CN104494677A - Joint structure of foldable baby stroller - Google Patents
Joint structure of foldable baby stroller Download PDFInfo
- Publication number
- CN104494677A CN104494677A CN201410640614.6A CN201410640614A CN104494677A CN 104494677 A CN104494677 A CN 104494677A CN 201410640614 A CN201410640614 A CN 201410640614A CN 104494677 A CN104494677 A CN 104494677A
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- articulation
- ball
- intrinsic
- locations
- counterbore
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- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The invention discloses a joint structure of a foldable baby stroller. The joint structure comprises inner joints and outer joints rotationally connected, wherein positioning pieces are arranged between the inner joints and the outer joints, and are fixed on the inner joints; slide blocks capable of sliding corresponding to the positioning pieces are arranged between the positioning pieces and the inner joints; pressure springs are arranged between the slide blocks and the outer joints; through holes are formed in the positioning pieces; balls are mounted in the through holes; the thicknesses of the through hole parts of the positioning pieces are smaller than the diameters of the balls; first side surfaces, near the balls, of the slide blocks are provided with first counter bores corresponding to the balls; second side surfaces, near the balls, of the outer joints are provided with second counter bores corresponding to the balls; the sum of the depths of the first counter bores and the thicknesses of the through hole parts of the positioning pieces is greater than the diameters of the balls; the sum of the depths of the second counter bores and the thicknesses of the through hole parts of the positioning pieces is greater than the diameters of the balls; and operation mechanisms for driving the slide blocks to slide are arranged on the inner joints. The joint structure realizes the locking or unlocking of the outer joints through the movement of the balls, so that the structure is simple, the operation is convenient, and the cost is lower.
Description
Technical field
the present invention relates to a kind of Foldable baby stroller, particularly relate to a kind of articulation structure of Foldable baby stroller.
Background technology
doll carriage has been that a kind of infant goes on a journey indispensable instrument, and user, outside firm, the safe basic demand pursuing doll carriage, more and more payes attention to the features such as the volume of doll carriage is little, light, collapsible.Possess the doll carriage of above feature, can tie up easily in holding vehicles boot, on the bus or train of trip, also can reduce its volume taken, thus greatly facilitate trip and carry.
the articulation structure of existing doll carriage comprises the intrinsic articulation being arranged at a chassis assembly end, the extrinsic articulation being arranged at another chassis assembly end, described inside and outside articulation connects, in order to realize the expansion of vehicle frame, lockout mechanism is provided with between inside and outside joint, vehicle frame utilizes lockout mechanism to lock inside and outside joint when launching, and vehicle frame is generally also provided with the release mechanism for removing this lockout mechanism.Existing lockout mechanism complex structure, rod member is more, easily produces interference time folding.
Summary of the invention
the present invention seeks to: the articulation structure providing a kind of Foldable baby stroller, to the locking of extrinsic articulation whether its movement by ball realizes, and structure is simple, easy to operate, and cost is lower.
technical scheme of the present invention is: a kind of articulation structure of Foldable baby stroller, comprise the intrinsic articulation and extrinsic articulation that are rotationally connected, locations is provided with between described intrinsic articulation and extrinsic articulation, this locations is installed on intrinsic articulation, be provided with between locations and intrinsic articulation can relative positioning part slide slide block, stage clip is provided with between described slide block and extrinsic articulation, through hole is provided with in described locations, ball is equiped with in through hole, the thickness of described locations throughhole portions is less than the diameter of ball, described sliding shoe is provided with first counterbore corresponding with ball near the first side of ball, described extrinsic articulation is provided with second counterbore corresponding with ball near the second side of ball, the degree of depth of described first counterbore and the thickness sum of locations throughhole portions are greater than ball diameter, the degree of depth of described second counterbore and the thickness sum of locations throughhole portions are greater than ball diameter, described intrinsic articulation is provided with the operating mechanism for driving skid, during vehicle frame folding, extrinsic articulation rotates relative to intrinsic articulation, second counterbore departs from ball and its second side and ball engagement make to move up in ball the first counterbore of slide block, when vehicle frame launches, skid is driven by operating mechanism, first counterbore of slide block departs from ball and its first side and ball engagement make to move up into outside ball the second counterbore of extrinsic articulation, and then the locking realized extrinsic articulation.
further, described locations comprises plate-like portion, the both sides of plate-like portion have been bent to form connecting arm, described locations is connected with the draw-in groove clamping inside intrinsic articulation by connecting arm, described through hole has several and is arranged on described plate-like portion, and described slide block is arranged at plate-like portion, encloses in the slideway of formation between both sides connecting arm and intrinsic articulation.
one of concrete technical scheme of described operating mechanism: described operating mechanism comprises the handle be arranged on the corresponding side stand of intrinsic articulation and the traction lock being driven movement by handle, described traction lock stretches into intrinsic articulation away from the one end of shaking hands and slide block is connected and fixed.
the concrete technical scheme two of described operating mechanism: described operating mechanism is to arrange on intrinsic articulation and can the unlock button that moves radially of intrinsic articulation relatively, and one end of described unlock button is stretched into intrinsic articulation and is connected with slide block, and the other end stretches out intrinsic articulation and forms operating side.
advantage of the present invention is: to the locking of extrinsic articulation whether the present invention is realized by the movement of ball, and structure is simple, easy to operate, and cost is lower.
