CN205292749U - Child stroller - Google Patents
Child stroller Download PDFInfo
- Publication number
- CN205292749U CN205292749U CN201521029401.6U CN201521029401U CN205292749U CN 205292749 U CN205292749 U CN 205292749U CN 201521029401 U CN201521029401 U CN 201521029401U CN 205292749 U CN205292749 U CN 205292749U
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- Prior art keywords
- seat
- seat post
- extension rod
- wheel support
- vehicle frame
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- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
(B, ) the utility model relates to a (B, ) (b) child stroller. Child stroller includes seat pole subassembly, seat extension rod and attached locking device. Seat pole subassembly is installed between front wheel support and bracing piece, and seat extension rod and seat pole subassembly rotate to be connected, attached locking device be used for with seat pole subassembly and the locking of seat extension rod at frame development condition, the seat extension rod is installed at seat pole subassembly front end, when the frame was in development condition, the seat extension rod propped immediately along the extending direction of seat pole subassembly, attach locking device and lock seat pole subassembly and seat extension rod each other, be in fold condition when the frame, attached locking device unblock, the seat extension rod rotates to draw close with seat pole subassembly and folds up. The seat pole subassembly and the whole seat of the seat extension rod constitution pole that adopt the rotation connection make the seat pole can form inflexible seat pole when the frame expandes, and it folds up to draw close each other again when folding makes the further reduction occupation space of frame after folding together. (B, )
Description
Technical field
This utility model relates to a kind of children trolley.
Background technology
At present, children trolley, in order to receive and convenient transportation, is usually designed to folding pattern. The folding mode of children trolley is different, structure difference makes space that the children trolley folded takies, the compactness of folding is all different. Existing children trolley is part folding mostly, folds rear shared space or relatively larger. The seat post portion of children trolley is mostly the rigid structure of integral type, children trolley can only be drawn close to vehicle frame folding direction time folding, and it cannot reduce further to take up room due to the restriction of own vol and make the minimizing part that whole children trolley takes up room after folding limited.
Utility model content
The technical problems to be solved in the utility model be to provide a kind of folding after take up room little children trolley.
In order to solve above-mentioned technical problem, a kind of technical scheme that this utility model adopts is: a kind of children trolley, including having the vehicle frame of deployed condition and folded state, being arranged on the front-wheel of vehicle frame lower front portion, be arranged on the trailing wheel of vehicle frame lower rear. described vehicle frame includes the front-wheel support that bottom is connected with front-wheel, the rear wheel support that bottom is connected with trailing wheel, push rod, support bar, seat post assembly, seat extension rod, frame locking device and attached locking device, described front-wheel support and rear wheel support are rotationally connected, described push rod is installed in front-wheel support top, described support bar is installed between push rod and rear wheel support, described seat post assembly is installed between front-wheel support and support bar, described seat extension rod and seat post assembly are rotationally connected, described attached locking device is for being locked in vehicle frame deployed condition by seat post assembly and seat extension rod, described seat extension rod is installed in seat post assembly front end, when vehicle frame is in deployed condition, vehicle frame is locked by described frame locking device, described seat extension rod supports vertical along the bearing of trend of seat post assembly, seat post assembly and seat extension rod are locked by described attached locking device mutually,When vehicle frame folding, described frame locking device unlocks, and described front-wheel support rotates the described attached locking device of drive relative to seat bar assembly and unlocks, and described push rod, rear wheel support, front-wheel support, seat extension rod and seat post assembly rotate mutually draws close folding.
Preferably, described front-wheel support is fixed with groove, and described seat post assembly is provided with bearing pin, and when described vehicle frame is in the deployed, described bearing pin is positioned at groove; When described vehicle frame is in folding position, described bearing pin moves to outside groove along the inwall of groove.
Preferably, described seat post assembly includes seat post body and is installed on the seat post fixture of seat post body end, described seat extension rod and seat post fixture are rotationally connected, described front-wheel support and seat post fixture are rotationally connected, and described support bar and seat post body are rotationally connected.
Preferably, described attached locking device includes the locked groove being opened on seat extension rod, the dead bolt being slidably arranged on seat post assembly and the compression spring being arranged between dead bolt and seat post assembly, when vehicle frame launches, described compression spring promotes dead bolt to snap in locked groove and seat post assembly and seat extension rod is mutually locked; Working as vehicle frame folding, pull dead bolt to depart from locked groove and unlock, described seat extension rod rotates draws close folding with seat post assembly.
