CN1944147A - Single hand operation mechanism for baby cart back rest - Google Patents

Single hand operation mechanism for baby cart back rest Download PDF

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Publication number
CN1944147A
CN1944147A CN 200610053675 CN200610053675A CN1944147A CN 1944147 A CN1944147 A CN 1944147A CN 200610053675 CN200610053675 CN 200610053675 CN 200610053675 A CN200610053675 A CN 200610053675A CN 1944147 A CN1944147 A CN 1944147A
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CN
China
Prior art keywords
back rest
segmentation
single hand
operation mechanism
hand operation
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Granted
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CN 200610053675
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Chinese (zh)
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CN100410121C (en
Inventor
叶伟德
孟胜军
于秀兵
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Individual
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Priority to CNB2006100536758A priority Critical patent/CN100410121C/en
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Publication of CN100410121C publication Critical patent/CN100410121C/en
Expired - Fee Related legal-status Critical Current
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Abstract

The single hand operated back rest mechanism for baby cart includes one foldable four link rod back rest comprising right and left back rest pipes, right and left flat bars and right and left crossed flat bars; one foldable four link rod sectioning device comprising right and left sectioning units with regulating torsion spring, right and left sectioning pins, right and left back rest pipes, right and left foot pipes, right and left seat pipes and right and left support pieces; one single hand operated back rest angle regulating mechanism comprising right and left crossed flat bars, fixing seat, reset spring, button, drive rod, rotating piece, etc. The single hand operated back rest mechanism is simple in structure and easy to operate, and has no increase in cost.