Accompanying drawing explanation
below in conjunction with drawings and Examples, the invention will be further described:
fig. 1 is the package assembly schematic diagram in the present invention direction;
fig. 2 is the package assembly schematic diagram of other direction of the present invention;
fig. 3 is the cross section structure schematic diagram in the present invention.
wherein: 1 intrinsic articulation;
2 extrinsic articulations; 2-1 second side; 2-2 second counterbore;
3 locationss; 3-1 through hole; 3-2 plate-like portion; 3-3 connecting arm;
4 slide blocks; 4-1 first side; 4-2 first counterbore;
5 stage clips;
6 balls;
7 operating mechanisms; 7-1 shakes hands; 7-2 traction lock;
8 slideways.
Detailed description of the invention
embodiment: as shown in Figure 1 to Figure 3, a kind of articulation structure of Foldable baby stroller, comprise the intrinsic articulation 1 and extrinsic articulation 2 that are rotationally connected, locations 3 is provided with between described intrinsic articulation 1 and extrinsic articulation 2, this locations 3 is installed on intrinsic articulation 1, being provided with between locations 3 and intrinsic articulation 1 can the slide block 4 that slides of relative positioning part 3, stage clip 5 is provided with between described slide block 4 and extrinsic articulation 2, through hole 3-1 is provided with in described locations 3, ball 6 is equiped with in through hole, the thickness of described locations 3 throughhole portions is less than the diameter of ball 6, described sliding shoe 4 is provided with the first counterbore 4-2 corresponding with ball 6 near the first side 4-1 of ball 6, described extrinsic articulation 2 is provided with the second counterbore 2-2 corresponding with ball 6 near the second side 2-1 of ball 6, the degree of depth of described first counterbore 4-2 and the thickness sum of locations 3 throughhole portions are greater than ball 6 diameter, the degree of depth of described second counterbore 2-2 and the thickness sum of locations 3 throughhole portions are greater than ball 6 diameter, described intrinsic articulation 1 is provided with the operating mechanism 7 for sliding with movable slider 4.
in the present embodiment, described locations 3 comprises plate-like portion 3-2, the both sides of plate-like portion 3-2 have been bent to form connecting arm 3-3, described locations 3 is connected with the draw-in groove clamping inside intrinsic articulation 1 by connecting arm 3-3, described through hole 3-1 has several and is arranged on described plate-like portion 3-2, and described slide block 4 is arranged at plate-like portion 3-2, encloses in the slideway 8 of formation between both sides connecting arm 3-3 and intrinsic articulation 1.
described operating mechanism 7 can be multiple conventional structure, as as described in operating mechanism 7 can comprise the traction lock 7-2 being arranged on handle 7-1 on the corresponding side stand of intrinsic articulation and being driven movement by handle 7-1, described traction lock 7-2 stretches into intrinsic articulation 1 away from one end of handle 7-1 and is connected and fixed with slide block 4, as shown in the figure.Described operating mechanism 7 can also for arrange on intrinsic articulation 1 and can the unlock button that moves radially of intrinsic articulation 1 relatively, and one end of described unlock button is stretched into intrinsic articulation 1 and is connected with slide block 4, and the other end stretches out intrinsic articulation 1 and forms operating side.
during vehicle frame folding, extrinsic articulation 2 rotates relative to intrinsic articulation 1, second counterbore 2-2 departs from ball 6 and its second side 2-1 coordinates the first counterbore 4-2 making to move up in ball 6 slide block 4 with ball 6, when vehicle frame launches, movable slider 4 is with to slide by operating mechanism 7, first counterbore 4-2 of slide block 4 departs from ball 6 and its first side 4-1 coordinates the second counterbore 2-2 making to move up into outside ball 6 extrinsic articulation 2 with ball 6, and then realizes the locking to extrinsic articulation 2.To the locking of extrinsic articulation 2 whether the present invention is realized by the movement of ball 6, and structure is simple, easy to operate, and cost is lower.
below be only embody rule example of the present invention, protection scope of the present invention is not constituted any limitation.In addition to the implementation, the present invention can also have other embodiment.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the present invention's scope required for protection.