Further, described seat post body is the fitting structure of hollow, described compression spring is installed in seat post, and this is internal, described dead bolt is originally internal from the end of seat post body insertion seat post and is against on compression spring, when vehicle frame launches, described dead bolt snaps in the locked groove of seat extension rod through seat post fixture; Work as vehicle frame folding, pull this internal disengaging with locked groove of dead bolt retraction seat post to unlock.
Preferably, described locked groove is opened in the rear portion of seat extension rod, and described locked groove has multiple, the plurality of locked groove be distributed in seat extension rod around the center of rotation of seat post fixture on the circumference in the center of circle.
Further, described seat post body offers waist-shaped hole, described children trolley also includes solving latch mechanism, described solution latch mechanism includes fixing the bearing pin being connected with dead bolt, it is set in the sliding sleeve on bearing pin and the connector being installed on front-wheel support rotationally, described bearing pin and sliding sleeve stretch out described waist-shaped hole and expose in seat post originally external, described front-wheel support is rotationally connected by connector and seat post fixture, described connector offers groove, described sliding sleeve is connected with groove fit, when vehicle frame is in deployed condition, described bearing pin and sliding sleeve stretch in groove, described sliding sleeve rolls with groove and is connected, when vehicle frame is in folded state, described bearing pin and sliding sleeve are positioned at outside groove, described sliding sleeve is against on connector, during folding stand, front-wheel support rotates and makes connector drive to slide in groove and roll until sliding sleeve leaves groove, and described connector extruding sliding sleeve drives dead bolt to separate with locked groove to seat post body contract and unlocked by attached locking device.
Concrete, the upper end of described front-wheel support and the upper end of rear wheel support are crossed to form the first cradle head, and described seat post assembly is rotationally connected place lower than the first cradle head with front-wheel support.
Concrete, described push rod includes upper push-rod and the lower push-rod being rotationally connected with upper push-rod, the lower rotational of described lower push-rod is connected to the first cradle head place, the top of described lower push-rod is crossed to form support bar top described in the second cradle head and is connected with upper push-rod lower rotational with upper push-rod, and described support bar bottom and rear wheel support are rotationally connected.
Further, when vehicle frame is in deployed condition, described support bar and upper push-rod be rotationally connected place lower than the second cradle head, the junction of described support bar and rear wheel support is lower than the junction of described support bar Yu seat post assembly.
Referred to above to all around go up the inferior noun of locality, be that the orientation when described children trolley normal uses is made to define.
Scope of the present utility model, however it is not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, also should contain other technical scheme being carried out combination in any by above-mentioned technical characteristic or its equivalent feature and being formed simultaneously. Such as features described above and (but not limited to) disclosed herein have the technical characteristic of similar functions and replace mutually and the technical scheme etc. that formed.
Owing to technique scheme is used, this utility model compared with prior art has the advantage that adopting the seat post assembly that is mutually rotationally connected and seat extension rod to form whole seat post enables seat post to form the seat post of rigidity when vehicle frame launches, and can mutually draw close again folding and make the vehicle frame after folding further reduce to take up room together time folding; Being conciliate the setting of latch mechanism by attached locking device, enable seat post assembly and the Tong Bu folding together and expansion when vehicle frame folding and expansion of seat extension rod, operation is easily, it does not have the step that increase children trolley itself is folding.
Accompanying drawing explanation
Fig. 1 is this utility model children trolley perspective view when being in deployed condition;
Fig. 2 is this utility model children trolley side view when being in deployed condition;
Fig. 3 is this utility model children trolley side view when being in semi-collapsed condition;
Fig. 4 is this utility model children trolley side view when being in folded state;
Fig. 5 is the exploded view between seat post assembly, seat extension rod and front-wheel support;
Fig. 6 is the sectional view at A-A place in Fig. 2;
Fig. 7 is the sectional view that in Fig. 6, B-B is in vehicle frame deployed condition;
Fig. 8 is the sectional view that in Fig. 6, B-B is in vehicle frame semi-collapsed condition;
Fig. 9 is the sectional view that in Fig. 6, B-B is in vehicle frame folding state;
Wherein: 1, front-wheel; 2, trailing wheel; 3, front-wheel support; 4, rear wheel support; 5, push rod; 6, support bar; 7, seat post assembly; 8, seat extension rod; 10, locked groove: 11, dead bolt; 12, compression spring; 13, bearing pin; 14, sliding sleeve; 15, connector; 16, groove; 17, the first cradle head; 18, the second cradle head; 51, upper push-rod; 52, lower push-rod; 71, seat post body; 72, seat post fixture; 73, waist-shaped hole.
