CN202641796U - Rear wheel rotation structure of baby stroller - Google Patents
Rear wheel rotation structure of baby stroller Download PDFInfo
- Publication number
- CN202641796U CN202641796U CN 201220187943 CN201220187943U CN202641796U CN 202641796 U CN202641796 U CN 202641796U CN 201220187943 CN201220187943 CN 201220187943 CN 201220187943 U CN201220187943 U CN 201220187943U CN 202641796 U CN202641796 U CN 202641796U
- Authority
- CN
- China
- Prior art keywords
- pin joint
- support component
- rear support
- pin
- rear wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Handcart (AREA)
Abstract
The utility model discloses a rear wheel rotation structure of a baby stroller. The rear wheel rotation structure of the baby stroller comprises two rear brackets, two rear wheel assemblies, and a rear supporting assembly which is arranged between the two rear brackets and is capable of being folded left and right, wherein the lower ends of the rear brackets are inserted in the rear wheel seats of the rear wheel assemblies and are in pin-jointed and fixed by virtue of forward and backward rotating shafts, U-shaped grooves through which the rear brackets can penetrate are arranged on the inner side walls of the rear wheel seats, rotating pins are closely assembled on the inner sides of the rear wheel seats, connecting links are connected between the rotating pins and the rear supporting assembly, when the rear supporting assembly is folded leftward and rightward, the rear supporting assembly drives the connecting links to move upward, the connecting links drive the rear wheel assemblies to rotate around the rotating shafts through the rotating pins, the rear brackets rotate in the U-shaped slots, when the whole vehicle is folded well, the rear wheel assemblies are vertically arranged on the ground, the rear wheels of the rear wheel assemblies are horizontally arranged on the ground; and therefore, the whole stroller is smaller in volume after being folded and is convenient to carry, and the folded frame is self stood conveniently.
Description
Technical field
The utility model relates to a kind of doll carriage, relates in particular to a kind of trailing wheel rotational structure of doll carriage.
Background technology
Existing doll carriage mainly comprises folding vehicle frame, seat mechanism, front component, wheel assembly, with the lockout mechanism of described bicycle frame lock under expanded position.Described vehicle frame comprises the side stand that is positioned at left and right sides section, described seat mechanism is arranged between the side stand of both sides, the side stand of every side comprises front frame, push rod and after poppet, for the ease of about two side stands to gathering, generally all be provided with between described two after poppets can about to the rear support component that draws in, be provided with between two front frames and two after poppets can about to the bottom bracing frame that draws in.Because front component and wheel assembly are fixed on front frame and the after poppet, thus car load folding after, wheel can't draw in, overall volume can't taper to minimum rating.
Summary of the invention
The utility model purpose is: the trailing wheel rotational structure that a kind of doll carriage is provided, thereafter about support component when drawing in, rear support component drives wheel assembly by trace, swivel pin and rotates around S. A., when car load is finished when folding, the trailing wheel of wheel assembly is flat on the ground, so not only so that the volume that car load is folded up is less, convenient packing is convenient to again in addition folding rear carriage and is supported oneself.
The technical solution of the utility model is: a kind of trailing wheel rotational structure of doll carriage, comprise two after poppets, two wheel assemblies, and be arranged between two after poppets and can about to the rear support component that draws in, the lower end of described after poppet is plugged in the rear wheel seat of wheel assembly and by sagittal S. A. pin joint and fixes, the madial wall of described rear wheel seat is provided with the U-shaped groove that passes for for after poppet, the inside portion close-fitting of described rear wheel seat has swivel pin, be connected with trace between this swivel pin and the rear support component, when about rear support component when drawing in, rear support component drives on the trace and moves, trace drives wheel assembly by swivel pin and rotates around S. A., after poppet rotates in U-shaped groove, when car load is finished when folding, wheel assembly is vertical is located at ground, and the trailing wheel of wheel assembly is flat on the ground.
Because existing back brace unit construction is various, exemplified following several in the utility model:
One of concrete structure of described rear support component: described rear support component comprises the X-type back pole-bracket that is formed by two strut middle part pin joints, and two respectively with the first sliding part of two after poppet bearing fits, two bottoms of X-type back pole-bracket are connected with the after poppet pin joint, two upper ends of X-type back pole-bracket and above-mentioned the first slide pin connect in succession, be installed with back-up ring on the described after poppet, when rear support component launched fully, the first sliding part lower end was supported to be located at and is realized the location on the described back-up ring.