Claims (4)
1. the articulation structure of a Foldable baby stroller, comprise the intrinsic articulation (1) and extrinsic articulation (2) that are rotationally connected, it is characterized in that: between described intrinsic articulation (1) and extrinsic articulation (2), be provided with locations (3), this locations (3) is installed on intrinsic articulation (1), being provided with between locations (3) and intrinsic articulation (1) can the slide block (4) that slides of relative positioning part (3), stage clip (5) is provided with between described slide block (4) and extrinsic articulation (2), through hole (3-1) is provided with in described locations (3), ball (6) is equiped with in through hole, the thickness of described locations (3) throughhole portions is less than the diameter of ball (6), described sliding shoe (4) is provided with first counterbore (4-2) corresponding with ball (6) near first side (4-1) of ball (6), described extrinsic articulation (2) is provided with second counterbore (2-2) corresponding with ball (6) near second side (2-1) of ball (6), the degree of depth of described first counterbore (4-2) and the thickness sum of locations (3) throughhole portions are greater than ball (6) diameter, the degree of depth of described second counterbore (2-2) and the thickness sum of locations (3) throughhole portions are greater than ball (6) diameter, described intrinsic articulation (1) is provided with the operating mechanism (7) for sliding with movable slider (4), during vehicle frame folding, extrinsic articulation (2) rotates relative to intrinsic articulation (1), second counterbore (2-2) departs from ball (6) and its second side (2-1) coordinates the first counterbore (4-2) making to move up in ball (6) slide block (4) with ball (6), when vehicle frame launches, slided by operating mechanism (7) band movable slider (4), first counterbore (4-2) of slide block (4) departs from ball (6) and its first side (4-1) coordinates the second counterbore (2-2) making to move up into outside ball (6) extrinsic articulation (2) with ball (6), and then the locking realized extrinsic articulation (2).
2. the articulation structure of a kind of Foldable baby stroller according to claim 1, it is characterized in that: described locations (3) comprises plate-like portion (3-2), the both sides of plate-like portion (3-2) have been bent to form connecting arm (3-3), described locations (3) is connected by the draw-in groove clamping of connecting arm (3-3) with intrinsic articulation (1) inner side, described through hole (3-1) has several and is arranged on described plate-like portion (3-2), and described slide block (4) is arranged at plate-like portion (3-2), encloses between both sides connecting arm (3-3) and intrinsic articulation (1) in the slideway (8) of formation.
3. the articulation structure of a kind of Foldable baby stroller according to claim 1 and 2, it is characterized in that: described operating mechanism (7) comprises the traction lock (7-2) being arranged on handle (7-1) on the corresponding side stand of intrinsic articulation and being driven movement by handle (7-1), described traction lock (7-2) stretches into intrinsic articulation (1) away from one end of handle (7-1) and slide block (4) is connected and fixed.
4. the articulation structure of a kind of Foldable baby stroller according to claim 1 and 2, it is characterized in that: described operating mechanism (7) is upper and can the unlock button that moves radially of intrinsic articulation (1) relatively for arranging intrinsic articulation (1), one end of described unlock button is stretched into intrinsic articulation (1) and is connected with slide block (4), and the other end stretches out intrinsic articulation (1) and forms operating side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410640614.6A CN104494677B (en) | 2014-11-13 | The articulation structure of foldable baby stroller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410640614.6A CN104494677B (en) | 2014-11-13 | The articulation structure of foldable baby stroller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104494677A true CN104494677A (en) | 2015-04-08 |
| CN104494677B CN104494677B (en) | 2017-01-04 |
Family
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107719660A (en) * | 2017-10-25 | 2018-02-23 | 深圳市科卫泰实业发展有限公司 | Unmanned vehicle folds horn |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001088709A (en) * | 1999-09-27 | 2001-04-03 | Combi Corp | Foldable baby carriage |
| US6238125B1 (en) * | 1999-04-28 | 2001-05-29 | Kao-Hsien Lin | Structure of a joint for bracing rods of a baby stroller |
| CN201705796U (en) * | 2010-05-26 | 2011-01-12 | 袁开靖 | Folding joint |
| CN202935408U (en) * | 2012-07-20 | 2013-05-15 | 曾培安 | Connecting device of foldable stroller and stroller using same |
| CN204222934U (en) * | 2014-11-13 | 2015-03-25 | 昆山威凯儿童用品有限公司 | The articulation structure of Foldable baby stroller |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6238125B1 (en) * | 1999-04-28 | 2001-05-29 | Kao-Hsien Lin | Structure of a joint for bracing rods of a baby stroller |
| JP2001088709A (en) * | 1999-09-27 | 2001-04-03 | Combi Corp | Foldable baby carriage |
| CN201705796U (en) * | 2010-05-26 | 2011-01-12 | 袁开靖 | Folding joint |
| CN202935408U (en) * | 2012-07-20 | 2013-05-15 | 曾培安 | Connecting device of foldable stroller and stroller using same |
| CN204222934U (en) * | 2014-11-13 | 2015-03-25 | 昆山威凯儿童用品有限公司 | The articulation structure of Foldable baby stroller |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107719660A (en) * | 2017-10-25 | 2018-02-23 | 深圳市科卫泰实业发展有限公司 | Unmanned vehicle folds horn |
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