Detailed description of the invention
As shown in Figures 1 to 9, a kind of children trolley described in the utility model, including having the vehicle frame of deployed condition and folded state, being arranged on the front-wheel 1 of vehicle frame lower front portion, be arranged on the trailing wheel 2 of vehicle frame lower rear. Rear wheel support 4, push rod 5, support bar 6, seat post assembly 7, seat extension rod 8, frame locking device (not shown) and the attached locking device that described vehicle frame includes front-wheel support 3 that bottom is connected with front-wheel 1, bottom is connected with trailing wheel 2.
Described front-wheel support 3 is rotationally connected with rear wheel support 4, and the upper end of described front-wheel support 3 and the upper end of rear wheel support 4 are crossed to form the first cradle head 17. Described push rod 5 is installed in front-wheel support 3 top, described push rod 5 includes upper push-rod 51 and the lower push-rod 52 being rotationally connected with upper push-rod 51, the lower rotational of described lower push-rod 52 is connected to the first cradle head 17 place, and the top of described lower push-rod 52 and upper push-rod 51 are crossed to form the second cradle head 18.Described support bar 6 is installed between push rod 5 and rear wheel support 4. Described support bar 6 top is connected with upper push-rod 51 lower rotational, and described support bar 6 bottom and rear wheel support 4 are rotationally connected.
Described seat post assembly 7 is installed between front-wheel support 3 and support bar 6. Described seat post assembly 7 includes seat post body 71 and seat post fixture 72. Described seat post body 71 is U-shaped shaft-like, the two ends that described seat post body 71 opens are towards the front of children trolley, described seat post fixture 72 is installed on the end of seat post body 72, described seat extension rod 8 and seat post fixture 72 are rotationally connected, and described front-wheel support 3 is rotationally connected with seat post fixture 72. Described seat post fixture 72 is rotationally connected place lower than the first cradle head 17 with front-wheel support 3.
When vehicle frame is in deployed condition, described support bar 6 is rotationally connected place lower than the second cradle head 18, the end of described support rod body 71 with upper push-rod 51. The rear portion of described seat post body 71 and support bar 6 are rotationally connected. Described support bar 6 and the junction of rear wheel support 4 junction lower than described support bar 6 with seat post body 71.
Described attached locking device is for being locked in vehicle frame deployed condition by seat post assembly 7 and seat extension rod 8. Described attached locking device includes the locked groove 10 being opened on seat extension rod 8, the dead bolt 11 being slidably arranged on seat post assembly 7 and the compression spring 12 being arranged between dead bolt 11 and seat post assembly 7. Described seat post body 71 is the fitting structure of hollow, and described compression spring 12 is installed in seat post body 71, and described dead bolt 11 inserts in seat post body 71 from the end of seat post body 71 and is against on compression spring 12.
Described locked groove 10 is opened in the rear portion of seat extension rod 8, and described locked groove 10 has multiple, the plurality of locked groove 10 be distributed in seat extension rod 8 around the center of rotation of seat post fixture 72 on the circumference in the center of circle.
Described seat post body 71 offers waist-shaped hole 73. Described children trolley also includes solving latch mechanism, described solution latch mechanism includes the bearing pin 13, the sliding sleeve 14 that be rotationally set in bearing pin 13 on and the connector 15 that be installed on front-wheel support 3 on that are connected fixing with dead bolt 11, described bearing pin 13 and sliding sleeve 14 stretch out described waist-shaped hole 73 and expose outside seat post body 71, described front-wheel support 3 is rotationally connected by connector 15 and seat post fixture 72, offering groove 16 on described connector 15, described sliding sleeve 14 is connected with groove 16.
When vehicle frame is in deployed condition, vehicle frame is locked by described frame locking device, described seat extension rod 8 supports vertical along the bearing of trend of seat post assembly 7, and described compression spring 12 promotes dead bolt 11 to snap in through seat post fixture 72 in the locked groove 10 of seat extension rod 8 and seat post assembly 7 and seat extension rod 8 mutually locked. Described bearing pin 13 and sliding sleeve 14 stretch in groove 16, and described sliding sleeve 14 rolls with groove 16 and is connected. When vehicle frame is in folded state, it is outside that described bearing pin 13 and sliding sleeve 14 are positioned at groove 16, and described sliding sleeve 14 is against on connector 15. Dead bolt 11 is pulled in retraction seat post body 71 and locked groove 10 departs from unblock, and described seat extension rod 8 rotates draws close folding with seat post assembly 7.
