cover 2 button holes 21 is same as the structure of folder being carried button 41; Referring to Fig. 8 e 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.
For guaranteeing that stop axle 7 of nail formula deviates between the tooth 16 from adjacent stopping fully, 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.
Referring to Fig. 1-3 and Figure 11 p-q 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 nail formula axle 7 of stopping on again this moment, made stop axle 7 of nail formula 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 above-mentioned nail formula process that axle carries on 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 14; The former compressing spring that is being compressed 6 release tension force in the cavity 52 behind the wheel seat; Promote the nail formula axle 7 of stopping and move down along vertical slotted holes 53 of cavity 52 sides, back, a stop end of axle 7 of nail formula snaps in the adjacent of wheel 15 and stops between the tooth 16, and promptly the nail formula axle 7 of stopping develops the position to Figure 11 p-q by the position among Figure 12; Then wheel 15 is locked, the stable braking state that is in of go-cart.In addition: because the nail formula is stopped axle 7 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.
In this example, the apical pore 55 of cavity 52 can not exist behind Fig. 5, Fig. 6.
Figure 11 q also is the enlarged drawing at right side wheels position, Fig. 1 rear end, and Figure 11 p of symmetry is the braking state of the go-cart rear end left side wheel among Fig. 1 with it.
Embodiment 2.Referring to Fig. 9 g-h; This example also has double-deck external member; And the lower end of the line 8 of stopping has cross-peen 81, and stop axle 7 of stop line 8 and nail formula is connected through double-deck external member indirectly: double-deck external member is positioned at the lower end of back cavity 52 compressing springs 6, and the nail formula axle 7 of stopping crosses following horizontal 44 of double-deck external member; The cross-peen 81 of line 8 lower ends stopped passes the apical pore 55 and compressing spring 6 of cavity 52 behind the wheel seat, be plugged in double-deck external member on carry button 43.
For Fig. 9 h that has omitted wheel seat, the following cross-peen of compressing spring wherein, the line of stopping, double-deck external member and nail formula stop the axle one section back cavity that all is positioned at wheel seat.
Do not have in this example example in 1 to clamp assembly, surplus with example 1.
Embodiment 3.Referring to Figure 10: the lower end of the line 8 of stopping is a latch closure, and latch closure can be hard ring 45 or soft ring 46.The latch closure of line 8 lower ends stopped passes the apical pore 55 and compressing spring 6 of cavity 52 behind the wheel seat, is passed by the nail formula axle 7 of stopping then.For Figure 10 n that has omitted wheel seat, stop a section of axle of the latch closure of compressing spring wherein, the line lower end of stopping and nail formula all is positioned at cavity behind the wheel seat.
The nail formula axle of stopping 7 can be provided with the recessed circle 72 of being convenient to the latch closure position stability, sees Figure 10 m.
Do not have in this example example in 1 to clamp assembly, do not have the double-deck external member in the example 2, surplus with example 1.
Continue explanation the utility model below:
In above routine 1-3, there is not the left and right directions excess in displacement for guaranteeing stop axle 7 of nail formula with respect to wheel seat, nail formula axle 7 ends at no ailhead 71 of stopping can carry and pin or locations such as nut.
Claims (5)
1. the dead-man's device of one-sided single rear wheel doll carriage independently is present in the left side and the right side of go-cart rear end respectively, and each dead-man's device comprises that a moving position cover, locating bush, wheel seat, compressing spring, upper end carry the line of stopping of cross-peen; Moving position cover is 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, has high hole and bundle folder on the same bus of locating bush side; Riveting has the steel minor axis in the high hole; Locating bush inserts the movable riveted joint in back each other with moving position cover, and wheel seat has the pin tube chamber and back cavity that is parallel to each other, and compressing spring is placed in the back cavity inside; Wheel seat is being fixed the horizontal cross-under of center shaft of go-cart rear end left and right side wheel by two ends; The cross-peen of line upper end stopped is plugged in the button hole of moving position cover, and the big portion paragraph of the line of stopping is walked in rear foot tube, it is characterized in that: it also comprises and is interspersed in the wheel seat lateral longitudinal to the nail formula of the slotted hole axle of stopping; The stop ailhead of axle of nail formula is positioned at no wheel one side of wheel seat, the line lower end connected nail formula of the stopping axle of stopping.
2. the dead-man's device of one-sided single rear wheel doll carriage according to claim 1; It is characterized in that: stop line and nail formula are stopped axle through to pressing from both sides indirect the connection: buckle for carrying at clip-on top; 2 parallel upright circles are arranged at the bottom; Folder is positioned at the cavity outside behind the wheel seat, and the line lower end cross-peen of stopping is plugged in folder carried and buckles, and the nail formula axle of stopping passes two upright circles to the folder lower end.
3. the dead-man's device of one-sided single rear wheel doll carriage according to claim 1; It is characterized in that: stop line and the nail formula axle of stopping is connected through double-deck external member indirectly: double-deck external member is carried the fit part of buckle and descend horizontal stroke tin on being; Double-deck external member is positioned at the compressing spring lower end of back cavity; The nail formula axle of stopping crosses the following horizontal tube of double-deck external member, and the line of stopping passes cavity apical pore and compressing spring behind the wheel seat, the line cross-peen of stopping be plugged in double-deck external member on carry and buckleing.
4. the dead-man's device of one-sided single rear wheel doll carriage according to claim 1; It is characterized in that: stop a line and nail formula direct connection of stopping: the line lower end of stopping is a latch closure; The line of stopping passes cavity apical pore and compressing spring behind the wheel seat, and the nail formula axle of stopping crosses the latch closure of line lower end of stopping.
5. the dead-man's device of one-sided single rear wheel doll carriage according to claim 4 is characterized in that: the nail formula axle of stopping is provided with the recessed circle be convenient to the latch closure position stability.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202453370U CN202201023U (en) | 2011-07-13 | 2011-07-13 | Automatic braking device at single side of baby carriage with single rear wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202453370U CN202201023U (en) | 2011-07-13 | 2011-07-13 | Automatic braking device at single side of baby carriage with single rear wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202201023U true CN202201023U (en) | 2012-04-25 |
Family
ID=45965159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202453370U Expired - Fee Related CN202201023U (en) | 2011-07-13 | 2011-07-13 | Automatic braking device at single side of baby carriage with single rear wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202201023U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102874293A (en) * | 2011-07-13 | 2013-01-16 | 安徽省舒城三乐童车有限责任公司 | Automatic brake apparatus of one-sided single-rear-wheel baby stroller |
| CN109789049A (en) * | 2016-09-29 | 2019-05-21 | 旭工业株式会社 | Walking assisting system |
-
2011
- 2011-07-13 CN CN2011202453370U patent/CN202201023U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102874293A (en) * | 2011-07-13 | 2013-01-16 | 安徽省舒城三乐童车有限责任公司 | Automatic brake apparatus of one-sided single-rear-wheel baby stroller |
| CN109789049A (en) * | 2016-09-29 | 2019-05-21 | 旭工业株式会社 | Walking assisting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 Termination date: 20150713 |
|
| EXPY | Termination of patent right or utility model |