Description

Single hand operation mechanism for baby cart back rest
Technical field
The present invention relates to a kind of single hand operation mechanism of baby cart back rest angular adjustment.
Background technology
Perambulator is to be that the baby sits, crouching provides the specialized equipment of leisure, in order to create more comfortable growth environment to child, backrest adjustment be exactly for satisfy the baby by sitting posture to the prone position state from 110 °~170 ° angular adjustment needs and design-calculated.Present low and middle-grade perambulator is in the backrest adjustment mechanism that considers to adopt mostly on the basis of cost bimanualness, and it is formed four connecting rod backrests and the four connecting rod sectionings that can amount to and constitute by being installed in rear foot tube, mounting pipe, backing tube, the band iron that is hinged on the perambulator and intersecting band iron, the sectionaliser of realizing angular adjustment and segmentation pin etc.Its regulative mode is to rely on two hands while pressing to act on left and right both sides sectionaliser, cause the segmentation tooth disengaging segmentation pin on the sectionaliser of left and right both sides to reach the sectional-regulated purpose of realization, but adjusting has many defectives by both hands, at first, inconvenience is felt in bimanualness very much, and the position, operating station is lower again, and the adult often will bend over to operate; Secondly, bimanualness must just can reach ideal effect by synchronization action, when the forward and backward swing of backrest is subjected to the drag effects between adjacent parts and swings when having some setbacks, just can't rely on hand to help again; The 3rd, banjo splint is stayed between sectionaliser and the rear foot tube, member also easily catches on clothes; The 4th, aesthetic property is poor.
Summary of the invention
The objective of the invention is to avoid the defective of prior art and provide a kind of and under the prerequisite that does not increase cost, make more convenient operation, backrest inclination or hold up smooth and easy, the single hand operation mechanism for baby cart back rest of avoiding clamping finger of swing.
Purpose of the present invention reaches by following technical solution:
A kind of single hand operation mechanism for baby cart back rest, it comprises left and right symmetrically arranged left and right rear foot tube, left and right mounting pipe, left and right backing tube, is made of the four connecting rod backrests that can amount to left and right backing tube, left and right band iron, left and right intersection band iron; Effect is formed the four connecting rod sectionings that can amount to by left and right sectionaliser, left and right segmentation pin and left and right backing tube, left and right rear foot tube, left and right mounting pipe, the left and right strut member of adjusting torsion spring; It is characterized in that described a pair of left and right intersection band iron intersects to intert is hinged on point of crossing with permanent seat in the permanent seat groove of mechanism's center of symmetry, and left and right swing in the permanent seat groove, set drive link interts in the bar hole at permanent seat center along this upper and lower slippage in bar hole, the drive link top connects button, bottom and left and right revolving part are hinged and connected, and the other end of left and right revolving part is hinged with left and right strut member respectively, and the end is resisted against the cantilever end downside of left and right sectionaliser respectively; Also be provided with the spring that button is resetted in the permanent seat.
Described left and right sectionaliser is made up of left and right segmentation attaching parts and the left and right segmentation iron plate of fixing on it, left and right segmentation iron plate is provided with left and right segmentation tooth, and the downward opening teeth groove of this left and right segmentation tooth engages with left and right segmentation pin on being fixed on left and right backing tube realizes the angular adjustment segmentation.The inner end that described left and right segmentation pin is positioned at left and right segmentation tooth is provided with the left and right packing ring of slip-off preventing.
Described drive link cross section is the band iron shape, and the bar hole of respective fixation seat and the connecting bore of button and its shape match.
Described left and right mounting pipe is provided with the left and right iron plate of the rivet clasp that coincide, and left and right backing tube lower end is hinged and connected with this left and right iron plate.
Return spring holder in the described permanent seat is in the permanent seat spring eye, and the bottom is blocked by fixing plug, and the top is placed restrictions on by the curved shoulder of angle square shape of both sides symmetry, exposes the oblong window.
The inserted permanent seat oblong window that is fixed with downward extension on the described button makes the push rod of length of spring compressed energy storage.Described button end face is provided with anti-skidding muscle.
Compared with prior art, the present invention has used four connecting rod backrests and four connecting rod sectionings, intersection band iron on the employing backrest is as the support of one-handed performance parts, by button being applied the lever-linked mechanism that application force drives drive link and revolving part, act on sectionaliser, realize that segmentation tooth and the disengaging of segmentation pin on the sectionaliser reach backrest angle adjusting purpose, it is simple in structure, easy to operate, need not increase cost, the user needn't bend over to stand and just can operate, and regulate smooth and easy, stuck phenomenon can not take place, the danger of also having avoided finger to be crushed has solved the present perambulator difficult problem that major part can only lean on both hands to regulate on the basis of considering cost.
Description of drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is the sectionaliser front elevation.
Fig. 3 is the birds-eye view of Fig. 2.
Fig. 4 is the sectionaliser block diagram.
Fig. 5 is partial elevational constructionals drawing (push rod of button rigidly connects the spring state that touches) such as button, permanent seat.
Fig. 6 is the A-A cutaway view (push rod of button rigidly connects the spring state that touches) of Fig. 5.
Fig. 7 is the button front elevation.
Fig. 8 is the B-B cutaway view of Fig. 7.
Fig. 9 is the button block diagram.
Figure 10 is the permanent seat front elevation.
Figure 11 is the C-C cutaway view of Figure 10.
Figure 12 is the permanent seat block diagram.
The specific embodiment
Below in conjunction with above-mentioned accompanying drawing embodiment the present invention is described further again.
Single hand operation mechanism for baby cart back rest, this operating mechanism is arranged on the baby cart back rest back, with the support of the intersection band iron on the backrest as the one-handed performance parts, is made up of symmetrically arranged three parts.