When the children trolley being in deployed condition is folded, described frame locking device is unlocked, make front-wheel support 3 rotate rear wheel support around the first cradle head 17 by push rod 5 to draw close, connector 15 relative thereto bar fixture 72 under the drive of front-wheel support 3 rotates, sliding sleeve 14 in the groove 16 of connector 15 to groove 16 outer rolling until leaving groove 16 and being against on connector 15.Front-wheel support 3 band follower link 3 rearward movement, connector 15 extrudes sliding sleeve 14 makes sliding sleeve 14 drive dead bolt 11 to compress spring 12 to this internal motion extruding of seat post. Dead bolt 11 separates with the locked groove 10 on seat extension rod 8. Seat extension rod is no longer by the constraint of dead bolt 11, and it rotates down under the effect of self gravitation and then draws close folding to seat post body 11, it is achieved seat post assembly 7 and the seat extension rod 8 synchronous folding in the folding process of vehicle frame. Vehicle frame after folding takes up room and reduces further.
When the children trolley being in folded state is launched, front-wheel support 3 travels forward expansion, described connector 15 relative thereto bar fixture 72 under the drive of front-wheel support 3 rotates, sliding sleeve 14 rolls on connector 15 periphery, changing along with the relative position of groove 16 with sliding sleeve and compressing spring 12 promotes dead bolt 11 under the effect of motion outside seat post body 71, and sliding sleeve 14 rolls in groove 16 from groove 16 edge. Outwards moving seat extension rod 8 makes seat extension rod 8 support vertical along the bearing of trend of seat post assembly, and dead bolt 11 stretches out in the locked groove 10 snapping in seat extension rod 8 and seat extension rod 8 and seat post assembly 7 mutually locked. So far, seat extension rod 8 also launches to support the front end standing in seat post assembly 7 in the expansion process of vehicle frame.
As it has been described above, we are illustrated fully according to objective of the present utility model, but this utility model is not limited to above-described embodiment and implementation. The practitioner of correlative technology field can carry out different changes and enforcement in the scope that technological thought of the present utility model is permitted.
Claims (10)
1. a children trolley, including the vehicle frame with deployed condition and folded state, it is arranged on the front-wheel (1) of vehicle frame lower front portion, it is arranged on the trailing wheel (2) of vehicle frame lower rear, it is characterized in that: described vehicle frame includes the front-wheel support (3) that bottom is connected with front-wheel (1), the rear wheel support (4) that bottom is connected with trailing wheel (2), push rod (5), support bar (6), seat post assembly (7), seat extension rod (8), frame locking device and attached locking device, described front-wheel support (3) and rear wheel support (4) are rotationally connected, described push rod (5) is installed in front-wheel support (3) top, described support bar (6) is installed between push rod (5) and rear wheel support (4), described seat post assembly (7) is installed between front-wheel support (3) and support bar (6), described seat extension rod (8) and seat post assembly (7) are rotationally connected, described attached locking device is for being locked in vehicle frame deployed condition by seat post assembly (7) and seat extension rod (8), described seat extension rod (8) is installed in seat post assembly (7) front end, when vehicle frame is in deployed condition, vehicle frame is locked by described frame locking device, described seat extension rod (8) supports vertical along the bearing of trend of seat post assembly (7), seat post assembly (7) and seat extension rod (8) are locked by described attached locking device mutually, when described vehicle frame folding, described frame locking device unlocks, described front-wheel support (3) rotates the described attached locking device of drive relative to seat bar assembly (7) and unlocks, and described push rod (5), rear wheel support (4), front-wheel support (3), seat extension rod (8) and seat post assembly (7) mutually rotate and draw close folding.
2. children trolley according to claim 1, it is characterized in that: described front-wheel support (3) is fixed with groove (16), described seat post assembly (7) is provided with bearing pin (13), and when described vehicle frame is in the deployed, described bearing pin (13) is positioned at groove (16);When described vehicle frame is in folding position, described bearing pin (13) moves to groove (16) outward along the inwall of groove (16).
3. children trolley according to claim 1, it is characterized in that: described seat post assembly (7) includes seat post body (71) and is installed on the seat post fixture (72) of seat post body (71) end, described seat extension rod (8) and seat post fixture (72) are rotationally connected, described front-wheel support (3) and seat post fixture (72) are rotationally connected, and described support bar (6) and seat post body (71) are rotationally connected.
4. children trolley according to claim 3, it is characterized in that: described attached locking device includes the locked groove (10) being opened on seat extension rod (8), the dead bolt (11) being slidably arranged on seat post assembly (7) and the compression spring (12) being arranged between dead bolt (11) and seat post assembly (7), when vehicle frame launches, described compression spring (12) promotes dead bolt (11) to snap in locked groove (10) and seat post assembly (7) and seat extension rod (8) is mutually locked; Working as vehicle frame folding, pull dead bolt (11) to depart from locked groove (10) and unlock, described seat extension rod (8) rotates draws close folding with seat post assembly (7).