Two of the concrete structure of described rear support component: described rear support component comprises strut on two, two lower supporting rods, vertical brace bar and two strut bars, the upper end pin joint of the inner of strut and vertical brace bar on described two, on two the outer end of strut respectively with two after poppet pin joints, the lower end pin joint of the inner of described two lower supporting rods and vertical brace bar, the outer end of two lower supporting rods respectively with two after poppet pin joints, the top of described vertical brace bar has connecting strap, the upper end pin joint of described two strut bars is on described connecting strap, the lower end pin joint of two strut bars is on the bearing pin between homonymy lower supporting rod and the after poppet, described rear support component has the second sliding part with the after poppet bearing fit, is connected with respectively trace between strut and two second sliding parts on described two.Also be connected with foot piece on the bearing pin of described vertical brace bar and two lower supporting rods.
Three of the concrete structure of described rear support component: described rear support component comprises the X-type support that is formed by two pole middle part pin joints, the sheer pole that two cross tubes and two inner pin joints connect, described cross tube pin joint is between two upper ends and two after poppets of X-type support, described two traces difference pin joint is on the bearing pin of strut on two and X-type support, two bottoms of described X-type support respectively with two after poppets, the outer end pin joint of two sheer poles, when rear support component launches fully, two sheer poles are yi word pattern and arrange, and be located in two sheer pole pin joint places by the locking piece on the side sheer pole, the location when realizing launching.
On as long as above-mentioned trace is connected to that rear support component can move when drawing in some or two parts.
The utility model has the advantages that: the utility model about rear support component when drawing in, rear support component drives wheel assembly by trace, swivel pin and rotates around S. A., when car load is finished when folding, the trailing wheel of wheel assembly is flat on the ground, so not only so that the volume that car load is folded up is less, convenient packing is convenient to again in addition folding rear carriage and is supported oneself.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is one of the utility model enforcement constitution diagram when being in the vehicle frame deployed condition;
Fig. 2, Fig. 3 are the partial schematic diagram of wheel assembly and after poppet, trace;
Fig. 4 is the assembly drowing of wheel assembly and after poppet, trace;
Fig. 5 is that Fig. 1 is in the scheme drawing in the folding process;
Fig. 6 is the scheme drawing of Fig. 1 when being in folded state;
Fig. 7 is two of the enforcement constitution diagram of the utility model when being in the vehicle frame deployed condition;
Fig. 8 is three of the enforcement constitution diagram of the utility model when being in the vehicle frame deployed condition.
Wherein: 1 after poppet; 2 wheel assemblies; 3 rear support components; 4 rear wheel seats; 5 S. A.s; 6 U-shaped grooves; 7 swivel pins; 8 traces; 9 trailing wheels; 10 struts; 11 X-type back pole-brackets; 12 first sliding parts; 13 back-up rings; Strut on 14; 15 lower supporting rods; 16 vertical brace bars; 17 strut bars; 18 connecting straps; 19 poles; 20 X-type struts; 21 cross tubes; 22 sheer poles; 23 locking pieces; 24 traces; 25 second sliding parts; 26 foot pieces.
The specific embodiment
Embodiment: extremely shown in Figure 8 such as Fig. 1, a kind of trailing wheel rotational structure of doll carriage, comprise two after poppets 1, two wheel assemblies 2, and be arranged between two after poppets 1 and can about to the rear support component 3 that draws in, the lower end of described after poppet 1 is plugged in the rear wheel seat 4 of wheel assembly 2 and by sagittal S. A. 5 pin joints and fixes, the madial wall of described rear wheel seat 4 is provided with the U-shaped groove 6 that passes for for after poppet 1, the inside portion close-fitting of described rear wheel seat 4 has swivel pin 7, be connected with trace 8 between this swivel pin 7 and the rear support component 3, when rear support component about 3 when drawing in, rear support component 3 drives on the trace 8 and moves, trace 8 drives wheel assembly 2 around S. A. 5 rotations by rotation 7 pins, after poppet 1 is in U-shaped groove 6 interior rotations, when car load is finished when folding, wheel assembly 2 stands is located at ground, and the trailing wheel 9 of wheel assembly 2 is flat on the ground.So not only so that the volume that car load is folded up is less, convenient packing is convenient to again in addition folding rear carriage and is supported oneself.
Because support component 3 structures are various after existing, exemplified following several in the utility model:
One of concrete structure of described rear support component 3: such as Fig. 1, Fig. 5 and shown in Figure 6, described rear support component 3 comprises the X-type back pole-bracket 11 that is formed by two struts, 10 middle part pin joints, and two respectively with the first sliding part 12 of two after poppets, 1 bearing fit, two bottoms of X-type back pole-bracket 11 are connected with after poppet 1 pin joint, two upper ends of X-type back pole-bracket 11 are connected with above-mentioned the first sliding part 12 pin joints, be installed with back-up ring 13 on the described after poppet 1, when rear support component 3 launched fully, the first sliding part 12 lower ends were supported to be located at and are realized the location on the described back-up ring 13.Among the present embodiment figure, the upper end of described two traces 8 difference pin joint is on the top of two struts 10.