First is referring to Fig. 1, form the four connecting rod backrests that to amount to by left and right backing tube 1, left and right band iron 2, left and right intersection band iron 8, left and right backing tube and left and right band iron one end are hinged, the other end of left and right band iron is hinged with the left and right band iron that intersects, be that left band iron is hinged with the right band iron that intersects, right band iron is hinged with the left band iron that intersects.
Second portion is referring to Fig. 1~4, by left and right sectionaliser 15, left and right segmentation pin 13, left and right backing tube 1, left and right rear foot tube 16, the left and right mounting pipe 18 hinged four connecting rod sectionings that to amount to of forming of realizing that backrest angle is regulated, left and right backing tube 1 bottom of four connecting rod sectionings is fixed with left and right strut member 12, left and right strut member also is the hinge-point of intersection band iron lower end, and left and right segmentation pin 13 is fixed on left and right strut member top.The lower end of left and right backing tube and left and right iron plate 19 are hinged, and this left and right iron plate coincide rivet clasp at left and right mounting pipe 18 middle parts, and left and right mounting tube end and 16 riveted joints of left and right rear foot tube are hinged.
Realize that left and right sectionaliser 15 1 ends that backrest angle is regulated are hinged on the left and right rear foot tube 16 with long rivet, effect has the torsion spring 17 of adjustment on it, adjusting torsion spring one pin is embedded on left and right sectionaliser, another pin is embedded on left and right rear foot tube, and the other end of left and right sectionaliser is cantilever-shaped.Left and right sectionaliser 15 is made up of left and right segmentation attaching parts 21 fastened to each other and left and right segmentation iron plate 20, and left and right segmentation attaching parts is provided with disjunctor pipe 23, and hinged rivet is installed in the pipe, adjusts torsion spring 17 suits on it.Left and right segmentation iron plate 20 is provided with left and right segmentation tooth 22,3 downward opening teeth groove of left and right segmentation tooth constitute the backrest angle adjusting with the left and right segmentation pin 13 that is positioned at left and right strut member top that is fixed on the left and right backing tube, form the baby by 110 °~170 ° the angle of regulation range of sitting posture status adjustment to the prone position state.In the teeth groove of left and right segmentation iron plate, skid off disengagement for fear of left and right segmentation pin, have in the inner end solid welding of left and right segmentation pin to be the left and right packing ring 14 of takeing on shape.
Third part is referring to Fig. 1, Fig. 5~12, it is the single hand operation mechanism of baby cart back rest angular adjustment, promptly the drive link 10 that the cross section is the band iron shape is set at mechanism's center of symmetry, drive link interts in the bar hole 27 that heart shape matches in permanent seat 5, along this upper and lower slippage in bar hole, its top and button 3 also have the oblong push rod 24 on the button to be fixed as one by set pin 4 threes, and the button end face is provided with anti-skidding muscle 25.
Permanent seat 5 is except being provided with the bar hole of interting for drive link, the groove 26 that the band iron 8 that intersects in addition interts, and be hinged on point of crossing with permanent seat 5, make intersect band iron can be in the permanent seat groove left side, right swing, be provided with the spring 7 that button is resetted in the permanent seat, after spring is inserted from the bottom spring eye, fixedly plug 9 by the bottom blocks, the top is placed restrictions on by the curved shoulder 28 of angle square shape of siamesed both sides symmetry, oblong window 29 is only exposed at the middle part, top, realize that for oblong push rod 24 pushing tows on the button button resets, fixing plug 9 also utilize set pin 7 and with a left side, right intersection band iron 8 and permanent seat 5 are hinged and connected one.
Drive link 10 bottoms are hinged with the left and right revolving part 11 of symmetry, left and right revolving part forms hinged support with left and right strut member 12 again simultaneously, and stretch out and lift up shape on becoming slightly, be resisted against the downside recess of left and right sectionaliser 15 cantilever ends respectively, carry out the backrest angle adjusting with engaging of sectionaliser segmentation tooth so that lift sectionaliser releasing segmentation pin.
Being articulated and connected described in the above-mentioned literary composition forms by hinged rivet pin riveted.
Backrest one-handed performance of the present invention is to utilize the effect of driving force to drive the interlock effect of other mechanism, make a backrest left side, segmentation tooth 22 on the right sectionaliser 15 breaks away from a left side, the engaging positioning action of the section of parting on the right side pin 13, its specific operation process is: earlier button 3 is applied external force, effect by drive link 10 driving forces drives a left side, right rotation part 11, make a left side, the right rotation part rotates around hinged support and is used for a left side by lever power works, right sectionaliser 15 bottoms, make a left side, segmentation tooth 22 on the right sectionaliser can overcome the effect of adjusting torsion spring 17, is that fulcrum upwards lifts with sectionaliser around its hinged rivet pin, reach a left side, segmentation tooth on the right sectionaliser breaks away from a left side, the constraint of the section of parting on the right side pin 13 can be regulated the backrest gear that it needs arbitrarily.After the user reached the required backrest gear of adjusting, its device returned to the virgin state position under the effect of each member under the effect that loses external force by adjustment torsion spring 17 and button retracing spring 6.
The user is in the process of regulating backrest, stand in the perambulator back, push down button 3 with hand thumb and position, hand support part thereof, other four finger can catch on permanent seat 5 peripheries, adopt the effect of grip that button is applied downward pressure, push rod 24 top pressure springs 6 on the button make its compression energy storage and move downward, then drive a left side by drive link 10, right rotation part 11 interlocks, make a left side, the other end of right rotation part holds up a left side, right sectionaliser 15 bottoms, treat a left side, after the section of parting on the right side pin 13 breaks away from sectionaliser segmentation tooth 22 teeth groove, pull backrest to required gear with the right hand equally, thereby reach the one-handed performance purpose.