5. children trolley according to claim 4, it is characterized in that: the fitting structure that described seat post body (71) is hollow, described compression spring (12) is installed in seat post body (71), described dead bolt (11) inserts in seat post body (71) from the end of seat post body (71) and is against in compression spring (12), when vehicle frame launches, described dead bolt (11) snaps in the locked groove (10) of seat extension rod (8) through seat post fixture (72); Work as vehicle frame folding, pull in dead bolt (11) retraction seat post body (71) and depart from unblock with locked groove (10).
6. children trolley according to claim 4, it is characterized in that: described locked groove (10) is opened in the rear portion of seat extension rod (8), described locked groove (10) has multiple, the plurality of locked groove (10) be distributed in seat extension rod (8) around the center of rotation of seat post fixture (72) on the circumference in the center of circle.
7. children trolley according to claim 4, it is characterized in that: described seat post body (71) offers waist-shaped hole (73), described children trolley also includes solving latch mechanism, described solution latch mechanism includes the bearing pin (13) that be connected fixing with dead bolt (11), it is set in the sliding sleeve (14) on bearing pin (13) and the connector (15) being installed on front-wheel support (3) rotationally, described bearing pin (13) and sliding sleeve (14) stretch out described waist-shaped hole (73) and expose at seat post body (71) outward, described front-wheel support (3) is rotationally connected by connector (15) and seat post fixture (72), described connector (15) offers groove (16), described sliding sleeve (14) and groove (16) are connected, when vehicle frame is in deployed condition, described bearing pin (13) and sliding sleeve (14) stretch in groove (16), described sliding sleeve (14) rolls with groove (16) and is connected, when vehicle frame is in folded state, it is outside that described bearing pin (13) and sliding sleeve (14) are positioned at groove (16), described sliding sleeve (14) is against on connector (15), during folding stand, front-wheel support (3) rotates and makes connector (15) drive sliding sleeve (14) to roll until sliding sleeve (14) leaves groove (16) groove (16) in, and described connector (15) extrudes sliding sleeve (14) drive dead bolt (11) and separates with locked groove (10) to seat post body (71) contract and unlocked by attached locking device.
8. children trolley according to claim 1, it is characterized in that: the upper end of the upper end of described front-wheel support (3) and rear wheel support (4) is crossed to form the first cradle head (17), and described seat post assembly (7) is rotationally connected place lower than the first cradle head (17) with front-wheel support (3).
9. children trolley according to claim 8, it is characterized in that: described push rod (5) includes upper push-rod (51) and the lower push-rod (52) being rotationally connected with upper push-rod (51), the lower rotational of described lower push-rod (52) is connected to the first cradle head (17) place, the top of described lower push-rod (52) and upper push-rod (51) are crossed to form the second cradle head (18), described support bar (6) top is connected with upper push-rod (51) lower rotational, and described support bar (6) bottom and rear wheel support (4) are rotationally connected.
10. children trolley according to claim 9, it is characterized in that: when vehicle frame is in deployed condition, described support bar (6) and upper push-rod (51) be rotationally connected place lower than the second cradle head (18), the junction of described support bar (6) and rear wheel support (4) is lower than the junction of described support bar (6) Yu seat post assembly (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521029401.6U CN205292749U (en) | 2015-12-11 | 2015-12-11 | Child stroller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521029401.6U CN205292749U (en) | 2015-12-11 | 2015-12-11 | Child stroller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205292749U true CN205292749U (en) | 2016-06-08 |
Family
ID=56430501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521029401.6U Active CN205292749U (en) | 2015-12-11 | 2015-12-11 | Child stroller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205292749U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109606449A (en) * | 2018-11-21 | 2019-04-12 | 好孩子儿童用品有限公司 | Children trolley |
| CN110481624A (en) * | 2019-07-29 | 2019-11-22 | 好孩子儿童用品有限公司 | A kind of children trolley |
| CN114889507A (en) * | 2022-04-20 | 2022-08-12 | 好孩子儿童用品有限公司 | Child safety seat |
-
2015
- 2015-12-11 CN CN201521029401.6U patent/CN205292749U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109606449A (en) * | 2018-11-21 | 2019-04-12 | 好孩子儿童用品有限公司 | Children trolley |
| CN110481624A (en) * | 2019-07-29 | 2019-11-22 | 好孩子儿童用品有限公司 | A kind of children trolley |
| CN114889507A (en) * | 2022-04-20 | 2022-08-12 | 好孩子儿童用品有限公司 | Child safety seat |
| CN114889507B (en) * | 2022-04-20 | 2023-03-28 | 好孩子儿童用品有限公司 | Child safety seat |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |