CN100410121C - Single hand operation mechanism for baby cart back rest - Google Patents
Single hand operation mechanism for baby cart back rest Download PDFInfo
- Publication number
- CN100410121C CN100410121C CNB2006100536758A CN200610053675A CN100410121C CN 100410121 C CN100410121 C CN 100410121C CN B2006100536758 A CNB2006100536758 A CN B2006100536758A CN 200610053675 A CN200610053675 A CN 200610053675A CN 100410121 C CN100410121 C CN 100410121C
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- right sides
- back rest
- segmentation
- single hand
- operation mechanism
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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
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 sides rear foot tube, left and right sides mounting pipe, the left and right sides backing tube that is symmetrical set, by left and right sides backing tube, left and right sides band iron, about intersect band iron and form the four connecting rod backrests that can amount to; Effect is formed the four connecting rod sectionings that can amount to by left and right sides sectionaliser, left and right sides segmentation pin and left and right backing tube, left and right sides rear foot tube, left and right sides mounting pipe, the left and right sides strut member of adjusting torsion spring; It is characterized in that the described band iron that intersects about a pair of intersects to intert be hinged on point of crossing with permanent seat in the permanent seat groove of mechanism's center of symmetry, and in the permanent seat groove, swing, set drive link interts in the bar hole at permanent seat center the slippage up and down along this bar hole, the drive link top connects button, bottom and left rotation and right rotation part are hinged and connected, and the other end of left rotation and right rotation part is hinged with left and right sides strut member respectively, and the end is resisted against the cantilever end downside of left and right sides sectionaliser respectively; Also be provided with the spring that button is resetted in the permanent seat.
Described left and right sides sectionaliser is made up of left and right sides segmentation attaching parts and the left and right sides segmentation iron plate of fixing on it, left and right sides segmentation iron plate is provided with left and right sides segmentation tooth, and the downward opening teeth groove of this left and right sides segmentation tooth engages with left and right sides segmentation pin on being fixed on left and right sides backing tube realizes the angular adjustment segmentation.The inner end that described left and right segmentation pin is positioned at left and right sides segmentation tooth is provided with the left and right sides 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 sides mounting pipe is provided with the left and right iron plate of the rivet clasp that coincide, and backing tube lower end, the left and right sides and this left and right sides iron plate are hinged and connected.
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, by left and right sides backing tube 1, left and right sides band iron 2, about intersect band iron 8 and form the four connecting rod backrests that can amount to, left and right sides backing tube and left and right band iron one end are hinged, the other end of left and right sides band iron with about to intersect band iron hinged, 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 sides sectionaliser 15, left and right sides segmentation pin 13, left and right sides backing tube 1, left and right sides rear foot tube 16, the left and right sides mounting pipe 18 hinged four connecting rod sectionings that to amount to of forming of realizing that backrest angle is regulated, left and right sides backing tube 1 bottom of four connecting rod sectionings is fixed with left and right sides strut member 12, left and right sides strut member also is the hinge-point of intersection band iron lower end, and left and right sides segmentation pin 13 is fixed on strut member top, the left and right sides.The lower end of left and right sides backing tube and left and right sides iron plate 19 are hinged, and this left and right sides iron plate coincide rivet clasp at mounting pipe 18 middle parts, the left and right sides, and left and right sides mounting tube end and 16 riveted joints of left and right sides rear foot tube are hinged.
Realize that left and right sides sectionaliser 15 1 ends that backrest angle is regulated are hinged on the left and right sides rear foot tube 16 with long rivet, effect has the torsion spring 17 of adjustment on it, adjust torsion spring one pin and be embedded on the sectionaliser of the left and right sides, another pin is embedded on the rear foot tube of the left and right sides, and the other end of left and right sides sectionaliser is cantilever-shaped.Left and right sides sectionaliser 15 is made up of left and right sides segmentation attaching parts 21 fastened to each other and left and right sides segmentation iron plate 20, and left and right sides 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 sides segmentation iron plate 20 is provided with left and right sides segmentation tooth 22,3 downward opening teeth groove of left and right sides segmentation tooth constitute the backrest angle adjusting with the left and right sides segmentation pin 13 that is positioned at strut member top, the left and right sides that is fixed on the backing tube of the left and right sides, 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 sides segmentation iron plate, skid off disengagement for fear of left and right sides segmentation pin, have in the inner end solid welding of left and right sides segmentation pin to be the left and right sides 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, the slippage up and down along this 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.