Claims (8)

1, a kind of single hand operation mechanism for baby cart back rest, it comprises left and right symmetrically arranged left and right rear foot tube (16), left and right mounting pipe (18), left and right backing tube (1), is made of the four connecting rod backrests that can amount to left and right backing tube (1), left and right band iron (2), left and right intersection band iron (8); Effect has left and right sectionaliser (15), left and right segmentation pin (13) and left and right backing tube (1), left and right rear foot tube (16), left and right mounting pipe (18), the left and right strut member (12) of adjustment torsion spring (17) to form the four connecting rod sectionings that can amount to; It is characterized in that a described a pair of left side, the right band iron (8) that intersects intersects to intert be hinged on point of crossing with permanent seat in permanent seat (5) groove (26) of mechanism's center of symmetry, and it is left in the permanent seat groove, right swing, set drive link (10) interts in the bar hole (27) at permanent seat (5) center along on this bar hole, following slippage, drive link (10) top connects button (3), a bottom and a left side, right rotation part (11) is hinged and connected, and a left side, the other end of right rotation part respectively with a left side, right strut member (12) is hinged, and the end is resisted against a left side respectively, the cantilever end downside of right sectionaliser (15); Also be provided with the spring (6) that button (3) is resetted in the permanent seat (5).
2, single hand operation mechanism for baby cart back rest according to claim 1, it is characterized in that described left and right sectionaliser (15) is made up of left and right segmentation attaching parts (21) and the left and right segmentation iron plate (20) fixed on it, left and right segmentation iron plate (20) is provided with left and right segmentation tooth (22), and the downward opening teeth groove of this left and right segmentation tooth engages with left and right segmentation pin (13) on being fixed on left and right backing tube realizes the angular adjustment segmentation.
3, single hand operation mechanism for baby cart back rest according to claim 2 is characterized in that inner end that described left and right segmentation pin (13) is positioned at left and right segmentation tooth (22) is provided with the left and right packing ring (14) of slip-off preventing.
4, single hand operation mechanism for baby cart back rest according to claim 1 is characterized in that described drive link (10) cross section is the band iron shape, and the bar hole (27) of respective fixation seat (5) and connecting bore and its shape of button match.
5, single hand operation mechanism for baby cart back rest according to claim 1 is characterized in that described left and right mounting pipe (18) is provided with the left and right iron plate (19) of the rivet clasp that coincide, and left and right backing tube (1) lower end is hinged and connected with this left and right iron plate.
6, single hand operation mechanism for baby cart back rest according to claim 1, it is characterized in that retracing spring (6) seat in the described permanent seat (5) is in the permanent seat spring eye, the bottom is blocked by fixing plug (9), the top is placed restrictions on by the curved shoulder of angle square shape (28) of both sides symmetry, exposes oblong window (29).
7, according to claim 1 or 6 described single hand operation mechanism for baby cart back rest, the inserted permanent seat oblong window (29) that it is characterized in that being fixed with on the described button (3) downward extension makes the push rod (24) of length of spring compressed energy storage.
8, single hand operation mechanism for baby cart back rest according to claim 1 is characterized in that described button (3) end face is provided with anti-skidding muscle (25).
CNB2006100536758A 2006-09-29 2006-09-29 Single hand operation mechanism for baby cart back rest Expired - Fee Related CN100410121C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2006100536758A CN100410121C (en) 2006-09-29 2006-09-29 Single hand operation mechanism for baby cart back rest

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2006100536758A CN100410121C (en) 2006-09-29 2006-09-29 Single hand operation mechanism for baby cart back rest

Publications (2)

Publication Number Publication Date
CN1944147A true CN1944147A (en) 2007-04-11
CN100410121C CN100410121C (en) 2008-08-13

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CNB2006100536758A Expired - Fee Related CN100410121C (en) 2006-09-29 2006-09-29 Single hand operation mechanism for baby cart back rest

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105304070A (en) * 2014-09-18 2016-02-03 涿州市赵家笙乐器制造有限公司 Button-relay-type sheng pipe
CN108743135A (en) * 2018-05-30 2018-11-06 明基三丰医疗器材(上海)有限公司 The arm resting device of adjustable arm placement angle

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2660123A4 (en) * 2010-12-29 2018-01-24 Njoy Baby SL Reversing structure for backrest of pram
US9630642B2 (en) 2014-08-14 2017-04-25 Baby Jogger Llc Baby stroller

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1066314B (en) * 1976-07-15 1985-03-04 Kassai Kk IMPROVEMENT IN CHILD WHEELCHAIRS
CN2203944Y (en) * 1994-06-24 1995-07-26 张正佐 Apparatus for adjusting angles of mat of baby's carriage
US5806877A (en) * 1996-08-28 1998-09-15 Huang; Li-Chu Chen Adjustable back structure of a stroller
CN2428033Y (en) * 2000-06-02 2001-05-02 蓝贯仁 Baby carriage with back-gradient segmental regulating device
CN2454223Y (en) * 2000-12-29 2001-10-17 甘明村 Chair-back angle regulation structure for baby's carriage
CN2664967Y (en) * 2003-11-27 2004-12-22 罗吉安 Infant's go-cart with angle adjustable chair back
CN2752130Y (en) * 2004-08-06 2006-01-18 叶伟德 Back regulating mechanism for children's carriage
CN2813403Y (en) * 2005-02-07 2006-09-06 勋立儿童用品(深圳)有限公司 Children's carriage seat back regulating mechanism
CN200954828Y (en) * 2006-09-29 2007-10-03 叶伟德 Baby's carriage back single-hand operation mechanism

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105304070A (en) * 2014-09-18 2016-02-03 涿州市赵家笙乐器制造有限公司 Button-relay-type sheng pipe
CN105304070B (en) * 2014-09-18 2023-06-02 涿州市赵家笙乐器制造有限公司 Button relay type sheng seedling
CN108743135A (en) * 2018-05-30 2018-11-06 明基三丰医疗器材(上海)有限公司 The arm resting device of adjustable arm placement angle

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Assignee: Ningbo Mamibao Infant & Children Article Making Co., Ltd.

Assignor: Ye Weide

Contract record no.: 2010330001796

Denomination of invention: Single hand operation mechanism for baby cart back rest

Granted publication date: 20080813

License type: Exclusive License

Open date: 20070411

Record date: 20100907

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080813

Termination date: 20180929

CF01 Termination of patent right due to non-payment of annual fee