Two of the concrete structure of described rear support component 3: as shown in Figure 7, described rear support component 3 comprises strut 14 on two, two lower supporting rods 15, vertical brace bar 16 and two strut bars 17, the upper end pin joint of the inner of strut 14 and vertical brace bar 16 on described two, on two the outer end of strut 14 respectively with two after poppets, 1 pin joint, the lower end pin joint of the inner of described two lower supporting rods 15 and vertical brace bar 16, the outer end of two lower supporting rods 15 respectively with two after poppets, 1 pin joint, the top of described vertical brace bar 16 has connecting strap 18, the upper end pin joint of described two strut bars 17 is on described connecting strap 18, the lower end pin joint of two strut bars 17 is on the bearing pin between homonymy lower supporting rod 15 and the after poppet 1, described rear support component 3 has the second sliding part 25 with after poppet 1 bearing fit, is connected with respectively trace 24 between strut 14 and two second sliding parts 25 on described two.Also be connected with foot piece 26 on the bearing pin of described vertical brace bar 16 and two lower supporting rods 15.When rear support component 3 launched fully, strut 14 and two lower supporting rods 15 substantially were yi word pattern and arrange on two, when rear support component 3 draws in, moved on the vertical brace bar, and strut 14 and two lower supporting rods 15 draw in and are chevron shaped on two.Among the present embodiment figure, the upper end of described two traces 8 difference pin joint is on strut on two 14.
Three of the concrete structure of described rear support component 3: as shown in Figure 8, described rear support component comprises the X-type support 20 that is formed by two poles, 19 middle part pin joints, the sheer pole 22 that two cross tubes 21 and two inner pin joints connect, described cross tube 21 pin joints are between two upper ends and two after poppets 1 of X-type support 20, two bottoms of described X-type support 20 respectively with two after poppets 1, the outer end pin joint of two sheer poles 22, when rear support component 3 launches fully, two sheer poles 22 are yi word pattern and arrange, and be located in two sheer poles, 22 pin joint places by the locking piece 23 on the side sheer pole 22, the location when realizing launching.Among the present embodiment figure, the upper end of described two traces 8 difference pin joint is on the bearing pin of two cross tubes 14 and X-type support 20.
Below only be concrete exemplary applications of the present utility model, protection domain of the present utility model is not constituted any limitation.In addition to the implementation, the utility model can also have other embodiment.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the utility model scope required for protection.
Claims (7)
1. the trailing wheel rotational structure of a doll carriage, comprise two after poppets (1), two wheel assemblies (2), and be arranged between two after poppets (1) and can about to the rear support component (3) that draws in, it is characterized in that: the lower end of described after poppet (1) is plugged in the rear wheel seat (4) of wheel assembly (2) and by sagittal S. A. (5) pin joint and fixes, the madial wall of described rear wheel seat (4) is provided with the U-shaped groove (6) that passes for for after poppet (1), the inside portion close-fitting of described rear wheel seat (4) has swivel pin (7), be connected with trace (8) between this swivel pin (7) and the rear support component (3), when about rear support component (3) when drawing in, rear support component (3) drives on the trace (8) and moves, trace (8) drives wheel assembly (2) by rotation (7) pin and rotates around S. A. (5), after poppet (1) rotates in U-shaped groove (6), when car load is finished when folding, wheel assembly (2) is vertical is located at ground, and the trailing wheel (9) of wheel assembly (2) is flat on the ground.
2. the trailing wheel rotational structure of a kind of doll carriage according to claim 1, it is characterized in that: described rear support component (3) comprises the X-type back pole-bracket (11) that is formed by two struts (10) middle part pin joint, and two respectively with first sliding part (12) of two after poppets (1) bearing fit, two bottoms of X-type back pole-bracket (11) are connected with after poppet (1) pin joint, two upper ends of X-type back pole-bracket (11) are connected with above-mentioned the first sliding part (12) pin joint, be installed with back-up ring (13) on the described after poppet (1), when rear support component (3) when launching fully, the first sliding part (12) lower end is supported and is located at the upper location of realizing of described back-up ring (13).
3. the trailing wheel rotational structure of a kind of doll carriage according to claim 2 is characterized in that: the upper end of described two traces (8) respectively pin joint on the top of two struts (10).