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 the engaging positioning action of the segmentation tooth 22 disengaging left and right sides segmentation pins 13 on the backrest left and right sides sectionaliser 15, its specific operation process is: earlier button 3 is applied external force, effect by drive link 10 driving forces drives left rotation and right rotation part 11, the left rotation and right rotation part is rotated around hinged support be used for left and right sides sectionaliser 15 bottoms by lever power works, make the segmentation tooth 22 on the sectionaliser of the left and right sides can overcome the effect of adjusting torsion spring 17, is that fulcrum upwards lifts with sectionaliser around its hinged rivet pin, reach the constraint of the segmentation tooth disengaging left and right sides segmentation pin 13 on the sectionaliser of the left and right sides, can regulate 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 left rotation and right rotation part 11 interlocks by drive link 10, make the other end of left rotation and right rotation part hold up sectionaliser 15 bottoms, the left and right sides, after treating that left and right sides segmentation 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. single hand operation mechanism for baby cart back rest, it comprises left and right sides rear foot tube (16), left and right sides mounting pipe (18), the left and right sides backing tube (1) that is symmetrical set, by left and right sides backing tube (1), left and right sides band iron (2), about intersect band iron (8) and form the four connecting rod backrests that can amount to; Effect has left and right sides sectionaliser (15), left and right sides segmentation pin (13) and left and right sides backing tube (1), left and right sides rear foot tube (16), left and right sides mounting pipe (18), the left and right sides strut member (12) of adjustment torsion spring (17) to form the four connecting rod sectionings that can amount to; It is characterized in that the described band iron (8) that intersects about a pair of 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 in the permanent seat groove, swing, set drive link (10) interts in the bar hole (27) at permanent seat (5) center the slippage up and down along this bar hole, drive link (10) top connects button (3), bottom and left rotation and right rotation part (11) are hinged and connected, and the other end of left rotation and right rotation part is hinged with left and right sides strut member (12) respectively, and the end is resisted against the cantilever end downside of left and right sides sectionaliser (15) respectively; 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 sides sectionaliser (15) is made up of left and right sides segmentation attaching parts (21) and the left and right sides segmentation iron plate (20) fixed on it, left and right sides segmentation iron plate (20) is provided with left and right sides segmentation tooth (22), and the downward opening teeth groove of this left and right sides segmentation tooth engages with left and right sides 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 sides segmentation pin (13) is positioned at left and right sides segmentation tooth (22) is provided with the left and right sides 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 sides mounting pipe (18) is provided with the left and right sides iron plate (19) of the rivet clasp that coincide, and left and right sides backing tube (1) lower end and this left and right sides iron plate are hinged and connected.
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).
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 CN1944147A (en) | 2007-04-11 |
| CN100410121C true CN100410121C (en) | 2008-08-13 |
Family
ID=38043854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100536758A Expired - Fee Related CN100410121C (en) | 2006-09-29 | 2006-09-29 | Single hand operation mechanism for baby cart back rest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100410121C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012089119A1 (en) * | 2010-12-29 | 2012-07-05 | 东莞盈利幼童用品有限公司 | Reversing structure for backrest of pram |
| US9630642B2 (en) | 2014-08-14 | 2017-04-25 | Baby Jogger Llc | Baby stroller |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108743135B (en) * | 2018-05-30 | 2021-04-06 | 明基三丰医疗器材（上海）有限公司 | Arm supporting device capable of adjusting arm placing angle |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4111454A (en) * | 1976-07-15 | 1978-09-05 | Kassai Kabushikikaisha | Folding baby carriage |
| 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 |
-
2006
- 2006-09-29 CN CNB2006100536758A patent/CN100410121C/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4111454A (en) * | 1976-07-15 | 1978-09-05 | Kassai Kabushikikaisha | Folding baby carriage |
| 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012089119A1 (en) * | 2010-12-29 | 2012-07-05 | 东莞盈利幼童用品有限公司 | Reversing structure for backrest of pram |
| US9193374B2 (en) | 2010-12-29 | 2015-11-24 | Jordi Dorca | Reversing structure for backrest of PRAM |
| US9630642B2 (en) | 2014-08-14 | 2017-04-25 | Baby Jogger Llc | Baby stroller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1944147A (en) | 2007-04-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
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 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080813 Termination date: 20180929 |
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| CF01 | Termination of patent right due to non-payment of annual fee |