4. the trailing wheel rotational structure of a kind of doll carriage according to claim 1, it is characterized in that: described rear support component (3) comprises strut on two (14), two lower supporting rods (15), vertical brace bar (16) and two strut bars (17), the upper end pin joint of the inner of strut on described two (14) and vertical brace bar (16), the outer end of strut on two (14) respectively with two after poppets (1) pin joint, the lower end pin joint of the inner of described two lower supporting rods (15) and vertical brace bar (16), the outer end of two lower supporting rods (15) respectively with two after poppets (1) pin joint, the top of described vertical brace bar (16) has connecting strap (18), the upper end pin joint of described two strut bars (17) is on described connecting strap (18), the lower end pin joint of two strut bars (17) is on the bearing pin between homonymy lower supporting rod (15) and the after poppet (1), described rear support component (3) has the second sliding part (25) with after poppet (1) bearing fit, be connected with respectively trace (24) between strut on described two (14) and two second sliding parts (25), also be connected with foot piece (26) on the bearing pin of described vertical brace bar (16) and two lower supporting rods (15).
5. the trailing wheel rotational structure of a kind of doll carriage according to claim 4 is characterized in that: the upper end of described two traces (8) respectively pin joint on strut on two (14).
6. the trailing wheel rotational structure of a kind of doll carriage according to claim 1, it is characterized in that: described rear support component comprises the X-type support (20) that is formed by two poles (19) middle part pin joint, the sheer pole (22) that two cross tubes (21) and two inner pin joints connect, described cross tube (21) pin joint is between two upper ends and two after poppets (1) of X-type support (20), two bottoms of described X-type support (20) respectively with two after poppets (1), the outer end pin joint of two sheer poles (22), when rear support component (3) when launching fully, two sheer poles (22) are yi word pattern and arrange, and be located in two sheer poles (22) pin joint place by the locking piece (23) on the side sheer pole (22), the location when realizing launching.
7. the trailing wheel rotational structure of a kind of doll carriage according to claim 8 is characterized in that: the upper end of described two traces (8) respectively pin joint on the bearing pin of two cross tubes (14) and X-type support (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220187943 CN202641796U (en) | 2012-04-28 | 2012-04-28 | Rear wheel rotation structure of baby stroller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220187943 CN202641796U (en) | 2012-04-28 | 2012-04-28 | Rear wheel rotation structure of baby stroller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202641796U true CN202641796U (en) | 2013-01-02 |
Family
ID=47410945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220187943 Withdrawn - After Issue CN202641796U (en) | 2012-04-28 | 2012-04-28 | Rear wheel rotation structure of baby stroller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202641796U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102673625A (en) * | 2012-04-28 | 2012-09-19 | 昆山威凯儿童用品有限公司 | Rear wheel rotating structure of baby trolley |
| CN108502005A (en) * | 2018-05-11 | 2018-09-07 | 昆山威凯儿童用品有限公司 | A kind of foldable baby stroller |
-
2012
- 2012-04-28 CN CN 201220187943 patent/CN202641796U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102673625A (en) * | 2012-04-28 | 2012-09-19 | 昆山威凯儿童用品有限公司 | Rear wheel rotating structure of baby trolley |
| CN102673625B (en) * | 2012-04-28 | 2015-03-25 | 昆山威凯儿童用品有限公司 | Rear wheel rotating structure of baby trolley |
| CN108502005A (en) * | 2018-05-11 | 2018-09-07 | 昆山威凯儿童用品有限公司 | A kind of foldable baby stroller |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203946142U (en) | The front and back wheel upset fold mechanism of perambulator | |
| CN201077471Y (en) | Bidirectional collapsible cart | |
| CN202641796U (en) | Rear wheel rotation structure of baby stroller | |
| CN104044622A (en) | Children trolley | |
| CN205168602U (en) | Shallow of two -way folding baby | |
| CN203111254U (en) | Child cart | |
| CN201268327Y (en) | Foldable baby carriage | |
| CN102673625B (en) | Rear wheel rotating structure of baby trolley | |
| CN207311559U (en) | Children trolley | |
| CN203142745U (en) | Folding mechanism of baby stroller | |
| CN202806830U (en) | Stroller | |
| CN201183509Y (en) | Perambulator | |
| CN103707912A (en) | Stroller allowing reversing | |
| CN202574320U (en) | Folding and self standing structure of baby stroller | |
| CN203920856U (en) | Children trolley | |
| CN203996352U (en) | A kind of doll carriage | |
| CN202753995U (en) | Car frame structure of folding baby stroller | |
| CN203581046U (en) | Foldable child cart | |
| CN202669900U (en) | Frame structure for folding baby stroller | |
| CN203237273U (en) | Bidirectional foldable bassinet | |
| CN202896644U (en) | Bi-directionally folded baby stroller | |
| CN207449995U (en) | A kind of children trolley | |
| CN202518315U (en) | Baby carriage | |
| CN201825083U (en) | Baby buggy | |
| CN203864748U (en) | Foldable stroller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130102 Effective date of abandoning: 20150325 |
|
| RGAV | Abandon patent right to avoid regrant |